US 5,378,790 AGranted

Single component inorganic/organic network materials and precursors thereof

AssigneeE. I. Du Pont de Nemours and Company

InventorsMichael J. Michalczyk, Kenneth G. Sharp

Life of this patent

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Abstract

Single component inorganic/organic network materials incorporating the physical properties of glasses with the flexibility of organic materials of empirical formula X(SiO.sub.1.5).sub.n wherein X is one or more flexible organic linkages and n is greater than or equal to 2, as well as precursors thereof, are disclosed.

Claims5

Dependent claims

An inorganic/organic composition of the idealized empirical formula (II):

X(SiO.sub.1.5).sub.n (II)
wherein
n is an integer greater than or equal to 2;
and
X is at least one flexible organic link selected from the group consisting of:
(a) R.sup.1.sub.m SiY.sub.4-m ;
(b) ring structures ##STR29## (c) R.sup.1.sub.m Si(OSi(CH.sub.3).sub.2 Y).sub.4-m ;
(d) R.sup.1.sub.m Si(OY).sub.4-m ;
(e) CH.sub.3 SiY.sub.2 --O--SiY.sub.2 CH.sub.3 ;
(f) Y(CH.sub.3).sub.2 Si--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y;
(g) O[--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y].sub.2 ;
(h) O[Si(CH.sub.3).sub.2 Y].sub.2 ;
(i) Y(CH.sub.3).sub.2 SiCH.sub.2 --CH.sub.2 Si(CH.sub.3).sub.2 Y;
(j) Y.sub.3 SiOSiY.sub.3 ;
(k) Y.sub.3 Si(CH.sub.2).sub.b SiY.sub.3 ;
(l) Y.sub.3 SiC.sub.6 H.sub.4 SiY.sub.3 ;
(m) substituted benzene selected from the group consisting of:
(i) C.sub.6 H.sub.3 (SiZ.sub.3-a Y.sub.a).sub.3 ;
(ii) C.sub.6 H.sub.2 (SiZ.sub.3-a Y.sub.a).sub.4 ;
(iii) C.sub.6 H(SiZ.sub.3-a Y.sub.a).sub.5 ;
and
(iv) C.sub.6 (SiZ.sub.3-a Y.sub.a).sub.6 ;
and
(n) substituted cyclohexane selected from the group consisting of:
(i) 1,2-C.sub.6 H.sub.10 (Y).sub.2 ;
1,3-C.sub.6 H.sub.10 (Y).sub.2 ;
1,4-C.sub.6 H.sub.10 (Y).sub.2 ;
(ii) 1,2,4-C.sub.6 H.sub.9 (Y).sub.3 ;
1,2,3-C.sub.6 H.sub.9 (Y).sub.3 ;
1,3,5-C.sub.6 H.sub.9 (Y).sub.3 ;
(iii) 1,2,3,4-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,4,5-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,3,5-C.sub.6 H.sub.8 (Y).sub.4 ;
(iv) 1,2,3,4,5-C.sub.6 H.sub.7 (Y).sub.5 ;
and
(v) C.sub.6 H.sub.6 (Y).sub.6 ;
wherein:
Z is an alkyl group of 1 to 4 carbon atoms, 3,3,3-trifluoropropyl, aralkyl, or aryl;
Y is (CR.sup.2 R.sup.3).sub.k CR.sup.4 R.sup.5 CR.sup.6 R.sup.7 (CR.sup.8 R.sup.9).sub.h --;
R.sup.1 is alkyl of 1 to about 8 carbon atoms or aryl;
R.sup.2 to R.sup.9 are each independently hydrogen, alkyl of 1 to about 8 carbon atoms or aryl, provided that at least one of R.sup.4 to R.sup.7 is hydrogen;
m is 0, 1 or 2;
k and h are each independently an integer from 0 to 10, provided that at least one of k or h is zero;
a is 1, 2 or 3;
p is an even integer from 4 to 10;
and
b is an integer from 1 to 10.

44 more elements

A process for the preparation of the composition of formula (II)

X(SiO.sub.1.5).sub.n (II)
wherein
n is an integer greater than or equal to 2;
and
X is at least one flexible organic link selected from the group consisting of:
(a) R.sup.1.sub.m SiY.sub.4-m ;
(b) ring structures ##STR30## (c) R.sup.1.sub.m Si(OSi(CH.sub.3).sub.2 Y).sub.4-m ;
(d) R.sup.1.sub.m Si(OY).sub.4-m ;
(e) CH.sub.3 SiY.sub.2 --O--SiY.sub.2 CH.sub.3 ;
(f) Y(CH.sub.3).sub.2 Si--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y;
(g) O[--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y].sub.2 ;
(h) O[Si(CH.sub.3).sub.2 Y].sub.2 ;
(i) Y(CH.sub.3).sub.2 SiCH.sub.2 --CH.sub.2 Si(CH.sub.3).sub.2 Y;
(j) Y(CF.sub.2).sub.p Y, provided that when p is 6, Y is other than ethylene;
(k) Y.sub.3 SiOSiY.sub.3 ;
(l) Y.sub.3 Si(CH.sub.2).sub.b SiY.sub.3 ;
(m) Y.sub.3 SiC.sub.6 H.sub.4 SiY.sub.3 ;
(n) substituted benzene selected from the group consisting of:
(i) C.sub.6 H.sub.3 (SiZ.sub.3-a Y.sub.a).sub.3 ;
(ii) C.sub.6 H.sub.2 (SiZ.sub.3-a Y.sub.a).sub.4 ;
(iii) C.sub.6 H(SiZ.sub.3-a Y.sub.a).sub.5 ;
and
(iv) C.sub.6 (SiZ.sub.3-a Y.sub.a).sub.6 ;
and
(o) substituted cyclohexane selected from the group consisting of:
(i) 1,2-C.sub.6 H.sub.10 (Y).sub.2 ;
1,3-C.sub.6 H.sub.10 (Y).sub.2 ;
1,4-C.sub.6 H.sub.10 (Y).sub.2 ;
(ii) 1,2,4-C.sub.6 H.sub.9 (Y).sub.3 ;
1,2,3-C.sub.6 H.sub.9 (Y).sub.3 ;
1,3,5-C.sub.6 H.sub.9 (Y).sub.3 ;
(iii) 1,2,3,4-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,4,5-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,3,5-C.sub.6 H.sub.8 (Y).sub.4 ;
(iv) 1,2,3,4,5-C.sub.6 H.sub.7 (Y).sub.5 ;
and
(v) C.sub.6 H.sub.6 (Y).sub.6 ;
wherein:
Z is an alkyl group of 1 to 4 carbon atoms, 3,3,3-trifluoropropyl, aralkyl, or aryl;
Y is (CR.sup.2 R.sup.3).sub.k CR.sup.4 R.sup.5 CR.sup.6 R.sup.7 (CR.sup.8 R.sup.9).sub.h --;
R.sup.1 is alkyl of 1 to about 8 carbon atoms or aryl;
R.sup.2 to R.sup.9 are each independently hydrogen, alkyl of 1 to about 8 carbon atoms or aryl, provided that at least one of R.sup.4 to R.sup.7 is hydrogen;
m is 0, 1 or 2;
k and h are each independently an integer from 0 to 10, provided that at least one of k or h is zero;
a is 1, 2 or 3;
p is an even integer from 4 to 10;
and
b is an integer from 1 to 10 comprising:
(A) mixing at least one compound of formula (III):
X(SiQ.sub.3).sub.n (III)
wherein:
Q is alkoxy of 1 to about 8 carbon atoms, acyloxy of 1 to about 8 carbon atoms;
n is an integer greater than or equal to 2;
and
X is at least one flexible organic link selected from the group consisting of:
(a) R.sup.1.sub.m SiY.sub.4-m ;
(b) ring structures ##STR31## (c) R.sup.1.sub.m Si(OSi(CH.sub.3).sub.2 Y).sub.4-m ;
(d) R.sup.1.sub.m Si(OY).sub.4-m ;
(e) CH.sub.3 SiY.sub.2 --O--SiY.sub.2 CH.sub.3 ;
(f) Y(CH.sub.3).sub.2 Si--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y;
(g) O[--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y].sub.2 ;
(h) O[Si(CH.sub.3).sub.2 Y].sub.2 ;
(i) Y(CH.sub.3).sub.2 SiCH.sub.2 --CH.sub.2 Si(CH.sub.3).sub.2 Y;
(j) Y(CF.sub.2).sub.p Y, provided that when p is 6, Y is other than ethylene;
(k) Y.sub.3 SiOSiY.sub.3 ;
(l) Y.sub.3 Si(CH.sub.2).sub.b SiY.sub.3 ;
(m) Y.sub.3 SiC.sub.6 H.sub.4 SiY.sub.3 ;
(n) substituted benzene selected from the group consisting of:
(i) C.sub.6 H.sub.3 (SiZ.sub.3-a Y.sub.a).sub.3 ;
(ii) C.sub.6 H.sub.2 (SiZ.sub.3-a Y.sub.a).sub.4 ;
(iii) C.sub.6 H (SiZ.sub.3-a Y.sub.a).sub.5 ;
and
(iv) C.sub.6 (SiZ.sub.3-a Y.sub.a).sub.6 ;
and
(o) substituted cyclohexane selected from the group consisting of:
(i) 1,2-C.sub.6 H.sub.10 (Y).sub.2 ;
1,3-C.sub.6 H.sub.10 (Y).sub.2 ;
1,4-C.sub.6 H.sub.10 (Y).sub.2
(ii) 1,2,4-C.sub.6 H.sub.9 (Y).sub.3 ;
1,2,3-C.sub.6 H.sub.9 (Y).sub.3 ;
1,3,5-C.sub.6 H.sub.9 (Y).sub.3 ;
(iii) 1,2,3,4-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,4,5-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,3,5-C.sub.6 H.sub.8 (Y).sub.4 ;
(iv) 1,2,3,4,5-C.sub.6 H.sub.7 (Y).sub.5 ;
and
(v) C.sub.6 H.sub.6 (Y).sub.6 ;
wherein:
Z is an alkyl group of 1 to 4 carbon atoms, 3,3,3-trifluoropropyl, aralkyl, or aryl;
Y is (CR.sup.2 R.sup.3).sub.k CR.sup.4 R.sup.5 CR.sup.6 R.sup.7 (CR.sup.8 R.sup.9).sub.h --;
R.sup.1 is alkyl of 1 to about 8 carbon atoms or aryl;
R.sup.2 to R.sup.9 are each independently hydrogen, alkyl of 1 to about 8 carbon atoms or aryl, provided that at least one of R.sup.4 to R.sup.7 is hydrogen;
m is 0, 1 or 2;
k and h are each independently an integer from 0 to 10, provided that at least one of k or h is zero;
a is 1, 2 or 3;
p is an even integer from 4 to 10;
and
b is an integer from 1 to 10,
in the presence of water a solvent and a catalyst, or in the presence of at least one carboxylic acid having a maximum pKa value about 4.0 and containing from 0 to 20 mole % water and an optional solvent;
(B) maintaining the mixture resulting from step (A) at a temperature within the range of about 0.degree.-100.degree. C.;
and
(C) isolating the resulting inorganic/organic composition of formula (II).

99 more elements

A method for modifying a sol-gel glass to generate a sol-gel glass that can tolerate increased drying rates and shows lower brittleness comprising:

(A) combining a star gel precursor of formula (III):
X(SiQ.sub.3).sub.n (III)
wherein:
Q is alkoxy of 1 to about 8 carbon atoms, acyloxy of 1 to about 8 carbon atoms, of halogen;
n is an integer greater than or equal to 2;
and
X is at least one flexible organic link selected from the group consisting
(a) R.sup.1.sub.m SiY.sub.4-m ;
(b) ring structures ##STR32## (c) R.sup.1.sub.m Si(OSi(CH.sub.3).sub.2).sub.4-m, (d) R.sup.1.sub.m Si(OY).sub.4-m ;
(e) CH.sub.3 SiY.sub.2 --O--SiY.sub.2 CH.sub.3 ;
(f) Y(CH.sub.3).sub.2 Si--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y;
(g) O[--C.sub.6 H.sub.4 --Si(CH.sub.5).sub.2 Y].sub.2 ;
(h) O[Si(CH.sub.3).sub.2 Y].sub.2 ;
(i) Y(CH.sub.3).sub.2 SiCH.sub.2 --CH.sub.2 Si(CH.sub.3).sub.2 Y;
(j) Y(CF.sub.2).sub.p Y;
(k) Y.sub.3 SiOSiY.sub.3 ;
(l) Y.sub.3 Si(CH.sub.2).sub.b SiY.sub.3 ;
(m) Y.sub.3 SiC.sub.6 H.sub.4 SiY.sub.3 ;
(n) substituted benzene selected from the group consisting of:
(i) C.sub.6 H.sub.3 (SiZ.sub.3-a Y.sub.a).sub.3 ;
(ii) C.sub.6 H.sub.2 (SiZ.sub.3-a Y.sub.a).sub.4 ;
(iii) C.sub.6 H(SiZ.sub.3-a Y.sub.a).sub.5 ;
and
(iv) C.sub.6 (SiZ.sub.3-a Y.sub.a).sub.6 ;
and
(o) substituted cyclohexane selected from the group consisting of:
(i) 1,2-C.sub.6 H.sub.10 (Y).sub.2 ;
1,3-C.sub.6 H.sub.10 (Y).sub.2 ;
1,4-C.sub.6 H.sub.10 (Y).sub.2
(ii) 1,2,4-C.sub.6 H.sub.9 (Y).sub.3 ;
1,1,3-C.sub.6 H.sub.9 (Y).sub.3 ;
1,3,5-C.sub.6 H.sub.9 (Y).sub.3 ;
(iii).sub.1,2,3,4 -C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,4,5-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,3,5-C.sub.6 H.sub.8 (Y).sub.4 ;
(iv).sub.1,2,3,4,5 -C.sub.6 H.sub.7 (Y).sub.5 ;
and
(v) C.sub.6 H.sub.6 (Y).sub.6 ;
wherein:
Z is an alkyl group of 1 to 4 carbon atoms, 3,3,3-trifluoropropyl, aralkyl, or aryl;
Y is (CR.sup.2 R.sup.3).sub.k CR.sup.4 R.sup.5 CR.sup.6 R.sup.7 (CR.sup.8 R.sup.9).sub.h --;
R.sup.1 is alkyl of 1 to about 8 carbon atoms or aryl;
R.sup.2 to R.sup.9 are each independently hydrogen, alkyl of 1 to about 8 carbon atoms or aryl, provided that at least one of R.sup.4 to R.sup.7 is hydrogen;
m is 0, I or 2;
k and h are each independently an integer from 0 to 10, provided that least one of k or h is zero;
a is 1, 2 or 3;
p is an even integer from 4 to 10;
and
b is an integer from i to 10;
with an inorganic alkoxide sol-gel precursor;
(B) mixing in water with a solvent and a catalyst, or mixing a carboxylic acid having a maximum pk.sub.a value of about 4 optionally in the presence of a solvent;
and
(C) drying.

50 more elements

A method for coating a substrate comprising reacting the star gel precursor of formula (III):

X(SiQ.sub.3).sub.n (III)
wherein:
Q is alkoxy of 1 to about 8 carbon atoms, acyloxy of 1 to about 8 carbon atoms, or halogen;
n is an integer greater than or equal to 2;
and
X is at least one flexible organic link selected from the group consisting of:
(a) R.sup.1.sub.m Si(Y).sub.4-m ;
(b) ring structures ##STR33## (c) R.sup.1.sub.m Si(OSi(CH.sub.3).sub.2 Y).sub.4-m, (d) R.sup.1.sub.m Si(OY).sub.4-m,
(e) CH.sub.3 SiY.sub.2 --O--SiY.sub.2 CH.sub.3 ;
(f) Y(CH.sub.3).sub.2 Si--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y;
(g) O[--C.sub.5 H.sub.4 --Si(CH.sub.3).sub.2 Y].sub.2 ;
(h) O[Si(CH.sub.3).sub.2 Y].sub.2 ;
(i) Y(CH.sub.3).sub.2 SiCH.sub.2 --CH.sub.2 Si(CH.sub.3).sub.2 Y;
(j) Y(CF.sub.2).sub.p Y;
(k) Y.sub.3 SiOSiY.sub.3 ;
(l) Y.sub.3 Si(CH.sub.2).sub.b SiY.sub.3 ;
(m) Y.sub.3 SiC.sub.6 H.sub.4 SiY.sub.3 ;
(n) substituted benzene selected from the group consisting of:
(i) C.sub.6 H.sub.3 (SiZ.sub.3-a Y.sub.a).sub.3 ;
(ii) C.sub.6 H.sub.2 (SiZ.sub.3-a Y.sub.a).sub.4 ;
(iii) C.sub.6 H(SiZ.sub.3-a Y.sub.a).sub.5 ;
and
(iv) C.sub.6 (SiZ.sub.3-a Y.sub.a).sub.6 ;
and
(o) substituted cyclohexane selected from the group consisting of:
(i) 1,2-C.sub.6 H.sub.10 (Y).sub.2 ;
1,3-C.sub.6 H.sub.10 (Y).sub.2 ;
1,4-C.sub.6 H.sub.10 (Y).sub.2
(ii) 1,2,4-C.sub.6 H.sub.9 (Y).sub.3 ;
1,2,3-C.sub.6 H.sub.9 (Y).sub.3 ;
1,3,5-C.sub.6 H9(Y).sub.3 ;
(iii) 1,2,3,4-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,4,5-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,3,5-C.sub.6 H.sub.8 (Y).sub.4 ;
(iv) 1,2,3,4,5-C.sub.6 H.sub.7 (Y).sub.5 ;
and
(v) C.sub.6 H.sub.6 (Y).sub.6 ;
wherein,
Z is an alkyl group of 1 to 4 carbon atoms, 3,3,3-trifluoropropyl, aralkyl or aryl;
Y is (CR.sup.2 R.sup.3).sub.k CR.sup.4 R.sup.5 CR.sup.6 R.sup.7 (CR.sup.8 R.sup.9).sub.h --;
R.sup.1 is alkyl of 1 to about 8 carbon atoms or aryl;
R.sup.2 to R.sup.9 are each independently hydrogen, alkyl of 1 to about 8 carbon atoms or aryl, provided that it least one of R.sup.4 to R.sup.7 is hydrogen;
m is 0, 1 or 2;
X and h are each independently an integer from 0 to 10, provided that at least one of k or h is zero;
and
a is 1, 2 or 3;
p is an even integer from 4 to 10;
and
b is an integer from 1 to 10;
in the presence of water, a solvent and a catalyst, or in the presence of a strong carboxylic acid having a maximum pk.sub.a value of about 4, optionally in the presence of a solvent;
dipping the substrate in the resulting mixture;
removing the coated Substrate from the mixture and drying the coating to generate a substrate coated with a composition of formula II
X(SiO.sub.1.5).sub.n (II)
wherein
n is an integer greater than or equal to 2;
and
X is at least one flexible organic link selected from the group consisting of:
(a) R.sup.1.sub.m SiY.sub.4-m ;
(b) ring structures ##STR34## (c) R.sup.1.sub.m Si(OSi(CH.sub.5).sub.2 Y).sub.4-m, (d) R.sup.1.sub.m Si(OY).sub.4-m,
(e) CH.sub.3 SiY.sub.2 --O--SiY.sub.2 CH.sub.3 ;
(f) Y(CH.sub.3).sub.2 Si--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y;
(g) O[--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y].sub.2 ;
(h) O[Si(CH.sub.5).sub.2 Y].sub.2 ;
(i) Y(CH.sub.3).sub.2 SiCH.sub.2 --CH.sub.2 Si(CH.sub.3).sub.2 Y;
(j) Y(CF.sub.2).sub.p Y, provided that when p is 6, Y is other than ethylene;
(k) Y.sub.3 SiOSiY.sub.3 ;
(l) Y.sub.3 Si(CH.sub.2).sub.b SiY.sub.3 ;
(m) Y.sub.3 SiC.sub.6 H.sub.4 SiY.sub.3 ;
(n) substituted benzene selected from the group consisting of:
(i) C.sub.6 H.sub.3 (SiZ.sub.3-a Y.sub.a).sub.3 ;
(ii) C.sub.6 H.sub.2 (SiZ.sub.3-a Y.sub.a).sub.4 ;
(iii) C.sub.6 H(SiZ.sub.3-a Y.sub.a);
.sub.5 ;
and
(o) substituted cyclohexane selected from the group consisting of:
(i) 1,2-C.sub.6 H.sub.10 (Y).sub.2 ;
1,3-C.sub.6 H.sub.10 (Y).sub.2 ;
1,4-C.sub.6 H.sub.10 (Y).sub.2 ;
(ii) 1,2,4-C.sub.6 H.sub.9 (Y).sub.3 ;
1,2,3-C.sub.6 H.sub.9 (Y).sub.3 ;
1,3,5-C.sub.6 H.sub.9 (Y).sub.3 ;
(iii) 1,2,3,4-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,4,5-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,3,5-C.sub.6 H.sub.8 (Y).sub.4 ;
(iv) 1,2,3,4,5-C.sub.6 H.sub.7 (Y).sub.5 ;
and
(v) C.sub.6 H.sub.6 (Y).sub.6 ;
wherein:
Z is an alkyl group of 1 to 4 carbon atoms, 3,3,3-trifluoropropyl, aralkyl, or aryl;
Y is (CR.sup.2 R.sup.3).sub.k CR.sup.4 R.sup.5 CR.sup.6 R.sup.7 (CR.sup.8 R.sup.9).sub.h --;
R.sup.1 is alkyl of 1 to about 8 carbon atoms or aryl;
R.sup.2 to R.sup.9 are each independently hydrogen, alkyl of 1 to about 8 carbon atoms or aryl, provided that at least one of R.sup.4 to R.sup.7 is hydrogen;
m is 0, 1 or 2;
k and h are each independently an integer from 0 to 10, provided that at least one of k or h is zero;
a is 1, 2 or 3;
p is an even integer from 4 to 10;
and
b is an integer from 1 to 10.

95 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/120,995Filed 13 Sep 1993 · continuation in part
Priority: 16 Sep 1992
Granted: 3 Jan 1995
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

C08G 77/50
In which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms: by carbon linkages
C07F 7/12
Compounds having one or more C—Si linkages: organo silicon halides
C07F 7/1804
Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages: compounds having Si-O-C linkages
C07F 7/21
Silicon compounds: cyclic compounds having at least one ring containing silicon, but no carbon in the ring

Family

Serial945,777Parent of this continuation-in-part · filed 16 Sep 1992
US 5,378,790 AThis patent

From the US filing history. Foreign family members aren’t listed.

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Abstract

An inorganic/organic composition of the idealized empirical formula (II):

X(SiO.sub.1.5).sub.n (II)
wherein
n is an integer greater than or equal to 2;
and
X is at least one flexible organic link selected from the group consisting of:
(a) R.sup.1.sub.m SiY.sub.4-m ;
(b) ring structures ##STR29## (c) R.sup.1.sub.m Si(OSi(CH.sub.3).sub.2 Y).sub.4-m ;
(d) R.sup.1.sub.m Si(OY).sub.4-m ;
(e) CH.sub.3 SiY.sub.2 --O--SiY.sub.2 CH.sub.3 ;
(f) Y(CH.sub.3).sub.2 Si--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y;
(g) O[--C.sub.6 H.sub.4 --Si(CH.sub.3).sub.2 Y].sub.2 ;
(h) O[Si(CH.sub.3).sub.2 Y].sub.2 ;
(i) Y(CH.sub.3).sub.2 SiCH.sub.2 --CH.sub.2 Si(CH.sub.3).sub.2 Y;
(j) Y.sub.3 SiOSiY.sub.3 ;
(k) Y.sub.3 Si(CH.sub.2).sub.b SiY.sub.3 ;
(l) Y.sub.3 SiC.sub.6 H.sub.4 SiY.sub.3 ;
(m) substituted benzene selected from the group consisting of:
(i) C.sub.6 H.sub.3 (SiZ.sub.3-a Y.sub.a).sub.3 ;
(ii) C.sub.6 H.sub.2 (SiZ.sub.3-a Y.sub.a).sub.4 ;
(iii) C.sub.6 H(SiZ.sub.3-a Y.sub.a).sub.5 ;
and
(iv) C.sub.6 (SiZ.sub.3-a Y.sub.a).sub.6 ;
and
(n) substituted cyclohexane selected from the group consisting of:
(i) 1,2-C.sub.6 H.sub.10 (Y).sub.2 ;
1,3-C.sub.6 H.sub.10 (Y).sub.2 ;
1,4-C.sub.6 H.sub.10 (Y).sub.2 ;
(ii) 1,2,4-C.sub.6 H.sub.9 (Y).sub.3 ;
1,2,3-C.sub.6 H.sub.9 (Y).sub.3 ;
1,3,5-C.sub.6 H.sub.9 (Y).sub.3 ;
(iii) 1,2,3,4-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,4,5-C.sub.6 H.sub.8 (Y).sub.4 ;
1,2,3,5-C.sub.6 H.sub.8 (Y).sub.4 ;
(iv) 1,2,3,4,5-C.sub.6 H.sub.7 (Y).sub.5 ;
and
(v) C.sub.6 H.sub.6 (Y).sub.6 ;
wherein:
Z is an alkyl group of 1 to 4 carbon atoms, 3,3,3-trifluoropropyl, aralkyl, or aryl;
Y is (CR.sup.2 R.sup.3).sub.k CR.sup.4 R.sup.5 CR.sup.6 R.sup.7 (CR.sup.8 R.sup.9).sub.h --;
R.sup.1 is alkyl of 1 to about 8 carbon atoms or aryl;
R.sup.2 to R.sup.9 are each independently hydrogen, alkyl of 1 to about 8 carbon atoms or aryl, provided that at least one of R.sup.4 to R.sup.7 is hydrogen;
m is 0, 1 or 2;
k and h are each independently an integer from 0 to 10, provided that at least one of k or h is zero;
a is 1, 2 or 3;
p is an even integer from 4 to 10;
and
b is an integer from 1 to 10.

44 more elements

Facts

Application

08/120,995Filed 13 Sep 1993 · continuation in part

Priority

16 Sep 1992

Granted

3 Jan 1995

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

C08G 77/50
In which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms: by carbon linkages
C07F 7/12
Compounds having one or more C—Si linkages: organo silicon halides
C07F 7/1804
Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages: compounds having Si-O-C linkages
C07F 7/21
Silicon compounds: cyclic compounds having at least one ring containing silicon, but no carbon in the ring