Title:
【発明の名称】難燃性のウレタン発泡体
Document Type and Number:
Japanese Patent JPH08501323
Kind Code:
A
Abstract:
The present invention relates to a process for making a flame retardant polyurethane foam which comprises reacting a reaction mixture consisting essentially of a propylene oxide-based polyol that is essentially free of ethylene oxide moieties, a polyisocyanate, melamine in an amount of between about 5 and about 55 parts by weight per hundred parts of the polyol, a halogenated phosphate supplemental flame retardant in an amount of between 8 and about 50 parts by weight per hundred parts of the polyol, and water in an amount of between about 3 and about 6 parts by weight per hundred parts of the polyol, said polyol being further characterized by a molecular weight of between about 2,500 and about 6,000, to provide a polyurethane foam characterized by enhanced flame retardancy.
Inventors:
Natri, Frank S.
Puig, John Yi.
Puig, John Yi.
Application Number:
JP50119592A
Publication Date:
February 13, 1996
Filing Date:
October 05, 1992
Export Citation:
Assignee:
Orin Corporation
International Classes:
C08J9/02; C08G18/00; C08G18/08; C08G18/48; C08G18/65; C08G18/66; C08J9/08; C08J9/12; C08J9/14; C08K5/00; C08K5/29; C08K5/3492; C08K5/51; C08K5/521; C08L75/00; C08L75/08; (IPC1-7): C08G18/48; C08G18/08; C08G18/66; C08J9/02; C08L75/08
Domestic Patent References:
| JPS473073A | ||||
| JP62144508B | ||||
| JPS5220704A | 1977-02-16 |
Attorney, Agent or Firm:
Akira Asamura (3 outside)