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Novel plastic compatibilizer and production method thereof

A production method and compatibilizer technology, applied in the field of chemical science, can solve problems such as difficult research, achieve the effect of enhancing interface adhesion, improving tensile strength and impact strength

Inactive Publication Date: 2014-08-20
ANHUI NINGGUO MINGHAO PACKAGING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the most researched compatibilizers are graft copolymers, maleic anhydride grafted polyolefins, and it is difficult to study block copolymers with appropriate chemical structures as compatibilizers for wood-plastic systems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) Take each raw material by weight: 20 parts of methyl methacrylate, 20 parts of butyl acrylate, 30 parts of glycidyl methacrylate and 25 parts of vinyl acetate;

[0016] (2) Add sodium p-dodecylbenzenesulfonate and sodium persulfate as reaction medium in the raw material of step (1), then add water and stir until fully dissolved;

[0017] (3) The reactants in step (2) were heated up to 80°C for 3.5 hours, then saturated NaCl solution was added until the emulsion was broken, filtered under reduced pressure, washed several times with hot water until the filtrate was clear, and dried at 60°C to If the quality is constant, a new type of plastic compatibilizer can be obtained.

[0018] The beneficial effects of the invention are: the invention can obviously improve the tensile strength and impact strength of the blend when the added amount is small, and enhance the interface bonding force between the plastic and the wood fiber.

Embodiment 2

[0020] (1) Take each raw material by weight: 40 parts of methyl methacrylate, 40 parts of butyl acrylate, 50 parts of glycidyl methacrylate and 45 parts of vinyl acetate;

[0021] (2) Add sodium p-dodecylbenzenesulfonate and sodium persulfate as reaction medium in the raw material of step (1), then add water and stir until fully dissolved;

[0022] (3) The reactants in step (2) were heated to 80°C for 4 hours, then saturated NaCl solution was added until the emulsion was broken, filtered under reduced pressure, washed several times with hot water until the filtrate was clear, and dried at 60°C to If the quality is constant, a new type of plastic compatibilizer can be obtained.

[0023] The beneficial effects of the invention are: the invention can obviously improve the tensile strength and impact strength of the blend when the added amount is small, and enhance the interface bonding force between the plastic and the wood fiber.

Embodiment 3

[0025] (1) Take each raw material by weight: 30 parts of methyl methacrylate, 30 parts of butyl acrylate, 40 parts of glycidyl methacrylate and 35 parts of vinyl acetate;

[0026] (2) Add sodium p-dodecylbenzenesulfonate and sodium persulfate as reaction medium in the raw material of step (1), then add water and stir until fully dissolved;

[0027] (3) The reactants in step (2) were heated up to 80°C for 3.5 hours, then saturated NaCl solution was added until the emulsion was broken, filtered under reduced pressure, washed several times with hot water until the filtrate was clear, and dried at 60°C to If the quality is constant, a new type of plastic compatibilizer can be obtained.

[0028] The beneficial effects of the invention are: the invention can obviously improve the tensile strength and impact strength of the blend when the added amount is small, and enhance the interface bonding force between the plastic and the wood fiber.

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PUM

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Abstract

The invention discloses a novel plastic compatibilizer. The compatibilizer comprises, by weight, 20-40 parts of methyl methacrylate, 20-40 parts of butyl acrylate, 30-50 parts of glycidyl methacrylate and 25-45 parts of vinyl acetate. A small dosage of the novel plastic compatibilizer can obviously improve the tensile strength and the impact strength of a blend and enhances the interface bonding strenth between a plastic and wood fibers.

Description

technical field [0001] The invention relates to the field of chemical science, in particular to a novel plastic compatibilizer and a production method thereof. Background technique [0002] Wood plastic composites (wood plastic composites) is a new type of material that combines a certain proportion of wood fibers with thermoplastic polymers or other materials after pretreatment, also referred to as WPC. The manufacture of WPC does not require high-quality wood resources. It uses waste wood such as logging residues and wood processing residues as the main raw material, and uses a large amount of recycled waste plastics, which has played an important role in alleviating the shortage of wood resources and solving the problem of plastic pollution. In the preparation of wood-plastic composites, a large number of technical problems need to be overcome, among which interfacial compatibility has always been a hot spot in the research of wood-plastic composites. As a reinforcing ma...

Claims

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Application Information

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IPC IPC(8): C08F220/32C08F220/14C08F220/18C08F218/08C08L101/00C08L97/02C08L33/14
Inventor 王浩
Owner ANHUI NINGGUO MINGHAO PACKAGING MATERIALS