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PVC cable material resistant to pigment transference

A technology of cable material and PVC resin, which is applied in the direction of circuits, electrical components, plastic/resin/wax insulators, etc. It can solve the problems of poor pigment migration resistance, unusable plastic products, and contamination of other products, etc., and achieve pigment migration resistance. Enhanced, increased cross-linking density, high processability and improved low temperature resistance

Active Publication Date: 2019-01-25
ZHEJIANG WELLSCOM PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The present invention aims to solve the problems in the prior art that the PVC cable material has poor resistance to pigment migration, and the pigment is easily migrated to other plastic products, resulting in unusable plastic products, contaminating other products, and affecting its application performance. A pigment migration resistant PVC cable material that has good pigment migration resistance and will not affect its performance with other plastic products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A PVC cable material resistant to pigment migration, said PVC cable material comprising the following components in parts by weight: 100 parts of PVC resin, 5 parts of organic silicon modified SBS, 25 parts of dioctyl azelate, titanic acid 20 parts of ester-modified white carbon black, 0.5 part of 4-benzoyloxy-2,2,6,6-tetramethylpiperidine, 5 parts of nano titanium dioxide, 3-8 parts of dye and 1 part of bisphenol A.

[0034] The organosilicon modified SBS in the PVC cable material is a composition of organosilicon grafted SBS masterbatch and catalyst SBS masterbatch, and the mass ratio of organosilicon grafted SBS masterbatch and catalyst SBS masterbatch in the composition is for 2:10.

[0035] Wherein, the preparation method of the silicone-grafted SBS masterbatch is as follows: take 100 parts of SBS masterbatch according to parts by weight, then add 3 parts of methyl vinyl alkoxy silicone oil and 0.05 DCP to it, 105 ℃ After mixing evenly in an open mill, extrude and...

Embodiment 2

[0039] A PVC cable material resistant to pigment migration, said PVC cable material comprising the following components in parts by weight: 100 parts of PVC resin, 15 parts of organic silicon modified SBS, 40 parts of dioctyl azelate, titanic acid 35 parts of ester-modified white carbon black, 2 parts of resorcinol monobenzoate, 15 parts of nano titanium dioxide, 8 parts of dye and 3 parts of antioxidant CA.

[0040] The organosilicon modified SBS in the PVC cable material is a composition of organosilicon grafted SBS masterbatch and catalyst SBS masterbatch, and the mass ratio of organosilicon grafted SBS masterbatch and catalyst SBS masterbatch in the composition is for 5:10.

[0041] Wherein, the preparation method of the silicone-grafted SBS masterbatch is as follows: take 100 parts of SBS masterbatch according to parts by weight, then add 10 parts of methyl vinyl alkoxy silicone oil and 0.5 DCP to it, 115 ℃ After mixing uniformly in an open mill, extrude and granulate at...

Embodiment 3

[0045] A PVC cable material resistant to pigment migration. The PVC cable material includes the following components in parts by weight: 100 parts of PVC resin, 10 parts of organic silicon modified SBS, 30 parts of dioctyl azelate, titanate 20 parts of modified white carbon black, 0.5 part of tris(1,2,2,6,6-pentamethylpiperidinyl) phosphite, 5 parts of nano titanium dioxide, 3 parts of dye and 1 part of antioxidant 264.

[0046] The organosilicon modified SBS in the PVC cable material is a composition of organosilicon grafted SBS masterbatch and catalyst SBS masterbatch, and the mass ratio of organosilicon grafted SBS masterbatch and catalyst SBS masterbatch in the composition is for 3:10.

[0047] Wherein, the preparation method of the silicone-grafted SBS masterbatch is as follows: take 100 parts of SBS masterbatch according to parts by weight, then add 5 parts of methyl vinyl alkoxy silicone oil and 0.2 DCP to it, 110 ℃ After mixing evenly in an open mill, extrude and gran...

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Abstract

The invention relates to a PVC cable material and particularly relates to a PVC cable material resistant to pigment transference. The PVC cable material is prepared from the following components in parts by weight: 100 parts of PVC resin, 5-15 parts of organic silicon modified SBS, 25-40 parts of dioctyl azelate, 20-35 parts of titanate modified white carbon black, 0.5-2 parts of an ultraviolet absorbent, 5-15 parts of nano titanium dioxide, 3-8 parts of dye and 1-3 parts of an antioxidant. The invention solves the problems in the prior art that the PVC cable material has relatively poor resistance to pigment transference, the pigment is easy to be transferred to other plastic products and consequently the plastic products cannot be used and other application performance is influenced. ThePVC cable material disclosed by the invention has the following beneficial effects: (1) the PVC cable material prepared in the invention has relatively high resistance to pigment transference; (2) the PVC cable material does not interact with other resin to influence the performance of the two; (3) the PVC cable material has good low temperature resistance, processability and weather resistance.

Description

technical field [0001] The invention relates to a PVC cable material, in particular to a PVC cable material resistant to pigment migration. Background technique [0002] Polyvinyl chloride, referred to as PVC (Polyvinyl chloride), is a vinyl chloride monomer (vinyl chloridemonomer, referred to as VCM) in peroxides, azo compounds and other initiators; or under the action of light and heat, it can be polymerized according to the mechanism of free radical polymerization. made polymer. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins. [0003] The molecular weight of industrially produced PVC is generally in the range of 50,000 to 110,000, with 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 to 85°C, and becomes viscoelastic at 130°C , 160 ~ 180 ℃ began to change into a viscous flow state; good...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L53/02C08K13/06C08K9/04C08K3/36C08K5/11C08K3/22H01B3/44
CPCC08K2003/2241C08K2201/011C08L27/06C08L2203/202H01B3/443C08L53/025C08K13/06C08K9/04C08K3/36C08K5/11C08K3/22
Inventor 赵亚琼
Owner ZHEJIANG WELLSCOM PLASTIC CO LTD