High-tensile-strength full-biodegradation garbage bag production process

A technology with high tensile strength and production process, which is applied in the field of high tensile strength fully biodegradable garbage bag production process, can solve the problems of mechanical property degradation and achieve the effect of high tensile strength and easy degradation of tensile strength

Inactive Publication Date: 2018-05-08
苏州星火丰盈环保包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because starch contains too many hydrophilic hydroxyl groups, it is difficult to combine with hydrophobic polyester plastics, resulting in a decrease in mechanical properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0026] A high tensile strength full biodegradable garbage bag production process, comprising the following steps:

[0027] S01, the starch is processed in a high-speed mixer with a coupling agent after drying, and then put into an oven to dry again;

[0028] S02, putting PLA and PBAT into a vacuum oven for drying;

[0029] S03, mixing the coupled starch obtained after drying in S01 and the PLA and PBAT obtained after drying in S02;

[0030] S04, adding the mixed particles obtained in S03 to a twin-screw extruder for extrusion granulation;

[0031] S05, vacuum drying the pellets obtained in S04;

[0032] S06, adding the pellets obtained by drying in S05 to blow molding in a garbage bag film blowing machine;

[0033] S07, cooling and pressing the plastic film obtained in S05;

[0034] S08, join the bag making machine to produce the required products.

[0035] In S01, the drying temperature of starch is 110°C, and the drying time is 24h.

[0036] In S02, the drying temperat...

specific Embodiment 2

[0043] A high tensile strength full biodegradable garbage bag production process, comprising the following steps:

[0044] S01, the starch is processed in a high-speed mixer with a coupling agent after drying, and then put into an oven to dry again;

[0045] S02, putting PLA and PBAT into a vacuum oven for drying;

[0046] S03, mixing the coupled starch obtained after drying in S01 and the PLA and PBAT obtained after drying in S02;

[0047] S04, adding the mixed particles obtained in S03 to a twin-screw extruder for extrusion granulation;

[0048] S05, vacuum drying the pellets obtained in S04;

[0049] S06, adding the pellets obtained by drying in S05 to blow molding in a garbage bag film blowing machine;

[0050] S07, cooling and pressing the plastic film obtained in S05;

[0051] S08, join the bag making machine to produce the required products.

[0052] In S01, the drying temperature of starch is 120°C, and the drying time is 24h.

[0053] In S02, the drying temperat...

specific Embodiment 3

[0060] A high tensile strength full biodegradable garbage bag production process, comprising the following steps:

[0061] S01, the starch is processed in a high-speed mixer with a coupling agent after drying, and then put into an oven to dry again;

[0062] S02, putting PLA and PBAT into a vacuum oven for drying;

[0063] S03, mixing the coupled starch obtained after drying in S01 and the PLA and PBAT obtained after drying in S02;

[0064] S04, adding the mixed particles obtained in S03 to a twin-screw extruder for extrusion granulation;

[0065] S05, vacuum drying the pellets obtained in S04;

[0066] S06, adding the pellets obtained by drying in S05 to blow molding in a garbage bag film blowing machine;

[0067] S07, cooling and pressing the plastic film obtained in S05;

[0068] S08, join the bag making machine to produce the required products.

[0069] In S01, the drying temperature of starch is 130°C, and the drying time is 24h.

[0070] In S02, the drying temperatur...

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PUM

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Abstract

The invention discloses a high-tensile-strength full-biodegradation garbage bag production process. The process includes the following steps of S01, drying starch and processing the starch through a coupling agent in a high-speed mixer, and putting the starch in an oven to be dried again; S02, putting PLA and PBAT in a vacuum drying box to be dried; S03, stirring and mixing the starch dried and coupled in the step S01 and the PLA and PBAT dried in the step S02; S04, adding mixed particles obtained in the step S03 into a twin-screw extruder to be extruded and granulated; S05, conducting vacuumdrying on granules obtained in the step S04; S06, adding the granules dried in the step S05 into a garbage bag film blowing machine for blow molding; S07, conducting cooling and side pressing on plastic films obtained in the step S05; S08, adding the plastic films into a bag machine to produce required products. By means of the process, starch can be modified, and the produced garbage bags are high in tensile strength and easy to degrade.

Description

technical field [0001] The invention relates to a production process of high tensile strength fully biodegradable garbage bags. Background technique [0002] In recent years, the problem of environmental pollution and energy shortage has become more and more serious. Both academia and industry are seeking environmentally friendly green materials that can be recycled to replace petroleum-based materials, which can significantly reduce the dependence on increasingly scarce petroleum resources and benefit Sustainable development; Among them, polyester biodegradable polymer materials have attracted much attention. Polyester biodegradable polymer materials are made of various natural animals, plants and renewable resources. They have the advantages of being renewable, degradable, environmentally friendly and biocompatible, and have extremely broad development and application prospects. [0003] Among the many biodegradable polymers that have been paid attention to, polylactic ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L67/02C08L3/04C08J5/18
CPCC08J5/18C08J2367/04C08J2403/02C08J2467/02
Inventor 缪磊孙建军邱丰
Owner 苏州星火丰盈环保包装有限公司
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