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Polyvinyl chloride plastic masterbatch and preparation process thereof

A polyvinyl chloride and plastic masterbatch technology, which is applied in the field of polymer material preparation, can solve the problems of high cost and poor comprehensive mechanical properties of plastic masterbatch, increase toughness and compressive strength, prevent moisture and mildew, and reduce surface temperature Effect

Inactive Publication Date: 2019-01-04
FOSHAN CHANCHENG JUYI PLASTIC FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the cost of producing polyvinyl chloride plastic masterbatch is high, and the comprehensive mechanical properties of the prepared plastic masterbatch are poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Raw material components include: 80 parts of high-polymerization polyvinyl chloride, 5 parts of alkyl betaine, 10 parts of modified kaolin, 5 parts of flame-retardant plasticizer, 10 parts of composite nano-calcium carbonate powder, and 10 parts of modified nano-silica 3 parts, 3 parts of coconut fiber, 5 parts of flaky mica, 6 parts of graphite fluoride, 8 parts of aluminate coupling agent and 1 part of antifungal agent.

[0022] In this embodiment, triphenyl phosphate is used as the flame retardant plasticizer.

[0023] The preparation process of the present embodiment comprises the following steps:

[0024] A. Mix modified kaolin, composite nano-calcium carbonate powder, modified nano-silica, coconut fiber, flaky mica, and fluorinated graphite, and add them to the stirring tank for low-speed stirring. During the stirring process, add 1 / 2 aluminum acid Ester coupling agent, after stirring, let it stand for 8 minutes to obtain mixture A;

[0025] B. After mixing the ...

Embodiment 2

[0030] Raw material components include: 120 parts of high-polymerization polyvinyl chloride, 15 parts of alkyl betaine, 30 parts of modified kaolin, 18 parts of flame-retardant plasticizer, 25 parts of composite nano-calcium carbonate powder, 20 parts of modified nano-silica 9 parts, 9 parts of coconut fiber, 12 parts of flaky mica, 16 parts of graphite fluoride, 18 parts of aluminate coupling agent and 4 parts of antifungal agent.

[0031] In this embodiment, the flame retardant plasticizer is dioctyl tetrabrominated phthalate.

[0032] The preparation process of the present embodiment comprises the following steps:

[0033] A. Mix modified kaolin, composite nano-calcium carbonate powder, modified nano-silica, coconut fiber, flaky mica, and fluorinated graphite, and add them to the stirring tank for low-speed stirring. During the stirring process, add 1 / 2 aluminum acid Ester coupling agent, after stirring, let it stand for 17 minutes to obtain mixture A;

[0034] B. After m...

Embodiment 3

[0039] Raw material components include: 90 parts of high-polymerization polyvinyl chloride, 6 parts of alkyl betaine, 15 parts of modified kaolin, 7 parts of flame-retardant plasticizer, 12 parts of composite nano-calcium carbonate powder, 12 parts of modified nano-silica 4 parts, 4 parts of coconut fiber, 6 parts of flaky mica, 7 parts of graphite fluoride, 9 parts of aluminate coupling agent and 2 parts of antifungal agent.

[0040] In this example, bisphenol A bis(diphenyl phosphate) was used as the flame retardant plasticizer.

[0041] The preparation process of the present embodiment comprises the following steps:

[0042] A. Mix modified kaolin, composite nano-calcium carbonate powder, modified nano-silica, coconut fiber, flaky mica, and fluorinated graphite, and add them to the stirring tank for low-speed stirring. During the stirring process, add 1 / 2 aluminum acid Ester coupling agent, after stirring, let it stand for 10 minutes to obtain mixture A;

[0043]B. After ...

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PUM

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Abstract

The invention discloses a polyvinyl chloride plastic masterbatch and a preparation process thereof. The polyvinyl chloride plastic masterbatch is prepared from, by weight, 80-120 parts of high-polymerization-degree polyvinyl chloride, 5-15 parts of alkyl betaine, 10-30 parts of modified kaolin, 5-18 parts of flame retardant plasticizer, 10-25 parts of composite nano-calcium carbonate powder, 10-20parts of modified nano-silica, 3-9 parts of cocoanut fiber, 5-12 parts of flake mica, 6-16 parts of graphite fluoride, 8-18 parts of aluminate coupling agent and 1-4 parts of mould inhibitor. The preparation process is simple, and the prepared polyvinyl chloride plastic masterbatch has high strength, high temperature resistance and corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of polymer material preparation, in particular to a polyvinyl chloride plastic masterbatch and a preparation process thereof. Background technique [0002] Polyvinyl chloride is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator. It is a homopolymer of vinyl chloride. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins. PVC is a white powder with an amorphous structure and a small degree of branching. The molecular weight of industrially produced PVC is generally in the range of 50,000 to 120,000. It has a large polydispersity, and the molecular weight increases with the decrease of the polymerization temperature; there is no fixed melting point, it starts to soften at 80-85°C, and becomes viscoelastic at 130°C. , 160 ~ 180 ℃ began to change into a viscous flow state; it has good mechanical properties, the tensil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L97/02C08K13/06C08K5/19C08K3/34C08K3/26C08K3/36C08J3/22
CPCC08J3/226C08J2327/06C08J2497/02C08K3/346C08K3/36C08K5/19C08K13/06C08K2003/265C08K2201/011
Inventor 不公告发明人
Owner FOSHAN CHANCHENG JUYI PLASTIC FACTORY
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