公开(公告)号：AU6589496A

公开(公告)日：1997-04-10

申请号：AU6589496

申请日：1996-09-27

Applicant: HOECHST AG

Inventor： PFEIL ARMIN ,  STENGEL-RUTKOWSKI BERNHARD ,  GODAU CLAUS

IPC: C08G59/04 ,  C08G59/06 ,  C08G59/14 ,  C09D4/06 ,  C09D163/00 ,  C09J163/00 ,  C09D163/02 ,  C09D163/10 ,  C09J163/02 ,  C09J163/10

Abstract: The aq. coating compsn., contg. little solvent, contains: (I) a modified epoxide resin dispersion, comprising: (a) an epoxide resin, which is a condensation prod. of 50-95 wt.% epoxide cpd(s). with NOTLESS 2 epoxide gps./mol. with 5-50 wt.% aromatic polyol; (b) a dispersant, comprising a condensation prod. of an aliphatic polyol with a Mw of 200-20000 g/mol and an epoxide cpd. with NOTLESS 2 epoxide gps./mole.; (c) a diluent, comprising inert or functional ethylenically unsatd. monomer(s) undergoing free radical (co)polymerisation; and (d) water; and (II) an aq. hardener for (I), suitable for cure at or above room temp.. Components (I) and (II) are used in amts. giving a ratio of reactive epoxide gps. to amino H atoms of 1:(0.75-2.0). Also claimed are the prodn. of (I) and coatings produced from the compsn..

公开(公告)号：CA2186425A1

公开(公告)日：1997-03-30

申请号：CA2186425

申请日：1996-09-25

Applicant: HOECHST AG

Inventor： PFEIL ARMIN ,  STENGEL-RUTKOWSKI BERNHARD ,  GODAU CLAUS

IPC: C08G59/04 ,  C08G59/06 ,  C08G59/14 ,  C09D4/06 ,  C09D163/00 ,  C09J163/00 ,  C09D7/02 ,  C09D7/12

Abstract: Aqueous low-solvent coating compositions comprising a modified epoxy resin dispersion comprising an epoxy resin which is prepared by condensation of one or more epoxide compounds having at least two epoxide groups per molecule with an aromatic polyol; a dispersant comprising a condensation product of an aliphatic polyol and an epoxide compound having at least two epoxide groups per molecule; a diluent consisting of ethylenically unsaturated otherwise inert or, if desired, functional monomers capable of free-radical polymerization or copolymerization, and water, and also an aqueous curing agent for the modified epoxy resin (I), which is suitable for curing at room temperature or at elevated temperatures (forced drying), components (I) and (II) being employed in proportions by mass such that the ratio of the number of epoxide groups which are capable of reaction to the number of amine hydrogen atoms is between 1:0.75 and 1:2. The coating compositions can be employed to produce matt coatings and in adhesives.

公开(公告)号：DE4310198A1

公开(公告)日：1994-10-06

申请号：DE4310198

申请日：1993-03-29

Applicant: HOECHST AG

Inventor： PFEIL ARMIN DR ,  GEISLER JOERG-PETER DR ,  GODAU CLAUS ,  STENGEL-RUTKOWSKI BERNHARD ,  MEYER MATTHIAS DR ,  PETRI STEFAN

IPC: C08G59/04 ,  C08J3/03 ,  C08L63/00 ,  C08L71/02 ,  C09K23/52 ,  C08G59/14 ,  C08G65/32 ,  B01F17/52 ,  C09D163/00 ,  C09D5/02

Abstract: Polyol-epoxide addition products obtained by reacting (A) an aliphatic polyol having a weight average molecular weight (Mw) of from 200 to 20,000 g/mol and (B) an epoxide compound containing at least two epoxide groups per molecule and having an epoxide equivalent weight of from 100 to 2,000 g/mol, where the ratio between the number of equivalents of OH groups and the number of equivalents of EP groups is from 1:3.6 to 1:10, preferably from 1:4 to 1:9, particularly preferably from 1:4.5 to 1:8, and the epoxide equivalent weight of the addition product is between 150 g/mol and at least 8,000 g/mol, preferably between 250 g/mol and 1,000 g/mol. These addition products are used as nonionic emulsifiers in water-dilutable liquid epoxy resins.

公开(公告)号：CA2119170A1

公开(公告)日：1994-09-30

申请号：CA2119170

申请日：1994-03-16

Applicant: HOECHST AG

Inventor： PFEIL ARMIN ,  GEISLER JOERG-PETER ,  GODAU CLAUS ,  STENGEL-RUTKOWSKI BERNHARD ,  MEYER MATTHIAS ,  PETRI STEFAN

IPC: C08G59/14 ,  C08G59/04 ,  C08J3/03 ,  C08L63/00 ,  C08L71/02 ,  C09K23/52 ,  C07C43/178 ,  C08G59/02 ,  C08G65/32 ,  B01F17/52

Abstract: of the disclosure: Polyol/epoxy adducts for use as emulsifier for liquid epoxy resins Polyol/epoxy adducts obtained by reaction of (A) an aliphatic polyol having an average molecular weight (Mw) of 200 to 20000 and (B) an epoxy compound having at least two epoxy groups per molecule and an epoxy equivalent weight of 100 to 2000, the equivalent ratio of the OH groups to the EP groups being 1:3.51 to 1:10, preferably 1:4 to 1:9, particularly preferably 1:4.5 to 1:8, and the epoxy equivalent weight of the adduct being between 150 g/eq and at least 8000 g/eq, preferably between 250 g/eq and 1000 g/eq. These adducts serve as nonionic emulsifier in waterdilutable epoxy liquid resins.

公开(公告)号：DE4303562A1

公开(公告)日：1994-08-18

申请号：DE4303562

申请日：1993-02-08

Applicant: HOECHST AG

Inventor： DREISCHHOFF DIETER ,  GEISLER JOERG-PETER DR ,  GODAU CLAUS ,  HOENEL MICHAEL DR ,  STENGEL-RUTKOWSKI BERNHARD

IPC: C08G59/50 ,  C04B24/28 ,  C04B26/14 ,  C04B41/48 ,  C08G59/18 ,  C08G65/26 ,  C08L63/00 ,  C08L71/02 ,  C09D5/34 ,  C09D163/00 ,  C09J163/00 ,  D06M15/55 ,  C08G59/40 ,  C08G59/14 ,  C08G65/32 ,  C08J3/03 ,  C08J3/24 ,  C08J7/04

Abstract: Curing agent for aqueous epoxy resin dispersions, obtained by reacting an adduct (A) of at least one polyepoxide (A1) and at least one polyalkylene polyether polyol (A2), where the adduct (A) may have been modified by means of a secondary amine (A3), with I. a product of the reaction of an amine (B) and an epoxide (C) or II. an amine (B) followed by reaction with an epoxide (C), where the amount of amine (B) is selected so that the H atoms on the nitrogen are present in a 2- to 10-fold excess, based on the epoxide groups in (A).

公开(公告)号：ES2145786T3

公开(公告)日：2000-07-16

申请号：ES94101519

申请日：1994-02-02

Applicant: HOECHST AG

Inventor： DREIESCHHOFF DIETER ,  DR GEISLER JORG-PETER ,  GODAU CLAUS ,  DR HONEL MICHAEL ,  STENGEL-RUTKOWSKI BERNHARD

IPC: C08G59/50 ,  C04B24/28 ,  C04B26/14 ,  C04B41/48 ,  C08G59/18 ,  C08G65/26 ,  C08L63/00 ,  C08L71/02 ,  C09D5/34 ,  C09D163/00 ,  C09J163/00 ,  D06M15/55

Abstract: Curing agent for aqueous epoxy resin dispersions, obtained by reacting an adduct (A) of at least one polyepoxide (A1) and at least one polyalkylene polyether polyol (A2), where the adduct (A) may have been modified by means of a secondary amine (A3), with I. a product of the reaction of an amine (B) and an epoxide (C) or II. an amine (B) followed by reaction with an epoxide (C), where the amount of amine (B) is selected so that the H atoms on the nitrogen are present in a 2- to 10-fold excess, based on the epoxide groups in (A).

公开(公告)号：DE59409344D1

公开(公告)日：2000-06-21

申请号：DE59409344

申请日：1994-02-02

Applicant: HOECHST AG

Inventor： DREIESCHHOFF DIETER ,  DR GEISLER JOERG-PETER ,  GODAU CLAUS ,  DR HOENEL MICHAEL ,  STENGEL-RUTKOWSKI BERNHARD

IPC: C08G59/50 ,  C04B24/28 ,  C04B26/14 ,  C04B41/48 ,  C08G59/18 ,  C08G65/26 ,  C08L63/00 ,  C08L71/02 ,  C09D5/34 ,  C09D163/00 ,  C09J163/00 ,  D06M15/55

Abstract: Curing agent for aqueous epoxy resin dispersions, obtained by reacting an adduct (A) of at least one polyepoxide (A1) and at least one polyalkylene polyether polyol (A2), where the adduct (A) may have been modified by means of a secondary amine (A3), with I. a product of the reaction of an amine (B) and an epoxide (C) or II. an amine (B) followed by reaction with an epoxide (C), where the amount of amine (B) is selected so that the H atoms on the nitrogen are present in a 2- to 10-fold excess, based on the epoxide groups in (A).

公开(公告)号：AU6589596A

公开(公告)日：1997-04-10

申请号：AU6589596

申请日：1996-09-27

Applicant: HOECHST AG

Inventor： STENGEL-RUTKOWSKI BERNHARD ,  GODAU CLAUS ,  PFEIL ARMIN

IPC: C08L63/02 ,  C08F283/10 ,  C08G59/04 ,  C08G59/06 ,  C08G59/14 ,  C08G59/50 ,  C08J3/03 ,  C09D4/00 ,  C09D163/00 ,  C09D171/00 ,  C09D163/02 ,  C09D163/10 ,  C09J163/00 ,  C09J163/02 ,  C09J163/10

公开(公告)号：DE19536380A1

公开(公告)日：1997-04-03

申请号：DE19536380

申请日：1995-09-29

Applicant: HOECHST AG

Inventor： PFEIL ARMIN DR ,  STENGEL-RUTKOWSKI BERNHARD ,  GODAU CLAUS

IPC: C08G59/04 ,  C08G59/06 ,  C08G59/14 ,  C09D4/06 ,  C09D163/00 ,  C09J163/00 ,  C09D5/02 ,  C09D5/28

Abstract: The aq. coating compsn., contg. little solvent, contains: (I) a modified epoxide resin dispersion, comprising: (a) an epoxide resin, which is a condensation prod. of 50-95 wt.% epoxide cpd(s). with NOTLESS 2 epoxide gps./mol. with 5-50 wt.% aromatic polyol; (b) a dispersant, comprising a condensation prod. of an aliphatic polyol with a Mw of 200-20000 g/mol and an epoxide cpd. with NOTLESS 2 epoxide gps./mole.; (c) a diluent, comprising inert or functional ethylenically unsatd. monomer(s) undergoing free radical (co)polymerisation; and (d) water; and (II) an aq. hardener for (I), suitable for cure at or above room temp.. Components (I) and (II) are used in amts. giving a ratio of reactive epoxide gps. to amino H atoms of 1:(0.75-2.0). Also claimed are the prodn. of (I) and coatings produced from the compsn..

公开(公告)号：CA2186424A1

公开(公告)日：1997-03-30

申请号：CA2186424

申请日：1996-09-25

Applicant: HOECHST AG

Inventor： STENGEL-RUTKOWSKI BERNHARD ,  GODAU CLAUS ,  PFEIL ARMIN

IPC: C08L63/02 ,  C08F283/10 ,  C08G59/04 ,  C08G59/06 ,  C08G59/14 ,  C08G59/50 ,  C08J3/03 ,  C09D4/00 ,  C09D163/00 ,  C09D171/00 ,  C09D7/02 ,  C09D7/12 ,  C09J163/00

Abstract: Aqueous, low-solvent coating compositions comprising a base resin dispersion comprising of an epoxy resin, prepared by condensation of one or more epoxide compounds having at least two epoxide groups per molecule and an aromatic polyol; a dispersant comprising a condensation product of an aliphatic polyol having a weight-average molar mass (Mw) of from 200 to 20,000 g/mol and an epoxide compound having at least two epoxide groups per molecule, and low molar mass, liquid, epoxyfunctional compounds as diluents, and also water; an aqueous curing agent for the modified epoxy resin (I), which is suitable for curing at room temperature or at elevated temperatures (forced drying), components (I) and (II) being employed in mass fractions such that the ratio of the number of reactive epoxide groups in (I) to the number of amine hydrogen atoms in (II) is between 1:0.75 and 1:2. The coating compositions exhibit an extended pot life. They can be used to produce coatings and in watersoluble adhesives.