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    PREPARATION FOR PRODUCING REFRACTORY MATERIALS
    31.
    发明专利
    PREPARATION FOR PRODUCING REFRACTORY MATERIALS 未知

    公开(公告)号：CA2667403C

    公开(公告)日：2013-08-06

    申请号：CA2667403

    申请日：2007-09-19

    Applicant: EVONIK DEGUSSA GMBH

    Inventor： VON RYMON LIPINSKI TADEUSZ ,  TONTRUP CHRISTOPH ,  LORTZ WOLFGANG ,  BATZ-SOHN CHRISTOPH

    IPC: C04B35/04 ,  C04B35/10 ,  C04B35/443 ,  C04B35/66

    Abstract: Preparation for producing refractory materials, characterized in that it comprises one or more particulate, refractory components and one or more binders, where - the particulate, refractory component has a mean particle diameter of > 0.3 m and - the binder is selected from among - from 0.05 to 50% by weight of a very finely particulate binder having a mean particle diameter of from 10 nm to 0.3 m selected from the group consisting of aluminium oxide, titanium dioxide, zirconium dioxide and/or mixed oxides of the abovementioned oxides, - from 0 to 20% by weight of an inorganic binder, from 0 to 20% by weight of a hydraulically setting binder, - from 0 to 15% by weight of an organic, silicon-free binder - and the preparation additionally contains from 0 to 35% by weight of water, where - the proportion of the particulate, refractory component is equal to 100 and the percentages of the further materials in the preparation are based on the particulate component.

    32.
    发明专利
    未知

    公开(公告)号：AT485947T

    公开(公告)日：2010-11-15

    申请号：AT03779967

    申请日：2003-11-18

    Applicant: EVONIK DEGUSSA GMBH

    Inventor： BATZ-SOHN CHRISTOPH ,  SCHARFE THOMAS ,  LORTZ WOLFGANG

    IPC: B41M5/00 ,  B41M5/52 ,  C09C1/30 ,  C09D17/00

    Abstract: Stable, aqueous dispersion containing powders A and B,-wherein powder A is an amorphous silicon dioxide powder having an average particle diameter of 0.05 to 0.7 mum and a BET surface aa of 5 to 50 m 2 /g, and-wherein powder B is a metal oxide or non-metal oxide powder consisting of aggregates of intergrown primary particles and displays a primary particle size of 5 to 50 nm and a BET surface area of 50 to 400 m 2 /g. Coating slip to form an ink-absorptive coating using the dispersion and at least one hydrophilic binder. Absorptive medium using the coating slip and a support.

    34.
    发明专利
    未知

    公开(公告)号：DE502006006276D1

    公开(公告)日：2010-04-08

    申请号：DE502006006276

    申请日：2006-10-12

    Applicant: EVONIK DEGUSSA GMBH

    Inventor： HAEGER HARALD ,  BAUMANN FRANZ-ERICH ,  LORTZ WOLFGANG ,  BATZ-SOHN CHRISTOPH

    IPC: C08J3/12 ,  C09D177/00

    Abstract: Process for preparing ultrafine powders based on polyamides by contacting polyamides having a relative solution viscosity &eegr;rel in the range from 1.5 to 2.0, measured in 0.5% m-cresol solution at 25° C., with an alcoholic medium in the presence of inorganic particles suspended therein under the action of pressure and/or temperature to generate an at least partial solution, and then precipitating the polyamide from the at least partial solution; the resulting ultrafine polyamide powders have a specific BET surface area of 5-100 m2/g; a fineness d50 of less than 70 μm; an apparent density AD from 250 to 1000 g/l; and a particle content of 0.1 to 80% by weight of inorganic particles based on the total weight of the polyamide powder; which powders are equally suitable for coatings and for mouldings and components with improved mechanical properties.

    PREPARATION FOR PRODUCING REFRACTORY MATERIALS
    36.
    发明专利
    PREPARATION FOR PRODUCING REFRACTORY MATERIALS 未知

    公开(公告)号：CA2667403A1

    公开(公告)日：2008-05-08

    申请号：CA2667403

    申请日：2007-09-19

    Applicant: EVONIK DEGUSSA GMBH

    Inventor： VON RYMON LIPINSKI TADEUSZ ,  TONTRUP CHRISTOPH ,  BATZ-SOHN CHRISTOPH ,  LORTZ WOLFGANG

    IPC: C04B35/04 ,  C04B35/10 ,  C04B35/443 ,  C04B35/66

    Abstract: Preparation for producing refractory materials, characterized in that it comprises one or more particulate, refractory components and one or more bin ders, where - the particulate, refractory component has a mean particle diam eter of > 0.3 m and - the binder is selected from among - from 0.05 to 50 % by weight of a very finely particulate binder having a mean particle diame ter of from 10 nm to 0.3 m selected from the group consisting of aluminium o xide, titanium dioxide, zirconium dioxide and/or mixed oxides of the aboveme ntioned oxides, - from 0 to 20% by weight of an inorganic binder, from 0 to 20% by weight of a hydraulically setting binder, - from 0 to 15% by weight o f an organic, silicon-free binder - and the preparation additionally contain s from 0 to 35% by weight of water, where - the proportion of the particulat e, refractory component is equal to 100 and the percentages of the further m aterials in the preparation are based on the particulate component.

    40.
    发明专利
    未知

    公开(公告)号：DE102004037118A1

    公开(公告)日：2006-03-23

    申请号：DE102004037118

    申请日：2004-07-30

    Applicant: DEGUSSA

    Inventor： PERLET GABRIELE ,  LORTZ WOLFGANG ,  BATZ-SOHN CHRISTOPH ,  WILL WERNER ,  REITZ SASCHA

    IPC: B01J13/00 ,  B01F3/12 ,  C09D5/02 ,  C09D5/32

    Abstract: An aqueous dispersion that can be used in the coating of glass, ceramics and metal surfaces is prepared by placing, in water, an aggregated titanium dioxide powder having a specific surface area of from 20 to 150 m2/g in such an amount that the desired dispersion contains at least 20 wt. % titanium dioxide, and at least one amino alcohol having from 1 to 6 carbon atoms, and at least one carboxylic acid selected from dibasic carboxylic acids and/or hydroxycarboxylic acids having from 2 to 6 carbon atoms. A pre-dispersion is produced by introducing energy in an amount of less than 200 kJ/m3. Then a dispersion is produced in which the aggregated titanium dioxide powder has a mean, volume-related aggregate diameter of less than 150 nm by grinding the pre-dispersion with a high-energy mill at a pressure of at least 500 bar.

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