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 (en) | 2017-08-29 | 2017-08-29 | Method for producing optical moulding compositions |
| PCT/EP2018/072419 WO2019042807A1 (en) | 2017-08-29 | 2018-08-20 | Process for producing optical molding materials |
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 (en) |
| EP (2) | EP3450422A1 (en) |
| JP (1) | JP7197568B2 (en) |
| KR (1) | KR102586319B1 (en) |
| CN (1) | CN111051273B (en) |
| BR (1) | BR112020003870B1 (en) |
| ES (1) | ES2933812T3 (en) |
| RU (1) | RU2020112514A (en) |
| SA (1) | SA520411422B1 (en) |
| SG (1) | SG11202001645PA (en) |
| TW (1) | TW201925157A (en) |
| WO (1) | WO2019042807A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3450422A1 (en) * | 2017-08-29 | 2019-03-06 | Evonik Röhm GmbH | Method for producing optical moulding compositions |
| EP3798206A1 (en) | 2019-09-25 | 2021-03-31 | Röhm GmbH | Method for producing alkyl methacrylates with improved water and acid guidance |
| EP3798202A1 (en) | 2019-09-25 | 2021-03-31 | Röhm GmbH | Method for purifying methyl methacrylate from low boiling point components |
| EP3945088A1 (en) | 2020-07-30 | 2022-02-02 | Röhm GmbH | Process for minimising the loss of activity in reaction steps carried out in circulation |
| BR112023023281A2 (en) | 2021-05-10 | 2024-01-23 | Roehm Gmbh | UNSATURATED ESTERS CONTAINING AN ADDITIVE TO REDUCE AND STABILIZE THE YELLOWING INDEX |
| MX2023013613A (en) * | 2021-05-20 | 2023-11-30 | Mitsubishi Chem Corp | Monomer composition, methacrylic resin composition and resin molded body. |
| WO2022248321A1 (en) | 2021-05-28 | 2022-12-01 | Röhm Gmbh | Reactor and process for producing alkyl methacrylates |
| EP4347548A1 (en) | 2021-05-28 | 2024-04-10 | Röhm GmbH | Reactor and process for producing alkyl (meth)acrylates |
| US12017987B2 (en) | 2021-11-12 | 2024-06-25 | Röhm Gmbh | Process for eliminating interfering by-products in the direct oxidative esterification of methacrolein |
| WO2024106530A1 (en) * | 2022-11-18 | 2024-05-23 | 三菱ケミカル株式会社 | Monomer composition, resin composition, resin composition manufacturing method, resin molded body, and resin molded body manufacturing method |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5342260B2 (en) * | 1973-11-22 | 1978-11-10 | ||
| JPS532763B2 (en) | 1974-11-15 | 1978-01-31 | ||
| DE3106557A1 (en) | 1981-02-21 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING (ALPHA) ALKYLACROLEINS |
| DE3213681A1 (en) | 1982-04-14 | 1983-10-27 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING (ALPHA) ALKYLACROLEINS |
| JPS58183641A (en) * | 1982-04-19 | 1983-10-26 | Asahi Chem Ind Co Ltd | Purification of methyl (meth)acrylate |
| DE19701441C2 (en) * | 1997-01-17 | 1998-11-05 | Roehm Gmbh | Process for the production of color-neutral polymethyl methacrylate molding compounds |
| SG71815A1 (en) | 1997-07-08 | 2000-04-18 | Asahi Chemical Ind | Method of producing methyl methacrylate |
| JPH1135523A (en) * | 1997-07-25 | 1999-02-09 | Asahi Chem Ind Co Ltd | Purification of methyl methacrylate |
| JP3532763B2 (en) * | 1998-04-22 | 2004-05-31 | 旭化成ケミカルズ株式会社 | Purification method of methyl methacrylate |
| AU2002354236A1 (en) * | 2001-12-21 | 2003-07-09 | Asahi Kasei Chemicals Corporation | Oxide catalyst composition |
| JP2007045803A (en) * | 2005-08-12 | 2007-02-22 | Asahi Kasei Chemicals Corp | Method for obtaining purified methyl methacrylate |
| JP2007045795A (en) * | 2005-08-12 | 2007-02-22 | Asahi Kasei Chemicals Corp | Method for purifying methyl methacrylate |
| JP2007063214A (en) * | 2005-09-01 | 2007-03-15 | Asahi Kasei Chemicals Corp | Method of improving quality of methyl methacrylate |
| EP1994978A1 (en) * | 2007-05-25 | 2008-11-26 | Evonik Röhm GmbH | Process for preparation of methyl methacrylate by esterification during oxidation |
| FR2940801B1 (en) * | 2009-01-06 | 2012-08-17 | Arkema France | PROCESS FOR THE PRODUCTION OF A METHYL METHACRYLATE DERIVED FROM BIOMASS |
| DE102009046197A1 (en) * | 2009-10-30 | 2011-05-05 | Evonik Röhm Gmbh | Homopolymers and copolymers of hydroxyisobutyric acid (ester) (meth) acrylates |
| KR102213622B1 (en) | 2013-04-19 | 2021-02-08 | 룀 게엠베하 | Method for producing methylmethacrylate |
| EP2886528A1 (en) | 2013-12-20 | 2015-06-24 | Evonik Industries AG | Method for producing unsaturated esters from aldehydes by direct oxidative esterification |
| EP2886529A1 (en) | 2013-12-20 | 2015-06-24 | Evonik Industries AG | Process for producing methyl methacrylate |
| CN103846104A (en) | 2014-02-17 | 2014-06-11 | 河南颖泰农化股份有限公司 | Catalyst for synthesizing methacrolein from propionaldehyde and formaldehyde and application thereof |
| TWI715627B (en) | 2015-09-16 | 2021-01-11 | 德商羅伊姆公司 | Extractive workup of a sodium-salt-containing mma-methanol mixture |
| EP3464233B1 (en) * | 2016-05-25 | 2020-04-29 | Dow Global Technologies Llc | Process for recovering byproducts from mma |
| EP3450422A1 (en) * | 2017-08-29 | 2019-03-06 | Evonik Röhm GmbH | Method for producing optical moulding compositions |
| CN111233667A (en) * | 2018-11-29 | 2020-06-05 | 中国科学院大连化学物理研究所 | Improved method for preparing methyl methacrylate |
| JP6858314B1 (en) * | 2019-06-28 | 2021-04-14 | 旭化成株式会社 | Method for producing methyl methacrylate |
-
2017
- 2017-08-29 EP EP17188252.5A patent/EP3450422A1/en not_active Withdrawn
-
2018
- 2018-08-20 CN CN201880056156.8A patent/CN111051273B/en active Active
- 2018-08-20 BR BR112020003870-9A patent/BR112020003870B1/en active IP Right Grant
- 2018-08-20 WO PCT/EP2018/072419 patent/WO2019042807A1/en unknown
- 2018-08-20 KR KR1020207008563A patent/KR102586319B1/en active IP Right Grant
- 2018-08-20 RU RU2020112514A patent/RU2020112514A/en unknown
- 2018-08-20 ES ES18755480T patent/ES2933812T3/en active Active
- 2018-08-20 US US16/637,575 patent/US11427664B2/en active Active
- 2018-08-20 JP JP2020512554A patent/JP7197568B2/en active Active
- 2018-08-20 SG SG11202001645PA patent/SG11202001645PA/en unknown
- 2018-08-20 EP EP18755480.3A patent/EP3676241B1/en active Active
- 2018-08-24 TW TW107129587A patent/TW201925157A/en unknown
-
2020
- 2020-02-27 SA SA520411422A patent/SA520411422B1/en unknown
-
2022
- 2022-07-22 US US17/814,490 patent/US11780944B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2933812T3 (en) | 2023-02-14 |
| RU2020112514A (en) | 2021-09-30 |
| JP7197568B2 (en) | 2022-12-27 |
| EP3450422A1 (en) | 2019-03-06 |
| CN111051273B (en) | 2023-04-18 |
| US20210032386A1 (en) | 2021-02-04 |
| KR102586319B1 (en) | 2023-10-06 |
| WO2019042807A1 (en) | 2019-03-07 |
| EP3676241B1 (en) | 2022-10-26 |
| JP2020531673A (en) | 2020-11-05 |
| CN111051273A (en) | 2020-04-21 |
| US20220356282A1 (en) | 2022-11-10 |
| KR20200045524A (en) | 2020-05-04 |
| SA520411422B1 (en) | 2022-11-29 |
| TW201925157A (en) | 2019-07-01 |
| BR112020003870B1 (en) | 2023-03-21 |
| BR112020003870A2 (en) | 2020-09-08 |
| EP3676241A1 (en) | 2020-07-08 |
| US11780944B2 (en) | 2023-10-10 |
| US11427664B2 (en) | 2022-08-30 |
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