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Patent Searching and Data


Title:
ISOCYANATE COMPOSITION, PRODUCTION METHOD FOR ISOCYANATE COMPOSITION, AND PRODUCTION METHOD FOR ISOCYANATE POLYMER
Document Type and Number:
WIPO Patent Application WO/2018/070540
Kind Code:
A1
Abstract:
This isocyanate composition contains: an isocyanate compound that is represented by formula (1) and/or formula (2) (in which R1 represents hydrogen or a monovalent organic group and R2 represents a monovalent organic group); and, relative to the total mass of the isocyanate compound in the composition, 1.0 mass ppm to 10 mass% of a compound that is different from the isocyanate compound and is represented by formula (3) (R13-(COO-R14)a, in which R13 represents an a-valent organic group, R14 represents a monovalent organic group, and a represents an integer that is 1 or 2) and/or 1.0 mass ppm to 10 mass% of a compound that, in a measured spectrum obtained by gel permeation chromatography, has a UV absorption in a region that is at or above a decamer of the isocyanate.

Inventors:
MIYAKE NOBUHISA (JP)
SHINOHATA MASAAKI (JP)
OHKUBO ATSUSHI (JP)
NAKAOKA KOICHI (JP)
KOSUGI YUJI (JP)
Application Number:
PCT/JP2017/037276
Publication Date:
April 19, 2018
Filing Date:
October 13, 2017
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08G18/02
Domestic Patent References:
WO2002042351A12002-05-30
Foreign References:
JP2002363151A2002-12-18
JP2002003568A2002-01-09
JPS53135931A1978-11-28
JP2002507594A2002-03-12
US3247236A1966-04-19
JP2008143872A2008-06-26
Other References:
See also references of EP 3527593A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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