Desmodur w. Our deep-seated knowledge and onsite expertise .

Desmodur w Nov 11, 2025 · Desmodur W对潮气敏感，因此需储存于完全密封的原装包装桶内，并应置于阴凉干燥处。 如储存在合适条件下，Desmodur W可保持至少6个月的储存稳定性。 作为高品质聚氨酯应用的关键组分，科思创的Desmodur®异氰酸酯因功能丰富而闻名。Desmodur®异氰酸酯与科思创多元醇是生产具有丰富特性的聚氨酯产品的关键组分。 Airborne Desmodur W concentrations greater than the appropriate standard/guideline can occur in inadequately ventilated environments when Desmodur W is sprayed, aerosolized, or heated. that’s where desmodur w, also known as h12mdi (4,4’-dicyclohexylmethane The20% trans,trans-4,4'-diisocyanato dicyclohexylmeth- ane (20% t,t-HMDI, Desmodur W,Mobay Corporation) had Analysis a hydroiyzable chloride content of less than 2ppm and was used without further purification. If crystals do form, they can b melted moderate heat. It is Bis (4-isocyanotocyclohexyl) methane used as a reactive building block for the preparation of chemical products. 2024 SECTION 1: Identification of the substance/mixture and of the company/undertaking -储存于科思创原装密封容器中。-推荐储存温度：0-30℃。- 避免潮气，热和外来物质。一般信息：该产品对潮气敏感，当储存温度高于30℃时会造成颜色和粘度的上升。储存在≤25℃下，易导致结晶并沉于底部。此类结晶在短暂的加温后，是可以熔化的，并不影响该产品的质量。我们建议在40-50℃之间 Respiratory Protection Open transfer of Desmodur® H at room temperature or applications where Desmodur® H, Desmodur® I or Desmodur® W are heated, sprayed or used in poorly ventilated areas typically require the use of respiratory protection. Add in material 4 (Desmodur® W) slowly with agitation and hold the batch at 85°C for 4 hours. It is used as a reactive building block for the preparation of other chemical products such as isocyanate terminated prepolymers and other urethane polymers. Chemical Substance "Desmodur W" Detailed information of the J-GLOBAL is an information service managed by the Japan Science and Technology Agency (hereinafter referred to as "JST"). Product ID:D-233 DESMODUR W MSDS Date:06/26/1991 FSC:8010 NIIN:00F000013 MSDS Number: BBFRF ChemicalBook provide Chemical industry users with Desmodur-W Boiling point Melting point,Desmodur-W Density MSDS Formula Use,If You also need to Desmodur-W Other information,welcome to contact us. For additional information on Work/Hygiene Procedures, Skin Protection, Ventilation and Respiratory Protection Requirements, see Covestro's booklet "Desmodur W Aliphatic Diisocyanate Health and Safety Information. Synonyms: Desmodur W, HMDI, hydrogenated, MDI Chemical name: Methylene bis-(4-cyclohexylisocyanate) Structure: ` (Mixture of several stereoisomers which elute as one major peak) 1. In case you have any questions, please click the "Request information" button below. . 1. DESMODUR W Material number: 05907551 1. Ethan Rayne, Senior Formulation Chemist at ClearVision Polymers Nov 9, 2017 · Effective immediately, Covestro LLC has lifted Force Majeure regarding its ability to supply: • Hexamethylene Diisocyanate (HDI) and its corresponding derivatives • Isophorone Diisocyanate (IPDI) and its corresponding derivatives • H12MDI (Desmodur® W) • Selected pre-polymers • Polyaspartics On August 30th, Covestro LLC declared Force Majeure due to implications stemming from For example, one-component coatings based on aliphatic polyisocyanates (HDI, IPDI, DESMODUR W diisocyanate) generally need longer drying times than those based on aromatic isocyanates (TDI, MDI). ChemicalBook 为您提供Desmodur-W的化学性质，熔点，沸点，密度，分子式，分子量，物理性质，毒性，结构式，海关编码等信息，同时您还可以浏览Desmodur-W产品的价格，供应商，贸易商，生产企业和生产厂家，最后Desmodur-W的中文，英文，用途 CAS cas number cas no可能也是您需要的。 Company Covestro manufactures adhesive raw materials for use in the production of contact and heat-activated adhesives, as well as reactive and hot-melt adhesives for the transportation, furniture, footwear, packaging, and construction markets. Desmodur W_en_05907551 17844563 19914416 - Free download as PDF File (. 055 ng per injection. At this time, Covestro’s polycarbonate products are not included in the Force Majeure declaration. 5%, a color value (Hazen) of ≤ 30, a hydrolyzable chlorides level of ≤ 10mg/kg, and an acidity content of ≤ 10mg/kg. DESMODUR W/1 Version 4. Please sign in or request access to get access to the full content. Desmodur® W 5124-30-1 Contact an Expert Select your market* United States of America It is available commercially under the tradename of Desmodur W from Covestro - formerly Bayer Material Science. , in science and technology, medicine and pharmacy. Desmodur W也被称为PICM，氢化MDI（HMDI或H12MDI），饱和MDI（SMDI），还原型MDI（RMDI），二环己基甲烷二异氰酸酯。Desmodur W二异氰酸酯可用作化学产品制备的活性中间体和聚合物。Desmodur W 尤其可以做为有机中间体因为在室温下异氰酸酯基团可以与含活泼氢的化合物反应。Desmodur W可以用于制备具有特殊性能 Covestro represents that, for a period of nine months following the day of shipment as stated in the respective transport documents, the product will meet the specifications or values set forth in section "specifications or characteristic data" above, what ever is applicable, provided that the product is stored in full compliance with the storage conditions set forth in and referenced under Desmodur® W is a monomeric cycloaliphatic diisocyanate used in the manufacture of polyisocyanates and polyurethanes. Oct 25, 2024 · View technical datasheet of Desmodur® W. Catalysts like DBTDL, dibutyltin dilaurate, and Zn AcAc, zinc acetyl acetonate, can be expected to further reduce the deblocking temperature by 10-20 degrees C. It serves as a core component in the formulation of these materials, contributing to their durability, chemical resistance, and overall performance. Desmodur® I 3-Isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate or isophorone diisocyanate (IPDI). Compare products and get samples. 09. 07g/ml, a color value (Hazen) of ≤ 30, a totalchlorides level of ≤ 10mg/kg, and a viscosity at 25°C of approx. ah, polyurethanes—the unsung heroes of modern materials. Desmodur W diisocyanate is especially useful as an organic intermediate because Aug 31, 2017 · •H12MDI (Desmodur® W) •Selected pre-polymers •Polyaspartics These materials are used to manufacture products for a variety of industries, including automotive, building and construction, furniture and appliance. PUs based on Desmodur® are used in upholstery, mattresses, car seats, thermal insulation (buildings, refrigeration), wheels, rollers and dashboards Desmodur W Monomeric cycloaliphatic diisocyanate SKU: 13035 Category: Covestro Tag: 5124-30-1 Desmodur® W is a monomeric cycloaliphatic diisocyanate used in the manufacture of polyisocyanates and polyurethanes. 30 declared Force Majeure due to implications stemming from Hurricane Harvey’s Desmodur W PNG & PSD images with full transparency. Hazards Identification Oct 30, 2017 · Covestro LLC on Monday lifted Force Majeure – effective immediately – regarding its ability to supply: Hexamethylene Diisocyanate (HDI) and its corresponding derivatives Isophorone Diisocyanate (IPDI) and its corresponding derivatives H12MDI (Desmodur W) Selected pre-polymers Polyaspartics Covestro LLC on Aug. Coatings based on Desmodur L or Desmodur N polyisocyanates can also be cured at elevated temperatures to reduce the cure time. Buy in China! We would like to show you a description here but the site won’t allow us. It is suggested that a container the size warmed for 16-24 hours at Products and Properties Desmodur®/Desmophen® for Coatings Commercial Products Desmodur®/Desmophen® This brochure provides an overview of the commercial products from our Desmodur®/Desmophen® range with their key technical data and applications. the unsung heroes of modern materials science. and in the world of high-performance, low-yellowing, and chemically robust polyurethanes, one name consistently stands out: desmodur w, better known in chemistry circles as h12mdi Sep 8, 2023 · Contact China Manufactory Shandong zhishang chemical Co. 2 Relevant identified uses of the substance or mixture and uses advised against We would like to show you a description here but the site won’t allow us. Desmodur W. Acute Inhalation For Product: DESMODUR I Diisocyanate vapors or mist at concentrations above the TLV or PEL can irritate (burning sensation) the mucous membranes in the respiratory tract (nose, throat, lungs) causing runny nose, sore throat, coughing, chest discomfort, shortness of breath and reduced lung function (breathing obstruction). Desmodur® W is a liquid cycloaliphatic diisocyanate used as a reactive building block for the preparation of chemical products, reactive intermediates and polymers. Bayer offers a comprehensive range based on polyurethane and polychloroprene, with specialty raw materials that offer UV light and weather resistance. pdf), Text File (. In addition, drying times depend on both the temperature and the amount of atmospheric moisture present [16]. Jul 22, 2021 · Desmodur W Manufacturer Covestro LLC USA a Subsidiary of Bayer Material Science Product code 05907551 Revision date 2019 November 14 Language English Sep 1, 1996 · 4,4′-Dicyclohexylmethane diisocyanate (H 12 MDI) has been used for several years as a monomeric building block for high performance Polyurethane products. 2. Excellent hydrolytic resistance, outstanding 一、Desmodur W是什么？ 它凭什么这么火？ Desmodur W是德国科思创（Covestro）公司生产的一种 脂肪族二异氰酸酯，化学名称为 4,4′-二环己基甲烷二异氰酸酯（HMDI）。 与传统的芳香族异氰酸酯（如TDI、MDI）相比，Desmodur W具有以下显著优势： The DESMODUR® and DESMOPHEN® lines specialize in coating application on wood, plastics, and vehicles. After 4 hours, check acid number (AN) and NCO content. Desmodur-W information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and Explore Desmodur® brand by Covestro and the related commercial grades for Plastic Compounds (listing updated daily). The product is classified as skin irritant, eye irritant, respiratory sensitizer, skin sensitizer, and Desmodur ia a Isocyanate-based polyurethane prepolymer for curing polyols. Preferred co-reactants are polyacrylate or polyester polyols. 2 Limit defining parameters The detection limit of the analytical procedure is 0. Please enter a Material Number or a Product Name, then select a Language (required) and a Legislative Area (required) to define your Safety Data Sheet (SDS) search. Over 200 angles available for each 3D object, rotate and download. This product is sold commercially under the tradename Desmodur ® W. Sep 1, 1996 · 4,4′-Dicyclohexylmethane diisocyanate (H 12 MDI) has been used for several years as a monomeric building block for high performance Polyurethane products. Desmodur® W is a monomeric cycloaliphatic diisocyanate used in the manufacture of polyisocyanates and polyurethanes. The information covers aliphatic and aromatic poly- isocyanates (Desmodur®), polyacrylate, polyester and polyether polyols (Desmophen®) as co cas5124-30-1 des w Desmodur W is a polyisocyanate crosslinking agent used in the production of various coatings, adhesives, and sealants. but let’s be honest—most of us don’t want our high-end coatings turning into a sad, yellowed mess after a few months in the sun. 30 mPa·s. ChemicalBook あなたのためにDesmodur-Wの化学的性質を提供して、融点、価格、蒸気圧、沸点、毒性、比重、沸点、密度、分子式、分子量、物理的な性質、毒性 税関のコードなどの情報、同時にあなたは更にDesmodur-Wの製品の全世界の供給商にブラウズすることができて、生産企業と生産メーカー Heat to 85°C with agitation. 1 Revision Date 06. Desmodur® D family and hardeners for latent-reactive adhesives Hydrophilic hardener for largely pH-neutral aqueous polymer dispersions in adhesive applications. 2024 Print Date 07. The document is a safety data sheet for a trial product called DESMODUR MS 78TF03, which contains a diphenylmethanediisocyanate-prepolymer and diphenylmethane-2,4'-diisocyanate. It provides free access to secondary information on researchers, articles, patents, etc. It is cycloaliphatic diisocyanate and is designed for adhesives and sealants. | PixelSquid Respiratory Protection Open transfer of Desmodur® H at room temperature or applications where Desmodur® H, Desmodur® I or Desmodur® W are heated, sprayed or used in poorly ventilated areas typically require the use of respiratory protection. H12MDI in High-Performance Adhesives: A Solution for Bonding Diverse Substrates in Challenging EnvironmentsBy Dr. Jun 11, 2025 · 四、Desmodur W在水性聚氨酯中的核心优势分析 1. Desmodur W：户外高耐久聚氨酯制品的“金刚不坏之身” 在聚氨酯的世界里，如果说有一种原料能让人眼前一亮、心头一震，那一定非Desmodur W莫属。 它不是那种默默无闻的配角，而是实打实的主角光环加身，尤其在户外高耐久聚氨酯制品领域，Desmodur W The information covers aliphatic and aromatic poly-isocyanates (Desmodur®), polyacrylate, polyester and polyether polyols (Desmophen®) as co-reactants for Feb 19, 2016 · Desmodur w/1 Manufacturer Covestro Deutschland AG a Subsidiary of Bayer MaterialScience AG Product code NL / NL, 112000014439 Revision date 2016 February 19 Language Danish Providing the industry with versatile cast polyurethane elastomers Cast polyurethane elastomers are growing in popularity, as enhanced property profiles and processing technologies expand the scope of potential applications. from the soles of your favorite sneakers to the glossy finish on a luxury yacht, polyurethanes are everywhere. Safety Data Sheet DESMODUR - Free download as PDF File (. 2 Relevant identified uses of the substance or mixture and uses advised against Jun 11, 2025 · 四、Desmodur W在电子灌封中的典型应用 Desmodur W通常作为A组分（多异氰酸酯）使用，与多元醇类B组分反应生成聚氨酯材料。根据不同的配方设计，可以得到不同硬度、柔韧性、导热性等特性的灌封材料。 Desmodur® W/1 is a monomeric cycloaliphatic diisocyanatethat is used in the manufacture of polyisocyanates and polyurethanes. C12H18N2O2 Contact an Expert Select your market* United States of America SAFETY DATA SHEET DESMODUR RFE Revision date 29-Jul-2019 Desmodur® W/1 | CSC JÄKLECHEMIE | CAS: 5124-30-1 | EINECS: 225-863-2 | Farb- und Lackrohstoffe | Isocyanat-Vernetzer | Covestro AG | ALI (Aliphatische Isocyanate) DESMODUR W Version 7. Desmodur® W/1 is a monomeric cycloaliphatic diisocyanatethat is used in the manufacture of polyisocyanates and polyurethanes. " Local exhaust should be used to maintain levels below the TLV whenever this diisocyanate is heated, sprayed, or aerosolized. The search results guide you to high-quality primary information inside Desmodur® W/1 is a monomeric cycloaliphatic diisocyanatethat is used in the manufacture of polyisocyanates and polyurethanes. txt) or read online for free. 2024 SECTION 1: Identification of the substance/mixture and of the company/undertaking Desmodur® W is a monomeric cycloaliphatic diisocyanate used in the manufacture of polyisocyanates and polyurethanes. 8%, an assay (GC) of ≥ 99. The largest application area for this cycloaliphatic diisocyanate is for use in solventborne and waterborne coatings. Our deep-seated knowledge and onsite expertise Jun 11, 2025 · desmodur w在生物医用聚氨酯材料中的应用 一、引言：从鞋底到心脏，聚氨酯的“跨界”人生 🧥🫀 如果要给高分子材料界的“全能选手”排个名，聚氨酯（polyurethane, pu）绝对能挤进前三。 Desmodur® D family and hardeners for latent-reactive adhesives Hydrophilic hardener for largely pH-neutral aqueous polymer dispersions in adhesive applications. Dec 12, 2023 · (formerly bayer) desmodur w h12mdi dicyclohexylmethane diisocyanate hydrogenated mdi hmdi 5124-30-1 author: Post: 12/12/2023 160 read Comments Off IMCD - Leading Speciality Chemicals & Ingredients Distributor ah, polyurethanes. As a polyurethane specialist, Covestro ofers a broad variety of Desmodur® systems, Vulkollan® for polyurethane elastomers. Heating Drums of Desmodur® W 86-104°F (30-40°C). If Desmodur® W is stored for prolonged periods at or below a temperature of 77°F (25°C), crystallization and precipitation of the trans, rans isomer may occur. The main applications for systems based on Desmodur ® N 3200 are as air- and force-drying coatings for Jun 11, 2025 · 一、desmodur w是什么？从分子结构说起 首先，咱们得先搞清楚这个“w”到底是何方神圣。 desmodur w是一种 脂肪族二异氰酸酯，化学名为 4,4′-亚甲基双 (环己基异氰酸酯)，简称hmdi。它的结构属于 脂环族类异氰酸酯，比起常见的芳香族异氰酸酯（如tdi、mdi），它的耐候性、耐黄变性要强得多，尤其 Covestro also ofers Desmodur® prepolymers with a low unreacted TDI monomer content (Desmodur® LU-T based systems). This product has an NCO content (calculated from GC) of ≥ 31. For the classical materials based on the raw Desmodur W, they found the same values as ours for Tα s [that is, -51°C (PPO) and -74°C (PTMO) for the maximum of tan δ peak], whereas Tα h was somewhat lower in their case, presumably because their materials were only cured up to 110°C. The Role of Desmodur W (H12MDI) in Formulating High-Clarity and Transparent Polyurethane Systems for Optical ApplicationsBy Dr. Persons with a preexisting, nonspecific bronchial Jun 10, 2025 · Desmodur W 是由德国巴斯夫公司（BASF）生产的一种脂环族二异氰酸酯，化学名称为 4,4’-二环己基甲烷二异氰酸酯（HMDI）。 它的结构中含有两个环己基团和两个异氰酸酯基团（—NCO），这使得它在反应活性和耐黄变性方面表现优异。 Company Covestro manufactures adhesive raw materials for use in the production of contact and heat-activated adhesives, as well as reactive and hot-melt adhesives for the transportation, furniture, footwear, packaging, and construction markets. Excellent hydrolytic resistance, outstanding 一、Desmodur W是什么？它凭什么这么火？ Desmodur W是德国科思创（Covestro）公司生产的一种 脂肪族二异氰酸酯，化学名称为 4,4′-二环己基甲烷二异氰酸酯（HMDI）。与传统的芳香族异氰酸酯（如TDI、MDI）相比，Desmodur W具有以下显著优势： Desmodur® W is a monomeric cycloaliphatic diisocyanate used in the manufacture of polyisocyanates and polyurethanes. but behind every great polymer is a great isocyanate. ,Ltd for the product Desmodur W. To contact the suppliers of this material and register a request for a price, sample, consultation or pre-invoice, please complete the application form. Explore Desmodur® brand by Covestro and the related commercial grades for Coatings and Inks (listing updated daily). The IMPRANIL® line of Polyurethane dispersions is used for a wide variety of applications in textile coatings. Desmodur W diisocyanate is useful as a reactive building block for the preparation of chemical products, reactive intermediates and polymers. Properties / Applications Desmodur W is also known as PICM, hydrogenated MDI (HMDI or H12MDI), saturated MDI (SMDI), reduced MDI (RMDI), and dicyclohexylmethane diisocyanate. 耐候性与抗黄变能力突出 Desmodur W属于脂肪族异氰酸酯，不含苯环结构，因此其制得的聚氨酯材料具有极佳的耐紫外线性能。这对于户外使用的涂料、皮革涂饰剂、汽车内饰等应用场景至关重要。 DESMODUR W Material number: 05907551 1. 8%, a density at 25°C of approximately 2. Bis (4-isocyanatocyclohexyl)methane Cyclohexane, 1,1'-methylenebis (4-isocyanato)- Desmodur W Dicyclohexylmethane-4,4'-diisocyanate H12MDI Hydrogenated MDI Hylene W Methylene bis (4-isocyanatocyclohexane) Methylenebis (1,4-cyclohexylene) diisocyanate Methylenedi-1,4-cyclohexylene isocyanate Methylenedi-4-cyclohexylene diisocyanate Vestanat H12MDI 在市場上常見以Covestro (前身為拜耳材料公司) 商品名 Desmodur W 銷售。 它用作製備如 異氰酸酯 封端的預聚物和其他聚氨酯聚合物） [3] 的組成單體。 異氰酸酯基團可以在室溫下與含有活性氫的化合物，尤其是 胺 和多元 醇 發生加成反應。 Desmodur ® N 3200 is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Desmodur W has a shelf life of nine months from date of receipt at customer, provided the material is stored in sealed original containers at the recommended storage temperature. Desmodur ®W (H12MDI) based curing agents can be expected to reduce the deblocking temperature of powder coatings by at least 10 degrees C. Used in flexible/elastomeric coatings, adhesives, and foams. Alex Reed, Senior Formulation Chemist, PolyBond Innovations NON-TRANSPORTATION Emergency Phone: Information Phone: Call Chemtrec (844) 646-0545 DESMODUR I 00480770 Cycloaliphatic Diisocyanate 4098-71-9 Raw material for coatings, inks, adhesives, sealants, or elastomers in industrial applications Do-It-Yourself Applications, Medical applications 2. NCO value is determined by the di-n-butylamine titration method. [4] Mar 4, 2025 · View technical datasheet of Desmodur® W. AN, at this time should be about 17. The information presented here was acquired by UL from the producer of the product or material or original information provider. from the soles of your favorite running shoes to the insulation in your freezer, they’re everywhere. Desmodur® TDI - polyether based prepolymers are designed to be processed with various amine curatives. It’s produced by hydrogenating standard MDI, which swaps out those aromatic rings for saturated cyclohexyl rings. Explore Desmodur® brand by Covestro and the related commercial grades for Adhesives and Sealants (listing updated daily). Chat now for more business. H12MDI is a hydrogenated MDI (methylene diphenyl diisocyanate), more formally known as 4,4′-dicyclohexylmethane diisocyanate (H12MDI). The highly reactive Desmodur IL and Desmodur HL polyisocyanates have particular importance for baked finishes as they allow extremely short drying times. 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. ens duuzc jxgwpfb xtabim fvixdd vedll kekyly fzecfl wvmgf ijjy zhva ggexnv vlxfui adnxa xmzzn