JPH0414705B2 - - Google Patents

Info

Publication number
JPH0414705B2
JPH0414705B2 JP59021869A JP2186984A JPH0414705B2 JP H0414705 B2 JPH0414705 B2 JP H0414705B2 JP 59021869 A JP59021869 A JP 59021869A JP 2186984 A JP2186984 A JP 2186984A JP H0414705 B2 JPH0414705 B2 JP H0414705B2
Authority
JP
Japan
Prior art keywords
formula
copolymer
represented
hydroxyphenyl
general formula
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 - Lifetime
Application number
JP59021869A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60166321A (ja
Inventor
Kazuyoshi Shigematsu
Takashi Nakagawa
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
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 Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to JP59021869A priority Critical patent/JPS60166321A/ja
Publication of JPS60166321A publication Critical patent/JPS60166321A/ja
Publication of JPH0414705B2 publication Critical patent/JPH0414705B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP59021869A 1984-02-10 1984-02-10 光学機器用素材 Granted JPS60166321A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59021869A JPS60166321A (ja) 1984-02-10 1984-02-10 光学機器用素材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59021869A JPS60166321A (ja) 1984-02-10 1984-02-10 光学機器用素材

Publications (2)

Publication Number Publication Date
JPS60166321A JPS60166321A (ja) 1985-08-29
JPH0414705B2 true JPH0414705B2 (enExample) 1992-03-13

Family

ID=12067129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59021869A Granted JPS60166321A (ja) 1984-02-10 1984-02-10 光学機器用素材

Country Status (1)

Country Link
JP (1) JPS60166321A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS623443A (ja) * 1985-06-28 1987-01-09 Nippon Telegr & Teleph Corp <Ntt> フレキシブル光デイスク及びその製造方法
JPH0727662B2 (ja) * 1987-08-27 1995-03-29 出光石油化学株式会社 光ディスク基板

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS543915B2 (enExample) * 1971-08-12 1979-02-28
JPS58126119A (ja) * 1982-01-22 1983-07-27 Mitsubishi Chem Ind Ltd 光学的特性のすぐれた成形物の製造法

Also Published As

Publication number Publication date
JPS60166321A (ja) 1985-08-29

Similar Documents

Publication Publication Date Title
US4415725A (en) Aromatic branched polycarbonate from tetraphenol
JPH0319248B2 (enExample)
JPH0414705B2 (enExample)
JPH0570651B2 (enExample)
JPH07292095A (ja) 芳香族ポリカーボネート樹脂の改質法
US4895919A (en) Spirobiindane copolysiloxanecarbonates and method for their preparation
JPH0428005B2 (enExample)
JPS6362528B2 (enExample)
JPH0319249B2 (enExample)
JP2558285B2 (ja) 光学材料
JPS61255929A (ja) 光ディスク用素材
JPH0645680B2 (ja) 光学機器用素材
JPS61213218A (ja) 光学機器用素材
JP2603647B2 (ja) ポリカーボネート系樹脂組成物
JPH0912701A (ja) ポリカーボネート共重合体およびその製造方法
JPH073481B2 (ja) 光学機器用素材
JP2556864B2 (ja) 光学材料
US4923962A (en) Optical disk substrate comprising aromatic polycarbonate
JP2625906B2 (ja) 光学材料用樹脂
JP2516882B2 (ja) 重合体とその製造法
JPS6236457A (ja) 光学機器用素材
JP2003040995A (ja) 新規ポリカーボネート樹脂とその製造方法
JP2516883B2 (ja) 重合体とその製造方法
US4912189A (en) Spirobiindanol polysiloxanes
TW561166B (en) Copolycarbonates based on indanebisphenols