High-flame-retardance modified nitrile rubber cable material

A nitrile rubber, high flame retardant technology, applied in the direction of rubber insulators, organic insulators, etc., can solve the problems that the cable flame retardancy cannot meet the high performance requirements of cable materials, poor flame retardancy, etc., achieve good synergistic effect, low temperature resistance Poor performance, good compatibility

Inactive Publication Date: 2015-03-25

ANHUI DUJIANG CABLE GROUP

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AI-Extracted Technical Summary

Problems solved by technology

[0002] Nitrile rubber has excellent oil resistance, high wear resistance, good heat resistance, strong adhesion, and the price of nitrile rubber is cheap and the production capacity is large. It has been widely used in automobiles, aerospace, oil exploration, Petrochemical, wire and cab...

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Abstract

The invention discloses a high-flame-retardance modified nitrile rubber cable material. The raw materials of the high-flame-retardance modified nitrile rubber cable material comprise the following components: nitrile rubber, natural rubber, fluorinated silicone rubber, attapulgite, nano-calcium carbonate, nano-zinc oxide, zinc methacrylate, modified ammonium polyphosphate, dipentaerythritol, aluminium hydroxide, hydrotalcite, polyethylene-graft-maleic anhydride, polydimethylsiloxane, benzoyl peroxide, 2,5-dimethyl-2,5-di(tert-butylperoxy) hexane, lignin, acrylate rubber, accelerant, plasticizer and antiager. The high-flame-retardance modified nitrile rubber cable material disclosed by the invention is good in flame retardance and high in strength, and the cable produced from the high-flame-retardance modified nitrile rubber cable material is long in service life.

Application Domain

Rubber insulators

Technology Topic

Ammonium polyphosphateMaleic anhydride +18

Examples

Experimental program(4)

Example Embodiment

[0017] Example 1

[0018] The high flame-retardant modified nitrile rubber cable material of the present invention includes the following components in parts by weight: 63 parts of nitrile rubber, 25 parts of natural rubber, 5 parts of fluorosilicone rubber, 45 parts of attapulgite, nano carbonic acid 10 parts of calcium, 25 parts of nano zinc oxide, 5 parts of zinc methacrylate, 45 parts of modified ammonium polyphosphate, 20 parts of dipentaerythritol, 20 parts of aluminum hydroxide, 10 parts of hydrotalcite, 3 parts of polyethylene grafted maleic anhydride , 19 parts of polydimethylsiloxane, 1.8 parts of benzoyl peroxide, 2.3 parts of 2,5-dimethyl-2,5-di-tert-butyl peroxide hexane, 8 parts of lignin, acrylic rubber 7 parts, 2 parts accelerator, 4 parts plasticizer, 3 parts antioxidant;

[0019] Wherein, the nitrile rubber is modified nitrile rubber, and the modified nitrile rubber is carboxyl nitrile rubber.

Example Embodiment

[0020] Example 2

[0021] The high flame-retardant modified nitrile rubber cable material of the present invention includes the following components by weight: 85 parts of nitrile rubber, 10 parts of natural rubber, 12 parts of fluorosilicone rubber, 20 parts of attapulgite, and nanometer calcium carbonate 35 parts, 10 parts of nano zinc oxide, 20 parts of zinc methacrylate, 30 parts of modified ammonium polyphosphate, 50 parts of dipentaerythritol, 15 parts of aluminum hydroxide, 3 parts of hydrotalcite, 6 parts of polyethylene grafted maleic anhydride, 10 parts of polydimethylsiloxane, 3.5 parts of benzoyl peroxide, 1.5 parts of 2,5-dimethyl-2,5-di-tert-butylperoxyhexane, 17 parts of lignin, 3 parts of acrylate rubber Parts, 3.5 parts accelerator, 1.5 parts plasticizer, 6 parts antioxidant;

[0022] Wherein, the nitrile rubber is modified nitrile rubber, and the modified nitrile rubber is a combination of hydrogenated nitrile rubber, carboxylated nitrile rubber, and epoxidized nitrile rubber in any ratio by weight; The accelerator is DBX; the plasticizer is diisotridecyl phthalate, trioctyl trimellitate, dioctyl oxalate, dioctyl phthalate, dibutyl sebacate A combination of ester, epoxy soybean oil, and triethylene glycol diisocaprylate in any parts by weight ratio; the antioxidant is antioxidant RD;

[0023] The modified ammonium polyphosphate was prepared according to the following process: after 30 parts of ethanol and 20 parts of ammonium polyphosphate were mixed by weight, stirred and heated to 75°C, 1.2 parts of silane coupling agent KH-151 were added, and after stirring and reacting for 65 minutes Filter, wash the filter residue with absolute ethanol, and then vacuum dry at 95°C to obtain the intermediate; mix 1 part of cashew nut shell liquid with 0.8 part of emulsifier and heat to 45°C, stir and react for 35 minutes, then add to 20 parts of ethanol , Stirring and adding the obtained intermediate, heating to 155°C, adding 0.3 part of ammonium persulfate, stirring and reacting for 7h, filtering, washing with absolute ethanol and vacuum drying at 105°C to obtain the modified ammonium polyphosphate.

Example Embodiment

[0024] Example 3

[0025] The high flame-retardant modified nitrile rubber cable material of the present invention includes the following components in parts by weight: 82 parts of nitrile rubber, 21.2 parts of natural rubber, 9.3 parts of fluorosilicone rubber, 32.5 parts of attapulgite, nano carbonic acid 19 parts of calcium, 21.3 parts of nano zinc oxide, 15.6 parts of zinc methacrylate, 37 parts of modified ammonium polyphosphate, 33 parts of dipentaerythritol, 15.8 parts of aluminum hydroxide, 7 parts of hydrotalcite, 3.7 parts of polyethylene grafted maleic anhydride , 13.6 parts of polydimethylsiloxane, 2.6 parts of benzoyl peroxide, 1.75 parts of 2,5-dimethyl-2,5-di-tert-butyl peroxide hexane, 16 parts of lignin, acrylic rubber 4.5 parts, 2.8 parts of accelerator, 3 parts of plasticizer, 4.5 parts of antioxidant;

[0026] Wherein, the content of acrylonitrile in the nitrile rubber is 30%; the accelerator is a combination of accelerator TMTD and accelerator DM in a ratio of 1:3 parts by weight; and the plasticizer is phthalic acid two The combination of octyl ester, dibutyl sebacate, and epoxy soybean oil in a ratio of 1:3:2 by weight; the antioxidant is antioxidant 4010NA, antioxidant AW, and antioxidant RD in any ratio by weight combination;

[0027] The modified ammonium polyphosphate was prepared according to the following process: 50 parts of ethanol and 40 parts of ammonium polyphosphate were mixed by weight, stirred and heated to 65°C, and 2 parts of silane coupling agent KH-570 and 0.5 parts of silane coupling were added. Coupling agent KH-172, stirred and reacted for 45 minutes, then filtered, the filter residue was washed with absolute ethanol, and then vacuum dried at 100°C to obtain the intermediate; 3 parts of cashew nut shell liquid and 0.2 part of emulsifier were mixed and heated to 56°C After stirring for 10 minutes, add to 45 parts of ethanol, stir and add the obtained intermediate, heat up to 140 ℃, add 1 part of ammonium persulfate, stir for 5 hours, filter, wash with absolute ethanol and vacuum dry at 110 ℃ The modified ammonium polyphosphate is obtained.

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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Classification and recommendation of technical efficacy words

High strength
Good flame retardancy

High-flame-retardance modified nitrile rubber cable material

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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