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Waterproof air-permeable packaging film material and preparation method thereof

A waterproof, breathable, packaging film technology, applied in the field of packaging materials, can solve the problem that packaging materials cannot be fully satisfied, and achieve the effects of being suitable for large-scale industrial application, good application prospects, and cheap raw materials

Inactive Publication Date: 2017-06-09
苏州缔绿电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned packaging materials cannot fully meet the needs of the industry, especially for some packaging materials that need to be breathable, how to prepare a packaging material that has both good air permeability and sufficient waterproofness to ensure that the packaging materials are protected by water. It is especially necessary that it will not be affected after soaking

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Accurately weigh 40 parts of phenolic resin, 35 parts of water-soluble dextran, 30 parts of polyvinyl alcohol, 25 parts of tributyl citrate, 15 parts of propylene glycol adipate polyester, 12 parts of zeolite powder, and potassium tetraborate according to parts by weight. 8 parts, 8 parts of dehydroacetic acid, 6 parts of lanthanum oxide, 5 parts of polyethylene wax powder, 4 parts of vaseline, 4 parts of coix seed oil, 2 parts of methyl ethyl ketoxime, 3 parts of N,N-dimethyl lauramide , 3 parts of vinyltrimethoxysilane.

[0024] (1) Put phenolic resin, water-soluble dextran, polyvinyl alcohol, tributyl citrate, and propylene glycol adipate polyester into a constant temperature water bath, add polyethylene glycol of equal mass, and react at constant temperature for 3 hours. Centrifuge after discharge, wash the separated mixture twice with absolute ethanol, and then dry it in a vacuum oven for 5 hours to obtain a pretreatment mixture;

[0025] (2) Grind and refine zeol...

Embodiment 2

[0030] Accurately weigh 45 parts of phenolic resin, 40 parts of water-soluble dextran, 35 parts of polyvinyl alcohol, 30 parts of tributyl citrate, 17 parts of propylene glycol adipate polyester, 14 parts of zeolite powder, and potassium tetraborate according to parts by weight. 10 parts, 9 parts of dehydroacetic acid, 7 parts of lanthanum oxide, 6 parts of polyethylene wax powder, 5 parts of vaseline, 5 parts of coix seed oil, 3 parts of methyl ethyl ketoxime, 4 parts of dioctyl adipate, isopropyl 4 parts of trioleic acid acyloxy titanate.

[0031] (1) Put phenolic resin, water-soluble dextran, polyvinyl alcohol, tributyl citrate, and propylene glycol adipate polyester into a constant temperature water bath, add polyethylene glycol of equal mass, and react at constant temperature for 3 hours. Centrifuge after discharge, wash the separated mixture twice with absolute ethanol, and then dry it in a vacuum oven for 5 hours to obtain a pretreatment mixture;

[0032] (2) Grind and...

Embodiment 3

[0037]Accurately weigh 50 parts of phenolic resin, 45 parts of water-soluble dextran, 40 parts of polyvinyl alcohol, 35 parts of tributyl citrate, 20 parts of propylene glycol adipate polyester, 16 parts of zeolite powder, and potassium tetraborate according to parts by weight. 12 parts, 10 parts of dehydroacetic acid, 8 parts of lanthanum oxide, 7 parts of polyethylene wax powder, 6 parts of vaseline, 6 parts of coix seed oil, 4 parts of methyl ethyl ketoxime, 5 parts of chlorinated paraffin, distearoyl oxide 5 parts of isopropoxy aluminate.

[0038] (1) Put phenolic resin, water-soluble dextran, polyvinyl alcohol, tributyl citrate, and propylene glycol adipate polyester into a constant temperature water bath, add polyethylene glycol of equal mass, and react at constant temperature for 3 hours. Centrifuge after discharge, wash the separated mixture twice with absolute ethanol, and then dry it in a vacuum oven for 5 hours to obtain a pretreatment mixture;

[0039] (2) Grind a...

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PUM

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Abstract

The invention discloses a waterproof air-permeable packaging film material and a preparation method thereof. The waterproof air-permeable packaging film material is prepared by using a phenolic resin, water-soluble glucan, polyvinyl alcohol and tributyl citrate as the main components and adding polypropylene glycol adipate, vaseline, coix seed oil, zeolite powder, potassium tetraborate, dehydroacetic acid, lanthanum oxide, polyethylene wax powder, methyl ethyl ketone oxime, a plasticizer and a coupling agent. The preparation method comprises the following steps: thermostatic water bath treatment, centrifugal separation, vacuum drying, grinding refinement, microwave treatment, compounding, plasticizing, melt extrusion, hot pressing and the like. The waterproof air-permeable packaging film material has the advantages of excellent waterproofness, excellent air permeability and high physical strength, can satisfy the industrial requirements, and has favorable application prospects.

Description

technical field [0001] The invention relates to the field of packaging materials, in particular to a waterproof and breathable packaging film material and a preparation method thereof. Background technique [0002] Packaging materials refer to the materials used to make packaging containers, packaging decoration, packaging printing, packaging and transportation to meet product packaging requirements, including metal, plastic, glass, ceramics, paper, bamboo, wild mushrooms, natural fibers, Main packaging materials such as chemical fibers and composite materials, and auxiliary materials such as coatings, adhesives, strapping tapes, decorations, and printing materials. Among the main packaging materials, paper packaging materials, plastic packaging materials, metal packaging materials and glass packaging materials are the most widely used categories. [0003] With the rapid development of the economy, the environmental pollution caused by industrialization is also increasing. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L61/06C08L5/02C08L29/04C08L23/06C08L67/02C08K13/06C08K9/00C08K5/11C08K3/34C08K3/38C08K3/22
CPCC08L61/06C08J5/18C08J2305/02C08J2361/06C08J2405/02C08J2429/04C08J2461/06C08K2201/014C08L5/02C08L2203/16C08L2205/02C08L2205/025C08L2205/035C08L29/04C08L23/06C08L67/02C08K13/06C08K9/00C08K5/11C08K3/34C08K2003/387C08K2003/221
Inventor 费永妹
Owner 苏州缔绿电子科技有限公司
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