CN103951906A - Method for preparing efficient flame retardant cable sheath material - Google Patents
Method for preparing efficient flame retardant cable sheath material Download PDFInfo
- Publication number
- CN103951906A CN103951906A CN201410150682.4A CN201410150682A CN103951906A CN 103951906 A CN103951906 A CN 103951906A CN 201410150682 A CN201410150682 A CN 201410150682A CN 103951906 A CN103951906 A CN 103951906A
- Authority
- CN
- China
- Prior art keywords
- cable sheath
- retardant
- sheath material
- preparation
- flame
- 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.)
- Granted
Links
Landscapes
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a method for preparing an efficient flame retardant cable sheath material. The method comprises the following steps: weighing polyvinyl chloride (PVC) resin, polyvinylidene chloride and GNA-type chloroprene rubber, mixing evenly, blending in a single-screw extruder, and pelletilizing to obtain base resin; mixing in an internal mixer; adding a plasticizer epoxy fatty acid essien ester, calcined clay, nano calcium carbonate, a stabilizer, a flame-retardant system and a lubricating assistant and evenly mixing, wherein the plasticizer, a filler, talcum powder and nano calcium carbonate are alternately added in the adding process step by step; when the temperature of the material is stabilized at 105-110 DEG C, adding tetrasulfide double-pentamethylene thiuram and trimethylol propyl triacrylate, mixing for 45-50 seconds, thinning and extruding to obtain a weatherproof cable sheath material. The efficient flame retardant cable sheath material is good in stability performance, excellent in flame retardant efficiency, low in price and good in ageing-resistant performance.
Description
Technical field
The present invention relates to cable jacket material technology field, relate in particular to a kind of preparation method of highly effective flame-retardant cable sheath material.
Background technology
Along with the fast development of China market economy, coal-mining industry obtains and develops rapidly as one of fundamental technology of world today's main energy sources, the safety of mine is caused especially to people's attention, because underground work environment is severe, the safety of mine and miner's life in the generation serious threat of various accidents, supporting cable-flame retardant performance is noticeable equally with it, flame retardant cable for self catch fire for some reason when cable or outside burning things which may cause a fire disaster ignite while catching fire, catch fire extinguish after cable no longer burn away, or combustion time is very short, cable sheath how to prepare a kind of highly effective flame-retardant becomes the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of preparation method of highly effective flame-retardant cable sheath material, described highly effective flame-retardant cable sheath material stability is good, and flame retardant effect is very excellent, and cheap, ageing-resistant performance is better.
The preparation method of a kind of highly effective flame-retardant cable sheath material that the present invention proposes, comprises the steps:
S1, take 30-50%PVC resin, 25-40% polyvinylidene dichloride and 10-30%GNA type chloroprene rubber by weight percentage and mix and obtain major ingredient, the major ingredient of preparation is placed in to single screw extrusion machine blend, granulation obtains base resin, open Banbury mixer and be preheated to 50-55 DEG C, then add above-mentioned base resin to carry out banburying, the banburying time is 1-3min, banburying 4-5min when temperature is risen to 80-90 DEG C;
S2, to preparation material in add the softening agent octyl ester of epoxy fatty acid that is equivalent to major ingredient 1.5-2.3wt%, (calcinated argil+nano-calcium carbonate) of 17-21wt%, the stablizer of 1.5-2.4wt%, the flame-retardant system of 7-13wt%, the oxidation inhibitor of 0.15-0.34wt% mixes, and the weight ratio of calcinated argil and nano-calcium carbonate is (2-5): 1; Wherein the gradation in adding procedure of softening agent, weighting material, talcum powder and nano-calcium carbonate alternately adds; Wherein flame-retardant system is made up of 4-7 part fire retardant, 1-2 part fire retarding synergist and 1.5-2.7 part composite environment-friendly thermo-stabilizer by weight, oxidation inhibitor is made up of 4-6 part Hinered phenols antioxidant and 1-3 part auxiliary antioxidant, and auxiliary antioxidant is made up of 45% thio-2 acid dibasic acid esters and 55% phosphorous acid ester by weight percentage;
S3, treat that temperature of charge is stabilized in 105-110 DEG C, add the mixing 45-50 of the trimethylolpropane trimethacrylate second of tetra-sulfurized pair pentamethylene thiuram and the 0.15-0.3wt% of 0.2-0.35wt%, deliver in mill thin-pass 6-7 time, drop in screw extrusion press and extrude and obtain weather proof cable sheath material, wherein extrusion temperature is 185-188 DEG C, and in extrusion, steam pressure is controlled at 0.85-1.3MPa.
Preferably, the weight ratio of described polyvinyl chloride resin, polyvinylidene dichloride and GNA type chloroprene rubber is (45-40): (30-35): (25-30).
Preferably, described fire retardant is made up of silicon fire retardant SFR-100, Magnesium Stearate and aluminium hydroxide, fire retarding synergist is synergist FR-B40, composite environment-friendly thermo-stabilizer is calcium zinc stabilizer, and the weight ratio of fire retardant, fire retarding synergist and composite environment-friendly thermo-stabilizer is (4-7): (1-2): (1.5-2.7).
In the present invention, with polyvinyl chloride resin, polyvinylidene dichloride and GNA type chloroprene rubber are base material, the resistance to combustion of polyvinylidene dichloride, corrosion resistance and good, with polyvinyl chloride resin, thermo-stabilizer, softening agent mating reaction, good processability, stability excellence, resistance toheat significantly strengthens, use octyl ester of epoxy fatty acid as softening agent, weather resistance is good, stability excellence, use tetra-sulfurized pair pentamethylene thiuram as polyvinyl chloride resin, the vulcanizing agent of polyvinylidene dichloride and GNA type chloroprene rubber, coordinate interpolation trimethylolpropane trimethacrylate to help vulcanization reaction, curing time is short and abundant, and goods rubber has good wear-resisting, resistance to solvent and corrosion resistance nature, wherein Magnesium Stearate is a kind of organo-metallic soap and can doublely does lubricated, mixing of materials is even, silicon fire retardant SFR-100 combines as fire retardant with Magnesium Stearate, can improve smoke suppressing and the flame retardant properties of polyvinyl chloride resin, polyvinylidene dichloride and GNA type chloroprene rubber, and can improve processing characteristics, coordinate therein and add appropriate aluminium hydroxide, it is cheap, not only can reduce costs, and goods cable sheath can be applicable to the occasion comparatively harsh to fire-retardant requirement, flame retardant effect is very excellent, and halogen-free environmental, above-mentioned fire retardant and fire retarding synergist and the acting in conjunction of composite environment-friendly thermo-stabilizer, synergistic effect is obvious, cheap, and restrictive coating is thermally-stabilised good, and cable has high-low temperature resistant and good flame retardant properties, Hinered phenols antioxidant and auxiliary antioxidant: thio-2 acid dibasic acid esters or phosphorous acid ester are used in conjunction with, significantly, antioxidant effect is good for synergy, and the high and low poison of stability can further improve heat-resisting, the light aging resisting property of electric wire and cable jacket.
Brief description of the drawings
Fig. 1 is preparation technology's schema of a kind of highly effective flame-retardant cable sheath material of proposing of the present invention.
Embodiment
As shown in Figure 1, Fig. 1 is preparation technology's schema of a kind of highly effective flame-retardant cable sheath material of proposing of the present invention.
With reference to Fig. 1, the preparation method of a kind of highly effective flame-retardant cable sheath material that the present invention proposes, comprises the steps:
S1, take 30-50%PVC resin, 25-40% polyvinylidene dichloride and 10-30%GNA type chloroprene rubber by weight percentage and mix and obtain major ingredient, the major ingredient of preparation is placed in to single screw extrusion machine blend, granulation obtains base resin, open Banbury mixer and be preheated to 50-55 DEG C, then add above-mentioned base resin to carry out banburying, the banburying time is 1-3min, banburying 4-5min when temperature is risen to 80-90 DEG C;
S2, to preparation material in add the softening agent octyl ester of epoxy fatty acid that is equivalent to major ingredient 1.5-2.3wt%, (calcinated argil+nano-calcium carbonate) of 17-21wt%, the stablizer of 1.5-2.4wt%, the flame-retardant system of 7-13wt%, the oxidation inhibitor of 0.15-0.34wt% mixes, and the weight ratio of calcinated argil and nano-calcium carbonate is (2-5): 1; Wherein the gradation in adding procedure of softening agent, weighting material, talcum powder and nano-calcium carbonate alternately adds; Wherein flame-retardant system is made up of 4-7 part fire retardant, 1-2 part fire retarding synergist and 1.5-2.7 part composite environment-friendly thermo-stabilizer by weight, oxidation inhibitor is made up of 4-6 part Hinered phenols antioxidant and 1-3 part auxiliary antioxidant, and auxiliary antioxidant is made up of 45% thio-2 acid dibasic acid esters and 55% phosphorous acid ester by weight percentage;
S3, treat that temperature of charge is stabilized in 105-110 DEG C, add the mixing 45-50 of the trimethylolpropane trimethacrylate second of tetra-sulfurized pair pentamethylene thiuram and the 0.15-0.3wt% of 0.2-0.35wt%, deliver in mill thin-pass 6-7 time, drop in screw extrusion press and extrude and obtain weather proof cable sheath material, wherein extrusion temperature is 185-188 DEG C, and in extrusion, steam pressure is controlled at 0.85-1.3MPa.
Embodiment 1
A preparation method for highly effective flame-retardant cable sheath material, comprises the steps:
S1, take 45%PVC resin, 40% polyvinylidene dichloride and 15%GNA type chloroprene rubber by weight percentage and mix and obtain major ingredient, the major ingredient of preparation is placed in to single screw extrusion machine blend, granulation obtains base resin, open Banbury mixer and be preheated to 50 DEG C, then add above-mentioned base resin to carry out banburying, the banburying time is 3min, banburying 5min when temperature is risen to 82 DEG C;
S2, to preparation material in add the softening agent octyl ester of epoxy fatty acid that is equivalent to major ingredient 1.8wt%, (calcinated argil+nano-calcium carbonate) of 19wt%, the stablizer of 1.9wt%, the flame-retardant system of 10wt%, the oxidation inhibitor of 0.19wt% mixes, and the weight ratio of calcinated argil and nano-calcium carbonate is 4:1; Wherein the gradation in adding procedure of softening agent, weighting material, talcum powder and nano-calcium carbonate alternately adds; Wherein flame-retardant system is made up of 6 parts of fire retardants, 1 part of fire retarding synergist and 2.6 parts of composite environment-friendly thermo-stabilizers by weight, oxidation inhibitor is made up of 5 parts of Hinered phenols antioxidants and 3 parts of auxiliary antioxidants, and auxiliary antioxidant is made up of 45% thio-2 acid dibasic acid esters and 55% phosphorous acid ester by weight percentage;
S3, treat that temperature of charge is stabilized in 105 DEG C, add the tetra-sulfurized pair pentamethylene thiuram of 0.32wt% and the trimethylolpropane trimethacrylate of 0.25wt% mixing 50 seconds, deliver in mill thin-pass 6 times, drop in screw extrusion press and extrude and obtain weather proof cable sheath material, wherein extrusion temperature is 185 DEG C, and in extrusion, steam pressure is controlled at 1.25MPa.
Embodiment 2
A preparation method for highly effective flame-retardant cable sheath material, comprises the steps:
S1, take 50%PVC resin, 30% polyvinylidene dichloride and 20%GNA type chloroprene rubber by weight percentage and mix and obtain major ingredient, the major ingredient of preparation is placed in to single screw extrusion machine blend, granulation obtains base resin, open Banbury mixer and be preheated to 55 DEG C, then add above-mentioned base resin to carry out banburying, the banburying time is 1min, banburying 4min when temperature is risen to 82 DEG C;
S2, to preparation material in add the softening agent octyl ester of epoxy fatty acid that is equivalent to major ingredient 2.3wt%, (calcinated argil+nano-calcium carbonate) of 20wt%, the stablizer of 1.8wt%, the flame-retardant system of 12wt%, the oxidation inhibitor of 0.33wt% mixes, and the weight ratio of calcinated argil and nano-calcium carbonate is 5:1; Wherein the gradation in adding procedure of softening agent, weighting material, talcum powder and nano-calcium carbonate alternately adds; Wherein flame-retardant system is made up of 7 parts of fire retardants, 2 parts of fire retarding synergists and 1.6 parts of composite environment-friendly thermo-stabilizers by weight, oxidation inhibitor is made up of 5 parts of Hinered phenols antioxidants and 2 parts of auxiliary antioxidants, and auxiliary antioxidant is made up of 45% thio-2 acid dibasic acid esters and 55% phosphorous acid ester by weight percentage;
S3, treat that temperature of charge is stabilized in 110 DEG C, add the tetra-sulfurized pair pentamethylene thiuram of 0.25wt% and the trimethylolpropane trimethacrylate of 0.25wt% mixing 48 seconds, deliver in mill thin-pass 7 times, drop in screw extrusion press and extrude and obtain weather proof cable sheath material, wherein extrusion temperature is 187 DEG C, and in extrusion, steam pressure is controlled at 0.95MPa.
Embodiment 3
A preparation method for highly effective flame-retardant cable sheath material, comprises the steps:
S1, take 40%PVC resin, 30% polyvinylidene dichloride and 30%GNA type chloroprene rubber by weight percentage and mix and obtain major ingredient, the major ingredient of preparation is placed in to single screw extrusion machine blend, granulation obtains base resin, open Banbury mixer and be preheated to 53 DEG C, then add above-mentioned base resin to carry out banburying, the banburying time is 2min, banburying 4min when temperature is risen to 87 DEG C;
S2, to preparation material in add the softening agent octyl ester of epoxy fatty acid that is equivalent to major ingredient 1.5wt%, (calcinated argil+nano-calcium carbonate) of 20wt%, the stablizer of 2.2wt%, the flame-retardant system of 12wt%, the oxidation inhibitor of 0.25wt% mixes, and the weight ratio of calcinated argil and nano-calcium carbonate is 2:1; Wherein the gradation in adding procedure of softening agent, weighting material, talcum powder and nano-calcium carbonate alternately adds; Wherein flame-retardant system is made up of 3 parts of fire retardants, 2 portions of synergist FR-B40 and 2.5 parts of calcium zinc stabilizers by weight, described fire retardant is made up of silicon fire retardant SFR-100, Magnesium Stearate and aluminium hydroxide, oxidation inhibitor is made up of 6 parts of Hinered phenols antioxidants and 1 part of auxiliary antioxidant, and auxiliary antioxidant is made up of 45% thio-2 acid dibasic acid esters and 55% phosphorous acid ester by weight percentage;
S3, treat that temperature of charge is stabilized in 108 DEG C, add the tetra-sulfurized pair pentamethylene thiuram of 0.31wt% and the trimethylolpropane trimethacrylate of 0.19wt% mixing 48 seconds, deliver in mill thin-pass 6 times, drop in screw extrusion press and extrude and obtain weather proof cable sheath material, wherein extrusion temperature is 187 DEG C, and in extrusion, steam pressure is controlled at 1.3MPa.
High pressure resistant cable sheath material described in embodiment 1-4 is carried out to performance test, and test result is as follows:
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. a preparation method for highly effective flame-retardant cable sheath material, is characterized in that, comprises the steps:
S1, take 30-50%PVC resin, 25-40% polyvinylidene dichloride and 10-30%GNA type chloroprene rubber by weight percentage and mix and obtain major ingredient, the major ingredient of preparation is placed in to single screw extrusion machine blend, granulation obtains base resin, open Banbury mixer and be preheated to 50-55 DEG C, then add above-mentioned base resin to carry out banburying, the banburying time is 1-3min, banburying 4-5min when temperature is risen to 80-90 DEG C;
S2, to preparation material in add the softening agent octyl ester of epoxy fatty acid that is equivalent to major ingredient 1.5-2.3wt%, (calcinated argil+nano-calcium carbonate) of 17-21wt%, the stablizer of 1.5-2.4wt%, the flame-retardant system of 7-13wt%, the oxidation inhibitor of 0.15-0.34wt% mixes, and the weight ratio of calcinated argil and nano-calcium carbonate is (2-5): 1; Wherein the gradation in adding procedure of softening agent, weighting material, talcum powder and nano-calcium carbonate alternately adds; Wherein flame-retardant system is made up of 4-7 part fire retardant, 1-2 part fire retarding synergist and 1.5-2.7 part composite environment-friendly thermo-stabilizer by weight, oxidation inhibitor is made up of 4-6 part Hinered phenols antioxidant and 1-3 part auxiliary antioxidant, and auxiliary antioxidant is made up of 45% thio-2 acid dibasic acid esters and 55% phosphorous acid ester by weight percentage;
S3, treat that temperature of charge is stabilized in 105-110 DEG C, add the mixing 45-50 of the trimethylolpropane trimethacrylate second of tetra-sulfurized pair pentamethylene thiuram and the 0.15-0.3wt% of 0.2-0.35wt%, deliver in mill thin-pass 6-7 time, drop in screw extrusion press and extrude and obtain weather proof cable sheath material, wherein extrusion temperature is 185-188 DEG C, and in extrusion, steam pressure is controlled at 0.85-1.3MPa.
2. the preparation method of highly effective flame-retardant cable sheath material according to claim 1, is characterized in that, the weight ratio of described polyvinyl chloride resin, polyvinylidene dichloride and GNA type chloroprene rubber is (45-40): (30-35): (25-30).
3. the preparation method of highly effective flame-retardant cable sheath material according to claim 1, it is characterized in that, described fire retardant is made up of silicon fire retardant SFR-100, Magnesium Stearate and aluminium hydroxide, fire retarding synergist is synergist FR-B40, composite environment-friendly thermo-stabilizer is calcium zinc stabilizer, and the weight ratio of fire retardant, fire retarding synergist and composite environment-friendly thermo-stabilizer is (4-7): (1-2): (1.5-2.7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150682.4A CN103951906B (en) | 2014-04-15 | 2014-04-15 | A kind of preparation method of highly effective flame-retardant cable sheath material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150682.4A CN103951906B (en) | 2014-04-15 | 2014-04-15 | A kind of preparation method of highly effective flame-retardant cable sheath material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103951906A true CN103951906A (en) | 2014-07-30 |
| CN103951906B CN103951906B (en) | 2016-06-08 |
Family
ID=51329273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410150682.4A Expired - Fee Related CN103951906B (en) | 2014-04-15 | 2014-04-15 | A kind of preparation method of highly effective flame-retardant cable sheath material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103951906B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062287A (en) * | 2015-08-03 | 2015-11-18 | 金宝丽科技（苏州）有限公司 | Nanometer composite coating material and preparation method thereof |
| CN105949591A (en) * | 2016-05-18 | 2016-09-21 | 张翔 | Formula and preparation method of flame-retardant anticorrosive cable sheath |
| CN108822559A (en) * | 2018-07-02 | 2018-11-16 | 芜湖航天特种电缆厂股份有限公司 | Low temperature resistant cable insulating materials and preparation method thereof |
| WO2022110664A1 (en) * | 2020-11-26 | 2022-06-02 | 金发科技股份有限公司 | Low-smoke density halogen-free flame-retardant reinforced pbt/pet composite, and preparation method therefor and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964724A (en) * | 2012-11-27 | 2013-03-13 | 宁波一舟塑胶有限公司 | Thin-wall insulated wire material for automobile and preparation method thereof |
| CN103467883A (en) * | 2013-08-26 | 2013-12-25 | 晶锋集团股份有限公司 | Lead-free termite-proof polyvinyl chloride cable material and preparation method thereof |
| CN103524930A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Cold-resistant PVC sheath material for cable and preparation method thereof |
-
2014
- 2014-04-15 CN CN201410150682.4A patent/CN103951906B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964724A (en) * | 2012-11-27 | 2013-03-13 | 宁波一舟塑胶有限公司 | Thin-wall insulated wire material for automobile and preparation method thereof |
| CN103467883A (en) * | 2013-08-26 | 2013-12-25 | 晶锋集团股份有限公司 | Lead-free termite-proof polyvinyl chloride cable material and preparation method thereof |
| CN103524930A (en) * | 2013-09-30 | 2014-01-22 | 芜湖航天特种电缆厂 | Cold-resistant PVC sheath material for cable and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062287A (en) * | 2015-08-03 | 2015-11-18 | 金宝丽科技（苏州）有限公司 | Nanometer composite coating material and preparation method thereof |
| CN105949591A (en) * | 2016-05-18 | 2016-09-21 | 张翔 | Formula and preparation method of flame-retardant anticorrosive cable sheath |
| CN108822559A (en) * | 2018-07-02 | 2018-11-16 | 芜湖航天特种电缆厂股份有限公司 | Low temperature resistant cable insulating materials and preparation method thereof |
| WO2022110664A1 (en) * | 2020-11-26 | 2022-06-02 | 金发科技股份有限公司 | Low-smoke density halogen-free flame-retardant reinforced pbt/pet composite, and preparation method therefor and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103951906B (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104140613B (en) | A kind of power cable insulation layer material and preparation method thereof | |
| CN104151735A (en) | High-strength flame-retardant cable and application thereof | |
| CN104151739B (en) | A kind of fireproof high-temperature resistant cable material and preparation method thereof | |
| CN104558868B (en) | Preparation method of corrosion-resistant flame-retardant cable rubber material | |
| CN103951906A (en) | Method for preparing efficient flame retardant cable sheath material | |
| CN102911409B (en) | Environment-friendly tensile high-temperature-resistant control cable material and preparation method thereof | |
| CN109265813B (en) | Salt-fog-resistant flame-retardant marine cable sheath material and preparation method thereof | |
| CN104177838A (en) | Fluorosilicone rubber cable material for coal mine cable and preparation method of cable material | |
| CN106674768A (en) | Ethylene propylene diene terpolymer low-smoke zero-halogen flame retardant soft rubber | |
| CN103788434A (en) | High-strength and abrasion-proof cable sheath material | |
| CN108864549A (en) | A kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof | |
| CN104151746B (en) | A kind of environmental protection flame retardant insulating material and application in the cable thereof | |
| CN102702629A (en) | Flame-retardant heat-resistant wear-resistant radiation cross-linking chlorinated polyethylene rubber and preparation method thereof | |
| CN105646803A (en) | Environment-friendly flame-retardant insulated cable material and preparation method thereof | |
| CN103992542A (en) | Long-service-life cable material containing compound filling material | |
| CN105273267A (en) | Environment-friendly low-smoke flame-retardant rubber composition as well as preparation method and application of environment-friendly low-smoke flame-retardant rubber composition | |
| CN102746564B (en) | Corrosion resistant CABLE MATERIALS of a kind of modified, high temperature resistant and preparation method thereof | |
| CN103554686A (en) | Method for producing radiation-vulcanized ethylene propylene diene monomer flame-retardant automobile rubber tube | |
| CN104231401A (en) | Polypropylene cable material and preparation method thereof | |
| CN103951860B (en) | A kind of preparation method of oil resistant cable sheath material | |
| CN110607047A (en) | High-temperature-resistant cable sheath | |
| CN105542351A (en) | Abrasion-resistant, anti-pulling and sun-resistant cable | |
| CN104194231A (en) | Oil-resistant flame-retardant cable jacket material | |
| CN104194223A (en) | Formula for improving flame retardation of PVC insulating material and processing process of formula | |
| CN106397935A (en) | Compound cable material added with nanometer bentonite modified asphalt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20180415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |