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Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof

A technology of chlorinated polyvinyl chloride and modified materials, applied in conductors, electrical components, circuits, etc., can solve the problem that CPVC is not suitable for wire and cable sheathing materials, CPVC brittleness and impact resistance and other mechanical properties improvement, etc. problem, to achieve the effect of superior processability, improved brittleness and impact resistance, heat resistance and flame retardant properties

Active Publication Date: 2012-07-04
JIANGSU DEWEI ADVANCED MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As mentioned above, although various methods for improving the processability of CPVC have been proposed, these methods cannot simultaneously improve the mechanical properties such as brittleness and impact resistance of CPVC. Therefore, the CPVC improved by these methods does not Not well suited for wire and cable sheathing (especially under harsh environmental conditions)

Method used

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  • Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof
  • Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof
  • Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] This embodiment provides a method for preparing a chlorinated polyvinyl chloride modified material, the raw materials used are as follows:

[0022] CPVC: The degree of polymerization is 1000, and the chlorine content is 68%;

[0023] PVC: PVC K: 65;

[0024] Modified resin: chlorinated polyethylene;

[0025] Heat stabilizer: a mixture of calcium-zinc composite stabilizer and organic tin stabilizer in a weight ratio of 3:1;

[0026] Flame retardant: surface-treated antimony trioxide (purchased from Hunan Anhua Huayu Antimony Industry Co., Ltd.);

[0027] Flame retardant synergist: zinc borate;

[0028] Lubricant: polyethylene wax;

[0029] Antioxidant: Tetra[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester and tri[2.4-di-tert-butylphenyl]phosphite Coordination system, the weight ratio of the two is 1:2;

[0030] Plasticizer: a mixture of trimellitic acid phosphate and epoxidized soybean oil, the weight ratio of the two is 4:1;

[0031] ...

Embodiment 2

[0035] This embodiment provides a method for preparing a chlorinated polyvinyl chloride modified material, the raw materials used are as follows:

[0036] CPVC: The degree of polymerization is 1000, and the chlorine content is 63%;

[0037] PVC: PVC K: 65;

[0038] Modified resin: MBS;

[0039] Heat stabilizer: a mixture of calcium-zinc composite stabilizer and organic tin stabilizer in a weight ratio of 2:1;

[0040]Flame retardant: surface-treated antimony trioxide (purchased from Hunan Anhua Huayu Antimony Industry Co., Ltd.);

[0041] Flame retardant synergist: ammonium molybdate;

[0042] Lubricant: polyethylene wax;

[0043] Antioxidant: Tetra[methyl-β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester and tri[2.4-di-tert-butylphenyl]phosphite Coordination system, the weight ratio of the two is 1:2;

[0044] Plasticizer: a mixture of trimellitic acid phosphate, epoxy soybean oil and DOA, the weight ratio of the three is 3:1:1;

[0045] Filler: act...

Embodiment 3

[0049] This embodiment provides a method for preparing a chlorinated polyvinyl chloride modified material, the raw materials used are as follows:

[0050] CPVC: The degree of polymerization is 1000, and the chlorine content is 68%;

[0051] PVC: PVC K: 65;

[0052] Modified resin: chlorinated polyethylene

[0053] Heat stabilizer: calcium zinc composite stabilizer;

[0054] Flame retardant: surface-treated antimony trioxide (purchased from Hunan Anhua Huayu Antimony Industry Co., Ltd.)

[0055] Flame retardant synergist: a mixture of zinc borate and ammonium molybdate in a weight ratio of 2:1;

[0056] Lubricant: microcrystalline paraffin;

[0057] Antioxidant: Thiobisphenol antioxidant;

[0058] Plasticizer: trioctyl trimellitate;

[0059] Filler: active calcium carbonate;

[0060] PVC processing aid: a mixture of ACR-201 and ACR-401, the weight ratio of the two is 1:1;

[0061] The preparation method is specifically as follows: according to the formula in Table 1, we...

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PUM

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Abstract

The invention relates to a chlorinated polrvinyl chloride modified material as well as a preparation method and application thereof. The raw material formula of the chlorinated polrvinyl chloride modified material comprises the following components in parts by weight: 40-90 parts of chlorinated polrvinyl chloride, 20-70 parts of polrvinyl chloride, 5-30 parts of modified resin, 1.5-10 parts of heat stabilizing agent, 20-60 parts of plasticizer, 1-10 parts of antioxidant, 1-10 parts of lubricating agent, 5-40 parts of filling agent, 8-40 parts of fire retardant, 8-40 parts of flame retardant synergist and 1-20 parts of polrvinyl chloride processing aid. Compared with the known CPVC (chlorinated polrvinyl chloride) modified plastic, the CPVC modified plastic disclosed by the invention is more excellent in physical and mechanical properties and is relatively reduced in cost; and compared with the known CPVC modified plastic, the CPVC modified material disclosed by the invention is obviously improved in heat resistance and flame retardant property (oxygen index can reach about 45%, and simple root of CPVC modified material can be vertically burnt) besides more excellent processabilityand obviously improved material brittleness and shock resistance. Thus, the CPVC modified material disclosed by the invention is suitable for being used as a wire and cable sheath material.

Description

technical field [0001] The invention relates to a chlorinated polyvinyl chloride modified material suitable for making sheaths for electric wires and cables and a preparation method thereof. Background technique [0002] Due to the cold and oil-resistant flame-retardant sheathing materials are often used in harsh environmental conditions, such as high temperature, strong ultraviolet radiation, high ozone concentration, chemical corrosion and other conditions, in some places, the highest temperature can exceed 100 ° C, if the cable If the above-mentioned requirements are not met, the cable material is fragile and may even decompose the cable sheath layer. All these situations will directly increase the occurrence of fire or casualties, and the risk of cable short circuit will also increase. [0003] Chlorinated polyvinyl chloride resin (CPVC) is the product of further chlorination of polyvinyl chloride (PVC). Due to the increase of polar elements, its physical and mechanical ...

Claims

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Application Information

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IPC IPC(8): C08L27/24C08L27/06C08L23/28C08L51/00C08K13/06C08K9/00C08K3/22C08K3/38C08K3/24C08K3/26H01B7/17H01B7/295
Inventor 栾珊珊王兴宁张建耀戴红兵张丽本陈敏周建明
Owner JIANGSU DEWEI ADVANCED MATERIALS
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