Epoxy silicone oil analysis-Iota

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Service > Epoxy silicone oil analysis

Epoxy silicone oil analysis

Using the reaction activity of epoxy silicone and organic polymer bonding, to improve the properties of resin and coating of epoxy alkyl silicone oil on the one hand; on the other hand can also use its adsorption, soft, resistant to washing and stripping of thus play a positive role in such aspects as fabric finishing agent. The following focuses on epoxy alkyl silicone oil in the modified resin and coating property (especially in epoxy resin modification and synthesis of ionic type silicone surfactants in the application.
(1) epoxy resin modified with epoxy alkyl silicone oil modified epoxy resin encapsulating material can not only greatly reduce internal stress, and can improve the waterproof adhesive contact and a substrate. For example, resistance to thermal shock of liquid epoxy resin sealing charging, by aminopropyl head of silicone oil to react with the epoxy alkyl silicone oil (side group type) made of intermediate, then add ammonia alkyl head silicone and epoxy resin (Epikote 828) siloxane modified epoxy resin were made. The latter is further added to the epoxy resin, crosslinking agent, crosslinking agent, silane coupling agent, carbon black and amorphous silica. Will be changed resin drop to the silver piece, and bonding a silicon chip, at 150 DEG C for curing 4h, and hot and cold impact assessment (- 55 DEG C for 30 min and 150 DEG C for 30 min) 2500 times, 22 samples without a failure. If the use of non modified resin was made of the 27 samples, the impact of cold heat shock 600 times, 800 times and 1000 times, the number of failure to reach 2, 11 and 15.
(2) other resin modified epoxy alkyl silicone oil in addition to epoxy resin used as modifier, can also be used for other resin modified, such as increasing the maleimide semiconductor packaging material, heat resistance, moisture resistance, resistance to welding, resistance to thermal shock cycles of, and can effectively reduce the stress, reduce the rate of cracking products.
For example, in polycarbonate adding epoxy alkyl silicone oil processing can obtain excellent releasability, and does not affect the other performance. Such as bisphenol a polycarbonate mixed with 0.2% (mass fraction) of epoxy alkyl silicone oil and molding has excellent releasability, products of the notched impact strength of 98J/m, light transmission rate reached 90%.
(3) for preparing ionic carbon functional siloxane surfactant ion type carbon functional silicone is a kind of new surface and Na2S2O3 reaction, resulting in the siloxane, betaine or siloxane quaternary ammonium, siloxane sulfonate and siloxane thiosulfate.
At present, anionic and zwitterionic derivatives has in hair conditioning products, them into the hair detergent and conditioning shampoo, can be improved with the other components of the compatibility and improve the luster of the hair and soft.

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