Aliphatic polyisocyanate. Jul 28, 2021 · A series of one-component aliphatic polyisocyanates has been synthesized and analyzed before and after the moisture-curing process. Aliphatic isocyanates produce UV stable, colorless and transparent polyurethane systems. Douglas A. , a polyisocyanate having isocyanurate group)) is generally used. Covestro is the leading company that ofers you the complete range of aliphatic and aromatic monomeric diisocyanates (monomers) as well as oligomeric isocyanates (polyisocyanates) and NCO-functional prepolymers. In environments where coatings are exposed to harsh ultraviolet radiation or aggressive chemicals, these crosslinking agents deliver enhanced longevity without compromising aesthetic quality. Sep 15, 2016 · The production, processing, and application of aliphatic isocyanate (NCO)-based thermosets such as polyurethane coatings and adhesives are generally limited by the surprisingly high viscosity of tri- Basonat HB 100 is a solvent-free, aliphatic polyisocyanate for lightfast and weather-resistant two-pack polyurethane coatings. The percentage value in parenthesis indicates the notified Covestro is the leading company that ofers you the complete range of aliphatic and aromatic monomeric diisocyanates (monomers) as well as oligomeric isocyanates (polyisocyanates) and NCO-functional prepolymers. We used an aliphatic polyisocyanate as the main hard segment and polyethylene glycol as the soft segment. BASONAT HI 2000 NG is a solvent-free, low viscosity aliphatic polyisocyanate for lightfast and weather-resistant two-pack polyurethane coatings. Desmodur® ultra N 3790 BA Aliphatic polyisocyanate (high functional HDI trimer). Aliphatic and cycloaliphatic polyisocyanates can be used to produce lightfast, weather-resistant coatings for extremely severe conditions. 05% water, absence of reactive groups such as hydroxyl or amines groups). Innovation Focus: Cost-competitive HDI-based products for Basonat HI 100NG is a solvent -free aliphatic polyisocyanate for lightfast and weather- resistant two-pack polyurethane coatings. We would like to show you a description here but the site won’t allow us. Jul 6, 2018 · Oligomerization reactions of aliphatic diisocyanates, exclusively involving NCO groups are discussed. 6-Hexamethylene Diisocyanic homopolymer LD50 Rat, male/female: > 2,000 mg/kg Method: OECD 402 Test Guidelines studies of a comparable product. [1] They are the product of an isocyanate moiety (nearly always a di-isocyanate) and a suitable blocking agent. As the hardener component for lightfast, rapid-drying polyurethane coating systems. Sinograce Chemical provides Hydrophilic aliphatic polyisocyanate PUC-3100,Water-based adhesives services for a wide range of applications. Each notification may be associated with multiple companies. Visit ChemicalBook To find more aliphatic polyisocyanate (62948-28-1) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. Jun 4, 2025 · 10. Diisocyanates are manufactured for the production of polyurethanes, a class of polymers. They have lower viscosity, and mainly be used for water-based adhesives, water-based printing paste, and water-based coatings. BASONAT HI 100 NG is a solvent-free aliphatic polyisocyanate for lightfast and weather-resistant two-pack polyurethane coatings. Almost 90% of aliphatic isocyanates are used in coatings and 6% in elastomers. WANNATE®HB-75B （solution of 1,6-hexamethylene diisocyanate based biuret polyisocyanate） is an aliphatic biuret polyisocyanate based on hexamethylene diisocyanate (HDI) and dissolved in of 25% n-butyl acetate, colorless to slightly yellowish clear liquid. These are primarily used for high performance, waterborne 2-pack system applications to improve weatherability and UV/chemical resistance. Jun 25, 2019 · TAKENATE™ D-110N by Mitsui Chemicals is an aliphatic polyisocyanate adduct prepolymer. GHS SDS PRECAUTIONARY STATEMENTS P363 Wash contaminated clothing before reuse. Hydrophilic aliphatic polyisocyanate chemical information summary. In fact the diisocyanates are converted by the chemical industry into so-called polyisocyanates , which contain only very small amounts of free diisocyanate monomer, or into Tolonate™ Solvent-based and Solvent-free – Aliphatic Isocyanates Vencorex’s Tolonate ™ aliphatic polyisocyanates offer exceptional durability very good flexibility and extensive possibilities to formulators. C&L Inventory Hexane,1,6-diisocyanato- , homopolymer, polyethylene glycolmono-Me ether-blocked C&L Inventory hydrophilic aliphatic polyisocyanate C&L Inventory Hydrophilic hexamethylene diisocyanate oligomer C&L Inventory Eventually, the advantages of using polyaspartic esters as the main component of the co-reactant for reaction with an aliphatic polyisocyanate in low to zero volatile organic compound (VOC) coatings were realized. wood, plastic, metal Based on a broad isophorone technology platform Evonik offers VESTANAT® crosslinking solutions that ensure the excellence of coatings. OVEREXPOSURE WELL ABOVE THE PEL MAY RESULT IN BRONCHITIS, BRONCHIAL SPASMS AND PULMONARY EDEMA. Bayhydur® 304 is a hydrophilically modified, aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). HDI-Poly isocyanate biuret is a polyisocyanate based on the widely used aliphatic hexamethylene-1,6-diisocyanate (HDI). Coatings based on aliphatic polyisocyanates, for example, usually need longer drying times than those based on aromatic polyisocyanates. Examples of the coupling agent include silane coupling agents (e. With respect to its composition, the product corresponds to the following sections of the U. Beyond Aliphatic Polyisocyanate (HDI) (SB)Aliphatic Polyisocyanate (HDI) (SB) It exhibits excellent weather and chemical resistance, non-yellowing and physical properties. 1B) Method: OECD Test Guideline 406 Studies of a comparable product. S. ADIs are often reacted to form polyisocyanates, which act as Aliphatic diisocyanates (ADI) are specialty intermediate chemicals used primarily to make polyurethane (PU) products – durable coatings, adhesives, sealants and elastomers – relied upon by many businesses and consumers worldwide. 06653804 Aliphatic Polyisocyanate Based On Hexamethylene Diisocyanate (HDI) Raw material for coatings, inks, adhesives, sealants, or elastomers in industrial applications Do-It-Yourself Applications Blocked isocyanates are organic compounds that have their isocyanate functionality chemically blocked to control reactivity. VESTANAT® contains aliphatic and cycloaliphatic diisocyanate monomers for light stable PUR resins and elastomers as well as cycloaliphatic polyisocyanates for durable coatings. Organic compounds that contain an isocyanate group are referred to as isocyanates. Aliphatic isocyanates and polyisocyanates are central molecules in the fabrication of polyurethanes, coatings, and adhesives and, due to their excellent mechanical and stability properties, are continuously investigated in advanced applications; Desmodur® N 3600 Aliphatic polyisocyanate (low-viscosity HDI trimer). DXB-75 is a solvent-based aliphatic polyisocyanate blocked crosslinking agent based on HDI to formulate lightfast and weather-stable 1K PU coatings. Aggregated GHS information provided per 26 reports by companies from 2 notifications to the ECHA C&L Inventory. Jul 18, 2025 · WANHUA ALIPHATIC ISOCYANATES are distinguished by their low viscosity and high solid content, making them ideal for both one-component and two-component polyurethane systems in coatings. Abstract: Aliphatic isocyanates and polyisocyanates are central molecules in the fabrication of polyurethanes, coatings, and adhesives and, due to their excellent mechanical and stability Wannate® HTBL-175S Wannate® HTBL-175S is a MEKO blocked aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) and dissolved in 25% solvent naphtha 100, colorless to slightly yellowish clear liquid. Thermally activated aliphatic-grade hardener for 1K polyurethane stoving systems with different unblocking temperatures, easy application, light stability. As crosslinkers of polyurethane coatings, they ensure: Strong growth for polyurethane and its raw materials — MDI, TDI and aliphatic diisocyanates (as well as polyether and polyester polyols) — is driven by several important trends; probably the most important is the drive toward improved energy efficiency and the use of rigid polyurethane foam insulation including laminate boardstock for building roofs and walls; spray rigid polyurethane foam EasaquaTM M & L series are versatile self-emulsifiable aliphatic polyisocyanates, used to prepare crosslinker for high performance two-pack (2K) waterborne polyurethane coatings & adhesives. Polyisocyanate based on the widely used aliphatic hexamethylene-1,6-diisocyanate (HDI). ADIs are typically not sold directly for consumer use. You can also browse global suppliers,vendor,prices,Price,manufacturers of aliphatic polyisocyanate (62948-28-1). The isocyanate functional group In organic chemistry, isocyanate is the functional group with the formula R−N=C=O. It is recommended for the formulation of lightfast and weather-resistant two-pack polyurethane coatings. For example, aromatic isocyanates are typically unblocked at lower temperatures than those required to unblock aliphatic isocyanates. Use as the hardener component for flexible, lightfast polyurethane coating systems. This does not influence the cured adhesive process or final properties. DXB-3465 is a solvent-based blocked aliphatic polyisocyanate crosslinking agents based on Isophorone diisocyanate. It can be used as a crosslinker for continuous ph Aliphatic Polyisocyanate (HDI) (WB) - Buy Isocyanate Resin at best price of ₹ 750/kg by Cosmos Plastics & Chemicals. FDA';s guidlines "Title Oct 28, 2016 · As the polyisocyanate component, aliphatic diisocyanates exhibit exceptional light and weathering stability, compared to the easy-yellowing aromatic diisocyanates, and, as a consequence, are principally used in outdoor or high-quality formulations. Jul 1, 2021 · Herein, we fabricated an aliphatic water-soluble polyurethane (WPU) to be used for gunpowder storage, which allows for easy separation of the matrix (WPU) from the gunpowder by solubilizing the WPU with water. It is 100% solid product (solvent-free) and well adapted for low VOC formulation. The 6 Three most common aliphatic polyisocyanates Three different polyisocyanates are generated from hexamethylene diisocyanate monomer as shown. These products are compatible with various polyols and polyacrylates and are suited for applications requiring lightfastness and high chemical resistance. An aliphatic polyisocyanate prepolymer obtained by reacting an aliphatic isocyanurate group-containing polyisocyanate with a short-chain diol, having a urethane bond content of 3. It is used as the hardener component to formulate lightfast, one-component (1K) polyurethane coatings. However, the solutions formed must be tested for their storage stability. Acts as a crosslinking agent. They are usually Mar 16, 2020 · A proper selection of the “blocking agent” determines the reactivity, i. Your Tri-iso Technical Sales Representative is available to assist you in the selection of the appropriate waterbased blocked isocyanate that will provide the specific properties you are trying to obtain. Vencorex’s Tolonate™ aliphatic polyisocyanates offer exceptional durability very good flexibility and extensive possibilities to formulators. Water-dispersible polyisocyanate Water-Based Poly isocyanate Water-dispersible polyisocyanate based on the widely used aliphatic hexamethylene-1,6-diisocyanate (HDI). As the hardener component for high-quality aqueous two-component polyurethane systems and as an additive to improve the property profile of aqueous coating and adhesive systems. BASONAT hardeners are used in combination with binders containing hydroxyl groups for crosslinkers in two-component PUR coatings. It is recommended for applications such as: interior/exterior general industrial metal coating applications, interior/exterior plastic component coating May 4, 2023 · aliphatic polyisocyanate (CAS 62948-28-1) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight Innovation is key to satisfying these demands and creating added value for customers, society and the environment by turning targets into realities. BASONAT polyisocyanates are aliphatic crosslinkers for high-performance coatings systems. Feb 18, 2024 · Explore two types of aliphatic polyisocyanate, including HDI biuret and HDI trimer. Aromatic and Aliphatic Isocyanates are two primary types used in the formulation of polyurethane coatings. Most members of the diisocyanate category have not been tested for carcinogenic potential. Wicks and Dr Philip E, Yeske. Users of aliphatic isocyanates must be familiar with the potential hazards and have the knowledge needed to safely handle and use these products. Oct 13, 2021 · The hydrophilic modified aliphatic polyisocyanate is easier to disperse in water, and the polyisocyanate can be more uniformly dispersed by mechanical mixing. The present invention relates to a water dispersible polyisocyanate composition comprising (a) an aliphatic polyisocyanate or a mixture of aliphatic polyisocyanates or a mixture of aliphatic polyisocyanates with other polyisocyanates; and (b) a reaction product of component (a) with a component selected from the group consisting of: (ii) a polyether diol or triol or a mixture thereof wherein a ChemicalBook 致力于为化学行业用户提供aliphatic polyisocyanate的性质、化学式、分子式、比重、密度,同时也包括aliphatic polyisocyanate的沸点、熔点、MSDS、用途、作用、毒性、价格、生产厂家、用途、上游原料、下游产品等信息。 Jun 26, 2025 · They are used in industrial, automotive, and protective coatings. CONTAINS ISOCYANATES. Product highlights · Outstanding weather and chemical resistance · Excellent color stability · Remarkable hardness/flexibility for demand applications · Low VOC formulation The data are consistent with studies demonstrating GSH as a primary reactant in vivo for aliphatic HDI (which serves as the building block for the aliphatic polyisocyanates studied herein), methyl isocyanate (cause of the “Bhopal” chemical disaster), and 2-chloroethyl-isocycanate (a metabolic bi-product of an experimental cancer drug). Acts as a hardener for two-component polyurethane systems. , a silane coupling agent having a mercapto group). It may also be a polyurethane prepolymer that is NCO terminated but this functionality has also been chemically reacted with a blocking agent. Rather, they are sold primarily to industrial customers who use them to make resins used in BASONAT ® HB 175 MP/X BASONAT HB 175 MP/X is an aliphatic polyisocyanate for lightfast and weather-resistant two pack polyurethane coatings. The synthesis The present invention relates to blocked polyisocyanates which are the reaction product of polyisocyanate resins prepared from HDI and containing iminooxadiazinedione groups in an amount of at least 20 mol %, based on the total moles of iminooxadiazinedione and isocyanurate groups, with alcohols of formula (I) ROH (I), wherein R represents aliphatic, straight chain or branched, optionally Doxu offers a full range of polyisocyanate crosslinkers as raw materials for polyurethane coatings or adhesives. 05907942 Aliphatic Polyisocyanate Based On Hexamethylene Diisocyanate (HDI) Raw material for coatings, inks, adhesives, sealants, or elastomers in industrial applications Do-It-Yourself Applications, Medical applications WD-9100 is non-ionic hydrophilic aliphatic polyisocyanates crosslinkers based on HDI. Inquiry now! Storage stability of paint using MF-K60B Formulation:・Polyol : Acrylic Polyol A801 (manufactured and sold by DIC OHV = 100 mgKOH/g Resin ) ・Blocked Polyisocyanate : DURANATETM MF-K60B ・NCO / OH = 1. Purpose The American Chemistry Council’s Aliphatic Diisocyanates Panel prepared this guidance to provide information about important health and safety considerations when working with aliphatic diisocyanates (ADIs). Tri-iso distributes waterbased aliphatic blocked isocyanates based on HDI Trimer and H12MDI. Jul 15, 2022 · We hypothesized aliphatic polyisocyanates would readily react with glutathione under physiologic conditions and the products could be identified using liquid chromatography (LC) coupled-mass Most members of the diisocyanate category have not been tested for carcinogenic potential. 8 or more. Tolonate™ X FLO 100 is a partially biobased, very low-viscous, aliphatic HDI-based polymer. Compatibility Generally speaking, Desmodur ® ultra N 3300 can be mixed with the following products: aliphatic polyisocyanates such as Desmodur ® N 100, N 75, N 3200, N 3400, ultra N 3600 and Desmodur ® Z 4470; aromatic polyisocyanates such as Desmodur ® L/ultra L, HL and IL/ultra IL; polyester polyols such as Desmophen ® 670 and polyacrylates. The findings and their potential implications with regard to protection against isocyanate exposure are discussed. Used for gravure and screen printing ink applications, metal and plastics coating such as electrical appliances, cellular phone, NBPC & DSC and automotive interior parts. Allurethane supplies a wide range of Aliphatic isocyanates that enable formulators to produce high quality polyurethanes and Polyurethane dispersions (PUDs). Due to their specific toxicological profile the aliphatic diisocyanate monomers are typically not used as such in the final application. Bello D, Ibrahim K, Sparer J, Stowe M, Redlich C, Liu Y. Only PU grade solvents can be used (max. The reactivity and selectivity of these reactions are dependent on chain length, reaction conditions, and the catalyst employed. Bayhydur® ultra 3100 Hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). Aliphatic isocyanates are used to formulate polyurethanes for a variety of coating, elastomer, adhesive and sealant applications. With the increasing demand for high-performance yet environmentally responsible coatings, low-free monomer and aliphatic isocyanate technologies are gaining traction. Aliphatic diisocyanates monomers are key raw material for aliphatic polyurethanes. The aliphatic isocyanates are important basic materials and components for high-quality protective and decorative coating systems for modern adhesive systems and for specialties like elastomers. It is an approximately 90% solids solution in a 1:1 blend of n-butyl acetate and Solvesso 100. HDX-190 is an aliphatic polyisocyanate based on HDI Trimer to to formulate lightfast two-component polyurethane coatings. The biuret contains one partially hydrolyzed HDI. 0 Storage condition : 40°C under Nitrogen Measurement of Viscosity : Ford Cup #4 at 20°C Covestro is the leading company that ofers you the complete range of aliphatic and aromatic monomeric diisocyanates (monomers) as well as oligomeric isocyanates (polyisocyanates) and NCO-functional prepolymers. Also find product list from verified suppliers with contact number | ID: 24213200712 Polyisocyanates or NCO functional prepolymers used in formulation determine the specific properties of moisture-curing 1K coatings. Information may vary between notifications depending on impurities, additives, and other factors. the splitting temperature of the blocked polyisocyanate and therefore the curing conditions of such an aliphatic, 1-component thermosetting polyurethane system. The resulting reactive polymers are monodisperse Control of the Reactions Between Polyaspartic Esters and Aliphatic Polyisocyanates Bayer PolymersfCONTROL OF THE REACTION BETWEEN POLYASPARTIC ESTERS AND ALIPHATIC POLYISOCYANATES Dr. Mixing ratio of DURANATETM TLA-100 with polyols is based on NCO/OH equivalent ratio of 1/1. Aliphatic diisocyanates (ADI) are specialty intermediate chemicals used primarily to make durable coatings, adhesives, sealants, elastomers, and textiles, among other products. At Covestro, our long-standing expertise in aliphatic and aromatic polyisocyanates and more sustainable resins goes hand-in-hand with our purpose of constantly pushing boundaries in the search for future-oriented Sensitisation hydrophilic aliphatic polyisocyanate Skin sensitisation according to Magnusson/Kligmann (maximizing test): Species: Guinea pig Result: positive Classification: May cause sensitization by skin contact (Sub cat. Click here to request a quote. Crosslinkers Substrate e. The company supplies coating formulators across China and Southeast Asia. They are based on e. Hydrophilic aliphatic polyisocyanate based on HDI LD50 Vole: > = 5,000 mg/kg Method: OECD Protocol 423 toxicological analysis with a comparable product : 1. Aliphatic Polyisocyanate chemical information summary. Information and reports on Aliphatic Polyisocyanate Imports Under Sub Chapter 3909 along with detailed shipment data, import price, export price, monthly trends, major exporting countries countries, major importing countries and major ports. Innovation is key to satisfying these demands and creating added value for customers, society and the environment by turning targets into realities. Apr 8, 2020 · Bayhydur® XP 2655 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). LC-MS and LC-MS/MS are used to characterize reaction products generated under physiologic conditions and model their chemical structures. ACUTE OR 81892882 Aliphatic Polyisocyanate Raw material for coatings, inks, adhesives, sealants, or elastomers in industrial applications Do-It-Yourself Applications, Medical applications. HDI-based aliphatic polyisocyanates for non-yellowing polyurethane coatings with excellent weather resistance and physical properties. Used in automotive, aerospace, and industrial topcoats. 00072125 Aliphatic Polyisocyanate Prepolymer based on HDI Raw material for coatings, inks, adhesives, sealants, or elastomers in industrial applications Do-It-Yourself Applications, Medical applications Jul 15, 2022 · The present investigation explores the reactivity of GSH with aliphatic polyisocyanates most commonly used in industry today. As the polyisocyanate, an aliphatic or alicyclic polyisocyanate or a derivative thereof (for example, 1,6-diisocyanatohexane or a derivative derived therefrom (e. Abstract In this review we aim to provide an introductory guide to blocked isocyanates, through discussion on different examples of blocking groups, along with experimental considerations for their application. Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in HDX-100 is an aliphatic polyisocyanate curing agents/ PU hardener based on HDI Trimer to formulate lightfast and durable two-component polyurethane coatings. Available information does not provide evidence that Polyisocyanates might either be mutagenic, carcinogenic or toxic to reproduction. Isocyanate monomers are available in aromatic and aliphatic variants. Aliphatic polyisocyanate has emerged as a cornerstone of high-performance industrial formulations, prized for its unique combination of durability, weather resistance, and chemical stability. These are primarily used for high performance coatings applications to improve weatherability and UV/chemical resistance. This allows formulators to create Desmodur® ultra DN Hydrophilic aliphatic polyisocyanate based on hexamethyliisocyanat (HDI). [9] The rate of reaction of polyaspartic esters can be manipulated, thus extending the pot life and controlling the cure rate of aliphatic coatings. 1,5-Naphthylene diisocyanate (NDI) is prepared by a similar route to TDI, starting from Skin Exposure to Aliphatic Polyisocyanates in the Auto Body Repair and Refinishing Industry: III. An organic compound with two isocyanate groups is known as a diisocyanate. The aliphatic polyisocyanate prepolymer chemistry has key roles in enabling alternative energy advancements—some of the many technologies they enable include use as sealants in LED lighting and solar panel assemblies, and as finish coatings for wind turbine blades. With its outstanding non-yellowing, chemical resistance and mechanical properties, polyurethane coatings based on HDI-based aliphatic isocyanate hardener provide long-term protection for the substrate in the demanding weather BAYHYDUR ultra 2655 86606909 Hydrophilic Aliphatic Polyisocyanate based on Hexamethylene Diisocyanate Raw material for coatings, inks, adhesives, sealants, or elastomers in industrial applications Do-It-Yourself Applications, Medical applications Apr 19, 2022 · Aliphatic isocyanates and polyisocyanates are central molecules in the fabrication of polyurethanes, coatings, and adhesives and, due to their excellent mechanical and stability properties, are continuously investigated in advanced applications; however, despite the growing interest in isocyanate-based systems, atomistic simulations on them have been limited by the lack of accurate BASONAT HB 100 is a solvent-free, aliphatic polyisocyanate for lightfast and weather-resistant two-pack polyurethane coatings. The potential to experience health effects associated with overexposure to aliphatic isocyanates depends on the exposure HDI-based aliphatic polyisocyanates are used to formulate lightfast 2K polyurethane coating or adhesive systems that need to be exposed to the outdoor environment. This paper provides additional information to what is contained in your supplier’s Safety Data Sheets (SDS), which are a main source of information for handling ADIs Nov 7, 2017 · The raw materials used in this study (polyisocyanates and polyaspartic resins) are described in Table 1 and Table 2 respectively. ‘Coatings and Colorants Division, Bayer Corporation 100 Bayer Road, Pittsburgh, PA 15205-9741 Presented at the Water-Borne & Higher Solids and Powder Coatings Symposium Water-dispersible Polyisocyanate Crosslinker The crosslinkers can be thinned or dispersed in water, and mainly crosslinks the waterbased resins at room temperature or high temperature baking conditions. The 6 BASONAT ® HI 3100 Aliphatic Polyisocyanate BASONAT HI 3100 is a solvent-free aliphatic polyisocyanate for low VOC two-pack polyurethane coatings. This water-dispersible polyisocyanate has become the main crosslinking agent of waterborne polyurethane and is used as the room temperature crosslinking component of two-component An aliphatic polyisocyanate prepolymer obtained by reacting an aliphatic isocyanurate group-containing polyisocyanate with a short-chain diol, having a urethane bond content of 3. Blocked isocyanates are typically manufactured from hydrogen-containing compounds such as phenol, ethyl acetoacetate and ε -caprolactam. It is primarily used as the crosslinker for aqueous polyol binders (Bayhydrol). Suitable for interior Apr 22, 2025 · Aliphatic Polyisocyanates – UV Stability, Clear Coat Brilliance • TERACURE® N-1, N-32, N-75: Biuret-based hardeners derived from Hexamethylene Diisocyanate (HDI), offering excellent balance of pot life, hardness, and film clarity. Our comprehensive range of Desmodur® polyisocyanates for flexible and rigid foams, binders, integral skin foams, composites, solventborne and high solids polyurethane (PU) coatings, adhesives and sealants offers tremendous formulating freedom. ADIs are often reacted to form polyisocyanates, which act as building blocks to form color-stable and durable polyurethane coatings, sealants, adhesives and elastomers. LONG-TERM EXPOSURE TO ISOCYANATES HAS BEEN REPORTED TO CAUSE LUNG DAMAGE, INCLUDING REDUCED LUNG FUNCTION WHICH MAY BE PERMANENT. Bayhydur® water-dispersible aliphatic hydrophilically modified polyisocyanate crosslinkers from Covestro are extremely versatile. ALIPA represent the aliphatic isocyanate industry producing a range of intermediate chemicals which are used in a wide variety of industrial applications. PUs based on Desmodur® are used in upholstery, mattresses, car seats, thermal insulation (buildings, refrigeration), wheels, rollers and dashboards Substance names and other identifiers Expand all Collapse all IUPAC names Aliphatic Polyisocyanate C&L Inventory aliphatic polyisocyanate C&L Inventory Jul 15, 2021 · Marc Hirsch explains the chemistry behind how polyisocyanates and polyols react to form polyurethanes with excellent durability. Slow curing of aliphatic polyisocyanate paints in automotive refinishing: a potential source for skin exposure. Aromatic polyisocyanates are of limited suitability for exterior applications and react more quickly than aliphatic polyisocyanates. It is an approximately 75% solids solution in a 1:1 blend of 1-methoxy-2-propyl acetate and xylene. While both serve as key ingredients, their chemical structures and resulting properties differ significantly, impacting their suitability for various applications. ocus on aliphatic polyisocyanate crosslinkers that are light-stable. Though the aromatic diisocyanates tested positive and the one aliphatic diisocyanate tested negative in one species, it is premature to make any generalizations about the carcinogenic potential of aromatic versus aliphatic diisocyanates. Almost half of the polyurethane coatings that use aliphatic isocyanates are automotive related. A Personal Exposure Algorithm Basonat® HI 190 B/S Technical DataSheet | Supplied by BASF Aliphatic polyisocyanate based on isocyanurate-modified hexamethylene diisocyanate (HDI). Basonat HB 175 MP/X is an aliphatic polyisocyanate for lightfast and weather-resistant two-pack polyurethane coatings. HDX-175MPX is an aliphatic polyisocyanate PU hardener based on HDI biuret to formulate lightfast and weather-stable two-component polyurethane coatings. Typical unblock temperatures are 90-200 °C, depending on the isocyanate structure and the blocking agent [34]. The review brings together updated examples of functionalities used and places specific emphasis on the analytical techniques used for the determination of deblocking temperature Producers of cast polyurethane elastomers turn to our Desmodur® aliphatic prepolymers when they need to fabricate transparent products that remain crystal clear over time. Jan 1, 2017 · A number of other aliphatic polyisocyanates have been introduced, based on starting materials including 4,4′-diamine dicyclohexyl methane (for H 12MDI), hexamethylene diamine (for HDI), and 1-amino-3-aminomethyl-3,5,5-trimethyl cyclohexane (for IPDI). Apr 15, 2020 · Summary of the Invention [0008] An object of the present invention is to provide aliphatic polyisocyanate prepolymers having excellent compat-ibility with hydroxyl group-containing polyols and a polyurethane resin coating composition which has stable and good coating characteristics resulting from use of the aliphatic polyisocyanate prepolymers. Aliphatic diisocyanate monomers and their homolo gous oligomers are mainly used for lightfast, weath erproof and highquality automotive and industrial coatings. Aliphatic hydrocarbons such as hexane, cyclohexane, methylcyclohexanes and mineral spirits are unsuitable as solvents because of their poor solubility May 15, 2024 · The aliphatic polyisocyanate prepolymer chemistry has key roles in enabling alternative energy advancements—some of the many technologies they enable include use as sealants in LED lighting and solar panel assemblies, and as finish coatings for wind turbine blades. [1][2][page needed][3] [page Jul 11, 2019 · Tolonate™ HDT-LV2 by Vencorex Aliphatic polyisocyanate based on hexamethylene diisocyanate trimer (HDI homo-polymer). These derivatives are pre-polymerized diisocyanate monomers of medium molecular weight still bearing unreacted isocyanate- (NCO-) groups. IPDI isocyanurate trimer, for the Mar 16, 2020 · The most important product group within the family of aliphatic di- and polyisocyanates are the aliphatic polyisocyanates. 0. The Jul 15, 2022 · We hypothesized aliphatic polyisocyanates would readily react with glutathione under physiologic conditions and the products could be identified using liquid chromatography (LC) coupled-mass spectrometry (MS) and tandem MS/MS. 0% by weight or more based on the weight of the prepolymer and a solubility parameter of 11. TANALINK™ PCI is an aliphatic polyisocyanate dispersion with dimethylpyrazole blocked NCO functional groups which can be used as a crosslinking agent for all types of polymer dispersions to be applied on all types of substrates. Exhibits excellent weather and chemical resistance, non-yellowing and physical properties. It can be served as the hardener/curing agent for water-dispersible two-component polyurethane coating or adhesive systems. The resulting oligomers (“dimers” and “trimers”) sometimes deviate considerably from expectation with respect to the structure and properties. In our study, it was used as a “reactive diluent” in the other conventional biuret or trimer polyisocyanates. e. At Covestro, our long-standing expertise in aliphatic and aromatic polyisocyanates and more sustainable resins goes hand-in-hand with our purpose of constantly pushing boundaries in the search for future-oriented Sep 1, 2016 · Current State and Perspectives of Simulation and Modeling of Aliphatic Isocyanates and Polyisocyanates Article Full-text available Apr 2022 Three most common aliphatic polyisocyanates Three different polyisocyanates are generated from hexamethylene diisocyanate monomer as shown. INHALATION OF ISOCYANATE MISTS OR VAPORS MAY CAUSE RESPIRATORY IRRITATION, BREATHLESSNESS, CHEST DISCOMFORT AND REDUCED PULMONARY FUNCTION. g. Desmodur® ultra DN is a liquid and in aqueous polymer dispersions emulsifiable polyisocyanat. Consequently, aliphatic isocyanates are often used to produce polyurethane systems that will be exposed to the environment and/or have very demanding performance requirements. aliphatic polyisocyanate IUPAC names 1 Print infocard Substance identity Substance identity The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. Doxu Chemical Headquarters: Shanghai, China Key Offering: Aliphatic polyisocyanates, HDI trimers Doxu Chemical has rapidly emerged as a significant Asian producer of polyisocyanate raw materials, specializing in hexamethylene diisocyanate (HDI) derivatives. At last,aliphatic polyisocyanate GHS SDS PRECAUTIONARY STATEMENTS P363 Wash contaminated clothing before reuse. Mar 16, 2020 · Results from animal tests with repeated aerosol exposures indicate that under these conditions the respiratory tract is the primary target of aliphatic Polyisocyanates, other organs are not significantly affected. Occasional turbidity or coagulation is caused by small amounts of process additives. Compared to the traditional polyurethane chemistry, the reactivity between the amine and the aliphatic polyisocyanate in polyaspartic chemistry enables the formulator to forgo using a tin catalyst, and this allows the polyaspartic coating to be applied at higher film thicknesses than the traditional polyurethane coatings. Quick Contact Call Us The following are a few of our most […] Mar 3, 2025 · An introduction to isocyanates in coatings, covering types, properties, reactivity and key formulation considerations for self-leveling urethane systems. jamez ihyz uqmpllouz pbql nihm hnre pvxdnsn wggzq bwic tkeqbm