CN106317543A - Preparation method of flame-retardant cable sheath material - Google Patents
Preparation method of flame-retardant cable sheath material Download PDFInfo
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- CN106317543A CN106317543A CN201510361992.5A CN201510361992A CN106317543A CN 106317543 A CN106317543 A CN 106317543A CN 201510361992 A CN201510361992 A CN 201510361992A CN 106317543 A CN106317543 A CN 106317543A
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- parts
- polyethylene
- preparation
- cable sheath
- sheath material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethylene
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a preparation method of a flame-retardant cable sheath material, and relates to the technical field of cable materials. The flame-retardant cable sheath material preparation method comprises the following steps: (1) the following materials are prepared: 70-80 parts of ultrahigh-molecular-weight polyethylene, 10-30 parts of chlorinated polyethylene, 20-30 parts of polyethylene, 10-30 parts of an ethylene-vinyl acetate copolymer, 10-15 parts of nylon, 30-50 parts of a flame retardant, 1-10 parts of a synergistic flame retardant, 6.5-19.5 parts of a compatilizer, 0.2-2 parts of a heat stabilizer, 0.3-1 part of a processing aid, 1-3 parts of an anti-aging agent, and 2-4 parts of an accelerator; (2) the above raw materials are weighed according to the formula, and are added into a twin-screw extruder with a length-diameter ratio of (40-50):1; the retardant is weighed according to the formula and is added into the twin-screw extruder through a side feeding port; mixing is carried out under a temperature of 170-200 DEG C; and extrusion, drawing, cooling and pelletizing are carried out, such that a product is obtained. The product provided by the invention has high tear resistance and relatively low hardness. The cable sheath material is soft, and can be widely applied. The formula is simple, and the preparation method is simple and feasible.
Description
Technical field
The present invention relates to a kind of CABLE MATERIALS, be specifically related to a kind of halogen-free flame-proof cable sheath material, belong to technical field of cable.
Background technology
Publication No. 101875735A, publication date are that the Chinese invention patent on November 3rd, 2010 discloses a kind of halogen-free flame-proof cable sheath material, it is characterized in that, the percentage by weight of its composition and each composition is as follows: polyethylene 10%～30%, ethylene-vinyl acetate co-polymer 10%～30%, fire retardant 30%～50%, synergistic flame retardant 1%～10%, compatilizer 6.5%～19.5%, heat stabilizer 0.2%～2%, processing aid 0.3%～1%, above-mentioned composition and ratio sum is 100%.Using the protective cover material of above-mentioned formula, although without halogen, but hardness is little, the most tear-resistant, service life is short, is easily damaged.
Accordingly, it would be desirable to a kind of new fire retardant jacket preparation method for material.
Summary of the invention
It is an object of the invention to provide a kind of flame-proof cable sheath material, the tear-resistant intensity of this product is high, and hardness is less, and cable sheath material is soft, is widely used, and formula is simple, preparation method simple possible.
It is an object of the invention to be achieved through the following technical solutions, the preparation method of flame-proof cable sheath material, comprise the following steps:
(1) dispensing:
Ultra-high molecular weight polyethylene 70-80 part
Chlorinated polyethylene 10-30 part
Polyethylene 20-30 part
Ethylene-vinyl acetate copolymer
10-30 part
Nylon 10-15 part
Fire retardant 30-50 part
Synergistic flame retardant 1-10 part
Compatilizer 6.5-19.5 part
Heat stabilizer 0.2-2 part
Processing aid 0.3-1 part
Age resistor 1-3 part
Accelerator 2-4 part；
(2) add draw ratio after described ultra-high molecular weight polyethylene, chlorinated polyethylene, polyethylene, ethylene-vinyl acetate co-polymer, synergistic flame retardant, compatilizer, heat stabilizer and processing aid being weighed by proportioning and be (40～50): in the double screw extruder of 1, be added thereto from the side spout of double screw extruder after fire retardant is weighed by proportioning；Then mixing, extrusion, tie rod, cooling, pelletizing are carried out at 170～200 DEG C.
Preferably, the composition of described protective cover material and the percentage by weight of each composition are as follows:
Ultra-high molecular weight polyethylene 75-80 part
Chlorinated polyethylene 20-29 part
Polyethylene 26-28 part
Ethylene-vinyl acetate copolymer
15-25 part
Nylon 12-14 part
Fire retardant 30-50 part
Synergistic flame retardant 5-8 part
Compatilizer 8-10 part
Heat stabilizer 1-1.5 part
Processing aid 0.5-0.7 part
Age resistor 1.5-2.5 part
Accelerator 2.5-3 part.
Preferably, the molecular weight of described ultra-high molecular weight polyethylene is more than 10,000,000.
Preferably, described polyethylene be molecular weight be the linear low density polyethylene of 20-50 ten thousand.
Preferably, described ethylene-vinyl acetate copolymer is to be 20-30% containing vinylacetate
The copolymer of percentage by weight.
Compared with prior art, the method have the advantages that there is flame retardant effect, good processing characteristics and the comprehensive mechanical property of excellence and higher heat resisting temperature, can be used as subway, skyscraper, market, theater, electric station, chemical plant, city square and the cable jacket material of other occasions high to cable low smoke and zero halogen requirement, have broad application prospects.
Detailed description of the invention
Embodiment 1
The preparation method of flame-proof cable sheath material, comprises the following steps:
(1) dispensing:
Ultra-high molecular weight polyethylene 70-80 part
Chlorinated polyethylene 10-30 part
Polyethylene 20-30 part
Ethylene-vinyl acetate copolymer
10-30 part
Nylon 10-15 part
Fire retardant 30-50 part
Synergistic flame retardant 1-10 part
Compatilizer 6.5-19.5 part
Heat stabilizer 0.2-2 part
Processing aid 0.3-1 part
Age resistor 1-3 part
Accelerator 2-4 part.
(2) add draw ratio after ultra-high molecular weight polyethylene, chlorinated polyethylene, polyethylene, ethylene-vinyl acetate co-polymer, synergistic flame retardant, compatilizer, heat stabilizer and processing aid being weighed by proportioning and be (40～50): in the double screw extruder of 1, be added thereto from the side spout of double screw extruder after fire retardant is weighed by proportioning；Then mixing, extrusion, tie rod, cooling, pelletizing are carried out at 170～200 DEG C.
Embodiment 2
The preparation method of flame-proof cable sheath material, comprises the following steps:
(1) dispensing:
Ultra-high molecular weight polyethylene 75-80 part
Chlorinated polyethylene 20-29 part
Polyethylene 26-28 part
Ethylene-vinyl acetate copolymer
15-25 part
Nylon 12-14 part
Fire retardant 30-50 part
Synergistic flame retardant 5-8 part
Compatilizer 8-10 part
Heat stabilizer 1-1.5 part
Processing aid 0.5-0.7 part
Age resistor 1.5-2.5 part
Accelerator 2.5-3 part.
(2) add after ultra-high molecular weight polyethylene, chlorinated polyethylene, polyethylene, ethylene-vinyl acetate co-polymer, synergistic flame retardant, compatilizer, heat stabilizer and processing aid being weighed by proportioning in the double screw extruder that draw ratio is 50:1, be added thereto from the side spout of double screw extruder after fire retardant is weighed by proportioning；Then mixing, extrusion, tie rod, cooling, pelletizing are carried out at 170 DEG C.
Embodiment 3
The preparation method of flame-proof cable sheath material, comprises the following steps:
(1) dispensing:
Ultra-high molecular weight polyethylene 70 parts
Chlorinated polyethylene 10 parts
Polyethylene 20 parts
Ethylene-vinyl acetate copolymer 10 parts
Nylon 10 parts
Fire retardant 30 parts
Synergistic flame retardant 1 part
Compatilizer 6.5 parts
Heat stabilizer 0.2 part
Processing aid 0.3 part
1 part of age resistor
Accelerator 2 parts.
(2) add after ultra-high molecular weight polyethylene, chlorinated polyethylene, polyethylene, ethylene-vinyl acetate co-polymer, synergistic flame retardant, compatilizer, heat stabilizer and processing aid being weighed by proportioning in the double screw extruder that draw ratio is 40:1, be added thereto from the side spout of double screw extruder after fire retardant is weighed by proportioning；Then mixing, extrusion, tie rod, cooling, pelletizing are carried out at 200 DEG C.
Embodiment 4
The preparation method of flame-proof cable sheath material, comprises the following steps:
(1) dispensing:
Ultra-high molecular weight polyethylene 80 parts
Chlorinated polyethylene 30 parts
Polyethylene 30 parts
Ethylene-vinyl acetate copolymer 30 parts
Nylon 15 parts
Fire retardant 50 parts
Synergistic flame retardant 10 parts
Compatilizer 19.5 parts
Heat stabilizer 2 parts
Processing aid 1 part
3 parts of age resistor
Accelerator 4 parts.
(2) add after ultra-high molecular weight polyethylene, chlorinated polyethylene, polyethylene, ethylene-vinyl acetate co-polymer, synergistic flame retardant, compatilizer, heat stabilizer and processing aid being weighed by proportioning in the double screw extruder that draw ratio is 43:1, be added thereto from the side spout of double screw extruder after fire retardant is weighed by proportioning；Then mixing, extrusion, tie rod, cooling, pelletizing are carried out at 180 DEG C.
Embodiment 5
The preparation method of flame-proof cable sheath material, comprises the following steps:
(1) dispensing:
Ultra-high molecular weight polyethylene 74 parts
Chlorinated polyethylene 22 parts
Polyethylene 26 parts
Ethylene-vinyl acetate copolymer 18 parts
Nylon 16 parts
Fire retardant 42 parts
Synergistic flame retardant 8 parts
Compatilizer 13 parts
Heat stabilizer 1 part
Processing aid 0.6 part
2 parts of age resistor
Accelerator 3 parts.
(2) add after ultra-high molecular weight polyethylene, chlorinated polyethylene, polyethylene, ethylene-vinyl acetate co-polymer, synergistic flame retardant, compatilizer, heat stabilizer and processing aid being weighed by proportioning in the double screw extruder that draw ratio is 46:1, be added thereto from the side spout of double screw extruder after fire retardant is weighed by proportioning；Then mixing, extrusion, tie rod, cooling, pelletizing are carried out at 190 DEG C.
Claims (5)
1. the preparation method of flame-proof cable sheath material, it is characterised in that described preparation method, comprises the following steps:
(1) dispensing: the composition of described protective cover material and the percentage by weight of each composition are as follows:
Ultra-high molecular weight polyethylene
70-80 part
Chlorinated polyethylene 10-30 part
Polyethylene
20-30 part
Ethylene-vinyl acetate copolymer 10-30 part
Nylon
10-15 part
Fire retardant 30-50 part
Synergistic flame retardant 1-10 part
Compatilizer 6.5-19.5 part
Heat stabilizer 0.2-2 part
Processing aid 0.3-1 part
Age resistor
1-3 part
Accelerator
2-4 part；
(2) add draw ratio after the ultra-high molecular weight polyethylene of described formula ratio, chlorinated polyethylene, polyethylene, ethylene-vinyl acetate co-polymer, synergistic flame retardant, compatilizer, heat stabilizer and processing aid being weighed by proportioning and be (40～50): in the double screw extruder of 1, be added thereto from the side spout of double screw extruder after fire retardant is weighed by proportioning；Then mixing, extrusion, tie rod, cooling, pelletizing are carried out at 170～200 DEG C.
The preparation method of halogen-free flame-proof cable sheath material the most according to claim 1, is characterized in that, the composition of described protective cover material and the percentage by weight of each composition are as follows:
Ultra-high molecular weight polyethylene
75-80 part
Chlorinated polyethylene 20-29 part
Polyethylene
26-28 part
Ethylene-vinyl acetate copolymer 15-25 part
Nylon
12-14 part
Fire retardant 30-50 part
Synergistic flame retardant 5-8 part
Compatilizer 8-10 part
Heat stabilizer 1-1.5 part
Processing aid 0.5-0.7 part
Age resistor
1.5-2.5 part
Accelerator
2.5-3 part.
The preparation method of halogen-free flame-proof cable sheath material the most according to claim 1 and 2, it is characterised in that the molecular weight of described ultra-high molecular weight polyethylene is more than 10,000,000.
The preparation method of halogen-free flame-proof cable sheath material the most according to claim 1 and 2, it is characterised in that described polyethylene be molecular weight be the linear low density polyethylene of 20-50 ten thousand.
The preparation method of halogen-free flame-proof cable sheath material the most according to claim 1 and 2, it is characterised in that described ethylene-vinyl acetate copolymer is containing the copolymer that vinylacetate is 20-30% percentage by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510361992.5A CN106317543A (en) | 2015-06-29 | 2015-06-29 | Preparation method of flame-retardant cable sheath material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510361992.5A CN106317543A (en) | 2015-06-29 | 2015-06-29 | Preparation method of flame-retardant cable sheath material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106317543A true CN106317543A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510361992.5A Pending CN106317543A (en) | 2015-06-29 | 2015-06-29 | Preparation method of flame-retardant cable sheath material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325449A (en) * | 2017-08-04 | 2017-11-07 | 安徽远征电缆科技有限公司 | A kind of cable anti-fracture protection cover material and preparation method thereof |
| CN107325415A (en) * | 2017-08-02 | 2017-11-07 | 安徽华通电缆集团有限公司 | A kind of tensile cable sheath |
| CN107603064A (en) * | 2017-09-27 | 2018-01-19 | 中玺新材料（安徽）有限公司 | A kind of ultra-high molecular weight polyethylene cored wire material formula |
| CN109517244A (en) * | 2017-09-20 | 2019-03-26 | 江苏亨通电力电缆有限公司 | Heat resistant type extendible capacity optical fiber composite low-voltage cable |
-
2015
- 2015-06-29 CN CN201510361992.5A patent/CN106317543A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107325415A (en) * | 2017-08-02 | 2017-11-07 | 安徽华通电缆集团有限公司 | A kind of tensile cable sheath |
| CN107325449A (en) * | 2017-08-04 | 2017-11-07 | 安徽远征电缆科技有限公司 | A kind of cable anti-fracture protection cover material and preparation method thereof |
| CN109517244A (en) * | 2017-09-20 | 2019-03-26 | 江苏亨通电力电缆有限公司 | Heat resistant type extendible capacity optical fiber composite low-voltage cable |
| CN107603064A (en) * | 2017-09-27 | 2018-01-19 | 中玺新材料（安徽）有限公司 | A kind of ultra-high molecular weight polyethylene cored wire material formula |
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Application publication date: 20170111 |