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Photo-degradable full-plastic water-emulsion-based paste substance soft-tube packaging material

A packaging material, photodegradation technology, applied in the direction of hose, pipe, pipe/pipe joint/pipe fitting, etc., can solve the problems of difficult degradation of the hose, rising processing cost, high energy consumption, etc., to achieve good compatibility, Easy to recycle and reuse

Inactive Publication Date: 2005-05-04
于志文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the hose packaging materials used for water-emulsion-based pastes that are widely used in the market generally use aluminum-plastic composite and all-plastic multi-layer co-extruded composite materials, such as toothpaste, cosmetics, dairy foods, etc., but the above-mentioned The following problems exist in the processing of multi-layer composite materials: a variety of equipment and materials are required, energy consumption is high, and processing costs increase; and hoses are difficult to degrade after being used and discarded, causing environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] Get 47 kg of polyethylene resin, 9 kg of modified calcium carbonate, 6 kg of ethylene-vinyl acetate copolymer resin, 5 kg of titanium dioxide, 5 kg of photodegradation aids, 2 kg of polyethylene wax, and 4 kg of titanate coupling agent , 1 kg of auxiliary coupling agent, 5 kg of paraffin, 5 kg of zinc stearate, 8 kg of modified magnesium carbonate, 1 kg of fluorescent whitening agent, 1 kg of liquid paraffin, 1 kg of ethylene bis stearamide, at high Under low temperature and full stirring, put it into a 1:48 twin-screw extruder. Under the shearing action of the twin-screw extruder and the interface stabilization of compatible polymers at 180°C-190°C, the polymers are first dispersed Form a stable near-spherical multi-microphase structure, and then under the orientation and stretching of the die and rollers of the calender, a multi-microlayer lamellar structure is formed, and the layers alternate to form a unique microscopic layered composite structure. It can significan...

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Abstract

The invention relates to a kind of photodegradable plastic water milk-group paste-form substance for hose package material. The features of the invention lie in compositions and weight percentage constructions as follows: polyethylene resin 45-60%, modified calcium carbonate 5-15%, ethylene-vinyl acetate copolymerization resin 2-11%, titanium white powder 3-9%, photodegradation auxiliary 2-7%, polyethylene wax 1-4%, titanate coupling agent 3-5%, coupling auxiliary 0.3-2%, paraffin 2-6%, zinc stearate 3-6%, modified magnesium carbonate 5-15%, fluorescent brightener 0.3-2%, liquid paraffin 0.8-3%, and ethylenebisstearamide 0.3-2%. The advantages of the invention are as follows: resistance to tearing, obstructing ability, heat sealability, and compatibility containing it are all perfect; it is plastic components with no aluminium; it is easy for reclaiming and repeated usefulness; and also it can degrade quickly in conditions of natural light, oxygen, and heat.

Description

technical field [0001] The invention relates to a hose packaging material, in particular to a hose packaging material for a photodegradable all-plastic water emulsion-based paste substance. Background technique [0002] At present, the hose packaging materials used for water-emulsion-based pastes that are widely used in the market generally use aluminum-plastic composite and all-plastic multi-layer co-extruded composite materials, such as toothpaste, cosmetics, dairy foods, etc., but the above-mentioned The following problems exist in the processing of multi-layer composite materials: a variety of equipment and materials are required, energy consumption is high, and processing costs increase; and hoses are difficult to degrade after being used and discarded, causing environmental pollution. Contents of the invention [0003] The purpose of the present invention is to solve the problems existing in the tube packaging material used in the water-emulsion-based paste used in l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K5/20C08L23/06F16L11/04
Inventor 于志文
Owner 于志文
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