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Process for producing synthetic flame resisting polyamides, flame resisting filaments and fibres and products obtained by using the same
Process for producing synthetic flame resisting polyamides, flame resisting filaments and fibres and products obtained by using the same
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机译:合成阻燃聚酰胺,阻燃长丝和纤维的生产方法以及使用它们的产品
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摘要
A method for producing flame resistant synthetic polyamides, suitable for spinning is described, wherein melamine and isocyanuric acid are reacted in an aqueous environment at the melamine isocyanurate formation temperature. An aqueous suspension of melamine isocyanurate is obtained having a maximum granule size not exceeding 2 microns, substantially free from agglomerates. The suspension is admixed with the monomeric material and the whole is submitted to polymerization. The invention provides a successful method for obtaining flame-resisting polyamide fibers and yarns owing to the presence therein of the melamine isocyanurate additive.
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