Poly (alkyl carbonate) adhesives

US11401374B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11401374-B2
Application numberUS-201916544174-A
CountryUS
Kind codeB2
Filing dateAug 19, 2019
Priority dateAug 20, 2018
Publication dateAug 2, 2022
Grant dateAug 2, 2022

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

The invention provides polymer compositions, compounds, processes, and methods of use of the polymers for biodegradable consumer plastics, adhesives, e.g., bioadhesives, pressure sensitive adhesives and thermos-responsive adhesives.

First claim

Opening claim text (preview).

What is claimed is: 1. A polymer of comprising: (i) a repeating unit represented by Formula (I); and (ii) a repeating unit represented by Formula (II) where: wherein: X 11 , X 12 , X 13 , X 14 , X 15 , X 21 , X 22 , X 23 , X 24 and X 25 are independently selected from the group consisting of O, S, Se, and NH; R 11 and R 21 are independently hydrogen, alkyl, alkenyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, silyl, alkylsilyl, arylsilyl, alkylaryl, arylalkyl, poly(ethylene glycol), poly(ethylene oxide), poly(hydroxyacid), a carbohydrate, a protein, a polypeptide, an amino acid, a nucleic acid, a nucleotide, a lipid, an oligosaccharide, a polysaccharide, an antibody, a pharmaceutical agent, an imaging agent, an epitope for a biological receptor, a photocrosslinkable group, or an ionically crosslinkable group, wherein alkyl, alkenyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, silyl, alkylsilyl, arylsilyl, alkylaryl, and arylalkyl is optionally substituted by one or more substituents selected independently from the group consisting of hydroxyl, hydroxyether, carboxyl, carboxyester, carboxyamide, amino, mono- or di-substituted amino, thiol, thioester, sulfate, phosphate, phosphonate, and halogen; R 12 and R 22 are independently unsubstituted alkyl; provided that R 12 and R 22 are different, and wherein a mol/mol ratio of Formula (I) to Formula (II) is from about 5:95 to about 30:70. 2. The polymer of claim 1 , wherein X 11 , X 12 , X 13 , X 14 and X 15 are O. 3. The polymer of claim 1 , wherein R 11 is hydrogen or C 1 -C 10 alkyl, wherein C 1 -C 10 alkyl is optionally substituted with one, two, three, four, five or six substituents selected independently from the group consisting of hydroxyl, hydroxyether, carboxyl, amino, mono- or di-substituted amino, thiol, thioester, and halogen. 4. The polymer of claim 1 , wherein X 21 , X 22 , X 23 , X 24 and X 25 are O. 5. The polymer of claim 1 , wherein R 21 is hydrogen or C 1 -C 10 alkyl, wherein C 1 -C 10 alkyl is optionally substituted with one, two, three, four, five or six substituents selected independently from the group consisting of hydroxyl, hydroxyether, carboxyl, amino, mono- or di-substituted amino, thiol, thioester, and halogen. 6. A composition comprising a polymer of claim 1 . 7. The composition of claim 6 , wherein the composition is in form of a solution, polymeric film, sheet, mesh, foam, fiber or particle. 8. An adhesive composition comprising a polymer of claim 1 . 9. The adhesive composition of claim 8 , wherein the adhesive is pressure-sensitive and/or thermo-responsive. 10. The adhesive composition of claim 8 , wherein the adhesive has a minimum peel force of at least 1 N/cm. 11. The adhesive composition of claim 8 , wherein the adhesive has a minimum tack strength of at least 20N. 12. A method for bonding at least two sites together, the method comprising applying a polymer of 32 to at least one site and contacting the at least two sites together. 13. The method of claim 12 , where at least one site is a biological surface. 14. The method of claim 12 , wherein at least one site is a synthetic surface. 15. The method of claim 14 , wherein the synthetic surface is a surface of a medical device. 16. A method of forming an adhesive composition, the method comprising preparing an adhesive polymer of claim 1 . 17. The polymer of claim 1 , wherein R 12 and R 22 are independently unsubstituted C 1 -C 10 alkyl. 18. The polymer of claim 1 , wherein R 12 and R 22 are independently methyl, ethyl, propyl, iso-propyl, butyl, but-2-yl, 2-methylpropyl, t-butyl, pentyl or hexyl. 19. The polymer of claim 1 , wherein X 11 , X 12 , X 13 , X 14 , X 15 , X 21 , X 22 , X 23 , X 24 and X 25 are O; R 11 and R 21 are independently hydrogen or C 1 -C 10 alkyl; and R 12 and R 22 are independently unsubstituted C 1 -C 10 alkyl. 20. The polymer of claim 1 , wherein X 11 , X 12 , X 13 , X 14 , X 15 , X 21 , X 22 , X 23 , X 24 and X 25 are O; and R 11 and R 21 are independently hydrogen; and R 12 and R 22 are independently methyl, ethyl, propyl, iso-propyl, butyl, but-2-yl, 2-methylpropyl, t-butyl, pentyl or hexyl. 21. The polymer of claim 1 , wherein more than 50% of adjacent stereocenters in the polymer have the same stereochemistry or greater than 50% of the stereocenters are of the same stereochemistry. 22. The polymer of claim 1 , wherein the polymer is prepared by terpolymerization of CO 2 with glycidyl esters. 23. A polymer comprising: (i) a repeating unit represented by Formula (I); and (ii) a repeating unit represented by Formula (II) where: wherein: X 11 , X 12 , X 13 , X 14 , X 15 , X 21 , X 22 , X 23 , X 24 and X 25 are independently selected from the group consisting of O, S, Se, and NH; R 11 and R 21 are independently hydrogen, alkyl, alkenyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, silyl, alkylsilyl, arylsilyl, alkylaryl, arylalkyl, poly(ethylene glycol), poly(ethylene oxide), poly(hydroxyacid), a carbohydrate, a protein, a polypeptide, an amino acid, a nucleic acid, a nucleotide, a lipid, an oligosaccharide, a polysaccharide, an antibody, a pharmaceutical agent, an imaging agent, an epitope for a biological receptor, a photocrosslinkable group, or an ionically crosslinkable group, wherein alkyl, alkenyl, cycloalkyl, aryl, heterocyclyl, heteroaryl, silyl, alkylsilyl, arylsilyl, alkylaryl, and arylalkyl is optionally substituted by one or more substituents selected independently from the group consisting of hydroxyl, hydroxyether, carboxyl, carboxyester, carboxyamide, amino, mono- or di-substituted amino, thiol, thioester, sulfate, phosphate, phosphonate, and halogen; R 12 is methyl; and R 22 is propyl; and wherein: a mol/mol ratio of Formula (I) to Formula (II) is from about 5:95 to about 45:55. 24. The polymer of claim 23 , wherein X 11 , X 12 , X 13 , X 14 and X 15 are O. 25. The polymer of claim 23 , wherein R 11 is hydrogen or C 1 -C 10 alkyl, wherein C 1 -C 10 alkyl is optionally substituted with one, two, three, four, five or six substituents selected independently from the group consisting of hydroxyl, hydroxyether, carboxyl, amino, mono- or di-substituted amino, thiol, thioester, and halogen. 26. The polymer of claim 23 , wherein X 21 , X 22 , X 23 , X 24 and X 25 are O. 27. The polymer of claim 23 , wherein R 21 is hydrogen or C 1 -C 10 alkyl, wherein C 1 -C 10 alkyl is optionally substituted with one, two, three, four, five or six substituents selected independently from the group consisting of hydroxyl, hydroxyether, carboxyl, amino, mono- or di-substituted amino, thiol, thioester, and halogen. 28. The polymer of claim 23 , wherein X 11 , X 12 , X 13 , X 14 , X 15 , X 21 , X 22 , X 23 , X 24 and X 25 are O; and R 11 and R 21 are independently hydrogen or C 1 -C 10 alkyl. 29. The polymer of claim 23 , wherein X 11 , X 12 , X 13 , X 14 , X 15 , X 21 , X 22 , X 23 , X 24 and X 25 are O; and R 11 and R 21 are independently hydrogen. 30. The polymer of claim 23 , wherein more t

Assignees

Inventors

Classifications

  • Pressure-sensitive adhesives [PSA] · CPC title

  • Compositions of polycarbonates; Compositions of derivatives of polycarbonates · CPC title

  • using carbon dioxide · CPC title

  • C08G64/34Primary

    and cyclic ethers · CPC title

  • saturated · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US11401374B2 cover?
The invention provides polymer compositions, compounds, processes, and methods of use of the polymers for biodegradable consumer plastics, adhesives, e.g., bioadhesives, pressure sensitive adhesives and thermos-responsive adhesives.
Who is the assignee on this patent?
Univ Boston
What technology area does this patent fall under?
Primary CPC classification C08G64/34. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 02 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).