Title:
POLYURETHANE FOAM HAVING EXCELLENT REFRACTORY CHARACTERISTICS, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/006423
Kind Code:
A1
Abstract:
The present invention relates to a polyurethane foam prepared by controlling, when manufacturing the polyurethane foam, an NCO index in a range of 450-550 and, simultaneously, mixing two types of flame retardants, and can implement excellent flame resistant characteristics without causing the deterioration of mechanical properties of a polyurethane foam.
Inventors:
KWON YOUNG SOO (KR)
KIM MIN GYU (KR)
KANG JONG GIL (KR)
LEE SEUNG WOO (KR)
KIM MIN GYU (KR)
KANG JONG GIL (KR)
LEE SEUNG WOO (KR)
Application Number:
PCT/KR2019/012846
Publication Date:
January 14, 2021
Filing Date:
October 01, 2019
Export Citation:
Assignee:
HANKUK CARBON CO LTD (KR)
International Classes:
C08J9/00; C08G8/18; C08G18/76; C08K5/521; C08G101/00
Foreign References:
| JP2008088355A | 2008-04-17 | |||
| JP2007277295A | 2007-10-25 | |||
| KR20160023049A | 2016-03-03 | |||
| JP2010095565A | 2010-04-30 | |||
| KR101850997B1 | 2018-04-23 | |||
| KR20160098299A | 2016-08-18 |
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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