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Polymeric MDIPoly[methylene(polyphenyl) isocyanate] is a diisocyanate-diphenylmethane(MDI)-based composition containing some higher functionality isocyanates. The functionality is about 2.6-2.7. It is a brownread more
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Pyromellitic DianhydridePyromellitic Dianhydride (CAS 89-32-7),We offer two grades of content: 98% and 99.5% .99.5% grade is the primary product for exporting. It is mainly used as a monomer for the synthesis of polyimideread more
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Acrylamide Crystal 98%Acrylamide Crystal 98% (CAS 79-06-1 ), also known as AM, the molecule of it has two active centers,both weak acidic and weak alkaline, so it is easy to self-polymerize.It is soluble inread more
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Polyester Polyols For PolyurethanesPolyester polyols are an important material for the manufacture of polyurethane hard foam insulation, soft foam, adhesives, elastomers, paints, inks, sealants, leather resins, shoe resins, TPU, andread more
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Polyether Polyols For PolyurethanesPolyether polyols (PPG)are a class of macromolecular compounds formed by alkali-catalyzed polymerization of ethylene oxide, propylene oxide, or other epoxides.read more
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Toluene DiisocyanateToluene Diisocyanate (TDI 80/20) (CAS 26471-62-5) is a mixture of 80% 2,4-toluene diisocyanate (CAS: 584-84-9) and 20% 2,6-toluene diisocyanate(CAS: 91-08-7). It is used in the production of flexibleread more
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1,3-Bis(4-aMinophenoxy)benzene1, 3-bis (4-aMinophenoxy)benzene, TPE-R, CAS 2479-46-1, molecular formula C18H16N2O2, molecular weight 292.3318. It is a kind of chemical intermediate, containing two ether bonds and three benzeneread more
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3,3’,4,4’-Biphenyl Tetracarboxylic Diandhydride3,3 ',4,4 '-Biphenyl tetracarboxylic diandhydride, also known as BPDA, CAS 2420-87-3, molecular formula C16H6O6, used in the production of polyimide products and composites, pharmaceuticalread more
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Maleic AnhydrideMaleic anhydride (CAS 108-31-6), Purity 99.%min, we can supply Reach certificate.In stock.read more
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Pyromellitic AcidPyromellitic acid (CAS 89-05-4), Purity 99.0% min. It is obtained by hydrolyzing the crude pyromellitic dianhydride and it is the main raw material used in the production of the curing agent B68 forread more
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Fumaric AcidFumaric acid (CAS 110-17-8). We can provide industrial grade, feed grade, and food grade. Feed and food grades are white crystalline powders that are non-adhesive, have good fluidity, and possess anread more
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Levulinic AcidLevulinic acid (CAS 123-76-2), with a purity of 99.0% min, is also known as fructosic acid. This product is primarily used as a raw material in the manufacture of resins, medicines, fragrances, andread more
(CASRN 101-68-8) is formed as a byproduct of PMDI synthesis and is rarely separated from the mixture except in special-use applications. The generic structure of PMDI is shown in Figure 1. Figure 1....
Jan 12, 2022 · Chemsrc provides 4,4'-Diphenylmethane diisocyanate(CAS#:101-68-8) MSDS, density, melting point, boiling point, structure, formula, molecular...
cas:1361969-01-8 1-溴甲基-4-(1,2,2-三苯乙烯基)苯 1-(bromomethyl)-4-(1,2,2-triphenylvinyl)benzene 一种聚集诱导发光材料 ... 金属有机骨架薄膜MIL-68,MIL-101,UiO-66包裹脱氧核糖核酸DNA(规格信息) 西安齐岳生物科技有限公司是一家从事MOF,离子液体 ,PEG衍生物、科研试剂、多肽、光电 ......
Diphenylmethane 4,4'-diisocyanate (mixture of di-and triisocyanates) for synthesis. CAS 101-68-8, molar mass 250.25 g/mol. Diphenylmethane 4,4'-diisocyanate MSDS (material safety data sheet) or SDS,...
【CAS】 101-68-8 【中文名称】 二苯甲撑二异氰酸酯 1,1-亚甲基双 (4-异氰酸根合苯) 二苯基甲烷-4,4’-二异氰酸酯 4,4'-二苯基甲烷二异氰酸酯 4,4'-亚甲基双 (异氰酸苯酯) 二苯基甲烷-4,4'-二异氰...
Oct 31, 2016 · Due to their unique physicochemical properties, graphene-family nanomaterials (GFNs) are widely used in many fields, especially in biomedical applications. Currently, many studies have...
