CN103123828A - Fire-resistant communication cable - Google Patents
Fire-resistant communication cable Download PDFInfo
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- CN103123828A CN103123828A CN2013100406472A CN201310040647A CN103123828A CN 103123828 A CN103123828 A CN 103123828A CN 2013100406472 A CN2013100406472 A CN 2013100406472A CN 201310040647 A CN201310040647 A CN 201310040647A CN 103123828 A CN103123828 A CN 103123828A
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Abstract
The invention discloses a fire-resistant communication cable. The cable comprises a plurality of double-strand insulation signal copper wires which form a cable core, and a wrapping tape, a ceramic silicone rubber refractory coating and a flame-retardant oxygen-insulation outer sheath are sequentially coated outside the cable core. The ceramic silicone rubber refractory coating is superior in fire prevention and resistance and can be ablated into a hard protective case even the duration of fire resistance is exceeded, the protective case can prevent flames from further extending towards the inside of the cable, and the normal use function of the cable is guaranteed. The flame-retardant oxygen-insulation outer sheath can isolate heat and prevent external heat from being transmitted to the inside of the cable in case of fire disasters, when external flames are large and last for a long time, the flame-retardant oxygen-insulation outer sheath begins to foam when the temperature reaches a certain degree, the thickness after foaming is increased, the heat insulation capacity is improved, and the heat insulation inside the cable is further strengthened.
Description
Technical field
The present invention relates to a kind of cable, relate in particular to a kind of fire-resistant communication cable.
Background technology
Along with the continuous progress of social development, people improve constantly the requirement of security protection.In field of telecommunications cables, people also have more and more higher requirement to fire-resistant communication cable continued power ability in fire, and the insulated fireproof performance of fire-resistant communication cable is to continued power ability important in its fire.
Summary of the invention
The object of the present invention is to provide a kind of fire-resistant communication cable that can improve the insulated fireproof performance.
For achieving the above object, fire-resistant communication cable provided by the present invention comprises some bifilar insulating signal copper cash, and these bifilar insulating signal copper cash form cable core, and cable core is coated with band, ceramic silicon rubber flame retardant coating and fire-retardant oxygen barrier oversheath outward successively.
Preferably, described ceramic silicon rubber flame retardant coating is made by the composition proportioning of 100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders.
Certainly, ceramic silicon rubber flame retardant coating can also be the wrapped formation of ceramic silicone rubber fireproof band, and ceramic silicone rubber fireproof band is made by the composition proportioning of 100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders.
Preferably, described fire-retardant oxygen barrier oversheath extrudes by 100 parts of ethylene-vinyl acetate copolymers, 10～80 parts of polyolefin elastomers, 10～35 parts of blowing agents, 1～10 part of blowing promotor, 1～6 part of coupling agent, 1～6 part, antioxidant with by the mixture of the mixture of red phosphorus or 6～15 parts of phosphoric acid ester fire retardants, 30～80 parts of magnesium hydroxides, 5～20 parts of Firebrake ZBs or 20 ~ 66 parts of APPs, melamine pyrophosphate or 10 ~ 36 parts of Quadrafos, 7～24 parts of pentaerythrites and forms, and this fire-retardant oxygen barrier oversheath does not foam when extruding moulding or little foaming.
Preferably, also be provided with flame-retardant expanded ceramic silastic-layer between described ceramic silicon rubber flame retardant coating and fire-retardant oxygen barrier oversheath.Flame-retardant expanded ceramic silastic-layer can foam when being heated to a certain degree, can further play heat-blocking action after foaming, makes outside heat be difficult for reaching cable inside, thereby can guarantee the normal use of cable.
Preferably, described flame-retardant expanded ceramic silastic-layer extrudes moulding by 100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders, 10～35 parts of blowing agents, 1～10 part of material mixture ratio of blowing promotor, and this flame-retardant expanded ceramic silastic-layer does not foam or little foaming.
The above silicon rubber can be in dimethyl silicone rubber (MQ), methyl vinyl silicone rubber (VMQ), methyl phenyl vinyl silicone rubber (PVMQ) a kind of or several.
The above coupling agent can be either one or several in silane coupler, titanate coupling agent, aluminium titanium composite coupler.A kind of or several in KH560, A171, A172, KR-TTS, OL-T671 for example.
The above Vitrified powder can be in silicate, borate, phosphate glass powder or lead base glass dust a kind of or several.
The above halogen-free flame retardants can be in red phosphorus, phosphoric acid ester fire retardant, magnesium hydroxide, aluminium hydroxide, Firebrake ZB, APP, melamine pyrophosphate or Quadrafos or pentaerythrite fire retardant a kind of or several.
The above blowing agent can be in Celogen Az (AC), dinitrosopentamethylene tetramine (blowing agent H) or 4,4'～oxygen two (benzene sulfonyl hydrazides) a kind of or several.
The above blowing promotor can be in zinc stearate, calcium stearate, activated zinc oxide a kind of or several.
The cable core of fire-resistant communication cable of the present invention is coated with band, ceramic silicon rubber flame retardant coating and fire-retardant oxygen barrier oversheath outward successively.Ceramic silicon rubber flame retardant coating fireproof＝fire-proof excellent performance still can ablation form hard containment vessel even surpass its fire endurance, and containment vessel can prevent that flame from further extending to cable is inner, guarantees the normal usage function of cable.
Fire-retardant oxygen barrier oversheath is when cable runs into fire, can be heat insulation, stop external heat to be passed to cable inside, when large and duration is longer at extraneous flame, fire-retardant oxygen barrier oversheath raises in temperature and begins foaming when acquiring a certain degree, after foaming, thickness increases and the heat-insulating capability lifting, further strengthens the heat insulation effect in cable inside.
Description of drawings
Fig. 1 is a wherein cross section structure schematic diagram of fire-resistant communication cable of the present invention;
Fig. 2 is wherein another cross section structure schematic diagram of fire-resistant communication cable of the present invention;
In figure, each description of reference numerals is as follows:
10. bifilar insulating signal copper cash, 20. bands, 30. ceramic silicon rubber flame retardant coatings, 40. fire-retardant oxygen barrier oversheaths, 50. flame-retardant expanded ceramic silastic-layers.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
See also Fig. 1, fire-resistant communication cable of the present invention comprises some bifilar insulating signal copper cash 10, and these bifilar insulating signal copper cash 10 form cable core, and cable core is coated with band 20, ceramic silicon rubber flame retardant coating 30 and fire-retardant oxygen barrier oversheath 40 outward successively.
Ceramic silicon rubber flame retardant coating 30 is made by the composition material proportioning of 60～100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders.
Certainly, ceramic silicon rubber flame retardant coating 30 can also be the wrapped formation of ceramic silicone rubber fireproof band, and ceramic silicone rubber fireproof band is made by the composition proportioning of 60～100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders.
Embodiment about ceramic silicon rubber flame retardant coating 30:
Embodiment 1
With the composition proportioning of 100 parts of dimethyl silicone rubbers (MQ), 20 parts of silicon dioxide, 1 part of silicone oil, 30 parts of halogen-free flame retardantss, 0.1 part of coupling agent, 20 parts of the silicate Vitrified powders raw material as ceramic silicon rubber flame retardant coating, ceramic silicone rubber fireproof band.
Embodiment 2
With the composition proportioning of 100 parts of methyl vinyl silicone rubbers (VMQ), 00 part of silica 1,20 parts of silicone oil, 5 parts of halogen-free flame retardantss, 10 parts of coupling agents, 120 parts of the borate Vitrified powders raw material as ceramic silicon rubber flame retardant coating, ceramic silicone rubber fireproof band.
Embodiment 3
With the composition proportioning of 100 parts of methyl phenyl vinyl silicone rubbers, 60 parts of silicon dioxide, 10 parts of silicone oil, 17 parts of halogen-free flame retardantss, 5 parts of coupling agents, 60 parts of the phosphate glass powder Vitrified powders raw material as ceramic silicon rubber flame retardant coating, ceramic silicone rubber fireproof band.
Embodiment 4
With the composition proportioning of dimethyl silicone rubber (MQ), 100 parts of methyl phenyl vinyl silicone rubbers, 20 parts of silicon dioxide, 2 parts of silicone oil, 10 parts of halogen-free flame retardantss, 8 parts of coupling agents, 30 parts of the lead base glass Vitrified powders raw material as ceramic silicon rubber flame retardant coating, ceramic silicone rubber fireproof band.
Fire-retardant oxygen barrier oversheath 40 extrudes by 50～120 parts of ethylene-vinyl acetate copolymers, 10～80 parts of polyolefin elastomers, 10～35 parts of blowing agents, 1～10 part of blowing promotor, 1～6 part of coupling agent, 1～6 part, antioxidant with by the mixture of the mixture of red phosphorus or 6～15 parts of phosphoric acid ester fire retardants, 30～80 parts of magnesium hydroxides, 5～20 parts of Firebrake ZBs or 20 ~ 66 parts of APPs, melamine pyrophosphate or 10 ~ 36 parts of Quadrafos, 7～24 parts of pentaerythrites and forms, and this fire-retardant oxygen barrier oversheath 40 does not foam when extruding moulding or little foaming.
Embodiment about fire-retardant oxygen barrier oversheath 40:
Embodiment 5
Extrude by 100 parts of ethylene-vinyl acetate copolymers, 10 parts of polyolefin elastomers, 10 parts of Celogen Az (AC) blowing agents, 2 parts of blowing promotors, 1 part of KH560 coupling agent, 1 part, antioxidant with by the mixture of 6 parts of red phosphorus combustion inhibitors, 30 parts of magnesium hydroxides, 5 parts of Firebrake ZBs and form fire-retardant oxygen barrier oversheath 40, this fire-retardant oxygen barrier oversheath 40 does not foam when extruding moulding.
Embodiment 6
Extrude by 100 parts of ethylene-vinyl acetate copolymers, 80 parts of polyolefin elastomers, 35 parts of dinitrosopentamethylene tetramines (blowing agent H), 10 parts of blowing promotors, 6 parts of A171 coupling agents, 6 parts, antioxidant with by the mixture of 66 parts of APPs, 36 parts of melamine pyrophosphates, 24 parts of pentaerythrites and form fire-retardant oxygen barrier oversheath 40, this fire-retardant oxygen barrier oversheath 40 little foaming when extruding moulding.
Embodiment 7
By 50 parts of 100 parts of ethylene-vinyl acetate copolymers, polyolefin elastomer, 4,20 parts of two (benzene sulfonyl hydrazide) blowing agents of 4'～oxygen, 5 parts of blowing promotors, 3 parts of KR-TTS coupling agents, 3 parts, antioxidant and extruded by the mixture of 15 parts, red phosphorus and form fire-retardant oxygen barrier oversheath 40, this fire-retardant oxygen barrier oversheath 40 does not foam when extruding moulding.
Embodiment 8
Extruded by the mixture of 100 parts of ethylene-vinyl acetate copolymers, 60 parts of polyolefin elastomers, 25 parts of dinitrosopentamethylene tetramines (blowing agent H), 9 parts of blowing promotors, 5 parts of OL-T671 coupling agents, 4 parts, antioxidant and 6 parts of phosphoric acid ester fire retardants, 30 parts of magnesium hydroxides, 5 parts of Firebrake ZBs and form fire-retardant oxygen barrier oversheath 40, this fire-retardant oxygen barrier oversheath 40 little foaming when extruding moulding.
See also Fig. 2, further be provided with flame-retardant expanded ceramic silastic-layer 50 between ceramic silicon rubber flame retardant coating 30 and fire-retardant oxygen barrier oversheath 40.Flame-retardant expanded ceramic silastic-layer 50 can foam when being heated to a certain degree, can further play heat-blocking action after foaming, makes outside heat be difficult for reaching cable inside, thereby can guarantee the normal use of cable.
Embodiment about flame-retardant expanded ceramic silastic-layer 50:
Embodiment 9
Flame-retardant expanded ceramic silastic-layer 50 extrudes moulding by 100 parts of methyl vinyl silicone rubbers (VMQ), 20 parts of silicon dioxide, 1 part of silicone oil, 5 parts of halogen-free flame retardantss, 0.1 part of OL-T671 coupling agent, 20 parts, lead base glass dust, 10 parts of blowing agents, 1 part of material mixture ratio of blowing promotor, and this flame-retardant expanded ceramic silastic-layer 50 does not foam.
Flame-retardant expanded ceramic silastic-layer 50 extrudes moulding by 100 parts, silicon rubber, 00 part of silica 1,20 parts of silicone oil, 30 parts of halogen-free flame retardantss, 10 parts of KH560 coupling agents, 120 parts of phosphate glass powders, 35 parts of blowing agents, 10 parts of material mixture ratios of blowing promotor, and this flame-retardant expanded ceramic silastic-layer 50 does not foam.
Embodiment 11
Flame-retardant expanded ceramic silastic-layer 50 extrudes moulding by 100 parts of dimethyl silicone rubbers (MQ), 60 parts of silicon dioxide, 10 parts of silicone oil, 16 parts of halogen-free flame retardantss, 5 parts of A171 coupling agents, 70 parts of borate Vitrified powders, 20 parts of blowing agents, 6 parts of material mixture ratios of blowing promotor, the little foaming of this flame-retardant expanded ceramic silastic-layer 50.
Flame-retardant expanded ceramic silastic-layer 50 can foam when being heated to a certain degree, can further play heat-blocking action after foaming, makes outside heat be difficult for reaching cable inside, thereby can guarantee the normal use of cable.
The cable core of fire-resistant communication cable of the present invention is coated with band 20, ceramic silicon rubber flame retardant coating 30 and fire-retardant oxygen barrier oversheath 40 outward successively.Ceramic silicon rubber flame retardant coating 30 fireproof＝fire-proof excellent performances still can ablation form hard containment vessel even surpass its fire endurance, and containment vessel can prevent that flame from further extending to cable is inner, guarantees the normal usage function of cable.
Fire-retardant oxygen barrier oversheath 40 is when cable runs into fire, can be heat insulation, stop external heat to be passed to cable inside, when large and duration is longer at extraneous flame, fire-retardant oxygen barrier oversheath 40 raises in temperature and begins foaming when acquiring a certain degree, after foaming, thickness increases and the heat-insulating capability lifting, further strengthens the heat insulation effect in cable inside.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art that also can make multiple variation accordingly, but any and the present invention are equal to or similar variation all should be encompassed in the scope of claim of the present invention.
Claims (6)
1. fire-resistant communication cable is characterized in that: comprise some bifilar insulating signal copper cash, these bifilar insulating signal copper cash form cables core, and cable core is coated with band, ceramic silicon rubber flame retardant coating and fire-retardant oxygen barrier oversheath outward successively.
2. fire-resistant communication cable as claimed in claim 1, it is characterized in that: described ceramic silicon rubber flame retardant coating is made by the composition proportioning of 100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders.
3. fire-resistant communication cable as claimed in claim 1, it is characterized in that: described ceramic silicon rubber flame retardant coating is by wrapped formation of ceramic silicone rubber fireproof band, and ceramic silicone rubber fireproof band is made by the composition proportioning of 100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders.
4. fire-resistant communication cable as claimed in claim 1, it is characterized in that: described fire-retardant oxygen barrier oversheath is by 100 parts of ethylene-vinyl acetate copolymers, 10～80 parts of polyolefin elastomers, 10～35 parts of blowing agents, 1～10 part of blowing promotor, 1～6 part of coupling agent, 1～6 part, antioxidant and by 6～15 parts of red phosphorus or phosphoric acid ester fire retardants, 30～80 parts of magnesium hydroxides, 20 ~ 66 parts of the mixture that Firebrake ZB is 5～20 parts or APPs, 10 ~ 36 parts of melamine pyrophosphate or Quadrafos, the mixture that pentaerythrite is 7～24 parts extrudes formation, this fire-retardant oxygen barrier oversheath does not foam when extruding moulding or little foaming.
5. fire-resistant communication cable as claimed in claim 1, is characterized in that: also be provided with flame-retardant expanded ceramic silastic-layer between described ceramic silicon rubber flame retardant coating and fire-retardant oxygen barrier oversheath.
6. fire-resistant communication cable as claimed in claim 1, it is characterized in that: described flame-retardant expanded ceramic silastic-layer extrudes moulding by 100 parts, silicon rubber, 20～100 parts of silicon dioxide, 1～20 part of silicone oil, 5～30 parts of halogen-free flame retardantss, 0.1～10 part of coupling agent, 20～120 parts of Vitrified powders, 10～35 parts of blowing agents, 1～10 part of material mixture ratio of blowing promotor, and this flame-retardant expanded ceramic silastic-layer does not foam or little foaming.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100406472A CN103123828A (en) | 2013-02-03 | 2013-02-03 | Fire-resistant communication cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100406472A CN103123828A (en) | 2013-02-03 | 2013-02-03 | Fire-resistant communication cable |
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| CN103123828A true CN103123828A (en) | 2013-05-29 |
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| CN2013100406472A Pending CN103123828A (en) | 2013-02-03 | 2013-02-03 | Fire-resistant communication cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412382A (en) * | 2013-07-29 | 2013-11-27 | 成都亨通光通信有限公司 | Fire resisting optical cable |
| CN108148414A (en) * | 2017-12-29 | 2018-06-12 | 长园电子（东莞）有限公司 | A kind of halogen-free flame-retardant firm silicone rubber cold shrink tube and preparation method thereof |
| CN115926466A (en) * | 2022-12-08 | 2023-04-07 | 深圳供电局有限公司 | Fireproof joint sheath for cable intermediate joint and preparation method |
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| DE69902705T3 (en) * | 1998-03-12 | 2008-10-30 | Nexans | FIREPROOF AND HALOGEN-FREE SAFETY CABLE |
| CN102040839A (en) * | 2009-10-16 | 2011-05-04 | 青岛汉缆股份有限公司 | Formula for ceramicized silicon rubber cable material |
| CN202275656U (en) * | 2011-10-08 | 2012-06-13 | 江苏亨通电力电缆有限公司 | Cross-linked polyethylene insulation fire-proof inflaming retarding power cable |
| CN102558659A (en) * | 2010-12-21 | 2012-07-11 | 深圳市沃尔核材股份有限公司 | Halogen-free flame retardant olefin foam body and preparation method thereof |
| CN203165566U (en) * | 2013-02-03 | 2013-08-28 | 深圳市沃尔核材股份有限公司 | Refractory communication cable |
-
2013
- 2013-02-03 CN CN2013100406472A patent/CN103123828A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69902705T3 (en) * | 1998-03-12 | 2008-10-30 | Nexans | FIREPROOF AND HALOGEN-FREE SAFETY CABLE |
| CN102040839A (en) * | 2009-10-16 | 2011-05-04 | 青岛汉缆股份有限公司 | Formula for ceramicized silicon rubber cable material |
| CN102558659A (en) * | 2010-12-21 | 2012-07-11 | 深圳市沃尔核材股份有限公司 | Halogen-free flame retardant olefin foam body and preparation method thereof |
| CN202275656U (en) * | 2011-10-08 | 2012-06-13 | 江苏亨通电力电缆有限公司 | Cross-linked polyethylene insulation fire-proof inflaming retarding power cable |
| CN203165566U (en) * | 2013-02-03 | 2013-08-28 | 深圳市沃尔核材股份有限公司 | Refractory communication cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412382A (en) * | 2013-07-29 | 2013-11-27 | 成都亨通光通信有限公司 | Fire resisting optical cable |
| CN108148414A (en) * | 2017-12-29 | 2018-06-12 | 长园电子（东莞）有限公司 | A kind of halogen-free flame-retardant firm silicone rubber cold shrink tube and preparation method thereof |
| CN115926466A (en) * | 2022-12-08 | 2023-04-07 | 深圳供电局有限公司 | Fireproof joint sheath for cable intermediate joint and preparation method |
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Application publication date: 20130529 |