Low-expansion coefficient polyvinyl chloride alloy material and manufacturing method thereof

A low expansion coefficient, polyvinyl chloride technology, applied in the field of low expansion coefficient polyvinyl chloride alloy materials and its preparation, can solve the problem of reducing the thermal expansion coefficient of PVC composite and/or blended materials, reducing mechanical properties, and degrading processing performance, etc. problems, to achieve the effect of high performance, improved dispersion and compatibility, and good aging resistance
CN101531792AActive Publication Date: 2009-09-16SICHUAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SICHUAN UNIV
Publication Date
2009-09-16

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Abstract

The invention provides a low-expansion coefficient polyvinyl chloride alloy material and a manufacturing method thereof. The ingredients of raw materials of the alloy material comprise a polyvinyl chloride substrate, a heat-resistant modifier, a heat stabilizer, a lubricator, a filler and a processing agent, and the alloy material is manufactured by a melt blending technique. The processing agent and the filler in the ingredients of the raw materials of the invention are the processing agent that is subjected to modification by a new method and the filler that is subjected to organic treatment, and by means of a mechanochemical reaction, self-plastification, toughening and reinforcement of the PVC can be combined organically to improve compatibility and dispersity of the polyvinyl chloride, the filler and heat-resistant resin, thus settling the problem about the contraction between the improvement of heat expansion performance and heat resistance of the PVC, and processing performance, strength and toughness of the PVC; the polyvinyl chloride engineering plastic with low expansion coefficient, high heat resistance, high strength, high toughness, excellent aging resistance and outstanding processing performance is manufactured; the invention has extensive industrial market prospect and the manufacturing method thereof is simple in technology, convenient in operation and control, stable in quality and high in production efficiency.
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Description

technical field

[0001] The invention relates to the technical field of polyvinyl chloride composite materials, in particular to a polyvinyl chloride alloy material with a low expansion coefficient and a preparation method thereof. Background technique

[0002] With the rapid development of modern science and technology, new polymer materials have been widely used in aerospace, oil exploration, electrical and electronic, national defense and military industries. Composite materials formed of polymer materials and inorganic materials such as metals and ceramics have attracted more and more attention. However, compared with inorganic materials, the heat resistance of polymer materials is relatively poor, and the coefficient of thermal expansion (CTE) is also much larger. It is peeled off from the substrate, and it also causes cracks and warping in the coating of polymer materials, and cracks in molded plastics. When different materials are combined, the thermal stress caused ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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