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US 2006/0188709 A1Published application
Heat-activatable adhesive
Assignee3M Innovative Properties Company
InventorPatrice Jannic
Life of this patent
Estimating the term…
Abstract
A heat-activatable adhesive comprising from about 30 to about 70 wt. % of one or more elastomers, from about 20 to about 60 wt. % of one or more novolac phenolic resins, and an effective amount of one or more crosslinking agents capable of effecting crosslinking of the one or more novolac phenolic resins, wherein the ratio of the mass of the one or more novolac phenolic resins over the mass of the one or more elastomers is at least about 0.65.
Claims14
1-13. (canceled)
A heat-activatable adhesive comprising
- (i) from about 30 to about 70 wt. % of one or more elastomers,
- (ii) from about 20 to about 60 wt. % of one or more novolac phenolic resins, and
- (iii) an effective amount of one or more crosslinking agents capable of effecting crosslinking of the one or more novolac phenolic resins,
- wherein the ratio of the mass of the one or more novolac phenolic resins over the mass of the one or more elastomers is at least about 0.65, and wherein the heat-activatable adhesive has upon curing a glass transition temperature of less than about 60° C.
1 more element
Dependencies are inferred from the claim text.