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Hemp Fiber Reinforced Polypropylene Composites Favorable for Separation and Recycling and Its Preparation

A composite material and hemp fiber technology, applied in the field of hemp fiber reinforced polypropylene composite materials, can solve the problems of increasing the difficulty of separating and recycling resin, unfavorable environmental protection, etc., and achieve excellent chemical adsorption, low environmental burden, and high structural design. Effect

Active Publication Date: 2021-01-19
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this increases the difficulty of separating and recycling the resin to a certain extent, which is not conducive to the protection of the environment

Method used

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  • Hemp Fiber Reinforced Polypropylene Composites Favorable for Separation and Recycling and Its Preparation
  • Hemp Fiber Reinforced Polypropylene Composites Favorable for Separation and Recycling and Its Preparation

Examples

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Effect test

Embodiment 1

[0048] Such as figure 1 As shown, this embodiment provides a hemp fiber reinforced polypropylene composite material that is beneficial to separation and recovery, including three layers of polypropylene layers arranged in sequence from top to bottom, and a layer of hemp fiber is arranged between adjacent two layers of polypropylene layers. In the fiber layer, a self-assembled degradable material is arranged between the polypropylene layer and the hemp fiber layer. The degradable self-assembly material is MOFs, and the hemp fiber layer is hemp fiber nonwoven fabric.

[0049] Such as figure 2 As shown, the degradable self-assembled material has a good morphological structure and a special grain packing method, which can act as a bond to "bundle" the fiber base and the resin base together to achieve molecular-level coating and endow the composite material Compact structure and good mechanical properties.

[0050] The preparation steps of the hemp fiber reinforced polypropylen...

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Abstract

The invention provides a jute fiber reinforced polypropylene composite convenient to separate and recover. The jute fiber reinforced polypropylene composite convenient to separate and recover is characterized by comprising at least three layers polypropylene layers sequentially arranged from top to bottom, a jute fiber layer is arranged between two adjacent polypropylene layers, and a self-assembly degradable material is arranged between the polypropylene layers and the jute fiber layers. By use of the characteristics of three-dimensional open structure, high porosity, large specific surface area, excellent chemical adsorbability, greenness and environmental friendliness of the self-assembly degradable material, the interface linking performance of two substrates of the fiber composite isenhanced, meanwhile, the self-assembly material is degraded in a green, rapid and efficient manner in the recovery process, and complete separation of resin matrixes under little damage action is realized.

Description

technical field [0001] The invention relates to the technical field of hemp fiber reinforced polypropylene composite materials, in particular to a method for self-assembling, separating and recycling hemp fiber reinforced polypropylene composite materials. Background technique [0002] Polypropylene is a crystalline homopolymer. As a kind of thermoplastic, it is one of the most important non-metallic materials currently used in automobiles. The density of polypropylene is 0.90-0.919g / cm 3 , is the lightest general-purpose plastic. Due to the rich source of polypropylene raw materials and low price, compared with other plastics, it has the characteristics of high mechanical strength, high stability, acid and alkali resistance, good heat resistance, simple production process, and good processability, so it is widely used in plastics. Automotive industry, household appliances, pipes, injection molded parts, fibers and other fields. In recent years, with the continuous incre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B9/02B32B9/04B32B27/32B32B37/10B32B37/06B32B37/00B32B33/00D06M13/352D06M11/65D06M101/06
Inventor 姚澜林活跃娄坚婷范秀君杨家骅王宇娴吴澜涛洪诗婷闫江山邱夷平
Owner DONGHUA UNIV
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