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US 2015/0307676 A1Published application
Polyurethane scorch inhibitor
AssigneeVanderbilt Chemicals, LLC
InventorJohn D. DeMassa
Life of this patent
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Abstract
An additive composition for inhibiting scorch in a polyurethane foam composition, the additive comprising a derivatized hydroquinone; a derivatized lactone; and a derivatized phenolic compound. A polyurethane foam composition contains the additive composition.
Claims14
An additive composition for inhibiting scorch in a polyurethane foam composition, the additive comprising:
- a derivatized hydroquinone at about 1-25% by weight;
- a derivatized lactone at about 5-25% by weight;
- and
- a derivatized phenolic compound at about 70-90% by weight.
1 more element
A polyurethane foam composition, comprising a scorch inhibitor additive composition at about 0.001-5 pbw, the additive composition comprising, by weight of the total additive:
- a derivatized hydroquinone at about 1-25%;
- a derivatized lactone at about 5-25%;
- and
- a derivatized phenolic compound at about 70-90%.
1 more element
Dependencies are inferred from the claim text.