Claims
- 1. A member of the group consisting of catalysts, catalytic carriers, photocatalysts, automobile paints, cosmetic articles and silicone rubbers comprising a flame-hydrolytically produced titanium dioxide mixed oxide having a BET surface of 10 to 150 m.sup.2 /g which contains 1-30% by weight of a member of the group consisting of aluminum oxide and silicon dioxide as a component of the mixed oxide, and a balance of the titanium dioxide and unavoidable impurities.
- 2. A silicone rubber comprising a flame-hydrolytically produced titanium dioxide mixed oxide as a heat stabilizer, having a BET surface of 10 to 150 m.sup.2 /g which contains 1 to 30% by weight of a member of the group consisting of aluminum oxide and silicon dioxide as a component of the mixed oxide, and a balance of the titanium dioxide and unavoidable impurities.
- 3. The flame-hydrolytically produced titanium dioxide mixed oxide of claim 1, having a primary unagglomerated particle size of 5-100 nm.
- 4. The flame-hydrolytically produced titanium dioxide mixed oxide of claim 1, having a stamping density of 50-400 g/l.
- 5. The flame-hydrolytically produced titanium dioxide mixed oxide of claim 1, having an annealing loss over two hours at 1,000.degree. C. of 0.5-5% by weight.
- 6. The flame-hydrolytically produced titanium dioxide mixed oxide of claim 1, wherein the chloride content is less than 1% by weight.
- 7. The flame-hydrolytically produced titanium dioxide mixed oxide of claim 1, wherein the rutile content is 20-90%.
Priority Claims (1)
Number |
Date |
Country |
Kind |
42 35 996.1 |
Oct 1992 |
DEX |
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Parent Case Info
This is a division of application Ser. No. 08/139,708, filed Oct. 22, 1993 now U.S. Pat. No. 5,451,390.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4916107 |
Brand et al. |
Apr 1990 |
|
5061473 |
De Cleyn et al. |
Oct 1991 |
|
5451390 |
Hartmann et al. |
Sep 1995 |
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1467351 |
Sep 1969 |
DEX |
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DEX |
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Divisions (1)
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Number |
Date |
Country |
Parent |
139708 |
Oct 1993 |
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