Modified polypropylene duct for power cable and preparation method thereof

A power cable and polypropylene technology, which is applied in the field of modified polypropylene conduits for power cables and its preparation, can solve the problems of poor compatibility, poor dispersion, cable conduit toughness, impact resistance, etc., and affect product quality, etc. problems, to achieve good compatibility, improve antioxidant capacity, enhance ionization activity and strength

Active Publication Date: 2017-05-10
杭州欣隆实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned modified polypropylene material simply blends each component, and the compatibility and dispersion of each component are poor, which leads to uneven toughness, impact resistance and other properties of various parts of the cable guide. , affecting product quality

Method used

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  • Modified polypropylene duct for power cable and preparation method thereof
  • Modified polypropylene duct for power cable and preparation method thereof
  • Modified polypropylene duct for power cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A modified polypropylene conduit for power cables, prepared from the following components in parts by mass:

[0046] 100 parts of polypropylene (75wt% isotactic polypropylene and 25wt% atactic polypropylene),

[0047] 8 parts of styrene-butadiene rubber,

[0048] 7 parts polyphenolic resin,

[0049] 8 parts of ethylene-vinyl acetate copolymer (the content of vinyl acetate is 45wt%),

[0050] 15 parts of tetrabutyl titanate,

[0051]7 parts of silane coupling agent (phenyltrimethoxysilane),

[0052] 4 parts of functional additives,

[0053] 0.3 parts of antioxidant tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester,

[0054] Stabilizer calcium stearate 2 parts,

[0055] 100 parts of xylene,

[0056] 15 parts of ethanol,

[0057] 8 parts of water.

[0058] The preparation method of the modified polypropylene conduit for the above-mentioned power cable, the steps are as follows:

[0059] (1) It is 18wt% that zinc nitrate concentrati...

Embodiment 2

[0066] A modified polypropylene conduit for power cables, prepared from the following components in parts by mass:

[0067] 90 parts of polypropylene (70wt% isotactic polypropylene and 30wt% atactic polypropylene),

[0068] 10 parts of styrene-butadiene rubber,

[0069] 5 parts polyphenolic resin,

[0070] 10 parts of ethylene-vinyl acetate copolymer (the content of vinyl acetate is 40wt%),

[0071] 10 parts of tetrabutyl titanate,

[0072] 5 parts of silane coupling agent (γ-glycidyl etheroxypropyl trimethoxysilane),

[0073] 6 parts of functional additives,

[0074] 0.1 part of antioxidant tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester,

[0075] Stabilizer calcium stearate 1 part,

[0076] 90 parts of xylene,

[0077] 10-parts of ethanol,

[0078] 5 parts of water.

[0079] The preparation method of the modified polypropylene conduit for the above-mentioned power cable, the steps are as follows:

[0080] (1) It is 15wt% that zinc ...

Embodiment 3

[0087] A modified polypropylene conduit for power cables, prepared from the following components in parts by mass:

[0088] 110 parts of polypropylene (80wt% isotactic polypropylene and 20wt% random polypropylene),

[0089] 5 parts of styrene-butadiene rubber,

[0090] 10 parts of polyphenolic oxygen resin,

[0091] 5 parts of ethylene-vinyl acetate copolymer (the content of vinyl acetate is 50wt%),

[0092] 20 parts of tetrabutyl titanate,

[0093] 10 parts of silane coupling agent (methyltrimethoxysilane),

[0094] 2 parts of functional additives,

[0095] 0.5 parts of antioxidant tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester,

[0096] 3 parts of stabilizer calcium stearate,

[0097] 110 parts of xylene,

[0098] 20 parts of ethanol,

[0099] 10 parts of water.

[0100] The preparation method of the modified polypropylene conduit for the above-mentioned power cable, the steps are as follows:

[0101] (1) It is 20wt% that zinc nit...

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Abstract

The invention relates to the field of cable ducts, and discloses a modified polypropylene duct for a power cable and a preparation method of the modified polypropylene duct for the power cable. The duct is prepared from the following components in parts by mass: 90 to 110 parts of polypropylene, 5 to 10 parts of styrene butadiene rubber, 5 to 10 parts of phenoxy resin, 5 to 10 parts of an ethylene-vinyl acetate copolymer, 10 to 20 parts of tetrabutyl titanate, 5 to 10 parts of a silane coupling agent, 2 to 6 parts of a functional additive, 0.1 to 0.5 part of an antioxidant, 1 to 3 parts of a stabilizer, 90 to 110 parts of xylene, 10 to 20 parts of ethanol, and 5 to 20 parts of water. The modified polypropylene duct for the power cable disclosed by the invention is good in dispersion of each component and compatibility in materials, and the modified polypropylene material is relatively good in toughness, impact resistance and antibacterial properties, and long in service life.

Description

technical field [0001] The invention relates to the field of cable conduits, in particular to a modified polypropylene conduit for power cables and a preparation method thereof. Background technique [0002] Polypropylene pipe is a kind of green building material. Polypropylene plastic is non-toxic, tasteless, light in weight and corrosion-resistant; it has good dielectric properties and high-frequency insulation and is not affected by humidity, but polypropylene becomes brittle at low temperatures and is not Abrasion resistance and easy aging lead to poor compression resistance and low temperature impact resistance of polypropylene pipes, which limits its application. When it is used as a cable conduit for underground cables, it cannot fully meet the requirements. [0003] The Chinese patent application number 201210096621.5 discloses a modified polypropylene cable guide, which is made of modified polypropylene material; by weight, the composition of the modified polypropyl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L9/06C08L63/00C08L23/08C08L1/02C08K5/10C08K5/098C08K5/134C08K5/5419H01B3/44
CPCC08L23/12C08L2203/18C08L2203/202C08L2205/035C08L2207/14H01B3/441C08L23/14C08L9/06C08L63/00C08L23/0853C08L1/02C08K5/10C08K5/098C08K5/1345C08K5/5419
Inventor 孔华铭孔维杰
Owner 杭州欣隆实业有限公司
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