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US 4,360,568 AGranted
Hot melt adhesive and additive therefor
AssigneePhillips Petroleum Company
InventorGeorge M. Allison, III
Life of this patent
Estimating the term…
Abstract
The holding power of hot melt adhesives is increased by the addition of poly(alpha-methylstyrene) and polyphenylene oxide.
Claims9
Laminate structure comprising at least three elements namely
- (a) a first solid element,
- (b) a second solid element,
- (c) an adhesive layer between said first and said second solid element comprising
- (aa) conjugated diene/monovinyl aromatic copolymer component comprising at least one of
- (aaa) non-hydrogenated conjugated diene/monovinyl aromatic copolymers,
- (bbb) hydrogenated conjugated diene/monovinyl aromatic copolymers with extender oil,
- (bb) a modifying agent compatible with the conjugated diene section of the copolymer,
- (cc) poly(alpha-methylstyrene)
- (dd) polyphenylene oxide.
6 more elements
Dependencies are inferred from the claim text.