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Title:
ALLOPHANATE GROUP-CONTAINING POLYISOCYANATE COMPOSITION, POLYURETHANE RESIN-FORMING COMPOSITION, SEAL MATERIAL, MEMBRANE MODULE
Document Type and Number:
WIPO Patent Application WO/2020/022408
Kind Code:
A1
Abstract:
Provided is an allophanate group-containing polyisocyanate composition helpful for forming a polyurethane resin with less bubbles. This allophanate group-containing polyisocyanate composition (C) comprises a reaction product of a diphenylmethane diisocyanate (A) and a hydroxyl group-containing compound (B), wherein the hydroxyl group-containing compound (B) includes 1-300 ppm of a hydroxyl group-containing polymethylsiloxane compound (B-1).

Inventors:
IKEMOTO MITSUSHIGE (JP)
OOTA FUTOSHI (JP)
Application Number:
PCT/JP2019/029110
Publication Date:
January 30, 2020
Filing Date:
July 24, 2019
Export Citation:
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Assignee:
TOSOH CORP (JP)
International Classes:
C08G18/61; B01D63/00; B01D63/02; B01D69/08; C08G18/10; C08G18/28; C08G18/76; C08G18/78; C09K3/10
Domestic Patent References:
WO2012023358A12012-02-23
Foreign References:
JP2018095875A2018-06-21
JP2002145982A2002-05-22
JP2017122192A2017-07-13
JP2018076439A2018-05-17
JPH0525246A1993-02-02
JP2014193945A2014-10-09
JPH08292694A1996-11-05
JP2018119084A2018-08-02
JP2009030059A2009-02-12
JP2018139332A2018-09-06
Other References:
See also references of EP 3828216A4
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