Insulation products formed with aqueous binder compositions
AssigneeOwens Corning Intellectual Capital, LLC
InventorsKendel Smith, Xiujuan Zhang, Gert Mueller
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Abstract
A fibrous insulation product is discloses comprising a plurality of randomly oriented fibers and a thermoset aqueous binder composition at least partially coating said fibers. The binder composition comprises at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons, a cross-linking agent comprising at least two carboxylic acid groups, and a short-chain polyol having at least two hydroxyl groups and a number average molecular weight less than 2,000 Daltons, wherein a ratio of long-chain polyol to short-chain polyol is from 0.1/0.9 to 0.9/0.1.
Claims24
A low-density fibrous insulation product comprising:
- a plurality of randomly oriented fibers;
- and
- a thermoset aqueous binder composition at least partially coating said fibers, said binder composition comprising:
- at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons;
- at least 65 wt. % of a cross-linking agent comprising polymeric polycarboxylic acid, based on the total solids content of the aqueous binder composition;
- and
- a short-chain polyol having at least two hydroxyl groups and a number average molecular weight less than 2,000 Daltons, wherein a ratio of long-chain polyol to short-chain polyol is from 0.1/0.9 to 0.9/0.1,
- wherein the low-density fibrous insulation product has a density between 0.1 and 2.5 lbs/ft3.
A high-density fibrous insulation product comprising:
- a plurality of randomly oriented fibers;
- and
- a thermoset aqueous binder composition at least partially coating said fibers, said binder composition comprising:
- at least one long-chain polyol having at least two hydroxyl groups and a number average molecular weight of at least 2,000 Daltons;
- at least 65 wt. % of a cross-linking agent comprising polymeric polycarboxylic acid, based on the total solids content of the aqueous binder composition;
- and
- a short-chain polyol having at least two hydroxyl groups and a number average molecular weight less than 2,000 Daltons, wherein a ratio of long-chain polyol to short-chain polyol is from 0.1/0.9 to 0.9/0.1,
- wherein the high-density fibrous insulation product has a density between 2.5 and 10 lbs/ft3.
Dependencies are inferred from the claim text.