Polymer-inorganic particle composites

• US 6,599,631 B2
• Filed: 03/27/2001
• Issued: 07/29/2003
• Est. Priority Date: 01/26/2001
• Status: Expired due to Term

• Current Assignee: SRI International, Inc.
• Original Assignee: Nanogram Corporation (Teijin Limited)
• Inventors: Chaloner-Gill, Benjamin, Chiruvolu, Shivkumar, Kumar, Sujeet, MacQueen, David Brent, Kambe, Nobuyuki, Blum, Yigal Do
• Primary Examiner(s): Dawson, Robert
• Assistant Examiner(s): PENG, KUO LIANG
• Application Number:
  US09/818,141
• Publication Number:
  US 20020192476A1
• Time in Patent Office: 854 Days
• Field of Search: 524/401, 524/493, 524/497, 524/404, 524/405, 524/409, 524/403, 524/431, 524/538, 524/588, 524/556, 524/557, 524/537, 524/577, 524/589, 524/602, 428/457, 428/458, 428/461, 428/688, 428/364, 428/521, 428/44, 428/447, 428/391, 428/403, 359/237, 523/200
• US Class Current: 428/447
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: C08G 18/3897 containing heteroatoms other than oxygen, halogens, nitrogen, sulfur, phosphorus or silicon
• CPC Class Codes: C08G 83/001 Macromolecular compounds containing organic and inorganic sequences, e.g. organic polymers grafted onto silica
• CPC Class Codes: C08K 9/08 Ingredients agglomerated by treatment with a binding agent
• CPC Class Codes: G02B 1/005 made of photonic crystals or photonic band gap materials photonic band-gap structures or photonic lattices in integrated optics G02B6/1225; photonic band-gap structures or photonic lattices in optical fibres G02B6/02295
• CPC Class Codes: G02B 6/10 of the optical waveguide type G02B6/02, G02B6/24 take precedence; devices or arrangements for the control of light by electric, magnetic, electro-magnetic or acoustic means G02F1/00; transferring the modulation of modulated light G02F2/00; optical logic elements G02F3/00; optical analogue/digital converters G02F7/00
• CPC Class Codes: H10N 10/856 comprising organic compositions
• CPC Class Codes: Y10T 428/16 Two dimensionally sectional layer
• CPC Class Codes: Y10T 428/25 Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
• CPC Class Codes: Y10T 428/2913 Rod, strand, filament or fiber
• CPC Class Codes: Y10T 428/2962 Silane, silicone or siloxane in coating
• CPC Class Codes: Y10T 428/2991 Coated
• CPC Class Codes: Y10T 428/31663 As siloxane, silicone or silane
• CPC Class Codes: Y10T 428/31678 Of metal
• CPC Class Codes: Y10T 428/31681 Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
• CPC Class Codes: Y10T 428/31692 Next to addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31931 Polyene monomer-containing

Abstract

Inorganic particle/polymer composites are described that involve chemical bonding between the elements of the composite. In some embodiments, the composite composition includes a polymer having side groups chemically bonded to inorganic particles. Furthermore, the composite composition can include chemically bonded inorganic particles and ordered copolymers. Various electrical, optical and electro-optical devices can be formed from the composites.

Claims

1. A composite composition comprising a polymer having side groups chemically bonded to inorganic particles, wherein the side groups comprise a carbonate group, an imide group, a urethane group, an ureate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an hydridosilane group, an organosilane group, a silazone group, a phosphonate group, or any combination thereof.

2. The composite composition of claim 1 wherein the inorganic particles comprise metal/metalloid particles, metal/metalloid oxides, metal/metalloid nitrides, metal/metalloid carbides, metal/metalloid sulfides, metal/metalloid phosphates, or mixtures thereof.

3. The composite composition of claim 1 wherein the polymer is bonded into the composite through one or more side groups that comprise an organic moiety, a sulfide moiety, a sulphate moiety, a phosphate moiety, a carboxyl moiety, or any combination thereof.

4. The composite composition of claim 1 wherein the chemically bonded side groups comprise a carbonate group, an imide group, a urethane group, an ureate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, or any combination thereof.

5. The composite composition of claim 4 wherein the side groups are bonded to the inorganic particle directly at the side group.

6. The composite composition of claim 4 wherein the side groups are bonded also to one or more carbon atoms along a linkage connected to an inorganic particle.

7. The composite composition of claim 1 wherein the side groups are bonded to the inorganic particle at a functional group comprising a phosphonate group, a sulfide group, a sulphonate group or an oxo group.

8. The composite composition of claim 1 wherein the polymer comprises polyamides, polyimides, poly acrylic acid, polyacrylates, polyacrylamides or polysiloxanes.

9. The composite composition of claim 1 having greater than about 6 percent by weight inorganic particles.

10. The composite composition of claim 1 having greater than about 25 percent by weight inorganic particles.

11. The composite composition of claim 1 wherein the inorganic particles have an average particle size less than about 100 nm.

12. The composite composition of claim 1 wherein the inorganic particles have an average particle size less than about 50 nm.

13. The composite composition of claim 1 wherein the chemically bonded side groups comprise an hydridosilane group, an organosilane group, a silane group, a siloxane group, a silazone group, a phosphonate group or any combination thereof.

14. The composite composition of claim 1 wherein the inorganic particles have an average particle size less human about 500 nm.

15. The composite composition of claim 1 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

16. The composite composition of claim 1 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

17. A composite composition comprising inorganic particles chemically bonded to a polymer through a linkage comprising a plurality of functional groups, wherein the polymer is selected from the group consisting of polycarbonates, polyimides, polyphosphazenes, heterocyclic polymers, polyacrylonitrile, polyvinyl chloride, conjugated polymers, electrically conducting polymers and mixtures thereof.

18. The composite composition of claim 17 wherein at least one of the functional groups is selected from the group consisting of an ether group, an ester group, an amide group, an imide group, an amine group, an urethane group, all ureate group, a carbonate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an alkoxy group, an hydridosilane group, an organosilane group, a silane group, an siloxane group, a silazone group, a phosphonate group, sulphonate group and combinations thereof.

19. The composite composition of claim 18 wherein at least one of the functional groups is a siloxy group.

20. The composite composition of claim 18 wherein at least one of the functional groups is an ether group, ester group, amide group, or acid anhydride group.

21. The composite composition of claim 17 wherein the particles comprise a metal/metalloid oxide, metal/metalloid carbide, metal/metalloid nitride, metal/metalloid sulfide, metal/metalloid phosphates, or mixtures thereof.

22. The composite composition of claim 17 wherein the polymer is selected from the group consisting of polyamides, polyimides, polyacrylic acid, polyacrylamides, polysiloxanes and mixtures thereof.

23. The composite composition of claim 17 wherein the polymer comprises polymers with conjugated polymer backbones, polymers with aromatic polymer backbones, or mixtures thereof.

24. The composite composition of claim 17 wherein the polymer courses electrically conducting polymers.

25. The composite composition of claim 17 wherein the inorganic particles have an average particle size less than about 500 nm.

26. The composite composition of claim 17 wherein the inorganic particles have an average particle size less than about 100 nm.

27. The composite composition of claim 17 wherein the inorganic particles have an average particle size less than about 50 nm.

28. The composite composition of claim 17 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

29. The composite composition of claim 17 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

30. The composite composition of claim 17 having greater than about 6 percent by weight inorganic particles.

31. A composite composition comprising chemically bonded inorganic particles and polymer selected from the group consisting of polyamides, polycarbonates, polyimides, polyphosphazenes, polyurethanes, heterocyclic polymers, polysiloxanes, polyacrylonitrile, polyacrylic acid, polyvinyl alcohol, polyvinyl chloride, conjugated polymers, electrically conducting polymers and mixtures thereof, wherein the polymer is chemically bonded to the inorganic particle through a terminal site of a polymer chain.

32. The composite composition of claim 31 wherein the polymer comprises polyamide, polyimide, polycarbonate, polysiloxane, polyurethanes and mixtures thereof.

33. The composite composition of claim 31 wherein the terminal site comprises a functional group comprising an ether group, an ester group, a carbonate group, an amide group, an imide group, an amine group, a urethane group, an ureate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an alkoxy group, an hydridosilane group, an organosilane group, a silane group, a siloxane group, a silazone group, a phosphonate group or any combination thereof.

34. The composite composition of claim 31 wherein lie polymer is bonded to the inorganic particle directly at the terminal site.

35. The composite composition of claim 31 wherein the polymer is bonded to one or more carbon atoms along a linkage connected to an inorganic particle.

36. The composite composition of claim 31 having greater than about 25 percent by weight inorganic particles.

37. The composite composition of claim 31 wherein the inorganic particles have an average particle size less than about 500 nm.

38. The composite composition of claim 31 wherein the inorganic particles have an average particle size less than about 100 nm.

39. The composite composition of claim 31 wherein the inorganic particles have an average particle size less than about 50 nm.

40. The composite composition of claim 31 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

41. The composite composition of claim 31 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

42. The composite composition of claim 31 wherein the particles comprise a metal/metalloid oxide, metal/metalloid carbide, metal/metalloid nitride, metal/metalloid sulfide, metal/metalloid phosphates, or mixtures thereof.

43. A composite composition comprising a polymer chemically bonded to inorganic particles, wherein the inorganic particles comprise a metal.

44. The composite composition of claim 43 wherein the composite has at least about 6 percent by weight inorganic particles.

45. The composite composition of claim 43 wherein the metal comprises gold, silver, copper, platinum or palladium.

46. The composite composition of claim 43 wherein a linkage comprising a plurality of functional groups chemically joins the polymer and the inorganic particle.

47. The composite composition of claim 43 wherein a sulfide group is bonded to the inorganic particle.

48. The composite composition of claim 43 having at least about 25 weight percent inorganic particles.

49. The composite composition of claim 43 wherein the polymer is selected from the group consisting of polyamides, polycarbonates, polyides, polyphosphazenes, polyurethanes, polyacrylates, polyacrylamides, heterocyclic polymers, polysiloxanes, polyacrylonitrile, polyacrylic acid, polyvinyl alcohol, polyvinyl chloride, conjugated polymers, aromatic polymers, electrically conducting polymers and mixtures thereof.

50. The composite composition of claim 43 wherein the inorganic particles have an average particle size less than about 500 nm.

51. The composite composition of claim 43 wherein the inorganic particles have an average particle size less than about 100 nm.

52. The composite composition of claim 43 wherein the inorganic particles have an average particle size less Than about 50 nm.

53. The composite composition of claim 43 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

54. The composite composition of claim 43 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

55. A collection of metal/metalloid nitride particles that are chemically bonded with a polymer through a chemical linkage comprising an amide group, a sulfide group, a disulfide group, an alkoxy group, a ester group, or an acid anhydride group.

56. The collection of particles of claim 55 wherein the linkage is bonded to the particle through a siloxane functional group, a phosphonate functional group or an oxo functional group.

57. The composite composition of claim 55 wherein the particles have an average particle size less than about 500 nm.

58. The composite composition of claim 55 wherein the particles have an average particle size less than about 100 nm.

59. The composite composition of claim 55 wherein the particles have an average particle size less than about 50 nm.

60. The composite composition of claim 55 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

61. The composite composition of claim 55 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

62. The composite composition of claim 55 having greater than about 6 percent by weight inorganic particles.

63. The collection of particles of claim 55 wherein the particles comprise silicon nitride or silicon oxynitride.

64. The collection of particles of claim 55 wherein the particles comprise a metal nitride.

65. A method for forming chemically bonded polymer inorganic particle composites, the method comprising binding side chain functional groups of polymer units to functional groups of a linker compound bonded to the inorganic particles, wherein the side groups comprise a carbonate group, an amide group, an imide group, an amine group, a urethane group, an ureate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an alkoxy group, an hydridosilane group, an organosilane group, a silane group, a siloxane group, a silazone group, a phosphonate group or any combination thereof.

66. The method of claim 65 wherein the polymer is selected from the group consisting of polyamides, polycarbonates, polyimides, polyphosphazenes, polyurethanes, polyacrylates, polyacrylamides, heterocyclic polymers, polysiloxanes, polyacrylonitrile, polyacrylic acid, polyvinyl alcohol, polyvinyl chloride, conjugated polymers, aromatic polymers, electrically conducting polymers and mixtures thereof.

67. The method of claim 65 wherein the side groups comprise an ether group, an ester group, a carbonate group, an amide group, an imide group, an amine group, a urethane group, an ureate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an alkoxy group, an hydridosilane group, an organosilane group, a silane group, a siloxane group, a silazone group, a phosphonate group or any combination thereof.

68. The method of claim 65 wherein the inorganic particles are bonded to the linker compound prior to introduction of the polymer.

69. The method of claim 65 wherein the inorganic particles, the linker compound and the polymer are combined effectively simultaneously.

70. The method of claim 65 wherein the inorganic particles have an average particle size less than about 500 nm.

71. The method of claim 65 wherein the inorganic particles have an average particle size less than about 100 nm.

72. The method of claim 65 wherein the inorganic particles have an average particle size less than about 50 nm.

73. The method of claim 65 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

74. The method of claim 65 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

75. The method of claim 65 wherein the composite comprises greater than about 6 percent by weight inorganic particles.

76. A composite composition comprising a polymer having side groups chemically bonded to inorganic particles having an average particle diameter no more than about 500 nm wherein the inorganic particles comprise a metal or metal compound and wherein effectively no particles have a diameter greater than about 4 times the average diameter.

77. The composite composition of claim 76 wherein the inorganic particles comprise metal particles, metal oxides, metal nitrides, metal carbides, metal sulfides, metal phosphates, or mixtures thereof.

78. The composite composition of claim 76 wherein the polymer is bonded into the composite through one or more side groups that comprise an organic moiety, a siloxy moiety, a sulfide moiety, a sulphate moiety, a phosphate moiety, an amine moiety, a carboxyl moiety, a hydroxyl moiety, or any combination thereof.

79. The composite composition of claim 76 wherein the inorganic particles have an average particle size from about 2 nm to about 100 nm.

80. The composite composition of claim 76 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and, less than about 160 percent of the average diameter.

81. The composite composition of claim 76 wherein the inorganic particles have an average particle size less than about 50 nm.

82. A composite composition comprising inorganic particles chemically bonded to a polymer through a linkage comprising a plurality of functional groups, wherein the polymer is selected from the group consisting of polyamides, polyimides, polyphosphazenes, polyacrylamides, heterocyclic polymers, polyacrylonitrile, polyacrylic acid, polyvinyl alcohol, polyvinyl, chloride, conjugated polymers, aromatic polymers, electrically conducting polymers and mixtures thereof and wherein the inorganic particles having an average particle diameter no more than about 500 nm wherein the inorganic particles comprise a metal or metal compound.

83. The composite composition of claim 82 wherein the inorganic particles comprise metal particles, metal oxides, metal nitrides, metal carbides, metal sulfides, metal phosphates, or mixtures thereof.

84. The composite composition of claim 82 wherein at least one of the functional groups is selected from the group consisting of an ether group, an ester group, an amide group, an imide group, an amine group, an urethane group, an ureate group, a carbonate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an alkoxy group, an hydridosilane group, an organosilane group, a silane group, an siloxane group, a silazone group, a phosphonate group, a sulphonate group and any mixture thereof.

85. The composite composition of claim 82 wherein the inorganic particles have an average particle size from about 2 nm to about 100 nm.

86. The composite composition of claim 82 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

87. The composite composition of claim 82 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

88. The composite composition of claim 82 wherein the inorganic particles have an average particle size less than about 50 nm.

89. The composite composition of claim 82 having greater than about 6 percent by weight inorganic particles.

90. A composite composition comprising chemically bonded inorganic particles and polymer selected from the group consisting of polyamides, polycarbonates, polyimides, polyphosphazenes, polyurethanes, heterocyclic polymers, polysiloxanes, polyacrylonitrile, polyacrylic acid, polyvinyl alcohol, polyvinyl chloride, conjugated polymers, aromatic polymers, electrically conducting polymers and mixtures thereof, wherein the polymer is chemically bonded to the inorganic particle through a terminal site of a polymer chain wherein the inorganic particles have an average diameter less than about 500 nm.

91. The composite composition of claim 90 wherein the inorganic particles have an average particle size less than about 100 nm.

92. The composite composition of claim 90 wherein the inorganic particles have an average particle size less than about 50 nm.

93. The composite composition of claim 90 wherein the inorganic particles comprise metal/metalloid particles, metal/metalloid oxides, metal/metalloid nitrides, metal/metalloid carbides, metal/metalloid sulfides, metal/metalloid phosphates, or mixtures thereof.

94. The composite composition of claim 90 having greater than about 6 percent by weight inorganic particles.

95. The composite composition of claim 90 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

96. The composite composition of claim 90 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

97. A composite composition comprising inorganic particles chemically bonded to a polymer through a linkage comprising a plurality of functional groups, wherein the polymer is selected from the group consisting of polyamides, polycarbonates, polyimides, polyphosphazenes, polyurethanes, polyacrylates, polyacrylamides, heterocyclic polymers, polysiloxanes, polyacrylonitrile polyacrylic acid, polyvinyl alcohol, polyvinyl chloride, conjugated polymers, aromatic polymers, electrically conducting polymers and mixtures thereof, wherein the inorganic particles having an average particle diameter no more than about 500 nm, wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter and wherein the inorganic particles comprise a metal or metal compound.

98. The composite composition of claim 97 wherein the inorganic particles have an average particle size less than about 100 nm.

99. The composite composition of claim 97 wherein the inorganic particles have an average particle size less than about 50 nm.

100. The composite composition of claim 97 wherein the inorganic particles comprise metals/metalloids, metal/metalloid oxides, metal/metalloid nitrides, metal/metalloid carbides, metal/metalloid sulfides, metal/metalloid phosphates, or mixtures thereof.

101. The composite composition of claim 97 having greater than about 6 percent by weight inorganic particles.

102. The composite composition of claim 97 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

103. A composite composition comprising a polymer having side groups chemically bonded to inorganic particles, wherein the side groups comprise a carbonate group, an imide group, an amine group, a urethane group, an ureate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an alkoxy group, an hydridosilane group, an organosilane group, a silane group, a siloxane group, a silazone group, a phosphonate group, or any combination thereof and wherein the inorganic particles comprise metals/metalloids, metal/metalloid nitrides, metal/metalloid sulfides, metal/metalloid phosphates, or mixtures thereof.

104. The composite composition of claim 103 wherein the polymer is bonded into the composite through one or more side groups that comprise an organic moiety, a siloxy moiety, a sulfide moiety, an amine moiety or combinations thereof.

105. The composite composition of claim 103 wherein the chemically bonded side groups comprise a carbonate group, an imide group, an amine group, a urethane group, an ureate group, an anhydride group, a sulfide group, a disulfide group, a hydrocarbyl group, an alkoxy group or combinations thereof.

106. The composite composition of claim 103 wherein the side groups are bonded to the inorganic particle directly at the side group.

107. The composite composition of claim 103 wherein the side groups are bonded also to one or more carbon atoms along a linkage connected to an inorganic particle.

108. The composite composition of claim 103 wherein the side groups are bonded at a functional group comprising an oxysilane group, a phosphonate group, a sulfide group, or an amine group, to the inorganic particle.

109. The composite composition of claim 103 wherein the polymer comprises polyamides, polyimides, poly acrylic acid, polyacrylates, polyacrylamides or polysiloxanes.

110. The composite composition of claim 103 having greater than about 6 percent by weight inorganic particles.

111. The composite composition of claim 103 having greater than about 25 percent by weight inorganic particles.

112. The composite composition of claim 103 wherein the inorganic particles have an average particle size less than about 500 nm.

113. The composite composition of claim 103 wherein the inorganic particles have an average particle size less than about 100 nm.

114. The composite composition of claim 103 wherein the inorganic particles have an average particle size less than about 50 nm.

115. The composite composition of claim 103 wherein effectively no particles have a diameter greater than about 4 times the average diameter.

116. The composite composition of claim 103 wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

117. A composite composition comprising a polymer having side groups chemically bonded to inorganic particles having an average particle diameter no more than about 500 nm wherein the inorganic particles comprise a metal or metal compound and wherein at least about 95 percent of the particles have a diameter greater than about 40 percent of the average diameter and less than about 160 percent of the average diameter.

118. The composite composition of claim 117 wherein the inorganic particles have an average particle size less than about 100 nm.

119. The composite composition of claim 117 wherein the inorganic particles have an average particle size less than about 50 nm.

120. The composite composition of claim 117 wherein the inorganic particles comprise metals/metalloids, metal/metalloid oxides, metal/metalloid nitrides, metal/metalloid carbides, metal/metalloid sulfides, metal/metalloid phosphates, or mixtures thereof.

121. The composite composition of claim 117 having greater than about 6 percent by weight inorganic particles.