CN106336646A - Flame-retardant weather-resistant PTC cable material and preparation method - Google Patents
Flame-retardant weather-resistant PTC cable material and preparation method Download PDFInfo
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- CN106336646A CN106336646A CN201610756216.XA CN201610756216A CN106336646A CN 106336646 A CN106336646 A CN 106336646A CN 201610756216 A CN201610756216 A CN 201610756216A CN 106336646 A CN106336646 A CN 106336646A
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- flame
- resisting
- cable materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
- H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a flame-retardant weather-resistant PTC cable material and a preparation method thereof. The flame-retardant weather-resistant PTC cable material comprises, by weight, 100 parts of thermoplastic polyurethane, 20-30 parts of maleic anhydride grafted polypropylene, 5-15 parts of ethylene-vinyl acetate copolymer, 5-15 parts of graphene micro sheets, 4-6 parts of compatilizer, 2-4 parts of flame-retardant agent, 4-6 parts of antioxidant, 0.3-0.8 part of ultraviolet absorbing agent and 1-2 parts of lubricant. The cable material is prepared through mixing, compounding, extruding and other procedures under specific process parameters. The prepared flame-retardant weather-resistant PTC cable material has the advantages of being resistant to weather, high in flame retardancy, low in smoke, free of toxin and long in service life, and can meet the requirements of outdoor temperature control and installation environment heating.
Description
Technical field
The invention belongs to field of cable technology is and in particular to a kind of flame-proof weather-resisting ptc CABLE MATERIALS and preparation method.
Background technology
Ptc (positive temperature coefficient), means positive temperature coefficient.There is the material of ptc effect
When exceeding uniform temperature, its resistance value can assume increasing of step evolution to material.Just because of this kind of special property, ptc material
Material is widely used in the fields such as temperature control, heating, especially for production heat tracing tape cable.
At present, the macromolecule being commonly used to prepare ptc material is polyethylene, and adds substantial amounts of white carbon black to fill out as conduction
Fill, this just cause material mostly be rigidity, lack softness can winding capacity, limit its use in mobile field；And gather
The oxygen index (OI) of vinyl is relatively low, need to add a large amount of fire retardants for improving fire resistance.So providing one kind can solve against weather
Can be necessary with the CABLE MATERIALS of poor fire.
Content of the invention
1st purpose of the present invention is to provide a kind of flame-proof weather-resisting ptc CABLE MATERIALS.
2nd purpose of the present invention is the preparation method of above-mentioned flame-proof weather-resisting ptc CABLE MATERIALS.
To achieve these goals, the invention provides a kind of flame-proof weather-resisting ptc CABLE MATERIALS, by the material of following weight portion
Composition:
Described thermoplastic polyurethane tpu is polyester-type, and model is selected from wht-1385, in wht-1390, wht-1395
Plant or multiple.
The preparation of described maleic anhydride inoculated polypropylene pp-g-mah is with reference to " reactive extrursion prepares maleic anhydride grafting poly- third
The progress of alkene ".
Described ethylene-vinyl acetate copolymer eva, model be selected from eva-250, one of eva-260, eva-265 or
Multiple.
The thickness of described graphene microchip gnps is 5-15nm, a diameter of 0.1-5um, and carbon content is not less than 98wt%.
Described compatilizer is decamethylene diamine c10h24n2, because the amine sense being more nearly containing the polarity with tpu in decamethylene diamine
Group, can strengthen the interaction of pp and tpu so that pp is distributed than more uniform in tpu.
Described fire retardant is diethyl ethylphosphate deep, and flame retarding efficiency is high, low toxicity or nontoxic, odorless, does not pollute.
Described UV absorbent is uv531 or uv327, and the nontoxic, compatibility is good, animal migration is little, easy to process.
Described antioxidant is antioxidant 1010 or antioxidant 1076.
A kind of preparation method of flame-proof weather-resisting ptc CABLE MATERIALS, comprises the following steps:
Step one: maleic anhydride inoculated polypropylene pp-g-mah is melted by formula proportion double screw extruder with compatilizer
Melt blending, extrude dry particle；
Step 2: according to formula by the dry particle obtaining in thermoplastic polyurethane tpu, step one, ethene-vinyl acetate
Copolymer eva, graphene microchip gnps, fire retardant, antioxidant, UV absorbent, lubricant mix in high-speed mixer
5-10min；
Step 3: above-mentioned compound is sent into double screw extruder, melt blending, extruding pelletization；It is obtained a kind of fire-retardant resistance to
Wait ptc CABLE MATERIALS.
Beneficial effects of the present invention: the present invention proposes a kind of flame-proof weather-resisting ptc CABLE MATERIALS and preparation method, solves existing
Ptc CABLE MATERIALS weather-resistant property and a difficult problem for poor fire, have the advantages that softness, long service life simultaneously, disclosure satisfy that room
The installation environments such as outer temperature control, heating require.
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that it is described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.In embodiment, thermoplastic polyurethane tpu is
Wanhua Chemical Group Co., Ltd.'s product, ethylene-vinyl acetate copolymer eva is E.I.Du Pont Company's product, graphene microchip
Gnps, decamethylene diamine, antioxidant, UV absorbent, zinc stearate are commercially available product.
Embodiment 1
A kind of flame-proof weather-resisting ptc CABLE MATERIALS, by the material composition of following weight portion:
100 parts of thermoplastic polyurethane tpu wht-1385,25 parts of maleic anhydride inoculated polypropylene pp-g-mah, ethylene-
10 parts of acetate ethylene copolymer eva-250,10 parts of graphene microchip gnps, decamethylene diamine c10h24n25 parts, ethylphosphonic acid diethyl
3 parts of ester deep, 5 parts of antioxidant 1010,0.5 part of uv531,1.5 parts of zinc stearate.
A kind of flame-proof weather-resisting ptc CABLE MATERIALS, its preparation methods steps are as follows:
Step one: maleic anhydride inoculated polypropylene pp-g-mah is melted by formula proportion double screw extruder with decamethylene diamine
Melt blending, extrude dry particle；
Step 2: according to formula by the dry particle obtaining in thermoplastic polyurethane tpu wht-1385, step one, second
Alkene-acetate ethylene copolymer eva-250, graphene microchip gnps, diethyl ethylphosphate deep, antioxidant 1010, uv531,
Zinc stearate mixes 5min in high-speed mixer；
Step 3: above-mentioned compound is sent into double screw extruder, melt blending, extruding pelletization；It is obtained a kind of fire-retardant resistance to
Wait ptc CABLE MATERIALS.
Embodiment 2
A kind of flame-proof weather-resisting ptc CABLE MATERIALS, by the material composition of following weight portion:
100 parts of thermoplastic polyurethane tpu wht-1390,20 parts of maleic anhydride inoculated polypropylene pp-g-mah, ethylene-
12 parts of acetate ethylene copolymer eva-260,10 parts of graphene microchip gnps, decamethylene diamine c10h24n25 parts, ethylphosphonic acid diethyl
3 parts of ester deep, 4 parts of antioxidant 1076,0.5 part of uv327,1 part of zinc stearate.
A kind of flame-proof weather-resisting ptc CABLE MATERIALS, its preparation methods steps are as follows:
Step one: maleic anhydride inoculated polypropylene pp-g-mah is melted by formula proportion double screw extruder with decamethylene diamine
Melt blending, extrude dry particle；
Step 2: according to formula by the dry particle obtaining in thermoplastic polyurethane tpu wht-1390, step one, second
Alkene-acetate ethylene copolymer eva-260, graphene microchip gnps, diethyl ethylphosphate deep, antioxidant 1076, uv327,
Zinc stearate mixes 8min in high-speed mixer；
Step 3: above-mentioned compound is sent into double screw extruder, melt blending, extruding pelletization；It is obtained a kind of fire-retardant resistance to
Wait ptc CABLE MATERIALS.
Embodiment 3
A kind of flame-proof weather-resisting ptc CABLE MATERIALS, by the material composition of following weight portion:
100 parts of thermoplastic polyurethane tpu wht-1395,30 parts of maleic anhydride inoculated polypropylene pp-g-mah, ethylene-
15 parts of acetate ethylene copolymer eva-265, graphene microchip gnps 12, decamethylene diamine c10h24n25 parts, diethyl ethylphosphate
3 parts of deep, 5 parts of antioxidant 1010,0.7 part of uv531,2 parts of zinc stearate.
A kind of flame-proof weather-resisting ptc CABLE MATERIALS, its preparation methods steps are as follows:
Step one: maleic anhydride inoculated polypropylene pp-g-mah is melted by formula proportion double screw extruder with decamethylene diamine
Melt blending, extrude dry particle；
Step 2: according to formula by the dry particle obtaining in thermoplastic polyurethane tpu wht-1395, step one, second
Alkene-acetate ethylene copolymer eva-265, graphene microchip gnps, diethyl ethylphosphate deep, antioxidant 1010, uv531,
Zinc stearate mixes 10min in high-speed mixer；
Step 3: above-mentioned compound is sent into double screw extruder, melt blending, extruding pelletization；It is obtained a kind of fire-retardant resistance to
Wait ptc CABLE MATERIALS.
Test example
1st, resistance to artificial weathering test
The cable of embodiment 1 to 3 carries out resistance to artificial weathering test: cuts sufficient length from the end of tested cable
Cable, take out conductor, make 3 groups of samples.First group is maintained at shady and cool drying, puts in xenon lamp climate box for second group, the
Put into after on-test 504h for three groups；Take out sample after 1008h, place 16h in test room temperature environment, three before and after mensure is aging
Group sample volume tensile strength and elongation at break.
Embodiment 1: after aging 42 days, tensile strength change+11%, elongation at break rate of change -8%；Aging 42 days
Compared with 21 days, tensile strength change+5%, elongation at break rate of change -3%.
Embodiment 2: after aging 42 days, tensile strength change+12%, elongation at break rate of change -9%；Aging 42 days
Compared with 21 days, tensile strength change+6%, elongation at break rate of change -4%.
Embodiment 3: after aging 42 days, tensile strength change+9%, elongation at break rate of change -6%；Aging 42 days with
Compare within 21 days, tensile strength change+4%, elongation at break rate of change -2%.
2nd, the horizontal fire retardancy test of ft2
By ul 2556, the horizontal fire retardancy test of ft2 is carried out to the cable of embodiment 1 to 3.
Embodiment 1: apart from 40mm, do not ignite cotton layer for carbonization.
Embodiment 2: apart from 45mm, do not ignite cotton layer for carbonization.
Embodiment 3: apart from 43mm, do not ignite cotton layer for carbonization.
Claims (9)
1. a kind of flame-proof weather-resisting ptc CABLE MATERIALS is it is characterised in that material composition by following weight portion:
2. a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 it is characterised in that: described thermoplastic polyurethane tpu
For polyester-type, model is selected from wht-1385, one or more of wht-1390, wht-1395.
3. a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 it is characterised in that: described ethene-vinyl acetate is altogether
Polymers eva, model is selected from eva-250, one or more of eva-260, eva-265.
4. a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 it is characterised in that: described graphene microchip gnps
Thickness be 5-15nm, a diameter of 0.1-5um, carbon content be not less than 98wt%.
5. a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 it is characterised in that: described compatilizer be decamethylene diamine
c10h24n2.
6. a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 it is characterised in that: described fire retardant be ethyl phosphine
Diethyl phthalate deep.
7. a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 it is characterised in that: described UV absorbent is
Uv531 or uv327.
8. a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 it is characterised in that: described antioxidant be antioxidant
1010 or antioxidant 1076.
9. the preparation method of a kind of flame-proof weather-resisting ptc CABLE MATERIALS according to claim 1 to 8 any one, its feature exists
In comprising the following steps:
Step one: maleic anhydride inoculated polypropylene pp-g-mah is pressed the melting of formula proportion double screw extruder altogether with compatilizer
Mixed, extrude dry particle；
Step 2: according to formula by the dry particle obtaining in thermoplastic polyurethane tpu, step one, ethene-vinyl acetate copolymerization
Thing eva, graphene microchip gnps, fire retardant, antioxidant, UV absorbent, lubricant mix 5- in high-speed mixer
10min；
Step 3: above-mentioned compound is sent into double screw extruder, melt blending, extruding pelletization；A kind of flame-proof weather-resisting ptc is obtained
CABLE MATERIALS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610756216.XA CN106336646A (en) | 2016-08-30 | 2016-08-30 | Flame-retardant weather-resistant PTC cable material and preparation method |
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| CN201610756216.XA CN106336646A (en) | 2016-08-30 | 2016-08-30 | Flame-retardant weather-resistant PTC cable material and preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178912A (en) * | 2017-12-29 | 2018-06-19 | 上海至正道化高分子材料股份有限公司 | A kind of charging pile cable 125 DEG C of thermoplasticity high-performance refractory environment-friendly polyurethane protective cover materials and preparation method |
| CN111138830A (en) * | 2018-11-05 | 2020-05-12 | 苏州市朗腾工贸有限公司 | Flame-retardant elastomer automobile sheath material and processing technology |
| CN113881217A (en) * | 2021-10-08 | 2022-01-04 | 广州敬信高聚物科技有限公司 | Scratch-resistant flame-retardant thermoplastic polyurethane material and preparation method and application thereof |
| CN114974737A (en) * | 2022-05-30 | 2022-08-30 | 珠海思科信电线电缆有限公司 | Corrosion-resistant high-flexibility coaxial cable and preparation process thereof |
| CN115260746A (en) * | 2022-08-31 | 2022-11-01 | 广东安拓普聚合物科技有限公司 | Corrosion-resistant oil-resistant shore power cable sheath material and preparation method thereof |
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| CN104672731A (en) * | 2015-01-20 | 2015-06-03 | 江苏上上电缆集团有限公司 | Low temperature resistant oil-proof type halogen-free flame retardant cable material |
| CN105542434A (en) * | 2016-01-21 | 2016-05-04 | 苏州法斯特信息科技有限公司 | PU/EVA composite plastic material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108178912A (en) * | 2017-12-29 | 2018-06-19 | 上海至正道化高分子材料股份有限公司 | A kind of charging pile cable 125 DEG C of thermoplasticity high-performance refractory environment-friendly polyurethane protective cover materials and preparation method |
| CN111138830A (en) * | 2018-11-05 | 2020-05-12 | 苏州市朗腾工贸有限公司 | Flame-retardant elastomer automobile sheath material and processing technology |
| CN113881217A (en) * | 2021-10-08 | 2022-01-04 | 广州敬信高聚物科技有限公司 | Scratch-resistant flame-retardant thermoplastic polyurethane material and preparation method and application thereof |
| CN114974737A (en) * | 2022-05-30 | 2022-08-30 | 珠海思科信电线电缆有限公司 | Corrosion-resistant high-flexibility coaxial cable and preparation process thereof |
| CN114974737B (en) * | 2022-05-30 | 2023-01-06 | 珠海思科信电线电缆有限公司 | Corrosion-resistant high-flexibility coaxial cable and preparation process thereof |
| CN115260746A (en) * | 2022-08-31 | 2022-11-01 | 广东安拓普聚合物科技有限公司 | Corrosion-resistant oil-resistant shore power cable sheath material and preparation method thereof |
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