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US 7,166,646 B2Granted
Asphalt-filled polymer foams
AssigneeOwens Corning Fiberglas Technology, Inc.
InventorsRoland R. Loh, Barbara A. Fabian, Sheree L. Bargabos, Mitchell Z. Weekley, Byron J. Hulls, J. Patrick Rynd
Life of this patent
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Abstract
This invention relates to foam insulating products, particularly extruded polystyrene foam, containing asphalt as an infrared attuation and process additives for improving the insulating properties and for reducing the manufacturing cost of the foam products.
Claims12
A thermally insulating polymeric foam material comprising:
- a) polystyrene;
- b) from about 0.1% to about 15% asphalt by weight based on the polystyrene;
- and
- c) a blowing agent.
1 more element
A thermally insulating polymeric foam material comprising:
- a) polystyrene;
- b) from about 0.1% to about 15% asphalt by weight based on the polystyrene;
- c) a blowing agent;
- and
- d) an infrared attenuating agent.
2 more elements
Dependencies are inferred from the claim text.