CN106009242A - LSOH (Low Smoke Zero Halogen) flame-retardant jacket material for marine cable and preparation method - Google Patents
LSOH (Low Smoke Zero Halogen) flame-retardant jacket material for marine cable and preparation method Download PDFInfo
- Publication number
- CN106009242A CN106009242A CN201610602512.4A CN201610602512A CN106009242A CN 106009242 A CN106009242 A CN 106009242A CN 201610602512 A CN201610602512 A CN 201610602512A CN 106009242 A CN106009242 A CN 106009242A
- Authority
- CN
- China
- Prior art keywords
- mass parts
- cable
- sheath material
- retardant
- free flame
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- C08L2201/22—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
Landscapes
- Chemical & Material Sciences (AREA)
- Insulated Conductors (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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an LSOH (Low Smoke Zero Halogen) flame-retardant jacket material for a marine cable and a preparation method thereof. The LSOH flame-retardant jacket material is prepared from the following components in parts by mass: 60 to 70 parts of ethylene-vinyl acetate copolymer, 30 to 40 parts of EPDM (Ethylene-Propylene-Diene Monomer), 140 to 160 parts of flame retardant, 5 to 10 parts of carbon black, 1 to 2 parts of silane coupling agent, 1 to 2 parts of lubricating agent, 2 to 5 parts of cross-linking agent, 1 to 5 parts of cross-linking assistant and 1 to 3 parts of antioxidant, wherein the rubber content of the LSOH flame-retardant jacket material is 34 to 39 percent. The prepared LSOH flame-retardant jacket material is excellent in low temperature resistance, flame retardancy and oil resistance and good in mechanical performance.
Description
Technical field
The present invention relates to cable cover(ing) technical field, particularly relate to a kind of cable for ship low-smoke non-halogen flame-retardant
Sheath material and preparation method thereof.
Background technology
Along with development and the progress of science and technology of human society, the mankind are made to obtain from nature huge
Interests and freedom, the most various accidents and disaster occur the most again and again.And in numerous disasters, electric wire electricity
The role of burning things which may cause a fire disaster and blasting fuse usually played the part of by cable, makes fire expand rapidly, and produce a large amount of smog and
Poison, and damaged valuable electronic machine and equipment, has a strong impact on removing of fire-fighting and rescue and Field Force
From, thus expand disaster.To this end, Halogen, low cigarette, low-poison and combustion-resisting power cable are in great demand, and
It is widely used in each department of national economy.
Develop the technology being suitable for using in ocean and military boats and ships, offshore drilling platforms and seabed tunnel
Performance and the highest low-smoke halogen-free flame-retardant power cable protective cover material of safety have become studies in China focus,
But most domestic company cable can not meet performance indications.
Summary of the invention
The technical problem to be solved is to provide a kind of cable for ship low-smoke halogen-free flame-retardant sheath
Material and preparation method thereof, low temperature resistant, fire-retardant and oil resistance is excellent and good mechanical properties.
For solving above-mentioned technical problem, the technical scheme is that
A kind of cable for ship low-smoke halogen-free flame-retardant sheath material, the component of described sheath material is as follows:
The ethylene-vinyl acetate copolymer of 60～70 mass parts；The ethylene-propylene diene copolymer of 30-40 mass parts；140～160
The fire retardant of mass parts；The carbon black of 5～10 mass parts；The silane coupler of 1～2 mass parts；1～2 mass
The lubricant of part；The cross-linking agent of 2～5 mass parts；L～the crosslinking coagent of 5 mass parts；Resisting of 1～3 mass parts
Oxygen agent；Described sheath material gel content is 34～39%；Described gel content is (ethylene-vinyl acetate
The quality of copolymer+ethylene-propylene diene copolymer quality)/gross mass × 100%.
Described ethylene-vinyl acetate copolymer is second Warburg Pincus EVM 400HV.
Described ethylene-propylene diene copolymer is Tao Shi 4725p.
Described fire retardant is the mixture of magnesium hydroxide and shepardite, described magnesium hydroxide and shepardite
Particle diameter is all higher than 8000 mesh and both content all more than 70 mass parts, and carries out with silane coupler
Functionalized surface processes.
Described carbon black is Cabot carbon black N660.
Described silane coupler is VTES KH-151.
Described lubricant is WB212.
Described cross-linking agent is peroxide cumyl peroxide base benzene DCP, and crosslinking coagent is triallyl
Isocyanuric acid fat TAIC.
Described antioxidant is antioxidant TMQ.
A kind of preparation method of cable for ship low-smoke halogen-free flame-retardant sheath material, described preparation method is as follows:
(1) in banbury, ethylene-vinyl acetate copolymer and ethylene-propylene diene copolymer, mixing 1-3 are added
Minute；
(2) in banbury, the fire retardant of above-mentioned mass parts, cross-linking agent, carbon black, silane it are sequentially added into occasionally
Connection agent, lubricant, crosslinking coagent, by mixing for said components uniformly, control Banbury mixer temperature reach
Sizing material is obtained to 115-135 DEG C of binder removal；
(3) sizing material is moved in mill, overturn and make for twice sizing material temperature be down to less than 80 DEG C, then add
Enter the antioxidant of above-mentioned mass parts the mixing elastomeric compound that uniformly obtains, control mill temperature 60 DEG C with
Under；
(4) move to carry out on two roll calender hacking or move to single spiral shell by mixing uniform elastomeric compound further
Through pelleter pelletizing in bar.
The invention have the benefit that
The present invention have excellence mechanical performance, fire resistance, the tolerance energy to oil, water etc., low temperature resistant
Performance and ageing properties, meet sheath material standard peculiar to vessel.
Detailed description of the invention
Embodiment one
A kind of preparation method of cable for ship low-smoke halogen-free flame-retardant sheath material, described preparation method is as follows:
(1) in banbury, add the ethylene-vinyl acetate copolymer second Warburg Pincus EVM of 65 mass parts
The ethylene-propylene diene copolymer Tao Shi 4725p of 400HV and 35 mass parts, mixing 2 minutes；
(2) be sequentially added in banbury the fire retardant of 150 mass parts, the cross-linking agent of 3 mass parts, 8
The carbon black of mass parts, the silane coupler of 1.5 mass parts, the lubricant of 1.5 mass parts, 3 mass parts
Crosslinking coagent, by mixing for said components uniformly, control Banbury mixer temperature and reach 125 DEG C of binder removals and obtain
To sizing material；
(3) sizing material is moved in mill, overturn and make for twice sizing material temperature be down to 70 DEG C, add 2
The antioxidant of mass parts the mixing elastomeric compound that uniformly obtains, control mill temperature at 50 DEG C；
(4) move to hack on two roll calender by mixing uniform elastomeric compound further.
Fire retardant is that the water stone of the Martin magnesium hydroxide H5 by 75 mass parts and 75 mass parts is mixed to get
, the gel content of the sheath material prepared is 37.17%.
Embodiment two
A kind of preparation method of cable for ship low-smoke halogen-free flame-retardant sheath material, described preparation method is as follows:
(1) in banbury, add the ethylene-vinyl acetate copolymer second Warburg Pincus EVM of 60 mass parts
The ethylene-propylene diene copolymer Tao Shi 4725p of 400HV and 30 mass parts, mixing 2 minutes；
(2) be sequentially added in banbury the fire retardant of 140 mass parts, the cross-linking agent of 2 mass parts, 5
The carbon black of mass parts, the silane coupler of 1 mass parts, the lubricant of 1 mass parts, the crosslinking of l mass parts
Auxiliary agent, by mixing for said components uniformly, control Banbury mixer temperature and reach 125 DEG C of binder removals and obtain glue
Material；
(3) sizing material is moved in mill, overturn and make for twice sizing material temperature be down to 75 DEG C, add 1
The antioxidant of mass parts the mixing elastomeric compound that uniformly obtains, control mill temperature at 50 DEG C；
(4) further mixing uniform elastomeric compound is moved in single screw rod through pelleter pelletizing.
Fire retardant is that the water stone of the Martin magnesium hydroxide H5 by 70 mass parts and 70 mass parts is mixed to get
, the gel content of the sheath material prepared is 37.34%.
Embodiment three
A kind of preparation method of cable for ship low-smoke halogen-free flame-retardant sheath material, described preparation method is as follows:
(1) in banbury, add the ethylene-vinyl acetate copolymer second Warburg Pincus EVM of 70 mass parts
The ethylene-propylene diene copolymer Tao Shi 4725p of 400HV and 40 mass parts, mixing 2 minutes；
(2) be sequentially added in banbury the fire retardant of 160 mass parts, the cross-linking agent of 5 mass parts, 10
The carbon black of mass parts, the silane coupler of 2 mass parts, the lubricant of 2 mass parts, the crosslinking of 5 mass parts
Auxiliary agent, by mixing for said components uniformly, control Banbury mixer temperature and reach 125 DEG C of binder removals and obtain glue
Material；
(3) sizing material is moved in mill, overturn and make for twice sizing material temperature be down to 75 DEG C, add 3
The antioxidant of mass parts the mixing elastomeric compound that uniformly obtains, control mill temperature at 55 DEG C；
(4) move to hack on two roll calender by mixing uniform elastomeric compound further.
Fire retardant is that the water stone of the Martin magnesium hydroxide H5 by 85 mass parts and 75 mass parts is mixed to get
, the gel content of the sheath material prepared is 37.04%.
The sizing material obtained in the three of the present invention embodiments is carried out performance test, the results are shown in Table one:
Table one
Here description of the invention and application is illustrative, is not wishing to limit the scope of the invention to
Stating in embodiment, therefore, the present invention is not limited by the present embodiment, and any employing equivalence replacement obtains
Technical scheme is all in the scope of protection of the invention.
Claims (10)
1. a cable for ship low-smoke halogen-free flame-retardant sheath material, is characterized by, described sheath material
Component is as follows: the ethylene-vinyl acetate copolymer of 60～70 mass parts；The ternary second of 30-40 mass parts
Third glue；The fire retardant of 140～160 mass parts；The carbon black of 5～10 mass parts；The silane of 1～2 mass parts is even
Connection agent；The lubricant of 1～2 mass parts；The cross-linking agent of 2～5 mass parts；L～the crosslinking coagent of 5 mass parts；
The antioxidant of 1～3 mass parts；Described sheath material gel content is 34～39%；Described gel content is (second
The quality of alkene-vinyl acetate co-polymer+ethylene-propylene diene copolymer quality)/gross mass × 100%.
2. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described ethylene-vinyl acetate copolymer is second Warburg Pincus EVM 400HV.
3. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described ethylene-propylene diene copolymer is Tao Shi 4725p.
4. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described fire retardant is the mixture of magnesium hydroxide and shepardite, described magnesium hydroxide and shepardite
Particle diameter is all higher than 8000 mesh and both content all more than 70 mass parts, and carries out with silane coupler
Functionalized surface processes.
5. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described carbon black is Cabot carbon black N660.
6. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described silane coupler is VTES KH-151.
7. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described lubricant is WB212.
8. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described cross-linking agent is peroxide cumyl peroxide base benzene DCP, and crosslinking coagent is triallyl
Isocyanuric acid fat TAIC.
9. a kind of cable for ship low-smoke halogen-free flame-retardant sheath material as claimed in claim 1, its feature
For, described antioxidant is antioxidant TMQ.
10. a cable for ship preparation method for low-smoke halogen-free flame-retardant sheath material, is characterized by, described
Preparation method is as follows:
(1) in banbury, ethylene-vinyl acetate copolymer and ethylene-propylene diene copolymer, mixing 1-3 are added
Minute；
(2) in banbury, the fire retardant of above-mentioned mass parts, cross-linking agent, carbon black, silane it are sequentially added into occasionally
Connection agent, lubricant, crosslinking coagent, by mixing for said components uniformly, control Banbury mixer temperature reach
Sizing material is obtained to 115-135 DEG C of binder removal；
(3) sizing material is moved in mill, overturn and make for twice sizing material temperature be down to less than 80 DEG C, then add
Enter the antioxidant of above-mentioned mass parts the mixing elastomeric compound that uniformly obtains, control mill temperature 60 DEG C with
Under；
(4) move to carry out on two roll calender hacking or move to single spiral shell by mixing uniform elastomeric compound further
Through pelleter pelletizing in bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602512.4A CN106009242A (en) | 2016-07-27 | 2016-07-27 | LSOH (Low Smoke Zero Halogen) flame-retardant jacket material for marine cable and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602512.4A CN106009242A (en) | 2016-07-27 | 2016-07-27 | LSOH (Low Smoke Zero Halogen) flame-retardant jacket material for marine cable and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106009242A true CN106009242A (en) | 2016-10-12 |
Family
ID=57113996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610602512.4A Pending CN106009242A (en) | 2016-07-27 | 2016-07-27 | LSOH (Low Smoke Zero Halogen) flame-retardant jacket material for marine cable and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106009242A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880407A (en) * | 2017-11-27 | 2018-04-06 | 桂林市和鑫防水装饰材料有限公司 | A kind of ageing-resistant ethylene propylene diene rubber |
| CN108148288A (en) * | 2016-12-05 | 2018-06-12 | 吴红伟 | A kind of cable jacket material and preparation method thereof |
| CN109265813A (en) * | 2018-09-14 | 2019-01-25 | 成都营门电缆有限责任公司 | A kind of marine inflaming-retarding cable jacket material of salt spray proof and preparation method thereof |
| CN109651720A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable conductor shielding material and preparation method thereof |
| CN109651719A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable peelable insulation shielding material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077775A (en) * | 2013-01-29 | 2013-05-01 | 江苏亨通电力电缆有限公司 | High current-carrying capacity low conduction temperature fire resistant cable for accident network analysis and preparation technology |
| CN105037914A (en) * | 2015-08-24 | 2015-11-11 | 山东华凌电缆有限公司 | Low smoke and zero halogen flame retardant sheathing material with low temperature, oil and torsion resistance as well as preparation method and application |
-
2016
- 2016-07-27 CN CN201610602512.4A patent/CN106009242A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077775A (en) * | 2013-01-29 | 2013-05-01 | 江苏亨通电力电缆有限公司 | High current-carrying capacity low conduction temperature fire resistant cable for accident network analysis and preparation technology |
| CN105037914A (en) * | 2015-08-24 | 2015-11-11 | 山东华凌电缆有限公司 | Low smoke and zero halogen flame retardant sheathing material with low temperature, oil and torsion resistance as well as preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 张景: "《一通检索记录表》", 7 November 2017 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148288A (en) * | 2016-12-05 | 2018-06-12 | 吴红伟 | A kind of cable jacket material and preparation method thereof |
| CN107880407A (en) * | 2017-11-27 | 2018-04-06 | 桂林市和鑫防水装饰材料有限公司 | A kind of ageing-resistant ethylene propylene diene rubber |
| CN109265813A (en) * | 2018-09-14 | 2019-01-25 | 成都营门电缆有限责任公司 | A kind of marine inflaming-retarding cable jacket material of salt spray proof and preparation method thereof |
| CN109651720A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable conductor shielding material and preparation method thereof |
| CN109651719A (en) * | 2018-12-27 | 2019-04-19 | 尚纬股份有限公司 | A kind of nuclear reactor midium voltage cable peelable insulation shielding material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106009242A (en) | LSOH (Low Smoke Zero Halogen) flame-retardant jacket material for marine cable and preparation method | |
| CN101213618B (en) | Flame retardant composition for cable covering material and ocean cable using the same | |
| CN101093736B (en) | Rubber insulation material and insulating sheath material for mine cable | |
| CN102911439B (en) | Fire-resistant control cable material for ships and method for preparing same | |
| CN104341676A (en) | Novel low-smoke zero halogen flame-retardant cable material | |
| CN102746546A (en) | Halogen-free environmentally-friendly power cable material for wind power generation, and its preparation method | |
| US11384234B2 (en) | Crosslinkable polymer composition comprising polymer blend of EVA copolymer and EMA copolymer | |
| CN104387645A (en) | Low-smoke halogen-free flame retardant cable material | |
| JP5811359B2 (en) | Halogen-free flame-retardant resin composition and cable using the same | |
| CN103881166A (en) | Low smoke halogen-free flame retardant material applicable to photovoltaic cable and manufacturing method thereof | |
| CN104530519A (en) | Halogen-free low-smoke fire-resistant cable material, and preparation method thereof | |
| CN102816393A (en) | Low-smoke low-halogen flame-retardant crosslinked polyolefin insulated cable material and preparation method thereof | |
| CN102260387B (en) | 125 DEG C weather-resistant cross-linking low-smoke and halogen-free polyolefin cable material | |
| CN109265813A (en) | A kind of marine inflaming-retarding cable jacket material of salt spray proof and preparation method thereof | |
| CN105384980A (en) | High strength high flame-retardant cable sheath material and preparing method and application thereof | |
| CN106750855A (en) | Fire resisting expansion low-smoke halogen-free flame-retardant sheath material and preparation method thereof | |
| CN115181356A (en) | Low-smoke halogen-free flame-retardant polyolefin cable material for ships at 105 ℃, preparation method and application | |
| CN105111563A (en) | Intumescent halogen-free flame-retardant cable insulation material | |
| CN102746550A (en) | Low-smoke halogen-free environmentally-friendly control cable material for fire resistant boat, and its preparation method | |
| JPH0159291B2 (en) | ||
| CN106065124A (en) | A kind of low-smoke halogen-free inflaming-retarding cable sheath material peculiar to vessel and preparation method thereof | |
| CN104672731A (en) | Low temperature resistant oil-proof type halogen-free flame retardant cable material | |
| CN102816435A (en) | Flame retardation-type rubber insulating flexible cable material and preparation method thereof | |
| CN102977467A (en) | Cross-linked low-smoke and zero-halogen flame retardant cable material for nuclear power stations, and its preparation method | |
| CN104262875A (en) | Intumescent flame-retardant cable material taking plant-based active carbon as synergist and preparation method thereof |
Legal Events
| 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: 20161012 |