Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR ANALYZING COPOLYCARBONATE
Document Type and Number:
WIPO Patent Application WO/2020/256494
Kind Code:
A1
Abstract:
The present invention relates to a method for analyzing a copolycarbonate. More specifically, the present invention relates to a method for analyzing a copolycarbonate, wherein in a copolycarbonate having a polysiloxane structure introduced into a polycarbonate main chain, the weight average molecular weight, number average molecular weight, and molecular weight distribution of a polysiloxane-containing aromatic diol compound used as a start material can be analyzed more accurately.

Inventors:
KIM HYO YONG (KR)
RYU JIN SOOK (KR)
OH SUNOK (KR)
OH SUNG JOON (KR)
Application Number:
PCT/KR2020/008009
Publication Date:
December 24, 2020
Filing Date:
June 19, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G01N30/88; B01D15/34; C08J11/24; G01N24/08; G01N30/06
Domestic Patent References:
WO2016089135A22016-06-09
Foreign References:
US20160222191A12016-08-04
Other References:
HU, L.-C. OKU, A. YAMADA, E.: "Alkali-catalyzed methanolysis of polycarbonate. A study on recycling of bisphenol A and dimethyl carbonate", POLYMER, ELSEVIER SCIENCE PUBLISHERS B.V., GB, vol. 39, no. 16, 1 July 1998 (1998-07-01), GB, pages 3841 - 3845, XP004121005, ISSN: 0032-3861, DOI: 10.1016/S0032-3861(97)10298-1
SHENGYU FENG, JIE ZHANG, DAKE WANG, MINGYAN WU, ZHAOTAN YU: "Synthesis and characterization of 3-(2,3-dihydroxypropoxy)propyl-terminated polydimethylsiloxanes", JOURNAL OF APPLIED POLYMER SCIENCE, JOHN WILEY & SONS, INC., US, vol. 94, no. 1, 15 September 2004 (2004-09-15), US, pages 110 - 115, XP055767222, ISSN: 0021-8995, DOI: 10.1002/app.20749
MATSUKAWA, K. ; INOUE, H.: "Synthesis of Alpha,co-bis(p-hydroxyphenyl ) polysiloxanes", POLYMER, ELSEVIER SCIENCE PUBLISHERS B.V., GB, vol. 33, no. 3, 1 January 1992 (1992-01-01), GB, pages 667 - 670, XP024117647, ISSN: 0032-3861, DOI: 10.1016/0032-3861(92)90752-I
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
Download PDF: