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
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[0029] Example 1:
[0030] (1) Weigh 100.0 g (0.465M) of polyhexamethylene guanidine propionate (Shanghai High Poly, F3000), add it to 300 mL of deionized water solution, stir to dissolve it, and call it solution A; (2) Weigh 70.0g (0.246M) of sodium silicate (chemically pure), add it to 300mL of deionized water, stir to dissolve, and call it solution B; (3) At room temperature (about 25℃), combine solution A and solution B Mix and stir well for 30 minutes to form solution C; (4) Weigh ZnSO 4 (Chemical purity) 180.0g (0.626M), slowly poured into solution C, and vigorously stirred for 5 minutes, the precipitate was filtered, dried, and crushed to obtain polyhexamethylene guanidine propionate / polyzinc silicate composite antibacterial Agent (composite antibacterial agent one).
Example Embodiment
[0031] Example 2:
[0032] (1) Weigh 100.0 g (0.465M) of polyhexamethylene guanidine propionate (Shanghai High Poly, F3000), add it to 300 mL of deionized water solution, stir to dissolve it, and call it solution A; (2) Weigh 100.0g (0.352M) of sodium silicate (chemically pure), add it to 500mL of deionized water, stir to dissolve it, which is called solution B; (3) Mix solution A and solution B, and stir well at 50℃ for 1h , Forming solution C; (4) Weigh ZnSO 4 (Chemical purity) 120.0g (0.417M), slowly poured into solution C, and vigorously stirred for 10 minutes, the precipitate was filtered, dried, and crushed to obtain polyhexamethylene guanidine propionate / polyzinc silicate composite antibacterial Agent (composite antibacterial agent two).
Example Embodiment
[0033] Example 3:
[0034] (1) Weigh 100.0g (0.635M) of polyhexamethyleneguanidine hydrochloride (Shanghai Gaopoly F1000), add it to 300mL deionized water solution, stir to dissolve it, and call it solution A; (2) Another name Sodium silicate (chemically pure) 150.0g (0.528M), added to 600mL deionized water, stirred to dissolve, called solution B; (3) at room temperature (about 25 ℃), mix solution A and solution B , And fully stirred for 1.5h to form solution C; (4) Weigh Ca(NO 3 ) 2 (Chemical purity) 120.0g (0.508M), slowly poured into solution C, and vigorously stirred for 10 minutes, the precipitate was filtered, dried, and crushed to obtain polyhexamethyleneguanidine hydrochloride / calcium polysilicate composite antibacterial Agent (composite antibacterial agent three).
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