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Patent Searching and Data


Title:
CELLULOSE ACETATE AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2001/072847
Kind Code:
A1
Abstract:
A cellulose acetate characterized by satisfying at least one requirement selected from the following requirements (A), (B), and (C), provided that the case where it satisfies the requirement (B) only is excluded. Requirement (A): the number of bright foreign particles having a size of 20 $g(m) or larger is up to 20 per mm?3¿. Requirement (B): the blocking constant (K) is 60 or smaller. Requirement (C): the ratio of the storage modulus (G') to the loss modulus (G') both determined at a frequency of 0.016 Hz, G'/G', is 0.2 or lower.

Inventors:
OZAKI TORU (JP)
SASAI HIROFUMI (JP)
TANIGUCHI HIROKI (JP)
NAKAI MICHIYO (JP)
SUZUKI SHINSUKE (JP)
Application Number:
PCT/JP2001/002478
Publication Date:
October 04, 2001
Filing Date:
March 27, 2001
Export Citation:
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Assignee:
DAICEL CHEM (JP)
OZAKI TORU (JP)
SASAI HIROFUMI (JP)
TANIGUCHI HIROKI (JP)
NAKAI MICHIYO (JP)
SUZUKI SHINSUKE (JP)
International Classes:
C08B3/06; (IPC1-7): C08B3/06
Foreign References:
JP2000212202A2000-08-02
Other References:
See also references of EP 1270597A4
Attorney, Agent or Firm:
Furuya, Kaoru (Nihonbashi-Hamacho Chuo-ku, Tokyo, JP)
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