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Bamboo powder coated paper

A technology of coated paper and bamboo powder, applied in the field of coated paper, can solve the problems of poor mechanical properties and thermal stability, high price, etc., achieve a wide market prospect, improve low strength, improve bending strength and flexural modulus

Inactive Publication Date: 2020-09-29
福建益百利包装材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the biggest obstacle to the promotion of biodegradable plastics is high price, poor mechanical properties and thermal stability. It can be seen that low cost and high performance are the keys to promote the wide application of degradable plastics

Method used

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  • Bamboo powder coated paper

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Comparison scheme
Effect test

Embodiment 1

[0016] A kind of bamboo powder coating paper, described coating paper comprises base paper and coating layer, the preparation composition of described coating layer comprises bamboo powder and degradable plastic; The composition of described degradable plastic comprises polylactic acid, polybutylene Butylene glycol ester, copolymer with butylene adipate and butylene terephthalate.

[0017] The preparation ingredients of the coating layer include by weight percentage: 20% polylactic acid, 20% polybutylene succinate, 40% copolymer with butylene adipate and butylene terephthalate. % and bamboo powder 20%.

[0018] The preparation method of the bamboo-plastic composite material corresponding to the coating liquid in the present embodiment comprises the following steps:

[0019] 1) Put the bamboo powder in a drying oven at 100 °C for 24 h;

[0020] 2) Then put the three kinds of degradable plastic particles and bamboo powder into the internal mixer and mix for 10 minutes, the tem...

Embodiment 2

[0023] A kind of bamboo powder coating paper as described in embodiment 1, wherein coating layer can also adopt following scheme:

[0024] The preparation ingredients of the coating layer include by weight percentage: 15% of polylactic acid, 25% of polybutylene succinate, and a copolymer of butylene adipate and butylene terephthalate 35%% and bamboo powder 25%, other raw materials 0%.

Embodiment 3

[0026] A kind of bamboo powder coating paper as described in embodiment 1, wherein coating layer can also adopt following scheme:

[0027] The preparation ingredients of the coating layer include by weight percentage: 25% polylactic acid, 15% polybutylene succinate, 45% copolymer with butylene adipate and butylene terephthalate. % and bamboo powder 15%, other raw materials 0%.

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Abstract

The invention provides a bamboo powder coated paper. The coated paper comprises raw paper and a composite coated material; the composite coated material comprises a coated layer, and the preparation components of the coated layer comprise bamboo powder and degradable plastic; the degradable plastic is prepared from polylactic acid, poly(butylene succinate) and a copolymer of butylene adipate and butylene terephthalate. The bamboo powder and the degradable plastic including polylactic acid (PLA), polybutylene succinate (PBS) and the copolymer (PBAT) of butylene adipate and butylene terephthalate are used as main raw materials, and undergo processes of blending, extrusion or pressing and the like to prepare the composite material. The coated film obtained from the material prepared in the invention is water-proof and oil-proof, overcomes the defects of low variability, low strength and the like of bamboo, has the excellent characteristics of low water absorptivity, easiness in regeneration and recovery, corrosion resistance and the like, and has a wide market prospect.

Description

technical field [0001] The invention relates to the field of coated paper, in particular to the biodegradation technology of coated paper. Background technique [0002] At present, the biggest obstacle to the promotion of biodegradable plastics is high price, poor mechanical properties and thermal stability. It can be seen that low cost and high performance are the keys to promote the wide application of degradable plastics. [0003] However, degradable modified polymers have rapidly become the biodegradable plastics with the most potential for promotion and use due to their relatively low price, wide range of uses, and good processing performance, heat resistance, and mechanical properties. [0004] On the other hand, the inventors found that bamboo powder is rich in resources, low in price, and has degradability and renewability. Using it to fill modified plastics will not only reduce the material cost, but also retain the degradability and reproducibility of the material....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/14D21H19/24D21H19/28D21H17/02B29B7/18B29B7/28B29B7/82B29B9/02
CPCB29B7/183B29B7/28B29B7/823B29B9/02D21H17/02D21H19/14D21H19/24D21H19/28
Inventor 林荣杰林晓彤
Owner 福建益百利包装材料有限公司
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