Amphiphilic grafts and co-networks and process for making same
The present invention generally relates to amphiphilic grafts and co-networks made from at least one hydrophilic polymer and at least one hydrophobic polymer, and to processes for preparing such amphiphilic grafts and co-networks. In another embodiment, the present invention relates to amphiphilic co-networks formed from the combination of at least one polysiloxane and at least one polyacrylamide. In yet another embodiment, the present invention relates to amphiphilic co-networks formed from the combination of at least one polysiloxane, at least one polyacrylamide and at least one crosslinking agent.
1. A multicomponent network comprising the reaction product of at least one acrylamide homopolymer, at least one di-alkenyl or di-alkynyl terminated polysiloxane polymer and a crosslinking according to Formula (IV):
2. The multicomponent network of claim 1 , wherein the at least one acrylamide homopolymer is selected from one or more dimethylacryamide polymers.
3. The multicomponent network of claim 2 , wherein the at least one acrylamide homopolymer is a poly(N,N-dimethyl acrylamide (PDMAAm)) polymer.
4. The multicomponent network of claim 3 , wherein the at least one acrylamide homopolymer is a poly(N,N-dimethyl acrylamide (PDMAAm)) polymer according to Formula (I):
where n is equal to an integer in the range of about 5 to about 5,000.
5. The multicomponent network of claim 4 , where n is equal to an integer in the range of about 10 to about 2,500.
6. The multicomponent network of claim 4 , where n is equal to an integer in the range of about 25 to about 1,000.
7. The multicomponent network of claim 4 , where n is equal to an integer in the range of about 40 to about 500.
8. The multicomponent network of claim 1 , wherein the at least one di-alkenyl or di-alkynyl terminated polysiloxane polymer is selected from any polymer according to Formula (III):
where p is equal to an integer in the range of about 5 to about 5,000, where R 1 and R 2 are independently selected from C 1 to C 6 alkyl groups, and where R 3 and R 4 are independently selected from C 2 to C 10 alkenyl groups or C 2 to C 10 alkynyl groups.
9. The multicomponent network of claim 8 , where p is equal to an integer in the range of about 10 to about 2,500.
10. The multicomponent network of claim 8 , where p is equal to an integer in the range of about 25 to about 1,000.
11. The multicomponent network of claim 8 , where p is equal to an integer in the range of about 40 to about 500.
12. The multicomponent network of claim 8 , where R 1 and R 2 are independently selected from C 1 to C 4 alkyl groups.
13. The multicomponent network of claim 8 , where R 1 and R 2 are both selected from methyl groups, propyl groups or butyl groups.
14. The multicomponent network of claim 8 , where R 3 and R 4 are independently selected from C 2 to C 7 alkenyl groups or C 2 to C 7 alkynyl groups.
15. The multicomponent network of claim 8 , where R 3 and R 4 are independently selected from C 2 to C 5 alkenyl groups or C 2 to C 5 alkynyl groups.
16. The multicomponent network of claim 8 , where R 3 and R 4 are both vinyl groups.
17. The multicomponent network of claim 1 , wherein the at least one di-alkenyl or di-alkynyl terminated polysiloxane polymer is selected from any polymer according to Formula (II):
where m is equal to an integer in the range of about 5 to about 5,000.
18. The multicomponent network of claim 17 , where m is equal to an integer in the range of about 10 to about 2,500.
19. The multicomponent network of claim 17 , where m is equal to an integer in the range of about 25 to about 1,000.
20. The multicomponent network of claim 17 , where m is equal to an integer in the range of about 40 to about 500.
21. A method for forming an amphiphilic network or co-network comprising the steps of:
(A) combining at least one acrylamide homopolymer and at least one di-alkenyl or di-alkynyl terminated polysiloxane polymer to form a polymer mixture;
(B) adding a crosslinking composition to the polymer mixture of Step (A) to form a polymer-crosslinker mixture, the one crosslinking composition having a chemical formula according to Formula (IV):
and
(C) subjecting the polymer-crosslinker mixture to crosslinking to yield a crosslinked amphiphilic network or co-network.
22. The method of claim 21 , where the crosslinking reaction of Step (C) utilizes at least one catalyst.
23. The method of claim 22 , where the at least one catalyst is selected from at least one platinum catalyst.
24. The method of claim 21 , wherein the at least one acrylamide homopolymer is selected from one or more dimethylacryamide polymers.
25. The method of claim 24 , wherein the at least one acrylamide homopolymer is a poly(N,N-dimethyl acrylamide (PDMAAm)) polymer.
26. The method of claim 25 , wherein the at least one acrylamide homopolymer is a poly(N,N-dimethyl acrylamide (PDMAAm)) polymer according to Formula (I):
where n is equal to an integer in the range of about 5 to about 5,000.
27. The method of claim 26 , where n is equal to an integer in the range of about 10 to about 2,500.
28. The method of claim 26 , where n is equal to an integer in the range of about 25 to about 1,000.
29. The method of claim 26 , where n is equal to an integer in the range of about 40 to about 500.
30. The method of claim 21 , wherein the at least one di-alkenyl or di-alkynyl terminated polysiloxane polymer is selected from any polymer according to Formula (III):
where p is equal to an integer in the range of about 5 to about 5,000, where R 1 and R 2 are independently selected from C 1 to C 6 alkyl groups, and where R 3 and R 4 are independently selected from C 2 to C 10 alkenyl groups or C 2 to C 10 alkynyl groups.
31. The method of claim 30 , where p is equal to an integer in the range of about 10 to about 2,500.
32. The method of claim 30 , where p is equal to an integer in the range of about 25 to about 1,000.
33. The method of claim 30 , where p is equal to an integer in the range of about 40 to about 500.
34. The method of claim 30 , where R 1 and R 2 are independently selected from C 1 to C 4 alkyl groups.
35. The method of claim 30 , where R 1 and R 2 are both selected from methyl groups, propyl groups or butyl groups.
36. The method of claim 30 , where R 3 and R 4 are independently selected from C 2 to C 7 alkenyl groups or C 2 to C 7 alkynyl groups.
37. The method of claim 30 , where R 3 and R 4 are independently selected from C 2 to C 5 alkenyl groups or C 2 to C 5 alkynyl groups.
38. The method of claim 30 , where R 3 and R 4 are both vinyl groups.
39. The method of claim 21 , wherein the at least one di-alkenyl or di-alkynyl terminated polysiloxane polymer is selected from any polymer according to Formula (II):
where m is equal to an integer in the range of about 5 to about 5,000.
40. The method of claim 21 , where m is equal to an integer in the range of about 10 to about 2,500.
41. The method of claim 21 , where m is equal to an integer in the range of about 25 to about 1,000.
42. The method of claim 21 , where m is equal to an integer in the range of about 40 to about 500.
43. A crosslinked network or co-network produced according to the method of claim 21 .
44. A multicomponent network comprising the reaction product of:
(i) at least one acrylamide polymer according to Formula (I):
where n is equal to an integer in the range of about 5 to about 5,000
(ii) at least one di-alkenyl or di-alkynyl terminated polysiloxane polymer according to Formula (II):
where m is equal to an integer in the range of about 5 to about 5,000; and
(iii) a crosslinking according to Formula (IV):
45. The multicomponent network of claim 44 , where n is equal to an integer in the range of about 10 to about 2,500.
46. The multicomponent network of claim 44 , where n is equal to an integer in the range of about 25 to about 1,000.
47. The multicomponent network of claim 44 , where n is equal to an integer in the range of about 40 to about 500.
48. The multicomponent network of claim 44 , where m is equal to an integer in the range of about 10 to about 2,500.
49. The multicomponent network of claim 44 , where m is equal to an integer in the range of about 25 to about 1,000.
50. The multicomponent network of claim 44 , where m is equal to an integer in the range of about 40 to about 500.