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Acrylic acid copolymerized polyvinyl chloride pipe for water supply and preparation method thereof

An acrylic acid copolymerization polyvinyl chloride and polyvinyl chloride technology, which is applied in the field of AGR pipes, can solve the problems of long time and energy, multiple process steps, time-consuming and laborious AGR pipe production process, etc., to improve product quality, reduce process steps, Superior seismic performance

Inactive Publication Date: 2020-03-06
CHENGDU CHUANXING TECH PLASTICS INDUSRTY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide acrylic acid copolymerized polyvinyl chloride pipes for water supply and preparation methods thereof, to solve the problem that the existing AGR pipes proposed in the above-mentioned background technology are relatively time-consuming and laborious in the manufacturing process, and often require a long time and energy. At the same time, more process steps are required, and more labor is required to complete the production.

Method used

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  • Acrylic acid copolymerized polyvinyl chloride pipe for water supply and preparation method thereof
  • Acrylic acid copolymerized polyvinyl chloride pipe for water supply and preparation method thereof
  • Acrylic acid copolymerized polyvinyl chloride pipe for water supply and preparation method thereof

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Embodiment 1

[0032] see figure 1 , the present invention provides a technical solution: acrylic acid copolymerized polyvinyl chloride pipes for water supply, comprising the following composition parts by weight: 100 parts of polyvinyl chloride, 2 parts of heat stabilizer, 2 parts of processing aid, 7 parts of impact modifier, 2 parts of flame retardant and smoke suppression modifier, 1 part of lubricant, 3 parts of pigment, 5 parts of acrylic resin, 5 parts of antifreeze modification additive, 4 parts of anti-wear agent, 15 parts of reinforcing agent and 3 parts of compatibilizer.

[0033] Among them, the heat stabilizer is a calcium-zinc composite stabilizer.

[0034] Among them, the processing aid is a plasticizer.

[0035] Wherein, the impact modifier is a styrene copolymer.

[0036] Wherein, the anti-wear agent is polysiloxane.

[0037] Wherein, the reinforcing agent is reinforcing fiber powder.

[0038] Wherein, the compatibilizer is grafted with maleic anhydride.

[0039] The pr...

Embodiment 2

[0048] Acrylic copolymerized polyvinyl chloride pipes for water supply, including the following components in parts by weight: 100 parts of polyvinyl chloride, 3 parts of heat stabilizer, 3 parts of processing aids, 8 parts of impact modifiers, and 2 parts of flame retardant and smoke suppressing modifiers , 1 part of lubricant, 3 parts of pigment, 6 parts of acrylic resin, 7 parts of antifreeze modification additive, 5 parts of anti-wear agent, 16 parts of reinforcing agent and 3 parts of compatibilizer.

[0049] Among them, the heat stabilizer is a calcium-zinc composite stabilizer.

[0050] Among them, the processing aid is a plasticizer.

[0051] Wherein, the impact modifier is a styrene copolymer.

[0052] Wherein, the anti-wear agent is polysiloxane.

[0053] Wherein, the reinforcing agent is reinforcing fiber powder.

[0054] Wherein, the compatibilizer is grafted with maleic anhydride.

[0055] The preparation method of acrylic acid copolymerized polyvinyl chloride...

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Abstract

The invention discloses an acrylic acid copolymerized polyvinyl chloride pipe for water supply and a preparation method thereof. The preparation method comprises the following steps that acrylic resinand polyvinyl chloride are placed in a polymerization kettle, the acrylic resin and the polyvinyl chloride are mixed and placed in a pre-polymerization kettle, the pre-polymerization kettle is a vertical stainless steel polymerization kettle, a turbo-type flat paddle stirrer is arranged in the pre-polymerization kettle, and the; wherein the stirring speed is controlled to be 50-250 rpm, then themixed material is placed from the pre-polymerization kettle into a post-polymerization kettle, the post-polymerization kettle is a horizontal kettle and is internally provided with a stirrer which isformed by combining three helical ribbons and is used for stirring at a low speed, and the rotating speed of the horizontal kettle is 6-7 rpm; the AGR pipe manufactured through the method is simple and convenient in process, complex process steps are reduced, meanwhile, the product quality is improved, the occurrence frequency of defective products is reduced, installation and construction are convenient, the AGR pipe does not need to consider the influence of thermal expansion and cold contraction on the pipe, and construction can be conducted all the year round, in a high-temperature area and in a cold area.

Description

technical field [0001] The invention belongs to the technical field of AGR pipes, and in particular relates to acrylic acid copolymerized polyvinyl chloride pipes for water supply and a preparation method thereof. Background technique [0002] The AGR tube is a new type of material made of ultra-fine particles of acrylic (acrylic resin) elastomers that are fully combined with polyvinyl chloride molecules in a chemical copolymerization manner. Advantages, with excellent impact resistance and low temperature resistance, it is called "plastic steel pipe". [0003] Existing AGR pipes are time-consuming and labor-intensive in the manufacturing process, often require a long time and energy, and at the same time require more process steps and more labor to complete the production, which not only increases the economic cost, but also produces The performance of the AGR pipe is lacking, and there may be many defective products, which increases the difficulty of the work. Therefore, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L33/04C08L83/04
CPCC08L27/06C08L2203/18C08L2205/035C08L33/04C08L83/04
Inventor 张岳岐李富彬
Owner CHENGDU CHUANXING TECH PLASTICS INDUSRTY CO LTD
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