Alpha-cyclodextrin modified medical stone powder and PVC composite tablecloth and preparation method thereof
A technology of medical stone powder and cyclodextrin, applied in the field of tablecloths, can solve the problems of insufficient durability, insufficient environmental protection, easy to have peculiar smell, etc., and achieve the effects of improved water resistance, easy cleaning and firm bonding
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[0022] An antifouling α-cyclodextrin modified medical stone powder PVC composite tablecloth, including a base film and a mask, the mask is made of the following raw materials in parts by weight (kg): PVC50, plasticizer 24, heat stabilizer 1 , lubricant 0.1, medical stone 50, lavender essential oil 2, vinyl acetate 25, sodium hexametaphosphate 0.3, sodium lignosulfonate 0.4, azobisisobutylamidine hydrochloride 0.3, aluminum glycinate 12, appropriate amount of water, α-cyclodextrin 3, protease 0.5, ethylcellulose terpineol solution 2;
[0023] The bottom film is made of the following raw materials in parts by weight (kg): PVC56, plasticizer 27, heat stabilizer 1, lubricant 0.1, antioxidant 1, calcium carbonate 4.
[0024] The preparation method of the α-cyclodextrin modified medical stone powder PVC composite tablecloth comprises the following steps:
[0025] (1) Crush the medical stone into a powder with a fineness of 1200, put it into a single-screw extrusion extruder, add so...
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