CN105176041A - Stretch-proof and breakdown-resistant insulating material and preparation method thereof - Google Patents
Stretch-proof and breakdown-resistant insulating material and preparation method thereof Download PDFInfo
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- CN105176041A CN105176041A CN201510655143.0A CN201510655143A CN105176041A CN 105176041 A CN105176041 A CN 105176041A CN 201510655143 A CN201510655143 A CN 201510655143A CN 105176041 A CN105176041 A CN 105176041A
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- insulating material
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- 239000011810 insulating material Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 230000015556 catabolic process Effects 0.000 title abstract 4
- CDOUZKKFHVEKRI-UHFFFAOYSA-N 3-bromo-n-[(prop-2-enoylamino)methyl]propanamide Chemical compound BrCCC(=O)NCNC(=O)C=C CDOUZKKFHVEKRI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 235000019329 dioctyl sodium sulphosuccinate Nutrition 0.000 claims abstract description 16
- 239000003365 glass fiber Substances 0.000 claims abstract description 15
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 15
- 239000004417 polycarbonate Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- -1 Poly butylene succinate Polymers 0.000 claims description 27
- 238000007670 refining Methods 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 20
- 229920001971 elastomer Polymers 0.000 claims description 15
- 239000005060 rubber Substances 0.000 claims description 15
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 14
- 229920002961 polybutylene succinate Polymers 0.000 claims description 14
- 239000004631 polybutylene succinate Substances 0.000 claims description 14
- 229920001195 polyisoprene Polymers 0.000 claims description 14
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 14
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 claims description 13
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 5
- ZMKVBUOZONDYBW-UHFFFAOYSA-N 1,6-dioxecane-2,5-dione Chemical compound O=C1CCC(=O)OCCCCO1 ZMKVBUOZONDYBW-UHFFFAOYSA-N 0.000 abstract 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 abstract 1
- 238000003490 calendering Methods 0.000 abstract 1
- 229920003049 isoprene rubber Polymers 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Abstract
The invention discloses a stretch-proof and breakdown-resistant insulating material and a preparation method thereof. The insulating material is prepared from 15-40 parts of polycarbonate, 8-20 parts of butylene succinate, 4-10 parts of dioctyl sodium sulfosuccinate, 5-10 parts of glass fiber, 6-15 parts of isoprene rubber and 5-10 parts of butadiene styrene rubber. The preparation method includes the steps of conducting primary banburying and secondary banburying, conducting open milling through an open mill, conducting calendering through a calender, and conducting cooling to obtain the stretch-proof and breakdown-resistant insulating material. The prepared insulating material has stretch strength of 50 MPa or higher and breakdown field intensity of 38 KV/mm or higher.
Description
Technical field
The invention belongs to insulating material field, relate to resistance to insulating material punctured of a kind of stretch-proof and preparation method thereof.
Background technology
Resistance coefficient is greater than 10
9the material of Ω .cm is called insulating material on electrotechnology.The effect of insulating material in the electrical apparatus bands different for current potential point part is kept apart.Therefore insulating material should have good dielectric properties, namely has higher insulation resistance and compressive strength, and can avoid leaking electricity, creepage or the accident such as to puncture; Secondly resistance toheat will be got well, wherein especially with unimportant because producing performance variation by heat effect (thermal ageing) for a long time; In addition also have good thermal conductivity, moisture resistance and have higher physical strength and processes convenient etc.Inorganic insulating material comprises mica, porcelain, asbestos, marble, glass, sulphur etc.For the winding insulation of motor, electrical equipment, switch baseplate and insulator etc.Organic insulation comprises rubber, resin, shellac, cotton yarn paper, fiber crops, silk, artificial fiber tube etc.For the manufacture of the outer layer insulation etc. of insullac, winding conducting wire.Mix insulation material is carry out by two kinds of insulating material the profiled insulation material processed.For the base, shell etc. of electrical equipment.
Summary of the invention
The technical problem solved: the object of the invention is to improve the stretch-proof of insulating material and the resistance to intensity punctured, improve the characteristic of insulating material, avoids insulating material in the application due to larger external force and causes its fracture or produce by situation about puncturing after high pressure.
Technical scheme: the invention discloses the resistance to insulating material punctured of a kind of stretch-proof, the resistance to insulating material punctured of described stretch-proof comprises the composition of following weight parts:
Polycarbonate 15-40 part,
Poly butylene succinate 8-20 part,
Dioctyl Sodium Sulfosuccinate 4-10 part,
Glass fibre 5-10 part,
Polyisoprene rubber 6-15 part,
Styrene-butadiene rubber(SBR) 5-10 part,
Diallyl dimethyl ammoniumchloride 2-4 part,
Polyethylene terephthalate 3-6 part,
KH550 silane coupling agent 1-4 part.
Further, the resistance to insulating material punctured of described a kind of stretch-proof, comprises the composition of following weight parts:
Polycarbonate 18-34 part,
Poly butylene succinate 12-18 part,
Dioctyl Sodium Sulfosuccinate 6-9 part,
Glass fibre 7-9 part,
Polyisoprene rubber 8-12 part,
Styrene-butadiene rubber(SBR) 6-9 part,
Diallyl dimethyl ammoniumchloride 3-4 part,
Polyethylene terephthalate 3-5 part,
KH550 silane coupling agent 2-3 part.
The preparation method of the resistance to insulating material punctured of described a kind of stretch-proof, step is as follows:
(1) get polycarbonate 15-40 part, poly butylene succinate 8-20 part, Dioctyl Sodium Sulfosuccinate 4-10 part, glass fibre 5-10 part, polyisoprene rubber 6-15 part, styrene-butadiene rubber(SBR) 5-10 part by weight respectively, dropping in Banbury mixer, is 105-in temperature
Banburying 10-15min at 115 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 2-4 part, polyethylene terephthalate 3-6 part, KH550 silane coupling agent 1-4 part more by weight, keep temperature to fix, then banburying 5-10min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 140-160 DEG C, and opening the refining time is 10-20min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Further, the preparation method of the resistance to insulating material punctured of described a kind of stretch-proof, in described preparation method's step (1), banburying temperature is 110 DEG C.
Further, the preparation method of the resistance to insulating material punctured of described a kind of stretch-proof, in described preparation method's step (1), the banburying time is 12min.
Further, the preparation method of the resistance to insulating material punctured of described a kind of stretch-proof, in described preparation method's step (3), mill temperature is 150 DEG C.
Further, the preparation method of the resistance to insulating material punctured of described a kind of stretch-proof, opening the refining time in described preparation method's step (3) is 15min.
Beneficial effect: the insulating material that preparation method of the present invention prepares effectively improves the tensile strength of conventional insulating material and resistance to disruptive strength, and the tensile strength of insulating material of the present invention is more than 50MPa, and its breaking down field strength is more than 38KV/mm.The diallyl dimethyl ammoniumchloride added in preparation method of the present invention, polyethylene terephthalate, Dioctyl Sodium Sulfosuccinate have very crucial effect to the tensile strength improving insulating material.
Embodiment
Embodiment 1
(1) get polycarbonate 40 parts, poly butylene succinate 8 parts, Dioctyl Sodium Sulfosuccinate 4 parts, 10 parts, glass fibre, polyisoprene rubber 15 parts, 5 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 15min at temperature is 115 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 4 parts, polyethylene terephthalate 3 parts, KH550 silane coupling agent 4 parts again by weight, keep temperature to fix, then banburying 10min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 160 DEG C, and opening the refining time is 20min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Embodiment 2
(1) get polycarbonate 15 parts, poly butylene succinate 20 parts, Dioctyl Sodium Sulfosuccinate 10 parts, 5 parts, glass fibre, polyisoprene rubber 6 parts, 10 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 10min at temperature is 105 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 2 parts, polyethylene terephthalate 6 parts, KH550 silane coupling agent 1 part again by weight, keep temperature to fix, then banburying 5min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 140 DEG C, and opening the refining time is 10min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Embodiment 3
(1) get polycarbonate 34 parts, poly butylene succinate 12 parts, Dioctyl Sodium Sulfosuccinate 9 parts, 7 parts, glass fibre, polyisoprene rubber 12 parts, 6 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 15min at temperature is 115 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 4 parts, polyethylene terephthalate 3 parts, KH550 silane coupling agent 3 parts again by weight, keep temperature to fix, then banburying 10min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 160 DEG C, and opening the refining time is 20min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Embodiment 4
(1) get polycarbonate 18 parts, poly butylene succinate 18 parts, Dioctyl Sodium Sulfosuccinate 6 parts, 9 parts, glass fibre, polyisoprene rubber 8 parts, 9 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 10min at temperature is 105 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 3 parts, polyethylene terephthalate 5 parts, KH550 silane coupling agent 2 parts again by weight, keep temperature to fix, then banburying 5min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 140 DEG C, and opening the refining time is 10min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Embodiment 5
(1) get polycarbonate 25 parts, poly butylene succinate 15 parts, Dioctyl Sodium Sulfosuccinate 7 parts, 8 parts, glass fibre, polyisoprene rubber 10 parts, 7 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 12min at temperature is 110 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 3 parts, polyethylene terephthalate 4 parts, KH550 silane coupling agent 2 parts again by weight, keep temperature to fix, then banburying 5min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 150 DEG C, and opening the refining time is 15min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Comparative example 1
(1) get polycarbonate 15 parts, poly butylene succinate 20 parts, Dioctyl Sodium Sulfosuccinate 10 parts, 5 parts, glass fibre, polyisoprene rubber 6 parts, 10 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 10min at temperature is 105 DEG C;
(2) in Banbury mixer, add polyethylene terephthalate 6 parts, KH550 silane coupling agent 1 part again by weight, keep temperature to fix, then banburying 5min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 140 DEG C, and opening the refining time is 10min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Comparative example 2
(1) get polycarbonate 15 parts, poly butylene succinate 20 parts, Dioctyl Sodium Sulfosuccinate 10 parts, 5 parts, glass fibre, polyisoprene rubber 6 parts, 10 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 10min at temperature is 105 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 2 parts, KH550 silane coupling agent 1 part again by weight, keep temperature to fix, then banburying 5min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 140 DEG C, and opening the refining time is 10min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
Comparative example 3
(1) get polycarbonate 15 parts, poly butylene succinate 20 parts, Dioctyl Sodium Sulfosuccinate 10 parts, 5 parts, glass fibre, polyisoprene rubber 6 parts, 10 parts, styrene-butadiene rubber(SBR) by weight respectively, drop in Banbury mixer, banburying 10min at temperature is 105 DEG C;
(2) in Banbury mixer, add KH550 silane coupling agent 1 part by weight again, keep temperature to fix, then banburying 5min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 140 DEG C, and opening the refining time is 10min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
The tensile strength of embodiment 1 to 5 and comparative example 1 to 3 and breaking down field strength are respectively as table 1 and table 2:
Table 1
| Tensile strength (MPa) | Breaking down field strength (KV/mm) | |
| Embodiment 1 | 53 | 38 |
| Embodiment 2 | 53 | 38 |
| Embodiment 3 | 59 | 39 |
| Embodiment 4 | 57 | 40 |
| Embodiment 5 | 64 | 42 |
Table 2
| Tensile strength (MPa) | Breaking down field strength (KV/mm) | |
| Comparative example 1 | 49 | 37 |
| Comparative example 2 | 50 | 37 |
| Comparative example 3 | 38 | 36 |
Claims (7)
1. the resistance to insulating material punctured of stretch-proof, is characterized in that, the resistance to insulating material punctured of described stretch-proof comprises the composition of following weight parts:
Polycarbonate 15-40 part,
Poly butylene succinate 8-20 part,
Dioctyl Sodium Sulfosuccinate 4-10 part,
Glass fibre 5-10 part,
Polyisoprene rubber 6-15 part,
Styrene-butadiene rubber(SBR) 5-10 part,
Diallyl dimethyl ammoniumchloride 2-4 part,
Polyethylene terephthalate 3-6 part,
KH550 silane coupling agent 1-4 part.
2. the resistance to insulating material punctured of a kind of stretch-proof according to claim 1, is characterized in that, the resistance to insulating material punctured of described stretch-proof comprises the composition of following weight parts:
Polycarbonate 18-34 part,
Poly butylene succinate 12-18 part,
Dioctyl Sodium Sulfosuccinate 6-9 part,
Glass fibre 7-9 part,
Polyisoprene rubber 8-12 part,
Styrene-butadiene rubber(SBR) 6-9 part,
Diallyl dimethyl ammoniumchloride 3-4 part,
Polyethylene terephthalate 3-5 part,
KH550 silane coupling agent 2-3 part.
3. the preparation method of the resistance to insulating material punctured of a kind of stretch-proof according to claim 1, is characterized in that, described preparation method's step is as follows:
(1) get polycarbonate 15-40 part, poly butylene succinate 8-20 part, Dioctyl Sodium Sulfosuccinate 4-10 part, glass fibre 5-10 part, polyisoprene rubber 6-15 part, styrene-butadiene rubber(SBR) 5-10 part by weight respectively, dropping in Banbury mixer, is 105-in temperature
Banburying 10-15min at 115 DEG C;
(2) in Banbury mixer, add diallyl dimethyl ammoniumchloride 2-4 part, polyethylene terephthalate 3-6 part, KH550 silane coupling agent 1-4 part more by weight, keep temperature to fix, then banburying 5-10min;
(3) discharged by the compound after step (2) banburying, then carry out out refining with mill, mill temperature is 140-160 DEG C, and opening the refining time is 10-20min;
(4) finally rolled with rolling press by compound, cooling, obtains the resistance to insulating material punctured of stretch-proof again.
4. the preparation method of the resistance to insulating material punctured of a kind of stretch-proof according to claim 3, is characterized in that, in described preparation method's step (1), banburying temperature is 110 DEG C.
5. the preparation method of the resistance to insulating material punctured of a kind of stretch-proof according to claim 3, is characterized in that, in described preparation method's step (1), the banburying time is 12min.
6. the preparation method of the resistance to insulating material punctured of a kind of stretch-proof according to claim 3, is characterized in that, in described preparation method's step (3), mill temperature is 150 DEG C.
7. the preparation method of the resistance to insulating material punctured of a kind of stretch-proof according to claim 3, is characterized in that, opening the refining time in described preparation method's step (3) is 15min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655143.0A CN105176041B (en) | 2015-10-12 | 2015-10-12 | Stretch-proof and breakdown-resistant insulating material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510655143.0A CN105176041B (en) | 2015-10-12 | 2015-10-12 | Stretch-proof and breakdown-resistant insulating material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105176041A true CN105176041A (en) | 2015-12-23 |
| CN105176041B CN105176041B (en) | 2017-01-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163543A (en) * | 2017-07-18 | 2017-09-15 | 合肥峰腾节能科技有限公司 | A kind of composite insulating material and preparation method thereof |
| CN107266779A (en) * | 2017-07-26 | 2017-10-20 | 合肥尚强电气科技有限公司 | A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof |
| CN110527269A (en) * | 2019-09-02 | 2019-12-03 | 福建鑫邦新材料科技有限公司 | A kind of modified polycarbonate material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10237296A (en) * | 1997-02-28 | 1998-09-08 | Dai Ichi Kogyo Seiyaku Co Ltd | Thermoplastic resin composition and compatibilizing agent used therefor |
| CN102959011A (en) * | 2010-04-23 | 2013-03-06 | 拜耳知识产权有限责任公司 | Polymeric anti-static agent |
-
2015
- 2015-10-12 CN CN201510655143.0A patent/CN105176041B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10237296A (en) * | 1997-02-28 | 1998-09-08 | Dai Ichi Kogyo Seiyaku Co Ltd | Thermoplastic resin composition and compatibilizing agent used therefor |
| CN102959011A (en) * | 2010-04-23 | 2013-03-06 | 拜耳知识产权有限责任公司 | Polymeric anti-static agent |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163543A (en) * | 2017-07-18 | 2017-09-15 | 合肥峰腾节能科技有限公司 | A kind of composite insulating material and preparation method thereof |
| CN107266779A (en) * | 2017-07-26 | 2017-10-20 | 合肥尚强电气科技有限公司 | A kind of power engineering insulating materials of fire-retardant stretch-proof and preparation method thereof |
| CN110527269A (en) * | 2019-09-02 | 2019-12-03 | 福建鑫邦新材料科技有限公司 | A kind of modified polycarbonate material and preparation method thereof |
| CN110527269B (en) * | 2019-09-02 | 2021-10-01 | 福建鑫邦新材料科技有限公司 | Modified polycarbonate material and preparation method thereof |
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| CN105176041B (en) | 2017-01-11 |
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Effective date of registration: 20171215 Address after: 226000 Jiangsu city of Nantong Province Haimen town private Hong Kong West Road No. 999-8 in room 5. Patentee after: Haimen China Hi-tech Mstar Technology Ltd Address before: 518000, Guangdong, Shenzhen province Longhua New District Guanlan street, Song Yuan community, west Wai Wai, No. 114, A Patentee before: SHENZHEN XINCHANGLONG NEW MATERIAL TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 238 Taihai Road, Baochang Town, Haimen District, Nantong City, Jiangsu Province 226100 Patentee after: Nantong huagaoxin Material Technology Co.,Ltd. Address before: Room 5, no.999-8 Gangxi Avenue, Baochang Town, Haimen City, Nantong City, Jiangsu Province, 226000 Patentee before: HAIMEN HUAGAO NEW MATERIAL TECHNOLOGY Co.,Ltd. |