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A kind of cellulose polyester composite material and preparation method thereof

A polyester composite material and composite material technology, applied in the field of cellulose polyester composite materials, can solve the problems that limit the wide application of polylactic acid, achieve broad market prospects and development potential, reduce energy consumption, and reduce prices

Active Publication Date: 2022-08-02
安徽丰原生物新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the high cost of polylactic acid limits the wide application of polylactic acid to a certain extent.

Method used

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  • A kind of cellulose polyester composite material and preparation method thereof
  • A kind of cellulose polyester composite material and preparation method thereof
  • A kind of cellulose polyester composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] The present embodiment provides a cellulose polyester composite material, and the preparation raw materials of the composite material are composed of the following raw materials in parts by weight:

[0054] Biodegradable polyester 55 parts

[0055] Microcrystalline Cellulose 45 servings

[0056] Antioxidant Epoxidized Soybean Oil 2 parts

[0057] Plasticizer acetyl tributyl citrate 4 parts

[0058] Coupling agent KH560 0.5 part

[0059] Compatibilizer ADR4468 0.5 parts.

[0060] Wherein, the biodegradable polyester is a blend system made of the following raw materials by weight: 98 parts of PLA and 2 parts of PBAT. Among them, PLA is L-polylactic acid (PLLA), with an optical purity of 98.5%, a weight average molecular weight (ie relative molecular weight) of 130,000, and a melt flow index of 12.0g / 10min (at 190°C, under 2.16kg weight pressure); PBAT The weight average molecular weight was 107,000, and the melt flow index was 16.0 g / 10min (at 190° C., under 2.16 kg ...

Embodiment 2

[0072] The present embodiment provides a cellulose polyester composite material, and the preparation raw materials of the composite material are composed of the following raw materials in parts by weight:

[0073] Biodegradable polyester 60 parts

[0074] Microcrystalline Cellulose 40 servings

[0075] Antioxidant Epoxidized Soybean Oil 2 parts

[0076] Plasticizer acetyl tributyl citrate 4 parts

[0077] Coupling agent KH560 0.5 part

[0078] Compatibilizer ADR4468 0.5 parts.

[0079] The combination or source of each raw material is the same as that of Example 1.

[0080] Preparation method Referring to the preparation method in Example 1, cellulose polyester composite particles with a particle size of 2-5 mm were prepared.

Embodiment 3

[0082] The present embodiment provides a cellulose polyester composite material, and the preparation raw materials of the composite material are composed of the following raw materials in parts by weight:

[0083] Biodegradable polyester 65 parts

[0084] Microcrystalline Cellulose 35 servings

[0085] Antioxidant Epoxidized Soybean Oil 2 parts

[0086] Plasticizer acetyl tributyl citrate 4 parts

[0087] Coupling agent KH560 0.5 part

[0088] Compatibilizer ADR4468 0.5 parts.

[0089] The combination or source of each raw material is the same as that of Example 1.

[0090] Preparation method Referring to the preparation method in Example 1, cellulose polyester composite particles with a particle size of 2-5 mm were prepared.

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Abstract

The invention belongs to the technical field of polymer materials, specifically discloses a cellulose polyester composite material, and also discloses a preparation method. The raw materials for preparing the composite material include in parts by weight: 55-90 parts of biodegradable polyester, 30-45 parts of cellulose, 0.5-5 parts of antioxidant, 0.5-5 parts of plasticizer, and 0.5 part of coupling agent ~2 parts, 0.5-2 parts of compatibilizer; the cellulose is microcrystalline cellulose. The present invention prepares cellulose-containing composite polyester particles by composite granulation of cellulose, biodegradable polyester polylactic acid and PBAT, without changing the premise that the original polyester particles can be completely degraded into carbon dioxide and water At the same time, the physical properties of the original polyester raw materials are improved by using the characteristics of low density, high strength and good flexibility of cellulose; at the same time, the comprehensive cost of raw materials is significantly reduced, and the market competitiveness is improved.

Description

technical field [0001] The invention relates to the technical field of polymer materials, specifically discloses a cellulose polyester composite material, and also discloses a preparation method thereof. Background technique [0002] With the development of science and society, environmental and resource issues have been paid more and more attention by people. At present, the widespread application of petroleum-based plastic materials has caused very serious "white pollution", which has become a global problem. Moreover, oil resources are not renewable, and a large number of unreasonable uses have brought serious resource shortages to human beings. The emergence of degradable materials, especially the renewability of the raw materials of degradable materials, provides an effective means to solve this problem. [0003] At present, the biopolyester with the largest amount of biodegradable polyester is polylactic acid (PLA, also known as polylactide), which accounts for about...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/04C08L67/02C08L1/04C08L91/00C08K5/11C08K5/5435
CPCC08L67/04C08L2205/02C08L2205/035C08L2201/06C08L67/02C08L1/04C08L91/00C08K5/11C08K5/5435
Inventor 冯杰张伟周廷保金齐卞士成
Owner 安徽丰原生物新材料有限公司