CN108503942A - A kind of computer communication cable sheath material and its preparation process - Google Patents
A kind of computer communication cable sheath material and its preparation process Download PDFInfo
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- CN108503942A CN108503942A CN201810330985.2A CN201810330985A CN108503942A CN 108503942 A CN108503942 A CN 108503942A CN 201810330985 A CN201810330985 A CN 201810330985A CN 108503942 A CN108503942 A CN 108503942A
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/047—Reinforcing macromolecular compounds with loose or coherent fibrous material with mixed fibrous material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B3/441—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 from alkenes
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- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08K5/10—Esters; Ether-esters
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Abstract
The invention discloses a kind of computer communication cable sheath materials and its preparation process, and in terms of parts by weight, the wire cable material includes mainly following components：22 42 parts of matrix resin, 12 18 parts of rubber grain, 5 12 parts of composite reinforcing fiber, 36 parts of inorganic filler, 24 parts of fire retardant, 0.3 0.8 parts of antioxidant, 0.5 1.5 parts of plasticizer, 0.8 1.6 parts of compatilizer.The present invention provides a kind of computer communication cable sheath material and its preparation process, has stronger flame retardant property and mechanical property, and preparation process is simple, has broad application prospects.
Description
Technical field
The present invention relates to cable sheath material technical fields, and in particular to a kind of computer communication cable sheath material and
Its preparation process.
Background technology
In recent years, with the development of economy, the especially rapid hair of the industries such as electric power, electronics and computer information
Exhibition so that matched cable dosage increases severely, since people are to the property of cable sheath material especially communication cable sheath
Can index have a more strict requirements, traditional communication cable sheath material is there are poor fire, chemical stability is poor, mechanics
The problems such as poor performance, brings many inconvenience to actual use, or even threatens national information safety.Therefore, calculating how is prepared
Machine communication cable sheath material, while reducing its process costs and improving fire-retardant toughened performance, it is computer communication always
The technical barrier that cable sheath material promotes and applies
Based on this, it is necessary to a kind of computer communication cable sheath material and its preparation process are proposed, to solve the prior art
The problem of.
Invention content
In view of the above-mentioned analysis to the prior art, the present invention provides a kind of computer communication cable sheath material and its system
Standby technique, has stronger flame retardant property and mechanical property, and preparation process is simple, has broad application prospects.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of computer communication cable sheath material, in terms of parts by weight, the cable sheath material includes mainly with the following group
Point：
22-42 parts of matrix resin；
12-18 parts of rubber grain；
5-12 parts of composite reinforcing fiber；
3-6 parts of inorganic filler；
2-4 parts of fire retardant；
0.3-0.8 parts of antioxidant；
0.5-1.5 parts of plasticizer；
0.8-1.6 parts of compatilizer.
Preferably, in terms of parts by weight, the cable sheath material includes mainly following components：
30 parts of matrix resin；
15 parts of rubber grain；
8.5 parts of composite reinforcing fiber；
4.5 parts of inorganic filler；
3 parts of fire retardant；
0.5 part of antioxidant；
1 part of plasticizer；
1.2 parts of compatilizer.
Preferably, described matrix resin is selected from ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, second
One or more of alkene-propylene bipolymer.
Preferably, the rubber grain is nitrile rubber, ethylene propylene diene rubber or butadiene-styrene rubber.
Preferably, it is 1 that the composite reinforcing fiber, which is weight ratio,：（0.3-0.7）Carbon fiber and polyimide fiber
Mixture.
Preferably, it is 1 that the inorganic filler, which is weight ratio,:1:1 ceramic powders, calcium carbonate powder and silicon-carbide particle
Mixture.
Preferably, the fire retardant is modified magnesium hydroxide.
Preferably, the preparation process of the modified magnesium hydroxide is as follows：
（1）Processing is dried in magnesium hydroxide；
（2）Magnesium hydroxide is put into reaction kettle, and reaction kettle is warming up to 80-90 DEG C；
（3）Blender is started, so that the magnesium hydroxide in reaction kettle is stirred 10-20 minutes, stir speed (S.S.) 400-500rpm；
（4）Stearic acid modified dose is added into reaction kettle, reaction time 3-5h；
（5）Magnesium hydroxide in reaction kettle is filtered, is dried, is sieved to get the modified magnesium hydroxide.
Preferably, it is 2-5 that the antioxidant, which is mass ratio,:1 2,6- three-levels butyl -4- methylphenols and double ten four carbon alcohols
The mixture of ester；The plasticizer is one or more of polyethylene wax, calcium stearate, paraffin, stearic acid single-trunk ester；It is described
Compatilizer is maleic anhydride grafted polyethylene.
The present invention also provides the above computer preparation processes of communication cable sheath material, include the following steps：
Step 1：Each raw material is weighed by predetermined weight；
Step 2：By matrix resin, rubber grain, composite reinforcing fiber, inorganic filler, fire retardant, antioxidant, plasticizer and phase
Hold agent to be put into togerther in two-roll mill, 90-110 DEG C of roller temperature, roll-in is uniform to batch mixing repeatedly；
Step 3：Mixture in step 2 is sent into double rank machines plasticizing comminutors to be granulated, comminutor Zhong Ge area's temperature is from feed inlet
It it is 125-160 DEG C to head, discharging is earnestly air-cooled to get computer communication cable sheath material.
Compared with prior art, the present invention having following advantageous effect：
（1）For the present invention using the matrix resin that is halogen-free, when burning, not will produce apparent smog and toxic gas, and add
Flame retardant of magnesium hydroxide modified has preferable compatibility with matrix resin, changes previous inorganic combustion inhibitor and tree
Cable sheath material not only preferable flame retardant property, while the mechanical property of various aspects is made in the incompatible problem of fat in this way
Significant raising has been obtained, meanwhile, it is added to inorganic filler, and it is compatible with matrix resin by using compatilizer to increase it
Property, in this way, while being further added by cable sheath material flame retardant property, further improve the mechanical property of the material.
（2）By adding composite reinforcing fiber, carbon fiber and polyimide fiber therein can form netted the present invention
Structure, matrix resin, rubber grain and inorganic filler etc. can be filled in wherein, in this way, improving the cracking resistance of the cable sheath material
Performance, to further increase its mechanical property.
（3）The present invention can further improve the ageing resistance of the cable sheath material by adding antioxidant；
（4）The plasticizer of the addition of the present invention, can make the plasticizing capacity of cable sheath material be further improved；
（5）The preparation process of the cable sheath material of the present invention is simple, industrialized production easy to implement.
Specific implementation mode
Form by the following examples is described in further detail the above of the present invention again, but should not be by this
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all based on the technology realized belonging to the above of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
A kind of computer communication cable sheath material, in terms of parts by weight, the cable sheath material includes mainly with the following group
Point：
22 parts of matrix resin；
12 parts of rubber grain；
5 parts of composite reinforcing fiber；
3 parts of inorganic filler；
2 parts of fire retardant；
0.3 part of antioxidant；
0.5 part of plasticizer；
0.8 part of compatilizer.
Wherein, described matrix resin is selected from the mixed of ethylene-vinyl acetate copolymer and ethylene-ethyl acrylate copolymer
Close object.
Wherein, the rubber grain is nitrile rubber.
Wherein, it is 1 that the composite reinforcing fiber, which is weight ratio,：0.3 carbon fiber and the mixture of polyimide fiber.
Wherein, it is 1 that the inorganic filler, which is weight ratio,:1:1 ceramic powders, calcium carbonate powder and silicon-carbide particle it is mixed
Close object.
Wherein, the fire retardant is modified magnesium hydroxide.
Wherein, the preparation process of the modified magnesium hydroxide is as follows：
（1）Processing is dried in magnesium hydroxide；
（2）Magnesium hydroxide is put into reaction kettle, and reaction kettle is warming up to 80 DEG C；
（3）Blender is started, so that the magnesium hydroxide in reaction kettle is stirred 10 minutes, stir speed (S.S.) 400rpm；
（4）Stearic acid modified dose is added into reaction kettle, reaction time 3h；
（5）Magnesium hydroxide in reaction kettle is filtered, is dried, is sieved to get the modified magnesium hydroxide.
Wherein, it is 2 that the antioxidant, which is mass ratio,:1 2,6- three-levels butyl -4- methylphenols and bi-myristoleyl
Mixture；The plasticizer is polyethylene wax；The compatilizer is maleic anhydride grafted polyethylene.
The present invention also provides the above computer preparation processes of communication cable sheath material, include the following steps：
Step 1：Each raw material is weighed by predetermined weight；
Step 2：By matrix resin, rubber grain, composite reinforcing fiber, inorganic filler, fire retardant, antioxidant, plasticizer and phase
Hold agent to be put into togerther in two-roll mill, 90 DEG C of roller temperature, roll-in is uniform to batch mixing repeatedly；
Step 3：Mixture in step 2 is sent into double rank machines plasticizing comminutors to be granulated, comminutor Zhong Ge area's temperature is from feed inlet
It it is 125 DEG C to head, discharging is earnestly air-cooled to get computer communication cable sheath material.
Embodiment 2
A kind of computer communication cable sheath material, in terms of parts by weight, the cable sheath material includes mainly with the following group
Point：
42 parts of matrix resin；
18 parts of rubber grain；
12 parts of composite reinforcing fiber；
6 parts of inorganic filler；
4 parts of fire retardant；
0.8 part of antioxidant；
1.5 parts of plasticizer；
1.6 parts of compatilizer.
Wherein, described matrix resin is selected from the mixture of ethylene-ethyl acrylate copolymer and ethylene-propylene bipolymer.
Wherein, the rubber grain is ethylene propylene diene rubber.
Wherein, it is 1 that the composite reinforcing fiber, which is weight ratio,：0.7 carbon fiber and the mixture of polyimide fiber.
Wherein, it is 1 that the inorganic filler, which is weight ratio,:1:1 ceramic powders, calcium carbonate powder and silicon-carbide particle it is mixed
Close object.
Wherein, the fire retardant is modified magnesium hydroxide.
Wherein, the preparation process of the modified magnesium hydroxide is as follows：
（1）Processing is dried in magnesium hydroxide；
（2）Magnesium hydroxide is put into reaction kettle, and reaction kettle is warming up to 90 DEG C；
（3）Blender is started, so that the magnesium hydroxide in reaction kettle is stirred 20 minutes, stir speed (S.S.) 500rpm；
（4）Stearic acid modified dose is added into reaction kettle, reaction time 5h；
（5）Magnesium hydroxide in reaction kettle is filtered, is dried, is sieved to get the modified magnesium hydroxide.
Wherein, it is 5 that the antioxidant, which is mass ratio,:1 2,6- three-levels butyl -4- methylphenols and bi-myristoleyl
Mixture；The plasticizer is the mixture of calcium stearate and paraffin；The compatilizer is maleic anhydride grafted polyethylene.
The present invention also provides the above computer preparation processes of communication cable sheath material, include the following steps：
Step 1：Each raw material is weighed by predetermined weight；
Step 2：By matrix resin, rubber grain, composite reinforcing fiber, inorganic filler, fire retardant, antioxidant, plasticizer and phase
Hold agent to be put into togerther in two-roll mill, 110 DEG C of roller temperature, roll-in is uniform to batch mixing repeatedly；
Step 3：Mixture in step 2 is sent into double rank machines plasticizing comminutors to be granulated, comminutor Zhong Ge area's temperature is from feed inlet
It it is 160 DEG C to head, discharging is earnestly air-cooled to get computer communication cable sheath material.
Embodiment 3
A kind of computer communication cable sheath material, in terms of parts by weight, the cable sheath material includes mainly with the following group
Point：
30 parts of matrix resin；
15 parts of rubber grain；
8.5 parts of composite reinforcing fiber；
4.5 parts of inorganic filler；
3 parts of fire retardant；
0.5 part of antioxidant；
1 part of plasticizer；
1.2 parts of compatilizer.
Wherein, described matrix resin is selected from the mixing of ethylene-vinyl acetate copolymer and ethylene-propylene bipolymer
Object.
Wherein, the rubber grain is butadiene-styrene rubber.
Wherein, it is 1 that the composite reinforcing fiber, which is weight ratio,：0.5 carbon fiber and the mixture of polyimide fiber.
Wherein, it is 1 that the inorganic filler, which is weight ratio,:1:1 ceramic powders, calcium carbonate powder and silicon-carbide particle it is mixed
Close object.
Wherein, the fire retardant is modified magnesium hydroxide.
Wherein, the preparation process of the modified magnesium hydroxide is as follows：
（1）Processing is dried in magnesium hydroxide；
（2）Magnesium hydroxide is put into reaction kettle, and reaction kettle is warming up to 85 DEG C；
（3）Blender is started, so that the magnesium hydroxide in reaction kettle is stirred 15 minutes, stir speed (S.S.) 450rpm；
（4）Stearic acid modified dose is added into reaction kettle, reaction time 4h；
（5）Magnesium hydroxide in reaction kettle is filtered, is dried, is sieved to get the modified magnesium hydroxide.
Wherein, it is 3.5 that the antioxidant, which is mass ratio,:1 2,6- three-levels butyl -4- methylphenols and bi-myristoleyl
Mixture；The plasticizer is the mixture that paraffin and stearic acid go alone ester；The compatilizer is that maleic anhydride is grafted poly- second
Alkene.
The present invention also provides the above computer preparation processes of communication cable sheath material, include the following steps：
Step 1：Each raw material is weighed by predetermined weight；
Step 2：By matrix resin, rubber grain, composite reinforcing fiber, inorganic filler, fire retardant, antioxidant, plasticizer and phase
Hold agent to be put into togerther in two-roll mill, 100 DEG C of roller temperature, roll-in is uniform to batch mixing repeatedly；
Step 3：Mixture in step 2 is sent into double rank machines plasticizing comminutors to be granulated, comminutor Zhong Ge area's temperature is from feed inlet
It it is 145 DEG C to head, discharging is earnestly air-cooled to get computer communication cable sheath material.
By the computer of above-mentioned preparation communication cable sheath material, its combustibility and mechanical property parameters are tested such as
Under：Oxygen index (OI) 38.5-42%, notch impact strength 4.1-4.4KJ/m3, bending strength 19-21Mpa.
It is merely a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned implementation described in upper
Invention is explained in detail for example, for those skilled in the art, still can be to foregoing embodiments
Recorded technical solution is modified or equivalent replacement of some of the technical features.All spirit in the present invention
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of computer communication cable sheath material, which is characterized in that in terms of parts by weight, the cable sheath material master
It to include following components：
22-42 parts of matrix resin；
12-18 parts of rubber grain；
5-12 parts of composite reinforcing fiber；
3-6 parts of inorganic filler；
2-4 parts of fire retardant；
0.3-0.8 parts of antioxidant；
0.5-1.5 parts of plasticizer；
0.8-1.6 parts of compatilizer.
2. computer according to claim 1 communication cable sheath material, which is characterized in that in terms of parts by weight, institute
It includes following components to state cable sheath material mainly：
30 parts of matrix resin；
15 parts of rubber grain；
8.5 parts of composite reinforcing fiber；
4.5 parts of inorganic filler；
3 parts of fire retardant；
0.5 part of antioxidant；
1 part of plasticizer；
1.2 parts of compatilizer.
3. computer according to claim 1 communication cable sheath material, which is characterized in that described matrix resin is selected from
Ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, one kind in ethylene-propylene bipolymer or several
Kind.
4. computer according to claim 1 communication cable sheath material, which is characterized in that the rubber grain is fourth
Nitrile rubber, ethylene propylene diene rubber or butadiene-styrene rubber.
5. computer according to claim 1 communication cable sheath material, which is characterized in that the composite reinforcing fiber
It is 1 for weight ratio：（0.3-0.7）Carbon fiber and polyimide fiber mixture.
6. computer according to claim 1 communication cable sheath material, which is characterized in that the inorganic filler is attached most importance to
Amount is than being 1:1:1 ceramic powders, the mixture of calcium carbonate powder and silicon-carbide particle.
7. computer according to claim 1 communication cable sheath material, which is characterized in that the fire retardant is to be modified
Magnesium hydroxide.
8. computer according to claim 7 communication cable sheath material, which is characterized in that the modified magnesium hydroxide
Preparation process it is as follows：
（1）Processing is dried in magnesium hydroxide；
（2）Magnesium hydroxide is put into reaction kettle, and reaction kettle is warming up to 80-90 DEG C；
（3）Blender is started, so that the magnesium hydroxide in reaction kettle is stirred 10-20 minutes, stir speed (S.S.) 400-500rpm；
（4）Stearic acid modified dose is added into reaction kettle, reaction time 3-5h；
（5）Magnesium hydroxide in reaction kettle is filtered, is dried, is sieved to get the modified magnesium hydroxide.
9. computer according to claim 1 communication cable sheath material, which is characterized in that the antioxidant is quality
Than for 2-5:The mixture of 1 2,6- three-level butyl -4- methylphenols and bi-myristoleyl；The plasticizer is polyethylene
One or more of wax, calcium stearate, paraffin, stearic acid single-trunk ester；The compatilizer is maleic anhydride grafted polyethylene.
10. a kind of preparation process according to claim 1-9 any one of them computer communication cable sheath material, special
Sign is, includes the following steps：
Step 1：Each raw material is weighed by predetermined weight；
Step 2：By matrix resin, rubber grain, composite reinforcing fiber, inorganic filler, fire retardant, antioxidant, plasticizer and phase
Hold agent to be put into togerther in two-roll mill, 90-110 DEG C of roller temperature, roll-in is uniform to batch mixing repeatedly；
Step 3：Mixture in step 2 is sent into double rank machines plasticizing comminutors to be granulated, comminutor Zhong Ge area's temperature is from feed inlet
It it is 125-160 DEG C to head, discharging is earnestly air-cooled to get computer communication cable sheath material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593261A (en) * | 2018-11-30 | 2019-04-09 | 李敏 | A kind of wind-power electricity generation specialized power cable material and preparation method thereof |
| CN111393868A (en) * | 2020-05-06 | 2020-07-10 | 昆明电缆集团昆电工电缆有限公司 | Method for recycling insulating rubber head material |
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|---|---|---|---|---|
| CN106167597A (en) * | 2016-08-02 | 2016-11-30 | 合肥文武信息技术有限公司 | A kind of polyethylene communications cable material |
-
2018
- 2018-04-13 CN CN201810330985.2A patent/CN108503942A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167597A (en) * | 2016-08-02 | 2016-11-30 | 合肥文武信息技术有限公司 | A kind of polyethylene communications cable material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593261A (en) * | 2018-11-30 | 2019-04-09 | 李敏 | A kind of wind-power electricity generation specialized power cable material and preparation method thereof |
| CN111393868A (en) * | 2020-05-06 | 2020-07-10 | 昆明电缆集团昆电工电缆有限公司 | Method for recycling insulating rubber head material |
| CN111393868B (en) * | 2020-05-06 | 2022-03-25 | 昆明电缆集团昆电工电缆有限公司 | Method for recycling insulating rubber head material |
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Application publication date: 20180907 |