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Dry-blend-process poly vinyl chloride slushing powder and its production method

A technology of polyvinyl chloride and production method, applied in the field of polymer modified materials, can solve the problems of long process and high energy consumption

Inactive Publication Date: 2007-07-18
CNPC JILIN CHEM GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The process is longer and consumes more energy

Method used

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  • Dry-blend-process poly vinyl chloride slushing powder and its production method

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Experimental program
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Effect test

Embodiment

[0018] See Fig. 2, the production of PVC slush powder of the present invention is made up of following process:

[0019] ①Carbon black grinding: Grind the prepared carbon black on the three-roll mill three times to make the fineness ≤30um;

[0020] ② Material measurement: Put 100 parts of PVC resin and 3 to 5 parts of ACR201 (copolymer of methyl methacrylate and acrylic acid ester) into the high-mixing kettle, start stirring for 1 minute, and then add calcium into the kettle while stirring 2-5 parts of zinc composite stabilizer, and add 1 part of ground carbon black after 1 minute;

[0021] ③ Mixing: When the temperature of the kettle reaches 35°C, continue to add 20 parts of plasticizer Palamall 654 (polymeric plasticizer derived from adipic acid polyhydric alcohol) and 1 to 3 parts of internal lubricant octyl stearate into the kettle; When the temperature rises to 60°C, add 50 parts of the above-mentioned plasticizer and 2 parts of internal lubricant; when the temperature r...

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Abstract

The invention belongs to macromolecule modified material relating to a kind of PVC vitreous enamel plastic powder material and its producing method. The powder material is vitreous enamel powder material used for instrument panel outer cover, which is made by dry-mix method with PVC as parent metal and added several kinds of auxiliary agents. Tested according to the TL52296 Standard of Volkswagen AG., after heating stored for 500 hours at 120 Deg. C, its performance is: breaking strength changing rate 24.3, (which is 77.0% of imported products, and no more than 45% of standard), break elongation rate 70.9%, (which is 22.6% of imported products, and no more than 30% of standard).

Description

technical field [0001] The invention belongs to the field of polymer modified materials, and relates to a polyvinyl chloride slush powder made by adding various auxiliary agents and a preparation method of the slush powder, which is made of polyvinyl chloride as a base material. Background technique [0002] In recent years, my country's auto industry, especially mid-to-high-end cars, has developed rapidly. In order to meet the needs of the localization of imported production lines, the research and development of polymer slush molding powder required for the dashboard skin of mid-to-high-end cars has become an important topic for research and development units and manufacturers. At present, there is no report on the above-mentioned substantive information. It is reported that the world's largest manufacturer, the French Ato company, uses a single-screw machine for mixing and extruding after mixing the materials, and crushes them under the cryogenic cooling of liquid nitrog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08K5/11C08J3/12
Inventor 徐鸿金春子李长瑞刘辉
Owner CNPC JILIN CHEM GROUP CORP