US2008139721A1PendingUtilityA1
Surface-modified, doped, pyrogenically produced oxides
Est. expiryFeb 28, 2021(expired)· nominal 20-yr term from priority
C01P 2006/19C01P 2006/12C09C 1/3684Y10T428/2991C09C 3/12Y10T428/2995C09C 1/3653C09C 1/3081C01P 2006/10
58
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Claims
Abstract
Surface-modified, doped, pyrogenically produced oxides surface-modified with one or several compounds from the following groups: a) Organosilanes of the type (RO) 3 Si(C n H 2n+1 ), (RO) 3 Si(C n H 2n−1 ) b) R′ x (RO) y Si(C n H 2n+1 ), (RO) 3 Si(C n H 2n+1 ) c) X 3 Si(C n H 2n+1 ), X 3 Si(C n H 2n−1 ) d) X 2 (R′)Si(C n H 2n+1 ), X 2 (R′)Si(C n H 2n−1 ) e) X(R′) 2 Si(C n H 2n+1 ), X(R′) 2 Si(C n H 2n−1 ) f) (RO) 3 Si(CH 2 ) m —R′, g) (R″) x (RO) y Si(CH 2 ) m —R′, h) X 3 Si(CH 2 ) m —R′, i) (R)X 2 Si(CH 2 ) m —R′, j) (R) 2 XSi(CH 2 ) m —R′, k) Silazanes of the type l) Cyclic polysiloxanes, m) Polysiloxanes or silicone oils.
Claims
exact text as granted — not AI-modified1 . Surface-modified, pyrogenically produced oxides doped by aerosol.
2 . Surface-modified, pyrogenically produced oxides doped by aerosol, characterized in that the oxides are oxides from the group SiO 2 , Al 2 O 3 , TiO 2 , B 2 O 3 , ZrO 2 , In 2 O 3 , ZnO, Fe 2 O 3 , Nb 2 O 5 , V 2 O 5 , WO 3 , SnO 2 , GeO 2 .
3 . Surface-modified, pyrogenically produced oxides doped by aerosol in accordance with claim 1 or 2 , characterized in that they are surface-modified with one or several compounds from the following groups:
a) Organosilanes of the type (RO) 3 Si(C n H 2n+1 ) and (RO) 3 Si(C n H 2n−1 )
R alkyl
n=1-20
b) Organosilanes of the type R′ x (RO) y Si(C n H 2n+1 ) and (RO) 3 Si(C n H 2n+1 )
R=alkyl
R′=alkyl
R′=cycloalkyl
N=1-20
x+y=3
x=1, 2
y=1, 2
c) Halogen organosilanes of the type X 3 Si(C n H 2n+1 ) and X 3 Si(C n H 2n−1 )
X═Cl, Br
n=1-20
d) Halogen organosilanes of the type X 2 (R′)Si(C n H 2n+1 ) and
X 2 (R′)Si(C n H 2n−1 )
X═Cl, Br
R′=alkyl
R′=cycloalkyl
n=1-20
e) Halogen organosilanes of the type X(R′) 2 Si(C n H 2n+1 ) and
X(R′) 2 Si(C n H 2n−1 )
X═Cl, Br
R′=alkyl
R′=cycloalkyl
n=1-20
f) Organosilanes of the type (RO) 3 Si(CH 2 ) m —R′
R=alkyl
m=0.1-20
R=methyl-, aryl (e.g., —C 6 H 5 , substituted phenyl groups)
—C 4 F 9 , OCF 2 —CHF—CF 3 , —C 6 F 13 , —O—CF 2 —CHF 2
—NH 2 , ═N 3 , —SCN, —CH═CH 2 , —NH—CH 2 —CH 2 —NH 2 ,
—N—(CH 2 —CH 2 —CH 2 NH 2 ) 2
—OOC(CH 3 )c=CH 2
—OCH 2 —CH(O)CH 2
—NH—CO—N—CO— (CH 2 ) 5
—NH—COO—CH 3 , —NH—COO—CH 2 —CH 3 , —NH—(CH 2 ) 3 Si(or) 3
—S x —(CH 2 ) 3 Si(OR) 3
—SH
—NR′R″R′″(R′=alkyl, aryl; R″═H, alkyl, aryl; R′″═H,
alkyl, aryl, benzyl, C 2 H 4 NR″″R′″″ with R″″=A, alkyl and
R′″″═H, alkyl
g) Organosilanes of the type (R″) x (RO) y Si(CH 2 ) m —R′
R
″
=
alkyl
=
cycloalkyl
x
+
y
=
2
x
=
1
,
2
y
=
1
,
2
m
=
0.1
to
20
R′=methyl-, aryl (e.g., —C 6 H 5 , substituted phenyl groups)
—C 4 F 9 , —OCF 2 —CHF—CF 3 , —C 6 F 13 , —O—CF 2 —CHF 2
—NH 2 , —N 3 , SCN, —CH═CH 2 , —NH—CH 2 —CH 2 —NH 2 ,
—N—(CH 2 —CH 2 —NH 2 ) 2
—OOC(CH 3 )C═CH 2
—OCH 2 —CH(O)CH 2
—NH—CO—N—CO—(CH 2 ) 5
—NH—COO—CH 3 , —NH—COO—CH 2 —CH 3 , —NH—(CH 2 ) 3 Si(OR) 3
—S x —(CH 2 ) 3 Si(OR) 3
—SH
—NR′R″R′″(R′=alkyl, aryl; R″═H,
alkyl, aryl; R′″═H, alkyl, aryl, benzyl,
C 2 H 4 NR″″R′″″ with R″″=A, alkyl and
R′″″═H, alkyl)
h) Halogen organosilanes of the type X 3 Si(CH 2 ) m —R′
X═Cl, Br
m=0, 1-20
R′=methyl-, aryl (e.g., —C 6 H 5 , substituted phenyl groups)
—C 4 F 9 , —OCF 2 —CHF—CF 3 , —C 6 F 13 , —O—CF 2 —CHF 2
—NH 2 , —N 3 , SCN, —CH═CH 2 , —NH—CH 2 —CH 2 —NH 2 ,
—N—(CH 2 —CH 2 —NH 2 ) 2
—OOC(CH 3 )C═CH 2
—OCH 2 —CH(O)CH 2
—NH—CO—N—CO—(CH 2 ) 5
—NH—COO—CH 3 , —NH—COO—CH 2 —CH 3 , —NH—(CH 2 ) 3 Si(OR) 3
—S x —(CH 2 ) 3 Si(OR) 3
—SH
i) Halogen organosilanes of the type (R)X 2 Si(CH 2 ) m —R′
X═Cl, Br
R=alkyl such as methyl, -ethyl-, propyl-
m=0, 1-20
R=methyl-, aryl (e.g., —C 6 H 5 , substituted phenyl groups)
—C 4 F 9 , —OCF 2 —CHF—CF 3 , —C 6 F 13 , —O—CF 2 —CHF 2
—NH 2 , —N 3 , SCN, —CH═CH 2 , —NH—CH 2 —CH 2 —NH 2 ,
—N—(CH 2 —CH 2 —NH 2 ) 2
—OOC(CH 3 )C═CH 2
—OCH 2 —CH(O)CH 2
—NH—CO—N—CO—(CH 2 ) 5
—NH—COO—CH 3 , —NH—COO—CH 2 —CH 3 , —NH—
(CH 2 ) 3 Si(OR) 3
—S x —(CH 2 ) 3 Si(OR) 3
—SH
(j) Halogen organosilanes of the type (R) 2 XSi(CH 2 ) m —R′
X═Cl, Br
R=alkyl
m=0, 1-20
R′=methyl-, aryl (e.g., —C 6 H 5 , substituted phenyl groups)
—C 4 F 9 , —OCF 2 —CHF—CF 3 , —C 6 F 13 , —O—CF 2 —CHF 2
—NH 2 , —N 3 , SCN, —CH═CH 2 , —NH—CH 2 —CH 2 —NH 2 ,
—N—(CH 2 —CH 2 —NH 2 ) 2
—OOC(CH 3 )C═CH 2
—OCH 2 —CH(O)CH 2
—NH—CO—N—CO—(CH 2 ) 5
—NH—COO—CH 3 , —NH—COO—CH 2 —CH 3 , —NH—(CH 2 ) 3 Si(OR) 3
—S x —(CH 2 ) 3 Si(OR) 3
—SH
(k) Silazanes of the type
R=alkyl
R′=alkyl, vinyl
(l) Cyclic polysiloxanes of the type D 3, D 4, D 5, e.g. octamethylcyclotetrasiloxane=D4
m) Polysiloxanes or silicone oils of the type
R=alkyl, aryl, (CH 2 ) n —NH 2 , H
R′=alkyl, aryl, (CH 2 ) n —NH 2 , H
R″=alkyl, aryl, (CH 2 ) n —NH 2 , H
R′″=alkyl, aryl, (CH 2 ) n —NH 2 , H
4 . A method of producing the surface-modified oxides in accordance with claim 1 or 2 , characterized in that pyrogenically produced oxides doped by aerosol are placed in a suitable mixing container, the oxides are sprayed under intensive mixing, optionally with water and/or acid at first and subsequently with a surface-modification reagent or a mixture of several surface-modification reagents, optionally re-mixed 15 to 30 minutes and tempered at a temperature of 100 to 400° C. for a period of 1 to 6 hours.
5 . The use of the surface-modified oxides as reinforcing filler.Join the waitlist — get patent alerts
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