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Title:
POLYISOCYANATE COMPOSITION AND ISOCYANATE POLYMER COMPOSITION
Document Type and Number:
Japanese Patent JP2017031174
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for preventing coloring of polyisocyanate in distillation purification.SOLUTION: There is provided the polyisocyanate composition obtained by adding before distillation purification, to polyisocyanate of 97 wt.% or more on the basis of the total mass of the polyisocyanate composition, 2.0 to 1.0×10mass.ppm of a compound which is different from the polyisocyanate and has at least one unsaturated bond or 5.0 to 2.0×10mass.ppm of at least one kind of inactive compound selected from a hydrocarbon compound, an ether compound, a sulfide compound, a halogenated hydrocarbon compound, a silicon-containing hydrocarbon compound, a silicon-containing ether compound and a silicon sulfide compound.SELECTED DRAWING: None

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Inventors:
SHINOHATA MASAAKI
MIYAKE NOBUTOSHI
Application Number:
JP2016179935A
Publication Date:
February 09, 2017
Filing Date:
September 14, 2016
Export Citation:
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Assignee:
ASAHI KASEI CORP
International Classes:
C07C263/18; C07C265/04; C08G18/02
Domestic Patent References:
JPS6357577A1988-03-12
JPS5747319A1982-03-18
JP2000119240A2000-04-25
Foreign References:
WO2008084824A12008-07-17
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Hiroyuki Nishimoto



 
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