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Method for processing reinforced and toughened material

A technology of strengthening and toughening and processing methods, applied in the direction of coatings, etc., can solve the problems of insufficient strengthening and toughening ability, affecting the scope of use, etc., and achieve the effect of increasing strength, increasing strength, and wide application range.

Inactive Publication Date: 2017-01-18
柳州增程材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The strengthening and toughening ability of composite materials prepared by polyester resin in the prior art is not enough, which affects its application range

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In terms of mass fraction, 10 parts of terephthalic acid, 10 parts of isophthalic acid, 5 parts of adipic acid, 5 parts of trimethylolpropane, 1 part of ethylene glycol, 25 parts of neopentyl glycol and 0.1 part of antimony trioxide Put it in a closed container and mix evenly; then pass nitrogen into the container, then heat up to 100°C, stir at a low speed after most of the raw materials start to melt, then heat up to 150°C, keep it warm for 30 minutes, and then use 0.3°C / min The heating rate was increased to 230°C until the reaction was complete. Then stop feeding nitrogen, then extract the gas in the container, make the vacuum less than -98kPa, and remove the water and small molecule products generated in the reaction; then restore the container to normal pressure, and add 1 part of trimellitic anhydride to stir, and keep the temperature at 160 ℃, the acid value is 12mgKOH / g, and finally polyester resin is obtained; then according to the mass content of 120 parts of ...

Embodiment 2

[0035]In terms of mass fraction, 15 parts of terephthalic acid, 16 parts of isophthalic acid, 3 parts of adipic acid, 3 parts of trimethylolpropane, 3 parts of ethylene glycol, 20 parts of neopentyl glycol and 0.15 parts of antimony trioxide Put it in a closed container and mix evenly; then pass nitrogen into the container, heat up to 110°C, stir at a low speed after most of the raw materials start to melt, then raise the temperature to 150°C, keep it warm for 25 minutes, and then use 0.4°C / min The heating rate was increased to 240°C until the reaction was complete. Then stop feeding nitrogen, then extract the gas in the container, make the vacuum less than -98kPa, and remove the water and small molecule products generated in the reaction; then restore the container to normal pressure, and add 1.5 parts of trimellitic anhydride to stir, keeping the temperature at 180 ℃, acid value 16mgKOH / g; finally obtain polyester resin; then according to mass content 140 parts of polyester ...

Embodiment 3

[0037] In terms of mass fraction, 20 parts of terephthalic acid, 20 parts of isophthalic acid, 1 part of adipic acid, 1 part of trimethylolpropane, 5 parts of ethylene glycol, 15 parts of neopentyl glycol and 0.2 parts of antimony trioxide Put it in a closed container and mix evenly; then pass nitrogen into the container, then heat up to 120°C, stir at a low speed after most of the raw materials start to melt, then heat up to 160°C, keep it warm for 20 minutes, and then use 0.5°C / min The heating rate was increased to 250°C until the reaction was complete. Then stop feeding nitrogen, then extract the gas in the container, make the vacuum less than -98kPa, and remove the water and small molecule products generated in the reaction; then restore the container to normal pressure, and add 2.5 parts of trimellitic anhydride to stir, keeping the temperature at 200 ℃, acid value 20mgKOH / g; finally obtain polyester resin; then according to mass content 150 parts of polyester resin, 60 p...

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Abstract

The invention relates to a method for processing a reinforced and toughened material. The method comprises the steps of preparing polyester resin and drying polyester resin, glass fibers and organic montmorillonite; adding a toughening agent to perform stirring; causing the mixture to undergo melt extrusion granulation on a twin-screw extrusion machine; drying the granulated material; finally performing injection molding on the dried material, and obtaining the reinforced and toughened material. The polyester resin is modified through the polyester resin, the glass fibers and the organic montmorillonite, wherein the glass fibers and the toughening agent can reinforce and toughen the prepared material, the organic montmorillonite can further improve material strength, so that the strength of the prepared reinforced and toughened material is greatly improved, and the application range is wide.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a processing method for strengthening and toughening materials. Background technique [0002] With the rapid development of nanomaterials and nanotechnology in the past ten years, various polymers, inorganic and composite nanofibrous structural materials have emerged one after another. Compared with traditional fiber materials, the diameter of nanofibers is extremely small and the specific surface area is extremely large. These characteristics determine that they have unparalleled advantages as reinforcing materials in the small-scale microstructure of composite materials, and have become a leading technology in this field. Research hotspots. At present, the interlayer of microfiber-reinforced composite materials can introduce a secondary reinforcement structure composed of single-layer or multi-layer nanofibers. Under the premise of the weight and thickness of the material, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L23/08C08K7/14C08K3/34C08G63/20C08G63/86B29B9/06B29B9/14B29C45/00
CPCC08L67/02B29B9/06B29B9/14B29C45/0005C08G63/20C08G63/866
Inventor 李祥明田源李贤良
Owner 柳州增程材料科技有限公司
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