CN103214824A - Isotactic polypropylene insulation radiation-crosslinked cable material and preparation method thereof - Google Patents
Isotactic polypropylene insulation radiation-crosslinked cable material and preparation method thereof Download PDFInfo
- Publication number
- CN103214824A CN103214824A CN2013100991508A CN201310099150A CN103214824A CN 103214824 A CN103214824 A CN 103214824A CN 2013100991508 A CN2013100991508 A CN 2013100991508A CN 201310099150 A CN201310099150 A CN 201310099150A CN 103214824 A CN103214824 A CN 103214824A
- Authority
- CN
- China
- Prior art keywords
- resin
- density polyethylene
- isotatic polypropylene
- modified low
- polyethylene resin
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 35
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 29
- -1 polypropylene Polymers 0.000 title claims abstract description 25
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 24
- 238000009413 insulation Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 31
- 239000011347 resin Substances 0.000 claims abstract description 31
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 14
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 14
- 239000004952 Polyamide Substances 0.000 claims abstract description 11
- 229920002647 polyamide Polymers 0.000 claims abstract description 11
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims abstract description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000006229 carbon black Substances 0.000 claims abstract description 6
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 6
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 6
- 239000010455 vermiculite Substances 0.000 claims abstract description 6
- 238000004132 cross linking Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 11
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 229940126062 Compound A Drugs 0.000 claims description 6
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 235000013312 flour Nutrition 0.000 claims description 5
- 125000005456 glyceride group Chemical group 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 2
- 229910017083 AlN Inorganic materials 0.000 claims description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 2
- 229960001124 trientine Drugs 0.000 claims description 2
- 239000004831 Hot glue Substances 0.000 abstract 2
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 abstract 1
- QANIADJLTJYOFI-UHFFFAOYSA-K aluminum;magnesium;carbonate;hydroxide;hydrate Chemical compound O.[OH-].[Mg+2].[Al+3].[O-]C([O-])=O QANIADJLTJYOFI-UHFFFAOYSA-K 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses an isotactic polypropylene insulation radiation-crosslinked cable material and a preparation method thereof. The material is composed of epoxy-resin-modified polyamide hot-melt adhesive, modified low-density polyethylene resin, isotactic polypropylene resin, white carbon black, vermiculite powder, an accelerator BPP, an antioxidant MB, dibutyl phthalate, phenyl triethoxysilane, dialkyl zinc dithiophosphate, monoglyceride stearate, methyl methacrylate, and hydrotalcite powder. According to the invention, epoxy-resin-modified polyamide hot-melt adhesive, modified low-density polyethylene resin, and isotactic polypropylene resin high-molecular materials are used as base materials of the material; with dibutyl phthalate, inter-solubility of the components are improved; and a plurality of functional auxiliary materials are added. Therefore, the defect of the incapability of being used under high-temperature environment of cable materials is solved. The material has good flame resistance, greatly improved mechanical property, and good dynamical performance.
Description
Technical field
The present invention relates to a kind of isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS and preparation method thereof, belong to the cables manufacturing field.
Background technology
Along with rapid economic development, electric wire all is widely used in industry-by-industry, field, and along with the frequent generation of electrical fire accident, the fire-retardant problem of electric wire causes the attention of countries in the world gradually; Discharge a large amount of smog during cable fire and deleterious, corrosive gas is Hazard Factor in the fire, in fire, hindered people's safe escape and fire-fighting work, make lives and properties suffer heavy losses.
Summary of the invention
The object of the present invention is to provide a kind of isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS and preparation method thereof.
The present invention adopts following technical scheme:
Isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS, the weight part of its constitutive material is: epoxy resin modification polyamide hot 70-75, modified low-density polyethylene resin 30-33, isotatic polypropylene resin 20-30, white carbon black 2.8-3.2, vermiculite power 50-55, accelerant B PP 2.3-2.5, antioxidant MB 1.7-1.9, dibutyl phthalate 1.5-1.7, phenyl triethoxysilane 2.3-2.8, zinc dialkyl dithiophosphate 0.9-1.1, hard ester acid direactive glyceride 1.3-1.5, methyl methacrylate 2.0-3.0, neatly stone flour 6-8.
Isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS, the weight part of its constitutive material is: epoxy resin modification polyamide hot 72, modified low-density polyethylene resin 32, isotatic polypropylene resin 25, white carbon black 3.0, vermiculite power 52, accelerant B PP 2.4, antioxidant MB 1.8, dibutyl phthalate 1.6, phenyl triethoxysilane 2.5, zinc dialkyl dithiophosphate 1.0, hard ester acid direactive glyceride 1.4, methyl methacrylate 2.5, neatly stone flour 7.
The preparation method of isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS may further comprise the steps:
(1) preparation of modified low-density polyethylene resin:
A: 8-12 part superfine aluminium nitride and 15-20 part triethylene tetramine, 10-15 part E-44 Resins, epoxy, 40-45 part ldpe resin are mixed by proportioning, mixture is carried out vacuum outgas handle; Temperature is 50-70 ℃ under the described vacuum state, degassing 1-2h;
B: take off vacuum, be warming up to 105-125 ℃ and solidify 8-12h, deviate from then;
(2) weight part by constitutive material takes by weighing each raw material, and epoxy resin modification polyamide hot, modified low-density polyethylene resin and isotatic polypropylene mixed with resin is even, obtains compound A;
(3) add other constitutive materials by weight among the compound A in above-mentioned steps (2), under the normal temperature stirring at low speed 3-5 minute, make to mix, obtain compound B;
(4) the compound B that above-mentioned steps (3) is obtained temperature 150-170 ℃ mixing 10-20 minute, under 160-180 ℃, plasticated 2-4 minute discharging again.
Beneficial effect of the present invention:
The present invention is owing to adopt epoxy resin modification polyamide hot, modified low-density polyethylene resin and isotatic polypropylene resin macromolecular material and be used as base mateiral of the present invention, and dibutyl phthalate can increase dissolving each other of each component, increased multiple functional auxiliary material simultaneously, solve cable material and can not satisfy the use present situation of under the pyritous environment, working, and have good flame retardancy, mechanical property and significantly improve, mechanical property preferably.
Embodiment
Embodiment 1: isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS, the weight part of its constitutive material (kg) is: epoxy resin modification polyamide hot 72, modified low-density polyethylene resin 32, isotatic polypropylene resin 25, white carbon black 3.0, vermiculite power 52, accelerant B PP 2.4, antioxidant MB 1.8, dibutyl phthalate 1.6, phenyl triethoxysilane 2.5, zinc dialkyl dithiophosphate 1.0, hard ester acid direactive glyceride 1.4, methyl methacrylate 2.5, neatly stone flour 7.
The preparation method of isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS may further comprise the steps:
(1) preparation of modified low-density polyethylene resin:
A: 10 parts of superfine aluminium nitrides and 18 parts of triethylene tetramines, 12 parts of E-44 Resins, epoxy, 42 parts of ldpe resins are mixed by proportioning, mixture is carried out vacuum outgas handle; Temperature is 60 ℃ under the described vacuum state, degassing 1.5h;
B: take off vacuum, be warming up to 115 ℃ and solidify 10h, deviate from then;
(2) weight part by constitutive material takes by weighing each raw material, and epoxy resin modification polyamide hot, modified low-density polyethylene resin and isotatic polypropylene mixed with resin is even, obtains compound A;
(3) add other constitutive materials by weight among the compound A in above-mentioned steps (2), under the normal temperature stirring at low speed 3-5 minute, make to mix, obtain compound B;
(4) the compound B that above-mentioned steps (3) is obtained plasticated 3 minutes discharging again mixing 15 minutes of 160 ℃ of temperature under 170 ℃.
The performance of the CABLE MATERIALS that the foregoing description 1 makes is as follows:
Tensile strength is 17.3-19.4Mpa, and the fracture rate of stretching out is 275-425%, oxygen index 37-39.5%, and testing vertical flammability is by UL-94V0 level, volume specific resistance 8.7 * 10
14Ohm. centimetre, can be by 136 ℃ * 168 hours heat ageing test.
Claims (3)
1. an isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS is characterized in that the weight part of its constitutive material is: epoxy resin modification polyamide hot 70-75, modified low-density polyethylene resin 30-33, isotatic polypropylene resin 20-30, white carbon black 2.8-3.2, vermiculite power 50-55, accelerant B PP 2.3-2.5, antioxidant MB 1.7-1.9, dibutyl phthalate 1.5-1.7, phenyl triethoxysilane 2.3-2.8, zinc dialkyl dithiophosphate 0.9-1.1, hard ester acid direactive glyceride 1.3-1.5, methyl methacrylate 2.0-3.0, neatly stone flour 6-8.
2. isotatic polypropylene insulation cross-linking radiation CABLE MATERIALS according to claim 1 is characterized in that the weight part of its constitutive material is: epoxy resin modification polyamide hot 72, modified low-density polyethylene resin 32, isotatic polypropylene resin 25, white carbon black 3.0, vermiculite power 52, accelerant B PP 2.4, antioxidant MB 1.8, dibutyl phthalate 1.6, phenyl triethoxysilane 2.5, zinc dialkyl dithiophosphate 1.0, hard ester acid direactive glyceride 1.4, methyl methacrylate 2.5, neatly stone flour 7.
3. the preparation method of an isotatic polypropylene as claimed in claim 1 insulation cross-linking radiation CABLE MATERIALS is characterized in that may further comprise the steps:
(1) preparation of modified low-density polyethylene resin:
A: 8-12 part superfine aluminium nitride and 15-20 part triethylene tetramine, 10-15 part E-44 Resins, epoxy, 40-45 part ldpe resin are mixed by proportioning, mixture is carried out vacuum outgas handle; Temperature is 50-70 ℃ under the described vacuum state, degassing 1-2h;
B: take off vacuum, be warming up to 105-125 ℃ and solidify 8-12h, deviate from then;
(2) weight part by constitutive material takes by weighing each raw material, and epoxy resin modification polyamide hot, modified low-density polyethylene resin and isotatic polypropylene mixed with resin is even, obtains compound A;
(3) add other constitutive materials by weight among the compound A in above-mentioned steps (2), under the normal temperature stirring at low speed 3-5 minute, make to mix, obtain compound B;
(4) the compound B that above-mentioned steps (3) is obtained temperature 150-170 ℃ mixing 10-20 minute, under 160-180 ℃, plasticated 2-4 minute discharging again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099150.8A CN103214824B (en) | 2013-03-26 | 2013-03-26 | A kind of Isotactic polypropylene insulation radiation-crosslinkecable cable material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099150.8A CN103214824B (en) | 2013-03-26 | 2013-03-26 | A kind of Isotactic polypropylene insulation radiation-crosslinkecable cable material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103214824A true CN103214824A (en) | 2013-07-24 |
| CN103214824B CN103214824B (en) | 2015-10-21 |
Family
ID=48813011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310099150.8A Active CN103214824B (en) | 2013-03-26 | 2013-03-26 | A kind of Isotactic polypropylene insulation radiation-crosslinkecable cable material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103214824B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103509262A (en) * | 2013-09-06 | 2014-01-15 | 安徽华鸿电气股份有限公司 | Flame-retardant polypropylene cable material |
| CN115477812A (en) * | 2022-10-11 | 2022-12-16 | 安徽泓诺新材料有限公司 | High-elasticity crosslinked polypropylene foam material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218936A (en) * | 1997-09-26 | 1999-06-09 | 松下电器产业株式会社 | Hand gesture identifying device |
| CN1235175A (en) * | 1998-05-12 | 1999-11-17 | 广州金发科技发展有限公司 | Halide-free smokeless flame-resistant thermoplatstic polyolefine composition and preparation thereof |
| CN1580165A (en) * | 2003-07-30 | 2005-02-16 | 北京度辰新材料股份有限公司 | High temperature resistance anticorrosive polyolefin composition and its use |
| CN101286377A (en) * | 2008-05-29 | 2008-10-15 | 浙江大学 | Irradiation cross-linking low smoke halogen-free fire retardant polyolefin cable material |
| CN101613504A (en) * | 2009-07-24 | 2009-12-30 | 青岛中阳消防科技有限公司 | A kind of material and preparation method with temperature sensing cable material of CRT characteristic |
| CN101914236A (en) * | 2010-08-19 | 2010-12-15 | 王进 | Irradiation crosslinking halogen-free high flame-retardant cable material and preparation method thereof |
-
2013
- 2013-03-26 CN CN201310099150.8A patent/CN103214824B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218936A (en) * | 1997-09-26 | 1999-06-09 | 松下电器产业株式会社 | Hand gesture identifying device |
| CN1235175A (en) * | 1998-05-12 | 1999-11-17 | 广州金发科技发展有限公司 | Halide-free smokeless flame-resistant thermoplatstic polyolefine composition and preparation thereof |
| CN1580165A (en) * | 2003-07-30 | 2005-02-16 | 北京度辰新材料股份有限公司 | High temperature resistance anticorrosive polyolefin composition and its use |
| CN101286377A (en) * | 2008-05-29 | 2008-10-15 | 浙江大学 | Irradiation cross-linking low smoke halogen-free fire retardant polyolefin cable material |
| CN101613504A (en) * | 2009-07-24 | 2009-12-30 | 青岛中阳消防科技有限公司 | A kind of material and preparation method with temperature sensing cable material of CRT characteristic |
| CN101914236A (en) * | 2010-08-19 | 2010-12-15 | 王进 | Irradiation crosslinking halogen-free high flame-retardant cable material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103509262A (en) * | 2013-09-06 | 2014-01-15 | 安徽华鸿电气股份有限公司 | Flame-retardant polypropylene cable material |
| CN103509262B (en) * | 2013-09-06 | 2016-04-20 | 安徽华鸿电气股份有限公司 | A kind of flame-retardant polypropylene cable material |
| CN115477812A (en) * | 2022-10-11 | 2022-12-16 | 安徽泓诺新材料有限公司 | High-elasticity crosslinked polypropylene foam material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103214824B (en) | 2015-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103214749A (en) | Thermoplastic polyurethane elastomer cable material and preparation method thereof | |
| CN104327366B (en) | A kind of weather resistant locomotive halogen free flame retardant cable sheath material prescription and preparation method | |
| CN103724777A (en) | Low-smoke flame retardant polyethylene cable material | |
| CN102911439B (en) | Fire-resistant control cable material for ships and method for preparing same | |
| CN102911468B (en) | Controlled power supply combined type cable material and preparation method thereof | |
| CN102746546A (en) | Halogen-free environmentally-friendly power cable material for wind power generation, and its preparation method | |
| CN102816393A (en) | Low-smoke low-halogen flame-retardant crosslinked polyolefin insulated cable material and preparation method thereof | |
| CN103214774A (en) | Polyvinylchloride insulating electric power cable material and preparation method thereof | |
| CN102391567A (en) | Environmentally-friendly polyethylene cable material and preparation method thereof | |
| CN106349555A (en) | Halogen-free flame-retardant cable material, cable and preparation method of cable material | |
| CN102911504A (en) | Environment-friendly waterproof and double-shielding control cable material and preparation method thereof | |
| CN101570611B (en) | Nuclear power 1E-level K3-type thermal shrinkage material and preparation process | |
| CN103992542A (en) | Long-service-life cable material containing compound filling material | |
| CN104945749A (en) | Architectural high-insulativity low-smoke halogen-free flame-retardant cable material and preparation method thereof | |
| CN102746585A (en) | Polypropylene insulation cable material and its preparation method | |
| CN103992567A (en) | Flame retardant high insulation cable material with radiation resistance for nuclear power plant | |
| CN104893085A (en) | Soft halogen-free flame-retardant insulation material for home appliances and preparation method thereof | |
| CN102746636A (en) | Polyethylene insulation power cable material for coal and method for preparing the same | |
| CN103214824A (en) | Isotactic polypropylene insulation radiation-crosslinked cable material and preparation method thereof | |
| CN104151746A (en) | environment-friendly fire-retardant insulation material and application thereof in electric cables | |
| CN103214745A (en) | Halogen-free low-smoke flame-retardant cable material used in computer, and preparation method thereof | |
| CN104877228A (en) | Anti-pollution and self-cleaning halogen-free flame retardant insulating material for household appliance and preparation method of anti-pollution and self-cleaning halogen-free flame retardant insulating material | |
| CN104893086A (en) | High-insulativity halogen-free flame-retardant insulation material for household appliances and preparation method thereof | |
| CN104844894A (en) | Shell powder-containing silicone crosslinked polyethylene cable material and manufacturing method thereof | |
| CN103214708B (en) | A kind of halide-free smokeless polyolefin insulation fireproof power cable material 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An isotactic polypropylene insulation radiation crosslinked cable material and its preparation method Effective date of registration: 20200810 Granted publication date: 20151021 Pledgee: Huizhou bank Limited by Share Ltd. Wuhu inaction branch Pledgor: ANHUI RUIZHIXING CABLE GROUP Co.,Ltd. Registration number: Y2020980004832 |
|
| CP03 | Change of name, title or address |
Address after: 241000 No. 198, Gaoxin Avenue, YAOGOU Industrial Zone, Wuwei County, Wuhu City, Anhui Province Patentee after: Anhui ruizhixing Electronic Technology Group Co.,Ltd. Address before: 238335 no.198, Gaoxin Avenue, YAOGOU Industrial Zone, Wuwei County, Wuhu City, Anhui Province Patentee before: ANHUI RUIZHIXING CABLE GROUP Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230517 Granted publication date: 20151021 Pledgee: Huizhou bank Limited by Share Ltd. Wuhu inaction branch Pledgor: ANHUI RUIZHIXING CABLE GROUP Co.,Ltd. Registration number: Y2020980004832 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An Isotactic Polypropylene Insulated Irradiation Crosslinked Cable Material and Its Preparation Method Effective date of registration: 20230531 Granted publication date: 20151021 Pledgee: Huizhou bank Limited by Share Ltd. Wuhu inaction branch Pledgor: Anhui ruizhixing Electronic Technology Group Co.,Ltd. Registration number: Y2023980042447 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |