Preparation method of antibacterial PVC polyester coated filament
A technology of covering silk and antioxidants, applied in the chemical post-treatment of synthetic polymer rayon filament, yarn, textiles and papermaking, etc., can solve the problems of many components and complicated processes, and achieve enhanced stiffness and saving. Energy resources, the effect of shortening processing time
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[0027] The invention discloses a preparation method of antibacterial PVC polyester coated yarn, which mainly comprises two steps of preparing a masterbatch and coating the masterbatch with polyester yarn.
[0028] The preparation of color masterbatch comprises the following steps:
[0029] a, in parts by mass, weigh each component raw material;
[0030] b. Put the raw materials of each component into the high-speed mixer for high-speed mixing;
[0031] c. After stirring and cooling to 50 degrees, transfer to the hopper, and the hopper is sent into the main engine hopper through the conveying device;
[0032] d. Cut into particles by a granulator, that is, masterbatch.
[0033] The speed of high-speed mixing is 700-800 rpm.
[0034] The steps of polyester filament coating masterbatch are:
[0035] a. The filaments are put into the filament frame, passed through the tensioner positioning device into the mold, and the mold is loaded into the shunt
[0036] b. Put the masterb...
Embodiment 1
[0054] A kind of preparation method of antibacterial PVC polyester covering silk, comprises the following steps:
[0055] 1) Preparation of color masterbatch
[0056] a. In parts by mass, weigh the raw materials of the following components
[0057] 69 parts of polyvinyl chloride, 6 parts of pigment, 8 parts of dispersant, 4 parts of antioxidant, 5 parts of flame retardant, 8 parts of nano-zinc oxide surface grafted powder;
[0058] b. Put the raw materials of each component into the high-speed mixer for high-speed mixing;
[0059] c. After stirring and cooling to 50 degrees, transfer to the hopper, and the hopper is sent into the main engine hopper through the conveying device;
[0060] d. Cut into particles by a granulator, that is, masterbatch;
[0061] 2), coating
[0062] a. The filaments are put into the filament frame, passed through the tensioner positioning device into the mold, and the mold is loaded into the shunt
[0063] b. Put the masterbatch into the hopper,...
Embodiment 2
[0067] Preparation of nano zinc oxide surface graft powder:
[0068] a. Take 3 parts of silane coupling agent KH-570, 4 parts of tridecafluorooctyltrimethoxysilane, add 120 parts of ethanol; water = 4:1 aqueous solution of absolute ethanol, hydrolyze at room temperature for 1 hour; Add 14 parts of nano-zinc oxide dried at 120°C for 12 hours, add 30 parts of ethanol; water = 4:1 aqueous solution of absolute ethanol, ultrasonically disperse for 30 minutes; then mix the two into a flask, heat up to 80°C while stirring, and react for 12 hours After the reaction is finished, cool to room temperature, centrifuge the reactant at 4000r / min for 20min, and wash repeatedly with absolute ethanol to remove unreacted coupling agent; put it into a desiccator after fully drying in a vacuum oven to obtain surface-modified nano Zinc oxide white powder;
[0069] b. Take 10 parts of surface-modified nano-zinc oxide powder, add 84 parts of absolute ethanol, and ultrasonically disperse for 30 minu...
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