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US 9,902,879 B2Granted
Catalyzing amino-substituted organosilane ester primers
Assignee3M Innovative Properties Company
InventorsNaiyong Jing, Peter O. Rekow
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Abstract
Methods for bonding a polymer surface (e.g., a fluoropolymer surface) to a substrate, including foam tape substrates, and articles produced thereby. The methods can include using a primer composition having an amidine catalyst in combination with an amino-substituted organosilane ester.
Claims19
A bonded article comprising:
- a composite element comprising a polymer and particulate dispersed in the polymer;
- a primer layer consisting of an amino-substituted organosilane ester or ester equivalent and an amidine catalyst and optionally a solvent, wherein the amidine catalyst has a general formula:
- wherein R1, R2, R3, and R4 are each independently selected from hydrogen, monovalent organic groups, monovalent heteroorganic groups, and combinations thereof;
- and
- a first adhesive layer,
- wherein the primer layer bonds together the composite element and the first adhesive layer.
3 more elements
A bonded article comprising:
- a composite element comprising a polymer and particulate dispersed in the polymer;
- a primer layer consisting of an amino-substituted organosilane ester or ester equivalent and an amidine catalyst and optionally a solvent, wherein wherein the amidine catalyst has a general formula:
- wherein R1, R2, R3, and R4 are each independently selected from hydrogen, monovalent organic groups, monovalent heteroorganic groups, and combinations thereof;
- and
- a first adhesive layer,
- wherein the primer layer bonds together the composite element and the first adhesive layer.
3 more elements
Dependencies are inferred from the claim text.