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Title:
POLYMERIZABLE COMPOSITION AND KIT THEREOF, AND POLYMERIZATION INITIATOR
Document Type and Number:
WIPO Patent Application WO/2017/138567
Kind Code:
A1
Abstract:
[Problem] To improve long-term storage stability of a polymerizable composition containing an organoborane and a polymerizable monomer. [Solution] Provided is a polymerizable composition which contains an organoborane (A), a polymerizable monomer (B) having no acid group, and a stabilization agent (C) for the organoborane (A), and which is characterized in that when the composition has been left standing still at 45°C for 48 hours, the ratio between the pre-still-standing viscosity and the post-still-standing viscosity (pre-still-standing viscosity/post-still-standing viscosity), as respectively measured using an E-type viscosimeter at temperature of 25°C and at a revolution speed of 50 rpm, is less than 100.

Inventors:
OTSUKI TAMAKI (JP)
ORI TATSUYA (JP)
YAMAMOTO YUYA (JP)
YAMAMOTO TAKASHI (JP)
ARATA MASAMI (JP)
Application Number:
PCT/JP2017/004587
Publication Date:
August 17, 2017
Filing Date:
February 08, 2017
Export Citation:
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Assignee:
SUN MEDICAL CO LTD (JP)
International Classes:
C08F4/52; A61K6/00; C08F2/44; C09J4/00; C09J11/02; C09J133/10; C09J201/00
Domestic Patent References:
WO2014209680A22014-12-31
Foreign References:
JP2015086162A2015-05-07
JP2010280891A2010-12-16
JP4035634B22008-01-23
JP2003096122A2003-04-03
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Other References:
MARK F. SONNENSCHEIN; STEVEN P. WEBB; O. DAVID REDWINE; BENJAMIN L. WENDT; NELSON G. RONDAN: "Physical and Chemical Probes of the Bond Strength between Trialkylboranes and Amines and Their Utility as Stabilized Free Radical Polymerization Catalysts", MACROMOLECULES, vol. 39, no. 7, 2006, pages 2507 - 2513, XP009514389, ISSN: 0024-9297, DOI: 10.1021/ma060268w
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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