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PBAT-based material, preparation method and application thereof

A technology of base materials and raw materials, which is applied in the field of PBAT-based materials and their preparation, can solve the problems of processing performance defects, unbalanced mechanical properties of PBAT-based materials, and limited application range of PBAT-based materials, etc., to achieve good protection and excellent processing performance effect

Active Publication Date: 2021-12-10
GUANGZHOU SUPER DRAGON ENG PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the mechanical properties of PBAT-based materials obtained by common techniques are not balanced enough, and the processing performance has defects, so the application range of PBAT-based materials is relatively limited.

Method used

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  • PBAT-based material, preparation method and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] This embodiment prepares a kind of PBAT base material, and specific process is:

[0076] S1. 10wt% of cornstarch (food grade cornstarch), 30wt% of talcum powder (HTP05, IMIFABI), and 2wt% of functional additives (ethylene glycol) were mixed with a high-speed mixer for 2min (at a temperature of 60°C), and after standing for 10min, With PLA resin (PLA110, Zhejiang Hisun) 15wt%, PMMA (CM211, Chimei) 8wt%, compatibilizer (PTW, DUPONT) 0.3wt% and PBAT resin (ECO-05, Changchun Group) 34.7wt%, etc. with low speed mixer premix;

[0077] S2. Add the mixture obtained in step S1 into a twin-screw extruder, and the above materials are melted and blended (160°C), drawn, water-cooled (30±5°C), pelletized, and dried (80°C, 4h) to obtain the target product.

Embodiment 2

[0079] This embodiment prepares a kind of PBAT base material, and the difference of specific process and embodiment 1 is:

[0080] (1) In step S1, the addition amount of PLA resin is 19.7wt%, and the addition amount of PBAT resin is 30wt%.

Embodiment 3

[0082] This embodiment prepares a kind of PBAT base material, and the difference of specific process and embodiment 1 is:

[0083] (1) In step S1, the addition amount of PLA resin is 10wt%, and the addition amount of PBAT resin is 39.3wt%.

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Abstract

The invention discloses a PBAT-based material, a preparation method and application thereof. The PBAT-based material is prepared from the following raw materials: PBAT, PMMA, PLA, corn starch, a filler, a functional aid and a compatilizer. According to the PBAT-based material disclosed by the invention, through matching of the preparation raw materials, the mechanical property of the obtained material can be balanced, and the processing property of the obtained material is improved, so that the application range of the obtained material is expanded.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a PBAT-based material and its preparation method and application. Background technique [0002] PBAT resin is a polymer material that is polymerized from petroleum-based monomers and can achieve compost biodegradation. The material has excellent ductility and elongation at break, and is a soft and tough material. It is an important research direction of biodegradable materials to carry out targeted modification of PBAT materials, continuously improve the application performance of materials and expand the application market of this material. [0003] However, the mechanical properties of PBAT-based materials obtained by common techniques are not balanced enough, and there are defects in processing performance, so the application range of PBAT-based materials is relatively limited. Contents of the invention [0004] The present invention aims to solve at ...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L33/12C08L67/04C08L3/02C08L23/08C08K3/34C08K5/053
CPCC08L67/02C08L2201/06C08L33/12C08L67/04C08L3/02C08L23/0884C08K3/34C08K5/053Y02W90/10
Inventor 郝建鑫邓爵安钱进明袁海兵
Owner GUANGZHOU SUPER DRAGON ENG PLASTICS
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