CN104319006A - Wear-resisting and anti-flaming communication flexible cable - Google Patents
Wear-resisting and anti-flaming communication flexible cable Download PDFInfo
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- CN104319006A CN104319006A CN201410609211.5A CN201410609211A CN104319006A CN 104319006 A CN104319006 A CN 104319006A CN 201410609211 A CN201410609211 A CN 201410609211A CN 104319006 A CN104319006 A CN 104319006A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The invention discloses a wear-resisting and anti-flaming communication flexible cable. According to the wear-resisting and anti-flaming communication flexible cable, the outer surfaces of four core wires are wrapped in a polyvinyl chloride layer, the outer surface of the polyvinyl chloride layer is wrapped in a thermoplastic polyurethane layer, the polyvinyl chloride layer comprises, 50-70 parts of low-density polyethylene, 35-45 parts of high-density polyethylene, 25-35 parts of diethyl phthalate, 18-25 parts of Tri-Octyl Tri-Meta-Benzoate, 20-30 parts of calcium carbonate, and 1-5 parts of calcium ricinoleate, and the thermoplastic polyurethane layer comprises, 80-100 parts of thermoplastic polyurethane elastomer, 10-20 parts of low-density polyethylene, 8-15 parts of ethylene-ethyl acrylate, 5-10 parts of ethylene-butylene copolymer, 4-8 parts of silicon dioxide, 8-20 parts of butyronitrile compound, and 5-10 parts of chlorinated polyethylene. By the adoption of the wear-resisting and anti-flaming communication flexible cable, the mechanical and physical performance of an indoor data cable is improved greatly, application and maintenance are facilitated, insulation performance, weather resistance and flame resistance are improved, and layering is avoided.
Description
Technical field
The present invention relates to a kind of communication flexible cable, particularly relate to the fire-retardant communication flexible cable of a kind of wear-resisting type.
Background technology
Existing communication flexible cable is generally for house wiring, its primary structure is that single line is through twisting operation, then several groups of strands will be twisted into circular configuration to line and carry out outer protecting one deck PVC(polyvinyl chloride again with certain laying up pitch) oversheath, will be there is following technical problem in this product owner: (1) is when requiring to improve the many indexes such as insulation property, weatherability and fire resistance simultaneously, be difficult to take into account simultaneously, often cause wherein part index number to decline or difficult raising; (2) cable is when under tension is torn, and stress point all can be concentrated, and cable is easy to just separated, the cable core of destructible cable; (3) thermal stability and radiotolerant characteristic poor, insulation property, surface abrasion resistance and case hardness, also to be improved.How to solve the problems of the technologies described above the direction becoming those skilled in the art and make great efforts.
Summary of the invention
The invention provides the fire-retardant communication flexible cable of a kind of wear-resisting type, the fire-retardant communication flexible cable of this wear-resisting type considerably increases the mechanical and physical performance of house data cable, convenient application and maintenance, and improve insulation property, weatherability and fire resistance, it also avoid lamination.
For achieving the above object, the technical solution used in the present invention is: the fire-retardant communication flexible cable of a kind of wear-resisting type, and comprise 4 heart yearns, this heart yearn is made up of the conductive unit that 2 are coated with insulating barrier, and described heart yearn outer surface is all surrounded with polyester belt;
One polyvinyl chloride layer is coated on 4 described heart yearn outer surfaces, one thermoplastic urethane layers is coated on described polyvinyl chloride layer outer surface, the surface that described polyvinyl chloride layer contacts with thermoplastic urethane layers has been uniformly distributed circumferentially several projections, is all distributed with some polyethylene ropes in described polyvinyl chloride layer along its circumference;
Described polyvinyl chloride layer is composed of the following components:
Melt index is the low density polyethylene (LDPE) 50 ~ 70 parts of 1 ~ 8g/10min,
Melt index is the high density polyethylene (HDPE) 35 ~ 45 parts of 1 ~ 8g/10min,
Diethyl phthalate 25 ~ 35 parts,
Trioctyl trimellitate (TOTM) 18 ~ 25 parts,
20 ~ 30 parts, calcium carbonate,
Calcium ricinoleate 1 ~ 5 part,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 2 ~ 5 parts,
Stearic acid 1 ~ 5 part,
Tissuemat E 0.5 ~ 1 part,
Described thermoplastic urethane layers is composed of the following components:
80 ~ 100 parts, thermoplastic poly ammonia phenol elastomer,
Melt index is the low density polyethylene (LDPE) 10 ~ 20 parts of 1 ~ 8g/10min,
Ethylene ethyl acrylate 8 ~ 15 parts,
Ethylene-butylene copolymer 5 ~ 10 parts,
Silicon dioxide 4 ~ 8 parts,
Butyronitrile compound 8 ~ 20 parts,
Haloflex 5 ~ 10 parts,
Zinc 5 ~ 15 parts,
Magnesium hydroxide 5 ~ 12 parts,
Compound molybdenum smoke suppressant 2 ~ 8 parts,
Imvite 1 ~ 5 part,
Calcium-zinc composite stabilizing agent 1 ~ 3 part,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 1 ~ 3 part,
Zinc stearate 2 ~ 4 parts.
In technique scheme, further improvement opportunity scheme is as follows:
1., in such scheme, described polyvinyl chloride layer is composed of the following components:
Melt index is the low density polyethylene (LDPE) 55 ~ 65 parts of 1 ~ 8g/10min,
Melt index is the high density polyethylene (HDPE) 38 ~ 42 parts of 1 ~ 8g/10min,
Diethyl phthalate 26 ~ 32 parts,
Trioctyl trimellitate (TOTM) 18 ~ 25 parts,
23 ~ 28 parts, calcium carbonate,
Calcium ricinoleate 2 ~ 4 parts,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 2 ~ 5 parts,
Stearic acid 1 ~ 5 part,
Tissuemat E 0.5 ~ 1 part.
2., in such scheme, described thermoplastic urethane layers is composed of the following components:
85 ~ 95 parts, thermoplastic poly ammonia phenol elastomer,
Melt index is the low density polyethylene (LDPE) 12 ~ 18 parts of 1 ~ 8g/10min,
Ethylene ethyl acrylate 10 ~ 14 parts,
Ethylene-butylene copolymer 6 ~ 8 parts,
Silicon dioxide 4 ~ 8 parts,
Butyronitrile compound 12 ~ 18 parts,
Haloflex 6 ~ 9 parts,
Zinc 7 ~ 12 parts,
Magnesium hydroxide 5 ~ 12 parts,
Compound molybdenum smoke suppressant 3 ~ 8 parts,
Imvite 1 ~ 5 part,
Calcium-zinc composite stabilizing agent 1 ~ 3 part,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 1 ~ 3 part,
Zinc stearate 2 ~ 4 parts.
3., in such scheme, the number of slugs on described polyvinyl chloride layer surface is 8.
4., in such scheme, the thickness of described thermoplastic urethane layers is greater than the thickness of polyvinyl chloride layer.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. the fire-retardant communication flexible cable of wear-resisting type of the present invention, its thermoplastic urethane layers is coated on described polyvinyl chloride layer outer surface, the surface that described polyvinyl chloride layer contacts with thermoplastic urethane layers has been uniformly distributed circumferentially several projections, polyvinyl chloride layer comprises the low density polyethylene (LDPE) 50 ~ 70 parts that melt index is 1 ~ 8g/10min, melt index is the high density polyethylene (HDPE) 35 ~ 45 parts of 1 ~ 8g/10min, diethyl phthalate 25 ~ 35 parts, thermoplastic urethane layers comprises 80 ~ 100 parts, thermoplastic poly ammonia phenol elastomer, the melt index of collocation is the low density polyethylene (LDPE) 10 ~ 20 parts of 1 ~ 8g/10min, ethylene ethyl acrylate 8 ~ 15 parts, calcium-zinc composite stabilizing agent 1 ~ 3 part, two (3, 5-tri-grades of butyl-4-hydroxy phenyls) thioether 1 ~ 3 part, zinc stearate 2 ~ 4 parts, the first restrictive coating is made to combine respective advantage, improve insulation property, weatherability and fire resistance, it also avoid because materials variances is larger simultaneously, the lamination caused, improve polyvinyl chloride layer, thermoplastic urethane layers contact-making surface compatibility and firmness, improve reliability and the useful life of properties of product.
2. the fire-retardant communication flexible cable of wear-resisting type of the present invention, its polyvinyl chloride layer adopts trioctyl trimellitate (TOTM) 18 ~ 25 parts further, 20 ~ 30 parts, calcium carbonate, calcium ricinoleate 1 ~ 5 part, two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 2 ~ 5 parts, stearic acid 1 ~ 5 part, Tissuemat E 0.5 ~ 1 part; Thermoplastic urethane layers adopts ethylene-butylene copolymer 5 ~ 10 parts further, silicon dioxide 4 ~ 8 parts, butyronitrile compound 8 ~ 20 parts, haloflex 5 ~ 10 parts, improve the first restrictive coating thermal stability result, radiotolerant characteristic, improve insulation property, surface abrasion resistance and case hardness, surperficial cloudy surface matte effect is excellent and reduce the shrinkage of material simultaneously.
3. the fire-retardant communication flexible cable of wear-resisting type of the present invention, the thermoplastic urethane layers of its polyvinyl chloride layer outer surface is further containing zinc 5 ~ 15 parts, magnesium hydroxide 5 ~ 12 parts, compound molybdenum smoke suppressant 2 ~ 8 parts, imvite 1 ~ 5 part also acts synergistically with other component, improves greatly Flame Retardancy energy, the oxygen index representing anti-flammability is high, and making material have good one-tenth charcoal effect when burning, defining stable hollow activated carbon composite structure, preventing second-time burning and the flame propagation of material.
4. the fire-retardant communication flexible cable of wear-resisting type of the present invention, its polyvinyl chloride layer is coated on 4 described heart yearn outer surfaces, one thermoplastic urethane layers is coated on described polyvinyl chloride layer outer surface, the surface that described polyvinyl chloride layer contacts with thermoplastic urethane layers has been uniformly distributed circumferentially several projections, make cable can meet the performances such as fire-retardant, chemically-resistant, wear-resisting, resistance to complications simultaneously, considerably increase the mechanical and physical performance of house data cable, convenient application and maintenance, extend cable useful life, there is promotion prospect widely.
Accompanying drawing explanation
Accompanying drawing 1 is the fire-retardant communication flexible cable structural representation of wear-resisting type of the present invention.
In above accompanying drawing: 1, insulating barrier; 2, heart yearn; 3, polyethylene rope; 4, conductive unit; 5, polyester belt; 6, polyvinyl chloride layer; 7, thermoplastic urethane layers; 8, projection.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1 ~ 5: the fire-retardant communication flexible cable of a kind of wear-resisting type, comprises 4 heart yearns 2, and this heart yearn 2 is made up of the conductive unit 4 that 2 are coated with insulating barrier 1, and described heart yearn 2 outer surface is all surrounded with polyester belt 5;
One polyvinyl chloride layer 6 is coated on 4 described heart yearn 2 outer surfaces, one thermoplastic urethane layers 7 is coated on described polyvinyl chloride layer 6 outer surface, the surface that described polyvinyl chloride layer 6 contacts with thermoplastic urethane layers 7 has been uniformly distributed circumferentially several projections 8, is all distributed with some polyethylene ropes 3 in described polyvinyl chloride layer 6 along its circumference.
Projection 8 quantity on above-mentioned polyvinyl chloride layer 6 surface is 8, and the thickness of above-mentioned thermoplastic urethane layers 7 is greater than the thickness of polyvinyl chloride layer 6.
Above-mentioned polyvinyl chloride layer 6 is composed of the following components, specifically as shown in table 1:
Table 1
Above-mentioned thermoplastic urethane layers 7 is composed of the following components, specifically as shown in table 2:
Table 2
The fire-retardant communication flexible cable performance of embodiment 1 ~ 5 wear-resisting type is in table 3:
Table 3
When adopting the fire-retardant communication flexible cable of above-mentioned wear-resisting type, its polyvinyl chloride layer is coated on 4 described heart yearn outer surfaces, one thermoplastic urethane layers is coated on described polyvinyl chloride layer outer surface, the surface that described polyvinyl chloride layer contacts with thermoplastic urethane layers has been uniformly distributed circumferentially several projections, make cable can meet the performances such as fire-retardant, chemically-resistant, wear-resisting, resistance to complications simultaneously, considerably increase the mechanical and physical performance of house data cable, convenient application and maintenance, extend cable useful life, there is promotion prospect widely.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. the fire-retardant communication flexible cable of wear-resisting type, is characterized in that: comprise 4 heart yearns (2), and this heart yearn (2) is made up of the conductive unit (4) that 2 are coated with insulating barrier (1), and described heart yearn (2) outer surface is all surrounded with polyester belt (5);
One polyvinyl chloride layer (6) is coated on 4 described heart yearn (2) outer surfaces, one thermoplastic urethane layers (7) is coated on described polyvinyl chloride layer (6) outer surface, the surface that described polyvinyl chloride layer (6) contacts with thermoplastic urethane layers (7) has been uniformly distributed circumferentially several projections (8), is all distributed with some polyethylene ropes (3) in described polyvinyl chloride layer (6) along its circumference;
Described polyvinyl chloride layer (6) is composed of the following components:
Melt index is the low density polyethylene (LDPE) 50 ~ 70 parts of 1 ~ 8g/10min,
Melt index is the high density polyethylene (HDPE) 35 ~ 45 parts of 1 ~ 8g/10min,
Diethyl phthalate 25 ~ 35 parts,
Trioctyl trimellitate (TOTM) 18 ~ 25 parts,
20 ~ 30 parts, calcium carbonate,
Calcium ricinoleate 1 ~ 5 part,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 2 ~ 5 parts,
Stearic acid 1 ~ 5 part,
Tissuemat E 0.5 ~ 1 part,
Described thermoplastic urethane layers (7) is composed of the following components:
80 ~ 100 parts, thermoplastic poly ammonia phenol elastomer,
Melt index is the low density polyethylene (LDPE) 10 ~ 20 parts of 1 ~ 8g/10min,
Ethylene ethyl acrylate 8 ~ 15 parts,
Ethylene-butylene copolymer 5 ~ 10 parts,
Silicon dioxide 4 ~ 8 parts,
Butyronitrile compound 8 ~ 20 parts,
Haloflex 5 ~ 10 parts,
Zinc 5 ~ 15 parts,
Magnesium hydroxide 5 ~ 12 parts,
Compound molybdenum smoke suppressant 2 ~ 8 parts,
Imvite 1 ~ 5 part,
Calcium-zinc composite stabilizing agent 1 ~ 3 part,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 1 ~ 3 part,
Zinc stearate 2 ~ 4 parts.
2. the fire-retardant communication flexible cable of wear-resisting type according to claim 1, is characterized in that: described polyvinyl chloride layer (31) is composed of the following components:
Melt index is the low density polyethylene (LDPE) 55 ~ 65 parts of 1 ~ 8g/10min,
Melt index is the high density polyethylene (HDPE) 38 ~ 42 parts of 1 ~ 8g/10min,
Diethyl phthalate 26 ~ 32 parts,
Trioctyl trimellitate (TOTM) 18 ~ 25 parts,
23 ~ 28 parts, calcium carbonate,
Calcium ricinoleate 2 ~ 4 parts,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 2 ~ 5 parts,
Stearic acid 1 ~ 5 part,
Tissuemat E 0.5 ~ 1 part.
3. the fire-retardant communication flexible cable of wear-resisting type according to claim 1, is characterized in that: described thermoplastic urethane layers (32) is composed of the following components:
85 ~ 95 parts, thermoplastic poly ammonia phenol elastomer,
Melt index is the low density polyethylene (LDPE) 12 ~ 18 parts of 1 ~ 8g/10min,
Ethylene ethyl acrylate 10 ~ 14 parts,
Ethylene-butylene copolymer 6 ~ 8 parts,
Silicon dioxide 4 ~ 8 parts,
Butyronitrile compound 12 ~ 18 parts,
Haloflex 6 ~ 9 parts,
Zinc 7 ~ 12 parts,
Magnesium hydroxide 5 ~ 12 parts,
Compound molybdenum smoke suppressant 3 ~ 8 parts,
Imvite 1 ~ 5 part,
Calcium-zinc composite stabilizing agent 1 ~ 3 part,
Two (3,5-, tri-grades of butyl-4-hydroxy phenyls) thioether 1 ~ 3 part,
Zinc stearate 2 ~ 4 parts.
4. the fire-retardant communication flexible cable of wear-resisting type according to claim 1, is characterized in that: projection (8) quantity on described polyvinyl chloride layer (6) surface is 8.
5. the fire-retardant communication flexible cable of wear-resisting type according to claim 1, is characterized in that: the thickness of described thermoplastic urethane layers (7) is greater than the thickness of polyvinyl chloride layer (6).
6. in above accompanying drawing: 1, insulating barrier; 2, heart yearn; 3, polyethylene rope; 4, conductive unit; 5, polyester belt; 6, polyvinyl chloride layer; 7, thermoplastic urethane layers; 8, projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609211.5A CN104319006B (en) | 2014-11-03 | 2014-11-03 | Wear-resisting and anti-flaming communication flexible cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410609211.5A CN104319006B (en) | 2014-11-03 | 2014-11-03 | Wear-resisting and anti-flaming communication flexible cable |
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| CN104319006A true CN104319006A (en) | 2015-01-28 |
| CN104319006B CN104319006B (en) | 2017-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602065A (en) * | 2016-02-03 | 2016-05-25 | 安徽华联电缆集团有限公司 | High-performance cable containing glass fiber |
| CN106205824A (en) * | 2016-06-30 | 2016-12-07 | 湖北海德讯信息科技有限公司 | Wear-resisting practical cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2339210A1 (en) * | 1998-08-06 | 2000-02-17 | Rune Totland | Cable with twisting filler |
| CN1294148A (en) * | 1999-11-02 | 2001-05-09 | 海尔科化工程塑料国家工程研究中心有限公司 | Non-toxic polyvinyl chloride composition and its preparing process |
| JP2011142070A (en) * | 2009-12-10 | 2011-07-21 | Sumitomo Electric Ind Ltd | Multi-core cable |
| CN102443230A (en) * | 2011-10-31 | 2012-05-09 | 上海交通大学 | Polyvinyl chloride thermoplastic elastomer possessing high rebound elasticity and its preparation method |
| CN203444814U (en) * | 2013-07-19 | 2014-02-19 | 江苏亨通线缆科技有限公司 | Collision-resistant marine data cable |
-
2014
- 2014-11-03 CN CN201410609211.5A patent/CN104319006B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2339210A1 (en) * | 1998-08-06 | 2000-02-17 | Rune Totland | Cable with twisting filler |
| CN1294148A (en) * | 1999-11-02 | 2001-05-09 | 海尔科化工程塑料国家工程研究中心有限公司 | Non-toxic polyvinyl chloride composition and its preparing process |
| JP2011142070A (en) * | 2009-12-10 | 2011-07-21 | Sumitomo Electric Ind Ltd | Multi-core cable |
| CN102443230A (en) * | 2011-10-31 | 2012-05-09 | 上海交通大学 | Polyvinyl chloride thermoplastic elastomer possessing high rebound elasticity and its preparation method |
| CN203444814U (en) * | 2013-07-19 | 2014-02-19 | 江苏亨通线缆科技有限公司 | Collision-resistant marine data cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105602065A (en) * | 2016-02-03 | 2016-05-25 | 安徽华联电缆集团有限公司 | High-performance cable containing glass fiber |
| CN106205824A (en) * | 2016-06-30 | 2016-12-07 | 湖北海德讯信息科技有限公司 | Wear-resisting practical cable |
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| CN104319006B (en) | 2017-01-11 |
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