GB1020720A - Process for the catalytic hydrogenation of block copolymers - Google Patents
Process for the catalytic hydrogenation of block copolymersInfo
- Publication number
- GB1020720A GB1020720A GB5246964A GB5246964A GB1020720A GB 1020720 A GB1020720 A GB 1020720A GB 5246964 A GB5246964 A GB 5246964A GB 5246964 A GB5246964 A GB 5246964A GB 1020720 A GB1020720 A GB 1020720A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- block copolymers
- hydrogenated
- polymer
- catalysts
- 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.)
- Expired
Links
- 229920001400 block copolymer Polymers 0.000 title abstract 3
- 238000009903 catalytic hydrogenation reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000004411 aluminium Substances 0.000 abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 3
- 229910052782 aluminium Inorganic materials 0.000 abstract 3
- 239000003054 catalyst Substances 0.000 abstract 3
- 229920000642 polymer Polymers 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 239000004793 Polystyrene Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 229920002223 polystyrene Polymers 0.000 abstract 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 abstract 1
- MMEDJBFVJUFIDD-UHFFFAOYSA-N 2-[2-(carboxymethyl)phenyl]acetic acid Chemical compound OC(=O)CC1=CC=CC=C1CC(O)=O MMEDJBFVJUFIDD-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910000091 aluminium hydride Inorganic materials 0.000 abstract 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 229940011182 cobalt acetate Drugs 0.000 abstract 1
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 150000001993 dienes Chemical group 0.000 abstract 1
- 239000003995 emulsifying agent Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000005984 hydrogenation reaction Methods 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 229920000126 latex Polymers 0.000 abstract 1
- 239000012280 lithium aluminium hydride Substances 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229940078494 nickel acetate Drugs 0.000 abstract 1
- 150000002899 organoaluminium compounds Chemical class 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
- 229920002554 vinyl polymer Chemical group 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/02—Hydrogenation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/04—Reduction, e.g. hydrogenation
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33367163A | 1963-12-26 | 1963-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1020720A true GB1020720A (en) | 1966-02-23 |
Family
ID=23303774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5246964A Expired GB1020720A (en) | 1963-12-26 | 1964-12-24 | Process for the catalytic hydrogenation of block copolymers |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS428704B1 (enExample) |
| BE (1) | BE657590A (enExample) |
| DE (1) | DE1222260B (enExample) |
| FR (1) | FR1435845A (enExample) |
| GB (1) | GB1020720A (enExample) |
| NL (1) | NL143940B (enExample) |
| SE (1) | SE307674B (enExample) |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531445A (en) * | 1968-04-23 | 1970-09-29 | Bridgestone Tire Co Ltd | Process for hydrogenating polymers |
| US3686365A (en) * | 1970-11-16 | 1972-08-22 | Robert M Sequeira | Block copolymer compositions |
| US4089824A (en) | 1975-11-11 | 1978-05-16 | Basf Aktiengesellschaft | Hot-melt pressure-sensitive adhesives based on block copolymers |
| US4595749A (en) * | 1984-11-23 | 1986-06-17 | Shell Oil Company | Direct removal of NI catalysts |
| US4672086A (en) * | 1984-12-14 | 1987-06-09 | Basf Aktiengesellschaft | Self-extinguishing thermoplastic polyester molding materials |
| EP0262691A2 (en) | 1981-08-13 | 1988-04-06 | Asahi Kasei Kogyo Kabushiki Kaisha | A modified block copolymer |
| US5212285A (en) * | 1990-06-14 | 1993-05-18 | Shell Oil Company | Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation |
| US5281696A (en) * | 1992-12-07 | 1994-01-25 | Shell Oil Company | Removal of hydrogenation catalyst from polymer solutions by trialkyl aluminum precipitation |
| US5296304A (en) * | 1991-02-26 | 1994-03-22 | Mitsubishi Petrochemical Co., Ltd. | Laminate film for stretch-wrapping and process for producing the same |
| USH1303H (en) | 1990-05-24 | 1994-04-05 | Shell Oil Company | Removal of nickel catalyst from polymer solutions by water addition and centrifugation |
| US5352744A (en) * | 1993-03-15 | 1994-10-04 | University Of Minnesota | Method for hydrogenating polymers and products therefrom |
| EP0731111A3 (en) * | 1995-03-06 | 1996-11-06 | Kuraray Co | Microporous granules of hydrogenated block copolymers and process for their preparation |
| WO1999052953A1 (de) * | 1998-04-08 | 1999-10-21 | Bayer Aktiengesellschaft | Verfahren zur hydrierung aromatischer polymere in gegenwart verzweigter kohlenwasserstoffe |
| WO2002016449A3 (en) * | 2000-08-25 | 2002-05-16 | Kraton Polymers Res Bv | A method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienes |
| WO2001092344A3 (en) * | 2000-06-01 | 2002-06-20 | Kraton Polymers Res Bv | Compositions comprising a functionalized block copolymer crosslinked with aluminum acetylacetonate |
| US6455170B1 (en) | 2000-03-21 | 2002-09-24 | Mitsui Chemicals, Inc. | Modified polypropylene composition and laminate using the composition |
| US6653408B1 (en) | 2002-11-21 | 2003-11-25 | Kraton Polymers U.S. Llc | Compositions comprising a functionalized block copolymer crosslinked with aluminum acetylacetonate |
| WO2012049743A1 (ja) | 2010-10-13 | 2012-04-19 | 旭化成ケミカルズ株式会社 | ポリフェニレンエーテル、並びに樹脂組成物及びその成形体 |
| US8257822B2 (en) | 2008-02-08 | 2012-09-04 | Mitsui Chemicals, Inc. | Film for thermal sterilization packaging |
| WO2013005806A1 (ja) | 2011-07-05 | 2013-01-10 | 旭化成ケミカルズ株式会社 | 樹脂組成物及びその製造方法 |
| US8816014B2 (en) | 2009-10-02 | 2014-08-26 | Asahi Kasei Chemicals Corporation | Method for producing modified conjugated diene-based polymer, modified conjugated diene-based polymer, and modified conjugated diene-based polymer composition |
| WO2015050060A1 (ja) | 2013-10-01 | 2015-04-09 | 旭化成ケミカルズ株式会社 | 樹脂組成物及びその成形体 |
| US9139722B2 (en) | 2009-03-12 | 2015-09-22 | Asahi Kasei Chemicals Corporation | Polypropylene-based resin composition, molded article thereof, and automobile interior or exterior material using the same |
| US9193807B2 (en) | 2010-04-16 | 2015-11-24 | Asahi Kasei Chemicals Corporation | Method for producing modified conjugated diene-based polymer, modified conjugated diene-based polymer, and modified conjugated diene-based polymer composition |
| WO2017208945A1 (ja) | 2016-05-31 | 2017-12-07 | 旭化成株式会社 | 樹脂組成物、樹脂組成物の製造方法及び成形体 |
| WO2019004317A1 (ja) | 2017-06-28 | 2019-01-03 | 旭化成株式会社 | 樹脂組成物、樹脂組成物の製造方法及び成形体 |
| US10179850B2 (en) | 2010-03-08 | 2019-01-15 | Asahi Kasei Chemicals Corporation | Foamable composition, process for producing the same and foam |
| WO2019111910A1 (ja) | 2017-12-06 | 2019-06-13 | 旭化成株式会社 | 車載リチウムイオンバッテリー用部材 |
| WO2020235437A1 (ja) | 2019-05-17 | 2020-11-26 | 旭化成株式会社 | 配線部品 |
| WO2020235498A1 (ja) | 2019-05-17 | 2020-11-26 | 旭化成株式会社 | 樹脂組成物及び成形品 |
| US12371525B2 (en) | 2019-09-30 | 2025-07-29 | Zeon Corporation | Hydrogenated block copolymer composition, method for producing same, and film |
Families Citing this family (84)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2603034C3 (de) * | 1976-01-28 | 1982-04-15 | Basf Ag, 6700 Ludwigshafen | Mineralschmierölgemische |
| US5597872A (en) * | 1990-05-29 | 1997-01-28 | Shell Oil Company | Hydrogenation of polymers having ketone groups |
| JP3213481B2 (ja) | 1994-07-07 | 2001-10-02 | トヨタ自動車株式会社 | 自動車内装用ポリプロピレン樹脂組成物 |
| US6576692B1 (en) | 1994-10-06 | 2003-06-10 | Daicel Chemical Industries, Ltd. | Epoxidized block copolymer, its production, and its composition |
| EP0719832A3 (en) | 1994-12-30 | 1997-01-02 | Gen Electric | Thermoplastic compositions containing polyphenylene ether resin and polyolefins |
| ATE305482T1 (de) * | 1999-12-15 | 2005-10-15 | Dow Global Technologies Inc | Mehrkomponenten-gegenstände aus hydrierten blockcopolymeren |
| AU2002210913A1 (en) | 2000-10-25 | 2002-05-06 | Asahi Kasei Kabushiki Kaisha | Hydrogenated polymer |
| US7081493B2 (en) | 2001-03-15 | 2006-07-25 | Mitsui Chemicals, Inc. | Automotive part made of polypropylene resin composition |
| WO2002083746A1 (en) | 2001-04-11 | 2002-10-24 | Asahi Kasei Kabushiki Kaisha | Hydrogenated polymer and process for producing the same |
| KR100503709B1 (ko) | 2001-10-23 | 2005-07-26 | 아사히 가세이 가부시키가이샤 | 수소첨가 공중합체 |
| US7417081B2 (en) | 2002-04-24 | 2008-08-26 | Asahi Kasei Chemicals Corporation | Asphalt composition |
| JP2006199930A (ja) | 2004-12-24 | 2006-08-03 | Advanced Plastics Compounds Co | 熱可塑性エラストマー及びその成形体 |
| WO2006088187A1 (ja) | 2005-02-21 | 2006-08-24 | Asahi Kasei Chemicals Corporation | 水添ブロック共重合体及びその組成物 |
| TW200708529A (en) | 2005-04-07 | 2007-03-01 | Asahi Kasei Chemicals Corp | Hydrogenation product of block copolymer or sheet or film of the same |
| CN101180356B (zh) | 2005-05-19 | 2013-09-18 | 三井化学株式会社 | 发泡体用树脂组合物及其用途 |
| JP5167120B2 (ja) | 2006-03-29 | 2013-03-21 | 三井化学株式会社 | プロピレン系ランダムブロック共重合体、該共重合体を含む樹脂組成物およびそれからなる成形体 |
| EP2045272B1 (en) | 2006-07-24 | 2010-12-29 | Asahi Kasei Chemicals Corporation | Modified conjugated diene polymer and method for producing the same |
| US8017692B2 (en) | 2006-11-22 | 2011-09-13 | Techno Polymer Co., Ltd. | Resin composition for metal plating, molded article thereof, and metal-plated molded article |
| TW200827377A (en) | 2006-12-26 | 2008-07-01 | Asahi Kasei Chemicals Corp | Radiating material and radiating sheet molded from radiating material |
| EP2108665B1 (en) | 2007-01-18 | 2018-05-16 | Prime Polymer Co., Ltd. | Propylene homopolymer for stress-resistant molded object, composition containing the polymer, and stress-resistant molded object obtained from the same |
| US8541504B2 (en) | 2007-02-20 | 2013-09-24 | Asahi Kasei Chemicals Corporation | Impact absorber composition |
| US20100105837A1 (en) | 2007-03-26 | 2010-04-29 | Asahi Kasei Chemicals Corporation | Thermoplastic composition and molded article thereof |
| ATE534674T1 (de) | 2007-03-28 | 2011-12-15 | Asahi Kasei Chemicals Corp | Verfahren zur herstellung eines modifizierten konjugierten dienpolymers, zusammensetzungen mit dem polymer und reifen mit diesen zusammensetzungen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB863256A (en) * | 1958-12-04 | 1961-03-22 | Phillips Petroleum Co | Improvements in or relating to hydrogenated polymers |
| DE1178604B (de) | 1963-09-07 | 1964-09-24 | Basf Ag | Verfahren zur Hydrierung von Polycyclopentadien |
-
1964
- 1964-12-23 SE SE15589/64A patent/SE307674B/xx unknown
- 1964-12-23 DE DES94815A patent/DE1222260B/de active Pending
- 1964-12-24 BE BE657590D patent/BE657590A/xx unknown
- 1964-12-24 JP JP7277164A patent/JPS428704B1/ja active Pending
- 1964-12-24 FR FR999927A patent/FR1435845A/fr not_active Expired
- 1964-12-24 GB GB5246964A patent/GB1020720A/en not_active Expired
- 1964-12-24 NL NL6415085A patent/NL143940B/xx not_active IP Right Cessation
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| US3531445A (en) * | 1968-04-23 | 1970-09-29 | Bridgestone Tire Co Ltd | Process for hydrogenating polymers |
| US3686365A (en) * | 1970-11-16 | 1972-08-22 | Robert M Sequeira | Block copolymer compositions |
| US4089824A (en) | 1975-11-11 | 1978-05-16 | Basf Aktiengesellschaft | Hot-melt pressure-sensitive adhesives based on block copolymers |
| EP0262691A2 (en) | 1981-08-13 | 1988-04-06 | Asahi Kasei Kogyo Kabushiki Kaisha | A modified block copolymer |
| US4595749A (en) * | 1984-11-23 | 1986-06-17 | Shell Oil Company | Direct removal of NI catalysts |
| US4672086A (en) * | 1984-12-14 | 1987-06-09 | Basf Aktiengesellschaft | Self-extinguishing thermoplastic polyester molding materials |
| USH1303H (en) | 1990-05-24 | 1994-04-05 | Shell Oil Company | Removal of nickel catalyst from polymer solutions by water addition and centrifugation |
| US5212285A (en) * | 1990-06-14 | 1993-05-18 | Shell Oil Company | Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation |
| US5296304A (en) * | 1991-02-26 | 1994-03-22 | Mitsubishi Petrochemical Co., Ltd. | Laminate film for stretch-wrapping and process for producing the same |
| US5281696A (en) * | 1992-12-07 | 1994-01-25 | Shell Oil Company | Removal of hydrogenation catalyst from polymer solutions by trialkyl aluminum precipitation |
| US5352744A (en) * | 1993-03-15 | 1994-10-04 | University Of Minnesota | Method for hydrogenating polymers and products therefrom |
| EP0731111A3 (en) * | 1995-03-06 | 1996-11-06 | Kuraray Co | Microporous granules of hydrogenated block copolymers and process for their preparation |
| WO1999052953A1 (de) * | 1998-04-08 | 1999-10-21 | Bayer Aktiengesellschaft | Verfahren zur hydrierung aromatischer polymere in gegenwart verzweigter kohlenwasserstoffe |
| AU747670B2 (en) * | 1998-04-08 | 2002-05-16 | Bayer Aktiengesellschaft | Method for hydrogenating aromatic polymers in the presence of branched hydrocarbons |
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| WO2001092344A3 (en) * | 2000-06-01 | 2002-06-20 | Kraton Polymers Res Bv | Compositions comprising a functionalized block copolymer crosslinked with aluminum acetylacetonate |
| EA005366B1 (ru) * | 2000-08-25 | 2005-02-24 | Кратон Полимерс Рисерч Б.В. | Способ получения селективно гидрированных блок-сополимеров винилароматических углеводородов и сопряженных диенов |
| WO2002016449A3 (en) * | 2000-08-25 | 2002-05-16 | Kraton Polymers Res Bv | A method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienes |
| KR100822923B1 (ko) * | 2000-08-25 | 2008-04-16 | 크레이튼 폴리머즈 리서치 비.브이. | 비닐 방향족 탄화수소와 공액 디엔의 선택적으로수소첨가된 블록 공중합체를 제조하는 방법 |
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| US6653408B1 (en) | 2002-11-21 | 2003-11-25 | Kraton Polymers U.S. Llc | Compositions comprising a functionalized block copolymer crosslinked with aluminum acetylacetonate |
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| WO2012049743A1 (ja) | 2010-10-13 | 2012-04-19 | 旭化成ケミカルズ株式会社 | ポリフェニレンエーテル、並びに樹脂組成物及びその成形体 |
| US8946356B2 (en) | 2011-07-05 | 2015-02-03 | Asahi Kasei Chemicals Corporation | Resin composition and method of producing the same |
| WO2013005806A1 (ja) | 2011-07-05 | 2013-01-10 | 旭化成ケミカルズ株式会社 | 樹脂組成物及びその製造方法 |
| WO2015050060A1 (ja) | 2013-10-01 | 2015-04-09 | 旭化成ケミカルズ株式会社 | 樹脂組成物及びその成形体 |
| WO2017208945A1 (ja) | 2016-05-31 | 2017-12-07 | 旭化成株式会社 | 樹脂組成物、樹脂組成物の製造方法及び成形体 |
| WO2019004317A1 (ja) | 2017-06-28 | 2019-01-03 | 旭化成株式会社 | 樹脂組成物、樹脂組成物の製造方法及び成形体 |
| WO2019111910A1 (ja) | 2017-12-06 | 2019-06-13 | 旭化成株式会社 | 車載リチウムイオンバッテリー用部材 |
| WO2020235437A1 (ja) | 2019-05-17 | 2020-11-26 | 旭化成株式会社 | 配線部品 |
| WO2020235498A1 (ja) | 2019-05-17 | 2020-11-26 | 旭化成株式会社 | 樹脂組成物及び成形品 |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE1222260B (de) | 1966-08-04 |
| SE307674B (enExample) | 1969-01-13 |
| NL6415085A (enExample) | 1965-06-28 |
| FR1435845A (fr) | 1966-04-22 |
| NL143940B (nl) | 1974-11-15 |
| JPS428704B1 (enExample) | 1967-04-20 |
| BE657590A (enExample) | 1965-06-24 |
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