POLYMER BLEND COMPOSITIONS

• US 20080119615A1
• Filed: 11/22/2006
• Published: 05/22/2008
• Est. Priority Date: 11/22/2006
• Status: Active Grant

• Current Assignee: SABIC Global Technologies BV (Government of Saudi Arabia)
• Original Assignee: General Electric Company
• Inventors: White, James M., Gallucci, Robert Russell, Mullen, Tara, Sheth, Kapil Chandrakant, Odle, Roy
• Granted Patent: US 8,399,573 B2
• Time in Patent Office: Days
• US Class Current: 525/418
• CPC Class Codes: C08L 2205/02 containing two or more polymers of the same C08L -group
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 2666/14 Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
• CPC Class Codes: C08L 2666/18 Polyesters or polycarbonates according to C08L67/00 - C08L69/00; Derivatives thereof
• CPC Class Codes: C08L 2666/20 Macromolecular compounds having nitrogen in the main chain according to C08L75/00 - C08L79/00; Derivatives thereof
• CPC Class Codes: C08L 2666/22 Macromolecular compounds not provided for in C08L2666/16 - C08L2666/20
• CPC Class Codes: C08L 65/02 Polyphenylenes
• CPC Class Codes: C08L 67/02 Polyesters derived from dicarboxylic acids and dihydroxy compounds C08L67/06 takes precedence
• CPC Class Codes: C08L 77/00 Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 79/08 Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
• CPC Class Codes: C08L 81/00 Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 81/06 Polysulfones; Polyethersulfones
• CPC Class Codes: Y10T 428/1352 Polymer or resin containing [i.e., natural or synthetic]
• CPC Class Codes: Y10T 428/2913 Rod, strand, filament or fiber

Abstract

Thermoplastic compositions having miscible and compatible immiscible polymer blends are disclosed. The miscible polymer blends have a single glass transition temperature. The compatible polymer blends have two glass transition temperatures.

Claims

1. A composition comprising a polymer blend derived from:

(a) a pre-polymer comprising a component selected from the group consisting of free amine groups, free anhydride groups, and combinations thereof and further comprising structural units derived from a dianhydride and a diamine; and

(b) a polymer comprising a reactive member selected from the group consisting of structural groups, end groups, and combinations thereof;

wherein the reactive member is reactive with the free anhydride groups, the free amine groups, or combinations thereof and wherein the polymer blend is non-delaminated.

2. The composition of claim 1, wherein the dianhydride is oxydiphthalic anhydride and the diamine is a diamino diaryl sulfone.

3. The composition of claim 1, wherein the polymer is selected from the group consisting of polyimides, polyetherimides, polyamideimides, polyaryl ether ketones, polyaryl ketones, polyether ketones, polyether ether ketones, polyaryl sulfones, liquid crystal polymers, polyamides, polyesters, polysulfones, polyphenylene sulfides, polybenzimidazoles, polyphenylenes, and combinations of two or more of the foregoing.

4. The composition of claim 1, wherein the polymer blend has two glass transition temperatures and an article molded from the composition exhibits no delamination after aging at 280°

C. for 240 hours.

5. The composition of claim 4, wherein the two glass transition temperatures are greater than or equal to 50°

C.

6. The composition of claim 1, wherein the polymer blend has one glass transition temperature.

7. The composition of claim 6, wherein the one glass transition temperature is greater than or equal to 100°

C.

8. The composition of claim 1, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 1 weight percent to 99 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 1 weight percent to 99 weight percent, based on the combined weight of the pre-polymer and the polymer.

9. The composition of claim 8, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 10 weight percent to 90 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 10 weight percent to 90 weight percent, based on the combined weight of the pre-polymer and the polymer.

10. The composition of claim 9, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 20 weight percent to 80 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 20 weight percent to 80 weight percent, based on the combined weight of the pre-polymer and the polymer.

11. The composition of claim 1, wherein the polymer blend has a heat deflection temperature greater than or equal to 100°

C. according to ASTM D648.

12. The composition of claim 1, wherein the polymer blend has a tensile strength above 70 MPa according to ASTM D638.

13. The composition of claim 1, wherein the polymer blend has a coefficient of thermal expansion of less than or equal to 100 ppm/°

C. from 30°

C.-200°

C. as measured by thermal mechanical analysis with a thermal ramp rate of 5°

C./minute.

14. The composition of claim 1, wherein the polymer blend has a continuous use temperature greater than or equal to 150°

C.

15. The composition of claim 1, wherein the pre-polymer is essentially free of benzylic protons.

16. The composition of claim 1, wherein the composition further comprises a second polymer.

17. The composition of claim 16 wherein the second polymer is selected from the group consisting of polyphenylene sulfone, polyetherimide, polysulfone, polycarbonate, polyphenylene ether, poly methyl methacrylate, acrylonitrile butadiene styrene, polystyrene, polyvinylchloride, perfluoroalkoxyalkane polymer, co-polymer of tetra fluoro ethylene and perfluorinated vinyl ether, fluorinated ethylene propylene polymer, poly(phenylene sulfide, poly(ether ketone), poly(ether-ether ketone), ethylene chloro trifluoro ethylene polymer, polyvinylidene fluoride, polytetrafluoroethylene, polyethylene terephthalate, polyacetal, polyamide, ultra high molecular weight polyethylene, polypropylene, polyethylene, high density polyethylene, low density polyethylene, polybenzimidizole, poly(amide-imide), poly(ether sulfone), poly(aryl sulfone), polyphenylenes, polybenzoxazoles, polybenzthiazoles and blends and co-polymers thereof.

18. The composition of claim 1, wherein the pre-polymer has a ratio of carbon atoms/(nitrogen atoms+oxygen atoms+sulfur atoms) of 2.8 to 4.2.

47. A composition of matter comprising an article derived from claim 1.

19. A composition comprising a polymer blend derived from:

(a) a pre-polymer comprising a component selected from the group consisting of free amine groups, free anhydride groups, and combinations thereof and further comprising structural units derived from a first dianhydride and a first diamine;

(b) a polymer comprising a reactive member selected from the group consisting of structural groups, end groups, and combinations thereof and further comprising structural units derived from a second dianhydride and a second diamine;

wherein the first dianhydride is the same as the second dianhydride or the first diamine is the same as the second diamine, and

wherein the polymer blend has a single glass transition temperature.

20. The composition of claim 19, wherein the single glass transition temperature is greater than or equal to 100°

C.

21. The composition of claim 19, wherein the first dianhydride or the second anhydride is selected from the group consisting of oxydiphthalic anhydrides, bisphenol-A dianhydrides, and combinations thereof.

22. The composition of claim 19, wherein the first diamine or the second diamine is selected from the group consisting of diamino diaryl sulfones, metaphenylene diamines, paraphenylene diamines, and combinations thereof.

23. The composition of claim 19, wherein the pre-polymer is essentially free of benzylic protons.

24. The composition of claim 19, wherein the polymer blend has a heat deflection temperature greater than or equal to 100°

C. according to ASTM D648.

25. The composition of claim 19, wherein the polymer blend has a tensile strength above 70 MPa according to ASTM D638.

26. The composition of claim 19, wherein the polymer blend has a coefficient of thermal expansion of less than or equal to 100 ppm/°

C. from 30°

C.-200°

C. as measured by thermal mechanical analysis with a thermal ramp rate of 5°

C./minute.

27. The composition of claim 19, wherein the polymer blend has a continuous use temperature greater than or equal to 150°

C.

28. The composition of claim 19, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 1 weight percent to 99 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 1 weight percent to 99 weight percent, based on the combined weight of the pre-polymer and the polymer.

29. The composition of claim 28, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 10 weight percent to 90 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 10 weight percent to 90 weight percent, based on the combined weight of the pre-polymer and the polymer.

30. The composition of claim 28, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 20 weight percent to 80 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 20 weight percent to 80 weight percent, based on the combined weight of the pre-polymer and the polymer.

31. The composition of claim 19, wherein the pre-polymer has a ratio of carbon atoms/(nitrogen atoms+oxygen atoms+sulfur atoms) of 2.8 to 4.2.

32. A composition comprising a polymer blend derived from:

(a) a pre-polymer comprising a component selected from the group consisting of free amine groups, free anhydride groups, and combinations thereof and further comprising structural units derived from a first dianhydride and a first diamine;

(b) a polymer comprising a reactive member selected from the group consisting of structural groups, end groups, and combinations thereof and further comprising structural units derived from a second dianhydride and a second diamine; and

wherein the first dianhydride is different from the second dianhydride and the first diamine is different from the second diamine, and

wherein the polymer blend has greater than one glass transition temperature and an article molded from the composition is essentially free from delamination after aging at 280°

C. for 240 hours.

33. The composition of claim 32, wherein the glass transition temperatures are greater than or equal to 50°

C.

34. The composition of claim 32, wherein the first dianhydride, second dianhydride, or both the first and the second dianhydride is selected from the group consisting of oxydiphthalic anhydrides, bisphenol-A dianhydrides, and combinations thereof.

35. The composition of claim 32, wherein the first diamine, second diamine or both the first and the second diamine is selected from the group consisting of diamino diaryl sulfones, metaphenylene diamines, paraphenylene diamines, and combinations thereof.

36. The composition of claim 32 wherein the pre-polymer is essentially free of benzylic protons.

37. The composition of claim 32, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 1 weight percent to 99 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 1 weight percent to 99 weight percent, based on the combined weight of the pre-polymer and the polymer.

38. The composition of claim 32, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 10 weight percent to 90 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 10 weight percent to 90 weight percent, based on the combined weight of the pre-polymer and the polymer.

39. The composition of claim 32, wherein prior to forming the polymer blend the pre-polymer is present in an amount of 20 weight percent to 80 weight percent, based on the combined weight of the pre-polymer and the polymer and the polymer is present in an amount of 20 weight percent to 80 weight percent, based on the combined weight of the pre-polymer and the polymer.

40. The composition of claim 32, wherein the polymer blend has a heat deflection temperature greater than or equal to 100°

C. according to ASTM D648.

41. The composition of claim 32, wherein the polymer blend has a tensile strength above 70 MPa according to ASTM D638.

42. The composition of claim 32, wherein the polymer blend has a coefficient of thermal expansion of less than or equal to 100 ppm/°

C. from 30°

C.-200°

C. as measured by thermal mechanical analysis with a thermal ramp rate of 5°

C./minute.

43. The composition of claim 32, wherein the polymer blend has a continuous use temperature greater than or equal to 150°

C.

48. A composition of matter comprising an article derived from claim 32.

49. A composition of matter comprising an article derived from claim 42.

50. A composition of matter comprising an article derived from claim 43.

44. A composition comprising a polymer blend derived from:

(a) a pre-polymer comprising a component selected from the group consisting of free amine groups, free anhydride groups, and combinations thereof and further comprising structural units derived from oxydiphthalic anhydrides and diamino diaryl sulfones;

(b) a polyetherimide polymer comprising a reactive member selected from the group consisting of structural groups, end groups, and combinations thereof and further comprising structural units derived from bisphenol-A dianhydrides and diamino diaryl sulfones;

wherein the polymer blend has a single glass transition temperature.

51. A composition of matter comprising an article derived from claim 44.

45. A composition comprising a polymer blend derived from:

(a) a pre-polymer comprising a component selected from the group consisting of free amine groups, free anhydride groups, and combinations thereof and further comprising structural units derived from oxydiphthalic anhydrides and diamino diaryl sulfones;

(b) a polyetherimide polymer comprising a reactive member selected from the group consisting of structural groups, end groups, and combinations thereof and further comprising structural units derived from bisphenol-A dianhydrides and diamino diaryl sulfones;

wherein the polymer blend has greater than one glass transition temperature and an article molded from the composition is essentially free from delamination after aging at 280°

C. for 240 hours.

52. The composition of matter of claim 45, wherein the article is selected from the group consisting of films, membranes, tubing, composites, semi-conductor process tools, wire coatings and jacketing, fluid handling components, cookware, food service items, medical devices, trays, plates, handles, helmets, animal cages, electrical connectors, enclosures for electrical equipment, engine parts, automotive engine parts, bearings, lighting sockets and reflectors, electric motor parts, power distribution equipment, communication equipment, computers, devices have molded in snap fit connectors and fibers.

46. A composition comprising polymer blend derived from:

(a) a pre-polymer comprising a component selected from the group consisting of free amine groups, free anhydride groups, and combinations thereof and further comprising structural units derived from oxydiphthalic anhydride and diamino diaryl sulfone; and

(b) a polyetherimide polymer comprising a reactive member selected from the group consisting of structural groups, end groups, and combinations thereof and further comprising structural units derived from bisphenol-A dianhydride and diamino diaryl sulfone; and

further comprising

a stabilizer selected from the group consisting of antioxidants, phosphites, and combinations thereof;

wherein the polymer blend has a heat deflection temperature greater than or equal to 200°

C. according to ASTM D648;

a tensile strength greater than or equal to 90 megaPascals according to ASTM D638;

a coefficient of thermal expansion of less than or equal to 60 ppm/°

C. from 30°

C.-200°

C. as measured by thermal mechanical analysis with a thermal ramp rate of 5°

C./minute;

wherein prior to the formation of the polymer blend the pre-polymer is present an amount of 50 to 95 weight percent and the polyetherimide polymer is present in an amount of 5 to 50 weight percent, based on the combined weight of the pre-polymer and the polymer.