SG11202001645PA - Process for producing optical molding materials - Google Patents

Process for producing optical molding materials

Info

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
Application number
SG11202001645PA
Other languages
English (en)
Inventor
Steffen Krill
Aissa Belaid Ait
Florian Zschunke
Gerhard Kölbl
Rüdiger Carloff
Original Assignee
Roehm Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Roehm Gmbh filed Critical Roehm Gmbh
Publication of SG11202001645PA publication Critical patent/SG11202001645PA/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • C07C45/68Preparation 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
    • C07C45/72Preparation 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
    • C07C45/75Reactions with formaldehyde
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00Compounds having —CHO groups
    • C07C47/20Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
    • C07C47/21Unsaturated compounds having —CHO groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C47/22Acryaldehyde; Methacryaldehyde
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/39Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/48Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/52Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/533Monocarboxylic acid esters having only one carbon-to-carbon double bond
    • C07C69/54Acrylic acid esters; Methacrylic acid esters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/001Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/02Polymerisation in bulk
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/04Polymerisation in solution
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/04Polymerisation in solution
    • C08F2/06Organic solvent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/18Suspension polymerisation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers 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
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/12Esters of monohydric alcohols or phenols
    • C08F220/14Methyl esters, e.g. methyl (meth)acrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00Compositions 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
    • C08L33/04Homopolymers or copolymers of esters
    • C08L33/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12Homopolymers 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)
SG11202001645PA 2017-08-29 2018-08-20 Process for producing optical molding materials SG11202001645PA (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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