-
公开(公告)号：AU4363499A
公开(公告)日：1999-12-06
申请号：AU4363499
申请日：1999-05-19
Applicant: BASF AG
Inventor： ZHAO CHENG-LE , DITTRICH UWE , ROSER JOACHIM , PAKUSCH JOACHIM , ROCKEL HARALD
IPC: C08L57/00 , C08L33/06 , C09D5/00 , C09D5/02 , C09D133/06 , C09D157/00 , C09D201/00
Abstract: The present invention relates to aqueous formulations comprising:i. at least one hydrophilic particulate polymer P1, as an aqueous dispersion, composed essentially of monoethylenically unsaturated monomers having a water-solubility in the range from 10 to 100 g/l (at 25° C. and 1 bar), andii. at least one hydrophobic particulate polymer P2, as an aqueous dispersion, composed essentially of ethylenically unsaturated monomers having a water-solubility below 10 g/l (at 25° C. and 1 bar), the glass transition temperature Tg1 of the polymer P1 being less than 10 K different from the glass transition temperature Tg2 of the polymer P2.
-
公开(公告)号：DE19822790A1
公开(公告)日：1999-11-25
申请号：DE19822790
申请日：1998-05-20
Applicant: BASF AG
Inventor： ZHAO CHENG-LI , DITTRICH UWE , ROSER JOACHIM , PAKUSCH JOACHIM , ROECKEL HARALD
IPC: C08L57/00 , C08L33/06 , C09D5/00 , C09D5/02 , C09D133/06 , C09D157/00 , C09D201/00 , C08J3/03 , C08L33/08 , C08L33/10 , C08L31/04 , C08L33/20 , C08L33/24 , C08L25/08 , C08L27/06 , C08L23/02 , C08L9/00 , C08L35/06 , C08L27/08
Abstract: Aqueous polymer preparations containing dispersions of (i) a hydrophilic polymer (P1) based essentially on ethylenic monomers with a water solubility of 10-100 g/l and (ii) a hydrophobic polymer (P2) based on monomers with a water solubility of less than 10 g/l, in which the glass transition temperatures of P1 and P2 differ by less than 10 K. Aqueous preparations containing (i) hydrophilic polymer particles (P1) in the form of an aqueous dispersion based on ethylenic monomers (M) comprising 20-100 wt% unsaturated monomer(s) (M1) with a water solubility (at 25 deg C/1 bar) of 10-100 g/l, 0-80 wt% unsaturated monomer(s) (M2) with a water solubility of less than 10 g/l and 0-20 wt% other monomer(s) (M3) and (ii) hydrophobic polymer particles (P2) as an aqueous dispersion based on unsaturated monomers (M') comprising 0-20 wt% monomer(s) (M1') with a water solubility of 10-100 g/l, 80-100 wt% monomer(s) (M2') with a water solubility of less than 10 g/l and 0-20 wt% other monomer(s) (M3'), in which the glass transition temperature (Tg1) of polymer (P1) differs from that of (P2) (Tg2) by less than 10 K.
-
公开(公告)号：PL324983A1
公开(公告)日：1998-08-31
申请号：PL32498398
申请日：1998-02-24
Applicant: BASF AG
Inventor： PAKUSCH JOACHIM , ANGEL MAXIMILIAN , CLAASSEN PETER , DRAGON ANDREE
Abstract: The use of copolymers (I) or their salts as drying aids for aqueous dispersions of polymers (II) is claimed. (I) comprise (A) 20-95 mole % 3-6C ethylenically unsaturated carboxylic acid(s), (B) 5-80 mole % hydroxyalkyl ester(s) of 3-6C ethylenically unsaturated carboxylic acid(s) and (C) ≤ 10 mole % other monomers. Also claimed are (i) a method of producing polymer powder by drying aqueous (II) dispersions in the presence of (I); (ii) the polymer powder obtained in this way; (iii) dry mineral building material formulations containing this powder; and (iv) aqueous polymer dispersions obtained by free radical aqueous emulsion polymerisation in the presence of (I).
-
公开(公告)号：NO300140B1
公开(公告)日：1997-04-14
申请号：NO930703
申请日：1993-02-26
Applicant: BASF AG
-
公开(公告)号：BRPI0514677A
公开(公告)日：2008-06-17
申请号：BRPI0514677
申请日：2005-09-02
Applicant: BASF AG
Inventor： BECKER STEFAN , PASTRE JORG , PAKUSCH JOACHIM , GOTZ THOMAS , BUREK ARNOLD , HANSCH WOLFGANG , SPILGER STEFANIE
IPC: C08F290/06 , C07C69/54
Abstract: A process for preparing poly-C2-C4-alkylene glycol mono(meth)acrylic acid esters by reacting (meth)acrylic anhydride with a poly-C2-C4-alkylene glycol carrying at least one OH group in the presence of abase having a solubility in the poly-C2-C4-alkylene glycol of not more than 10 g/l at 90° C.
-
Patent Agency Ranking76.发明专利
公开(公告)号：ES2290894T3
公开(公告)日：2008-02-16
申请号：ES05715388
申请日：2005-02-18
Applicant: BASF AG
Inventor： PIETSCH INES , PAKUSCH JOACHIM , REESE OLIVER , SACK HEINRICH
IPC: C08J3/12
Abstract: Procedimiento para la obtención de un polvo polímero convenientemente redispersable en agua mediante secado por pulverizado de una dispersión acuosa de polímero, caracterizado porque el secado por pulverizado de la dispersión acuosa de polímero se efectúa en presencia de un agente auxiliar de pulverizado A, que se obtuvo mediante reacción de una dihidroxidifenilsulfona con 0, 5 a 5 moles de un aldehído alifático con 1 a 6 átomos de carbono, y 0, 4 a 2 moles de sulfito sódico por mol de dihidroxidifenilsulfona a una temperatura de 90 a 180ºC.
-
公开(公告)号：AT370981T
公开(公告)日：2007-09-15
申请号：AT05715388
申请日：2005-02-18
Applicant: BASF AG
Inventor： PIETSCH INES , PAKUSCH JOACHIM , REESE OLIVER , SACK HEINRICH
IPC: C08J3/12
Abstract: A process for the preparation of a readily water-redispersible polymer powder by spray drying of an aqueous polymer dispersion in the presence of a novel spray drying assistant.
-
公开(公告)号：DE102005057896A1
公开(公告)日：2007-06-14
申请号：DE102005057896
申请日：2005-12-02
Applicant: BASF AG
Inventor： PAKUSCH JOACHIM , BECKER STEFAN , GOETZ THOMAS , DYLLICK-BRENZINGER RAINER , GULDEN ROLF
IPC: C04B24/32
Abstract: The present invention relates to the use of comb polymers which have a carbon backbone which bears polyether groups of the formula A *—U—(C(O))k—X-(Alk-O)n—W A wherein * indicates the binding site to the carbon backbone of the comb polymer, U stands for a chemical bond or an alkylene group with 1 to 8 C atoms, X means oxygen or a NR group, k is 0 or 1, n stands for a whole number, the mean value whereof, based on the comb polymer, lies in the range from 5 to 300, Alk stands for C2-C4 alkylene, where Alk within the group (Alk-O)n can be the same or different, W means a hydrogen, a C1-C6 alkyl residue or an aryl residue or means the group Y—Z, Y stands for a linear or branched alkylene group with 2 to 8 C atoms, which may bear a phenyl ring, Z stands for a 5- to 10-membered nitrogen heterocycle bound via nitrogen, which can have as ring members, as well as the nitrogen atom and as well as carbon atoms, 1, 2 or 3 additional hetero atoms, selected from oxygen, nitrogen and sulfur, wherein the nitrogen ring members can contain a group R′, and wherein 1 or 2 carbon ring members can be present as carbonyl groups, R stands for hydrogen, C1-C4 alkyl or benzyl, and R′ stands for hydrogen, C1-C4 alkyl or benzyl; and functional groups B, which are present in the form of anionic groups at pH>12, and salts thereof as grinding aids in cement-containing preparations.
-
公开(公告)号：DE102005053019A1
公开(公告)日：2007-05-10
申请号：DE102005053019
申请日：2005-11-07
Applicant: BASF AG
Inventor： BECKER STEFAN , KLUMPE MARKUS , PAKUSCH JOACHIM , GOETZ THOMAS , KNOLL CHRISTIAN , GULDEN ROLF
IPC: C08G65/332 , C04B24/24 , C08F20/34
Abstract: The present invention relates to novel comb polymers which bear poly-C2-C4-alkylene ether side chains A and functional groups B which at a pH of >12 are present in the form of anionic groups on a carbon backbone and also the salts of such comb polymers. The invention also relates to the use of these comb polymers as additives in preparations comprising a mineral binder. The polyalkylene ether side chains A have the following formula: *—U—(C(O))k—X-(Alk-O)n—Y—Z A.
-
公开(公告)号：ES2268656T3
公开(公告)日：2007-03-16
申请号：ES04731922
申请日：2004-05-10
Applicant: BASF AG
Inventor： PAKUSCH JOACHIM , KOPPERS MARKUS , GASCHLER WOLFGANG , SACK HEINRICH , SCHMIDT-THUMMES JURGEN , DENU HANS-JURGEN
Abstract: Procedimiento de elaboración de polímero en polvo por evaporación de los componentes volátiles de las dispersiones acuosas de polímero P formador de película, caracterizado porque la dispersión polimérica acuosa antes de la evaporación de los componentes volátiles presenta aún auxiliares de secado T, presentes en una cantidad del 0, 1 al 80 % en peso de, relativo al polímero P de la dispersión, empleándose polivinilformamida como auxiliar de secado T.
-
-
-
-
-
-
-
-
-
Search Results
103
records
(took 0.023 seconds)
