CN110240742B - Heat-resistant anti-UV flame-retardant sheath material and preparation method thereof - Google Patents
Heat-resistant anti-UV flame-retardant sheath material and preparation method thereof Download PDFInfo
- Publication number
- CN110240742B CN110240742B CN201910421599.9A CN201910421599A CN110240742B CN 110240742 B CN110240742 B CN 110240742B CN 201910421599 A CN201910421599 A CN 201910421599A CN 110240742 B CN110240742 B CN 110240742B
- Authority
- CN
- China
- Prior art keywords
- flame
- resistant
- retardant
- heat
- sheath material
- 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.)
- Active
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
- 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
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08L2203/20—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)
- 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)
- Insulated Conductors (AREA)
Abstract
The invention discloses a heat-resistant anti-UV flame-retardant sheath material and a preparation method thereof, wherein the flame-retardant sheath material consists of matrix resin, an inorganic flame retardant, a flame-retardant synergist, an anti-UV agent, a compatilizer, a lubricant and an antioxidant. The flame-retardant sheath material can achieve a good crosslinking effect after being irradiated by 15-18 Mrad, is UV-resistant, does not crack, is resistant to long-term thermal aging, generates few harmful and corrosive gases, can meet the requirement of 150 ℃ temperature resistance level in the standards of YD/T1113-2015-type halogen-free low-smoke flame-retardant materials for communication cables and optical cables, and has the tensile property change rate within the range of +/-30% after thermal aging.
Description
Technical Field
The invention belongs to the technical field of cable sheath materials, and particularly relates to a heat-resistant anti-UV flame-retardant sheath material and a preparation method thereof.
Background
With the increasing awareness of environmental protection and safety of people and the updating and execution of various material standard systems, communication materials with safety, environmental protection and flame retardance become a great trend. The working environment of the optical cable is directly related to the chassis of the base station and the local climate, and particularly in the areas with severe conditions, the optical cable can be influenced by high and low temperature, day and night temperature difference, sunlight irradiation, environmental corrosion and the like. In order to maintain good communication stability and safety performance, the optical cable is required to have excellent high and low temperature resistance, UV (ultraviolet) resistance, no cracking, long-term thermal aging resistance, flame retardance and the like. Most of the existing cable sheath materials have excellent flame retardant property and high and low temperature resistance, but the long-term thermal aging resistance and the UV (ultraviolet) resistance are generally poor, the performance can be obviously reduced after the cable sheath materials are used for a period of time in a high-temperature environment, and potential safety hazards exist.
Therefore, it is necessary to develop a cable sheath material with excellent high and low temperature resistance, UV resistance, non-cracking property, long-term thermal aging resistance, flame retardant property, etc.
Disclosure of Invention
The invention aims to provide a heat-resistant anti-UV flame-retardant sheath material and a preparation method thereof.
The technical scheme adopted by the invention is as follows:
the heat-resistant UV-resistant flame-retardant sheath material comprises the following components in parts by mass:
base resin: 100 parts of (A);
inorganic flame retardant: 160-200 parts of a solvent;
flame retardant synergist: 5-10 parts;
anti-UV agent: 1.5-3 parts;
a compatilizer: 10-15 parts;
lubricant: 1.5-3 parts;
antioxidant: 3-6 parts.
Preferably, the base resin is at least one of polyethylene, ethylene-vinyl acetate resin, ethylene-ethyl acrylate resin and ethylene propylene diene monomer.
Preferably, the melt index of the polyethylene is 1-5 g/10min, and the melt index test conditions are as follows: 190 ℃/2.16 kg.
Preferably, the VA content of the ethylene-vinyl acetate resin (EVA) is 20 wt% to 35 wt%.
Further preferably, the VA content of the ethylene-vinyl acetate resin (EVA) is 28 wt%.
Preferably, the ethylene-ethyl acrylate resin (EEA) has an EA content of 15 wt% to 25 wt%.
Further preferably, the ethylene ethyl acrylate resin (EEA) has an EA content of 18 wt%.
Preferably, the ethylene content of the ethylene-propylene-diene monomer (EPDM) is 50 wt% to 72 wt%.
Further preferably, the ethylene-propylene-diene monomer (EPDM) has an ethylene content of 70 wt%.
Preferably, the inorganic flame retardant is at least one of magnesium hydroxide and aluminum hydroxide.
Preferably, the flame-retardant synergist is at least one of diethyl aluminum hypophosphite, melamine cyanurate and melamine polyphosphate.
Preferably, the anti-UV agent is at least one of 2-hydroxy-4-n-octyloxy-benzophenone, 2-hydroxy-4-methoxybenzophenone and n-hexadecyl 3, 5-di-tert-butyl-4-hydroxybenzoate.
Preferably, the compatilizer is at least one of maleic anhydride grafted polyethylene and maleic anhydride grafted ethylene-vinyl acetate copolymer.
Preferably, the grafting rate of the compatilizer is 0.6-1.5%.
Preferably, the lubricant is at least one of silicone master batch, calcium stearate, PE wax and stearic acid.
Preferably, the antioxidant is at least one of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 2 '-methylenebis (4-methyl-6-tert-butylphenol), dioctadecyl thiodipropionate and 4,4' -bis (alpha, alpha-dimethylbenzyl) diphenylamine.
The preparation method of the heat-resistant UV-resistant flame-retardant sheath material comprises the following steps:
1) adding matrix resin, an inorganic flame retardant, a flame-retardant synergist, an anti-UV agent, a compatilizer, a lubricant and an antioxidant into an internal mixer, and carrying out internal mixing;
2) and (3) transferring the materials in the internal mixer into a double-screw/single-screw double-stage mixing granulator set, and extruding and granulating to obtain the heat-resistant and UV-resistant flame-retardant sheath material.
Preferably, the banburying time in the step 1) is 20-25 min.
The invention has the beneficial effects that: the flame-retardant sheath material can achieve a good crosslinking effect after being irradiated by 15-18 Mrad, is UV-resistant, does not crack, is resistant to long-term thermal aging, generates few harmful and corrosive gases, can meet the requirement of 150 ℃ temperature resistance level in the standards of YD/T1113-2015-type halogen-free low-smoke flame-retardant materials for communication cables and optical cables, and has the tensile property change rate within the range of +/-30% after thermal aging.
Detailed Description
The invention will be further explained and illustrated with reference to specific examples.
Example 1:
the heat-resistant UV-resistant flame-retardant sheath material comprises the following raw materials in percentage by weight:
table 1 table of raw material composition of heat-resistant UV-resistant flame-retardant sheath material
Example 2:
the heat-resistant UV-resistant flame-retardant sheath material comprises the following raw materials in percentage by weight:
TABLE 2 composition of heat-resistant anti-UV flame-retardant sheath material
Example 3:
the heat-resistant UV-resistant flame-retardant sheath material comprises the following raw materials in percentage by weight:
TABLE 3 composition of heat-resistant UV-resistant flame-retardant sheath material
Example 4:
the heat-resistant UV-resistant flame-retardant sheath material comprises the following raw materials in percentage by weight:
TABLE 4 composition of heat-resistant UV-resistant flame-retardant sheath material
Example 5:
the heat-resistant UV-resistant flame-retardant sheath material comprises the following raw materials in percentage by weight:
TABLE 5 composition of heat-resistant UV-resistant flame-retardant sheath material
Test example:
the flame-retardant sheath materials of examples 1 to 5 were subjected to a performance test (performance after irradiation crosslinking), and the test results are shown in the following table:
table 6 Performance test results of the flame-retardant sheath materials of examples 1 to 5
Note:
tensile strength, elongation at break, rate of change in tensile strength, rate of change in elongation at break: testing according to the GB/T2951 standard;
UV aging resistance test: testing according to EN 50618 standard;
smoke density: testing was carried out according to GB/T17651.2-1998;
content of halogen acid gas: testing according to IEC 60754-1 standard;
toxicity index: testing was performed according to NES 713-1985;
single vertical burn test: the test was carried out according to GB/T18380.1-2001.
As can be seen from Table 6: the flame-retardant sheath material disclosed by the invention meets the standard requirement of the 150 ℃ temperature resistance grade in the halogen-free low-smoke flame-retardant material for YD/T1113-2015 communication cable and cable, the change rate of the stretching performance after thermal aging is within the range of +/-30%, the product has good high temperature resistance and UV (ultraviolet) resistance without cracking, and the generated harmful and corrosive gases are very little.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (6)
1. The heat-resistant anti-UV flame-retardant sheath material is characterized in that: the composition comprises the following components in parts by mass:
base resin: 100 parts of (A);
inorganic flame retardant: 170-200 parts of a binder;
flame retardant synergist: 5-10 parts;
anti-UV agent: 1.5-3 parts;
a compatilizer: 10-15 parts;
lubricant: 1.5-3 parts;
antioxidant: 3-6 parts;
the anti-UV agent is at least one of 2-hydroxy-4-n-octyloxy-benzophenone, 2-hydroxy-4-methoxybenzophenone and 3, 5-di-tert-butyl-4-hydroxybenzoic acid n-hexadecyl ester;
the base resin is at least one of polyethylene, ethylene-vinyl acetate resin, ethylene-ethyl acrylate resin and ethylene propylene diene monomer;
the inorganic flame retardant is at least one of magnesium hydroxide and aluminum hydroxide;
the flame-retardant synergist is at least one of diethyl aluminum hypophosphite, melamine cyanurate and melamine polyphosphate.
2. The heat-resistant UV-resistant flame-retardant sheathing compound according to claim 1, wherein: the compatilizer is at least one of maleic anhydride grafted polyethylene and maleic anhydride grafted ethylene-vinyl acetate copolymer.
3. The heat-resistant UV-resistant flame-retardant sheath material according to claim 2, wherein: the grafting rate of the compatilizer is 0.6-1.5%.
4. The heat-resistant UV-resistant flame-retardant sheathing compound according to claim 1, wherein: the lubricant is at least one of silicone master batch, calcium stearate, PE wax and stearic acid.
5. The heat-resistant UV-resistant flame-retardant sheathing compound according to claim 1, wherein: the antioxidant is at least one of tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, 2 '-methylenebis (4-methyl-6-tert-butylphenol), dioctadecyl thiodipropionate and 4,4' -bis (alpha, alpha-dimethylbenzyl) diphenylamine.
6. The preparation method of the heat-resistant UV-resistant flame-retardant sheath material as claimed in any one of claims 1 to 5, characterized in that: the method comprises the following steps:
adding matrix resin, an inorganic flame retardant, a flame-retardant synergist, an anti-UV agent, a compatilizer, a lubricant and an antioxidant into an internal mixer, and carrying out internal mixing;
and (3) transferring the materials in the internal mixer into a double-screw/single-screw double-stage mixing granulator set, and extruding and granulating to obtain the heat-resistant and UV-resistant flame-retardant sheath material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910421599.9A CN110240742B (en) | 2019-05-21 | 2019-05-21 | Heat-resistant anti-UV flame-retardant sheath material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910421599.9A CN110240742B (en) | 2019-05-21 | 2019-05-21 | Heat-resistant anti-UV flame-retardant sheath material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110240742A CN110240742A (en) | 2019-09-17 |
| CN110240742B true CN110240742B (en) | 2022-02-22 |
Family
ID=67884383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910421599.9A Active CN110240742B (en) | 2019-05-21 | 2019-05-21 | Heat-resistant anti-UV flame-retardant sheath material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110240742B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903538A (en) * | 2019-12-05 | 2020-03-24 | 中广核三角洲（苏州）高聚物有限公司 | 90-DEG C cracking-resistant moisture-proof flame-retardant polyethylene cable material and preparation method thereof |
| CN111662499A (en) * | 2020-05-13 | 2020-09-15 | 扬州市好年华高分子材料有限公司 | Low-heat-release low-smoke halogen-free flame-retardant polyolefin cable material and preparation method thereof |
| CN114106457B (en) * | 2021-10-20 | 2023-07-25 | 广东聚石化学股份有限公司 | Extrusion type flame-retardant polypropylene material and preparation method and application thereof |
| CN115850844B (en) * | 2022-11-18 | 2024-03-29 | 广东聚石化学股份有限公司 | Cable material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073780A (en) * | 2013-01-25 | 2013-05-01 | 杭州双马高分子材料科技有限公司 | Low-smoke, zero-halogen and high-flame-retardant polyolefin sheath material and preparation method thereof |
| CN103275385A (en) * | 2013-05-23 | 2013-09-04 | 宝胜科技创新股份有限公司 | Nuclear power halogen-free, low-smoke and flame-retardant cable sheath material with high elongation and long service life and preparation method thereof |
| CN108017826A (en) * | 2017-12-27 | 2018-05-11 | 常熟市中联光电新材料有限责任公司 | A kind of flame-retardant polyethylene sheathing material and preparation method thereof |
| CN108059761A (en) * | 2017-12-11 | 2018-05-22 | 上海至正道化高分子材料股份有限公司 | A kind of 125 DEG C of cross-linking radiation photovoltaic cable flame-retardant sheath materials and preparation method thereof |
| CN109651691A (en) * | 2018-12-04 | 2019-04-19 | 上海至正道化高分子材料股份有限公司 | Low-temperature-resistant oil-resistant torsion-resistant low-smoke halogen-free flame-retardant wind energy cable sheath material and preparation method and application thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005029604A (en) * | 2003-07-08 | 2005-02-03 | Japan Polyolefins Co Ltd | Flexible flame-retardant resin material and electric wire/cable using the same |
-
2019
- 2019-05-21 CN CN201910421599.9A patent/CN110240742B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073780A (en) * | 2013-01-25 | 2013-05-01 | 杭州双马高分子材料科技有限公司 | Low-smoke, zero-halogen and high-flame-retardant polyolefin sheath material and preparation method thereof |
| CN103275385A (en) * | 2013-05-23 | 2013-09-04 | 宝胜科技创新股份有限公司 | Nuclear power halogen-free, low-smoke and flame-retardant cable sheath material with high elongation and long service life and preparation method thereof |
| CN108059761A (en) * | 2017-12-11 | 2018-05-22 | 上海至正道化高分子材料股份有限公司 | A kind of 125 DEG C of cross-linking radiation photovoltaic cable flame-retardant sheath materials and preparation method thereof |
| CN108017826A (en) * | 2017-12-27 | 2018-05-11 | 常熟市中联光电新材料有限责任公司 | A kind of flame-retardant polyethylene sheathing material and preparation method thereof |
| CN109651691A (en) * | 2018-12-04 | 2019-04-19 | 上海至正道化高分子材料股份有限公司 | Low-temperature-resistant oil-resistant torsion-resistant low-smoke halogen-free flame-retardant wind energy cable sheath material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110240742A (en) | 2019-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110240742B (en) | Heat-resistant anti-UV flame-retardant sheath material and preparation method thereof | |
| EP3053956B1 (en) | Zero-halogen cable insulation material for 125°c irradiation cross-linked epcv photovoltaics, and method for preparation thereof | |
| CN109627567A (en) | A kind of B1 grades of fire-retardant irradiated crosslinking low-smoke and halogen-free insulated cable material and preparation method thereof | |
| CN106633312B (en) | Oil-resistant high-temperature-resistant halogen-free flame-retardant thermal shrinkage identification tube and production method thereof | |
| CN112321934B (en) | Irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin material for 150 ℃ American standard electronic wire and preparation method thereof | |
| WO2015043122A1 (en) | Zero halogen sheath material for 125°c irradiation cross-linked epcv photovoltaics, and method for preparation thereof | |
| CN111004433A (en) | Irradiation crosslinking low-smoke halogen-free sheath material for photovoltaic cable and preparation method thereof | |
| CN105367883B (en) | A kind of micro- cross-linking low smoke halogen-free fire retardant polyolefin cable material and preparation method thereof | |
| CN109251399B (en) | Soft low-smoke halogen-free high-flame-retardant oil-resistant cable material for high-voltage line in vehicle and preparation method thereof | |
| CN111378222A (en) | B1Grade flame-retardant 105 ℃ irradiation crosslinking halogen-free low-smoke insulating cable material and preparation method thereof | |
| CN115181356A (en) | Low-smoke halogen-free flame-retardant polyolefin cable material for ships at 105 ℃, preparation method and application | |
| CN102898715B (en) | Extremely temperature sensitive halogen-free and low smoke flame retardant plastic alloy for cables and preparation method thereof | |
| CN113861550A (en) | B1-grade ultraviolet light crosslinking low-smoke halogen-free flame-retardant cable material and preparation method thereof | |
| CN112442231B (en) | Insulated cable material and preparation method and application thereof | |
| CN111592711B (en) | Efficient halogen-free flame-retardant EVA material for heat-shrinkable tube and preparation method thereof | |
| CN112812416A (en) | Semi-hard halogen-free red phosphorus-free flame-retardant heat-shrinkable tubing and preparation method thereof | |
| CN115449144A (en) | Irradiation crosslinking type halogen-free flame-retardant low-specific-gravity cable material and preparation method thereof | |
| CN113912927A (en) | Ceramizable ultraviolet crosslinking low-smoke halogen-free flame-retardant polyolefin composition and preparation method thereof | |
| CN113896976A (en) | Ceramizable irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin composition and preparation method thereof | |
| CN110894316B (en) | High-temperature-resistance high-flame-retardant low-smoke halogen-free material and preparation method thereof | |
| CN107177078A (en) | A kind of flame retardant cable | |
| CN111909444A (en) | Cross-linking oil-resistant low-temperature-resistant low-smoke halogen-free flame-retardant cable material | |
| CN114716791B (en) | Irradiation crosslinking oil-resistant and low-temperature-resistant rubber composition, and preparation method and application thereof | |
| CN111560144A (en) | Low-smoke halogen-free polyolefin cable material and preparation method thereof | |
| CN112280160B (en) | Irradiation crosslinking heat-shrinkable material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: 423600 Yonglejiang Town, Anren County, Chenzhou City, Hunan Province Patentee after: Hunan Jushi Technology Co.,Ltd. Address before: 511540 B6, Xiongxing Industrial Zone, Longtang Industrial Park, Qingyuan hi tech Industrial Development Zone, Guangdong Province Patentee before: POLYROCKS CHEMICAL Co.,Ltd. |