作者: Liu Sihao , Wang Yan , Chen Jinfang , Liu Fangjun , Chen Zizheng
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摘要: The invention relates to the technical field of industrial waste resources, in particular black paste (called for short) produced production process vitamin B6. is used as a flame retardant prepare polypropylene master batch. comprises, by weight, 100-200 parts B6, 50 melamine, 5-20 carboxylic acid or anhydride. melamine and higher fatty are mixed uniformly, stirred, heated reacted period time, mixture milled into powder after cooling. flame-retardant batch has advantages that resources B6 residues reused, modified retardant, new formula formed applied polypropylene, economic benefits greatly improved.