Patent
Flame-retardant for laminate
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TLDR
In this article, a flame retardant for laminates, formed by adding an additive type flame retardants to a halogenated epoxy compound having at least one epoxy group in the molecule or a reaction product thereof with a Halogenated bisphenol A and adjusting the pH of the obtained composition to a value in the range of 5-7.Abstract:
PURPOSE:To form a flame retardant which can form a resin composition having a long pot life when mixed with a resin for laminates, has good compatibility with a resin and can give flame retardancy to the obtained laminate without detriment to its properties, by adding an additive type flame retardant to a halogenated epoxy resin and adjusting the pH of the obtained composition to a specified value. CONSTITUTION:A flame retardant for laminates, formed by adding an additive type flame retardant to a halogenated epoxy compound having at least one epoxy group in the molecule or a reaction product thereof with a halogenated bisphenol A and adjusting the pH of the obtained composition to a value in the range of 5-7. In adjusting the pH, an organic acid such as p-toluenesulfonic acid, benzoic acid or maleic acid is used. Examples of the additive-type flame retardants include triphenyl phosphate, its derivatives and halogenated diphenyl ethers.read more
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