CN105254996A - Preparation method for electric wires - Google Patents
Preparation method for electric wires Download PDFInfo
- Publication number
- CN105254996A CN105254996A CN201510866621.2A CN201510866621A CN105254996A CN 105254996 A CN105254996 A CN 105254996A CN 201510866621 A CN201510866621 A CN 201510866621A CN 105254996 A CN105254996 A CN 105254996A
- Authority
- CN
- China
- Prior art keywords
- electric wire
- base material
- parts
- slurry
- weight part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
- 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
- C08L2312/00—Crosslinking
- C08L2312/08—Crosslinking by silane
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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)
- Insulated Conductors (AREA)
Abstract
The invention discloses a preparation method for electric wires. The preparation method comprises the following steps that 1, 3-5 parts by weight of a flame retardant and 2 parts by weight of water-insoluble glue are mixed to prepare size A; 2, 30-50 parts by weight of polyolefin resin and 3-5 parts by weight of a metal oxide are mixed to prepare size B; 3, an insulated electric wire base material is taken and immersed in the size A obtained in the first step for 1-10 h, taken out and then dried to prepare a flame-retardant insulated electric wire base material; 4, the flame-retardant insulated electric wire base material is immersed in the size B obtained in the second step for 1-10 h, basic granulation is performed in a double-screw extruder, and then granules are conveyed into an electric wire mold to form the electric wires through drawing.
Description
Technical field
The invention belongs to technical field of polymer composite materials, be specifically related to a kind of preparation method of electric wire.
Technical background
Owing to being rich in activated tertiary carbon atom in polyethylene wire and cable, these tertiary carbon atoms can cause decomposition under the change of illumination or external environment, cause material rapid ageing.So, need in polyethylene wire and cable Material Manufacturing Process to add a large amount of antioxidants, use and eliminate spontaneous tertiary carbon free radical.A large amount of tertiary carbon atoms can be made to be crosslinked by crosslinking Treatment fixing, increase the network structure of material, improve heat resistance and the weather resistance of material; Meanwhile, silane is a kind of well raw material, can make the goods of making not only softness but also attractive in appearance.
Given this, at present, industry all efforts be made so that the exploration that this two large strong point has both, and the applicant is no exception, and technical scheme described below produces based under this prerequisite.
Summary of the invention
The object of this invention is to provide a kind of preparation method of electric wire, this wire cable material has excellent flexibility and flame retardant resistance, desirable breaking tenacity and elongation at break.
Task of the present invention has been come like this, and a kind of preparation method of electric wire, comprises following steps:
The water-insoluble glue mixing that weight part is the fire retardant of 3-5 by step one, weight part is 2, is made into slurry A;
Weight part is the polyolefin resin of 30-50 by step 2, and weight part is the metal oxide mixing of 3-5, is made into slurry B;
Step 3, gets insulated line base material, submergence 1-10h in the slurry A of step one, takes out, then carries out drying and processing, make flame-retardant insulating electric wire base material;
Step 4, by flame-retardant insulating electric wire base material submergence 1-10h in the slurry B of step 2, basic granulation in twin screw extruder, then forms electric wire by granulation conveying such as pull in wire mold.
Preferably, described insulated line base material comprises following component:
Polyolefin resin 30 ~ 80 parts;
Ethylene-vinyl acetate resin 120 ~ 300 parts;
15 ~ 25 parts, silane.
In a specific embodiment of the present invention, described polyolefin resin is the ethylene-propylene copolymer of metallocene catalysis.
In another specific embodiment of the present invention, described ethylene-vinyl acetate resin is that in molecule, vinyl acetate content is the ethene-vinyl acetate copolymer resins of 30 ~ 40%.
In another specific embodiment of the present invention, described silane is vinyltriethoxysilane and/or vinyltrimethoxy silane.
The polyolefin electric wire and cable material of the halogen-free flameproof of crosslinked with silicane provided by the invention has soft feel (hardness <shoreA>75-86), good flame retardant resistance (reaching V-O level <UL-94-1.5mm>), breaking tenacity (MPA) and elongation at break (%) reach 14-17.2 and 160-190 respectively, are applicable to producing the cord such as supply lead and transmission line series products.
Embodiment
Embodiment 1:
A preparation method for electric wire, comprises following steps:
The water-insoluble glue mixing that weight part is the fire retardant of 3 by step one, weight part is 2, is made into slurry A;
Weight part is the polyolefin resin of 50 by step 2, and weight part is the metal oxide mixing of 5, is made into slurry B;
Step 3, gets insulated line base material, submergence 6h in the slurry A of step one, takes out, then carries out drying and processing, make flame-retardant insulating electric wire base material;
Step 4, by flame-retardant insulating electric wire base material submergence 5h in the slurry B of step 2, basic granulation in twin screw extruder, then forms electric wire by granulation conveying such as pull in wire mold.
Preferably, described insulated line base material comprises following component:
Polyolefin resin 30 parts;
Ethylene-vinyl acetate resin 300 parts;
15 parts, silane.
Embodiment 2:
A preparation method for electric wire, comprises following steps:
The water-insoluble glue mixing that weight part is the fire retardant of 3 by step one, weight part is 2, is made into slurry A;
Weight part is the polyolefin resin of 30 by step 2, and weight part is the metal oxide mixing of 3, is made into slurry B;
Step 3, gets insulated line base material, submergence 10h in the slurry A of step one, takes out, then carries out drying and processing, make flame-retardant insulating electric wire base material;
Step 4, by flame-retardant insulating electric wire base material submergence 10h in the slurry B of step 2, basic granulation in twin screw extruder, then forms electric wire by granulation conveying such as pull in wire mold.
Preferably, described insulated line base material comprises following component:
Polyolefin resin 80 parts;
Ethylene-vinyl acetate resin 300 parts;
25 parts, silane.
Those skilled in the art should understand the present invention and not be restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (2)
1. a preparation method for electric wire, is characterized in that, comprises following steps:
The water-insoluble glue mixing that weight part is the fire retardant of 3-5 by step one, weight part is 2, is made into slurry A;
Weight part is the polyolefin resin of 30-50 by step 2, and weight part is the metal oxide mixing of 3-5, is made into slurry B;
Step 3, gets insulated line base material, submergence 1-10h in the slurry A of step one, takes out, then carries out drying and processing, make flame-retardant insulating electric wire base material;
Step 4, by flame-retardant insulating electric wire base material submergence 1-10h in the slurry B of step 2, basic granulation in twin screw extruder, then forms electric wire by granulation conveying such as pull in wire mold.
2. the preparation method of wire cable material according to claim 1, is characterized in that: described insulated line base material comprises following component:
Polyolefin resin 30 ~ 80 parts;
Ethylene-vinyl acetate resin 120 ~ 300 parts;
15 ~ 25 parts, silane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866621.2A CN105254996A (en) | 2015-12-01 | 2015-12-01 | Preparation method for electric wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510866621.2A CN105254996A (en) | 2015-12-01 | 2015-12-01 | Preparation method for electric wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105254996A true CN105254996A (en) | 2016-01-20 |
Family
ID=55094963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510866621.2A Pending CN105254996A (en) | 2015-12-01 | 2015-12-01 | Preparation method for electric wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105254996A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105988A (en) * | 2006-07-12 | 2008-01-16 | 上海新时达电线电缆有限公司 | Mouse-preventing termite-proof halogen-free flame-retarding environment-friendly low smoke cable for electric lift control |
| CN101798416A (en) * | 2010-01-29 | 2010-08-11 | 上海斯瑞聚合体科技有限公司 | Irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin cable material for photovoltaic cable |
| CN101880417A (en) * | 2010-06-29 | 2010-11-10 | 武汉新天地特种电缆有限公司 | Silane crosslinked halogen-free flame-retardant polyethylene cable material and preparation method thereof |
| CN102304254A (en) * | 2011-08-18 | 2012-01-04 | 常熟泓淋电线电缆有限公司 | Silane crosslinked halogen-free flame-retarding polyolefin wire and cable material |
-
2015
- 2015-12-01 CN CN201510866621.2A patent/CN105254996A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105988A (en) * | 2006-07-12 | 2008-01-16 | 上海新时达电线电缆有限公司 | Mouse-preventing termite-proof halogen-free flame-retarding environment-friendly low smoke cable for electric lift control |
| CN101798416A (en) * | 2010-01-29 | 2010-08-11 | 上海斯瑞聚合体科技有限公司 | Irradiation crosslinking type low-smoke halogen-free flame-retardant polyolefin cable material for photovoltaic cable |
| CN101880417A (en) * | 2010-06-29 | 2010-11-10 | 武汉新天地特种电缆有限公司 | Silane crosslinked halogen-free flame-retardant polyethylene cable material and preparation method thereof |
| CN102304254A (en) * | 2011-08-18 | 2012-01-04 | 常熟泓淋电线电缆有限公司 | Silane crosslinked halogen-free flame-retarding polyolefin wire and cable material |
Non-Patent Citations (1)
| Title |
|---|
| 王文广 等: "《塑料配方设计》", 31 July 2007, 化学工业出版社 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |