公开(公告)号：CS8706197A2

公开(公告)日：1990-11-14

申请号：CS619787

申请日：1987-08-24

Applicant: DEGUSSA

Inventor： DESCHLER ULRICH DR ,  HELLWIG GEORG DR ,  MICHEL RUDOLF ,  KLEINSCHMIT PETER DR ,  WOLFF SIEGFRIED

IPC: C07D251/52 ,  C08K5/34 ,  C08K5/378 ,  C08L21/00

CPC classification number: C07D251/52 ,  C08K5/378 ,  C08L21/00

公开(公告)号：CS619787A2

公开(公告)日：1990-11-14

申请号：CS619787

申请日：1987-08-24

Applicant: DEGUSSA

Inventor： DESCHLER ULRICH DR ,  HELLWIG GEORG DR ,  MICHEL RUDOLF ,  KLEINSCHMIT PETER DR ,  WOLFF SIEGFRIED

IPC: C07D251/52 ,  C08K5/34 ,  C08K5/37 ,  C08K5/378 ,  C08L21/00

Abstract: Mixtures of sulfurous triazine compounds and methods of preparing these compounds with the general formula I in which R1, R2=H,R2=benzyl, R2, R3, R4=C1-C8-alkyl, allyl, C3-C8 cycloalkyl, the latter unsubstituted or substituted with 1-3 methyl groups, 2-hydroxyethyl, 3-hydroxypropyl, 2-hydroxypropyl or R3 and R4 (together): C4-C6-alkylene, -(CH2-CHX)2 Y with X=H, CH3, Y=O,S, Sa: Polysulfide chain with 2-10 S atoms (i.e. 2 I in which R1, R2, R3, R4 have the meanings indicated above is reacted with an ammonium polysulfide or alkali polysulfide and dissolved in a protic polar solvent, especially water, at a temperature of 80 DEG to 140 DEG C.

公开(公告)号：AU597713B2

公开(公告)日：1990-06-07

申请号：AU7790987

申请日：1987-09-03

Applicant: DEGUSSA

Inventor： DESCHLER ULRICH DR ,  HELLWIG GEORG DR ,  MICHEL RUDOLF ,  KLEINSCHMIT PETER DR ,  WOLFF SIEGFRIED

IPC: C07D251/52 ,  C08K5/34 ,  C08K5/37 ,  C08K5/378 ,  C08L21/00

Abstract: Mixtures of sulfurous triazine compounds and methods of preparing these compounds with the general formula I in which R1, R2=H,R2=benzyl, R2, R3, R4=C1-C8-alkyl, allyl, C3-C8 cycloalkyl, the latter unsubstituted or substituted with 1-3 methyl groups, 2-hydroxyethyl, 3-hydroxypropyl, 2-hydroxypropyl or R3 and R4 (together): C4-C6-alkylene, -(CH2-CHX)2 Y with X=H, CH3, Y=O,S, Sa: Polysulfide chain with 2-10 S atoms (i.e. 2 I in which R1, R2, R3, R4 have the meanings indicated above is reacted with an ammonium polysulfide or alkali polysulfide and dissolved in a protic polar solvent, especially water, at a temperature of 80 DEG to 140 DEG C.

公开(公告)号：DE3837416A1

公开(公告)日：1990-05-10

申请号：DE3837416

申请日：1988-11-04

Applicant: DEGUSSA

Inventor： PANSTER PETER DR ,  GRETHE HORST ,  KLEINSCHMIT PETER DR

IPC: B01J20/26 ,  B01J20/22 ,  C08G77/26 ,  C08G77/42 ,  C08G77/44 ,  C08G77/48 ,  C08G77/50 ,  C08G77/54 ,  C08G77/58

公开(公告)号：DE3913260A1

公开(公告)日：1989-11-23

申请号：DE3913260

申请日：1989-04-22

Applicant: DEGUSSA

Inventor： PAULI INGO DR ,  KLEINSCHMIT PETER DR ,  SCHWARZ RUDOLF DR

IPC: C01B33/12 ,  C01B33/18

公开(公告)号：DE3737064A1

公开(公告)日：1989-05-11

申请号：DE3737064

申请日：1987-10-31

Applicant: DEGUSSA

Inventor： KRIECHBAUM GANGOLF DR ,  KLEINSCHMIT PETER DR ,  PEUCKERT DORIS DR

IPC: C04B35/48 ,  C01G25/00 ,  C01G25/02 ,  C04B35/486

Abstract: A crystalline zirconium oxide powder having a BET surface area of /g, preferably 10 to 20 m /g, and a primary particle size of 0.1 to 0.5 mu m and a monoclinic crystal structure and, if desired, a Y2O3 content of 1 to 10% by weight and/or an MgO content of 1 to 10% by weight is prepared by adding an aqueous zirconium salt solution containing, if desired, yttrium ions and/or magnesium ions with stirring into a previously introduced aqueous base solution, such as, for example, sodium hydroxide solution, having an NaOH content corresponding to an excess of at least 0.5 mol / 1 NaOH, and subjecting the reaction mixture thus obtained to a hydrothermal treatment at a temperature of 200 to 400 DEG C, filtering off the product obtained, washing it free of chloride with water and drying it at 100 to 120 DEG C. … The zirconium oxide powder can be used for the production of sintered ceramics.

公开(公告)号：DE3565835D1

公开(公告)日：1988-12-01

申请号：DE3565835

申请日：1985-06-11

Applicant: DEGUSSA

Inventor： DESCHLER ULRICH DR ,  PANSTER PETER DR ,  KLEINSCHMIT PETER DR ,  WOLFF SIEGFRIED ,  TAN EWE-HONG

IPC: C08L21/00 ,  C07F7/18 ,  C08K5/00 ,  C08K5/54 ,  C08K5/5419 ,  C08K5/5425 ,  C08K9/06 ,  C08L1/00 ,  C08L7/00 ,  C08L23/00 ,  C08L23/16 ,  C08L23/28 ,  C08L27/00 ,  C08L33/00 ,  C08L33/02 ,  C08L101/00

公开(公告)号：DE3524215A1

公开(公告)日：1987-01-08

申请号：DE3524215

申请日：1985-07-06

Applicant: DEGUSSA

Inventor： DESCHLER ULRICH DR ,  KLEINSCHMIT PETER DR ,  MICHEL RUDOLF

IPC: C08G18/00 ,  C07F7/18 ,  C08G18/80

Abstract: The invention is directed to N-silylpropyl-N'-acyl ureas and their production from an alkali cyanate, a 3-halopropylsilane and in a given case, a cyclic acidamide. By heating the compounds of the invention the blocked isocyanate function can be set free.

公开(公告)号：DE3268847D1

公开(公告)日：1986-03-13

申请号：DE3268847

申请日：1982-09-28

Applicant: DEGUSSA

Inventor： SCHMIDT SABINE ,  KLEINSCHMIT PETER DR ,  SCHWARZ RUDOLF DR

IPC: C04B30/02 ,  C04B32/02 ,  C04B41/65 ,  C04B41/70

Abstract: There is prepared an aqueous suspension which in addition to water, consists of 2 to 50 weight % of a mixture of bentonite and inorganic fibers, with the portion of inorganic fiber being 1 to 30 weight % and the portion of bentonite being 1 to 30 weight % and wherein the total amount of solids does not exceed 50 weight %. With the suspension there is attained an improvement of the mechanical properties of thermal insulating molded objects which are employed for thermal insulation and which for example, contain pyrogenically produced silica as a filler by delivery of this suspension on the thermal insulating plate. The suspension can also be delivered on thermal insulating molded bodies on which there is pressed a fiber net or a fiber felt. After applying the suspension several thermal insulating molded bodies can be joined together where the coating formed consisting of bentonite and inorganic fibers acts as binder. The heat insulating molded article in addition to this layer, can have one or more additional coatings based on organic or inorganic lacquer systems, silicone compositions or low melting glazes.

公开(公告)号：DE3267987D1

公开(公告)日：1986-01-30

申请号：DE3267987

申请日：1982-04-20

Applicant: DEGUSSA

Inventor： PANSTER PETER DR ,  KLEINSCHMIT PETER DR ,  BUDER WOLFGANG DR

IPC: B01J41/12 ,  B01J20/26 ,  B01J31/00 ,  C07F7/18 ,  C08G77/00 ,  C08G77/04 ,  C08G77/26 ,  C08G77/28 ,  C08G77/48 ,  C08G77/54 ,  C08G77/58 ,  C08G77/62 ,  C09K23/54

Abstract: Polymeric tertiary and secondary amines as described with a silica-type backbone, comprising units of the formula: (1) in which R1 and R2 represent a group (2) R4 is alkylene and the free valencies of the oxygen atoms are saturated by silicon atoms of further groups (2), if appropriate with incorporation of crosslinking agents, R3 has the same meaning as R1 and R2, or it represents hydrogen, alkyl, cycloalkyl or benzyl. Also disclosed are processes for preparing the polymeric tertiary and secondary amines and the use of these materials for removing acids from liquids and gases.