Method for preparing attapulgite-based biodegradable plastic

A technology for attapulgite and degradable plastics, applied in the field of biodegradable plastics, can solve the problems of high price, high production cost, poor mechanical properties, etc., and achieve the effects of less by-products, good thermal properties, and accelerated material circulation

Pending Publication Date: 2021-08-06
深圳市刚塑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the context of plastic restrictions, the production capacity of biodegradable plastics has expanded rapidly in recent years, and biodegradable plastics have great development prospects. However, biodegradable plastics are currently expensive, and polylactic acid (PLA) is as high as 26,000-30,000 yuan / Ton
Therefore, it solves the shortcomings of traditional biodegradable plastics, such as high production cost and poor mechanical properties

Method used

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  • Method for preparing attapulgite-based biodegradable plastic
  • Method for preparing attapulgite-based biodegradable plastic
  • Method for preparing attapulgite-based biodegradable plastic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1. Pour the embossing stone with 3-aminopropyltriethoxysilane 1: 100 into the beaker, stirred at 50 ° C for 6 hours, then filtered, dried, and ground, and then functionally modified and actuated; 10.0 G functionalized modified refropab, 1 g starch biological polymer material, 1 gtiO2 photocatalytic material added to 50 mL of deionized water, mixed 60 min, vacuum filtration, and dried under the obtained filter residue vacuum drying for 12 h to obtain starch / TiO2 / change Decorative revenue composite powder is obtained by treating a dilot composite material, grinding, and sieve.

[0028] 2. The obtained functionalized modified dipper composite powder 10g and 100 g of polylactic acid high polymer material; 100 GPLA is added to the mesh for 2 min, then 10g functionally modified recess composite powder is blended for 5 min. To make 10% biodegradable modified masterbatch.

[0029] 3. The resulting 10% biodegradable modified masterbatch is entered into the injection molding mach...

Embodiment 2

[0037] 1. Filter, dry, dry, and ground after 2.5 mol / L hydrochloric acid, and then functionally modified reforiental stone; 10.0 g of functionalized modified concave-resistant stone, 1 g of cellulose bio-polymer material, 1 g of a tin oxide photocatalytic material was added to 50 ml of deionized water to mix 60 min and vacuum filtration, and the obtained filter residue vacuum drying box was dried 12 h to obtain cellulose / tin oxide / modified dipped material, grinding, sieve Treatment, that is, the functionalized modified recess composite powder is obtained.

[0038] 2. The obtained functionalized modified dipper composite powder 10g and 100 g of polylactic acid high polymer material; 100 GPLA is added to the mesh for 2 min, then 10g functionally modified recess composite powder is blended for 5 min. To make 10% biodegradable modified masterbatch.

[0039] 3. The resulting 10% biodegradable modified masterbatch is entered into the injection molding machine, and the granulation ...

Embodiment 3

[0044] 1. Differentially modified relevancestone stone after gas treatment after 150 ° C; 5G functionally modified refropab stone, 1 g lignin biometric material, 1 g of zinc oxide photocatalytic material to 100 ml After stirring in deionized water, mixed 60 min and vacuum filtration, dried under the obtained filter residue vacuum drying case to obtain a lignin / zinc oxide / modified dipping composite material, grinding, sieve, and other step processing, i.e., a functional modified concave Soil complex powder.

[0045] 2. 10 g of the obtained functionalized modified dipper compound powder was added to the beaker with 100 g pva. Distilled water was added, stirred at room temperature under magnetic stirring for 6 h to 24 h, and the solution was splitted and passed on.

[0046]3. Pour the modified dipper / polymer solution into the mold, naturally evaporate 24 h at room temperature, and remove a large amount of water.After drying at 50 ° C for 24 h, it was dried in vacuo at 100 ° C f...

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Abstract

The invention belongs to the field of biodegradable plastics, and discloses a method for preparing attapulgite-based biodegradable plastics from a natural attapulgite-loaded biopolymer material and a photocatalytic material. Natural attapulgite is subjected to functionalization treatment to serve as a carrier, a biological polymer material and a photocatalytic material are adsorbed through a physical/chemical method, modified attapulgite composite powder is prepared, the modified attapulgite composite powder and biodegradable plastic powder are blended to prepare a modified master batch, and the attapulgite-based biodegradable plastic which is low in cost, good in mechanical property and high in degradation rate is prepared through processing and forming. The attapulgite-based biodegradable plastic prepared by the method has the characteristics of good mechanical property, low cost, high biological decomposition rate and the like, can be applied to replace traditional non-degradable plastic, and provides a new way for solving the problem of white pollution.

Description

Technical field [0001] The present invention belongs to the field of biodegradable plastics, and more particularly to a method of preparing a concave-resistant stone-based biodegradable plastic. Background technique [0002] Confucius stone is a unique layer of aqueous magnesium aluminosilicate mineral, which can be used as a needle or fibrous nano-filler. The single crystal internal pore structure and the huge specific area give it excellent adsorption function, which is widely used for adsorbents, catalysts, and carriers, while cost is low, good adsorption performance. Biological polymer materials are natural polymers, with non-toxic, high source, low price, and can be characterized by microbial degradation. In the context of the restriction order, the biodegradable plastic production can expand rapidly in recent years, and the biological degradable plastics has great development prospects, but the current biodegradable plastic is expensive, and the polylactic acid (PLA) is as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L3/02C08K9/06C08K3/34C08K3/22C08K9/12C08L1/02C08K9/02C08L29/04C08L97/00C08K9/00
CPCC08K2003/2231C08K2003/2241C08K2003/2296C08L29/04C08L67/04C08L2201/06C08L3/02C08K9/06C08K3/346C08K3/22C08K9/12C08L1/02C08K9/02C08L97/005C08K9/00
Inventor 闵永刚卢小闯刘屹东
Owner 深圳市刚塑科技有限公司
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