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Modified calcium carbonate used for cable rubber sheath

A rubber sheath and calcium carbonate technology, which is applied in the field of modified calcium carbonate for cable rubber sheaths, can solve problems such as poor dispersion and poor rubber compatibility, and achieve easy production, improved elongation at break, and wide application Effect

Inactive Publication Date: 2018-01-19
贺州钟山县双文碳酸钙新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a modified calcium carbonate used in cable rubber sheaths to solve the existing problems of calcium carbonate such as hydrophilic and oleophobic, poor dispersibility, and poor compatibility with rubber.

Method used

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  • Modified calcium carbonate used for cable rubber sheath
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Examples

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Effect test

Embodiment 1

[0024] A modified calcium carbonate used for cable rubber sheath, the modified calcium carbonate is in parts by weight, including the following raw materials: 124 parts of calcium carbonate stone, 4 parts of higher fatty alcohol, 8 parts of triisopropylamine, carbon black 13 parts, 9 parts of sodium polystyrene sulfonate, 1.2 parts of sodium methacrylate sulfonate, 1.4 parts of vinyl tris (2-methoxyethoxy) silane, 0.7 parts of trimethylbutylperoxysilane, methyl 0.9 parts of glycidyl acrylate, 1.3 parts of n-butyl methacrylate, 2.1 parts of allyl methacrylate crosslinked polymer, 0.5 parts of hexamethylenetetramine, 4 parts of magnesium oxide, 0.8 parts of titanium dioxide, calcium 1.2 parts of soap stabilizer.

[0025] Titanium dioxide was modified by eicosyl laurate at pH 5.3 and temperature 30°C.

[0026] The present invention also provides a kind of modified calcium carbonate preparation method that is used for cable rubber sheath, comprises the following steps:

[0027] ...

Embodiment 2

[0033] A modified calcium carbonate used for cable rubber sheath, the modified calcium carbonate is in parts by weight, including the following raw materials: 112 parts of calcium carbonate stone, 2 parts of higher fatty alcohol, 6 parts of triisopropylamine, carbon black 8 parts, 6 parts of sodium polystyrene sulfonate, 0.9 parts of sodium methacrylate sulfonate, 1.1 parts of vinyl tris(2-methoxyethoxy) silane, 0.3 parts of trimethylbutylperoxysilane, 0.5 parts of glycidyl acrylate, 1.1 parts of n-butyl methacrylate, 1.5 parts of allyl methacrylate crosslinked polymer, 0.3 parts of hexamethylenetetramine, 3 parts of magnesium oxide, 0.5 parts of titanium dioxide, zinc 0.3 part of soap stabilizer.

[0034] Titanium dioxide is modified by modifiers of eicosyl laurate, behenyl laurate, and oleyl laurate at pH 5.9 and temperature 37°C.

[0035] The present invention also provides a kind of modified calcium carbonate preparation method that is used for cable rubber sheath, compri...

Embodiment 3

[0042]A modified calcium carbonate used for cable rubber sheath, the modified calcium carbonate is in parts by weight, including the following raw materials: 130 parts of calcium carbonate stone, 5 parts of higher fatty alcohol, 10 parts of triisopropylamine, carbon black 15 parts, 13 parts of sodium polystyrene sulfonate, 1.5 parts of sodium methacrylate sulfonate, 1.7 parts of vinyl tris (2-methoxyethoxy) silane, 0.8 parts of trimethylbutylperoxysilane, methyl 1.2 parts of glycidyl acrylate, 1.5 parts of n-butyl methacrylate, 2.3 parts of allyl methacrylate crosslinked polymer, 0.8 parts of hexamethylenetetramine, 5 parts of magnesium oxide, 1.2 parts of titanium dioxide, calcium 0.5 parts of soap stabilizer, 0.9 parts of zinc soap stabilizer.

[0043] Titanium dioxide is modified by behenyl laurate and oleyl laurate at pH 6.5 and temperature 48°C.

[0044] The present invention also provides a kind of modified calcium carbonate preparation method that is used for cable rub...

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Abstract

The invention discloses modified calcium carbonate used for a cable rubber sheath. The modified calcium carbonate comprises the following raw materials: calcium carbonate stone, higher fatty alcohol,triisopropylamine, carbon black, sodium polystyrenesulfonate, sodium methylacrylsulfonate, vinyltris(2-methoxyethoxy)silane, trimethyl butylperoxy silane, glycidyl methacrylate, n-butyl methacrylate,an allyl methacrylate crosslinked polymer, hexamethylenetetramine, magnesium oxide, titanium dioxide and a stabilizing agent. The modified calcium carbonate is prepared through the following steps: calcium carbonate powder preparation, mixing with raw materials under stirring, drying, crushing, etc. The modified calcium carbonate prepared by using the method provided by the invention has good compatibility with the cable rubber sheath, can be uniformly dispersed, and significantly improves mechanical properties of the cable rubber sheath.

Description

【Technical field】 [0001] The invention belongs to the technical field of preparation of modified calcium carbonate, and in particular relates to a modified calcium carbonate used for cable rubber sheaths. 【Background technique】 [0002] The cable rubber sheath is an indispensable intermediate structural part in the production process of the cable. It plays a vital role in the protection of the cable, ensuring the safety of the cable, and at the same time isolating the cable core from water, air and other media, which can not only avoid leakage The phenomenon can also prolong the service life. During the laying and moving process of the cable, scratches and abrasions are prone to occur, causing damage to the cable rubber sheath and causing safety hazards. Therefore, the cable rubber sheath should have better wear resistance and scratch resistance. [0003] Calcium carbonate, as a wear-resistant inorganic filler, has been used in related research applications in cable sheaths...

Claims

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Application Information

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IPC IPC(8): C08K9/04C08K3/26C08K3/04C08K3/22C08L21/00
Inventor 唐文易双
Owner 贺州钟山县双文碳酸钙新材料有限公司
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