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Preparation method of high-temperature resistance degradable PVC tablecloth

A technology of high temperature resistance and PVC film, which is applied in chemical instruments and methods, synthetic resin layered products, lamination devices, etc. The effect of small thermoplastic deformation and broad application prospects

Inactive Publication Date: 2018-03-06
杨忠华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main technical problem to be solved by the present invention is to provide a high-temperature-resistant and degradable PVC tablecloth preparation method for common PVC tablecloths that have poor high temperature resistance and are difficult to degrade after being discarded.

Method used

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  • Preparation method of high-temperature resistance degradable PVC tablecloth

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0025]In parts by weight, add 2 parts of sodium lauryl sulfate, 3 parts of polyethylene glycol octyl phenyl ether, 8 parts of sodium bicarbonate and 80 parts of deionized water into the Place the four-necked flask in a water bath, heat up to 80°C, start the stirrer, and stir at a speed of 500r / min until the solid content in the four-necked flask is completely dissolved to obtain a dispersion solvent ; Methyl methacrylate and butyl acrylate are mixed to obtain mixed monomers, and the configuration mass fraction is 40% ammonium persulfate aqueous solution as initiator, by parts by weight, by dropping funnel at a rate of 3mL / min Add 14 parts of mixed monomers to the four-necked flask, stir for 2 minutes, add 2 parts of initiator to the four-necked flask, react for 10 minutes, mix 30 parts of mixed monomers with 4 parts of initiators, To obtain the mixed solution, use the dropping funnel to add the mixed solution dropwise to the four-necked flask at a rate of 5 mL / min, keep the te...

example 2

[0027] In parts by weight, add 3 parts of sodium lauryl sulfate, 4 parts of polyethylene glycol octyl phenyl ether, 9 parts of sodium bicarbonate and 85 parts of deionized water into the Place the four-necked flask in a water bath, heat up to 83°C, start the stirrer, and stir at a speed of 525r / min until the solid content in the four-necked flask is completely dissolved to obtain a dispersion solvent ; Methyl methacrylate and butyl acrylate are mixed to obtain mixed monomers, and the configuration mass fraction is 40% ammonium persulfate aqueous solution as an initiator, and in parts by weight, drop by dropping funnel at 4mL / min Acceleration rate Add 15 parts of mixed monomers to the above-mentioned four-necked flask first, after stirring for 3 minutes, add 2 parts of initiator to the four-necked flask, and after 11 minutes of reaction, mix 31 parts of mixed monomers with 5 parts of initiators, To obtain the mixed solution, use the dropping funnel to drop the mixed solution in...

example 3

[0029] In parts by weight, add 4 parts of sodium lauryl sulfate, 5 parts of polyethylene glycol octylphenyl ether, 10 parts of sodium bicarbonate and 90 parts of deionized water into the Place the four-necked flask in a water bath, heat up to 85°C, start the stirrer, and stir at a speed of 550r / min until the solid content in the four-necked flask is completely dissolved to obtain a dispersion solvent ; Methyl methacrylate and butyl acrylate are mixed to obtain mixed monomers, and the configuration mass fraction is 40% ammonium persulfate aqueous solution as an initiator, in parts by weight, by dropping funnel at a rate of 5mL / min Acceleration rate Add 16 parts of mixed monomers to the four-necked flask, stir for 4 minutes, add 3 parts of initiator to the four-necked flask, and react for 12 minutes, mix 33 parts of mixed monomers with 6 parts of initiator, To obtain the mixed solution, use the dropping funnel to drop the mixed solution into the four-necked flask at a dropping r...

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Abstract

The invention relates to the technical field of plastic product preparation, in particular to a preparation method of high-temperature resistance degradable PVC tablecloth. According to the preparation method provided by the invention, a self-crosslinking acrylate emulsion obtained by reaction is prepared into a modified adhesive film, the modified adhesive film is adhered to a PVC film to form athree-layer composite film, and hot pressing is performed on the three-layer composite film to obtain the high-temperature resistance degradable PVC tablecloth; a resin matrix with aluminum powder, aluminum powder filling particles can increase a melting point of the PVC tablecloth and effectively reduce thermoplastic deformation at high temperature, so that the high-temperature resistance performance of the PVC tablecloth is improved; and a self-crosslinking acrylate adhesive film is soaked with a starch glue liquid, and starch is easily decomposed into monosaccharide in the long-term insolation process, so that the effect of degradation to the tablecloth is exerted, and contribution is made to environmental protection.

Description

technical field [0001] The invention relates to the technical field of plastic product preparation, in particular to a method for preparing a high-temperature-resistant degradable PVC tablecloth. Background technique [0002] Tablecloth is an item that is covered on the table or tabletop to prevent dirt or increase the appearance. Also known as: tablecloth, because it is customary to cover the table, so it is also called tablecloth. Due to the usage habits at home and abroad and the specifications of the table, the shapes and names are different. There are square table sets, round table sets, tea table sets, dining table sets, etc. They are mainly used for furnishings, banquets, and meals. They are generally suitable for hotels, teahouses, etc. Sophisticated place. [0003] According to the classification of production process, it can be divided into two types: plastic and textile. Plastics can be divided into: PVC tablecloth, EVA tablecloth, PEVA tablecloth, hot stamping...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B7/12B32B27/08B32B27/30B32B37/06B32B37/12B32B38/08B32B38/14B32B33/00
CPCB32B27/08B32B7/12B32B27/304B32B27/308B32B33/00B32B37/06B32B37/12B32B38/08B32B38/14B32B2250/24B32B2307/306
Inventor 杨忠华何俊欣张淑娴
Owner 杨忠华
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