CN103554573A

CN103554573A - Ozone-proof, wear-resistant and flame-retardant modified nitrile rubber cable material

Info

Publication number: CN103554573A
Application number: CN201310519911.0A
Authority: CN
Inventors: 谢华
Original assignee: Lvbao Cable Group Co Ltd
Current assignee: Qingdao Yilan Cable Co ltd
Priority date: 2013-10-29
Filing date: 2013-10-29
Publication date: 2014-02-05
Anticipated expiration: 2033-10-29
Also published as: CN103554573B

Abstract

The invention relates to a cable material, and particularly relates to an ozone-proof, wear-resistant and flame-retardant modified nitrile rubber cable material. The cable material comprises the following raw materials in parts by weight: 40-43 parts of nitrile rubber, 2-4 parts of asbestos fiber, 12-15 parts of ethylene propylene terpolymer, 12-15 parts of ethylene vinyl acetate (EVA), 3-4 parts of stearic acid, 1-3 parts of zinc stearate, 30-40 parts of spray carbon black, 1-2 parts of accelerant M, 1-2 parts of sulphur, 2-3 parts of resorcinol, 1-2 parts of hexamine, 2-3 parts of methyl triethoxysilane, 4-7 parts of nanometer titania, 30-35 parts of white carbon black, 5-7 parts of palm wax, 1-2 parts of 2,2-bi(4-hydroxyphenyl) hexafluoropropane, 6-8 parts of benzyltriphenylphosphonium chloride and 4-5 parts of assistant. The cable material is combined with advantages of the raw materials such as nitrile rubber, ethylene propylene terpolymer and EVA; the performance of the traditional mixed material of the nitrile rubber and the ethylene propylene terpolymer is improved; the mechanical property is also improved; the prepared cable material has ozone corrosion resistance, wear-resisting property and fire resistance, can meet a specific condition of a service environment, and has a broad market application prospect.

Description

A kind of abrasion resistant fire blocking of resistance to ozone modified butadiene acrylonitrile rubber CABLE MATERIALS

Technical field

The present invention relates to a kind of CABLE MATERIALS, be specifically related to a kind of abrasion resistant fire blocking of resistance to ozone modified butadiene acrylonitrile rubber CABLE MATERIALS and preparation method thereof.

Background technology

Along with expanding economy, the market of cable is wide, promoting the progress of CABLE MATERIALS production technology, CABLE MATERIALS is not only of many uses, and its performance index are had to special requirement, such as insulativity, tensile strength, use temperature, the indexs such as flame retardant properties all have strict requirement, constantly improve the performance of CABLE MATERIALS, it is the active demand of economy and social development, there is poor fire more in traditional CABLE MATERIALS, high temperature is yielding, poor mechanical property, the problems such as work-ing life is short, bring a lot of inconvenience to actual use, even threaten people's the security of the lives and property, therefore, be badly in need of changing original CABLE MATERIALS formula, improve material property, with the various demand in appropriate cable market.

Summary of the invention

The object of the invention is to, a kind of abrasion resistant fire blocking of resistance to ozone modified butadiene acrylonitrile rubber CABLE MATERIALS is provided, promoted the performance of traditional paracril and terpolymer EP rubber intermingling material, make it possess superior resistance to ozone, oil resistance, can adapt to specific environment for use condition, to achieve these goals, the technical solution used in the present invention is as follows:

A kind of abrasion resistant fire blocking of resistance to ozone modified butadiene acrylonitrile rubber CABLE MATERIALS, it is characterized in that, the component that this CABLE MATERIALS comprises following weight part: paracril 40-43, fibrous magnesium silicate 2-4, terpolymer EP rubber 12-15, EVA 12-15, stearic acid 3-4, Zinic stearas 1-3, spray carbon black 30-40, captax 1-2, sulphur 1-2, Resorcinol 2-3, vulkacit H 1-2, Union carbide A-162 2-3, nano titanium oxide 4-7, white carbon black 30-35, palm wax 5-7, 2, two (4-hydroxyphenyl) the HFC-236fa 1-2 of 2-, BPP 6-8, auxiliary agent 4-5.

The raw material that described auxiliary agent comprises following weight part: lazurite 20-25, linking agent TAC 3-4, double pentaerythritol methacrylate 2-3, dimethyl silicone oil 2-3, silicon carbide 1-2, urotropine 1-2, aminopropyl triethoxysilane 2-3, accelerant CZ 1-2, vermiculite 3-4, zinc borate 1-2, zinc oxide 2-3, Fructus Zanthoxyli oil 1-2; Preparation method puts into calcining furnace by lazurite, vermiculite to calcine 3-4 hour at 550-570 ℃, cooling, be ground into and put into 12-15% hydrochloric acid soln after 50-100 order and soak 2-3 hour, filter out lazurite, vermiculite powder, clear water is cleaned, and dries, be ground into 200-300 order powder, mix with other remaining component, grinding distribution 1-2 hour, obtains.

The described a kind of abrasion resistant fire blocking of resistance to ozone modified butadiene acrylonitrile rubber CABLE MATERIALS, its preparation method is as follows:

(1) EVA, Resorcinol, white carbon black are mixed, send into twin screw extruder granulation;

(2) paracril, terpolymer EP rubber are dropped in Banbury mixer, 12-15min plasticates, when Banbury mixer temperature reaches 130-150 ℃, start discharging, after the material of plasticating is cooling, send in Banbury mixer, add other surplus stocks, mixing 8-10min, when banburying temperature reaches 110-125 ℃, start discharging, compound is cooling standby;

(3) material step (1), step (2) being obtained is sent in Banbury mixer together, and mixing 2-3min at 80-130 ℃ sends in mill after cooling and opens refining, and thin-pass 6-7 time, obtains rubber mass of the present invention.

The present invention combines the advantage of the raw materials such as paracril, terpolymer EP rubber and EVA, promoted the performance of traditional paracril and terpolymer EP rubber mixing material, its mechanical property is improved, the resistance to ozone corrosion of CABLE MATERIALS of preparation, wear-resistant, fire-retardant, can meet specific environment for use condition, market application foreground is wide.

Embodiment

The raw material that the CABLE MATERIALS of the present embodiment comprises following weight part: paracril 43, fibrous magnesium silicate 4, terpolymer EP rubber 15, EVA 15, stearic acid 4, Zinic stearas 3, spray carbon black 30, captax 2, sulphur 2, Resorcinol 3, vulkacit H 2, Union carbide A-162 3, nano titanium oxide 7, white carbon black 35, palm wax 7,2, two (4-hydroxyphenyl) HFC-236fa 2 of 2-, BPP 8, auxiliary agent 5.

The raw material that described auxiliary agent comprises following weight part: lazurite 25, linking agent TAC 4, double pentaerythritol methacrylate 3, dimethyl silicone oil 3, silicon carbide 2, urotropine 1, aminopropyl triethoxysilane 3, accelerant CZ 2, vermiculite 4, zinc borate 2, zinc oxide 3, Fructus Zanthoxyli oil 2; Preparation method puts into calcining furnace by lazurite, vermiculite at 570 ℃, to calcine 4 hours, cooling, be ground into and put into 15% hydrochloric acid soln after 80 orders and soak 3 hours, filter out lazurite, vermiculite powder, clear water is cleaned, and dries, be ground into 300 order powder, mix with other remaining component, grinding distribution 1.5 hours, obtains.

(2) paracril, terpolymer EP rubber are dropped in Banbury mixer, 15min plasticates, when Banbury mixer temperature reaches 135 ℃, start discharging, after the material of plasticating is cooling, send in Banbury mixer, add other surplus stocks, mixing 10min, when banburying temperature reaches 125 ℃, start discharging, compound is cooling standby;

(3) material step (1), step (2) being obtained is sent in Banbury mixer together, and mixing 2min at 90 ℃ sends in mill after cooling and opens refining, and thin-pass 7 times, obtains rubber mass of the present invention.

CABLE MATERIALS prepared by the present invention, mechanical property is effectively improved, tensile strength, the indexs such as elongation at break obtain and improve, and possess good resistance to ozone, wear-resisting, flame retardant properties.

The performance test results of CABLE MATERIALS of the present invention is: tensile strength is 18.7Mpa, elongation at break is 428%, after 90 ℃ * 70h of IRM902 oil processes, tensile strength and elongation at break are respectively 17.9Mpa, 398%, after 136 ℃ * 168h hot air aging, stretching strength retentivity 98.5%, elongation at break conservation rate is 98.1%, the long-time steady operation of energy under 100 ℃ of environment, and limiting oxygen index(LOI) is 41%, under 25 ℃ * 30h, ozone concn 0.025-0.030% condition, flawless occurs.

Claims

1. the abrasion resistant fire blocking of a resistance to ozone modified butadiene acrylonitrile rubber CABLE MATERIALS, it is characterized in that, this CABLE MATERIALS is comprised of the raw material of following weight part: paracril 40-43, fibrous magnesium silicate 2-4, terpolymer EP rubber 12-15, EVA 12-15, stearic acid 3-4, Zinic stearas 1-3, spray carbon black 30-40, captax 1-2, sulphur 1-2, Resorcinol 2-3, vulkacit H 1-2, Union carbide A-162 2-3, nano titanium oxide 4-7, white carbon black 30-35, palm wax 5-7, 2, two (4-hydroxyphenyl) the HFC-236fa 1-2 of 2-, BPP 6-8, auxiliary agent 4-5,

2. a kind of abrasion resistant fire blocking of resistance to ozone modified butadiene acrylonitrile rubber CABLE MATERIALS as claimed in claim 1, its manufacture craft is as follows: