Title:
POLYARYLATE IMPROVED MANUFACTURE
Document Type and Number:
Japanese Patent JPS58185615
Kind Code:
A
Abstract:
Described herein is an improved process for preparing a polyarylate having a reduced viscosity of from about 0.1 to greater than 1.0 dl/gm which process comprises the following steps: (a) reacting an acid anhydride derived from an acid containing from 2 to 8 carbon atoms with at least one dihydric phenol to form the corresponding diester; and (b) reacting said diester with at least one aromatic dicarboxylic acid at a temperature sufficient to form the polyarylate, wherein the improvement comprises carrying out said process in the presence of at least one thermoplastic polymer. Also described herein are the products produced by said process.
Inventors:
RUIRU MAIKERU MARESUKA
MAAKUSU MATSUNAA
MAAKUSU MATSUNAA
Application Number:
JP5056183A
Publication Date:
October 29, 1983
Filing Date:
March 28, 1983
Export Citation:
Assignee:
UNION CARBIDE CORP
International Classes:
C08G63/00; C08G63/18; C08G63/193; C08G63/46; C08G63/64; C08G63/66; C08L27/00; C08G63/688; C08G63/78; C08G69/00; C08G69/44; C08L1/00; C08L7/00; C08L21/00; C08L23/00; C08L25/00; C08L33/00; C08L33/02; C08L51/00; C08L51/02; C08L67/00; C08L67/02; C08L67/03; C08L77/00; C08L101/00; (IPC1-7): C08G63/18; C08G63/64; C08G63/66; C08G63/76; C08G69/44; C08L67/02
Domestic Patent References:
| JPS5040695A | 1975-04-14 | |||
| JPS50155544A | 1975-12-15 | |||
| JPS5062298A | 1975-05-28 | |||
| JPS4980145A | 1974-08-02 | |||
| JPS5096652A | 1975-07-31 |
Attorney, Agent or Firm:
Rokuro Takagi (1 person outside)