Antibacterial thermoplastic plastic composition and preparation method thereof
A technology of thermoplastics and compositions, applied in botany equipment and methods, chemicals for biological control, animal repellents, etc., can solve the problems of cumbersome steps and increased costs, and achieve simple process, easy operation, The effect of good antibacterial effect
Active Publication Date: 2011-05-04
CHINA PETROLEUM & CHEM CORP +1
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The invention provides an antibacterial thermoplastic plastic composition, comprising the following blending components in parts by weight: 100 parts of thermoplastic plastic, 0.1-20 parts of polymer guanidine/polysilicate compound antibacterial agent, 0-0.5 part of antioxidant, 0-5 parts of dispersing agent and 0-30 parts of compatilizer, wherein the polymer guanidine/polysilicate compound antibacterial agent is obtained by mixing inorganic acid salt aqueous solution or organic acid salt aqueous solution of water-soluble polymer guanidine with water-soluble silicate aqueous solution and thenadding water-soluble metal salt aqueous solution, wherein the molar ratio of the inorganic acid salt or organic acid salt of the water-soluble polymer guanidine to the water-soluble silicate is (10:1)-(1:50), and the molar ratio of the water-soluble silicate to the water-soluble metal salt is (5:1)-(1:3). The antibacterial thermoplastic plastic has the characteristics of high antibacterial effectand strong water resistance, and simultaneously, the preparation method is simple.
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