CN103524805A - Low temperature-resistant insulated fluororubber cable material - Google Patents

Abstract

The invention relates to a cable material and specifically relates to a low temperature-resistant insulated fluororubber cable material. The cable material comprises the following materials in parts by weight: 20-23 parts of butadiene rubber, 12-15 parts of isoprene rubber, 10-12 parts of nylon PA (Polyamide), 20-24 parts of fluororubber, 20-23 parts of white carbon black, 24-28 parts of N330 carbon black, 15-20 parts of nano argil, 4-7 parts of paraffin oil, 2.2-3 parts of stearic acid, 1-2 parts of sulphur, 1-2 parts of dicumyl peroxide, 3-4 parts of epoxy octyl stearate, 3-4 parts of epoxy triglyceride fatty acid, 8-12 parts of N220 carbon black, 2-3 parts of zinc oxide, 1-2 parts of a silane coupling agent KH550, 1-2 parts of an accelerator M and 4-5 parts of auxiliaries. The cable material disclosed by the invention integrates advantages of butadiene rubber, isoprene rubber, fluororubber as well as nylon and the like, so that performance of the conventional fluororubber cable material is improved; the low temperature-resistant insulated fluororubber cable material disclosed by the invention has the advantages of being low temperature resistant, good in tensile property, good in flexibility, good in insulativity and the like, can satisfy using requirements of a specific occasion, and is harmless to environment and human body, and wide in application prospect.

Description

A kind of low temperature resistant insulation viton CABLE MATERIALS

Technical field

The present invention relates to a kind of CABLE MATERIALS, be specifically related to a kind of low temperature resistant insulation viton 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 low temperature resistant insulation viton CABLE MATERIALS is provided, promoted the performance of traditional viton CABLE MATERIALS, make it possess low temperature resistant, the advantage such as tensile property good, snappiness good, good insulating, can adapt to various rugged environment conditions, to achieve these goals, the technical solution used in the present invention is as follows:

A kind of low temperature resistant insulation viton CABLE MATERIALS, it is characterized in that the component that this CABLE MATERIALS comprises following weight part: cis-1,4-polybutadiene rubber 20-23, polyisoprene rubber 12-15, nylon PA12 10-12, viton 20-24, white carbon black 20-23, N330 carbon black 24-28, nanometer potter's clay 15-20, paraffin oil 4-7, stearic acid 2.2-3, sulphur 1-2, dicumyl peroxide 1-2, octyl epoxy stearate 3-4, epoxidation tri-glyceride 3-4, N220 carbon black 8-12, zinc oxide 2-3, Silane coupling agent KH550 1-2, captax 1-2, auxiliary agent 4-5.

The raw material that described auxiliary agent comprises following weight part: lazurite 30-34, diphenylmethanediisocyanate 3-4, tri (propylene glycol) diacrylate 3-4, magnesium oxide 5-6, zinc borate 2-3, jade powder 4-5, phenyl triethoxysilane 1-2, accelerant N a-22 1-2, aluminium nitride 4-5, morpholine 1-2, thiol-butyl tin 1-2, Radix Angelicae Sinensis oil 1-2; Preparation method puts into calcining furnace by lazurite 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 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.

Described a kind of low temperature resistant insulation viton CABLE MATERIALS, its preparation method is as follows:

(1) cis-1,4-polybutadiene rubber, polyisoprene rubber are dropped in Banbury mixer, the 12-15min that plasticates, when Banbury mixer temperature reaches 110-130 ℃, starts discharging, and the material of plasticating is cooling standby;

(2) viton is dropped in Banbury mixer, the 12-15min that plasticates, when Banbury mixer temperature reaches 50-60 ℃, starts discharging, and the material of plasticating is cooling standby;

(3) by step (1), the material that step (2) obtains drops in Banbury mixer together, add stearic acid, mixing 4-5min, then add nanometer potter's clay, mixing 3-5min, first add subsequently 2/3 N330 carbon black, mixing 3-4min, again remaining N330 carbon black is all added, turn refining after 2-3min, add paraffin oil, octyl epoxy stearate, continue mixing 3-5min, when Banbury mixer temperature reaches 80-90 ℃, start discharging, after material to be mixed is completely cooling, drop in mill, add zinc oxide, dicumyl peroxide, sulphur, captax, thin-pass 6-8 time, mill working temperature≤60 ℃,

(4) nylon PA12, epoxidation tri-glyceride, Silane coupling agent KH550, N220 carbon black are mixed, send into twin screw extruder granulation;

(5) material step (3), step (4) being obtained is sent in Banbury mixer, and mixing 3-4min at 100-150 ℃ sends in mill after cooling and opens refining, adds other remaining components, and thin-pass obtains rubber mass of the present invention 6-7 time.

The present invention combines the advantage of the raw materials such as cis-1,4-polybutadiene rubber, polyisoprene rubber, viton and nylon, promoted the performance of traditional viton CABLE MATERIALS, make it possess low temperature resistant, the advantage such as tensile property good, snappiness good, good insulating, can meet the service requirements of specific occasion, and environment and human body, without harm, are had a extensive future.

Embodiment

Embodiment

The raw material that the CABLE MATERIALS of the present embodiment comprises following weight part: cis-1,4-polybutadiene rubber 23, polyisoprene rubber 15, nylon PA12 12, viton 24, white carbon black 23, N330 carbon black 28, nanometer potter's clay 15, paraffin oil 7, stearic acid 3, sulphur 2, dicumyl peroxide 2, octyl epoxy stearate 4, epoxidation tri-glyceride 4, N220 carbon black 12, zinc oxide 3, Silane coupling agent KH550 2, captax 1, auxiliary agent 5.

The raw material that described auxiliary agent comprises following weight part: lazurite 34, diphenylmethanediisocyanate 4, tri (propylene glycol) diacrylate 4, magnesium oxide 5, zinc borate 3, jade powder 5, phenyl triethoxysilane 2, accelerant N a-22 2, aluminium nitride 4, morpholine 2, thiol-butyl tin 2, Radix Angelicae Sinensis oil 2; Preparation method puts into calcining furnace by lazurite at 570 ℃, to calcine 4 hours, cooling, is ground into put into 15% hydrochloric acid soln after 80 orders and soak 3 hours, filters out lazurite powder, clear water is cleaned, and dries, and is ground into 300 order powder, mix with other remaining component, grinding distribution 2 hours, obtains.

Described a kind of low temperature resistant insulation viton CABLE MATERIALS, its preparation method is as follows:

(1) cis-1,4-polybutadiene rubber, polyisoprene rubber are dropped in Banbury mixer, the 15min that plasticates, when Banbury mixer temperature reaches 120 ℃, starts discharging, and the material of plasticating is cooling standby;

(2) viton is dropped in Banbury mixer, the 15min that plasticates, when Banbury mixer temperature reaches 60 ℃, starts discharging, and the material of plasticating is cooling standby;

(3) by step (1), the material that step (2) obtains drops in Banbury mixer together, add stearic acid, mixing 5min, then add nanometer potter's clay, mixing 5min, first add subsequently 2/3 N330 carbon black, mixing 4min, again remaining N330 carbon black is all added, turn refining after 3min, add paraffin oil, octyl epoxy stearate, continue mixing 5min, when Banbury mixer temperature reaches 90 ℃, start discharging, after material to be mixed is completely cooling, drop in mill, add zinc oxide, dicumyl peroxide, sulphur, captax, thin-pass 8 times, mill working temperature≤60 ℃,

(4) nylon PA12, epoxidation tri-glyceride, Silane coupling agent KH550, N220 carbon black are mixed, send into twin screw extruder granulation;

(5) material step (3), step (4) being obtained is sent in Banbury mixer, and mixing 4min at 130 ℃ sends in mill after cooling and opens refining, adds other remaining components, thin-pass 7 times.

CABLE MATERIALS prepared by the present invention, mechanical property is effectively improved, and the indexs such as tensile strength, elongation at break obtain raising simultaneously, possess the features such as low temperature resistant, good insulating.

The performance test results of CABLE MATERIALS of the present invention is: tensile strength is 17.9Mpa, and elongation at break is 425%, and after 90 ℃ * 70h of IRM902 oil processes, tensile strength and elongation at break are respectively 16.9Mpa, volume specific resistance is 1.2 * 10 405%, 20 ℃ time ¹⁴Ω m, under-70 ℃ of conditions, after bending without cracking phenomena, after 120 ℃ * 200h hot air aging, stretching strength retentivity 91.5%, elongation at break conservation rate is 92.3%.

Claims (2)

1. a low temperature resistant insulation viton CABLE MATERIALS, it is characterized in that, this CABLE MATERIALS is comprised of the raw material of following weight part: cis-1,4-polybutadiene rubber 20-23, polyisoprene rubber 12-15, nylon PA12 10-12, viton 20-24, white carbon black 20-23, N330 carbon black 24-28, nanometer potter's clay 15-20, paraffin oil 4-7, stearic acid 2.2-3, sulphur 1-2, dicumyl peroxide 1-2, octyl epoxy stearate 3-4, epoxidation tri-glyceride 3-4, N220 carbon black 8-12, zinc oxide 2-3, Silane coupling agent KH550 1-2, captax 1-2, auxiliary agent 4-5;

The raw material that described auxiliary agent comprises following weight part: lazurite 30-34, diphenylmethanediisocyanate 3-4, tri (propylene glycol) diacrylate 3-4, magnesium oxide 5-6, zinc borate 2-3, jade powder 4-5, phenyl triethoxysilane 1-2, accelerant N a-22 1-2, aluminium nitride 4-5, morpholine 1-2, thiol-butyl tin 1-2, Radix Angelicae Sinensis oil 1-2; Preparation method puts into calcining furnace by lazurite 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 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.

2. a kind of low temperature resistant insulation viton CABLE MATERIALS as claimed in claim 1, its manufacture craft is as follows:

(1) cis-1,4-polybutadiene rubber, polyisoprene rubber are dropped in Banbury mixer, the 12-15min that plasticates, when Banbury mixer temperature reaches 110-130 ℃, starts discharging, and the material of plasticating is cooling standby;

(2) viton is dropped in Banbury mixer, the 12-15min that plasticates, when Banbury mixer temperature reaches 50-60 ℃, starts discharging, and the material of plasticating is cooling standby;

(3) by step (1), the material that step (2) obtains drops in Banbury mixer together, add stearic acid, mixing 4-5min, then add nanometer potter's clay, mixing 3-5min, first add subsequently 2/3 N330 carbon black, mixing 3-4min, again remaining N330 carbon black is all added, turn refining after 2-3min, add paraffin oil, octyl epoxy stearate, continue mixing 3-5min, when Banbury mixer temperature reaches 80-90 ℃, start discharging, after material to be mixed is completely cooling, drop in mill, add zinc oxide, dicumyl peroxide, sulphur, captax, thin-pass 6-8 time, mill working temperature≤60 ℃,

(4) nylon PA12, epoxidation tri-glyceride, Silane coupling agent KH550, N220 carbon black are mixed, send into twin screw extruder granulation;

(5) material step (3), step (4) being obtained is sent in Banbury mixer, and mixing 3-4min at 100-150 ℃ sends in mill after cooling and opens refining, adds other remaining components, and thin-pass obtains rubber mass of the present invention 6-7 time.