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Preparation of polybenzimidazole_Kain Industrial Additive
Background and overview[1][2] In the 1920s, people began to study the application of polyvinylbenzimidazole in the fields of rubber, fiber and coatings. In the late 1950s, research began on polybenzim…
Brief analysis: Alcohol chain extenders and cross-linking agents_Kain Industrial Additives
The influence of chain extenders and cross-linking agents For chemical cross-linking of polyurethane foam, the main way to achieve it is covalent bonding. Reactive isocyanates can react with many func…
Preparation method of bis(3-bromophenyl)methanone_Kain Industrial Additive
Overview[1][2] Bis(3-bromophenyl)methanone is a ketone organic compound and an important type of organic synthesis intermediate. It is widely used in the fields of medicine, pesticides, polymer materi…
Preparation method of 5-hydroxy-2-methoxy-benzaldehyde_Kain Industrial Additive
Overview[1] 5-Hydroxy-2-methoxy-benzaldehyde is a phenolic structure. The synthesis method of phenolic compounds includes the following steps: in the presence of a cuprous catalyst and ammonia water, …
Application of pyromellitic acid diamine_Kain Industrial Additives
Background and overview[1][2] Pyromellitic acid diamine is an amine organic compound that can be used as a fast-acting inhibitor of methane production. Apply[1-2] 1. The currently used rumen methanoge…
What is phenol? _Kain Industrial Additives
Phenol is a white or colorless crystal that deliquesces easily. It gradually turns into reddish crystals in the air or when exposed to unclean substances. It has a special smell, is toxic, and is high…
Preparation of 2,5-diamino-1,4-dihydroxybenzene dihydrochloride_Kain Industrial Additive
Background and overview[1][2] Diaminodihydroxybenzene can be used as a monomer for the preparation of polybenzoxazole, by combining 2,5-diamino-1,4-dihydroxybenzene dihydrochloride with diacid, dicarb…
Application of 4-methyl-2-phenyl-1,3-thiazole-5-carbonyl chloride_Kain Industrial Additive
Overview[1][2] 4-Methyl-2-phenyl-1,3-thiazole-5-carbonyl chloride is a heterocyclic organic compound that can be used as a pharmaceutical synthesis intermediate. Preparation[1] 1) Synthesis of benzoyl…
Application of 4-bromo-2-trifluoromethyl benzyl ether_Kain Industrial Additive
Overview[1][2] 4-Bromo-2-trifluoromethyl benzyl ether is an ether organic compound that can be used as a pharmaceutical synthesis intermediate. Preparation[1] 1) 4-bromo-2-(trifluoromethyl)phenol Put …
Preparation of bistriphenylphosphine nickel dicarbonyl_Kain Industrial Additive
Background and overview[1] Bistriphenylphosphine nickel dicarbonyl can be used as pharmaceutical synthesis intermediates and organic intermediates, mainly used in laboratory research and development p…
