CN103951906B - A kind of preparation method of highly effective flame-retardant cable sheath material - Google Patents
A kind of preparation method of highly effective flame-retardant cable sheath material Download PDFInfo
- Publication number
- CN103951906B CN103951906B CN201410150682.4A CN201410150682A CN103951906B CN 103951906 B CN103951906 B CN 103951906B CN 201410150682 A CN201410150682 A CN 201410150682A CN 103951906 B CN103951906 B CN 103951906B
- Authority
- CN
- China
- Prior art keywords
- retardant
- flame
- cable sheath
- 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.)
- Expired - Fee Related
Links
Abstract
The preparation method that the invention discloses a kind of highly effective flame-retardant cable sheath material, comprising the steps: to weigh polyvinyl chloride resin, polyvinylidene chloride and GNA type neoprene mix homogeneously, to be placed in single screw extrusion machine blended, pelletize obtains base resin, it is placed in banbury banburying, adding plasticizer octyl ester of epoxy fatty acid, calcinated argil, nano-calcium carbonate, stabilizer, flame-retardant system and lubricating auxiliary agent mix homogeneously, wherein the gradation in adding procedure of plasticizer, implant, Pulvis Talci and nano-calcium carbonate is alternately added; Treating that temperature of charge is stable at 105-110 DEG C, add tetra-sulfurized pair pentamethylene thiuram and trimethylol-propane trimethacrylate mixing 45-50 second, Bao Tong, extrusion obtains weather proof cable sheath material. In the present invention, described highly effective flame-retardant cable sheath material stability is good, and flame retardant effect is extremely excellent, cheap, and ageing-resistant performance is better.
Description
Technical field
The present invention relates to cable jacket field of material technology, the preparation method particularly relating to a kind of highly effective flame-retardant cable sheath material.
Background technology
Fast development along with China market economy, coal industry obtains as one of the fundamental technology of world today's main energy sources and develops rapidly, the safety of mine is caused especially the attention of people, due to underground work bad environments, the safety of mine and the life of miner in the serious threat that occurs of various accidents, matched cable-flame retardant performance is noticeable equally, flame retardant cable is when cable itself catches fire for some reason or outer burning things which may cause a fire disaster ignites when catching fire, after extinguishing of catching fire, cable does not continue to burning, or burning time is very short, how to prepare the cable cover(ing) of a kind of highly effective flame-retardant to become to be presently required and solve the technical problem that.
Summary of the invention
The preparation method that the present invention proposes a kind of highly effective flame-retardant cable sheath material, described highly effective flame-retardant cable sheath material stability is good, and flame retardant effect is extremely excellent, cheap, and 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, weigh 30-50%PVC resin, 25-40% polyvinylidene chloride and 10-30%GNA type neoprene mix homogeneously by weight percentage and obtain major ingredient, the major ingredient of preparation is placed in single screw extrusion machine blended, pelletize obtains base resin, open banbury and be preheated to 50-55 DEG C, it is subsequently adding above-mentioned base resin and carries out banburying, the banburying time is 1-3min, and temperature rises to banburying 4-5min when 80-90 DEG C;
S2, add in the material of preparation and be equivalent to the plasticizer octyl ester of epoxy fatty acid of major ingredient 1.5-2.3wt%, (calcinated argil+nano-calcium carbonate) of 17-21wt%, the stabilizer of 1.5-2.4wt%, the flame-retardant system of 7-13wt%, the weight ratio of the antioxidant mix homogeneously of 0.15-0.34wt%, calcinated argil and nano-calcium carbonate is (2-5): 1;Wherein the gradation in adding procedure of plasticizer, implant, Pulvis Talci and nano-calcium carbonate is alternately added; 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 heat stabilizer by weight, antioxidant 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% phosphite ester by weight percentage;
S3, treat that temperature of charge is stable at 105-110 DEG C, add the tetra-sulfurized pair pentamethylene thiuram of 0.2-0.35wt% and the trimethylol-propane trimethacrylate mixing 45-50 second of 0.15-0.3wt%, deliver in mill thin logical 6-7 time, put into extrusion in screw extruder and obtain weather proof cable sheath material, wherein extrusion temperature is 185-188 DEG C, and in extrusion, steam pressure controls at 0.85-1.3MPa.
Preferably, the weight ratio of described polyvinyl chloride resin, polyvinylidene chloride and GNA type neoprene 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 heat stabilizer is calcium zinc stabilizer, and the weight ratio of fire retardant, fire retarding synergist and composite environment-friendly heat stabilizer is (4-7): (1-2): (1.5-2.7).
In the present invention, with polyvinyl chloride resin, polyvinylidene chloride and GNA type neoprene are base material, the resistance to combustion of polyvinylidene chloride, corrosion resistance and good, with polyvinyl chloride resin, heat stabilizer, plasticizer mating reaction, good processability, stability is excellent, heat resistance is obviously enhanced, use octyl ester of epoxy fatty acid as plasticizer, weather resistance is good, stability is excellent, use tetra-sulfurized pair pentamethylene thiuram as polyvinyl chloride resin, the vulcanizing agent of polyvinylidene chloride and GNA type neoprene, interpolation trimethylol-propane trimethacrylate is coordinated to carry out helping vulcanization reaction, cure time is short and abundant, and goods rubber has good wear-resisting, solvent resistant and decay resistance, wherein magnesium stearate is a kind of organic metal soap and can also serve as lubrication, mixing of materials is uniform, silicon fire retardant SFR-100 combines as fire retardant with magnesium stearate, smoke suppressing and the fire resistance of polyvinyl chloride resin, polyvinylidene chloride and GNA type neoprene can be improved, and processing characteristics can be improved, coordinate wherein and add appropriate aluminium hydroxide, it is cheap, not only can reduce cost, and goods cable cover(ing) can be applicable to the occasion that flame-retardancy requirements is comparatively harsh, flame retardant effect is extremely excellent, and halogen-free environmental, above-mentioned fire retardant and fire retarding synergist and composite environment-friendly heat stabilizer combined effect, synergistic effect is obvious, and cheap, restrictive coating is thermally-stabilised good, and cable has high-low temperature resistant and good fire resistance, Hinered phenols antioxidant and auxiliary antioxidant: namely thio-2 acid dibasic acid esters or phosphite ester with the use of, synergism is notable, and antioxidant effect is good, the high and low poison of stability, can further improve heat-resisting, the light aging resisting property of electric wire and cable jacket.
Accompanying drawing explanation
Fig. 1 is the preparation technology flow chart of a kind of highly effective flame-retardant cable sheath material that the present invention proposes.
Detailed description of the invention
As it is shown in figure 1, the preparation technology flow chart of a kind of highly effective flame-retardant cable sheath material that Fig. 1 is the present invention to be proposed.
With reference to Fig. 1, the preparation method of a kind of highly effective flame-retardant cable sheath material that the present invention proposes, comprise the steps:
S1, weigh 30-50%PVC resin, 25-40% polyvinylidene chloride and 10-30%GNA type neoprene mix homogeneously by weight percentage and obtain major ingredient, the major ingredient of preparation is placed in single screw extrusion machine blended, pelletize obtains base resin, open banbury and be preheated to 50-55 DEG C, it is subsequently adding above-mentioned base resin and carries out banburying, the banburying time is 1-3min, and temperature rises to banburying 4-5min when 80-90 DEG C;
S2, add in the material of preparation and be equivalent to the plasticizer octyl ester of epoxy fatty acid of major ingredient 1.5-2.3wt%, (calcinated argil+nano-calcium carbonate) of 17-21wt%, the stabilizer of 1.5-2.4wt%, the flame-retardant system of 7-13wt%, the weight ratio of the antioxidant mix homogeneously of 0.15-0.34wt%, calcinated argil and nano-calcium carbonate is (2-5): 1; Wherein the gradation in adding procedure of plasticizer, implant, Pulvis Talci and nano-calcium carbonate is alternately added; 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 heat stabilizer by weight, antioxidant 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% phosphite ester by weight percentage;
S3, treat that temperature of charge is stable at 105-110 DEG C, add the tetra-sulfurized pair pentamethylene thiuram of 0.2-0.35wt% and the trimethylol-propane trimethacrylate mixing 45-50 second of 0.15-0.3wt%, deliver in mill thin logical 6-7 time, put into extrusion in screw extruder and obtain weather proof cable sheath material, wherein extrusion temperature is 185-188 DEG C, and in extrusion, steam pressure controls at 0.85-1.3MPa.
Embodiment 1
The preparation method of a kind of highly effective flame-retardant cable sheath material, comprises the steps:
S1, weigh 45%PVC resin, 40% polyvinylidene chloride and 15%GNA type neoprene mix homogeneously by weight percentage and obtain major ingredient, the major ingredient of preparation is placed in single screw extrusion machine blended, pelletize obtains base resin, open banbury and be preheated to 50 DEG C, it is subsequently adding above-mentioned base resin and carries out banburying, the banburying time is 3min, and temperature rises to banburying 5min when 82 DEG C;
S2, add in the material of preparation and be equivalent to the plasticizer octyl ester of epoxy fatty acid of major ingredient 1.8wt%, (calcinated argil+nano-calcium carbonate) of 19wt%, the stabilizer of 1.9wt%, the flame-retardant system of 10wt%, the weight ratio of the antioxidant mix homogeneously of 0.19wt%, calcinated argil and nano-calcium carbonate is 4:1; Wherein the gradation in adding procedure of plasticizer, implant, Pulvis Talci and nano-calcium carbonate is alternately added; 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 heat stabilizers by weight, antioxidant 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% phosphite ester by weight percentage;
S3, treat that temperature of charge is stable at 105 DEG C, add mixing 50 seconds of the trimethylol-propane trimethacrylate of tetra-sulfurized pair pentamethylene thiuram and the 0.25wt% of 0.32wt%, deliver to thin in mill leading to 6 times, put into extrusion in screw extruder and obtain weather proof cable sheath material, wherein extrusion temperature is 185 DEG C, and in extrusion, steam pressure controls at 1.25MPa.
Embodiment 2
The preparation method of a kind of highly effective flame-retardant cable sheath material, comprises the steps:
S1, weigh 50%PVC resin, 30% polyvinylidene chloride and 20%GNA type neoprene mix homogeneously by weight percentage and obtain major ingredient, the major ingredient of preparation is placed in single screw extrusion machine blended, pelletize obtains base resin, open banbury and be preheated to 55 DEG C, it is subsequently adding above-mentioned base resin and carries out banburying, the banburying time is 1min, and temperature rises to banburying 4min when 82 DEG C;
S2, add in the material of preparation and be equivalent to the plasticizer octyl ester of epoxy fatty acid of major ingredient 2.3wt%, (calcinated argil+nano-calcium carbonate) of 20wt%, the stabilizer of 1.8wt%, the flame-retardant system of 12wt%, the weight ratio of the antioxidant mix homogeneously of 0.33wt%, calcinated argil and nano-calcium carbonate is 5:1;Wherein the gradation in adding procedure of plasticizer, implant, Pulvis Talci and nano-calcium carbonate is alternately added; 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 heat stabilizers by weight, antioxidant 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% phosphite ester by weight percentage;
S3, treat that temperature of charge is stable at 110 DEG C, add mixing 48 seconds of the trimethylol-propane trimethacrylate of tetra-sulfurized pair pentamethylene thiuram and the 0.25wt% of 0.25wt%, deliver to thin in mill leading to 7 times, put into extrusion in screw extruder and obtain weather proof cable sheath material, wherein extrusion temperature is 187 DEG C, and in extrusion, steam pressure controls at 0.95MPa.
Embodiment 3
The preparation method of a kind of highly effective flame-retardant cable sheath material, comprises the steps:
S1, weigh 40%PVC resin, 30% polyvinylidene chloride and 30%GNA type neoprene mix homogeneously by weight percentage and obtain major ingredient, the major ingredient of preparation is placed in single screw extrusion machine blended, pelletize obtains base resin, open banbury and be preheated to 53 DEG C, it is subsequently adding above-mentioned base resin and carries out banburying, the banburying time is 2min, and temperature rises to banburying 4min when 87 DEG C;
S2, add in the material of preparation and be equivalent to the plasticizer octyl ester of epoxy fatty acid of major ingredient 1.5wt%, (calcinated argil+nano-calcium carbonate) of 20wt%, the stabilizer of 2.2wt%, the flame-retardant system of 12wt%, the weight ratio of the antioxidant mix homogeneously of 0.25wt%, calcinated argil and nano-calcium carbonate is 2:1; Wherein the gradation in adding procedure of plasticizer, implant, Pulvis Talci and nano-calcium carbonate is alternately added; 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, antioxidant 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% phosphite ester by weight percentage;
S3, treat that temperature of charge is stable at 108 DEG C, add mixing 48 seconds of the trimethylol-propane trimethacrylate of tetra-sulfurized pair pentamethylene thiuram and the 0.19wt% of 0.31wt%, deliver to thin in mill leading to 6 times, put into extrusion in screw extruder and obtain weather proof cable sheath material, wherein extrusion temperature is 187 DEG C, and in extrusion, steam pressure controls at 1.3MPa.
High pressure resistant cable sheath material described in embodiment 1-4 is carried out performance test, and test result is as follows:
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (2)
1. the preparation method of a highly effective flame-retardant cable sheath material, it is characterised in that comprise the steps:
S1, weigh 30-50%PVC resin, 25-40% polyvinylidene chloride and 10-30%GNA type neoprene mix homogeneously by weight percentage and obtain major ingredient, the major ingredient of preparation is placed in single screw extrusion machine blended, pelletize obtains base resin, open banbury and be preheated to 50-55 DEG C, it is subsequently adding above-mentioned base resin and carries out banburying, the banburying time is 1-3min, and temperature rises to banburying 4-5min when 80-90 DEG C;
S2, add in the material of preparation and be equivalent to the plasticizer octyl ester of epoxy fatty acid of major ingredient 1.5-2.3wt%, the mixture of the calcinated argil of 17-21wt% and nano-calcium carbonate composition, the stabilizer of 1.5-2.4wt%, the flame-retardant system of 7-13wt%, the weight ratio of the antioxidant mix homogeneously of 0.15-0.34wt%, calcinated argil and nano-calcium carbonate is (2-5): 1; Wherein the gradation in adding procedure of plasticizer, implant, Pulvis Talci and nano-calcium carbonate is alternately added; 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 heat stabilizer by weight, antioxidant 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% phosphite ester by weight percentage;
S3, treat that temperature of charge is stable at 105-110 DEG C, add the tetra-sulfurized pair pentamethylene thiuram of 0.2-0.35wt% and the trimethylol-propane trimethacrylate mixing 45-50 second of 0.15-0.3wt%, deliver in mill thin logical 6-7 time, put into extrusion in screw extruder and obtain weather proof cable sheath material, wherein extrusion temperature is 185-188 DEG C, and in extrusion, steam pressure controls at 0.85-1.3MPa;
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 heat stabilizer is calcium zinc stabilizer, and the weight ratio of fire retardant, fire retarding synergist and composite environment-friendly heat stabilizer is (4-7): (1-2): (1.5-2.7).
2. the preparation method of highly effective flame-retardant cable sheath material according to claim 1, it is characterized in that, the weight ratio of described polyvinyl chloride resin, polyvinylidene chloride and GNA type neoprene is (45-40): (30-35): (25-30).
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 CN103951906A (en) | 2014-07-30 |
| CN103951906B true 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) |
Families Citing this family (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 |
| CN112625405B (en) * | 2020-11-26 | 2022-03-22 | 金发科技股份有限公司 | Low-smoke density halogen-free flame-retardant reinforced PBT/PET compound and preparation method 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103951906A (en) | 2014-07-30 |
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 | |
| CN103951906B (en) | A kind of preparation method of highly effective flame-retardant cable sheath material | |
| CN104558868B (en) | Preparation method of corrosion-resistant flame-retardant cable rubber material | |
| CN103804808B (en) | One is high-strength presses down cigarette Pyrotenax sheath material | |
| CN101463166B (en) | Formula of environment protection type flame-retardant rubber pipe | |
| CN104151739A (en) | Fire-resistant high temperature-resistant cable material and preparation method thereof | |
| CN103980601B (en) | A kind of flame-proof anti-aging cable jacket material | |
| CN102911409B (en) | Environment-friendly tensile high-temperature-resistant control cable material and preparation method thereof | |
| CN106674768A (en) | Ethylene propylene diene terpolymer low-smoke zero-halogen flame retardant soft rubber | |
| CN105646803A (en) | Environment-friendly flame-retardant insulated cable material and preparation method thereof | |
| CN104151746B (en) | A kind of environmental protection flame retardant insulating material and application in the cable thereof | |
| CN103589036A (en) | Expanding flame-retardant cable insulation material and preparation method thereof | |
| CN105694279A (en) | Electric-insulation high-temperature-resistant fireproof filled cable protective layer | |
| CN106380740B (en) | Flame-retardant flexible polyvinyl chloride wire and cable material and preparation method thereof | |
| CN114525000A (en) | Flame-retardant polyvinyl chloride cable material and preparation method thereof | |
| CN105670163A (en) | Heat-resistant flame-retardant polyvinyl chloride cable | |
| CN110607047A (en) | High-temperature-resistant cable sheath | |
| CN107556630A (en) | A kind of cold-resistant flame-proof cable sheath material of good performance and preparation method thereof | |
| 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 | |
| CN103865203A (en) | Formula for improving flame retardation of PVC (polyvinyl chloride) insulating material and processing process thereof | |
| CN105602019A (en) | Environment-friendly flame-retardant rubber sole material and preparation method thereof | |
| CN104151749B (en) | A kind of Flame-retardant low-smoke cable | |
| CN107245178A (en) | A kind of environmentally friendly locomotive cable material of oil resistant low temperature resistant and preparation method |
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 |