In-situ foaming system for forming flame-retardant polyurethane foam in situ
AssigneeSekisui Chemical Co., Ltd.
InventorsYousuke OKADA, Kazuhiro OKADA
Life of this patent
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Abstract
An in-situ foaming system for forming a flame-retardant polyurethane foam in situ comprising a first liquid containing a polyisocyanate (A), a second liquid containing a polyol (B), a trimerization catalyst (C), a foaming agent (D), a foam stabilizer (E), and additives (F) comprising red phosphorus and at least one member selected from the group consisting of phosphoric acid esters, phosphate-containing flame retardants, bromine-containing flame retardants, boron-containing flame retardants, antimony-containing flame retardants, and metal hydroxides.
Claims9
1-7. (canceled)
A flame-retardant polyurethane resin composition comprising:
- a polyisocyanate (A),
- a polyol (B),
- a trimerization catalyst (C),
- a foaming agent (D),
- a foam stabilizer (E), and
- additives (F) comprising red phosphorus and at least one member selected from the group consisting of phosphoric acid esters, phosphate-containing flame retardants, bromine-containing flame retardants, boron-containing flame retardants, antimony-containing flame retardants, metal hydroxides and needle-shaped fillers.
The flame-retardant polyurethane foam being formed from a flame-retardant polyurethane resin composition comprising:
- a polyisocyanate (A),
- a polyol (B),
- a trimerization catalyst (C),
- a foaming agent (D),
- a foam stabilizer (E), and
- additives (F) comprising red phosphorus and at least one member selected from the group consisting of phosphoric acid esters, phosphate-containing flame retardants, bromine-containing flame retardants, boron-containing flame retardants, antimony-containing flame retardants, metal hydroxides and needle-shaped fillers.
Dependencies are inferred from the claim text.