Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups Number:7,087,710 from the United States Patent and Trademark Office (PTO) owispatent

Title: Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups

Abstract: A fluorine containing polymer which acts as a wetting, flow or leveling agent, and has at least one polar group. The polymer has at least one pendant or ether side chain containing from about 1 to about 20 carbon atoms with at least 25% of the hydrogen atoms being replaced by fluorine atoms. The fluorinated polymers unexpectedly impart wetting, flow or leveling properties to a variety of coatings while producing little foam.

Patent Number: 7,087,710 Issued on 08/08/2006 to Medsker,   et al.

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Inventors:	Medsker; Robert E. (Hartville, OH), Thomas; Richard R. (Stow, OH), Kausch; Charles M. (Copley, OH), Woodland; Daniel D. (Monroe Falls, OH), Weinert; Raymond J. (Macedonia, OH), Leising; Jane E. (Medina, OH), Kim; Yongsin (Hudson, OH)
Assignee:	OMNOVA Solutions Inc. (Fairlawn, OH)
Appl. No.:	10/882,738
Filed:	June 30, 2004

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	10142229	May., 2002
	09855053	May., 2001	6660828

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Current U.S. Class:	528/402
Current International Class:	C08G 65/22 (20060101)
Field of Search:	528/402

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Primary Examiner: Moore; Margaret G.
Attorney, Agent or Firm: Renner, Kenner, Greive, Bobak, Taylor & Weber

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Parent Case Text

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CROSS REFERENCE

This application is a continuation of U.S. Ser. No. 10/142,229, filed May 9, 2002 now abandoned, which is a continuation-in-part of U.S. Ser. No. 09/855,053 filed May 14, 2001 now U.S. Pat. No. 6,660,828.

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Claims

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What is claimed is:

1. A block copolymer composition, comprising: at least one polyfluorooxetane block bonded to a polyether block via an ether linkage, said polyfluorooxetane block having a repeat unit of the formula ##STR00019## wherein each n is, independently, 1 to about 6, wherein R is hydrogen or an alkyl group having from 1 to 6 carbon atoms, and wherein each R.sub.f is, independently, a linear or branched alkyl group of from 1 to about 20 carbon atoms with a minimum of 50% of the hydrogen atoms of said R.sub.f alkyl group being replaced by F, and optionally up to all of the remaining H atoms being replaced by I, Cl, or Br, or each said R.sub.f group, where DP is from 2 to about 100; and wherein said polyether block has ether repeat units that include from 2 to about 6 carbon atoms per repeat unit, and wherein the number average molecular weight of said polyether block is from about 250 to about 10,000.

2. A block copolymer composition according to claim 1, wherein said DP is from 2 to about 30, and wherein said polyfluorooxetane block is an oligomer, a polymer, or a copolymer.

3. A block copolymer composition according to claim 2, wherein said R.sub.f contains a minimum of 75 percent of said hydrogen atoms being replaced by F.

4. A block copolymer composition according to claim 3, wherein the number average molecular weight of said polyether block is from about 300 to about 5,000, and wherein said polyfluorooxetane block includes one or more repeat units that derive from tetrahydrofuran.

5. A block copolymer composition according to claim 4, wherein said DP is from about 4 to about 20.

6. A block copolymer composition according to claim 5, wherein n is from 1 to about 3, R is methyl or ethyl, wherein said R.sub.f is from 1 to about 7 carbon atoms and contains a minimum of 95% of said hydrogen atoms being replaced by F.

7. A block copolymer composition according to claim 6, wherein said block copolymer is an AB, or a BAB, or a BA, or an ABA block copolymer, wherein said A block is said polyether block and said B block is said polyfluorooxetane block.

8. A flow, or wetting, or leveling agent, comprising the composition of claim 1.

9. A flow, or wetting, or leveling agent, comprising the composition of claim 3.

10. A flow, or wetting, or leveling agent, comprising the composition of claim 5.

11. A flow, or wetting, or leveling agent, comprising the composition of claim 7.

12. A solution comprising a flow, or leveling, or wetting agent comprising the composition of claim 1.

13. A polymer solution containing a flow, or leveling, or wetting agent comprising the composition of claim 1, wherein the block copolymer is an aqueous soluble, dispersible, or an emulsifiable polymer.

14. A polymeric solution containing a flow, or leveling, or wetting agent comprising the composition of claim 1, wherein the block copolymer is a solvent soluble polymer.

15. A polymeric solution containing a flow, or leveling, or wetting agent comprising the composition of claim 6, wherein the block copolymer is a solvent soluble polymer.

16. A composition comprising: the reaction product of a polyether initiator and a fluorooxetane monomer having the formula ##STR00020## wherein each n is, independently, 1 to about 6, wherein R is hydrogen or an alkyl group having from 1 to 6 carbon atoms, and wherein each R.sub.f is, independently, a linear or branched alkyl group of from 1 to about 20 carbon atoms with a minimum of 50% of the hydrogen atoms of said R.sub.f alkyl group being replaced by F, and optionally up to all of the remaining H atoms being replaced by I, Cl, or Br, wherein said polyether initiator has at least one reactive hydroxyl end group, repeat groups containing 2 or 3 carbon atoms, or combinations thereof, and a number average molecular weight of at least 250.

17. A composition according to claim 16, wherein R.sub.f has from 1 to 7 carbon atoms and a minimum of 90 percent of said hydrogen atoms being replaced by F, and wherein said polyether initiator has a molecular weight of from about 300 to about 5,000.

18. A composition according to claim 17, further including the reaction product of said polyether initiator, said fluoroxetane monomer, and a tetrahydrofuran monomer, and wherein said polyether initiator has 2 reactive hydroxyl end groups.

19. A composition according to claim 18, wherein said reaction product is an AB or a BAB block copolymer wherein said A block derives from said polyether initiator and said B block is derived from said fluorooxetane monomers and said tetrahydrofuran monomer.

20. A composition comprising: the reaction product of a polyfluorooxetane initiator and an alkylene oxide monomer comprising ethylene oxide, propylene oxide, or mixtures thereof, wherein said polyfluorooxetane initiator is an oligomer, a polymer, or a copolymer having 1 or 2 hydroxyl end groups, and having a repeat unit of the formula ##STR00021## wherein each n is, independently, 1 to about 6, wherein R is hydrogen or an alkyl group having from 1 to 6 carbon atoms, and wherein each R.sub.f is, independently, a linear or branched alkyl group of from 1 to about 20 carbon atoms with a minimum of 50% of the hydrogen atoms of said R.sub.f alkyl group being replaced by F, and optionally up to all of the remaining H atoms being replaced by I, Cl, or Br and DP is from about 2 to about 100.

21. A composition according to claim 20, wherein R.sub.f has from 1 to 7 carbon atoms and a minimum of 90 percent of said hydrogen atoms being replaced by F.

22. A composition according to claim 21, wherein said polyfluorooxetane copolymer contains repeat groups derived from tetrahydrofuran, and wherein said polyfluorooxetane initiator has two hydroxyl end groups.

23. A composition according to claim 22, wherein n is 1 to about 3, wherein R is methyl or ethyl, and wherein DP is from about 4 to about 20.

24. A composition according to claim 23, wherein said reaction product is a BA or an ABA block copolymer wherein said A block is a polyether block and said B block is a polyfluorooxetane oligomer, polymer, or copolymer.

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Description

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FIELD OF THE INVENTION

One or more low carbon atom fluorocarbons of usually 7 carbon atoms or less are contained on a polymer generally having polar groups. The fluorocarbons generally exist as side chains with at least 25% of the hydrogen