SG11202001645PA - Process for producing optical molding materials - Google Patents
Process for producing optical molding materialsInfo
- Publication number
- SG11202001645PA SG11202001645PA SG11202001645PA SG11202001645PA SG11202001645PA SG 11202001645P A SG11202001645P A SG 11202001645PA SG 11202001645P A SG11202001645P A SG 11202001645PA SG 11202001645P A SG11202001645P A SG 11202001645PA SG 11202001645P A SG11202001645P A SG 11202001645PA
- Authority
- SG
- Singapore
- Prior art keywords
- molding materials
- producing optical
- optical molding
- producing
- materials
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/21—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
- C07C47/22—Acryaldehyde; Methacryaldehyde
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/02—Polymerisation in bulk
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/06—Organic solvent
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/18—Suspension polymerisation
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17188252.5A EP3450422A1 (de) | 2017-08-29 | 2017-08-29 | Verfahren zur herstellung optischer formmassen |
PCT/EP2018/072419 WO2019042807A1 (de) | 2017-08-29 | 2018-08-20 | Verfahren zur herstellung optischer formmassen |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202001645PA true SG11202001645PA (en) | 2020-03-30 |
Family
ID=59738244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202001645PA SG11202001645PA (en) | 2017-08-29 | 2018-08-20 | Process for producing optical molding materials |
Country Status (12)
Country | Link |
---|---|
US (2) | US11427664B2 (ja) |
EP (2) | EP3450422A1 (ja) |
JP (1) | JP7197568B2 (ja) |
KR (1) | KR102586319B1 (ja) |
CN (1) | CN111051273B (ja) |
BR (1) | BR112020003870B1 (ja) |
ES (1) | ES2933812T3 (ja) |
RU (1) | RU2020112514A (ja) |
SA (1) | SA520411422B1 (ja) |
SG (1) | SG11202001645PA (ja) |
TW (1) | TW201925157A (ja) |
WO (1) | WO2019042807A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3450422A1 (de) * | 2017-08-29 | 2019-03-06 | Evonik Röhm GmbH | Verfahren zur herstellung optischer formmassen |
EP3798206A1 (de) | 2019-09-25 | 2021-03-31 | Röhm GmbH | Verfahren zur herstellung von alkylmethacrylaten mit verbesserter wasser- und säureführung |
EP3798202A1 (de) | 2019-09-25 | 2021-03-31 | Röhm GmbH | Verfahren zur aufreinigung von methylmethacrylat von leichtsiedenden komponenten |
EP3945088A1 (de) | 2020-07-30 | 2022-02-02 | Röhm GmbH | Vorgehen zur minimierung des aktivitätsverlusts bei im kreislaufbetrieb ausgeführten reaktionsschritten |
CN117279885A (zh) | 2021-05-10 | 2023-12-22 | 罗姆化学有限责任公司 | 含有用于降低和稳定黄度指数的添加剂的不饱和酯 |
MX2023013613A (es) * | 2021-05-20 | 2023-11-30 | Mitsubishi Chem Corp | Composicion monomerica, composicion de resina metacrilica y cuerpo moldeado de resina. |
KR20240013204A (ko) | 2021-05-28 | 2024-01-30 | 룀 게엠베하 | 알킬 (메트)아크릴레이트를 제조하기 위한 반응기 및 방법 |
WO2022248321A1 (en) | 2021-05-28 | 2022-12-01 | Röhm Gmbh | Reactor and process for producing alkyl methacrylates |
WO2023083869A1 (de) | 2021-11-12 | 2023-05-19 | Röhm Gmbh | Verfahren zur eliminierung störender nebenprodukte in der direkten oxidativen veresterung von methacrolein |
WO2024106522A1 (ja) * | 2022-11-18 | 2024-05-23 | 三菱ケミカル株式会社 | 単量体組成物、樹脂組成物、樹脂組成物の製造方法、樹脂成形体及び樹脂成形体の製造方法 |
EP4428116A1 (de) * | 2023-03-07 | 2024-09-11 | Röhm GmbH | Neues verfahren zur herstellung von methylmethacrylat über acetalische zwischenstufen |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5342260B2 (ja) * | 1973-11-22 | 1978-11-10 | ||
JPS532763B2 (ja) | 1974-11-15 | 1978-01-31 | ||
DE3106557A1 (de) | 1981-02-21 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
DE3213681A1 (de) | 1982-04-14 | 1983-10-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (alpha)-alkylacroleinen |
JPS58183641A (ja) * | 1982-04-19 | 1983-10-26 | Asahi Chem Ind Co Ltd | (メタ)アクリル酸メチルの精製法 |
DE19701441C2 (de) * | 1997-01-17 | 1998-11-05 | Roehm Gmbh | Verfahren zur Herstellung farbneutraler Polymethylmethacrylat-Formmassen |
SG71815A1 (en) | 1997-07-08 | 2000-04-18 | Asahi Chemical Ind | Method of producing methyl methacrylate |
JPH1135523A (ja) * | 1997-07-25 | 1999-02-09 | Asahi Chem Ind Co Ltd | メタクリル酸メチルの精製方法 |
JP3532763B2 (ja) * | 1998-04-22 | 2004-05-31 | 旭化成ケミカルズ株式会社 | メタクリル酸メチルの精製法 |
US7012039B2 (en) | 2001-12-21 | 2006-03-14 | Asahi Kasei Chemicals Corporation | Oxide catalyst composition |
JP2007045795A (ja) * | 2005-08-12 | 2007-02-22 | Asahi Kasei Chemicals Corp | メタクリル酸メチルの精製方法 |
JP2007045803A (ja) * | 2005-08-12 | 2007-02-22 | Asahi Kasei Chemicals Corp | 精製されたメタクリル酸メチルを得る方法 |
JP2007063214A (ja) * | 2005-09-01 | 2007-03-15 | Asahi Kasei Chemicals Corp | メタクリル酸メチルの品質改良法 |
EP1994978A1 (en) * | 2007-05-25 | 2008-11-26 | Evonik Röhm GmbH | Process for preparation of methyl methacrylate by esterification during oxidation |
FR2940801B1 (fr) * | 2009-01-06 | 2012-08-17 | Arkema France | Procede de fabrication d'un methacrylate de methyle derive de la biomasse |
DE102009046197A1 (de) * | 2009-10-30 | 2011-05-05 | Evonik Röhm Gmbh | Homopolymere und Copolymere der Hydroxyisobuttersäure(ester)(meth)acrylate |
MY176555A (en) * | 2013-04-19 | 2020-08-16 | Roehm Gmbh | Method for producing methylmethacrylate |
EP2886529A1 (en) | 2013-12-20 | 2015-06-24 | Evonik Industries AG | Process for producing methyl methacrylate |
EP2886528A1 (de) | 2013-12-20 | 2015-06-24 | Evonik Industries AG | Verfahren zur Herstellung von ungesättigten Estern ausgehend von Aldehyden durch Direkte Oxidative Veresterung |
CN103846104A (zh) | 2014-02-17 | 2014-06-11 | 河南颖泰农化股份有限公司 | 以丙醛、甲醛为原料合成异丁烯醛用催化剂及其应用 |
TWI715627B (zh) | 2015-09-16 | 2021-01-11 | 德商羅伊姆公司 | 含鈉鹽之mma-甲醇混合物的萃取後處理 |
CN109153633B (zh) * | 2016-05-25 | 2022-04-12 | 陶氏环球技术有限责任公司 | 从mma回收副产物的方法 |
EP3450422A1 (de) * | 2017-08-29 | 2019-03-06 | Evonik Röhm GmbH | Verfahren zur herstellung optischer formmassen |
CN111233667A (zh) * | 2018-11-29 | 2020-06-05 | 中国科学院大连化学物理研究所 | 一种改进制备甲基丙烯酸甲酯的方法 |
KR20220027726A (ko) * | 2019-06-28 | 2022-03-08 | 아사히 가세이 가부시키가이샤 | 메타크릴산메틸의 제조 방법 |
-
2017
- 2017-08-29 EP EP17188252.5A patent/EP3450422A1/de not_active Withdrawn
-
2018
- 2018-08-20 CN CN201880056156.8A patent/CN111051273B/zh active Active
- 2018-08-20 EP EP18755480.3A patent/EP3676241B1/de active Active
- 2018-08-20 SG SG11202001645PA patent/SG11202001645PA/en unknown
- 2018-08-20 JP JP2020512554A patent/JP7197568B2/ja active Active
- 2018-08-20 ES ES18755480T patent/ES2933812T3/es active Active
- 2018-08-20 WO PCT/EP2018/072419 patent/WO2019042807A1/de unknown
- 2018-08-20 US US16/637,575 patent/US11427664B2/en active Active
- 2018-08-20 BR BR112020003870-9A patent/BR112020003870B1/pt active IP Right Grant
- 2018-08-20 RU RU2020112514A patent/RU2020112514A/ru unknown
- 2018-08-20 KR KR1020207008563A patent/KR102586319B1/ko active IP Right Grant
- 2018-08-24 TW TW107129587A patent/TW201925157A/zh unknown
-
2020
- 2020-02-27 SA SA520411422A patent/SA520411422B1/ar unknown
-
2022
- 2022-07-22 US US17/814,490 patent/US11780944B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
SA520411422B1 (ar) | 2022-11-29 |
RU2020112514A (ru) | 2021-09-30 |
WO2019042807A1 (de) | 2019-03-07 |
EP3676241A1 (de) | 2020-07-08 |
ES2933812T3 (es) | 2023-02-14 |
BR112020003870A2 (pt) | 2020-09-08 |
CN111051273A (zh) | 2020-04-21 |
US20220356282A1 (en) | 2022-11-10 |
CN111051273B (zh) | 2023-04-18 |
US11780944B2 (en) | 2023-10-10 |
KR102586319B1 (ko) | 2023-10-06 |
US20210032386A1 (en) | 2021-02-04 |
TW201925157A (zh) | 2019-07-01 |
BR112020003870B1 (pt) | 2023-03-21 |
JP7197568B2 (ja) | 2022-12-27 |
JP2020531673A (ja) | 2020-11-05 |
US11427664B2 (en) | 2022-08-30 |
EP3450422A1 (de) | 2019-03-06 |
KR20200045524A (ko) | 2020-05-04 |
EP3676241B1 (de) | 2022-10-26 |
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