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Biodegradable material and preparation method and use thereof

A biodegradable material and degradable film technology, applied in the field of polymer materials, can solve the problems of thermoplasticity, poor melt strength and ductility, and achieve the effects of good flexibility, good flexibility, and scientific ingredients.

Inactive Publication Date: 2016-01-27
邓铁军 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For this reason, the technical problem to be solved by the present invention lies in the problems of poor thermoplasticity, melt strength and ductility of the degradable materials used in the prior art to prepare film containers, and then provide a biodegradable material and its preparation method and in the preparation Uses in film containers

Method used

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  • Biodegradable material and preparation method and use thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The biodegradable material described in this embodiment is made of the following components: polylactic acid 10kg, PBAT 55kg, talcum powder 35kg, acetyl tributyl citrate 3kg, 2,2-methylenebis(4-methyl-6-tert Butylphenol) 0.3kg, carbodiamine 0.5kg, polymeric epoxy functional group compound, ethylene bis stearic acid amide 0.8kg, vinyl acetate polyester compound 0.8kg, polyethylene glycol resin grafted GMA copolymer 0.7kg, stearic acid 0.5kg, ethylene bis stearic acid amide 0.5kg, epoxy soybean oil 0.3kg.

[0032] Add the talc powder into the high-speed mixer for mixing, the running time is 10-20 minutes, the speed of the high-speed mixer is 280-320 rpm, and the temperature inside the machine is 95-120°C; (Note: it is also possible not to dry) the talc After the powder is dried, put it into the cooling mixer. The speed of the cooling mixer is 300-600 rpm to cool the material below 40°C, and add polylactic acid, PBAT and various additives, and add it to a high-speed mixer ...

Embodiment 2

[0035] The biodegradable material described in this embodiment is made of the following components: 35kg of polylactic acid, 55kg of PBAT, 10kg of talcum powder, 0.8kg of vinyl acetate polyester compound, 0.7kg of polyethylene glycol grafted AGM copolymer, polyhydrazide Imine graft reactive epoxy functional compound 0.8kg, tributyl citrate 1.5kg, 2,2-methylenebis(4-methyl-6-tert-butylphenol) 0.3kg, carbodiamine 0.5kg, 0.5kg of ethylene bis stearic acid amide, 0.5kg of stearic acid, 0.3kg of epoxy soybean oil.

[0036] Add the talc powder into the high-speed mixer for mixing, the running time is 10-20 minutes, the speed of the high-speed mixer is 280-320 rpm, and the temperature inside the machine is 95-120°C; (Note: it is also possible not to dry) the talc After the powder is dried, put it into the cooling mixer. The speed of the cooling mixer is 300-600 rpm to cool the material below 40°C, and add polylactic acid, PBAT and various additives, and add it to a high-speed mixer f...

Embodiment 3

[0039]The biodegradable material described in this embodiment is prepared from the following components by weight: polylactic acid 5kg, calcium carbonate 40kg, PBAT 10kg, and auxiliary agent 12.6kg; the auxiliary agent includes: polyethylene glycol ester grafted GMA Copolymer 2.2kg, tributyl citrate 2.5kg, tripentyl citrate 2.5kg, polymeric epoxy functional group compound (polyhydrazide imine graft reactive epoxy functional group compound) 1.5kg, 2,2- Methylenebis(4-methyl-6-tert-butylphenol) 0.5kg, vinyl acetate polyester compound 2.0kg, carbodiamine 0.4kg, isocyanate 0.2kg, stearic acid 0.3kg, oleic acid 0.5kg .

[0040] Add calcium carbonate into the high-speed mixer for mixing, the running time is 10-20 minutes, the speed of the high-speed mixer is 280-320 rpm, and the temperature inside the machine is 95-120°C; After the powder is dried, put it into the cooling mixer. The speed of the cooling mixer is 300-600 rpm to cool the material below 40°C, and add polylactic acid, ...

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Abstract

The present invention belongs to the field of polymer materials, and in particular relates to a biodegradable material, a preparation method and use thereof in preparation of a film container. The biodegradable material is prepared from the following components in parts by weight: 5 to 40 parts of polylactic acid, 5-40 parts of inorganic powder, 10-60 parts of PBAT, and 0.2-12.6 parts of an aid. The biodegradable material is prepared from good biodegradable polylactic acid and PBAT recycled materials and second line materials as main components with a large amount of inorganic powder and a plurality of finely-selected additives, physical and chemical modification are performed by mixing, molecular structure modification and self-combination and compounding are performed, and application performance is improved to achieve the characteristics of water resistance, oil resistance, leakage resistance, high impact resistance, strong rigidity, and good flexibility and achieve the performance of traditional plastics, cost is greatly reduced, and the biodegradable material is an ideal alternative of the traditional plastics.

Description

technical field [0001] The invention belongs to the field of polymer materials, and in particular relates to a biodegradable material, its preparation method and its use in preparing film containers. Background technique [0002] With the rapid development of the plastic industry, plastic film containers are also widely used. While bringing great convenience to agriculture, forestry, and large-scale flower seedlings, they also bring serious white pollution to nature. The environment is facing a severe test. Traditional plastic film containers cannot be biodegraded after use, so they can only be disposed of by incineration. The toxic gases produced by incineration cause serious pollution to the air and the environment. With the increasing awareness of green environmental protection in the world, people began to regulate the use of plastic products, and countries around the world have also introduced relevant "plastic limit" regulations. plastic material. [0003] Biodegrad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L67/02C08L31/04C08L51/08C08K13/02C08K3/34C08K3/26C08K5/11C08K5/13C08K5/09C08K5/20C08K5/1515B29C47/92B29C48/92
Inventor 邓铁军陈再荣
Owner 邓铁军
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