CN103571210A - Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof - Google Patents
Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof Download PDFInfo
- Publication number
- CN103571210A CN103571210A CN201310464687.XA CN201310464687A CN103571210A CN 103571210 A CN103571210 A CN 103571210A CN 201310464687 A CN201310464687 A CN 201310464687A CN 103571210 A CN103571210 A CN 103571210A
- Authority
- CN
- China
- Prior art keywords
- parts
- silicone rubber
- resistance
- sheath material
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention discloses a refractory flame-retardant silicone rubber sheath material for cables and a preparation method thereof. The refractory flame-retardant silicone rubber sheath material for cables is prepared from the following raw materials in parts by weight: 70-90 parts of methylvinyl silicone rubber, 15-25 parts of epichlorohydrin rubber, 10-20 parts of bisphenol A polycarbonate, 2-3 parts of zinc oxide, 3-4 parts of 2-thiolbenzimidazole, 4-6 parts of microcrystalline wax, 1-2 parts of stearic acid, 3-5 parts of dimethyl silicone oil, 10-15 parts of nano silicon nitride, 20-30 parts of gas-phase silica white, 8-12 parts of calcined argil, 3-6 parts of fiberglass, 5-10 parts of alundum powder, 5-10 parts of epoxy soybean oil, 0.3-0.6 part of dicumyl peroxide, 1-2 parts of triallyl cyanurate and the like. The sheath material has the characteristics of stable fire resistance, favorable insulating property, high mechanical strength and the like, has excellent flame retardancy, oil resistance, freezing resistance, acid/alkali resistance, radiation aging resistance, wear resistance and other properties, and is completely reliable and durable.
Description
Technical field
The present invention relates to a kind of cable jacket material and preparation method thereof, be specifically related to fire resistant flame retardant silicone rubber jacket material and preparation method thereof for a kind of cable.
Background technology
Cable sheath is the indispensable intermediate structure part of cable, plays a part protection cable, guarantees the energising safety of cable, makes the media such as copper wire and water, air isolated, avoids occurring leaky.Although silicone rubber for cable has the characteristics such as heat-resisting radiation, cold-resistant, acid and alkali-resistance and corrosive gases, waterproof, its fire resistant flame retardant performance need to improve, once sheath grate firing, is difficult to guarantee that cable can work.
Summary of the invention
The object of the present invention is to provide fire resistant flame retardant silicone rubber jacket material and preparation method thereof for a kind of cable, it is stable that this sheath material has fire performance, the features such as good flame retardation effect and good insulation preformance.
The technical solution used in the present invention is as follows:
Fire resistant flame retardant silicone rubber jacket material for a kind of cable, raw material by following weight part is made: methyl vinyl silicone rubber 70-90, chlorohydrin rubber 15-25, bisphenol A polycarbonate 10-20, zinc oxide 2-3, 2 mercapto benzimidazole 3-4, microcrystalline wax 4-6, stearic acid 1-2, dimethyl silicone oil 3-5, nano-silicon nitride 10-15, gas-phase silica 20-30, calcinated argil 8-12, glass fibre 3-6, lapis amiridis 5-10, epoxy soybean oil 5-10, dicumyl peroxide 0.3-0.6, triallylcyanurate 1-2, bisphenol AF 2-3, tetraoctyl pyromellitate 10-15, diphenyl octyl phosphate 5-10, hydration zinc borate 8-12, magnesium hydroxide 10-15, Sodium orthomolybdate 5-10, ferrocene 4-6, trisnonylphenyl phosphite 5-10, compounded mix 3-6,
The preparation method of described compounded mix is as follows: a, by weight 4-8:3-6:2-4, take kaolin, diatomite, rhombspar is pulverized, mix rear wet ball grinding 18-24h, at 110-120 ℃, dry again, then at 550-580 ℃, calcine 1-2h, after being cooled to room temperature, add appropriate water making beating to make the slurries that concentration is 40-50%, then adding concentration is the hydrochloric acid soln adjusting slurries PH to 4.0-5.0 of 10-15%, 70-80 ℃ of heating in water bath 2-3h, the sodium hydroxide solution that is 15-20% by concentration again regulates slurries PH to neutral, then the Sodium dodecylbenzene sulfonate that adds slurry weight 1-2%, the Sodium hexametaphosphate 99 of 2-3%, the polyacrylic acid of 3-5%, the water-soluble silicon colloidal sol of 2-3%, the Natvosol of 1-2% and the 2-Butoxyethyl acetate of 0.5-1%, speed lapping 20-30min, dry, cross 300-400 mesh sieve, in powder after b, above-mentioned sieving, add the nano aluminum nitride of 1-2%, the jade powder of the pentaerythritol stearate of the vinyl silicone oil of 2-3%, 3-4%, 1-2%, high speed shear is disperseed 10-15min.
A preparation method for fire resistant flame retardant silicone rubber jacket material for cable, comprises the following steps:
(1) chlorohydrin rubber, bisphenol A polycarbonate, microcrystalline wax, compounded mix, glass fibre, tetraoctyl pyromellitate are added in Banbury mixer, be heated to 60-70 ℃, mixing 4-6min; Then be warming up to 95-105 ℃, add again methyl vinyl silicone rubber, gas-phase silica, calcinated argil, epoxy soybean oil, diphenyl octyl phosphate, hydration zinc borate, magnesium hydroxide, mixing 5-8min, add again nano-silicon nitride, lapis amiridis, dimethyl silicone oil, Sodium orthomolybdate, ferrocene, trisnonylphenyl phosphite, continue mixing 3-4min; Then be cooled to 45-55 ℃, add all the other raw materials, mixing 2-3min, obtains rubber unvulcanizate;
(2) above-mentioned rubber unvulcanizate is placed in to vulcanizing press and vulcanizes 8-12min at 165-185 ℃, obtain required sheath material.
Beneficial effect of the present invention:
Sheath material of the present invention has that fire performance is stable, good insulation preformance, physical strength high, and good flame retardation effect, there is not flame-retarding power and self-gravitation, during burning, the amount of being fuming is few, and has the performances such as good oil-proofness, winter hardiness, resistance to acids and bases, radiation hardness aging, wear resistance, completely reliable, durable in use, can guarantee that cable can work in flame.
Embodiment
Fire resistant flame retardant silicone rubber jacket material for a kind of cable, raw material by following weight (kg) is made: methyl vinyl silicone rubber 80, chlorohydrin rubber 20, bisphenol A polycarbonate 15, zinc oxide 2.5, 2 mercapto benzimidazole 3, microcrystalline wax 5, stearic acid 1.5, dimethyl silicone oil 4, nano-silicon nitride 12, gas-phase silica 25, calcinated argil 10, glass fibre 4, lapis amiridis 8, epoxy soybean oil 7, dicumyl peroxide 0.4, triallylcyanurate 1.5, bisphenol AF 2, tetraoctyl pyromellitate 10, diphenyl octyl phosphate 10, hydration zinc borate 10, magnesium hydroxide 12, Sodium orthomolybdate 8, ferrocene 5, trisnonylphenyl phosphite 8, compounded mix 4,
The preparation method of described compounded mix is as follows: a, by weight 7:5:3, take kaolin, diatomite, rhombspar is pulverized, mix rear wet ball grinding 20h, at 115 ℃, dry again, then at 570 ℃, calcine 1h, be cooled to that to add after room temperature appropriate water making beating to make concentration be 45% slurries, then the hydrochloric acid soln that adds concentration 15% regulates slurries PH to 4.5, 75 ℃ of heating in water bath 3h, the sodium hydroxide solution that is 20% by concentration again regulates slurries PH to neutral, then the Sodium dodecylbenzene sulfonate that adds slurry weight 1.5%, 2.5% Sodium hexametaphosphate 99, 4% polyacrylic acid, 2.5% water-soluble silicon colloidal sol, 1.5% Natvosol and 0.6% 2-Butoxyethyl acetate, speed lapping 25min, dry, cross 400 mesh sieves, in powder after b, above-mentioned sieving, add 1.5% nano aluminum nitride, 2% vinyl silicone oil, 3% pentaerythritol stearate, 2% jade powder, high speed shear is disperseed 15min.
A preparation method for fire resistant flame retardant silicone rubber jacket material for cable, comprises the following steps:
(1) chlorohydrin rubber, bisphenol A polycarbonate, microcrystalline wax, compounded mix, glass fibre, tetraoctyl pyromellitate are added in Banbury mixer, be heated to 70 ℃, mixing 5min; Then be warming up to 95 ℃, add again methyl vinyl silicone rubber, gas-phase silica, calcinated argil, epoxy soybean oil, diphenyl octyl phosphate, hydration zinc borate, magnesium hydroxide, mixing 7min, add again nano-silicon nitride, lapis amiridis, dimethyl silicone oil, Sodium orthomolybdate, ferrocene, trisnonylphenyl phosphite, continue mixing 3min; Then be cooled to 50 ℃, add all the other raw materials, mixing 2min, obtains rubber unvulcanizate;
(2) above-mentioned rubber unvulcanizate is placed in to vulcanizing press and vulcanizes 10min at 170 ℃, obtain required sheath material.
The performance test results of the sheath material making is as follows:
Claims (2)
1. fire resistant flame retardant silicone rubber jacket material for a cable, it is characterized in that, raw material by following weight part is made: methyl vinyl silicone rubber 70-90, chlorohydrin rubber 15-25, bisphenol A polycarbonate 10-20, zinc oxide 2-3, 2 mercapto benzimidazole 3-4, microcrystalline wax 4-6, stearic acid 1-2, dimethyl silicone oil 3-5, nano-silicon nitride 10-15, gas-phase silica 20-30, calcinated argil 8-12, glass fibre 3-6, lapis amiridis 5-10, epoxy soybean oil 5-10, dicumyl peroxide 0.3-0.6, triallylcyanurate 1-2, bisphenol AF 2-3, tetraoctyl pyromellitate 10-15, diphenyl octyl phosphate 5-10, hydration zinc borate 8-12, magnesium hydroxide 10-15, Sodium orthomolybdate 5-10, ferrocene 4-6, trisnonylphenyl phosphite 5-10, compounded mix 3-6,
The preparation method of described compounded mix is as follows: a, by weight 4-8:3-6:2-4, take kaolin, diatomite, rhombspar is pulverized, mix rear wet ball grinding 18-24h, at 110-120 ℃, dry again, then at 550-580 ℃, calcine 1-2h, after being cooled to room temperature, add appropriate water making beating to make the slurries that concentration is 40-50%, then adding concentration is the hydrochloric acid soln adjusting slurries PH to 4.0-5.0 of 10-15%, 70-80 ℃ of heating in water bath 2-3h, the sodium hydroxide solution that is 15-20% by concentration again regulates slurries PH to neutral, then the Sodium dodecylbenzene sulfonate that adds slurry weight 1-2%, the Sodium hexametaphosphate 99 of 2-3%, the polyacrylic acid of 3-5%, the water-soluble silicon colloidal sol of 2-3%, the Natvosol of 1-2% and the 2-Butoxyethyl acetate of 0.5-1%, speed lapping 20-30min, dry, cross 300-400 mesh sieve, in powder after b, above-mentioned sieving, add the nano aluminum nitride of 1-2%, the jade powder of the pentaerythritol stearate of the vinyl silicone oil of 2-3%, 3-4%, 1-2%, high speed shear is disperseed 10-15min.
2. the preparation method of fire resistant flame retardant silicone rubber jacket material for cable as claimed in claim 1, is characterized in that comprising the following steps:
Chlorohydrin rubber, bisphenol A polycarbonate, microcrystalline wax, compounded mix, glass fibre, tetraoctyl pyromellitate are added in Banbury mixer, be heated to 60-70 ℃, mixing 4-6min; Then be warming up to 95-105 ℃, add again methyl vinyl silicone rubber, gas-phase silica, calcinated argil, epoxy soybean oil, diphenyl octyl phosphate, hydration zinc borate, magnesium hydroxide, mixing 5-8min, add again nano-silicon nitride, lapis amiridis, dimethyl silicone oil, Sodium orthomolybdate, ferrocene, trisnonylphenyl phosphite, continue mixing 3-4min; Then be cooled to 45-55 ℃, add all the other raw materials, mixing 2-3min, obtains rubber unvulcanizate;
(2) above-mentioned rubber unvulcanizate is placed in to vulcanizing press and vulcanizes 8-12min at 165-185 ℃, obtain required sheath material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464687.XA CN103571210A (en) | 2013-09-30 | 2013-09-30 | Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464687.XA CN103571210A (en) | 2013-09-30 | 2013-09-30 | Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103571210A true CN103571210A (en) | 2014-02-12 |
Family
ID=50043956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310464687.XA Pending CN103571210A (en) | 2013-09-30 | 2013-09-30 | Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103571210A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992629A (en) * | 2014-04-22 | 2014-08-20 | 天长市富信电子有限公司 | Sheath material for automobile power line and preparation method thereof |
| CN104017373A (en) * | 2014-05-19 | 2014-09-03 | 安徽省康利亚实业有限公司 | Silicone rubber environment-friendly and flame-retardant cable material used for rail locomotive vehicle |
| CN104788964A (en) * | 2014-05-30 | 2015-07-22 | 安徽天彩电缆集团有限公司 | Preparation process for silicone rubber cable sheath used for ship |
| CN104788963A (en) * | 2014-05-30 | 2015-07-22 | 安徽天彩电缆集团有限公司 | Preparation process for silicone rubber cable sheath used for urban rails |
| CN105111745A (en) * | 2015-08-26 | 2015-12-02 | 安徽电缆股份有限公司 | Fireproof silicon rubber material for cable of nuclear power station and preparation method of fireproof silicon rubber material |
| CN105199363A (en) * | 2015-10-08 | 2015-12-30 | 蚌埠冠宜型材科技有限公司 | Pressure-resistant sealing gasket for casting |
| CN105542429A (en) * | 2016-01-19 | 2016-05-04 | 山东美晨先进高分子材料科技有限公司 | Epichlorohydrin rubber preparation raw material capable of being bonded with silicone rubber |
| CN105968824A (en) * | 2016-07-26 | 2016-09-28 | 潘明华 | Environment-friendly flame-retardant electricity sheath tubing and preparation method thereof |
| CN106349706A (en) * | 2016-08-30 | 2017-01-25 | 安徽蓝德集团股份有限公司 | Silicone rubber cable sheath material with high flame resistance |
| CN106380849A (en) * | 2016-08-30 | 2017-02-08 | 安徽蓝德集团股份有限公司 | Power cable sheath material with excellent heat stability |
| CN106543674A (en) * | 2016-10-19 | 2017-03-29 | 安徽吉思特智能装备有限公司 | A kind of corrosion-resistant chemical industry equipment cable jacket |
| CN107698961A (en) * | 2017-10-09 | 2018-02-16 | 安徽和义新能源汽车充电设备有限公司 | A kind of anti-aging cable material of high temperature resistant and preparation method thereof |
| CN109861104A (en) * | 2017-09-30 | 2019-06-07 | 温州洪启信息科技有限公司 | One kind having the liftable distribution box of rain shade and application |
| CN110294933A (en) * | 2019-06-24 | 2019-10-01 | 安徽华泰电缆有限公司 | A kind of potent low temperature resistant cable sheath material and preparation method thereof |
| CN116004017A (en) * | 2023-01-09 | 2023-04-25 | 东莞市正安有机硅科技有限公司 | Glass fiber powder modified silicone rubber and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005139357A (en) * | 2003-11-07 | 2005-06-02 | Fujikura Ltd | Flame-retardant polyolefin-based resin composition, and flame-retardant electric wire or cable |
| US20110315423A1 (en) * | 2010-06-29 | 2011-12-29 | E.I. Du Pont De Nemours And Company | Abrasion resistant and flame retardant thermoplastic vulcanizate compositions |
| CN102634107A (en) * | 2012-04-18 | 2012-08-15 | 同济大学 | Polysiloxane-containing halogen-free environment-friendly flame-retardant polyolefin cable material and preparation method thereof |
| CN102634093A (en) * | 2011-02-11 | 2012-08-15 | 苏州汉扬精密电子有限公司 | Halogen-free cable material with high flame retardancy |
| CN102942791A (en) * | 2012-10-11 | 2013-02-27 | 安徽普源分离机械制造有限公司 | High-speed desktop centrifuge floor mat |
-
2013
- 2013-09-30 CN CN201310464687.XA patent/CN103571210A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005139357A (en) * | 2003-11-07 | 2005-06-02 | Fujikura Ltd | Flame-retardant polyolefin-based resin composition, and flame-retardant electric wire or cable |
| US20110315423A1 (en) * | 2010-06-29 | 2011-12-29 | E.I. Du Pont De Nemours And Company | Abrasion resistant and flame retardant thermoplastic vulcanizate compositions |
| CN102634093A (en) * | 2011-02-11 | 2012-08-15 | 苏州汉扬精密电子有限公司 | Halogen-free cable material with high flame retardancy |
| CN102634107A (en) * | 2012-04-18 | 2012-08-15 | 同济大学 | Polysiloxane-containing halogen-free environment-friendly flame-retardant polyolefin cable material and preparation method thereof |
| CN102942791A (en) * | 2012-10-11 | 2013-02-27 | 安徽普源分离机械制造有限公司 | High-speed desktop centrifuge floor mat |
Non-Patent Citations (3)
| Title |
|---|
| 中国橡胶工业协会橡胶助剂专业委员会: "《中国橡胶助剂工业科技发展报告》", 30 September 2009, article "橡胶助剂的分类和品种" * |
| 吕军等: ""PET/PC共混物配比对其高压结晶行为的影响"", 《高分子材料科学与工程》, vol. 22, no. 1, 30 January 2006 (2006-01-30) * |
| 苏坤梅等: ""双酚A型聚碳酸酯的合成与性能研究进展"", 《科技导报》, vol. 27, no. 8, 28 April 2009 (2009-04-28) * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992629A (en) * | 2014-04-22 | 2014-08-20 | 天长市富信电子有限公司 | Sheath material for automobile power line and preparation method thereof |
| CN104017373A (en) * | 2014-05-19 | 2014-09-03 | 安徽省康利亚实业有限公司 | Silicone rubber environment-friendly and flame-retardant cable material used for rail locomotive vehicle |
| CN104788964A (en) * | 2014-05-30 | 2015-07-22 | 安徽天彩电缆集团有限公司 | Preparation process for silicone rubber cable sheath used for ship |
| CN104788963A (en) * | 2014-05-30 | 2015-07-22 | 安徽天彩电缆集团有限公司 | Preparation process for silicone rubber cable sheath used for urban rails |
| CN105111745A (en) * | 2015-08-26 | 2015-12-02 | 安徽电缆股份有限公司 | Fireproof silicon rubber material for cable of nuclear power station and preparation method of fireproof silicon rubber material |
| CN105199363A (en) * | 2015-10-08 | 2015-12-30 | 蚌埠冠宜型材科技有限公司 | Pressure-resistant sealing gasket for casting |
| CN105542429A (en) * | 2016-01-19 | 2016-05-04 | 山东美晨先进高分子材料科技有限公司 | Epichlorohydrin rubber preparation raw material capable of being bonded with silicone rubber |
| CN105968824A (en) * | 2016-07-26 | 2016-09-28 | 潘明华 | Environment-friendly flame-retardant electricity sheath tubing and preparation method thereof |
| CN106349706A (en) * | 2016-08-30 | 2017-01-25 | 安徽蓝德集团股份有限公司 | Silicone rubber cable sheath material with high flame resistance |
| CN106380849A (en) * | 2016-08-30 | 2017-02-08 | 安徽蓝德集团股份有限公司 | Power cable sheath material with excellent heat stability |
| CN106543674A (en) * | 2016-10-19 | 2017-03-29 | 安徽吉思特智能装备有限公司 | A kind of corrosion-resistant chemical industry equipment cable jacket |
| CN109861104A (en) * | 2017-09-30 | 2019-06-07 | 温州洪启信息科技有限公司 | One kind having the liftable distribution box of rain shade and application |
| CN107698961A (en) * | 2017-10-09 | 2018-02-16 | 安徽和义新能源汽车充电设备有限公司 | A kind of anti-aging cable material of high temperature resistant and preparation method thereof |
| CN110294933A (en) * | 2019-06-24 | 2019-10-01 | 安徽华泰电缆有限公司 | A kind of potent low temperature resistant cable sheath material and preparation method thereof |
| CN116004017A (en) * | 2023-01-09 | 2023-04-25 | 东莞市正安有机硅科技有限公司 | Glass fiber powder modified silicone rubber and preparation method thereof |
| CN116004017B (en) * | 2023-01-09 | 2024-04-16 | 东莞市正安有机硅科技有限公司 | Glass fiber powder modified silicone rubber and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103571210A (en) | Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof | |
| CN109082122B (en) | Normal-temperature heat conduction-high-temperature heat insulation ceramizable high polymer material and preparation method thereof | |
| CN103524800B (en) | A kind of electric wire warping strength sheath material and preparation method thereof | |
| CN102977466B (en) | A kind of flame-proof environmental protection safety type polyolefin jacket material and preparation method thereof | |
| CN102040839A (en) | Formula for ceramicized silicon rubber cable material | |
| CN103524906B (en) | A kind of Anti-scratch cable rubber sheath material and preparation method thereof | |
| CN103524967B (en) | A kind of Flame retardant cable sheath material with high malleability and preparation method thereof | |
| CN103524907B (en) | A kind of Mine cable rubber sheath material and preparation method thereof | |
| CN102977609A (en) | Oil and low-temperature resistant low-smoke and halogen-free flame retardant cable material for boats, and its preparation method | |
| CN103509279B (en) | A kind of Water-resistant PVC cable sheath material | |
| CN102977614A (en) | Mouse, high temperature, low temperature and oil resistant environmentally-friendly cable material and its preparation method | |
| CN110335711A (en) | A kind of naval vessel termite-resistant rodent-resistant low-smoke non-halogen flame-retardant control cable | |
| CN103540065A (en) | Modified oilproof aging-resistant polyvinyl chloride cable sheath material | |
| CN103694594B (en) | A kind of fire-resistant cable material | |
| CN103881223A (en) | Ozone aging-resistant modified ethylene-vinyl acetate copolymer (EVA) cable sheath material | |
| CN103525092A (en) | Ceramic silicone rubber cable material and preparation method thereof | |
| CN103524895A (en) | Halogen-free flame-retardant polypropylene cable material with high temperature resistance and preparation method | |
| CN103881210A (en) | High temperature-resistant modified polyethylene moble sheath material | |
| CN103509292B (en) | A kind of resistant to elevated temperatures polyvinyl chloride cable material | |
| CN105513693B (en) | A kind of electric wire | |
| CN102977612A (en) | Flame-retardant and environmentally-friendly acrylate rubber cable material and its preparation method | |
| CN103524894A (en) | Rubber sheath material for exploration drilling reconnaissance survey cable and preparation method thereof | |
| CN103804807A (en) | Oil-resistant cable jacket material | |
| CN103509237B (en) | A kind of fast ceramic flame-resistant cable | |
| CN103554754A (en) | Temperature-resistant and flame-retardant modified polyvinyl chloride cable sheath material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140212 |