KR101802554B1 - 파괴 강도가 개선된 재활용가능한 열가소성 절연재 - Google Patents
파괴 강도가 개선된 재활용가능한 열가소성 절연재 Download PDFInfo
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- KR101802554B1 KR101802554B1 KR1020137011123A KR20137011123A KR101802554B1 KR 101802554 B1 KR101802554 B1 KR 101802554B1 KR 1020137011123 A KR1020137011123 A KR 1020137011123A KR 20137011123 A KR20137011123 A KR 20137011123A KR 101802554 B1 KR101802554 B1 KR 101802554B1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/06—Polyethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- 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
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- 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
- H01B3/307—Other macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Insulated Conductors (AREA)
Abstract
Description
도 2a 및 도 2b는 LDPE의 주사 전자 현미경사진(SEM)이다.
도 3a 및 도 3b는 본 발명의 실시양태에 의한 중합체 조성물의 SEM이다.
도 4는 가교된 폴리에틸렌의 SEM이다.
도 5는 LDPE로 이루어진 코팅된 도체 절연층의 SEM이다.
도 6은 본 발명의 한 실시양태에 의한 코팅된 도체 절연층의 SEM이다.
HDPE (40055E) |
LDPE (DFDK-7423 NT) |
|
MI | 0.41 | 2.1 |
밀도 | 0.955 | 0.920 |
중량%* | 20 | 80 |
척도 파라미터(kV/mm) | 형태 파라미터 | |
LDPE-급냉 | 161±2 | 27±6 |
혼합물 제제-급냉 | 165±4 | 14±4 |
혼합물 제제- 0.5 K/분 | 176±4 | 19±5 |
혼합물 제제- 10 K/분 | 178±3 | 20±5 |
HDPE(40055E) | LDPE(DFDK-7423 NT) | |
MI | 0.41 | 2.1 |
밀도 | 0.955 | 0.920 |
중량%* | 20 | 80 |
특성& | 실시예 2 | 열가소성 LDPE(CS1) | HFDK-4201EC/ HFDK-0587BK(CS2) |
절연 압출기 | |||
스크루 속도(rpm) | 25 | 25 | 35 |
융점(℃) | 164 | 163 | 133 |
반도체 압출기 | |||
스크루 속도(rpm) | 7 | 7 | 10 |
융점(℃) | 151 | 152 | 138 |
선속도(m/분) | 1.1 | 1.1 | 1.5 |
코어 외부 직경(mm) | 15.1 | 15.1 | 14.8 |
케이블 샘플 파괴 전압 (kV) | ||||||||
물질 | 온도 (℃) |
1 | 2 | 3 | 4 | 5 | 와이불 특성 파괴 전압(kV) |
와이불 형태 파라미터 |
XLPE | 15±5 | 164 | 177 | 190 | 190 | 217 | 196 | 11 |
67±10 | 96 | 123 | 137 | 137 | 150 | 136 | 9 | |
100±15 | 123 | 123 | 150 | - | - | N/A | N/A | |
LDPE | 15±5 | >400 | >400 | >400 | 392 | 338 | N/A | N/A |
67±10 | >400 | >400 | 285 | 365 | 365 | N/A | N/A | |
100±15 | 190 | 244 | 365 | - | - | N/A | N/A | |
실시예 2 | 15±5 | >400 | >400 | >400 | >400 | >400 | N/A | N/A |
67±10 | >400 | >400 | >400 | 379 | 352 | N/A | N/A | |
100±15 | >400 | 325 | 271 | - | - | N/A | N/A |
Claims (15)
- 열가소성 절연재를 제조하는 방법으로서,
(i) 105℃ 내지 125℃의 융점을 갖는 50 중량% 이상의 저밀도 폴리에틸렌(LDPE), (ii) 130℃ 내지 134℃의 융점을 갖는 50 중량% 미만의 고밀도 폴리에틸렌(HDPE) 및 (iii) 임의의 항산화제로 이루어진 중합체 조성물을 적어도 HDPE의 융점까지 가열하는 단계;
가열된 중합체 조성물을 0.1℃/분 내지 10℃/분의 냉각 속도로 제어-냉각하는 단계; 및
LDPE에 의해 분리된 HDPE 라멜라(lamellae)의 공간 충전 배열(space-filling array)을 갖는 중합체 조성물을 형성하는 단계를 포함하고, 상기 중합체 조성물은 ASTM D 149에 따라 85 마이크로미터 박막에 대해 측정하였을 때 170 kV/mm 초과의 AC 파괴 강도를 갖는 방법. - 삭제
- 제1항에 있어서,
HDPE 5 중량% 내지 35 중량% 및 LDPE 95 중량% 내지 65 중량%를 용융 혼합하는 단계; 및
중합체 조성물을 형성하는 단계를 포함하는 방법. - 제1항에 있어서, 상기 중합체 조성물을 적어도 130℃로 가열하는 단계; 및 130℃에서 90℃로 제어-냉각하는 단계를 포함하는 방법.
- 제1항에 있어서, 상기 중합체 조성물을 적어도 130℃로 가열하는 단계; 및 가열된 중합체 조성물을 0.1℃/분 내지 10℃/분의 속도로 130℃에서 90℃로 제어-냉각하는 단계를 포함하는 방법.
- 제1항에 있어서, 상기 중합체 조성물을 적어도 130℃로 가열하는 단계; 130℃에서 90℃로 제어-냉각하는 단계; 및 가열된 중합체 조성물의 온도가 105℃ 미만일 경우에 급냉하는 단계를 포함하는 방법.
- 코팅된 도체의 제조 방법으로서,
(i) 105℃ 내지 125℃의 융점을 갖는 50 중량% 이상의 저밀도 폴리에틸렌(LDPE), (ii) 130℃ 내지 134℃의 융점을 갖는 50 중량% 미만의 고밀도 폴리에틸렌(HDPE) 및 (iii) 임의의 항산화제로 이루어진 중합체 조성물을 HDPE의 융점보다 높은 온도까지 가열하는 단계;
가열된 중합체 조성물을 도체상으로 압출하는 단계;
도체상에 배치된 가열된 중합체 조성물을 0.1℃/분 내지 15℃/분의 냉각 속도로 제어-냉각하는 단계; 및
도체상에 코팅을 형성하는 단계를 포함하며, 상기 코팅은 LDPE에 의해 분리된 HDPE 라멜라의 공간 충전 배열을 갖고, ASTM D 149에 따라 85 마이크로미터 박막에 대해 측정하였을 때 170 kV/mm 초과의 AC 파괴 강도를 갖는 중합체 조성물을 포함하는, 코팅된 도체의 제조 방법. - 제7항에 있어서, 상기 중합체 조성물을 적어도 130℃로 가열하는 단계; 도체상에 배치된 가열된 중합체 조성물의 온도가 130℃에서 90℃로 되도록 제어-냉각하는 단계; 및 도체상에 배치된 가열된 중합체 조성물의 온도가 90℃ 미만일 때 코팅된 도체를 급냉하는 단계를 포함하는 방법.
- 제7항 또는 제8항에 있어서, 상기 도체상에 무가교 코팅을 형성하는 단계를 포함하는 방법.
- 코팅된 도체로서,
도체; 및
상기 도체상에 형성되고, 50 중량% 이상의 저밀도 폴리에틸렌(LDPE)에 분산된 50 중량% 미만의 고밀도 폴리에틸렌(HDPE) 라멜라(lamellae), 및 임의의 항산화제로 이루어진 중합체 조성물을 포함하는 코팅
을 포함하고, 상기 HDPE는 130℃ 내지 134℃의 융점을 갖고 LDPE는 105℃ 내지 125℃의 융점을 가지며, 상기 중합체 조성물은 ASTM D 149에 따라 85 마이크로미터 박막에 대해 측정하였을 때 170 kV/mm 초과의 AC 파괴 강도를 갖는 코팅된 도체. - 제10항에 있어서, 상기 중합체 조성물이 HDPE 5 중량% 내지 35 중량% 및 LDPE 95 중량% 내지 65 중량%의 혼합물을 포함하는 것인 코팅된 도체.
- 삭제
- 제10항 또는 제11항에 있어서, 상기 LDPE가 35%의 결정도를 갖는 것인 코팅된 도체.
- 제10항 또는 제11항에 있어서, 상기 코팅이 무가교 코팅인 코팅된 도체.
- 제10항 또는 제11항에 있어서, 상기 중합체 조성물이 제어-냉각된 중합체 조성물인 코팅된 도체.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US38841610P | 2010-09-30 | 2010-09-30 | |
US61/388,416 | 2010-09-30 | ||
PCT/US2011/052921 WO2012044523A1 (en) | 2010-09-30 | 2011-09-23 | Recyclable thermoplastic insulation with improved breakdown strength |
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KR20140050572A KR20140050572A (ko) | 2014-04-29 |
KR101802554B1 true KR101802554B1 (ko) | 2017-11-28 |
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KR1020137011123A Active KR101802554B1 (ko) | 2010-09-30 | 2011-09-23 | 파괴 강도가 개선된 재활용가능한 열가소성 절연재 |
Country Status (10)
Country | Link |
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US (1) | US9404005B2 (ko) |
EP (1) | EP2622012B2 (ko) |
JP (1) | JP5827690B2 (ko) |
KR (1) | KR101802554B1 (ko) |
CN (1) | CN103314049B (ko) |
BR (1) | BR112013007289B1 (ko) |
CA (1) | CA2811587C (ko) |
MX (2) | MX346265B (ko) |
TW (1) | TW201239023A (ko) |
WO (1) | WO2012044523A1 (ko) |
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TWI860420B (zh) | 2019-11-18 | 2024-11-01 | 美商陶氏全球科技有限責任公司 | 抗熱老化之可撓性聚烯烴調配物 |
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- 2011-09-23 US US13/822,245 patent/US9404005B2/en active Active
- 2011-09-23 MX MX2013003607A patent/MX346265B/es active IP Right Grant
- 2011-09-23 KR KR1020137011123A patent/KR101802554B1/ko active Active
- 2011-09-23 BR BR112013007289-0A patent/BR112013007289B1/pt active IP Right Grant
- 2011-09-23 CN CN201180055932.0A patent/CN103314049B/zh active Active
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- 2011-09-23 WO PCT/US2011/052921 patent/WO2012044523A1/en active Application Filing
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Also Published As
Publication number | Publication date |
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BR112013007289B1 (pt) | 2021-05-11 |
CN103314049B (zh) | 2016-03-30 |
MX346265B (es) | 2017-03-13 |
BR112013007289A2 (pt) | 2016-06-14 |
MX385496B (es) | 2025-03-18 |
EP2622012B1 (en) | 2017-12-27 |
WO2012044523A1 (en) | 2012-04-05 |
KR20140050572A (ko) | 2014-04-29 |
CA2811587A1 (en) | 2012-04-05 |
EP2622012B2 (en) | 2023-01-11 |
US20130175068A1 (en) | 2013-07-11 |
TW201239023A (en) | 2012-10-01 |
MX2013003607A (es) | 2013-09-26 |
JP2014500335A (ja) | 2014-01-09 |
CA2811587C (en) | 2017-11-21 |
EP2622012A1 (en) | 2013-08-07 |
CN103314049A (zh) | 2013-09-18 |
JP5827690B2 (ja) | 2015-12-02 |
US9404005B2 (en) | 2016-08-02 |
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