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UPP-T material, preparation method and UPP-T high-strength inspection well

A UPP-T, 1.UPP-T technology, applied in the field of polymer composite materials, can solve the problems of low ring flexibility, insufficient drainage and sewage inspection well ring stiffness, and meet performance requirements, ring stiffness and ring flexibility. improved effect

Pending Publication Date: 2021-12-14
四川亚塑新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a UPP-T material for UPP-T high-strength inspection wells to solve the problems of insufficient ring stiffness and low ring flexibility in existing drainage and sewage inspection wells

Method used

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  • UPP-T material, preparation method and UPP-T high-strength inspection well
  • UPP-T material, preparation method and UPP-T high-strength inspection well

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The preparation method of UPP-T material is as follows:

[0028] Ingredients according to the following parts by weight: 85 parts of UPP ultra-high molecular weight polyolefin, 12 parts of modified PPT (polyethylene terephthalate), 9 parts of active slip powder, then the raw materials are mixed and melted by a twin-screw extruder Pelletizing to obtain UPP-T material, the barrel temperatures are: 190°C, 205°C, 215°C, 220°C, 220°C, and the die temperature is: 215°C.

[0029] in:

[0030] Preparation method of UPP ultra-high molecular weight polyolefin: 85 parts of PP (high-strength polypropylene), 10-15 parts of POE (polymer of ethylene and butene), 5 parts of EVA (ethylene-vinyl acetate copolymer), MMA ( Methyl methacrylate) 7 parts, then the raw materials are mixed and stirred uniformly and then melted and granulated by a single-screw extruder to obtain ultra-high molecular weight polyolefin materials. The barrel temperatures are 190 ° C, 205 ° C, 215 ° C, and 220 ° C....

Embodiment 2

[0037] The preparation method of UPP-T material is as follows:

[0038] Ingredients according to the following parts by weight: 90 parts of UPP ultra-high molecular weight polyolefin, 8 parts of modified PPT (polyethylene terephthalate), 5 parts of active slip powder, and then the raw materials are mixed and melted by a twin-screw extruder Pelletizing to obtain UPP-T material, the barrel temperatures are: 190°C, 205°C, 215°C, 220°C, 220°C, and the die temperature is: 215°C.

[0039] in:

[0040] Preparation method of UPP ultra-high molecular weight polyolefin: 80 parts of PP (high-strength polypropylene), 10 parts of POE (polymer of ethylene and butene), 7 parts of EVA (ethylene-vinyl acetate copolymer), 7 parts of MMA (methyl methacrylate) 9 parts of methyl acrylate), then the raw materials were mixed and stirred uniformly and then melted and granulated by a single-screw extruder to obtain an ultra-high molecular weight polyolefin material, and the barrel temperatures were 1...

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Abstract

The invention provides a UPP-T material, a preparation method and a UPP-T high-strength inspection well. The preparation method of the UPP-T material comprises the following steps: mixing ultra-high molecular weight polyolefin, modified polyethylene glycol terephthalate and active talc powder, and then conducting melting and granulating through a double-screw extruder to obtain the UPP-T material. According to the invention, the modified UPP-T, talcum powder and polyolefin are adopted to form the composite material, the ring stiffness and the ring flexibility of the inspection well prepared from the composite material are obviously improved compared with those of the conventional common PP plastic modification and can be improved by 30-40%, and the performance requirements of the large-caliber underground drainage and pollution discharge inspection well can be met.

Description

technical field [0001] The invention belongs to the field of polymer composite materials, and in particular relates to a UPP-T material, a preparation method and a UPP-T high-strength inspection well. Background technique [0002] At present, my country's drainage pipe network system still uses ordinary polypropylene PP modified plastics as the mainstream for traditional inspection wells, but its materials have low impact performance, high brittleness, and poor temperature resistance. Therefore, the plastic inspection well ring produced has fatal defects such as low rigidity, poor ring flexibility, high brittleness, easy damage, easy leakage, poor temperature resistance, small production caliber, and embedded depth not exceeding 3m. Furthermore, the difficulty of engineering construction is high, and the connection between inspection well pipelines is complicated, which often results in huge construction waste. Especially in long-term use, the pre-buried depth of ordinary i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L51/08C08L23/08C08K9/06C08K9/04C08K3/34
CPCC08L23/12C08L51/08C08L23/0815C08L23/0853C08K9/06C08K9/04C08K3/34
Inventor 刘来琼
Owner 四川亚塑新材料有限公司
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