GB2223024B - A methacrylic copolymer having low moisture absorption properties - Google Patents

A methacrylic copolymer having low moisture absorption properties

Info

Publication number
GB2223024B
GB2223024B GB8817580A GB8817580A GB2223024B GB 2223024 B GB2223024 B GB 2223024B GB 8817580 A GB8817580 A GB 8817580A GB 8817580 A GB8817580 A GB 8817580A GB 2223024 B GB2223024 B GB 2223024B
Authority
GB
United Kingdom
Prior art keywords
moisture absorption
low moisture
absorption properties
methacrylic copolymer
methacrylic
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
Application number
GB8817580A
Other languages
English (en)
Other versions
GB2223024A (en
Inventor
Toshinori Koseki
Kimio Imaizumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of GB2223024A publication Critical patent/GB2223024A/en
Application granted granted Critical
Publication of GB2223024B publication Critical patent/GB2223024B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
GB8817580A 1988-01-07 1988-07-22 A methacrylic copolymer having low moisture absorption properties Expired GB2223024B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1988/000009 WO1989006248A1 (en) 1988-01-07 1988-01-07 Lowly hygroscopic methacrylate polymer

Publications (2)

Publication Number Publication Date
GB2223024A GB2223024A (en) 1990-03-28
GB2223024B true GB2223024B (en) 1992-02-12

Family

ID=13930496

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8817580A Expired GB2223024B (en) 1988-01-07 1988-07-22 A methacrylic copolymer having low moisture absorption properties

Country Status (3)

Country Link
DE (2) DE3890136C2 (enrdf_load_stackoverflow)
GB (1) GB2223024B (enrdf_load_stackoverflow)
WO (1) WO1989006248A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443355A1 (de) * 1994-12-06 1996-06-13 Roehm Gmbh Flugzeugverglasung mit erhöhter Lichtstabilität, verbesserter chemischer Stabilität und verbesserter Wärmeformbeständigkeit
JP2002030116A (ja) * 2000-07-14 2002-01-31 Tokyo Ohka Kogyo Co Ltd 新規コポリマー、ホトレジスト組成物、および高アスペクト比のレジストパターン形成方法
KR20220038278A (ko) * 2019-04-04 2022-03-28 아르끄마 프랑스 소수성 고열 광학 아크릴 공중합체
CN114269799A (zh) * 2019-04-04 2022-04-01 盛禧奥欧洲有限责任公司 抗冲击疏水性高耐热光学丙烯酸类共聚物
US11891466B2 (en) 2022-03-04 2024-02-06 Trinseo Europe Gmbh Heat resistant PMMA copolymers having high temperature and high humidity environmental stability for electronic component applications

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585318A (ja) * 1981-07-02 1983-01-12 Mitsubishi Rayon Co Ltd 低吸湿性メタクリル系樹脂
JPS58127754A (ja) * 1982-01-25 1983-07-29 Asahi Chem Ind Co Ltd 低吸湿性アクリル系樹脂を基板とするデイスク盤
JPS58154751A (ja) * 1982-02-15 1983-09-14 Asahi Chem Ind Co Ltd 低吸湿性アクリル系樹脂を用いたデイスク盤
JPS591518A (ja) * 1982-06-29 1984-01-06 Mitsubishi Rayon Co Ltd 低吸湿性メタクリル系樹脂板の製造方法
JPS59227909A (ja) * 1983-06-09 1984-12-21 Sumitomo Chem Co Ltd 低吸湿性メタクリル系樹脂製の光学機器
DE3337890A1 (de) * 1983-10-19 1985-05-09 Röhm GmbH, 6100 Darmstadt Formmassen fuer optisch ablesbare datentraeger
JPS60115605A (ja) * 1983-11-28 1985-06-22 Mitsubishi Rayon Co Ltd 低吸湿性メタクリル樹脂
JPS60147416A (ja) * 1984-01-10 1985-08-03 Sumitomo Chem Co Ltd 低吸湿性メタクリル系樹脂の製造方法

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
JP 58-127754 A *
JP 58-154751 A *
JP 58-5318 A *
JP 59-1518 A *
JP 59-227909 A *
JP 60-104110 A *
JP 60-115605 A *
JP 60-147416 A *

Also Published As

Publication number Publication date
DE3890136C2 (enrdf_load_stackoverflow) 1993-06-24
DE3890136T1 (de) 1990-02-01
WO1989006248A1 (en) 1989-07-13
GB2223024A (en) 1990-03-28

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20080106