TREA

Organoclay suitable for use in halogenated resin and composite systems thereof

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Information

  • Patent Application
  • 20070197711
  • Publication Number
    20070197711
  • Date Filed
    February 16, 2007
    17 years ago
  • Date Published
    August 23, 2007
    17 years ago
Information
Abstract
A polymer/organoclay composition having improved color stability. The composition includes a halogenated polymer matrix. It also includes an organoclay composition which is comprised of phyllosilicate clay and one or more quaternary ammonium compounds. The quaternary ammonium compounds include tri- and tetra-[poly]oxyalkylene quaternary ammonium compounds, the ether and ester derivatives thereof. The phyllosilicate clay phyllosilicate clay includes a smectite clay and the polymer includes polyvinyl chloride. The polymer/organoclay composition includes quaternary ammonium compounds selected from the following: tris[2-hydroxyethyl]tallow alkyl ammonium ion, tris[2-hydroxyethyl]hydrogenated tallow alkyl ammonium ion and tris[2-hydroxyethyl]stearyl alkyl ammonium ion.
Description

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawing, which is included to provide further understanding of the disclosure and is incorporated in and constitute a part of this specification, illustrates embodiments of the disclosure and, together with the description, serve to explain the principles of the disclosure.



FIG. 1 illustrates the CIE color test results of an embodiment of the present invention.


Claims
  • 1. A polymer composition comprising: a polymer matrix comprising a halogenated polymer;an organoclay composition comprising: a phyllosilicate clay;one or more quaternary ammonium compounds having the formula of:
  • 2. The composition of claim 1, wherein said organoclay comprises a product of the reaction of the phyllosilicate clay and said one or more quaternary ammonium compounds, said one or more quaternary ammonium compounds having an associated anion M− including chloride, bromide, methylsulfate, ethylsulfate, hydroxide, acetate, carbonate, and sulfate.
  • 3. The composition of claim 1, wherein the phyllosilicate clay is selected from the group clays consisting of smectite, mica, vermiculite, synthetic vermiculite, synthetic smectite and synthetic mica.
  • 4. The composition of claim 1, wherein the phyllosilicate clay comprises a smectite clay.
  • 5. The composition of claim 4, wherein said smectite clay includes saponite, stevensite, and beidellite.
  • 6. The composition of claim 4, wherein said smectite clay includes bentonite.
  • 7. The composition of claim 4, wherein said smectite clay includes montmorillonite.
  • 8. The composition of claim 4, wherein said smectite clay includes hectorite.
  • 9. The composition of claim 2, wherein a smectite clay is in the form of a metal cation exchanged clay and M− of the quaternary ammonium compound is selected from the group consisting of chloride, bromide, methylsulfate, ethylsulfate, acetate and sulfate.
  • 10. The composition of claim 2, wherein a smectite clay is in a protonic form and M− of the quaternary ammonium compound is selected from the group consisting of hydroxide, carbonate and acetate.
  • 11. The composition of claim 1, having sufficient quaternary ammonium compound to satisfy 50 to 150 percent of clay cation exchange capacity.
  • 12. The composition of claim 1, having sufficient quaternary ammonium compound to satisfy 75 to 125 percent of clay cation exchange capacity.
  • 13. The composition of claim 1, having sufficient quaternary ammonium compound to satisfy about 100 percent of clay cation exchange capacity.
  • 14. The composition of claim 1, optionally further comprising an intercalated organic material.
  • 15. The composition of claim 14, wherein said organic material comprises neutral organic material.
  • 16. The composition of claim 14, wherein said organic material includes anionic organic material.
  • 17. The composition of claim 1, wherein R1, R2 and R3 include one or more oxygen-containing substituents wherein said substituents are at least beta to nitrogen of said quaternary ammonium compound.
  • 18. The composition of claim 17, wherein R1, R2 and R3 include a hydroxyl group, an ester group and an ether group.
  • 19. The composition of claim 1, wherein at least one of R5, R6 and R7 comprise hydrogen and at least one of R5, R6 and R7 do not comprise hydrogen.
  • 20. The composition of claim 1, wherein R5, R6 and R7 do not comprise hydrogen.
  • 21. The composition of claim 1, wherein R5, R6 and R7 comprise hydrogen.
  • 22. The composition of claim 1, wherein said quaternary ammonium compound is selected from the group of ions consisting of tris[2-hydroxyethyl]tallow alkyl ammonium ion, tris[2-hydroxyethyl]hydrogenated tallow alkyl ammonium ion and tris[2-hydroxyethyl]stearyl alkyl ammonium ion.
  • 23. The composition of claim 1, wherein said quaternary ammonium compound includes tris[2-hydroxyethyl]tallow alkyl ammonium acetate.
  • 24. The composition of claim 1, wherein said quaternary ammonium compound includes dihydrogenated tallow ester quat of methyl triethanol ammonium cation.
  • 25. The composition of claim 1, wherein said polymer matrix is selected from the group of polyvinyl halides consisting of halogenated rubber, polychloroprene, polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), vinylidene chloride-vinyl chloride copolymers, vinyl chloride copolymers, vinylidene fluoride polymers, polyvinylidene fluoride (PVDF) and polytetrafluoroethylene (PTFE).
  • 26. The composition of claim 25, wherein said polymer matrix comprises polyvinyl chloride.
  • 27. The composition of claim 25, wherein said polymer matrix comprises polyvinylidene chloride.
  • 28. The composition of claim 26, said polymer composition having enhanced resistance to discoloration measured by the CIE color system.
  • 29. A polymer composition comprising: a polymer matrix; andan organoclay composition comprising: a phyllosilicate clay;one or more quaternary ammonium compounds, said quaternary ammonium compounds having an amine degradation product with a pKa less than 8.5.
  • 30. The composition of claim 29, wherein said polymer matrix is selected from the group of polyvinyl halides consisting of halogenated rubber, polychloroprene, polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), vinylidene chloride-vinyl chloride copolymers, vinyl chloride copolymers, vinylidene fluoride polymers, polyvinylidene fluoride (PVDF) and polytetrafluoroethylene (PTFE).
  • 31. The composition of claim 30, wherein said polymer matrix comprises polyvinyl chloride.
  • 32. The composition of claim 30, wherein said polymer matrix comprises polyvinylidene chloride.
  • 33. The composition of claim 31, said polymer composition having enhanced resistance to discoloration measured by the CIE color system.
  • 34. A polymer composition comprising: a polymer matrix; andan organoclay composition comprising: a phyllosilicate clay;one or more quaternary ammonium compounds having a formula of:
  • 35. The composition of claim 34, wherein said organoclay comprises a product of the reaction of the phyllosilicate clay and said one or more quaternary ammonium compounds, said one or more quaternary ammonium compounds having an associated anion M− including chloride, bromide, methylsulfate, ethylsulfate, hydroxide, acetate, carbonate, and sulfate.
  • 36. The composition of claim 34, wherein the phyllosilicate clay is selected from the group of clays consisting of smectite, mica, vermiculite, synthetic vermiculite, synthetic smectite and synthetic mica.
  • 37. The composition of claim 34, wherein the phyllosilicate clay comprises a smectite clay.
  • 38. The composition of claim 37, wherein said smectite clay includes saponite, stevensite, and beidellite.
  • 39. The composition of claim 37, wherein said smectite clay includes bentonite.
  • 40. The composition of claim 37, wherein said smectite clay includes montmorillonite.
  • 41. The composition of claim 37, wherein said smectite clay includes hectorite.
  • 42. The composition of claim 35, wherein a smectite clay is in the form of a metal cation exchanged clay and M− is selected from the group consisting of chloride, bromide, methylsulfate, ethylsulfate, acetate and sulfate.
  • 43. The composition of claim 35, wherein a smectite clay is in a protonic form and the counter ion is selected from the group consisting of hydroxide, carbonate and acetate.
  • 44. The composition of claim 34, having sufficient quaternary ammonium compound to satisfy 50 to 150 percent of clay cation exchange capacity.
  • 45. The composition of claim 34, having sufficient quaternary ammonium compound to satisfy 75 to 125 percent of clay cation exchange capacity.
  • 46. The composition of claim 34, having sufficient quaternary ammonium compound to satisfy about 100 percent of clay cation exchange capacity.
  • 47. The composition of claim 34, optionally further comprising an intercalated organic material.
  • 48. The composition of claim 47, wherein said organic material comprises neutral organic material.
  • 49. The composition of claim 47, wherein said organic material includes anionic organic material.
  • 50. The composition of claim 34, wherein R1, R2, R3 and R8 include one or more oxygen-containing substituents wherein said substituents are at least beta to nitrogen of said quaternary ammonium compound.
  • 51. The composition of claim 50, wherein R1, R2, R3 and R8 include a hydroxyl group, an ester group and an ether group.
  • 52. The composition of claim 34, wherein at least one of R5, R6, R7 and R9 comprises hydrogen and at least one of R5, R6, R7 and R9 do not comprise hydrogen.
  • 53. The composition of claim 34, wherein R5, R6, R7 and R9 do not comprise hydrogen.
  • 54. The composition of claim 34, wherein R5, R6, R7 and R9 are comprise hydrogen.
  • 55. The composition of claim 34, wherein said polymer matrix is selected from the group of polyvinyl halides consisting of halogenated rubber, polychloroprene, polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), vinylidene chloride-vinyl chloride copolymers, vinyl chloride copolymers, vinylidene fluoride polymers, polyvinylidene fluoride (PVDF) and polytetrafluoroethylene (PTFE).
  • 56. The composition of claim 55, wherein said polymer matrix comprises polyvinyl chloride.
  • 57. The composition of claim 55, wherein said polymer matrix comprises polyvinylidene chloride.
Provisional Applications (1)
Number Date Country
60774833 Feb 2006 US