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Biodegradable material and preparation method and application thereof

A biodegradable material and bio-based technology, applied in the field of bio-based degradable materials and their preparation, can solve the problems of depletion of petroleum resources and achieve the effects of improving degradation efficiency, good dispersion, and improving tensile strength

Active Publication Date: 2017-11-28
浙江苏达山新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the other hand, traditional plastics use petroleum as a raw material, which is a non-renewable resource, and with the extensive use of human beings, petroleum resources will be exhausted

Method used

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  • Biodegradable material and preparation method and application thereof

Examples

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preparation example Construction

[0068] As a preferred technical solution of the present invention, the preparation method of the modified cyclodextrin at least comprises the following steps:

[0069] a. Take natural plant fibers, put them in a container, and swell with dilute sodium hydroxide solution. The mass ratio of natural plant fibers to dilute sodium hydroxide solution is 1:30, and the concentration of dilute sodium hydroxide solution is 0.15mol / L. The swelling time is 1h; add epichlorohydrin and sodium hydroxide solution to the swollen natural plant fiber, the mass ratio of natural plant fiber, epichlorohydrin and sodium hydroxide solution is 1:45:60, sodium hydroxide The concentration of the solution is 1mol / L, and the container is put into a constant temperature water bath shaker to react for 3 hours, the reaction temperature is 40°C, the sodium hydroxide and unreacted epichlorohydrin are removed, and the epoxidized cellulose is obtained by drying;

[0070] b. Take 4,4'-dihydroxybenzophenone, epich...

Embodiment 1

[0105] This embodiment 1 provides a bio-based degradable material, which at least includes:

[0106] carrier: 100,

[0107] Bio-based materials: 10,

[0108] Compatibilizer: 5,

[0109] Photodegradant: 1,

[0110] Filling: 5,

[0111] Auxiliary: 0.01;

[0112] The carrier is polypropylene purchased from Yueyang Xingchang Petrochemical Co., Ltd., the brand is XD-045; the bio-based material is corn starch; the compatibilizer is glycidyl methacrylate and modified Cyclodextrin mixture, wherein the mass ratio of glycidyl methacrylate and modified cyclodextrin is 1:0.1; the photodegradant is anatase TiO 2 ; The filler is talcum powder; The auxiliary agent is the initiator benzoyl peroxide.

[0113] The preparation method of described modified cyclodextrin at least comprises the following steps:

[0114] a. Take natural plant fibers, put them in a container, and swell with dilute sodium hydroxide solution. The mass ratio of natural plant fibers to dilute sodium hydroxide solut...

Embodiment 2

[0121] This embodiment 2 provides a bio-based degradable material, which at least includes:

[0122] carrier: 100,

[0123] Bio-based materials: 50,

[0124] Compatibilizer: 20,

[0125] Photodegradants: 12,

[0126] Filling: 20,

[0127] Auxiliary: 5;

[0128] The carrier is polypropylene purchased from Yueyang Xingchang Petrochemical Co., Ltd., the brand is XD-045; the bio-based material is potato starch; the compatibilizer is glycidyl methacrylate and modified Cyclodextrin mixture, wherein the mass ratio of glycidyl methacrylate and modified cyclodextrin is 1:0.1; the photodegradant is anatase TiO 2; The filler is talcum powder; The auxiliary agent is the initiator benzoyl peroxide.

[0129] The preparation method of the modified cyclodextrin is the same as in Example 1.

[0130] The cyclodextrin is gamma-cyclodextrin, and the natural plant fiber is straw fiber.

[0131] The preparation method of the bio-based degradable material is the same as in Example 1.

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Abstract

The invention relates to the field of biodegradable materials, in particular to a biodegradable material and a preparation method and application thereof. The biodegradable material at least comprises the following components in parts by weight: 100 parts of a carrier, 10-50 parts of a bio-based material, 5-20 parts of a compatilizer, 1-12 parts of a photodegradation agent, 5-20 parts of a filler and 0.01-5 parts of an aid, wherein the carrier is polyolefin resin; the bio-based material is any one or more of starch and natural plant fibers; the compatilizer is a mixture of glycidyl methacrylate and modified cyclodextrin, wherein the mass ratio of glycidyl methacrylate to modified cyclodextrin is 1:(0.1-1); the photodegradation agent is any one or more of anatase TiO2, a benzophenone compound, a transition metal compound or complex and rare earth carboxylate; and the aid is any one or more of an initiator, a plasticizer, a slipping agent, a dispersant and styrene.

Description

technical field [0001] The present invention relates to the field of bio-based degradable materials, more specifically, to bio-based degradable materials and their preparation methods and applications. Background technique [0002] In today's society, a large number of plastic products that are not easy or non-degradable are used and discarded, which seriously pollutes the environment. In recent years, due to the increasingly serious "white pollution" caused by waste plastics that are difficult to degrade, it has attracted widespread attention from all over the world. Countries around the world have successively issued relevant laws and regulations restricting or prohibiting the use of non-degradable plastic packaging. On the other hand, traditional plastics use non-renewable resource petroleum as raw material, and with the massive use of human beings, petroleum resources will be exhausted. Therefore, it is imminent to develop degradable and environmentally friendly materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L3/02C08L97/02C08L1/02C08L5/16C08K3/22C08K3/34C08K5/098
CPCC08L23/12C08L2201/06C08K2003/2241C08L2205/035C08L2205/16C08L3/02C08L5/16C08K3/22C08K3/34C08L97/02C08L1/02C08K5/098
Inventor 陈仁琦
Owner 浙江苏达山新材料有限公司
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