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A kind of bamboo shoot shell fiber/PE degradable composite material and preparation method thereof

A composite material and bamboo shoot shell technology, applied in the field of bamboo shoot shell fiber/PE degradable composite material and its preparation, can solve problems such as environmental pollution, fresh bamboo shoot shell rot, etc., to solve environmental pollution problems, increase added value, and improve production process simple clean effect

Inactive Publication Date: 2011-12-14
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The remaining fresh and tender bamboo shoot shells after processing bamboo shoots are an important untapped resource, and when the fresh bamboo shoots are on the market, they are in the rainy season, and they are piled up in large quantities, and the fresh bamboo shoot shells rot quickly, causing environmental pollution

Method used

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  • A kind of bamboo shoot shell fiber/PE degradable composite material and preparation method thereof
  • A kind of bamboo shoot shell fiber/PE degradable composite material and preparation method thereof
  • A kind of bamboo shoot shell fiber/PE degradable composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 30 parts of bamboo shoot shell powder (average particle size 40 mesh, water content less than 2%) and 1.0 part of silane coupling agent KH-550 were mixed at 100°C for 5 minutes, and the bamboo shoot shell powder was modified to make the silane coupling agent fully Evenly distribute on the surface of bamboo shoot shell powder.

[0029] Disperse the above-mentioned bamboo shoot shell fiber, 70 parts of PE, 10 parts of polyacrylate, 5 parts of simethicone, 10 parts of talc powder and functional additives in a high-speed kneader at a speed of 1000 rpm, at a temperature of 60 °C and for 10 minutes to produce premix.

[0030] The above-mentioned premixed material is granulated by a twin-screw extruder and extruded through a mold. The screw speed of the extruder is 200rpm, the temperature of the barrel is 170°C, the temperature of the mold is 160°C, and the exhaust vacuum negative pressure is -0.08Mpa. The bamboo shoot shell fiber / PE degradable composite material is obtained....

Embodiment 2

[0033] 30 parts of bamboo shoot shell powder (average particle size 50 mesh, water content less than 2%) and 1.0 part of silane coupling agent KH-560 were mixed at 100°C for 5 minutes, and the bamboo shoot shell powder was modified to make the silane coupling agent fully Evenly distribute on the surface of bamboo shoot shell powder.

[0034] Disperse the above-mentioned bamboo shoot shell fiber, 70 parts of PE, 15 parts of maleic anhydride modified polypropylene, 6 parts of polyethylene wax, 15 parts of talc powder and functional additives in a high-speed kneader at a speed of 800 rpm, a temperature of 55°C, and a time of 15 minutes , to make a premix.

[0035] The above premixed material is granulated by a twin-screw extruder and extruded through a mold. The screw speed of the extruder is 180rpm, the barrel temperature is 180°C, the mold temperature is 170°C, and the exhaust vacuum negative pressure is -0.05Mpa. The bamboo shoot shell fiber / PE degradable composite material w...

Embodiment 3

[0037] 30 parts of bamboo shoot shell powder (average particle size 60 mesh, water content less than 2%) and 1.0 part of silane coupling agent KH-570 were mixed at 100°C for 5 minutes, and the bamboo shoot shell powder was modified to make the silane coupling agent fully Evenly distribute on the surface of bamboo shoot shell powder.

[0038] Disperse the above-mentioned bamboo shoot shell fiber, 70 parts of PE, 18 parts of chlorinated polyethylene, 8 parts of paraffin, 18 parts of calcium carbonate and functional additives in a high-speed kneader at a speed of 1200 rpm, a temperature of 60 ° C, and a time of 8 minutes to make a premix material.

[0039] The above premixed material is granulated by a twin-screw extruder and extruded through a mold. The screw speed of the extruder is 190rpm, the barrel temperature is 150°C, the mold temperature is 180°C, and the exhaust vacuum negative pressure is -0.06Mpa. The bamboo shoot shell fiber / PE degradable composite material was obtai...

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Abstract

A bamboo shoot shell fiber / PE degradable composite material, comprising the following components in parts by weight: 40-80 parts of PE, 20-60 parts of bamboo shoot shell fiber, 10-30 parts of inorganic filler, 1-8 parts of silane coupling agent, 10-20 parts of compatibilizer, 5-10 parts of lubricant, and 1-10 parts of functional additive. According to the above proportions, it is firstly dispersed in a high-speed kneader, and then kneaded by a twin-roll mixer or extruded by a twin-screw extruder to obtain the bamboo shoot shell fiber / PE degradable composite material.

Description

1. Technical field [0001] The invention relates to a wood-plastic composite material and a preparation method thereof, in particular to a bamboo shoot shell fiber / PE degradable composite material and a preparation method thereof. 2. Background technology [0002] In recent years, with the increasing depletion of energy and resources and the deterioration of the ecological environment, many new materials have emerged. Wood-plastic composite materials are one of the new composite materials with broad development and application prospects. This is mainly manifested in the fact that wood-plastic composites have the dual characteristics of wood and plastic. On the one hand, it has the processability similar to wood, and can be sawed, nailed, and bonded; the surface is easy to decorate, and can be sprayed, painted, and laminated; it is biodegradable, and provides a good solution for dealing with plastic waste and reducing white pollution. A practical and feasible approach is bene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L97/02C08K13/02B29C47/92B29C48/92
Inventor 王华林褚红亮王继植翟林峰
Owner HEFEI UNIV OF TECH
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