FLAME-RETARDANT RIGID POLYURETHANE FOAM

Title:

FLAME-RETARDANT RIGID POLYURETHANE FOAM

Document Type and Number:

WIPO Patent Application WO/2017/057670

Kind Code:

A1

Abstract:

Provided is a flame-retardant rigid polyurethane foam including a flame retardant, in which the ratio (P1/P2×100) of the maximum peak intensity ratio (P1) after treating the foam by moist heat for one week at a temperature of 80°C and humidity of 85% with respect to to the maximum peak intensity ratio (P2) of the foam before this moist heat treatment is 85% or higher. The abovementioned P1 and P2 refer to the ratio of the maximum peak intensity of 1,390-1,430 cm-1 with respect to the maximum peak intensity of 1,500-1,520 cm-1 when the infrared absorption spectrum is measured at a position 5-10 mm from the surface of the foam and the average intensity of 1,900-2,000 cm-1 is adjusted to zero.

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Inventors:

OKADA KAZUHIRO (JP)
KAJITA TOMONORI (JP)
TOEI YOZO (JP)

Application Number:

PCT/JP2016/079004

Publication Date:

April 06, 2017

Filing Date:

September 30, 2016

Export Citation:

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Assignee:

SEKISUI CHEMICAL CO LTD (JP)

International Classes:

C08G18/00; C08G18/16; C08G18/18; C08G101/00

Domestic Patent References:

WO2009145236A1

2009-12-03

Foreign References:

JP2001310925A	2001-11-06
JP2010053267A	2010-03-11
JP2013103957A	2013-05-30
JP2012177109A	2012-09-13

Other References: