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Disposable biodegradable gloves and preparation method thereof

A biodegradable and disposable technology, applied in the direction of coating, etc., can solve the problems of difficult-to-degrade products, non-biodegradable, and high pollution, and achieve good heat sealing performance, good water leakage performance, and good processing performance.

Inactive Publication Date: 2014-04-23
BYTECH DONGTAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the disposable products that people use daily are petroleum-based plastics. They are cheap, but they are all products that are difficult to degrade. Due to the gradual increase in the use of these products in recent years, white pollution has formed, causing Environmental pollution, affecting the ecological balance
For example, the polyvinyl chloride resin gloves or latex, rubber, PE and other gloves currently on the entire glove market are not biodegradable, and they are highly polluting.
Although more and more degradable plastic products are beginning to emerge, there are still many deficiencies in the current degradable products
The existing degradable products mainly use petroleum-based plastic polyolefin materials as carriers to prepare degradable plastic products, or use polylactic acid polymers prepared from natural substances to improve the biodegradability of degradable plastics. However, the processed materials The performance and other aspects cannot meet the requirements of use, and the cost of polylactic acid is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Raw material composition and weight percentage are:

[0026] Corn modified starch: 35-41%

[0027] Polyvinyl chloride resin: 10-35%

[0028] Plasticizer: 20-38%

[0029] Liquid calcium-zinc stabilizer: 1.0-1.7%

[0030] Viscosity reducer: 5-25%

[0031] Dispersant: 3-5%

[0032] Methyl methacrylate 10-30%

[0033] Butyl acrylate mixed monomer 10-25%.

[0034] Wherein, the water content of corn modified starch is 1.5wt%; Plasticizer density is 0.972g / cm , ester content ≥ 95%; Viscosity reducer is preferably n-paraffin; The number average molecular weight of methyl acrylate copolymer can be 17 Wan, the molecular weight distribution can be 1.2, the melt index can be 22 g / 10 min, the density can be 0.935 g / cm3, preferably, the melt index is 8.2 g / 10 min, the density is 0.945 g / cm3, and the acrylic acid content is 8.5 %.

[0035] The preparation process is as follows;

[0036] (1) Carry out nano-ultrafine treatment to food-grade corn modified starch, make its finene...

Embodiment 2

[0041] Raw material composition and weight percentage are:

[0042] Tapioca starch: 35-41%

[0043] Polyvinyl chloride resin: 10-35%

[0044] Plasticizer: 20-38%

[0045] Liquid calcium-zinc stabilizer: 1.0-1.7%

[0046] Viscosity reducer: 5-25%

[0047] Dispersant: 3-5%

[0048] Methyl methacrylate 10-30%

[0049] Butyl acrylate mixed monomer 10-25%.

[0050] The water content of the cassava modified starch is 1.3wt%; the plasticizer density is 0.975g / cm3, and the ester content is ≥ 96%; the number average molecular weight of the methyl acrylate copolymer can be 200,000, the molecular weight distribution can be 1.23, and the melt index May be 25 g / 10 min, density may be 0.93 g / cm3, preferably melt index 8.5 g / 10 min, density 0.94 g / cm3, acrylic acid content 8%.

[0051] The preparation process is as follows:

[0052] (1) Carry out nano ultrafine treatment to food-grade cassava starch, make its fineness be less than 100 mesh, sieve;

[0053] (2) Add the rest of the ra...

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Abstract

The invention discloses a pair of disposable biodegradable gloves and a preparation method thereof. The pair of disposable biodegradable gloves consists of the following components in percentage by weight: 35-41% of starch, 10-35% of polyvinyl chloride resin, 20-38% of plasticizer, 1.0-1.7% of liquid calcium-zinc stabilizer, 5-25% of viscosity reducer, 3-5% of dispersing agent, 10-30% of methyl methacrylate and 10-25% of mixed monomer of butyl acrylate. According to the pair of disposable biodegradable gloves and the preparation method thereof disclosed by the invention, by mixing the starch, environment-friendly plasticizer, ethylene-methyl acrylate copolymer, salt additive and polyvinyl chloride resin and controlling the content thereof, excellent biodegradability is guaranteed by use of the starch with relatively high content in the gloves; the strength of the gloves can completely meet the using requirements; and moreover, the pair of gloves has good processability, excellent heat sealing performance and good water leakage resistance and can be widely applied to the healthcare industry.

Description

technical field [0001] The invention relates to a glove and a preparation method thereof, in particular to a disposable biodegradable glove and a preparation method thereof. Background technique [0002] At present, most of the disposable products that people use daily are petroleum-based plastics. They are cheap, but they are all products that are difficult to degrade. Due to the gradual increase in the use of these products in recent years, white pollution has formed, causing Environmental pollution affects the ecological balance. For example, the polyvinyl chloride resin gloves or gloves such as latex, rubber, and PE in the entire glove market are not biodegradable, and they are highly polluting. Although more and more degradable plastic products are beginning to emerge, there are still many deficiencies in the current degradable products. The existing degradable products mainly use petroleum-based plastic polyolefin materials as carriers to prepare degradable plastic p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/02C08L27/06C08F251/00C08F220/14C08F220/18B29C41/14
Inventor 王友冯建东王庆华王成
Owner BYTECH DONGTAI
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