Title:
AROMATIC POLYCARBONATE PREPOLYMER AND MANUFACTURING METHOD OF AROMATIC POLYCARBONATE THEREWITH
Document Type and Number:
Japanese Patent JP3756812
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce the time of solid phase polymerization of an aromatic polycarbonate.
SOLUTION: This crystalline aromatic polycarbonate prepolymer has a main repeating unit represented by formula (1), crystallinity of 1-60%, and an intrinsic viscosity [η] of 0.1-0.30, and its crystal size D (angstrom) satisfies the formula: 80<D<330-800×[η].
Inventors:
Kazuki Kono
Takashi Ito
Shunichi Matsumura
Hirotaka Suzuki
Takashi Ito
Shunichi Matsumura
Hirotaka Suzuki
Application Number:
JP2001396311A
Publication Date:
March 15, 2006
Filing Date:
December 27, 2001
Export Citation:
Assignee:
Teijin Limited
International Classes:
C08G64/06; B29C41/18; B29K69/00; (IPC1-7): C08G64/06
Domestic Patent References:
| JP2003082108A | ||||
| JP2001247672A | ||||
| JP3223330A |
Attorney, Agent or Firm:
Hideko Mihara