CN109929200A - A kind of highly effective flame-retardant low smoke cables material - Google Patents
A kind of highly effective flame-retardant low smoke cables material Download PDFInfo
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- CN109929200A CN109929200A CN201910268524.1A CN201910268524A CN109929200A CN 109929200 A CN109929200 A CN 109929200A CN 201910268524 A CN201910268524 A CN 201910268524A CN 109929200 A CN109929200 A CN 109929200A
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Abstract
The present invention relates to a kind of highly effective flame-retardant low smoke cables material, it is characterized in that, in parts by weight, formula composition are as follows: 3-6 parts of ultraviolet absorbing agent, 1-5 parts of antioxidant, 6-12 parts of refractory fibre, 10-20 parts of fluorubber material, 40-60 parts of highly effective flame-retardant polyvinyl acetate material, 20-40 parts of high-density polyethylene resin material.The present invention is using highly effective flame-retardant polyvinyl acetate material as Primary resins, and instead of ingredients such as polyvinyl chloride in conventional resins material, the material is monomer modified using phosphorous flame-retardant, fire-retardant, low cigarette, without secondary pollution；It is enhancing fire-retardant filler with refractory fibre, acts synergistically with highly effective flame-retardant polyvinyl acetate material, the present invention has highly effective flame-retardant；Using fluorubber toughening, instead of traditional toughener dioctyl phthalate, chlorinated rubber, silicon rubber etc., toughening effect is more preferable, water resistance is excellent.
Description
Technical field
The invention belongs to CABLE MATERIALS technical fields, are related to a kind of highly effective flame-retardant low smoke cables material.
Background technique
With the fast development of the industries such as China's metallurgy, electric power, electronics, automation and informatization and network, so that matching therewith
The dosage of the wire and cable of set especially flame-retardant electric wire and cable sharply increases, including power cable, control cable, signal cable,
Instrument and meter cable, computer cable etc..Traditional flame retardant cable generally uses polyvinyl chloride as sheath, although polyvinyl chloride
Material has the characteristics that good flame resistance, inexpensive, technique is good, but since it contains halogen, and when burning can release a large amount of halogenation hydrogen
Body and dense smoke, cause " secondary hazards " of fire, to increase the loss of fire.Especially many scientific researches it has proven convenient that
Halide is more and more serious to damage caused by human health and environment, people's increasingly attaching importance to environmental protection, European Union and Japan
Some major company's example Sony, Toshiba etc., which are proposed, limits the regulations used to polyvinyl chloride；At home, Beijing powers
Office's in March, 1998 dispatch provides against PVC class wire and cable and uses in the office system, East China Municipal Architecture Design and Research Institute in 2002
" the civil buildings wire and cable fire protection design regulation " released clearly proposes the requirement using low smoke no-halogen wire cable.More than
These, so that the fireproofing cable material without halide being halogen-free is widely used and shows very big development potentiality, it is special
It is not big in the occasions such as subway, ships, skyscraper and cable used for oil platform, Household Appliance line, low tension cables for automobiles
There is the gesture for replacing polyvinyl chloride completely.
Chinese patent 201711176192.1 discloses a kind of industrial fire-resistant cable material, according to parts by weight by following raw material group
At: 40-65 parts of Corvic, 10-30 parts of environment-friendly plasticizer, 10-15 parts of high density polyethylene, epoxy acrylate
10-12 parts, 15-18 parts of liquid acid anhydrides, 12-15 parts of mica powder, 16-20 parts of blanc fixe, 0.1-2 parts of lubricant and antioxidant
0.5-2 parts.Rationally, CABLE MATERIALS obtained has good weatherability, tool to a kind of industrial fire-resistant cable material constitutive material formula of the invention
There is fireproof function, is provided safeguard for the security of the lives and property of people.There are secondary pollution hidden danger, ageing-resistant performances to wait for for the invention
It is perfect.
Summary of the invention
It is in order to overcome the shortcomings of the prior art and insufficient, the present invention is intended to provide a kind of highly effective flame-retardant low smoke cables material.
Technical solution provided by the invention is as follows: a kind of highly effective flame-retardant low smoke cables material, which is characterized in that according to parts by weight
Number meter, formula composition are as follows: 3-6 parts of ultraviolet absorbing agent, 1-5 parts of antioxidant, 6-12 parts of refractory fibre, fluorubber material 10-20
Part, 40-60 parts of highly effective flame-retardant polyvinyl acetate material, 20-40 parts of high-density polyethylene resin material.
The ultraviolet absorbing agent is 2-hydroxy-4-n-octoxybenzophenone, 2- (2 '-hydroxyls -3 ', 5 '-two tertiary fourths
Base phenyl) -5- chlorinated benzotriazole, at least one of double 2,2,6,6- tetramethyl piperidine alcohol esters of decanedioic acid.
The antioxidant is phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, β-(3,5- di-t-butyl -4- hydroxy benzenes
Base) 18 carbonic ether of propionic acid, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, 2,6- di-t-butyl-
At least one of bis- (3,5- di-t-butyl -4- hydroxy-pheny propionic acid) hydrazines of 4- methylphenol, 1,2-.
The refractory fibre is at least one of zirconia polycrystalline fiber, alumina silicate fibre.
The fluorubber material is in nitroso-fluoro-elastomers, tetrapropanate fluorine rubber, phosphonitrilic fluoro rubber and perfluoroelastomers
It is at least one.
The high-density polyethylene resin material is commercially available HDPE.
According to parts by weight, the highly effective flame-retardant polyvinyl acetate material is prepared by following methods:
(1) stirring, the reaction of heating device, calcium hydroxide device for absorbing tail gas the preparation of phosphorous flame-retardant monomer: are being housed
In kettle, 15-20 parts of phosphorus oxychloride, 7-9 parts of neopentyl glycols are sequentially added, stirring and dissolving is simultaneously heated to 85-100 DEG C, insulation reaction
12-24h is then cooled to room temperature, rear dry with ethanol washing 3-5 times, obtains neopentyl glycol phosplate phosphoryl chloride phosphorus oxychloride；It is stirred being equipped with
It mixes, in the reactor of heating device, calcium hydroxide device for absorbing tail gas, 10 parts of neopentyl glycol phosplate phosphoryl chloride phosphorus oxychlorides, 4-6 is added
Part modified monomer, 30-40 part acetonitriles are heated to 60-80 DEG C, insulation reaction 2-4h after stirring and dissolving, then vacuum distillation removing
Solvent, ethanol washing 3-5 times obtain phosphorous flame-retardant monomer；
(2) preparation of highly effective flame-retardant polyvinyl acetate material: by phosphorous flame-retardant monomer, 15-20 parts of acetic acid in 5-10 parts (1)
Vinyl acetate, 20-25 part ethyl alcohol, 0.05-0.2 parts of initiators are added in stirred tank and are uniformly mixed, and obtain dropping liquid；To equipped with stirring
Device, heating device lead to 50-60 parts of water of addition in the reaction kettle of nitrogen device, 2-3 parts of polyvinylpyrrolidone stirrings
It is even, it is then heated to 80-95 DEG C and keeps mixing speed 700-1000r/min in reaction kettle, dropping liquid is slowly added dropwise thereto,
1-2h is added dropwise, and then proceedes to insulation reaction 3-5h, is reduced to room temperature, filtering, ethanol washing, dry highly effective flame-retardant poly-vinegar
Vinyl acetate.
The modified monomer is 4-Vinyl phenol, hydroxyethyl methacrylate, hydroxy propyl methacrylate, acrylic acid
At least one of hydroxyl ethyl ester, hydroxypropyl acrylate, 3- urethanes, 3- aminobutene acid methyl esters.
The initiator is azo initiator, preferably azodiisobutyronitrile, azobisisoheptonitrile, azo isobutyl cyano
At least one of formamide.
The highly effective flame-retardant low smoke cables material the preparation method comprises the following steps:
According to parts by weight, each component raw material is added in mixing machine by formula composition first and is sufficiently mixed uniformly, so
After be added into mixer mixing molding, obtain molding mass；Then mixing material is squeezed out via twin-screw extruder；Most afterwards through making
Grain machine is granulated to obtain the highly effective flame-retardant low smoke cables material；Wherein, the extrusion temperature of twin-screw: 115-125 DEG C of conveying section, melting
130-140 DEG C, 145-155 DEG C of mixing section, 155-165 DEG C of exhaust section, 155-165 DEG C of homogenizing zone, 170-175 DEG C of head of section；It is single
Extruder temperature are as follows: the firstth area, the secondth area, third area are 130-140 DEG C, and 150-155 DEG C of head.
Compared with the existing technology, the present invention has the following advantages that or beneficial outcomes: with highly effective flame-retardant polyvinyl acetate material
For Primary resins, instead of the polyvinyl chloride etc. in conventional resins material, the material is monomer modified using phosphorous flame-retardant, fire-retardant, low cigarette, nothing
Secondary pollution；It is enhancing fire-retardant filler with refractory fibre, acts synergistically with highly effective flame-retardant polyvinyl acetate material, the present invention has
Highly effective flame-retardant；Using fluorubber toughening, instead of traditional toughener dioctyl phthalate, chlorinated rubber, silicon rubber etc.,
Toughening effect is more preferable, water resistance is excellent.
Specific embodiment
A kind of highly effective flame-retardant low smoke cables material of the invention is further described below with reference to embodiment.It is understood that
, specific embodiment described herein is used only for explaining related invention, rather than the restriction to the invention.
Present invention raw material as used in the following examples is that business is purchased in addition to highly effective flame-retardant polyvinyl acetate material
It buys.
Embodiment 1
A kind of highly effective flame-retardant polyvinyl acetate material A is prepared by following methods according to parts by weight:
(1) stirring, the reaction of heating device, calcium hydroxide device for absorbing tail gas the preparation of phosphorous flame-retardant monomer: are being housed
In kettle, 15 parts of phosphorus oxychloride, 7 parts of neopentyl glycols are sequentially added, stirring and dissolving is simultaneously heated to 100 DEG C, insulation reaction 12h, then
It is cooled to room temperature, with dry after ethanol washing 3 times, obtains neopentyl glycol phosplate phosphoryl chloride phosphorus oxychloride；Equipped with stirring, heating device,
In the reactor of calcium hydroxide device for absorbing tail gas, 10 parts of neopentyl glycol phosplate phosphoryl chloride phosphorus oxychlorides, 4 parts of 3- aminobutene acid are added
Methyl esters, 30 parts of acetonitriles are heated to 80 DEG C, insulation reaction 2h after stirring and dissolving, and then vacuum distillation removes solvent, ethanol washing 3
It is secondary, obtain phosphorous flame-retardant monomer；
(2) by phosphorous flame-retardant monomer, 15 parts of vinylacetates, 20 parts of ethyl alcohol, 0.05 part of azobisisoheptonitrile in 5 parts (1)
It is added in stirred tank and is uniformly mixed, obtain dropping liquid；To equipped with agitating device, heating device, logical nitrogen device reaction kettle in
50 parts of water are added, 2 parts of polyvinylpyrrolidone stir evenly, be then heated to 80 DEG C and keep mixing speed in reaction kettle
Dropping liquid is slowly added dropwise in 1000r/min thereto, and 1h is added dropwise, and then proceedes to insulation reaction 5h, is reduced to room temperature, filtering,
Ethanol washing, dry highly effective flame-retardant polyvinyl acetate A.
Embodiment 2
A kind of highly effective flame-retardant polyvinyl acetate material B is prepared by following methods according to parts by weight:
(1) stirring, the reaction of heating device, calcium hydroxide device for absorbing tail gas the preparation of phosphorous flame-retardant monomer: are being housed
In kettle, 20 parts of phosphorus oxychloride, 9 parts of neopentyl glycols are sequentially added, stirring and dissolving is simultaneously heated to 85 DEG C, and insulation reaction is for 24 hours, then cold
But to room temperature, with dry after ethanol washing 5 times, neopentyl glycol phosplate phosphoryl chloride phosphorus oxychloride is obtained；Stirring, heating device, hydrogen are being housed
In the reactor of calcium oxide device for absorbing tail gas, be added 10 parts of neopentyl glycol phosplate phosphoryl chloride phosphorus oxychlorides, 6 parts of hydroxy-ethyl acrylates,
40 parts of acetonitriles are heated to 60 DEG C, insulation reaction 4h after stirring and dissolving, and then vacuum distillation removes solvent, ethanol washing 5 times, obtain
Phosphorous flame-retardant monomer；
(2) phosphorous flame-retardant monomer, 18 parts of vinylacetates, 22 parts of ethyl alcohol, 0.1 part of azodiisobutyronitrile in 9 parts (1) are added
Enter into stirred tank and be uniformly mixed, obtains dropping liquid；Add into the reaction kettle that agitating device, heating device, logical nitrogen device are housed
Enter 52 parts of water, 2.5 parts of polyvinylpyrrolidone stir evenly, be then heated to 90 DEG C and keep mixing speed in reaction kettle
Dropping liquid is slowly added dropwise in 800r/min thereto, and 1.5h is added dropwise, and then proceedes to insulation reaction 4h, is reduced to room temperature, mistake
Filter, ethanol washing, dry highly effective flame-retardant polyvinyl acetate B.
Embodiment 3
A kind of highly effective flame-retardant polyvinyl acetate material C is prepared by following methods according to parts by weight:
(1) stirring, the reaction of heating device, calcium hydroxide device for absorbing tail gas the preparation of phosphorous flame-retardant monomer: are being housed
In kettle, 16 parts of phosphorus oxychloride, 8 parts of neopentyl glycols are sequentially added, stirring and dissolving is simultaneously heated to 90 DEG C, insulation reaction 18h, then cold
But to room temperature, with dry after ethanol washing 4 times, neopentyl glycol phosplate phosphoryl chloride phosphorus oxychloride is obtained；Stirring, heating device, hydrogen are being housed
In the reactor of calcium oxide device for absorbing tail gas, be added 10 parts of neopentyl glycol phosplate phosphoryl chloride phosphorus oxychlorides, 5 parts of 4-Vinyl phenols,
38 parts of acetonitriles are heated to 75 DEG C, insulation reaction 3h after stirring and dissolving, and then vacuum distillation removes solvent, ethanol washing 4 times, obtain
Phosphorous flame-retardant monomer；
(2) by phosphorous flame-retardant monomer, 20 parts of vinylacetates, 25 parts of ethyl alcohol, 0.2 part of azo isobutyl cyano in 10 parts (1)
Formamide is added in stirred tank and is uniformly mixed, and obtains dropping liquid；To equipped with agitating device, heating device, logical nitrogen device it is anti-
It answers 60 parts of water of addition, 3 parts of polyvinylpyrrolidone in kettle to stir evenly, be then heated to 95 DEG C and keep stirring in reaction kettle
Dropping liquid is slowly added dropwise in speed 700r/min thereto, and 2h is added dropwise, and then proceedes to insulation reaction 3h, is reduced to room temperature, mistake
Filter, ethanol washing, dry highly effective flame-retardant polyvinyl acetate C.
Embodiment 4
A kind of highly effective flame-retardant low smoke cables material, which is characterized in that in parts by weight, formula composition are as follows: 2- (2 '-
Hydroxyl -3 ', 5 '-di-tert-butyl-phenyls) 3 parts of -5- chlorinated benzotriazole, 5 parts of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, oxygen
Change 12 parts of zirconium polycrystalline fibre, 10 parts of phosphonitrilic fluoro rubber, A60 parts of highly effective flame-retardant polyvinyl acetate material, high-density polyethylene resin
20 parts of material.
Highly effective flame-retardant low smoke cables material as described in example 4 the preparation method comprises the following steps:
Each component raw material is added in mixing machine by formula composition first and is sufficiently mixed uniformly, is then added to mixer
Middle mixing molding, obtains molding mass；Then mixing material is squeezed out via twin-screw extruder；Most it is granulated described through pelletizer afterwards
Highly effective flame-retardant low smoke cables material；Wherein, the extrusion temperature of twin-screw: 115 DEG C of conveying section, 140 DEG C of melt zone, mixing section 145
DEG C, 155 DEG C of exhaust section, 155 DEG C of homogenizing zone, 175 DEG C of head；Single screw rod temperature are as follows: the firstth area, the secondth area, third area are 140
DEG C, 150 DEG C of head.
Embodiment 5
A kind of highly effective flame-retardant low smoke cables material, which is characterized in that in parts by weight, formula composition are as follows: 2- hydroxyl-
6 parts of 4- oxy-octyl benzophenone, 1 part of 2,6 di tert butyl 4 methyl phenol, 6 parts of alumina silicate fibre, nitroso-fluoro-elastomers 20
Part, 40 parts, 40 parts of high-density polyethylene resin material of highly effective flame-retardant polyvinyl acetate material B.
Highly effective flame-retardant low smoke cables material described in embodiment 5 the preparation method comprises the following steps:
Each component raw material is added in mixing machine by formula composition first and is sufficiently mixed uniformly, is then added to mixer
Middle mixing molding, obtains molding mass；Then mixing material is squeezed out via twin-screw extruder；Most it is granulated described through pelletizer afterwards
Highly effective flame-retardant low smoke cables material；Wherein, the extrusion temperature of twin-screw: 125 DEG C of conveying section, 130 DEG C of melt zone, mixing section 155
DEG C, 165 DEG C of exhaust section, 165 DEG C of homogenizing zone, 170 DEG C of head；Single screw rod temperature are as follows: the firstth area, the secondth area, third area are 130
DEG C, 155 DEG C of head.
Embodiment 6
A kind of highly effective flame-retardant low smoke cables material, which is characterized in that in parts by weight, formula composition are as follows: decanedioic acid
Double 5 parts of 2,2,6,6- tetramethyl piperidine alcohol esters, 1,2- bis- (3,5- di-t-butyl -4- hydroxy-pheny propionic acid) 4 parts of hydrazines, zirconium oxide
9 parts of polycrystalline fibre, 15 parts of perfluoroelastomers, 47 parts of highly effective flame-retardant polyvinyl acetate material C, high-density polyethylene resin material 30
Part.
Highly effective flame-retardant low smoke cables material described in embodiment 6 the preparation method comprises the following steps:
Each component raw material is added in mixing machine by formula composition first and is sufficiently mixed uniformly, is then added to mixer
Middle mixing molding, obtains molding mass；Then mixing material is squeezed out via twin-screw extruder；Most it is granulated described through pelletizer afterwards
Highly effective flame-retardant low smoke cables material；Wherein, the extrusion temperature of twin-screw: 118 DEG C of conveying section, 135 DEG C of melt zone, mixing section 150
DEG C, 160 DEG C of exhaust section, 162 DEG C of homogenizing zone, 172 DEG C of head；Single screw rod temperature are as follows: the firstth area, the secondth area, third area are 135
DEG C, 152 DEG C of head.
Using commercially available fire-resistant cable material as comparative example, by comparative example, embodiment 4-6 according to GB406-80, GB/T8627-
2007, GB/T528, the oxygen index (OI) of test cable material, smoke density, elongation strengths and elongation at break, it is water-fast that water-boiling method tests its
Performance, as a result such as table 1.
Table 1
As can be seen from the above table, compared with commercially available fire-resistant cable material, there is the present invention significant low smoke density (to help to escape
It is raw), and anti-flammability of the present invention more preferably, elongation strengths, toughness (elongation at break), water resistance it is more preferable.
Although the present invention has been explained in detail and has referred to embodiment, for those of ordinary skill in the art, show
Various schemes, modification and the change that can so make as specified above, should be construed as being included within the scope of the claims.
Claims (10)
1. a kind of highly effective flame-retardant low smoke cables material, which is characterized in that in parts by weight, formula composition are as follows: ultraviolet light is inhaled
Receive agent 3-6 parts, 1-5 parts of antioxidant, 6-12 parts of refractory fibre, 10-20 parts of fluorubber material, highly effective flame-retardant polyvinyl acetate material
40-60 parts, 20-40 parts of high-density polyethylene resin material.
2. highly effective flame-retardant low smoke cables material according to claim 1, which is characterized in that the ultraviolet absorbing agent is 2-
Hydroxyl -4- oxy-octyl benzophenone, 2- (2 '-hydroxyls -3 ', 5 '-di-tert-butyl-phenyls) -5- chlorinated benzotriazole, decanedioic acid
At least one of double 2,2,6,6- tetramethyl piperidine alcohol esters.
3. highly effective flame-retardant low smoke cables material according to claim 1, which is characterized in that the antioxidant is phosphorous acid three
(2,4- di-tert-butyl-phenyl) ester, 18 carbonic ether of β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid, four [β-(bis- uncles of 3,5-
Butyl -4- hydroxy phenyl) propionic acid] pentaerythritol ester, 2,6 di tert butyl 4 methyl phenol, bis- (the 3,5- di-t-butyls-of 1,2-
At least one of 4- hydroxy-pheny propionic acid) hydrazine.
4. highly effective flame-retardant low smoke cables material according to claim 1, which is characterized in that the refractory fibre is zirconium oxide
At least one of polycrystalline fibre, alumina silicate fibre.
5. highly effective flame-retardant low smoke cables material according to claim 1, which is characterized in that the fluorubber material is nitroso
At least one of fluorubber, tetrapropanate fluorine rubber, phosphonitrilic fluoro rubber and perfluoroelastomers；The city high-density polyethylene resin Liao Wei
Sell HDPE.
6. highly effective flame-retardant low smoke cables material according to claim 1, which is characterized in that according to parts by weight, the height
Fire-retardant polyvinyl acetate material is imitated to be prepared by following methods:
(1) preparation of phosphorous flame-retardant monomer: equipped with stirring, heating device, calcium hydroxide device for absorbing tail gas reaction kettle in,
15-20 parts of phosphorus oxychloride, 7-9 parts of neopentyl glycols are sequentially added, stirring and dissolving is simultaneously heated to 85-100 DEG C, insulation reaction 12-
For 24 hours, it then cools to room temperature, it is rear dry with ethanol washing 3-5 times, obtain neopentyl glycol phosplate phosphoryl chloride phosphorus oxychloride；Equipped with stirring,
Heating device, calcium hydroxide device for absorbing tail gas reactor in, 10 parts of neopentyl glycol phosplate phosphoryl chloride phosphorus oxychlorides, 4-6 parts are added
Modified monomer, 30-40 part acetonitrile are heated to 60-80 DEG C, insulation reaction 2-4h after stirring and dissolving, and then vacuum distillation removes molten
Agent, ethanol washing 3-5 times obtain phosphorous flame-retardant monomer；
(2) preparation of highly effective flame-retardant polyvinyl acetate material: by phosphorous flame-retardant monomer, 15-20 parts of vinyl acetates in 5-10 parts (1)
Ester, 20-25 part ethyl alcohol, 0.05-0.2 parts of initiators are added in stirred tank and are uniformly mixed, and obtain dropping liquid；To equipped with stirring dress
Set, 50-60 parts of water be added in the reaction kettle of heating device, logical nitrogen device, 2-3 parts of polyvinylpyrrolidone stir evenly,
It is then heated to 80-95 DEG C and keeps mixing speed 700-1000r/min in reaction kettle, dropping liquid, 1- are slowly added dropwise thereto
2h is added dropwise, and then proceedes to insulation reaction 3-5h, is reduced to room temperature, filtering, ethanol washing, dry that highly effective flame-retardant poly-vinegar is sour
Vinyl acetate.
7. highly effective flame-retardant low smoke cables material according to claim 6, which is characterized in that the modified monomer is to hydroxyl
Styrene, hydroxyethyl methacrylate, hydroxy propyl methacrylate, hydroxy-ethyl acrylate, hydroxypropyl acrylate, 3- amino propylene
At least one of sour methyl esters, 3- aminobutene acid methyl esters.
8. highly effective flame-retardant low smoke cables material according to claim 6, which is characterized in that the initiator is that azo two is different
At least one of butyronitrile, azobisisoheptonitrile, azo isobutyl cyano formamide.
9. highly effective flame-retardant low smoke cables material according to claim 1-6, which is characterized in that the highly effective flame-retardant
Low smoke cables material the preparation method comprises the following steps:
According to parts by weight, each component raw material is added in mixing machine by formula composition first and is sufficiently mixed uniformly, then plus
Enter into mixer mixing molding, obtains molding mass；Then mixing material is squeezed out via twin-screw extruder；Most afterwards through pelletizer
It is granulated to obtain the highly effective flame-retardant low smoke cables material.
10. highly effective flame-retardant low smoke cables material according to claim 9, which is characterized in that the twin-screw extruder
Extrusion condition are as follows:
The extrusion temperature of twin-screw: 115-125 DEG C of conveying section, 130-140 DEG C of melt zone, 145-155 DEG C of mixing section, exhaust section
155-165 DEG C, 155-165 DEG C of homogenizing zone, 170-175 DEG C of head；Single screw rod temperature are as follows: the firstth area, the secondth area, third area are
130-140 DEG C, 150-155 DEG C of head.
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| CN201910268524.1A CN109929200A (en) | 2019-04-04 | 2019-04-04 | A kind of highly effective flame-retardant low smoke cables material |
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| CN105860372A (en) * | 2016-04-29 | 2016-08-17 | 安徽华宇电缆集团有限公司 | High-strength, low-temperature-resistant and anti-ageing cable for ship |
| CN106188766A (en) * | 2016-08-02 | 2016-12-07 | 合肥文武信息技术有限公司 | A kind of corrosion resistant communications cable material |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105860372A (en) * | 2016-04-29 | 2016-08-17 | 安徽华宇电缆集团有限公司 | High-strength, low-temperature-resistant and anti-ageing cable for ship |
| CN106188766A (en) * | 2016-08-02 | 2016-12-07 | 合肥文武信息技术有限公司 | A kind of corrosion resistant communications cable material |
| CN106280137A (en) * | 2016-08-31 | 2017-01-04 | 江苏领瑞新材料科技有限公司 | A kind of cracking resistance heatproof composite cable material and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 王立春: "新型含磷阻燃剂的合成及无卤阻燃交联EVA复合材料的制备与性能研究", 《中国博士学位论文全文库（电子期刊）》 * |
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Application publication date: 20190625 |
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