CN108017827A - Fire-retardant communication cable coating resin of high-performance environment-friendly and preparation method thereof - Google Patents
Fire-retardant communication cable coating resin of high-performance environment-friendly and preparation method thereof Download PDFInfo
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- CN108017827A CN108017827A CN201711451892.7A CN201711451892A CN108017827A CN 108017827 A CN108017827 A CN 108017827A CN 201711451892 A CN201711451892 A CN 201711451892A CN 108017827 A CN108017827 A CN 108017827A
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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Abstract
The present invention discloses fire-retardant communication cable coating resin of a kind of high-performance environment-friendly and preparation method thereof, is made of high density polyethylene (HDPE), epoxy modified polyurethane, ethylene acrylic magnesium from aggressiveness, reactive-type flame retardant, antioxidant, lubricant, UV resistant agent.The fire-retardant communication cable coating resin of high-performance environment-friendly of the present invention adds epoxy modified polyurethane and is used cooperatively with ethylene acrylic magnesium from aggressiveness, have good filler pardon and cross linkable, improve tensile strength and elongation using polyethylene as major ingredient；Introduce reactive-type flame retardant to be modified by dimethyldichlorosilane, uniformly and stably disperse the flame retardant effect in the reaction system, significantly improving the present invention.The present invention is free of harmful heavy metal and halogenated hydrocarbons, with excellent flame retardant effect, with the electrical property that dielectric loss is low, dielectric strength is big, it is also equipped with good processing performance and heat resistance, intensity is high, and heat resistant, disclosure satisfy that specific use environment, preparation method is easy to operate, and safety coefficient is high.
Description
Technical field
The present invention relates to technical field of communication cables, the fire-retardant communication cable coating resin of more particularly to a kind of high-performance environment-friendly and
Its preparation method.
Background technology
With the rapid development of China's communications industry, as the artery and blood vessel of signal conveying, the demand of communication cable
It is growing day by day.In the communication cable of various insulating forms, crosslinked polyetylene insulated communication cable is one and shows up prominently, vigorously
The new army of development.And with reinforcement of the people to environmental consciousness and the appearance of environmental regulation, there is Halogen, the high score of low cigarette characteristic
Sub- material Non-halogen Flame Retardant Technology, which will progressively substitute, halogen flame-retarded technology.For a long time, polyvinyl chloride (PVC) in electric wire and cable material
Dosage account for nearly 80%.Due to containing the harmful heavy metals such as lead, tin, barium in PVC cable material, and PVC is in combustion
It can produce with the gas such as toxicity and corrosive hydrogen chloride and violent dense smoke, easily cause substantial amounts of casualties in a fire
And the damage of precision instrument.Therefore, the developed country such as Europe and Japan has formulated the new standard of cable in succession, and particularly RoHS refers to
Strictly the use of the halide-containing such as limitation PVC, people transfer to study crosslinked polyetylene insulated communication cable, carry in order
Its high fire resistance.
However, traditional polyethylene wire and cable and Cable jacket materials, due to the unicity of its raw material, i.e. protective cover material only
Antioxidant, photomask agent, lubricant etc. are added by a kind of polyvinyl resin or a variety of polyvinyl resins to be made, its mechanicalness
Can, intensity, toughness, wearability, the hardness of such as protective cover material will certainly receive limitation, to realize high density polyethylene (HDPE) optical cable for this
Protective cover material high performance and the service life for extending protective cover material, the selection to the polyethylene trade mark just propose very high requirement,
That is have to select the very excellent polyvinyl resin matrix of performance, thus inevitably bring material and technology into
This is significantly increased；And since halogen-containing fire retardant cannot be used, it is necessary to fill the nothings such as substantial amounts of aluminium hydroxide, magnesium hydroxide
Machine powder is next fire-retardant, since the pardon and compatibility of the high crystalline plastics such as high density polyethylene (HDPE) and inorganic powder are poor, general
Be difficult to be uniformly dispersed in logical mixing machinery, or even little particle or powder bag can be agglomerated into, influence CABLE MATERIALS mechanical property and
Presentation quality.
The content of the invention
To solve above technical problem, the present invention provides the fire-retardant communication cable coating resin of high-performance environment-friendly and its preparation side
Method, to solve that there is good processing performance, mechanical property and excellent flame retardant effect, without harmful heavy metal and halogenated hydrocarbons,
The problem of meeting specific use environment.
The technical solution adopted by the present invention is as follows：A kind of fire-retardant communication cable coating resin of high-performance environment-friendly, key be by
The raw material composition of following mass fraction：50-70 parts of high density polyethylene (HDPE), 20-35 parts of epoxy modified polyurethane, ethylene-acrylic acid
3-9 parts from aggressiveness of magnesium, 15-25 parts of reactive-type flame retardant, 1-5 parts of antioxidant, 2-15 parts of lubricant, 3-10 parts of UV resistant agent；
The epoxy modified polyurethane is made of the raw material of following mass fraction：
30~45 parts of polyether polyol, 35~55 parts of toluene di-isocyanate(TDI), tetrahydrophthalic acid 2-glycidyl ester
15-25 parts, 8-12 parts of 1,4-butanediol, 15-23 parts of trimethylolpropane, 16-24 parts of methyl tetrahydrophthalic anhydride and 2,
3,6- tri- 1~5 part of (dimethylamino methyl) phenol.
Preferably, the mass fraction of the raw material is：High density polyethylene (HDPE) 65,22 parts of epoxy modified polyurethane, ethene-the third
5 parts from aggressiveness of olefin(e) acid magnesium, 18 parts of reactive-type flame retardant, antioxidant 2, lubricant 10,4 parts of UV resistant agent；It is described epoxide modified
Polyurethane by 35 parts of polyether polyol, 40 parts of toluene di-isocyanate(TDI), 21 parts of tetrahydrophthalic acid 2-glycidyl ester, Isosorbide-5-Nitrae-
9 parts of butanediol, 18 parts of trimethylolpropane, 21 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- (dimethylamino methyl) benzene
3 parts of compositions of phenol.
Preferably, the epoxy modified polyurethane is obtained using following methods：Macromolecule polyol is put into reaction kettle,
120 DEG C of reflux dewatering 1h are heated to while stirring, are added toluene di-isocyanate(TDI) when being then cooled to 50 DEG C, are to slowly warm up to 80
DEG C, stirring reaction 4-6h, obtains base polyurethane prepolymer for use as；By tetrahydrophthalic acid 2-glycidyl ester under the conditions of 80 DEG C, very
Sky dehydration 1-3 it is small when, after being cooled to 60 DEG C, sequentially add the base polyurethane prepolymer for use as, 1,4-butanediol, trimethylolpropane,
Methyl tetrahydrophthalic anhydride and 2,3,6- tri- (dimethylamino methyl) phenol, are warming up to 70-90 DEG C, stirring reaction 6-8 is small
When, obtain the epoxy modified polyurethane.
Preferably, the macromolecule polyol is the polyether Glycols that molecular weight is 2000.
Preferably, the reactive-type flame retardant is obtained using following methods：Under nitrogen protection, Vitrified powder is added into molar ratio
For (1-5)：(2-8)：In the mixed solution of 10 dimethyldichlorosilanes, n,N-Dimethylaniline and hexamethylene diamine, it is uniformly dispersed,
1~6h of insulation reaction at 30~70 DEG C, and make pH value be 5~6, continue that phenyl phosphinylidyne dichloro, benzene are added dropwise while stirring
The molar ratio of base phosphorothioic dichlorides and hexamethylene diamine is (1-5)：10, and 80~110 DEG C are warming up to, when insulation reaction 12 is small~27
Hour, cooling obtains the reactive-type flame retardant.
Preferably, the Vitrified powder is more than one or both of alundum (Al2O3), diboron trioxide, silica
Mixture.
Preferably, the UV resistant agent is polyethylene black masterbatch；The antioxidant is tetrapentaerythritol ester or sulphur
For dioctyl phthalate dilauryl.
Preferably, the lubricant is stearic acid or oleic acid.
A kind of preparation method of the fire-retardant communication cable coating resin of high-performance environment-friendly, key are to carry out according to the following steps：
Step 1: epoxy modified polyurethane and reactive-type flame retardant are prepared respectively；
Step 2: by epoxy modified polyurethane obtained in step 1 and high density polyethylene (HDPE), ethylene-acrylic acid magnesium from
Then and step after mixing, forced feed is in double screw extruder, for aggressiveness, lubricant, antioxidant and UV resistant agent
Reactive-type flame retardant obtained by one is added from the side spout of double screw extruder, and extrusion makes material after being kneaded, at 65 DEG C
When drying 1~3 is small, the fire-retardant communication cable coating resin of the high-performance environment-friendly is obtained.
Preferably, the extrusion temperature of the double screw extruder described in the step 2 is：120 DEG C of feeding section, mixing section
130 DEG C, extrusion makes 135 DEG C of section of material, 140 DEG C of flange section, 145 DEG C of head section.
Beneficial effect：Compared with prior art, the fire-retardant communication cable coating resin of high-performance environment-friendly of the invention is with polyethylene
For major ingredient so that sheath is nonpolarity, has dielectric loss is low, dielectric strength is big electrical property, add epoxy modified polyurethane with
Ethylene-acrylic acid magnesium is used cooperatively from aggressiveness, has good filler pardon and cross linkable, also improve tensile strength and
Elongation；The epoxy modified polyurethane of reference, polyurethane and epoxy resin form substantial amounts of permanent entanglement, are mutually formed there through
The structures of interpenetrating networks, has prominent positive cooperativity；Introduce reactive-type flame retardant to be modified by dimethyldichlorosilane, make
It uniformly and stably disperses in the reaction system, to improve and the combination power of major ingredient, when high temperature ablation occurs, after absorption heat
Ceramic material is formed, with the raising and the extension of ablation time of ablation temperature, the ceramic material of formation can be increasingly harder,
The flame retardant effect of the present invention is significantly improved, greatly reduces the possibility caused danger.The present invention is free of harmful heavy metal, no
Containing halogenated hydrocarbons, there is excellent flame retardant effect, even if burning will not produce a large amount of toxic gases and violent dense smoke, be also equipped with
Good processing performance and heat resistance, intensity is high, pliability is good, heat resistant, and oil resistant infiltration, chemically-resistant solvent, uses
Long lifespan, disclosure satisfy that specific use environment, and market application foreground is wide, the fire-retardant communication cable of high-performance environment-friendly of the invention
Sheath preparation method for material is easy to operate, reaction is controllable, and safety coefficient is high.
Embodiment
To make those skilled in the art be better understood from technical scheme, with reference to subordinate list and specific embodiment party
Formula elaborates the present invention.
First, the fire-retardant communication cable coating resin of a kind of high-performance environment-friendly
Embodiment 1：The configuration proportion of each raw material in the fire-retardant communication cable coating resin of high-performance environment-friendly
By each raw material in the fire-retardant communication cable coating resin of high-performance environment-friendly, the mass fraction as described in table 1 is mixed respectively,
Obtain the fire-retardant communication cable coating resin I~III of high-performance environment-friendly of 3 groups of different mixing proportions.
The fire-retardant communication cable coating resin I~III of high-performance environment-friendly of 1 different mixing proportion of table (mass fraction)
Embodiment 2：The preparation method of the fire-retardant communication cable coating resin I of high-performance environment-friendly
Step 1: the preparation of epoxy modified polyurethane：By in 30 parts of input reaction kettles of polyether polyol, heat while stirring
To 120 DEG C of reflux dewatering 1h, 35 parts of toluene di-isocyanate(TDI) is added when being then cooled to 50 DEG C, is to slowly warm up to 80 DEG C, stirring
4-6h is reacted, obtains base polyurethane prepolymer for use as；By 15 parts of tetrahydrophthalic acid 2-glycidyl ester under the conditions of 80 DEG C, vacuum takes off
When water 1-3 is small, after being cooled to 60 DEG C, the base polyurethane prepolymer for use as, 8 parts of 1,4-butanediol, trimethylolpropane 15 are sequentially added
Part, 16 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 1 part of (dimethylamino methyl) phenol, are warming up to 70-90 DEG C, stirring
When reaction 6-8 is small, the epoxy modified polyurethane is obtained；
The preparation of reactive-type flame retardant：Under nitrogen protection, it is 1 alundum (Al2O3) to be added molar ratio：2：10 dimethyl two
In the mixed solution of chlorosilane, n,N-Dimethylaniline and hexamethylene diamine, be uniformly dispersed, at 30~70 DEG C insulation reaction 1~
6h, and make pH value be 5~6, continue that phenyl phosphinylidyne dichloro is added dropwise while stirring, phenyl phosphinylidyne dichloro and hexamethylene diamine
Molar ratio is 1：10, and be warming up to 80~110 DEG C, when insulation reaction 12 is small~27 it is small when, cool drying obtains the activity resistance
Fire agent.
Step 2: by 20 parts of epoxy modified polyurethane obtained in step 1 and 50 parts of high density polyethylene (HDPE), ethene-the third
3 parts of 3 parts from aggressiveness of olefin(e) acid magnesium, 2 parts of stearic acid, 1 part of tetrapentaerythritol ester and polyethylene black masterbatch after mixing, are forced to feed
Expect, in double screw extruder, then with 15 parts of reactive-type flame retardant obtained by step 1 from the side spout of double screw extruder to add
Enter, extrusion makes material after being kneaded, and when drying 1~3 is small at 65 DEG C, obtains the fire-retardant communication cable sheath of the high-performance environment-friendly
Material, the extrusion temperature of wherein double screw extruder are：120 DEG C of feeding section, 130 DEG C of mixing section, extrusion make 135 DEG C of section of material, flange
140 DEG C of part, 145 DEG C of head section.
Embodiment 3：The preparation method of the fire-retardant communication cable coating resin II of high-performance environment-friendly
Step 1: the preparation of epoxy modified polyurethane：By in 45 parts of input reaction kettles of polyether polyol, heat while stirring
To 120 DEG C of reflux dewatering 1h, 55 parts of toluene di-isocyanate(TDI) is added when being then cooled to 50 DEG C, is to slowly warm up to 80 DEG C, stirring
4-6h is reacted, obtains base polyurethane prepolymer for use as；By 25 parts of tetrahydrophthalic acid 2-glycidyl ester under the conditions of 80 DEG C, vacuum takes off
When water 1-3 is small, after being cooled to 60 DEG C, the base polyurethane prepolymer for use as, 12 parts of 1,4-butanediol, trimethylolpropane 23 are sequentially added
Part, 24 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 5 parts of (dimethylamino methyl) phenol, are warming up to 70-90 DEG C, stirring
When reaction 6-8 is small, the epoxy modified polyurethane is obtained；
The preparation of reactive-type flame retardant：Under nitrogen protection, it is 5 diboron trioxide to be added molar ratio：8：10 dimethyl two
In the mixed solution of chlorosilane, n,N-Dimethylaniline and hexamethylene diamine, be uniformly dispersed, at 30~70 DEG C insulation reaction 1~
6h, and make pH value be 5~6, continue that phenyl phosphinylidyne dichloro is added dropwise while stirring, phenyl phosphinylidyne dichloro and hexamethylene diamine
Molar ratio is 5：10, and be warming up to 80~110 DEG C, when insulation reaction 12 is small~27 it is small when, cool drying obtains the activity resistance
Fire agent.
Step 2: by 35 parts of epoxy modified polyurethane obtained in step 1 and 70 parts of high density polyethylene (HDPE), ethene-the third
10 parts of 9 parts from aggressiveness of olefin(e) acid magnesium, 15 parts of oleic acid, 5 parts of thio dioctyl phthalate dilauryl and polyethylene black masterbatch after mixing,
Then forced feed is fed in double screw extruder with 25 parts of reactive-type flame retardant obtained by step 1 from the side of double screw extruder
Material mouth adds, and extrusion makes material after being kneaded, and when drying 1~3 is small at 65 DEG C, obtains the fire-retardant communication electricity of the high-performance environment-friendly
The extrusion temperature of cable protective cover material, wherein double screw extruder is：120 DEG C of feeding section, 130 DEG C of mixing section, extrusion make material section 135
DEG C, 140 DEG C of flange section, 145 DEG C of head section.
Embodiment 4：The preparation method of the fire-retardant communication cable coating resin III of high-performance environment-friendly
Step 1: the preparation of epoxy modified polyurethane：By in 35 parts of input reaction kettles of polyether polyol, heat while stirring
To 120 DEG C of reflux dewatering 1h, 40 parts of toluene di-isocyanate(TDI) is added when being then cooled to 50 DEG C, is to slowly warm up to 80 DEG C, stirring
4-6h is reacted, obtains base polyurethane prepolymer for use as；By 15-25 parts of tetrahydrophthalic acid 2-glycidyl ester under the conditions of 80 DEG C, very
When sky dehydration 1-3 is small, after being cooled to 60 DEG C, the base polyurethane prepolymer for use as, 9 parts of 1,4-butanediol, trihydroxy methyl third are sequentially added
18 parts of alkane, 21 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 3 parts of (dimethylamino methyl) phenol, are warming up to 70-90 DEG C,
When stirring reaction 6-8 is small, the epoxy modified polyurethane is obtained；
The preparation of reactive-type flame retardant：Under nitrogen protection, it is 3 silica to be added molar ratio：6：10 dimethyl dichloros
In the mixed solution of silane, n,N-Dimethylaniline and hexamethylene diamine, it is uniformly dispersed, 1~6h of insulation reaction at 30~70 DEG C,
And make pH value be 5~6, continue that phenyl phosphinylidyne dichloro is added dropwise while stirring, phenyl phosphinylidyne dichloro and hexamethylene diamine rub
You are than being 4：10, and be warming up to 80~110 DEG C, when insulation reaction 12 is small~27 it is small when, cool drying obtains the active flame-proof
Agent.
Step 2: by 22 parts of epoxy modified polyurethane obtained in step 1 and 65 parts of high density polyethylene (HDPE), ethene-the third
4 parts of 5 parts from aggressiveness of olefin(e) acid magnesium, 10 parts of stearic acid, 2 parts of thio dioctyl phthalate dilauryl and polyethylene black masterbatch are uniformly mixed
Afterwards, forced feed is in double screw extruder, then with 18 parts of reactive-type flame retardant obtained by step 1 from double screw extruder
Side spout adds, and extrusion makes material after being kneaded, and when drying 1~3 is small at 65 DEG C, it is fire-retardant logical to obtain the high-performance environment-friendly
Cable jacket material is interrogated, the extrusion temperature of wherein double screw extruder is：120 DEG C of feeding section, 130 DEG C of mixing section, extrusion make material section
135 DEG C, 140 DEG C of flange section, 145 DEG C of head section.
5 comparative example of embodiment
Equipment and operation are with embodiment 4, the difference is that epoxy modified polyurethane is changed to low molecular weight polyethylene, other are former
Material and its dosage are constant, and the obtained fire-retardant communication cable coating resin code name of high-performance environment-friendly is IV.
6 comparative example of embodiment
Equipment and operation are with embodiment 4, the difference is that reactive-type flame retardant is changed to magnesium hydroxide, other raw materials and its dosage
Constant, the obtained fire-retardant communication cable coating resin code name of high-performance environment-friendly is V.
2nd, the fire-retardant communication cable coating resin of high-performance environment-friendly the various embodiments described above being prepared respectively carries out performance survey
Examination is compared：
(1) test method
1st, the general condition of test
The environmental condition of test site
Standard state：23 ± 2 DEG C of temperature, relative humidity 60 ± 5%.
Off-rating：5-35 DEG C of temperature, relative humidity 45-85%.
2nd, test sample
The fire-retardant communication cable coating resin of high-performance environment-friendly is put into hot-forming in vulcanizing press, pressure l2Mpa, is made
The smooth lamella of 1mm thickness, and smooth lamella is prepared into dumbbell shaped sample to be tested with sheet-punching machine.
3rd, electric performance test
Test volume resistivity is provided by GB1410, test dielectric strength is provided by GB1408, provides that survey is situated between by GB1409
Electric constant, dielectric loss.
4th, ageing properties are tested
Provide to carry out air -oven thermal ageing test, 100 ± 2 DEG C of aging temperature, 10 days time by GB2951.7.
5th, Mechanics Performance Testing
Carried out by the regulation of GB1040, sample is III type, and thickness is 1.0 ± 0.1mm.
6th, rheology testing
Provide to carry out by GB3682.
(2) test result
The performance test results contrast of the 2 fire-retardant communication cable coating resin of each high-performance environment-friendly of table
From the data of upper table as it can be seen that the fire-retardant communication cable coating resin I-III of high-performance environment-friendly is fire-retardant logical with high-performance environment-friendly
News cable jacket material IV-V is compared, and performance has increased significantly；Composition III is compared with composition IV, due to introducing ring
Oxygen modified polyurethane, has mutually been formed there through the structure of interpenetrating networks, has prominent positive cooperativity, adds cross-linking
Property, there is good increasing tougheness to polyethylene, the mechanical property and electric property of material are all significantly increased, by hot air aging
Afterwards, draw high intensity and elongation stills remain in 99% and 97%；Composition III introduces active flame-proof compared with composition V
Agent, due to being modified to its surface, reduces the surface energy state of particle, adds the interface binding power with polymer, so that
The rigidity and hardness of material are improved, compared to unmodified magnesium hydroxide, is had in terms of electric property and mechanical property big
Width improves.
Finally it is to be appreciated that foregoing description is merely a preferred embodiment of the present invention, those skilled in the art is in the present invention
Enlightenment under, on the premise of without prejudice to present inventive concept and claim, expression, such change as multiple types can be made
Change and each fall within protection scope of the present invention.
Claims (10)
1. a kind of fire-retardant communication cable coating resin of high-performance environment-friendly, it is characterised in that be made of the raw material of following mass fraction：It is high
50-70 parts of density polyethylene, 20-35 parts of epoxy modified polyurethane, 3-9 parts from aggressiveness of ethylene-acrylic acid magnesium, reactive-type flame retardant
15-25 parts, 1-5 parts of antioxidant, 2-15 parts of lubricant, 3-10 parts of UV resistant agent；
The epoxy modified polyurethane is made of the raw material of following mass fraction：
30~45 parts of polyether polyol, 35~55 parts of toluene di-isocyanate(TDI), tetrahydrophthalic acid 2-glycidyl ester 15-25
Part, 8-12 parts of 1,4-butanediol, 15-23 parts of trimethylolpropane, 16-24 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri-
1~5 part of (dimethylamino methyl) phenol.
2. the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 1, it is characterised in that the matter of the raw material
Measuring number is：65 parts of high density polyethylene (HDPE), 22 parts of epoxy modified polyurethane, 5 parts from aggressiveness of ethylene-acrylic acid magnesium, active flame-proof
18 parts of agent, 2 parts of antioxidant, 10 parts of lubricant, 4 parts of UV resistant agent；The epoxy modified polyurethane is by polyether polyol 35
Part, 40 parts of toluene di-isocyanate(TDI), 21 parts of tetrahydrophthalic acid 2-glycidyl ester, 9 parts of 1,4-butanediol, trihydroxy methyl third
18 parts of alkane, 21 parts of methyl tetrahydrophthalic anhydride and 2,3,6- tri- 3 parts of (dimethylamino methyl) phenol composition.
3. the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 1 or 2, it is characterised in that：The epoxy
Modified polyurethane is obtained using following methods：Macromolecule polyol is put into reaction kettle, is heated to 120 DEG C of reflux while stirring
1h is dehydrated, toluene di-isocyanate(TDI) is added when being then cooled to 50 DEG C, is to slowly warm up to 80 DEG C, stirring reaction 4-6h, is gathered
Urethane performed polymer；By tetrahydrophthalic acid 2-glycidyl ester under the conditions of 80 DEG C, when vacuum dehydration 1-3 is small, 60 are cooled to
After DEG C, sequentially add the base polyurethane prepolymer for use as, 1,4-butanediol, trimethylolpropane, methyl tetrahydrophthalic anhydride and
2,3,6- tri- (dimethylamino methyl) phenol, are warming up to 70-90 DEG C, when stirring reaction 6-8 is small, obtain the epoxide modified poly- ammonia
Ester.
4. the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 1 or 2, it is characterised in that：The high score
Sub- polyalcohol is the polyether Glycols that molecular weight is 1000.
5. the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 1 or 2, it is characterised in that：The activity
Fire retardant is obtained using following methods：Under nitrogen protection, it is (1-5) by Vitrified powder addition molar ratio：(2-8)：10 dimethyl
In the mixed solution of dichlorosilane, n,N-Dimethylaniline and hexamethylene diamine, it is uniformly dispersed, the insulation reaction 1 at 30~70 DEG C
~6h, and make pH value be 5~6, continue that phenyl phosphinylidyne dichloro, phenyl phosphinylidyne dichloro and hexamethylene diamine are added dropwise while stirring
Molar ratio be (1-5)：10, and be warming up to 80~110 DEG C, when insulation reaction 12 is small~27 it is small when, cooling obtains the activity
Fire retardant.
6. the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 3, it is characterised in that：The Vitrified powder is
Mixture more than one or both of alundum (Al2O3), diboron trioxide, silica.
7. the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 4, it is characterised in that：The uvioresistant
Agent is polyethylene black masterbatch；The antioxidant is tetrapentaerythritol ester or thio dioctyl phthalate dilauryl.
8. the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 4, it is characterised in that：The lubricant is
Stearic acid or oleic acid.
9. a kind of preparation method according to the fire-retardant communication cable coating resin of claim 1-8 any one of them high-performance environment-friendlies,
It is characterized in that carry out according to the following steps：
Step 1: epoxy modified polyurethane and reactive-type flame retardant are prepared respectively；
Step 2: by epoxy modified polyurethane obtained in step 1 with high density polyethylene (HDPE), ethylene-acrylic acid magnesium from poly-
Then and step 1 after mixing, forced feed is in double screw extruder, for body, lubricant, antioxidant and UV resistant agent
Obtained reactive-type flame retardant is added from the side spout of double screw extruder, and extrusion makes material after being kneaded, and is done at 65 DEG C
It is dry 1~3 it is small when, obtain the fire-retardant communication cable coating resin of the high-performance environment-friendly.
10. the preparation method of the fire-retardant communication cable coating resin of high-performance environment-friendly according to claim 9, it is characterised in that：
The extrusion temperature of double screw extruder described in the step 2 is：120 DEG C of feeding section, 130 DEG C of mixing section, extrusion make material section
135 DEG C, 140 DEG C of flange section, 145 DEG C of head section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711451892.7A CN108017827A (en) | 2017-12-28 | 2017-12-28 | Fire-retardant communication cable coating resin of high-performance environment-friendly and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711451892.7A CN108017827A (en) | 2017-12-28 | 2017-12-28 | Fire-retardant communication cable coating resin of high-performance environment-friendly and preparation method thereof |
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|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110819100A (en) * | 2019-11-15 | 2020-02-21 | 安徽德科科技有限公司 | High-thermal-stability circuit board material and preparation method thereof |
| CN115527703A (en) * | 2022-09-01 | 2022-12-27 | 北京市昆仑线缆制造有限公司 | Halogen-free low-smoke A-level flame-retardant efficient energy-saving wire for home decoration |
| CN116462922A (en) * | 2023-05-06 | 2023-07-21 | 广东澳通特种电缆有限公司 | Fireproof flame-retardant cable and preparation method thereof |
| CN116769270A (en) * | 2023-06-25 | 2023-09-19 | 广东丙辛新材料有限公司 | Low-density high-pressure polyethylene closed-cell foam plastic plate and production process thereof |
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2017
- 2017-12-28 CN CN201711451892.7A patent/CN108017827A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110819100A (en) * | 2019-11-15 | 2020-02-21 | 安徽德科科技有限公司 | High-thermal-stability circuit board material and preparation method thereof |
| CN115527703A (en) * | 2022-09-01 | 2022-12-27 | 北京市昆仑线缆制造有限公司 | Halogen-free low-smoke A-level flame-retardant efficient energy-saving wire for home decoration |
| CN116462922A (en) * | 2023-05-06 | 2023-07-21 | 广东澳通特种电缆有限公司 | Fireproof flame-retardant cable and preparation method thereof |
| CN116462922B (en) * | 2023-05-06 | 2023-09-29 | 广东澳通特种电缆有限公司 | Fireproof flame-retardant cable and preparation method thereof |
| CN116769270A (en) * | 2023-06-25 | 2023-09-19 | 广东丙辛新材料有限公司 | Low-density high-pressure polyethylene closed-cell foam plastic plate and production process thereof |
| CN116769270B (en) * | 2023-06-25 | 2024-03-08 | 广东丙辛新材料有限公司 | Low-density high-pressure polyethylene closed-cell foam plastic plate and production process thereof |
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