CN106317557A - Insulating heat shrink tube for high-speed railway track and preparation method of tube - Google Patents
Insulating heat shrink tube for high-speed railway track and preparation method of tube Download PDFInfo
- Publication number
- CN106317557A CN106317557A CN201610684922.8A CN201610684922A CN106317557A CN 106317557 A CN106317557 A CN 106317557A CN 201610684922 A CN201610684922 A CN 201610684922A CN 106317557 A CN106317557 A CN 106317557A
- Authority
- CN
- China
- Prior art keywords
- parts
- speed railway
- railway track
- high speed
- shrinkable tube
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- 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
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an insulating heat shrink tube for a high-speed railway track and a preparation method of the tube. The insulating heat shrink tube for the high-speed railway track is specifically prepared from, by weight, 100 parts of polyolefin, 50-80 parts of olefin-acrylate copolymer, 3-8 parts of metal oxide, 3-8 parts of melamine flame-retardant agent, 0.5-5 parts of nano active calcium carbonate, 0.5-5 parts of lubricant and 0.5-5 parts of antioxidant. Mechanical properties, heat shrink performance, insulating performance and heat resistance of the insulating heat shrink tube for the high-speed railway track are greatly improved. Compared with a polyolefin insulating heat shrink tube obtained after chemical crosslinking, the crosslinking process of the insulating heat shrink tube is finished at normal temperature and normal pressure, the crosslinking process is simple and easy to control, product quality is purified, and the heat shrink tube is harmless to the environment and human bodies.
Description
Technical field
The invention belongs to heat-shrink tube technical field, relate to a kind of high speed railway track isolating shrinkable tube and preparation side thereof
Method.
Background technology
Easily it is short-circuited between existing high speed railway track steel mesh, has a strong impact on the properly functioning of railway and passenger and take advantage of
The personal safety of business personnel.Therefore, bar-mat reinforcement carries out insulating processing is to improve track transmission performance and ensure railway fortune
The key of row safety.
At present, countermeasure both domestic and external mainly has following several: 1, directly use iron wire to tie up with epoxy resin
The reinforcing bar of insulating barrier, reaches fixing reinforcing bar and realizes the purpose of insulation；2, isolating shrinkable tube is overlapped on the reinforcing bar at junction point,
Tie up by insulation tied silk again；3, ambroin card is used to carry out electric insulation process.Comparatively speaking, first method is behaviour
It is easily destroyed epoxy resin insulating layers during work, affects insulation effect；The insulating reliability of second method is high, but construction effect
Rate is relatively low；Although the efficiency of construction of the third method is higher, but insulating reliability is slightly below the second.Therefore, in order to ensure
Higher insulating reliability, generally uses isolating shrinkable tube to cut off the connection between reinforcing bar, it is to avoid to form current loop, thus protect
Hinder the properly functioning of high-speed railway.
Summary of the invention
For above-mentioned situation, it is an object of the invention to provide a kind of high speed railway track isolating shrinkable tube and preparation thereof
Method.
To achieve these goals, the present invention is by the following technical solutions:
A kind of high speed railway track isolating shrinkable tube, it comprises following component in parts by weight: polyolefin 100 parts, alkene-
Acrylate copolymer 50 ~ 80 parts, metal-oxide 3 ~ 8 parts, tripolycyanamide flame retardant 3 ~ 8 parts, nm-class active calcium carbonate 0.5
~ 5 parts, lubricant 0.5 ~ 5 part and antioxidant 0.5 ~ 5 part；Wherein: the granularity of described nm-class active calcium carbonate is 25 ~ 100 nm.
Preferably, described high speed railway track isolating shrinkable tube comprises following component in parts by weight: polyolefin 100
Part, olefin-acrylate copolymer 55 ~ 75 parts, metal-oxide 4 ~ 7 parts, tripolycyanamide flame retardant 4 ~ 7 parts, nano active
Calcium carbonate 1 ~ 4 part, lubricant 1 ~ 4 part and antioxidant 1 ~ 4 part.
Most preferably, described high speed railway track isolating shrinkable tube comprises following component in parts by weight: polyolefin
100 parts, olefin-acrylate copolymer 65 parts, metal-oxide 5 parts, tripolycyanamide flame retardant 5 parts, nano active carbonic acid
Calcium 3 parts, lubricant 2 parts and antioxidant 2 parts.
Preferably, described polyolefin in polyethylene (PE), polypropylene (PP), the polystyrene (PS) any one or
The mixture of its arbitrary proportion, preferably polyethylene, more preferably less than density polyethylene (LDPE).
Preferably, described olefin-acrylate copolymer is selected from ethylene-methyl acrylate copolymer (EMA), ethylene-the third
In olefin(e) acid methacrylate copolymers (EEA), ethylene-propyl acrylate copolymer (EPA), ethylene-butyl acrylate copolymer (EBA)
The mixture of any one or its arbitrary proportion, optimal ethylene-methyl acrylate copolymer.
Preferably, described metal-oxide in magnesium oxide, calcium oxide, zinc oxide, the aluminium oxide any one or its
The mixture of arbitrary proportion, preferential oxidation magnesium.
Preferably, described tripolycyanamide flame retardant is selected from tripolycyanamide, melamine phosphate, melamine pyrophosphoric
The mixture of any one or its arbitrary proportion in salt, melamine polyphosphate, preferably tripolycyanamide.
Preferably, the granularity of described nm-class active calcium carbonate is 30 ~ 50 nm.
Preferably, described lubricant in stearic acid, sodium stearate, magnesium stearate, the zinc stearate any one or
The mixture of its arbitrary proportion, preferably magnesium stearate.
Preferably, described antioxidant is selected from Butylated hydroxyanisole (BHA), dibenzylatiooluene (BHT), the tert-butyl group
The mixture of any one or its arbitrary proportion in hydroquinone (TBHQ), preferably dibenzylatiooluene.
The preparation method of a kind of high speed railway track isolating shrinkable tube, it comprises the steps:
(1) weigh raw material, and mix homogeneously according to weight portion, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) by the tubing of acquisition in step (2) in 150 ~ 170 kGy crosslinkings with radiation, heat extension 2 ~ 4 times, and be quenched molding,
To high speed railway track isolating shrinkable tube.
Compared with prior art, the mechanical property of high speed railway track isolating shrinkable tube of the present invention, hot shortness, insulation
Property and thermostability are greatly improved；Compared with the polyolefin insulation heat-shrink tube through chemical crosslinking, the isolating shrinkable tube of the present invention
Cross-linking process completes at normal temperatures and pressures, and cross-linking process is simple and easy to control, product quality is pure, harmless to environment and human body.
Detailed description of the invention
Example below will be further illustrated the present invention.These embodiments are merely to illustrate the present invention, but not to appoint
Where formula limits the present invention.
Embodiment 1: the production of high speed railway track isolating shrinkable tube.
(1) Low Density Polyethylene 100 kg, ethylene-methyl acrylate copolymer 50 kg, magnesium oxide 3 kg, trimerization are weighed
Cyanamide 3 kg, nm-class active calcium carbonate (granularity is 25 nm) 0.5 kg, magnesium stearate 0.5 kg and dibenzylatiooluene 0.5
Kg, and mix homogeneously, obtain premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times in 150 kGy crosslinkings with radiation, heating, and is quenched molding, obtain at a high speed
Railroad track isolating shrinkable tube.
Embodiment 2: the production of high speed railway track isolating shrinkable tube.
(1) Low Density Polyethylene 100 kg, ethylene-methyl acrylate copolymer 80 kg, magnesium oxide 8 kg, trimerization are weighed
Cyanamide 8 kg, nm-class active calcium carbonate (granularity is 100 nm) 5 kg, magnesium stearate 5 kg and dibenzylatiooluene 5 kg, and
Mix homogeneously, obtains premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times in 150 kGy crosslinkings with radiation, heating, and is quenched molding, obtain at a high speed
Railroad track isolating shrinkable tube.
Embodiment 3: the production of high speed railway track isolating shrinkable tube.
(1) Low Density Polyethylene 100 kg, ethylene-methyl acrylate copolymer 55 kg, magnesium oxide 4 kg, trimerization are weighed
Cyanamide 4 kg, nm-class active calcium carbonate (granularity is 30 nm) 1 kg, magnesium stearate 1 kg and dibenzylatiooluene 1 kg, and
Mix homogeneously, obtains premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times in 150 kGy crosslinkings with radiation, heating, and is quenched molding, obtain at a high speed
Railroad track isolating shrinkable tube.
Embodiment 4: the production of high speed railway track isolating shrinkable tube.
(1) Low Density Polyethylene 100 kg, ethylene-methyl acrylate copolymer 75 kg, magnesium oxide 7 kg, trimerization are weighed
Cyanamide 7 kg, nm-class active calcium carbonate (granularity is 50 nm) 4 kg, magnesium stearate 4 kg and dibenzylatiooluene 4 kg, and
Mix homogeneously, obtains premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times in 150 kGy crosslinkings with radiation, heating, and is quenched molding, obtain at a high speed
Railroad track isolating shrinkable tube.
Embodiment 5: the production of high speed railway track isolating shrinkable tube.
(1) Low Density Polyethylene 100 kg, ethylene-methyl acrylate copolymer 65 kg, magnesium oxide 5 kg, trimerization are weighed
Cyanamide 5 kg, nm-class active calcium carbonate (granularity is 40 nm) 3 kg, magnesium stearate 3 kg and dibenzylatiooluene 3 kg, and
Mix homogeneously, obtains premix material；
(2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step (1), and at single-screw
Extrude on extruder, obtain tubing；
(3) tubing obtained in step (2) is extended 2 times in 150 kGy crosslinkings with radiation, heating, and is quenched molding, obtain at a high speed
Railroad track isolating shrinkable tube.
Embodiment 6: high speed railway track isolating shrinkable tube performance testing.
The high speed railway track isolating shrinkable tube obtained in embodiment 1 to 5 is carried out performance test, its result such as table 1
Shown in.
Table 1. high speed railway track isolating shrinkable tube performance testing
As seen from the above table, the mechanical property of high speed railway track isolating shrinkable tube of the present invention, hot shortness, insulating properties and heat-resisting
Property is greatly improved；Compared with the polyolefin insulation heat-shrink tube through chemical crosslinking, the cross-linking process of the isolating shrinkable tube of the present invention
Completing at normal temperatures and pressures, cross-linking process is simple and easy to control, product quality is pure, harmless to environment and human body.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe not
Think the limit present invention, or limit the invention to disclosed precise forms；On the contrary, according to above-mentioned teaching, can carry out very
Many changes and change.The purpose selected exemplary embodiment and describe is to explain the certain principles and in fact of the present invention
Border is applied, so that others skilled in the art are capable of and utilize the various different exemplary enforcement of the present invention
Scheme and various different selection and change.The scope of the present invention is intended to by appending claims and equivalents institute thereof
Limit.
Claims (10)
1. a high speed railway track isolating shrinkable tube, it comprises following component in parts by weight: polyolefin 100 parts, alkene
Hydrocarbon-acrylate copolymer 50 ~ 80 parts, metal-oxide 3 ~ 8 parts, tripolycyanamide flame retardant 3 ~ 8 parts, nm-class active calcium carbonate
0.5 ~ 5 part, lubricant 0.5 ~ 5 part and antioxidant 0.5 ~ 5 part；Wherein: the granularity of described nm-class active calcium carbonate is 25 ~ 100
nm。
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described high speed railway track
Comprise following component in parts by weight with isolating shrinkable tube: polyolefin 100 parts, olefin-acrylate copolymer 55 ~ 75 parts,
Metal-oxide 4 ~ 7 parts, tripolycyanamide flame retardant 4 ~ 7 parts, nm-class active calcium carbonate 1 ~ 4 part, lubricant 1 ~ 4 part and antioxidation
Agent 1 ~ 4 part.
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described high speed railway track
Following component in parts by weight is comprised: polyolefin 100 parts, olefin-acrylate copolymer 65 parts, metal with isolating shrinkable tube
Oxide 5 parts, tripolycyanamide flame retardant 5 parts, nm-class active calcium carbonate 3 parts, lubricant 2 parts and antioxidant 2 parts.
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described polyolefin is selected from poly-
The mixture of any one or its arbitrary proportion in ethylene, polypropylene, polystyrene.
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described olefin-acrylic
Ester copolymer is selected from ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-propyl acrylate copolymerization
The mixture of any one or its arbitrary proportion in thing, ethylene-butyl acrylate copolymer.
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described metal-oxide selects
The mixture of any one or its arbitrary proportion in autoxidation magnesium, calcium oxide, zinc oxide, aluminium oxide.
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described melamine series hinders
Any one in tripolycyanamide, melamine phosphate, melamine pyrophosphate, the melamine polyphosphate of combustion agent
Or the mixture of its arbitrary proportion.
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described lubricant is selected from hard
The mixture of any one or its arbitrary proportion in fat acid, sodium stearate, magnesium stearate, zinc stearate.
High speed railway track isolating shrinkable tube the most according to claim 1, it is characterised in that described antioxidant is selected from
The mixture of any one or its arbitrary proportion in Butylated hydroxyanisole, dibenzylatiooluene, tert-butyl hydroquinone.
10. a preparation method for high speed railway track isolating shrinkable tube according to any one of claim 1 to 9,
It comprises the steps:
1) weigh raw material, and mix homogeneously according to weight portion, obtain premix material；
2) the premix material mixing granulator on the double screw extruder being equipped with banbury that will obtain in step 1), and squeeze at single-screw
Go out and extrude on machine, obtain tubing；
3) by step 2) the middle tubing obtained is in 150 ~ 170 kGy crosslinkings with radiation, heating extension 2 ~ 4 times, and it is quenched molding, obtain
High speed railway track isolating shrinkable tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684922.8A CN106317557A (en) | 2016-08-18 | 2016-08-18 | Insulating heat shrink tube for high-speed railway track and preparation method of tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684922.8A CN106317557A (en) | 2016-08-18 | 2016-08-18 | Insulating heat shrink tube for high-speed railway track and preparation method of tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106317557A true CN106317557A (en) | 2017-01-11 |
Family
ID=57743885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610684922.8A Pending CN106317557A (en) | 2016-08-18 | 2016-08-18 | Insulating heat shrink tube for high-speed railway track and preparation method of tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106317557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034125A (en) * | 2017-12-12 | 2018-05-15 | 天津金发新材料有限公司 | A kind of new heat shrinkable pipe material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746558A (en) * | 2012-07-25 | 2012-10-24 | 吉林市吉福新材料有限责任公司 | Insulating spider resistant to electrical carbon mark |
| CN103554687A (en) * | 2013-10-31 | 2014-02-05 | 扬州大学 | Making method of environment-friendly flame retardant polyolefin hot pyrocondensation pipe |
| CN103724946A (en) * | 2013-12-19 | 2014-04-16 | 广州凯恒科塑有限公司 | Thermoplastic polyester elastomer heat-shrinkable casing tube for automobile wire harness as well as preparation method and application of heat-shrinkable casing tube |
-
2016
- 2016-08-18 CN CN201610684922.8A patent/CN106317557A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746558A (en) * | 2012-07-25 | 2012-10-24 | 吉林市吉福新材料有限责任公司 | Insulating spider resistant to electrical carbon mark |
| CN103554687A (en) * | 2013-10-31 | 2014-02-05 | 扬州大学 | Making method of environment-friendly flame retardant polyolefin hot pyrocondensation pipe |
| CN103724946A (en) * | 2013-12-19 | 2014-04-16 | 广州凯恒科塑有限公司 | Thermoplastic polyester elastomer heat-shrinkable casing tube for automobile wire harness as well as preparation method and application of heat-shrinkable casing tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034125A (en) * | 2017-12-12 | 2018-05-15 | 天津金发新材料有限公司 | A kind of new heat shrinkable pipe material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103012939B (en) | The production method of a kind of ultraviolet light cross-linking heat shrinkable pipe material and ultraviolet light cross-linking heat-shrink tube | |
| CN102321295B (en) | Low smoke zero halogen flame-retardant mould shrinkage sleeve and preparation method as well as application thereof | |
| CN102485782B (en) | Crosslinked, oil-resistant, low temperature-resistant, low-smoke, halogen-free and flame-retardant cable material and its preparation method | |
| CN103172917B (en) | Crosslinkable, radiation-resistant, highly-flame-retardant, low-smoke and zero-halogen cable material and preparation method of cable material | |
| CN102746548A (en) | Water distillation-free rapid silane natural crosslinking polyethylene cable material and preparation method thereof | |
| CN106916362B (en) | Halogen-free flame-retardant polyolefin resin and preparation method thereof | |
| CN103205053A (en) | Nano-modified low-shrinkage low-smoke halogen-free and flame-retardant polyolefin cable material and preparation thereof | |
| CN103059446A (en) | Irradiation cold-resistant polyvinyl chloride wire cable and material | |
| CN103965537A (en) | Method for producing self-crosslinking composite polyethylene cable material | |
| JPWO2015068512A1 (en) | Heat recovery article, wire splice and wire harness | |
| CN103992567B (en) | There is the fire-retardant high insulated cable material of used in nuclear power station of radiation resistance | |
| CN104530545A (en) | PE cable material subjected to irradiation cross-linking at 125 DEG C for UL high-temperature electronic wire and preparation method of PE cable material | |
| CN106317557A (en) | Insulating heat shrink tube for high-speed railway track and preparation method of tube | |
| CN101831100A (en) | Low-smoke halogen-free flame retardant electronic wire material | |
| CN103232642A (en) | Reactor flame-retardant heat-shrinkable tube meeting nuclear power station AP1000 design requirement | |
| CN103289192A (en) | EPDM/PP (Ethylene Propylene Diene Monomer/Polypropylene) binary blended closed-pore foaming material and preparation method thereof | |
| CN104021866A (en) | Heat dissipation type flat cable | |
| CN103554687A (en) | Making method of environment-friendly flame retardant polyolefin hot pyrocondensation pipe | |
| CN102942729A (en) | Method for preparing cable outer sheath material | |
| CN107082990A (en) | A kind of composite modified polyvinyl chloride insulated electric conductor and preparation method thereof | |
| CN104021848A (en) | Torsional tensile transmission control cable | |
| CN107652529A (en) | A kind of halogen-free stibium-free antiflaming high temperature heat-resistant draw material prescription and its production method | |
| CN103554652A (en) | Amino carboxylic acid type organic and inorganic compounded copper inhibitor-containing polypropylene composite material and preparation method thereof | |
| CN103194024A (en) | Flame-retardant wire/cable for nuclear reactor meeting design requirement for nuclear power station AP1000 | |
| CN106279933A (en) | A kind of 125 DEG C of LSOH anti-flaming cross-linked polyolefin Insulation Material preparation methoies |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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: 20170111 |