Environmentally-friendly plastic and preparation method thereof
A technology of environmentally friendly plastics and beta-cyclodextrin, applied in the field of plastics, can solve the problems of poor processing fluidity, non-automatic degradation, environmental pollution, etc., to achieve improved flame retardancy, strong biodegradability, and low equipment requirements high effect
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Embodiment 1
[0027] A preparation method of environmentally friendly plastics, comprising the steps of:
[0028] 1) Preparation of polymerized monomer: Dissolve 100g of all-aminobeta cyclodextrin in 800g of dimethyl sulfoxide, then add 200g of 4-vinylbenzyl chloride to it, stir and react at 30°C for 5 hours, then pour into A precipitate was precipitated in acetone, filtered and washed 3 times with ether, and the solvent was extracted under reduced pressure;
[0029] 2) Preparation of copolymer: 90 g of polymerized monomers, 15 g of vinylpyrrolidone, 15 g of vinyl ferrocene, 60 g of L-vinylglycine, and 0.6 g of azobisisobutyronitrile prepared through step 1) were dissolved in two In 450g of methyl sulfoxide, polymerize at 60°C for 2 hours under a nitrogen atmosphere, then pour into acetone to precipitate, filter, and dry the filter cake in a vacuum oven at 60°C for 10 hours;
[0030] 3) Ion exchange: soak 100 g of the copolymer prepared in step 2) in 10000 g of an aqueous solution of sodiu...
Embodiment 2
[0034] A preparation method of environmentally friendly plastics, comprising the steps of:
[0035] 1) Preparation of polymerized monomers: Dissolve 100 g of all-aminobeta cyclodextrin in 900 g of dimethyl sulfoxide, then add 220 g of 4-vinylbenzyl chloride, stir and react at 32°C for 5.5 hours, then pour into A precipitate was precipitated in acetone, filtered and washed 4 times with ether, and the solvent was extracted under reduced pressure;
[0036] 2) Preparation of copolymer: 70 g of polymerized monomers, 10 g of vinylpyrrolidone, 10 g of vinyl ferrocene, 45 g of L-vinyl glycine, and 0.6 g of azobisisoheptanonitrile prepared by step 1) were dissolved in N , in 350g of N-dimethylformamide, polymerized at 63°C for 2.3 hours under a helium atmosphere, then poured into acetone to precipitate, filtered, and dried the filter cake in a vacuum oven at 62°C for 12 hours;
[0037] 3) Ion exchange: Soak 100 g of the copolymer prepared in step 2) in 9000 g of an aqueous solution of...
Embodiment 3
[0041] A preparation method of environmentally friendly plastics, comprising the steps of:
[0042] 1) Preparation of polymerized monomer: Dissolve 100g of all-aminobeta cyclodextrin in 1000g of dimethyl sulfoxide, then add 240g of 4-vinylbenzyl chloride to it, stir and react at 36°C for 6 hours, then pour into A precipitate was precipitated in acetone, filtered and washed 5 times with ether, and the solvent was extracted under reduced pressure;
[0043] 2) Preparation of copolymer: 80 g of polymerized monomers, 10 g of vinyl pyrrolidone, 10 g of vinyl ferrocene, 50 g of L-vinyl glycine, and 0.7 g of azobisisobutyronitrile prepared in N - In 400g of methylpyrrolidone, polymerize for 2.6 hours under a neon atmosphere at 66°C, then pour into acetone to precipitate, filter, and dry the filter cake in a vacuum oven at 66°C for 13 hours;
[0044] 3) Ion exchange: Soak 100 g of the copolymer prepared in step 2) in 8000 g of an aqueous solution of sodium lignosulfonate with a mass fra...
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