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High-filling low-cost biodegradable adjustable biodegraded polyester polymer/red mud composite material and preparation method thereof

A technology of biodegradation and composite materials, which is applied in the field of biodegradable polyester polymer/red mud composite materials and its preparation, can solve the problem of high cost, achieve the effect of wide space, controllable biodegradation rate, and guaranteed quality

Pending Publication Date: 2020-10-16
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It provides the basis of structure and performance for high filling, which not only solves the problem of high cost of biodegradable polyester polymers, but also solves the problem of red mud resource utilization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Formula: 100 parts of PBAT, 0.04 parts of vinyltriethoxysilane, 40 parts of red mud, and 1 part of stearic acid.

[0019] Preparation method: place PBAT in a vacuum drying oven at 50°C for 24 hours, and mix the above raw materials evenly in a high-speed mixer. Then use a twin-screw extruder to extrude and pelletize. Extruder temperature is 130, 140, 150, 160, 170°C. The rotational speed is 50rpm.

Embodiment 2

[0021] Formula: 100 parts of PBAT, 0.05 parts of vinyltriethoxysilane, 50 parts of red mud, 2 parts of stearic acid.

[0022] Preparation method: place PBAT in a vacuum drying oven at 50°C for 24 hours, and mix the above raw materials evenly in a high-speed mixer. Then use a twin-screw extruder to extrude and pelletize. Extruder temperature is 120, 130, 140, 150, 160°C. The rotational speed is 60rpm.

Embodiment 3

[0024] Formula: 100 parts of PBAT, 0.06 parts of vinyltriethoxysilane, 60 parts of red mud, 2 parts of stearic acid.

[0025] Preparation method: place PBAT in a vacuum drying oven at 50°C for 24 hours, and mix the above raw materials evenly in a high-speed mixer. Then it is extruded with a twin-screw extruder, and the tablet is drawn. Extruder temperature is 120, 130, 140, 150, 160°C. The rotation speed is 70rpm.

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PUM

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Abstract

The invention discloses a high-filling low-cost biodegradable adjustable biodegraded polyester polymer / red mud composite material and a preparation method thereof. The composite material comprises thefollowing components in parts by weight: 100 parts of biodegradable polyester polymer, 0-2 parts of silane, 0-2 parts of a lubricant and 10-800 parts of red mud. The cost of the composite material isgreatly reduced, the mechanical property is improved, the biodegradation rate is adjustable, a structure and performance basis is provided for high filling, the problem of high cost of biodegradablepolyester polymers is solved, and the problem of red mud resource utilization is solved. A structural basis is provided for reducing the cost of the biodegradable polyester polymer, so that the product can be widely used.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and designs a high-filling, low-cost, biodegradable and adjustable biodegradable polyester polymer / red mud composite material and a preparation method thereof Background technique [0002] Biodegradable polyester polymers are a class of environmentally friendly materials. For example, polybutylene adipate terephthalate, English abbreviation PBAT, PBAT is a biodegradable high toughness biodegradable polymer polyester, however, the price of PBAT is more expensive than traditional petroleum-based non-biodegradable materials , It is about 3 times that of polyethylene material. Red mud is a solid waste after the utilization of mineral resources, and a large amount of accumulation will pollute the environment. In order to reduce the cost of PBAT, improve the environment, utilize red mud as a resource, and use red mud as a filler, the patent of this invention comes from the raw material stru...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L67/04C08K13/02C08K5/5425C08K5/09C08K3/36C08K3/22
CPCC08K13/02C08K5/5425C08K5/09C08K3/36C08K3/22C08L2201/06C08L2201/10C08K2003/2227C08L67/02C08L67/04
Inventor 何敏刘玉飞于杰雷阳张凯秦舒浩徐国敏张道海秦军
Owner GUIZHOU UNIV