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Patent Searching and Data


Title:
METHOD FOR PRODUCING END-MODIFIED POLYBUTADIENE OR END-MODIFIED HYDROGENATED POLYBUTADIENE AND COMPOSITION CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2014/061251
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for producing end-modified polybutadiene or end-modified hydrogenated polybutadiene having no coloration or cloudiness without using an organic tin compound. This production method is characterized by reacting an acrylate or methacrylate represented by formula (I), a diisocyanate compound represented by formula (II), and polybutadiene or hydrogenated polybutadiene having hydroxyl groups at the polymer end represented by formula (III) in the presence of at least one selected from among organic aluminum compounds and organic zinc compounds (however, excluding zinc naphthenate).

Inventors:
HASHIMOTO HIROKI (JP)
Application Number:
JP2013/006097
Publication Date:
April 24, 2014
Filing Date:
October 11, 2013
Export Citation:
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Assignee:
NIPPON SODA CO (JP)
International Classes:
C08F8/30; C08F299/00
Domestic Patent References:
WO2012039124A12012-03-29
WO2012039124A12012-03-29
Foreign References:
JPH02199184A1990-08-07
JP2011116965A2011-06-16
JPS61123650A1986-06-11
JP2008222743A2008-09-25
JP2012072296A2012-04-12
JP2011523630A2011-08-18
JP2002371101A2002-12-26
Other References:
See also references of EP 2910578A4
Attorney, Agent or Firm:
HIROTA, Masanori (JP)
Masaki Hirota (JP)
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