CN102161805A - Polyvinyl chloride cable sheath material for CMR-grade high-flame-retardant environment-friendly coaxial cable - Google Patents
Polyvinyl chloride cable sheath material for CMR-grade high-flame-retardant environment-friendly coaxial cable Download PDFInfo
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- CN102161805A CN102161805A CN 201110141525 CN201110141525A CN102161805A CN 102161805 A CN102161805 A CN 102161805A CN 201110141525 CN201110141525 CN 201110141525 CN 201110141525 A CN201110141525 A CN 201110141525A CN 102161805 A CN102161805 A CN 102161805A
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Abstract
The invention relates to a polyvinyl chloride cable sheath material for a CMR-grade high-flame-retardant environment-friendly coaxial cable, which is mainly prepared from the following components in parts by weight: 100 parts of polyvinyl chloride, 15-20 parts of trioctyl trimellitate, 10-15 parts of triphosphate, 8-10 parts of dioctyl terephthalate, 8-10 parts of dioctyl phthalate, 4-5 parts of calcium/zinc composite stabilizer, 6-8 parts of epoxy soybean oil, 8-10 parts of antimony trioxide, 8-10 parts of zinc borate, 3-6 parts of glass fiber, 6-8 parts of aluminum hydroxide, 8-10 parts of ultrafine activated calcium carbonate and 1-2 parts of lubricant. The sheath provided by the invention has the advantages of high strength, favorable shell forming property and durability in the burning process, excellent flame retardancy and environmental protection, and especially can satisfy the design requirements for CMR-grade high-flame-retardant fine coaxial cables.
Description
(1) technical field
The present invention relates to a kind of electric wire and cable material, specifically, is a kind of CMR level high-flame-resistance environment-friendly concentric cable polyvinyl chloride cable sheathing compound.
(2) background technology
Grade occupy deputy CMR level concentric cable and has perfect fire retardancy, is widely used in during main line that ventilation system separates with wiring system physically uses.CMR level cable must pass through intensive flame test: UL1666-" vertically arranged cable propagation of flame is highly tested in leading to ".
Have at present and successfully developed RG6 series CMR level fire-retardant co-axial cable product, in patent ZL200820166233.9, introduced a kind of environment-friendly type CMR level fire-retardant co-axial cable, be the CMR level fire-retardant co-axial cable of RG6 specification, the design difficulty of this cable and crucial exploitation and the type selecting that is sheath material.In patent 201010293995.7, introduced a kind of telecommunication cable flame retardant plastics and preparation method thereof, a kind of telecommunication cable of this disclosure of the Invention flame retardant plastics and preparation method thereof, it includes following component by weight percentage: 46 parts in polyvinyl chloride powder, 24 parts in lime carbonate, 2.5 parts of calcium zinc tranquilizers, 2.0 parts of antimonous oxides, 0.5 part of polyethylene wax, 9.0 parts of diisononyl phthalate, 15.0 parts of didecyl phthalates, 1.0 parts of soybean oil.The plastics that the aforementioned formula that adopted obtains can reach the burning rank requirement of CMR level, its compare other as CMX, CM/CMG telecommunication cable prescription have that the flame retardant grade performance is higher, more environmental protection of performance, temperature grade is higher, the field of employment is wider advantage.But when this sheath material was used for the micro type concentric cable, it was fire-retardant then can not to reach the CMR level, became the general character difficult problem of industry at present.
In the structure and material of concentric cable, insulating is that inflammable substance, sheath then are the keys that obtains flame retardant effect.For the RG6 specification, insulation is about 0.98 with the volume ratio of sheath, and for the micro type concentric cable, its insulation then reaches 1.45 with the volume ratio of sheath, even more than.Increasing greatly of the volume ratio of inflammable substance and non-inflammable substance brings great difficulty for the fire-retardant design of CMR level of micro type concentric cable.
Domestic have producer to use inflammable insulation instead fire-retardant foamed insulation, can reach the fire-retardant requirement of CMR level, big but the specific inductivity of flame retardant type foamed insulation and dielectric loss become, and makes decay become big, the transmission performance variation.
Simultaneously, because the jacket thickness of micro type concentric cable is thinner, generally have only about 0.3mm, the intensity of sheath is obviously not enough, the tensile strength of RG6 specification sheath requires, for micro type the requirement of proposition 〉=17.24MPa is arranged then, and all even persistence of its shelling can not get guaranteeing that final flame retardant effect is also had very big influence when burning.
(3) summary of the invention
The invention provides a kind of CMR level high-flame-resistance environment-friendly concentric cable polyvinyl chloride cable sheathing compound, sheath intensity is big, and shelling and persistence are good during burning, fire-retardant and environmental-protecting performance excellence, and the design that is fit to CMR level high flame retardant micro type concentric cable is selected for use.
For achieving the above object, the present invention is by the following technical solutions:
A kind of CMR level high-flame-resistance environment-friendly concentric cable polyvinyl chloride cable sheathing compound, described sheath material mainly is prepared from by following substances in parts by weight:
Further, described sheath material mainly is prepared from by following substances in parts by weight:
Further, described sheath material mainly is prepared from by following substances in parts by weight:
CMR level high-flame-resistance environment-friendly concentric cable of the present invention is the same with existing common cable jacket material with the manufacturing process of polyvinyl chloride cable sheathing compound, only needs starting material are mixed, and gets final product by the twin screw extruder extruding pelletization then.
Contriver's recommendation realizes sheath material performance judgement of the present invention from following aspect:
(1) excellent flame-retardant:
Halogens itself just has good flame retardancy, and the adding of antimonous oxide and halogens chlorine and bromine etc. have better fire-retardant synergy.Antimonous oxide is the inhibitor of flame, catches free radicals such as H in the flame and HO, but the antimonous oxide steam long period rest on the combustion zone, dilution inflammable gas, and cover polymer surfaces and heat insulation reduces polymer unwinds temperature and decomposition rate.The charcoal layer of Xing Chenging can further be isolated sealing with polymkeric substance simultaneously, stops the effusion of inflammable gas.The zinc borate that adds has further synergism to the shelling of charcoal layer.
In order further to improve shelling and persistence, the present invention has adopted the phosphorated flame-retardant plasticizer, and the glass fibre of Jia Ruing also has synergism to shelling and persistence simultaneously.Integrated design and utilization by multiple fire retardant mechanism have reached the excellent fire retardant effect.Oxygen index reaches more than 34, and sheath material density is lower than 1.45g/cm
3, comprehensive cost does not increase.
(2) You Yi mechanical and physical performance:
By the introducing of glass fibre, improved the toughness and the intensity of sheath material, satisfied in the UL standard requirement with the tensile strength of this cable sheath of making to micro type concentric cable sheath, promptly 〉=17.24MPa.
(3) You Yi environmental-protecting performance:
Material selection has taken into full account the requirement of environmental protection index in the sheath material formulating of recipe:
Used softening agent all is the environment-friendly plasticizer of generally acknowledging, plasticization effect and plasticizer DOP are suitable, and can give goods good performance such as fast light, heat-resisting, ageing-resistant.
Calcium zinc stable composition system is the optimal stablizer of present environment-friendly polyvinyl chloride CABLE MATERIALS.
Epoxy soybean oil plays softening agent and auxiliary stabilizer in pvc, particularly be used with calcium-zinc composite stabilizing agent, can effectively improve thermostability.
Other system component all adopt the environmental protection auxiliary agent.
Sheath material meets the electronic apparatus ROHS of European Union instruction (2002/95/EC number instruction of European Union) requirement fully through the test of Shanghai SGS inspection center.
The invention has the beneficial effects as follows: sheath intensity is big, and shelling and persistence are good during burning, and fire-retardant and environmental-protecting performance excellence especially can satisfy the design of CMR level high flame retardant micro type concentric cable simultaneously and select for use.
(4) embodiment
The invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited to this.
Embodiment one: described sheath material mainly is prepared from by following substances in parts by weight:
Embodiment two: further, described sheath material mainly is prepared from by following substances in parts by weight:
Above-mentioned sheath material production process by batching, mixing, extrude three big technologies and form.Batching is exactly that above-mentioned starting material are quantitatively carried out proportioning according to prescription; The mixing various starting material high-speed mixing that will prepare exactly; Extrude the plasticizing of heating of exactly that high-speed mixing is good raw material, form the plastic cement particulate product.Its production process is that earlier batching speed is mixed, again with the batch mixing plasticizing and extrude pelletizing, after cooling detects qualified back packing dispatches from the factory.
Be the effect comparison sheet of the sheath material of the used flame-retardant sheath material of RG6 cable specification and two embodiment of the present invention below.
From finding out, the intensity of high flame retardant sheath material of the present invention is greatly enhanced, and can both stably pass through CMR level combustion test simultaneously, and by post-test-inspection, shelling and persistence during burning are better.
Claims (3)
1. CMR level high-flame-resistance environment-friendly concentric cable polyvinyl chloride cable sheathing compound, it is characterized in that: described sheath material mainly is prepared from by following substances in parts by weight:
2. CMR level high-flame-resistance environment-friendly concentric cable polyvinyl chloride cable sheathing compound as claimed in claim 1, it is characterized in that: described sheath material mainly is prepared from by following substances in parts by weight:
3. CMR level high-flame-resistance environment-friendly concentric cable polyvinyl chloride cable sheathing compound as claimed in claim 1, it is characterized in that: described sheath material mainly is prepared from by following substances in parts by weight:
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110141525 CN102161805A (en) | 2011-05-28 | 2011-05-28 | Polyvinyl chloride cable sheath material for CMR-grade high-flame-retardant environment-friendly coaxial cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110141525 CN102161805A (en) | 2011-05-28 | 2011-05-28 | Polyvinyl chloride cable sheath material for CMR-grade high-flame-retardant environment-friendly coaxial cable |
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| CN102161805A true CN102161805A (en) | 2011-08-24 |
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| CN 201110141525 Pending CN102161805A (en) | 2011-05-28 | 2011-05-28 | Polyvinyl chloride cable sheath material for CMR-grade high-flame-retardant environment-friendly coaxial cable |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382401A (en) * | 2011-10-25 | 2012-03-21 | 宁波一舟塑胶有限公司 | CMR-grade high-flame-retardant polyvinyl chloride cable sheath material and preparation method thereof |
| CN103090123A (en) * | 2013-01-23 | 2013-05-08 | 浙江飞龙管业有限公司 | High impact polyvinyl chloride (PVC) pipe capable of noise reduction and static elimination |
| CN103205066A (en) * | 2012-01-14 | 2013-07-17 | 广州市雄星塑料制品有限公司 | High temperature resistant and difficult shrinking electrical membrane |
| CN103408871A (en) * | 2013-08-29 | 2013-11-27 | 浙江万马集团特种电子电缆有限公司 | Polyvinyl chloride cable sheath material for CMR-class high-flame-retardance environment-friendly type coaxial cable |
| CN103724871A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally friendly inflaming retarding type PVC cable material and preparation method thereof |
| CN104017301A (en) * | 2014-06-01 | 2014-09-03 | 上海韬鸿化工科技有限公司 | Environmental-friendly ultraviolet-resistant sheath material and cable |
| CN104327406A (en) * | 2012-12-13 | 2015-02-04 | 苏州亨利通信材料有限公司 | Abrasion-resistant polyvinyl chloride insulating material for cable |
| CN104327407A (en) * | 2012-12-13 | 2015-02-04 | 苏州亨利通信材料有限公司 | Manufacturing process of sheath insulating material for heat-resistant cables |
| CN104530583A (en) * | 2012-12-13 | 2015-04-22 | 苏州亨利通信材料有限公司 | Wire and cable polyvinyl chloride material for automotive wires |
| CN104558938A (en) * | 2013-10-23 | 2015-04-29 | 宁夏金黄河塑业有限责任公司 | High-modification wear-resistant PVC (Polyvinyl Chloride) cable sheath |
| CN104558932A (en) * | 2013-10-23 | 2015-04-29 | 宁夏金黄河塑业有限责任公司 | Glass-fiber heat-resistant impact-resistant PVC (Polyvinyl Chloride) cable sheath |
| CN105504606A (en) * | 2016-02-23 | 2016-04-20 | 桐乡市搏腾贸易有限公司 | Mechanical tension wheel bearing seal ring and preparation process thereof |
| CN105504594A (en) * | 2016-01-18 | 2016-04-20 | 重庆春光高分子材料有限公司 | Polyvinyl chloride plastic and preparation method thereof |
| CN105802058A (en) * | 2012-12-13 | 2016-07-27 | 苏州亨利通信材料有限公司 | Special wear-resistant cable insulating layer for automotive wires |
| CN107129644A (en) * | 2017-06-03 | 2017-09-05 | 合肥市闵葵电力工程有限公司 | A kind of wire cable material of novel fire resistant and preparation method thereof |
| CN107418088A (en) * | 2017-06-07 | 2017-12-01 | 太仓市龙华塑胶有限公司 | A kind of environmental protection flame retardant plastics |
| CN109467849A (en) * | 2018-11-07 | 2019-03-15 | 江苏珠影特种电缆有限公司 | A kind of material and preparation method thereof manufacturing fireproof cable PVC sheath |
| CN110483857A (en) * | 2019-08-30 | 2019-11-22 | 安徽电缆股份有限公司 | Wear-resisting ageing-resistant power cable sheath material of one kind and preparation method thereof |
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| GB2302543A (en) * | 1995-06-24 | 1997-01-22 | Fmc Corp | Plasticised PVC compositions |
| CN101633765A (en) * | 2009-05-22 | 2010-01-27 | 上海凯波特种电缆料厂有限公司 | Insulating grade PVC sheath material for ultrahigh pressure cables and preparation method thereof |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382401A (en) * | 2011-10-25 | 2012-03-21 | 宁波一舟塑胶有限公司 | CMR-grade high-flame-retardant polyvinyl chloride cable sheath material and preparation method thereof |
| CN103205066A (en) * | 2012-01-14 | 2013-07-17 | 广州市雄星塑料制品有限公司 | High temperature resistant and difficult shrinking electrical membrane |
| CN105802058A (en) * | 2012-12-13 | 2016-07-27 | 苏州亨利通信材料有限公司 | Special wear-resistant cable insulating layer for automotive wires |
| CN105802056A (en) * | 2012-12-13 | 2016-07-27 | 苏州亨利通信材料有限公司 | Low-odor cable sheath sizing material for electric wires |
| CN105802057A (en) * | 2012-12-13 | 2016-07-27 | 苏州亨利通信材料有限公司 | Heat-resistant (resistant to 105 DEG C) polyvinyl chloride insulating layer |
| CN104327406A (en) * | 2012-12-13 | 2015-02-04 | 苏州亨利通信材料有限公司 | Abrasion-resistant polyvinyl chloride insulating material for cable |
| CN104327407A (en) * | 2012-12-13 | 2015-02-04 | 苏州亨利通信材料有限公司 | Manufacturing process of sheath insulating material for heat-resistant cables |
| CN104530583A (en) * | 2012-12-13 | 2015-04-22 | 苏州亨利通信材料有限公司 | Wire and cable polyvinyl chloride material for automotive wires |
| CN105802055A (en) * | 2012-12-13 | 2016-07-27 | 苏州亨利通信材料有限公司 | Flame-retardant cable material for automotive wires |
| CN103090123A (en) * | 2013-01-23 | 2013-05-08 | 浙江飞龙管业有限公司 | High impact polyvinyl chloride (PVC) pipe capable of noise reduction and static elimination |
| CN103408871A (en) * | 2013-08-29 | 2013-11-27 | 浙江万马集团特种电子电缆有限公司 | Polyvinyl chloride cable sheath material for CMR-class high-flame-retardance environment-friendly type coaxial cable |
| CN104558932A (en) * | 2013-10-23 | 2015-04-29 | 宁夏金黄河塑业有限责任公司 | Glass-fiber heat-resistant impact-resistant PVC (Polyvinyl Chloride) cable sheath |
| CN104558938A (en) * | 2013-10-23 | 2015-04-29 | 宁夏金黄河塑业有限责任公司 | High-modification wear-resistant PVC (Polyvinyl Chloride) cable sheath |
| CN103724871A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally friendly inflaming retarding type PVC cable material and preparation method thereof |
| CN104017301A (en) * | 2014-06-01 | 2014-09-03 | 上海韬鸿化工科技有限公司 | Environmental-friendly ultraviolet-resistant sheath material and cable |
| CN105504594A (en) * | 2016-01-18 | 2016-04-20 | 重庆春光高分子材料有限公司 | Polyvinyl chloride plastic and preparation method thereof |
| CN105504606A (en) * | 2016-02-23 | 2016-04-20 | 桐乡市搏腾贸易有限公司 | Mechanical tension wheel bearing seal ring and preparation process thereof |
| CN107129644A (en) * | 2017-06-03 | 2017-09-05 | 合肥市闵葵电力工程有限公司 | A kind of wire cable material of novel fire resistant and preparation method thereof |
| CN107418088A (en) * | 2017-06-07 | 2017-12-01 | 太仓市龙华塑胶有限公司 | A kind of environmental protection flame retardant plastics |
| CN109467849A (en) * | 2018-11-07 | 2019-03-15 | 江苏珠影特种电缆有限公司 | A kind of material and preparation method thereof manufacturing fireproof cable PVC sheath |
| CN110483857A (en) * | 2019-08-30 | 2019-11-22 | 安徽电缆股份有限公司 | Wear-resisting ageing-resistant power cable sheath material of one kind and preparation method thereof |
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Application publication date: 20110824 |