| 主权项 |
1. A porous hybrid inorganic/organic material comprising ordered domains wherein the ordered domains are ordered radially, and having formula I, II or III below:
(A)x(B)y(C)z (Formula I) wherein the order of repeat units A, B, and C may be random, block, or a combination of random and block; A is an organic repeat unit which is covalently bonded to one or more repeat units A or B via an organic bond; B is an organosiloxane repeat unit which is bonded to one or more repeat units B or C via an inorganic siloxane bond and which may be further bonded to one or more repeat units A or B via an organic bond; C is an inorganic repeat unit which is bonded to one or more repeat units B or C via an inorganic bond; and x, y are positive numbers and z is a non negative number, wherein when z=0, then 0.002≦x/y≦210, and when z≠0, then 0.0003≦y/z≦500 and 0.002≦x/(y+z)≦210;
(A)x(B)y(B*)y*(C)z (Formula II) wherein the order of repeat units A, B, B*, and C may be random, block, or a combination of random and block; A is an organic repeat unit which is covalently bonded to one or more repeat units A or B via an organic bond; B is an organosiloxane repeat units which is bonded to one or more repeat units B or B* or C via an inorganic siloxane bond and which may be further bonded to one or more repeat units A or B via an organic bond; B* is an organosiloxane repeat unit which is bonded to one or more repeat units B or B* or C via an inorganic siloxane bond, wherein B* is an organosiloxane repeat unit that does not have reactive (i.e., polymerizable) organic components and may further have a protected functional group that may be deprotected after polymerization; C is an inorganic repeat unit which is bonded to one or more repeat units B or B* or C via an inorganic bond; and x, y are positive numbers and z is a non negative number, wherein when z=0, then 0.002≦x/(y+y*)≦210, and when z≠0, then 0.0003≦(y+y*)/z≦500 and 0.002≦x/(y+y*+z)≦210; or
[A]y[B]x (Formula III), wherein x and y are whole number integers and A is SiO2/(R1pR2pSiOt)n or SiO2/[R3(R1rSiOt)m]n; wherein R1 and R2 are independently a substituted or unsubstituted C1 to C7 alkyl group, or a substituted or unsubstituted aryl group, R3 is a substituted or unsubstituted C1 to C7 alkylene, alkenylene, alkynylene, or arylene group bridging two or more silicon atoms, p and q are 0, 1, or 2, provided that p+q=1 or 2, and that when p+q=1, t=1.5, and when p+q=2, t=1; r is 0 or 1, provided that when r=0, t=1.5, and when r=1, t=1; m is an integer greater than or equal to 2; and n is a number from 0.01 to 100; B is:
SiO2/(R4vSiOt)n wherein R4 is hydroxyl, fluorine, alkoxy, aryloxy, substituted siloxane, protein, peptide, carbohydrate, nucleic acid, or combinations thereof, R4 is not R1, R2, or R3; v is 1 or 2, provided that when v=1, t=1.5, and when v=2, t=1; and n is a number from 0.01 to 100; wherein the material of formula III has an interior area and an exterior surface, and said interior area of said material has a composition represented by A; said exterior surface of said material has a composition represented by A and B, and wherein said exterior composition is between about 1 and about 99% of the composition of B and the remainder comprising A. |
