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Cast PVC film

A PVC film and paste resin technology, applied in the field of casting-grade PVC film, can solve problems such as waste, affecting production stability, and poor dimensional stability, and achieve the effects of increasing production efficiency, ensuring secondary production efficiency, and low loss

Inactive Publication Date: 2017-01-04
南通百纳数码新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The production of PVC film is mainly the calendering method. The PVC film produced has the advantages of good corrosion resistance, ductility, flexibility, weather resistance, green environmental protection, long storage time, etc., and is deeply loved by consumers, but the existing Due to the poor dimensional stability of the PVC film in use, it will affect the production stability when it is used for the second time, resulting in a lot of waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Below by embodiment, the patent of the present invention is described further.

[0026] Embodiments of the present invention include: A casting-grade PVC film, characterized in that it includes the following components by mass ratio:

[0027] PVC paste resin 100 parts,

[0028] 45 parts of plasticizer,

[0029] Stabilizer 5 parts,

[0030] 1.5 parts of defoamer,

[0031] Leveling agent 1 part,

[0032] Viscosity reducer 7 parts,

[0033] 5 parts of pigment,

[0034] 1 part of pigment dispersant.

[0035] The molecular weight of the PVC paste resin is 50,000 to 80,000.

[0036] The plasticizer is adipic acid polyester.

[0037] Described stabilizer is calcium zinc stabilizer.

[0038] The defoamer is modified polyether silicon.

[0039] The leveling agent is polyether modified organosiloxane.

[0040] Described viscosity reducer is D80.

[0041] The pigment dispersant is polyethylene.

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PUM

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Abstract

The invention relates to a cast PVC film with high dimensional stability. Main components of the cast PVC film comprise PVC paste resin, a plasticizer, a stabilizing agent, a leveling agent, an antifoaming agent, a viscosity reducer, a pigment and a pigment dispersant. In comparison with the prior art, the PVC film prepared by a tape-casting method has the following advantages: the preparation method is simple and fast; loss is low; production efficiency can be increased effectively; cost is saved; the formula product of the invention has high dimensional stability, and secondary production efficiency of products is guaranteed; and due to the good dimensional stability, problems such as shrinkage, deformation, upwarping and the like are effectively avoided, and product quality is guaranteed.

Description

technical field [0001] The invention relates to the field of films, in particular to a casting grade PVC film with high dimensional stability. Background technique [0002] At present, PVC is a kind of synthetic material that is loved, popular and widely used in the world today. It is the second most used synthetic material worldwide. According to statistics, in 1995 alone, the production of PVC in Europe was about 5 million tons, while its consumption was 5.3 million tons. PVC is being produced and applied all over the world at a growth rate of 4%. [0003] The production of PVC film is mainly the calendering method. The PVC film produced has the advantages of good corrosion resistance, ductility, flexibility, weather resistance, green environmental protection, and long storage time. It is deeply loved by consumers, but the existing Due to the poor dimensional stability of PVC film in use, it affects the production stability when it is used for the second time, causing a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L67/00C08L23/06
Inventor 游爱国李建勋
Owner 南通百纳数码新材料有限公司