CN106496734A - The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant - Google Patents
The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant Download PDFInfo
- Publication number
- CN106496734A CN106496734A CN201610920703.5A CN201610920703A CN106496734A CN 106496734 A CN106496734 A CN 106496734A CN 201610920703 A CN201610920703 A CN 201610920703A CN 106496734 A CN106496734 A CN 106496734A
- Authority
- CN
- China
- Prior art keywords
- retardant
- shrink tube
- environmental
- pressed
- production method
- 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.)
- Pending
Links
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
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2423/08—Copolymers of ethene
-
- 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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/06—Crosslinking by radiation
Abstract
The present invention relates to the production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant, first with the double screw extruder mixing granulator with banbury, extruded using the pellet that single screw extrusion machine will result in, shaping pipe is obtained, tubing is carried out expansion sizing then；Before expansion sizing, by tubing again through electron accelerator 50～150KGy crosslinkings with radiation.The present invention is processed to shaping pipe using crosslinking with radiation technology before expansion sizing, and there is the heat-shrink tube that makes the performances such as good fire-retardant, mechanical, insulation, wear-resisting, heat-proof aging, crosslinking with radiation significantly to improve the mechanical performance and fire resistance of product., during production, accumulating, use, environmentally safe is harmless for the heat-shrink tube, will not produce pernicious gas during burning, is a kind of Green Product.
Description
Technical field
The present invention relates to fire retardant thermal shrinkage tube production technical field, presses polyolefin in more particularly to a kind of environment-friendly halogen-free flame-proof
The production technology of heat-shrink tube.
Background technology
Material contracting with heat is subject to extensive because which is intelligent, highly reliable, easy to use in electric power, traffic and automotive field
Application, with the quickening of urbanization process, the upgrading of trackage, growing, the domestic market of national economy
For the demand of high-performance material contracting with heat progressively expands.
At present, the market share major part of high-performance material contracting with heat is still occupied by offshore company, expensive.Therefore
The development of high-performance material contracting with heat is extremely urgent.Traditional material contracting with heat is most of to adopt thermoplastic elastomer or elastic system
Standby, therefore the collection of relevant raw materials limits its range of application in a large number by import.The extensive polyolefine material system of application
The research of standby cable is more, but material contracting with heat has higher requirement compared with cable material to performance.
Content of the invention
It is an object of the invention to provide the production method of heat-shrink tube is pressed in a kind of environmental-protection flame-retardant polyolefin, make the heat-shrink tube
There is the performances such as good fire-retardant, mechanical, insulation, wear-resisting and heat-proof aging, disclosure satisfy that electric power standard demand.
For reaching above-mentioned purpose, the technical scheme that the present invention is provided is：
The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant, is comprised the steps：
(1) each raw material is sufficiently mixed through high-speed mixer, is first kneaded with the parallel double-screw extruder with banbury
Granulation；
(2) pellet that will result in is extruded through single screw extrusion machine, and shaping pipe is obtained；
(3) and then by tubing again through electron accelerator 100～150KGy crosslinkings with radiation；
(4) tubing is carried out expansion sizing again finally；
Raw material for mixing granulator is high density polyethylene (HDPE), ethylene vinyl acetate, ethylene propylene diene rubber, halogen-free flameproof
The mixture of agent, lubricant, composite antioxidant, age resistor and sensitization crosslinking agent；
The high density polyethylene (HDPE), ethylene vinyl acetate, ethylene propylene diene rubber, halogen-free flame retardants, lubricant, compound anti-
The mass parts ratio that feeds intake of oxygen agent, age resistor and sensitization crosslinking agent is 70～30 15～20 15～20 80～120 5～15
0.5～1 0.5～1.5 0.5～2.
Vinyl acetate mass fraction in the ethylene vinyl acetate is 28%, and melt index is 1.5～5g/10min.
Which has good environmental stress crack resistance and filler compatibility and processability.
The halogen-free flame retardants is magnesium hydroxide, aluminium hydroxide, micro-capsule red phosphorus, Firebrake ZB, the combination of organo montmorillonite.Logical
Cross, the fire resistance of material can be improved.
The lubricant is white oil.This patent select white oil be mineral generation, compare traditional lubricant have excellent
Gesture and low price.
The composite antioxidant is made up of antioxidant 1010 and irgasfos 168, and both cooperate with the purpose or effect for using：
Antioxidant 1010 has good compatibility with most polymers, and there is collaboration antioxidant effect between the two well.
The activating agent is made up of stearic acid and silane coupler KH570, the mixing quality of stearic acid and silane coupler
Than for 14.The compounding of activating agent can improve the compatibility of inorganic combustion inhibitor and matrix, increase the mechanical property of material.
The age resistor is antioxidant MB., for 2-mercaptobenzimidazole, which is in synthesis for the antioxidant MB adopted by this patent
Easily disperse in rubber, and there is preferable compatibility with ethylene vinyl acetate.
The sensitization crosslinking agent is crosslinking agent TAIC.This patent adopts Triallyl isocyanurate as assistant crosslinking agent,
It is chiefly to facilitate crosslinking of the product under electron beam irradiation.
Tubing after radiation expands 2～5 times at a temperature of 90～130 DEG C.
The present invention is processed to shaping pipe using crosslinking with radiation technology before expansion sizing, and the heat-shrink tube that makes has
The performances such as good fire-retardant, mechanical, insulation, wear-resisting, heat-proof aging, crosslinking with radiation significantly improve the mechanical performance of product with
Fire resistance., during production, accumulating, use, environmentally safe is harmless for the heat-shrink tube, will not produce during burning
Raw pernicious gas, is a kind of Green Product.The method can be widely used in pressure (more than 10kv) and above electric power heat-shrink tube
The manufacturing.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
First, production technology
In following examples：HDPE, its melt index are 0.75g/10min；Vinyl acetate in ethylene vinyl acetate
Mass fraction is 28%, and melt index is 1.5～5g/10min；EPDM, third monomer ENB content are 4.9%；Halogen-free flame retardants
Including magnesium hydroxide (MH), its particle size is 5000 mesh, aluminium hydroxide (ATH), and its particle size is 5000 mesh, Firebrake ZB,
Particle of the red phosphorus for microcapsule coated, organic modification montmonrillonite；Primary antioxidant is antioxidant 1010, and auxiliary antioxidant is antioxidant
168；Lubricant white oil and stearic acid；Assistant crosslinking agent is Triallyl isocyanurate (TAIC)；Activating agent is silane coupler
(KH570)；Age resistor is antioxidant MB and anti-aging agent RD.
Embodiment one：
Embodiment two：
Embodiment three：
The preparation method step of polyolefin heat-shrink tube is pressed in halogen-free flameproof：
1st, above-mentioned each raw material according to weight meter is sufficiently mixed through high-speed mixer, first with parallel pair with banbury
Screw extruder mixing granulator.
2nd, the pellet that will result in is through single screw extrusion machine extrusion molding tubing.
3rd, by tubing again through electron accelerator 100～150KGy crosslinkings with radiation.
4th, the tubing after radiating expands 2～5 times at a temperature of 90～130 DEG C, just obtains pressure polyolefin heat in halogen-free flameproof
The draw.
2nd, the product main performance index according to above-mentioned technique productions is as follows：
As seen from the above table：The product of the more conventional technique productions of product that the present invention makes have significantly good fire-retardant, machine
The performances such as tool, insulation, wear-resisting, heat-proof aging.
The above, is only presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention, any ripe
Professional and technical personnel is known, in the range of without departing from technical solution of the present invention, according to the technical spirit of the present invention, to above real
Apply any simple modification, equivalent and improvement that example is made etc., still fall within technical solution of the present invention protection domain it
Interior.
Claims (9)
1. the production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant, it is characterised in that：Comprise the steps：
(1) each raw material is sufficiently mixed through high-speed mixer, first with the parallel double-screw extruder mixing granulator with banbury；
(2) pellet that will result in is extruded through single screw extrusion machine, and shaping pipe is obtained；
(3) and then by tubing again through electron accelerator 100～150KGy crosslinkings with radiation；
(4) tubing is carried out expansion sizing again finally；
For mixing granulator raw material be high density polyethylene (HDPE), ethylene vinyl acetate, ethylene propylene diene rubber, halogen-free flame retardants,
The mixture of lubricant, composite antioxidant, age resistor and sensitization crosslinking agent；
The high density polyethylene (HDPE), ethylene vinyl acetate, ethylene propylene diene rubber, halogen-free flame retardants, lubricant, compound antioxygen
The mass parts ratio that feeds intake of agent, age resistor and sensitization crosslinking agent is 70～30 15～20 15～20 80～120 5～15 0.5
～1 0.5～1.5 0.5～2.
2. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：The second
Vinyl acetate mass fraction in alkene vinylacetate is 28%, and melt index is 1.5～5g/10min.
3. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：The nothing
Halogen fire retardant is magnesium hydroxide, aluminium hydroxide, micro-capsule red phosphorus, Firebrake ZB, the combination of organo montmorillonite.
4. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：The profit
Lubrication prescription is white oil.
5. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：Described multiple
Close antioxidant constituting by antioxidant 1010 and irgasfos 168.
6. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：The work
Property agent be made up of stearic acid and silane coupler KH570, the mixing quality ratio of stearic acid and silane coupler is 14.
7. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：Described anti-
Old agent is 2-mercaptobenzimidazole.
8. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：Described quick
Change crosslinking agent is Triallyl isocyanurate.
9. the production method of polyolefin heat-shrink tube is pressed in environmental-protection flame-retardant as claimed in claim 1, it is characterised in that：After radiation
Tubing expand 2～5 times at a temperature of 90～130 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920703.5A CN106496734A (en) | 2016-10-21 | 2016-10-21 | The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920703.5A CN106496734A (en) | 2016-10-21 | 2016-10-21 | The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106496734A true CN106496734A (en) | 2017-03-15 |
Family
ID=58319428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610920703.5A Pending CN106496734A (en) | 2016-10-21 | 2016-10-21 | The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106496734A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108129734A (en) * | 2018-01-08 | 2018-06-08 | 长园电子（东莞）有限公司 | A kind of combustion gas protection of pipe fire retardant thermal shrinkage tube through walls and preparation method thereof |
| CN112208124A (en) * | 2019-07-09 | 2021-01-12 | 浙江迅发电力科技有限公司 | Processing technology for producing heat shrinkable tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257090A (en) * | 1999-12-24 | 2000-06-21 | 中国科学院上海原子核研究所 | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material |
| CN1760997A (en) * | 2005-09-01 | 2006-04-19 | 赵成刚 | Environmental protection type fire retardant thermal shrinkage tube without halogen |
| CN101386693A (en) * | 2008-10-22 | 2009-03-18 | 深圳长园电子材料有限公司 | Radiation crosslinking flame-retardant polyolefin heat-shrinkable material and preparation method thereof |
| CN103554687A (en) * | 2013-10-31 | 2014-02-05 | 扬州大学 | Making method of environment-friendly flame retardant polyolefin hot pyrocondensation pipe |
| CN104212047A (en) * | 2014-08-21 | 2014-12-17 | 江苏华侃核电器材科技有限公司 | Thermal shrinkage stress pipe material for third-generation nuclear power station and preparation method of thermal shrinkage stress pipe material |
-
2016
- 2016-10-21 CN CN201610920703.5A patent/CN106496734A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257090A (en) * | 1999-12-24 | 2000-06-21 | 中国科学院上海原子核研究所 | Radiation crosslinking 150 deg.C flame-retarded polyolefine thermal shrinkage material |
| CN1760997A (en) * | 2005-09-01 | 2006-04-19 | 赵成刚 | Environmental protection type fire retardant thermal shrinkage tube without halogen |
| CN101386693A (en) * | 2008-10-22 | 2009-03-18 | 深圳长园电子材料有限公司 | Radiation crosslinking flame-retardant polyolefin heat-shrinkable material and preparation method thereof |
| CN103554687A (en) * | 2013-10-31 | 2014-02-05 | 扬州大学 | Making method of environment-friendly flame retardant polyolefin hot pyrocondensation pipe |
| CN104212047A (en) * | 2014-08-21 | 2014-12-17 | 江苏华侃核电器材科技有限公司 | Thermal shrinkage stress pipe material for third-generation nuclear power station and preparation method of thermal shrinkage stress pipe material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108129734A (en) * | 2018-01-08 | 2018-06-08 | 长园电子（东莞）有限公司 | A kind of combustion gas protection of pipe fire retardant thermal shrinkage tube through walls and preparation method thereof |
| CN112208124A (en) * | 2019-07-09 | 2021-01-12 | 浙江迅发电力科技有限公司 | Processing technology for producing heat shrinkable tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104893088B (en) | Ultraviolet light crosslinking low-smoke zero-halogen flame-retardant cable material and preparation method thereof | |
| CN103172918B (en) | A kind of fireproofing cable material without halide and preparation method thereof | |
| CN102485782B (en) | Crosslinked, oil-resistant, low temperature-resistant, low-smoke, halogen-free and flame-retardant cable material and its preparation method | |
| CN104403190A (en) | Ultraviolet cross-linking oil-resistant low-smoke halogen-free flame retardant polyolefin cable material and preparation method thereof | |
| CN101486814B (en) | Method for producing low-smoke halogen-free non-nitrogen flame-retardant heat-shrinkable material sheathed tube and casing tube | |
| CN103275385A (en) | Nuclear power halogen-free, low-smoke and flame-retardant cable sheath material with high elongation and long service life and preparation method thereof | |
| CN103571116B (en) | A kind of ageing-resistant CABLE MATERIALS of low-smoke non-halogen flame-retardant for cable | |
| CN104744791B (en) | A kind of low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof | |
| CN103524844A (en) | High-temperature-resistant cable sheath material and preparation method thereof | |
| CN107141575A (en) | A kind of thermoplastic low-smoke halide-free fireproof composite polyolefine of resistance to resistance to compression protective cover material and preparation method thereof | |
| CN105504480A (en) | Oil-resistant irradiation-crosslinking low-smoke halogen-free flame-retardant polyolefin material for locomotive wires and cables | |
| CN103172917A (en) | Crosslinkable, radiation-resistant, highly-flame-retardant, low-smoke and zero-halogen cable material and preparation method of cable material | |
| CN109627568A (en) | Polyolefine cable sheath material and preparation method thereof | |
| CN105315532B (en) | A kind of thermoplasticity soft low-smoke halogen-free CABLE MATERIALS and preparation method thereof | |
| CN110776690A (en) | 105 ℃ B1-grade irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin elastomer insulating material and preparation method thereof | |
| CN103554639B (en) | A kind of production method of environment-friendly halogen-free flame-proof electric wire | |
| CN105034186B (en) | The preparation method of photovoltaic cable jacket layer material | |
| CN114058111A (en) | High-flexibility oil-resistant low-smoke halogen-free flame-retardant cable material and preparation method thereof | |
| CN103554687B (en) | A kind of production method of environmental-protection flame-retardant polyolefine heat-shrink tube | |
| CN113604052A (en) | Formula and processing technology of silicone rubber glass fiber sleeve | |
| CN104151693A (en) | Nuclear electric cable insulation material and preparation method thereof | |
| CN106496734A (en) | The production method of polyolefin heat-shrink tube is pressed in a kind of environmental-protection flame-retardant | |
| CN110204820A (en) | Kynoar-composite polyethylene material and preparation method thereof, insulator sheath | |
| CN106432871A (en) | Preparation method of halogen-free low-smoke flame retardant crosslinked polyolefin insulation material for photovoltaic cable | |
| CN107573575A (en) | A kind of method that traffic signals flexible cable is produced using thermoplastic elastomer (TPE) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20170315 |