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Antibacterial antistaling plastic thin-membrane additive and preparing method thereof

A plastic film and additive technology, which is applied in the field of antibacterial and fresh-keeping plastic film additives and manufacturing, can solve the problems of no antibacterial, fresh-keeping function, and inability to store food, etc., and achieve the effect of narrow particle size distribution, high negative ion concentration, and narrow diameter distribution

Inactive Publication Date: 2004-09-22
上海金樱环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that existing PE fresh-keeping plastic films on the market in the prior art are generally composed of PE plastic particles plus additives. In food packaging materials, because they have no antibacterial and fresh-keeping functions, they cannot be used in food storage. The problem that the packaged food cannot be stored at room temperature

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] Coarse grinding, first put the negative ion tourmaline ore into the jaw crusher for crushing, then wash it with high-pressure water gun, dry it, and use strong magnetic separation to remove clay, free iron and other harmful impurities in the ore, and then enter the roller crusher , the crushed ore enters the high-speed vortex mill to obtain ore powder with a particle size of about 1250 mesh, and the fine powder larger than 1250 mesh is returned to the entrance of the high-speed vortex mill for regrinding by the classifier; for fine grinding, 82 parts by weight of powder less than 1250 mesh are taken 5 parts by weight of far-infrared micropowder, 5 parts by weight of inorganic antibacterial micropowder, 2 parts by weight of plastic preservative, 4 parts by weight of photocatalytic micropowder, 2 parts by weight of titanate or silane coupling agent in a V-type mixer and enter High-pressure colliding jet mill, crushed to D 90 ≤2-3μ ultra-fine mixing functional powder; fine...

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PUM

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Abstract

An antibacterial antistaling additive for the antistaling plastic film used for vegetables and fruit contains negative-iron tourmalinite powder, far infrared material powder, powdered inorganic antibacterial agent, anticorrosion agent for plastics, powdered photocatalyst, and titanium or silane as coupling agent. Its advantages are high granular uniformity, high and durable power to release negative ions and emit far infrared ray, and high antistaling effect.

Description

technical field [0001] The invention relates to a plastic film additive and its manufacturing method, in particular to an antibacterial and fresh-keeping plastic film additive and its manufacturing method Background technique [0002] At present, the existing PE fresh-keeping plastic films on the market are generally composed of PE plastic particles plus additives. In food packaging materials, because they have no antibacterial and fresh-keeping functions, it is impossible to store the packaged food at room temperature during food storage. to store. Contents of the invention [0003] The purpose of the present invention is to solve the problem that existing PE fresh-keeping plastic films on the market in the prior art are generally composed of PE plastic particles plus additives. In food packaging materials, because they have no antibacterial and fresh-keeping functions, they cannot be used in food storage. The problem that the packaged food cannot be stored at room tempe...

Claims

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Application Information

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IPC IPC(8): C08J5/18C08K13/02
Inventor 林俊卿
Owner 上海金樱环保科技有限公司