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Title:
POLYISOCYANATE COMPOSITION, BLOCK POLYISOCYANATE COMPOSITION, COATING COMPOSITION, AQUEOUS COATING COMPOSITION, AND COATING BASE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/056408
Kind Code:
A1
Abstract:
Provided is a polyisocyanate composition that exhibits excellent water dispersibility and excellent external appearance and hardness of the resulting coating film. This polyisocyanate composition contains a polyisocyanate and a poly(oxyalkylene)alkyl ether phosphoric acid, and has a poly(oxyalkylene)alkyl ether phosphoric acid content of 0.1-9.6 by peak area ratio with respect to bis(2-ethylhexyl)phosphate in measurement, by LC-MS, of a measurement sample obtained by mixing equal amounts of a 0.03 g/mL methanol solution of the polyisocyanate composition and a 1000 mass ppm methanol solution of bis(2-ethylhexyl)phosphate.

Inventors:
SHINOMIYA KIE (JP)
FUKUCHI TAKASHI (JP)
HONG CHANGFENG (JP)
Application Number:
PCT/JP2017/034359
Publication Date:
March 29, 2018
Filing Date:
September 22, 2017
Export Citation:
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Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08G18/80; C08G18/00; C08G18/08; C08G18/38; C08G65/335; C08K5/521; C08L71/02; C08L75/04; C09D5/02; C09D175/04
Domestic Patent References:
WO2008023690A12008-02-28
Foreign References:
JP2016102196A2016-06-02
JPH05202162A1993-08-10
Other References:
See also references of EP 3517559A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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