CN101173067A - High-strength cold hardiness cable sheath rubber and technique of preparing the same thereof - Google Patents
High-strength cold hardiness cable sheath rubber and technique of preparing the same thereof Download PDFInfo
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- CN101173067A CN101173067A CNA200710047647XA CN200710047647A CN101173067A CN 101173067 A CN101173067 A CN 101173067A CN A200710047647X A CNA200710047647X A CN A200710047647XA CN 200710047647 A CN200710047647 A CN 200710047647A CN 101173067 A CN101173067 A CN 101173067A
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Abstract
The invention provides a high strength and non freezing cable cover rubber and a preparation process thereof, aiming at the disadvantages of the prior art and the market requirement. The M300 stress at elongation of the high strength and non freezing cable cover rubber is 6.5 to 7.0N/mm<2>, the breaking elongation is 400 to 500 percent, the tensile strength is 12.5 to 13.8 N per mm<2>, permanent set after breaking is 30 to 50 percent, the T-shaped tearing strength is 6.5 to 7.5 N /mm, and after aging by the heat air of 75 DEG C*240 hours, the tensile strength retention rate is not less than 90 percent, and the breaking elongation retention rate is not less than 80 percent. The non freezing property for the finished product cable prepared by adopting the cover rubber of the invention can pass the extremely low temperature impact and extremely low temperature bending test regulated in the UL44 standard, and the flame retardant property can pass a bundling burning test. Compared with the prior art, the cover rubber of the invention not only has higher mechanical property than the common rubber, but also has the advantages of low temperature and medium prevention. So the service life of the cable is prolonged under the condition of low temperature and having oil.
Description
Technical field
The present invention relates to a kind of cable sheath rubber and preparation technology thereof, specifically, relates to a kind of high-strength cold hardiness cable sheath rubber and preparation technology thereof.
Background technology
Elasticity is that rubber is as one of the most valuable performance of engineering materials.Under very low temperature, because the rubber molecule segment is frozen, thereby lose the distinctive elasticity of rubber, hardening becomes fragile, the forfeiture use properties.When the sheath rubber of existing common cable uses, be unable to undergo repeatedly bending under-60 ℃ condition, just ftracture.This sheath material can not satisfy present surface mines cold resistant cable service requirements.
Summary of the invention
The present invention is directed to the above-mentioned the deficiencies in the prior art and the market requirement, a kind of high-strength cold hardiness cable sheath rubber and preparation technology thereof are provided.
High-strength cold hardiness cable sheath rubber provided by the invention, its composition and proportioning are: neoprene rubber 17%～20.5%, chlorinated polyethylene resin 5%～14%, the caouttchouc 12%～21% of plasticating, fatty diacid ester plasticizer 2.1%～3.2%, activated magnesia 1.8%～2.1%, substituted diphenylamine antioxidant 1.2%～1.4%, additive flame retardant 6%～7%, zinc oxide 2.0%, tetramethyl-thiuram disulfide 0.32%～0.36%, dibenzothiazyl disulfide 0.2 9%～0.34%, 2-thiol group tetrahydroglyoxaline 0.34%～0.37%, carbon black 6%～7.2%, silica 1 2%～14%, wollastonite powder 6%～10%, kaolin 6%～16%, stearic acid 1.2%～1.4%, paraffin 2.0%～2.5%.
Above-mentioned fatty diacid ester plasticizer is a dioctyl sebacate.
The preparation technology of described high-strength cold hardiness cable sheath rubber may further comprise the steps:
A, batch mixing
1) 0.1～0.2% o-hydroxythiobenzoic acid that adds caouttchouc and caouttchouc weight mixes 5～15 minutes caouttchoucs of must plasticating in Banbury mixer;
2) chlorinated polyethylene resin and neoprene rubber are added in the coarse fodder of step 1, mixed 2～3 minutes;
3) activated magnesia, substituted diphenylamine antioxidant, additive flame retardant, silicon-dioxide and stearic acid are added in the coarse fodder of step 2, mixed 2～3 minutes;
4) carbon black, wollastonite powder and paraffin are added in the coarse fodder of step 3, mixed 3～4 minutes;
5) kaolin and fatty diacid ester plasticizer are added in the coarse fodder of step 4, mixed 3～4 minutes;
6) above-mentioned mixed coarse fodder is entered from Banbury mixer in the mill, the Banbury mixer dump temperature is controlled at 100 ℃～110 ℃;
7) in mill above-mentioned mixed coarse fodder is drawn thin-pass, the roll spacing when drawing thin-pass is 2mm～5mm;
8) treat that the sizing material temperature is lower than 95 ℃, add zinc oxide, tetramethyl-thiuram disulfide, dibenzothiazyl disulfide, 2-thiol group tetrahydroglyoxaline in mill, mixed 10～40 minutes, the roll spacing during mixing is controlled at 5mm～10mm;
B, crowded rubber
Adopt two rubber extruding machines to squeezing, rubber extruding machine charging opening temperature is controlled at 30～40 ℃, and one section temperature of rubber extruding machine is controlled at 40～50 ℃, and two sections temperature of rubber extruding machine are controlled at 40～50 ℃, three sections temperature of rubber extruding machine are controlled at 50～60 ℃, and the rubber extruding machine head temperature is controlled at 60～70 ℃;
C, sulfuration
Above-mentioned extruded stock is advanced the cylinder sulfuration, and sulfuration steam pressure is 0.3～0.5Mpa, and the admission time is no more than 12～15 minutes, and soaking time is 40～60 minutes, and the steam bleeding time was controlled at 40～80 minutes.
Extruded stock advances the cylinder sulfuration with the infantees form among the above-mentioned preparation technology.
After testing, the M300 tensile modulus of high-strength cold hardiness cable sheath rubber of the present invention is 6.5～7.0N/mm
2, elongation at break is 400～500%, tensile strength is 12.5～13.8N/mm
2, fracture back permanent set is 30～50%, ' T ' type tearing strength is 6.5～7.5N/mm, and after 75 ℃ * 240h hot air aging, tensile strength retention rate 〉=90%, reserved elongation at break 〉=80%.Adopt utmost point low-temperature impact and the utmost point low-temperature bending test of cold tolerance by stipulating in the UL44 standard of the finished cable of high-strength cold hardiness cable sheath rubber preparation of the present invention, the flame retardant properties of finished cable is passed through bunched burning test.
Compared with prior art, the mechanical property of high-strength cold hardiness cable sheath rubber of the present invention is not only than common rubber height, and has characteristic low temperature resistant, media-resistant, prolonged cable at low temperature, arranged the work-ing life under the deep-fried twisted dough sticks spare.
Embodiment
Below in conjunction with embodiment the present invention is done further detailed, complete explanation:
Embodiment 1
The composition of the high-strength cold hardiness cable sheath rubber that present embodiment provides and proportioning are: neoprene rubber 19%, chlorinated polyethylene resin 14%, the caouttchouc 12% of plasticating, dioctyl sebacate softening agent 3.2%, activated magnesia 1.8%, substituted diphenylamine antioxidant 1.4%, additive flame retardant 6.8%, zinc oxide 2.0%, tetramethyl-thiuram disulfide 0.36%, dibenzothiazyl disulfide 0.30%, 2-thiol group tetrahydroglyoxaline 0.34%, carbon black 7.2%, silica 1 2%, wollastonite powder 10%, kaolin 6%, stearic acid 1.4%, paraffin 2.2%.
The preparation technology of described high-strength cold hardiness cable sheath rubber may further comprise the steps:
A, batch mixing
1) 0.1～0.2% o-hydroxythiobenzoic acid that adds caouttchouc and caouttchouc weight mixes 5～15 minutes caouttchoucs of must plasticating in Banbury mixer;
2) chlorinated polyethylene resin and neoprene rubber are added in the coarse fodder of step 1, mixed 2～3 minutes;
3) activated magnesia, substituted diphenylamine antioxidant, additive flame retardant, silicon-dioxide and stearic acid are added in the coarse fodder of step 2, mixed 2～3 minutes;
4) carbon black, wollastonite powder and paraffin are added in the coarse fodder of step 3, mixed 3～4 minutes;
5) kaolin and fatty diacid ester plasticizer are added in the coarse fodder of step 4, mixed 3～4 minutes;
6) above-mentioned mixed coarse fodder is entered from Banbury mixer in the mill, the Banbury mixer dump temperature is controlled at 100 ℃～110 ℃;
7) in mill above-mentioned mixed coarse fodder is drawn thin-pass, the roll spacing when drawing thin-pass is 2mm～5mm;
8) treat that the sizing material temperature is lower than 95 ℃, add zinc oxide, tetramethyl-thiuram disulfide, dibenzothiazyl disulfide, 2-thiol group tetrahydroglyoxaline in mill, mixed 3～5 minutes, the roll spacing during mixing is controlled at 5mm～10mm;
B, crowded rubber
Adopt two rubber extruding machines to squeezing, rubber extruding machine charging opening temperature is controlled at 30～40 ℃, and one section temperature of rubber extruding machine is controlled at 40～50 ℃, and two sections temperature of rubber extruding machine are controlled at 40～50 ℃, three sections temperature of rubber extruding machine are controlled at 50～60 ℃, and the rubber extruding machine head temperature is controlled at 60～70 ℃;
C, sulfuration
Above-mentioned extruded stock is advanced the cylinder sulfuration, and sulfuration steam pressure is 0.3～0.5Mpa, and the admission time is no more than 12～15 minutes, and soaking time is 40～60 minutes, and the steam bleeding time was controlled at 40～80 minutes.
After testing, the M300 tensile modulus of present embodiment high-strength cold hardiness cable sheath rubber is 6.5N/mm
2, elongation at break is 440%, tensile strength is 12.5N/mm
2, fracture back permanent set is 40%, and ' T ' type tearing strength is 7.0N/mm, and after 75 ℃ * 240h hot air aging, the tensile strength retention rate reaches 99%, and reserved elongation at break reaches 88%.Adopt utmost point low-temperature impact and the utmost point low-temperature bending test of cold tolerance by stipulating in the UL44 standard of the finished cable of present embodiment high-strength cold hardiness cable sheath rubber preparation, the flame retardant properties of finished cable is passed through bunched burning test.
Embodiment 2
Be with the difference of embodiment 1, the composition of the high-strength cold hardiness cable sheath rubber that present embodiment provides and proportioning are: neoprene rubber 20.5%, chlorinated polyethylene resin 8.2%, the caouttchouc 12.3% of plasticating, dioctyl sebacate softening agent 2.1%, activated magnesia 1.8%, substituted diphenylamine antioxidant 1.2%, additive flame retardant 6.2%, zinc oxide 2.0%, tetramethyl-thiuram disulfide 0.34%, dibenzothiazyl disulfide 0.29%, 2-thiol group tetrahydroglyoxaline 0.37%, carbon black 6.2%, silica 1 3.1%, wollastonite powder 6.2%, kaolin 16%, stearic acid 1.2%, paraffin 2.0%.
Embodiment 3
Be with the difference of embodiment 1, the composition of the high-strength cold hardiness cable sheath rubber that present embodiment provides and proportioning are: neoprene rubber 17%, chlorinated polyethylene resin 5%, the caouttchouc 21% of plasticating, dioctyl sebacate softening agent 3%, activated magnesia 1.8%, substituted diphenylamine antioxidant 1.3%, additive flame retardant 6.36%, zinc oxide 2.0%, tetramethyl-thiuram disulfide 0.35%, dibenzothiazyl disulfide 0.34%, 2-thiol group tetrahydroglyoxaline 0.35%, carbon black 7%, silica 1 4%, wollastonite powder 10%, kaolin 7%, stearic acid 1.3%, paraffin 2.2%.
Claims (4)
1. high-strength cold hardiness cable sheath rubber, it is characterized in that, the composition of described sheath rubber and proportioning are: neoprene rubber 17%～20.5%, chlorinated polyethylene resin 5%～14%, the caouttchouc 12%～21% of plasticating, fatty diacid ester plasticizer 2.1%～3.2%, activated magnesia 1.8%～2.1%, substituted diphenylamine antioxidant 1.2%～1.4%, additive flame retardant 6%～7%, zinc oxide 2.0%, tetramethyl-thiuram disulfide 0.32%～0.36%, dibenzothiazyl disulfide 0.29%～0.34%, 2-thiol group tetrahydroglyoxaline 0.34%～0.37%, carbon black 6%～7.2%, silica 1 2%～14%, wollastonite powder 6%～10%, kaolin 6%～16%, stearic acid 1.2%～1.4%, paraffin 2.0%～2.5%.
2. high-strength cold hardiness cable sheath rubber according to claim 1 is characterized in that, described fatty diacid ester plasticizer is a dioctyl sebacate.
3. the preparation technology of the described high-strength cold hardiness cable sheath rubber of claim 1 is characterized in that, described technology may further comprise the steps:
A, batch mixing
1) 0.1～0.2% o-hydroxythiobenzoic acid that adds caouttchouc and caouttchouc weight mixes 5～15 minutes caouttchoucs of must plasticating in Banbury mixer;
2) chlorinated polyethylene resin and neoprene rubber are added in the coarse fodder of step 1, mixed 2～3 minutes;
3) activated magnesia, substituted diphenylamine antioxidant, additive flame retardant, silicon-dioxide and stearic acid are added in the coarse fodder of step 2, mixed 2～3 minutes;
4) carbon black, wollastonite powder and paraffin are added in the coarse fodder of step 3, mixed 3～4 minutes;
5) kaolin and fatty diacid ester plasticizer are added in the coarse fodder of step 4, mixed 3～4 minutes;
6) above-mentioned mixed coarse fodder is entered from Banbury mixer in the mill, the Banbury mixer dump temperature is controlled at 100 ℃～110 ℃;
7) in mill above-mentioned mixed coarse fodder is drawn thin-pass, the roll spacing when drawing thin-pass is 2mm～5mm;
8) treat that the sizing material temperature is lower than 95 ℃, add zinc oxide, tetramethyl-thiuram disulfide, dibenzothiazyl disulfide, 2-thiol group tetrahydroglyoxaline in mill, mixed 3～5 minutes, the roll spacing during mixing is controlled at 5mm～10mm;
B, crowded rubber
Adopt two rubber extruding machines to squeezing, rubber extruding machine charging opening temperature is controlled at 30～40 ℃, and one section temperature of rubber extruding machine is controlled at 40～50 ℃, and two sections temperature of rubber extruding machine are controlled at 40～50 ℃, three sections temperature of rubber extruding machine are controlled at 50～60 ℃, and the rubber extruding machine head temperature is controlled at 60～70 ℃;
C, sulfuration
Above-mentioned extruded stock is advanced the cylinder sulfuration, and sulfuration steam pressure is 0.3～0.5Mpa, and the admission time is no more than 12～15 minutes, and soaking time is 40～60 minutes, and the steam bleeding time was controlled at 40～80 minutes.
4. the preparation technology of high-strength cold hardiness cable sheath rubber according to claim 3 is characterized in that, the extruded stock among the described preparation technology advances the cylinder sulfuration with the infantees form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710047647A CN100577722C (en) | 2007-10-31 | 2007-10-31 | High-strength cold hardiness cable sheath rubber and technique of preparing the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710047647A CN100577722C (en) | 2007-10-31 | 2007-10-31 | High-strength cold hardiness cable sheath rubber and technique of preparing the same |
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| CN101173067A true CN101173067A (en) | 2008-05-07 |
| CN100577722C CN100577722C (en) | 2010-01-06 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101463168B (en) * | 2009-01-05 | 2010-12-01 | 天津鹏翎胶管股份有限公司 | Formula of chlorinated polythylene rubber pipe |
| CN101575434B (en) * | 2009-06-23 | 2011-06-01 | 安徽纵横高科电缆股份有限公司 | Oilproof cabtyre insulation material |
| CN101613497B (en) * | 2008-06-24 | 2011-07-20 | 宁波纬尚汽车零部件有限公司 | Sizing material formula of low-temperature resistant automobile constant velocity universal joint seal cover |
| CN102372864A (en) * | 2011-06-28 | 2012-03-14 | 江苏远洋东泽电缆股份有限公司 | Signal flexible cable sheath material for underwater dredging bucket of dredger and production method thereof |
| CN102532618A (en) * | 2011-12-30 | 2012-07-04 | 合肥市石川工程机械有限公司 | High-abrasion-resistance prestressed vacuum grouting pump stator rubber sleeve compound and preparation method thereof |
| CN102532617A (en) * | 2011-12-30 | 2012-07-04 | 合肥市石川工程机械有限公司 | Prestressed vacuum grouting pump screw stator sleeve rubber compound and preparation method thereof |
| CN102558622A (en) * | 2011-12-30 | 2012-07-11 | 合肥市石川工程机械有限公司 | Rubber material for stator rubber sleeve of prestressed vacuum grout pump and preparation method thereof |
| CN103360652A (en) * | 2013-06-21 | 2013-10-23 | 安徽荣玖光纤通信科技有限公司 | UV (ultraviolet)-resisting cable sheath material and method for preparing same |
| CN103554557A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | Anti-corrosion natural rubber cable material |
| CN103788437A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Cold-resistant cable sheath material |
| CN103788436A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Flame retardant mine cable sheath material |
| CN105968466A (en) * | 2016-05-13 | 2016-09-28 | 吉林师范大学 | Low-temperature-resistant and aging-resistant chloroprene rubber composite material |
| CN110907345A (en) * | 2019-11-19 | 2020-03-24 | 浙江万马高分子材料集团有限公司 | Aging performance testing method of silane crosslinked polyethylene cable material |
| CN113016665A (en) * | 2021-03-09 | 2021-06-25 | 海南卓津蜂业有限公司 | Multi-functional bee-keeping equipment |
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2007
- 2007-10-31 CN CN200710047647A patent/CN100577722C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101613497B (en) * | 2008-06-24 | 2011-07-20 | 宁波纬尚汽车零部件有限公司 | Sizing material formula of low-temperature resistant automobile constant velocity universal joint seal cover |
| CN101463168B (en) * | 2009-01-05 | 2010-12-01 | 天津鹏翎胶管股份有限公司 | Formula of chlorinated polythylene rubber pipe |
| CN101575434B (en) * | 2009-06-23 | 2011-06-01 | 安徽纵横高科电缆股份有限公司 | Oilproof cabtyre insulation material |
| CN102372864A (en) * | 2011-06-28 | 2012-03-14 | 江苏远洋东泽电缆股份有限公司 | Signal flexible cable sheath material for underwater dredging bucket of dredger and production method thereof |
| CN102532618A (en) * | 2011-12-30 | 2012-07-04 | 合肥市石川工程机械有限公司 | High-abrasion-resistance prestressed vacuum grouting pump stator rubber sleeve compound and preparation method thereof |
| CN102532617A (en) * | 2011-12-30 | 2012-07-04 | 合肥市石川工程机械有限公司 | Prestressed vacuum grouting pump screw stator sleeve rubber compound and preparation method thereof |
| CN102558622A (en) * | 2011-12-30 | 2012-07-11 | 合肥市石川工程机械有限公司 | Rubber material for stator rubber sleeve of prestressed vacuum grout pump and preparation method thereof |
| CN103360652B (en) * | 2013-06-21 | 2016-05-04 | 安徽荣玖光纤通信科技有限公司 | A kind of uvioresistant cable jacket material and preparation method thereof |
| CN103360652A (en) * | 2013-06-21 | 2013-10-23 | 安徽荣玖光纤通信科技有限公司 | UV (ultraviolet)-resisting cable sheath material and method for preparing same |
| CN103554557A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | Anti-corrosion natural rubber cable material |
| CN103788437A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Cold-resistant cable sheath material |
| CN103788436A (en) * | 2014-01-16 | 2014-05-14 | 安徽复兴电缆集团有限公司 | Flame retardant mine cable sheath material |
| CN103788437B (en) * | 2014-01-16 | 2016-03-02 | 安徽复兴电缆集团有限公司 | A kind of cold resistant cable sheath material |
| CN105968466A (en) * | 2016-05-13 | 2016-09-28 | 吉林师范大学 | Low-temperature-resistant and aging-resistant chloroprene rubber composite material |
| CN105968466B (en) * | 2016-05-13 | 2018-05-15 | 吉林师范大学 | A kind of low temperature resistant ageing-resistant neoprene composite material |
| CN110907345A (en) * | 2019-11-19 | 2020-03-24 | 浙江万马高分子材料集团有限公司 | Aging performance testing method of silane crosslinked polyethylene cable material |
| CN113016665A (en) * | 2021-03-09 | 2021-06-25 | 海南卓津蜂业有限公司 | Multi-functional bee-keeping equipment |
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| CN100577722C (en) | 2010-01-06 |
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Owner name: SHANGHAI MINE CABLE CO., LTD. Free format text: FORMER NAME: SHANGHAI MINE-USED CABLE PLANT |
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Address after: 201415, Shanghai, Fengxian District Zhuang Road No. 118 Patentee after: SHANGHAI MINING CABLE FACTORY CO., LTD. Address before: 201415, Shanghai, Fengxian District Zhuang Road No. 118 Patentee before: Shanghai Mine-Used Cable Plant |