Toluene diisocyanate manufacturer Knowledge Evonik Vestanat IPDI Isophorone Diisocyanate 4098-71-9

Evonik Vestanat IPDI Isophorone Diisocyanate 4098-71-9

author: Post: 12/04/2023 39read Comments Off

Evonik Vestanat IPDI Isophorone Diisocyanate 4098-71-9

Manufacturer ： EVONIK Degussa

Structure :3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate

Physical property parameters

Performance	Value	Unit	Test method
Density (20℃）	1.058-1.064	g/cm3	DIN51757ASTMD2111
Viscosity (23</strongplastic technology (RIM) and water-based adhesives or hot melt glue. In polyurethane resin technology, the preparation of water-based polyurethane dispersions is the most important application of VESTANAT^®IPDI, because this starting material can be used to produce low-viscosity prepolymers and final products with low co-solvent content . It is the hard segment component of the resin. If excellent yellowing resistance and low reaction dilution are required Depending on the agent or co-solvent content, you can choose polyurethane acrylates (conventional or water-based) for radiation curing based on VESTANAT IPDI synthesis. VESTANAT^®IPDI can be applied to moisture-cured prepolymers, This is another application for polyurethane resins. IPDI can make these products resistant to yellowing, low viscosity and low residual diisocyanate monomer. Take VESTANAT^®IPDI as A basic, solvent-based, high molecular weight polyurethane resin used in coatings that require abrasion resistance, especially where long-term flexibility and lightfastness are required. Typical applications are artificial leather polyurethane resins or natural leather finishes. Use IPDI to polyurethane alkyd resin to prepare urethane Alkyd and urethane oils are primarily used to fully improve the yellowing resistance, drying properties and hardness of these resins. Application in the field of two-component polyurethane, VESTANAT^®IPDI is an addition product with trihydric alcohol (such as: with TMP adduct) or in the form of polyisocyanate (such as: VESTANAT^®T1890). This use is primarily for large vehicle and automotive coatings (OEM and refinish). VESTANAT^®IPDI and its polyisocyanates can be used to prepare blocked polyisocyanates. These blocked polyisocyanates can be used for electrostatic spraying powders Cross-linking agent for coatings and solvent-based industrial paints, especially can coatings and coil coatings. IPDI-based cross-linking agent gives solvent-free two-component polyurethane excellent light stability and mechanical properties. This type of system is mainly used in elastomeric coatings and casting resins. Hard systems can be used as industrial materials. Activity and Catalysis Aliphatic and cycloaliphatic diisocyanates are less reactive than aromatic diisocyanates. IPDI usually requires the use of appropriate catalysts to accelerate the urethanation reaction. It is recommended to use dibutyltin dilaurate as the catalyst for urethanization. VESTANAT^®IPDI or the adduct of this product for polyurethane formulation When used as a normal temperature cross-linking agent, dibutyltin dilaurate is often used. When complete or partial reaction of isocyanates and water (moisture) is required, a mixed catalyst of dibutyltin dilaurate and a tertiary amine such as diazodiacyclooctane (DABCO) should be used. In addition to dibutyltin dilaurate, iron acetylacetonate , phenylmercury salt (COSCATR83) is an effective catalyst for solvent-free polyurethanes (elastomers and casting resins). Of course, at high temperatures, resin synthesis is the production of prepolymers , the reaction is also possible without a catalyst. When the temperature increases, the difference in the activity of the two isocyanates of IPDI decreases, so when the catalyst is used at room temperature, the selectivity of the prepolymer is higher. The best selectivity is achieved when the temperature does not exceed 50°C and DBTDL is added. Storage and transportation VESTANAT^®IPDI is packaged in non-recyclable 30kg cans and 200kg drums For supply, it is also possible to supply by tanker truck and storage tank. If moisture can be eliminated, IPDI can be stored for at least one year without affecting the quality of the above standards. Long-term storage will increase the color index. It is supplied in � and 200kg drums, and can also be supplied in tank trucks and storage tanks. If moisture can be eliminated, IPDI can be stored for at least one year without affecting the quality of the above standards. Long-term storage will increase the color index. This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/14736 给这篇文章的作者打赏微信扫一扫打赏支付宝扫一扫打赏 × Reward tag:Evonik Vestanat IPDI isophorone diisocyanate 4098-71-9 author: Previous articleBASF Diethanolamine DEOA (DEA) 111-42-2 Next article PCDL 1012 Polycarbonatediol Polycarbonate diol 2000 molecular weight Related recommendations 3-indole acetate 66read Comments Off 2,3,4,5,6-pentafluorobenzyl alcohol 76read Comments Off 6-Chloro-7-methylpurine 61read Comments Off 5-methoxytryptamine 74read Comments Off diazepam 79read Comments Off 5-methylisatin 85read Comments Off Recent Articles The key role and market prospects of polyurethane soft foam catalysts in improving mattress comfort 11/19/2024 The development trend of green and environmentally friendly polyurethane soft foam catalysts in the packaging industry 11/19/2024 Study on the Effect of Polyurethane Soft Foam Catalyst on the Physical Properties and Service Life of Foam Materials 11/19/2024 Environmental Impact Analysis of Hydroxyethyl Ethylenediamine (HEEDA) 11/19/2024 The Use of Hydroxyethyl Ethylenediamine (HEEDA) in the Textile Industry 11/19/2024 Tags 1 2 3 3KREES Industrial Coatings provides long-term anti-corrosion overall solutions for key wind power projects in Inner Mongolia 4 5 30.07 billion yuan! 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