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US 8,283,435 B2Granted
PHA adhesive compositions
AssigneeMetabolix, Inc.
InventorRobert S. Whitehouse
Life of this patent
Estimating the term…
Abstract
PHA adhesive compositions, and related methods and articles are disclosed.
Claims36
A method comprising:
- applying a PHA solution comprising a solvent and a PHA to a substrate surface to form a layer of the PHA solution;
- removing at least some of the solvent to form a PHA adhesive composition on the substrate surface;
- wherein the PHA is a poly 3-hydroxybutyrate-co-4-hydroxybutyrate having a glass transition temperature from about −30° C. to about −5° C.;
- and the adhesive composition has an open time of at least 10 minutes;
- and the adhesive composition has a surface tack time value of at most about 15 seconds.
2 more elements
An article comprising:
- a substrate having a surface;
- and
- an adhesive composition supported by the surface of the substrate, wherein the adhesive composition comprises a PHA, the PHA being poly 3-hydroxybutyrate-co-4-hydroxybutyrate having a glass transition temperature from about −30° C. to about −5° C.;
- and the adhesive composition has an open time of at least 10 minutes;
- and the adhesive composition has a surface tack time value of at most about 15 seconds.
2 more elements
Dependencies are inferred from the claim text.