Plastic sealing strip easy to degrade and differentiate
A plastic sealing and modification technology, which is applied in the field of plastic sealing strips, can solve the problems of poor degradability, poor environmental protection, and environmental pollution of plastic sealing strips, and achieve the effect of improving degradable performance, high mechanical properties, and good reaction effect
Inactive Publication Date: 2019-04-12
王诚
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Abstract
The invention discloses a plastic sealing strip easy to degrade and differentiate. The plastic sealing strip is prepared from the following components in parts by weight: 25 to 38 parts of polyethylene, 15 to 30 parts of borax, 15 to 32 parts of urea, 5 to 12 parts of glycerin, 16 to 28 parts of plant fiber, 16 to 30 parts of modified starch, 25 to 52 parts of ethanol aqueous solution, 14 to 26 parts of dialdehyde starch, 15 to 25 parts of polyvinyl alcohol, 11 to 20 parts of chitosan, 10 to 24 parts of sodium carboxymethyl cellulose, 9 to 28 parts of acetic anhydride, 10 to 22 parts of sorbitol ester, 5 to 18 parts of formamide, 6 to 12 parts of cross-linking agent, and a little liquid paraffin. The modified starch prepared by polyvinyl alcohol as a cross-linking agent has good reaction effect and high mechanical properties; under a high-pressure condition, the synergistic effect of the modified starch after emulsification and the plant fiber improves the degradability of modified polyethylene; and the synergistic effect of polyvinyl alcohol, chitosan and modified polyethylene improves the degradability and water resistance of polyethylene plastic.
Technology Topic
Paraffin waxSodium carboxymethylcellulose +21
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