公开(公告)号：CA1234446A

公开(公告)日：1988-03-22

申请号：CA486358

申请日：1985-07-05

Applicant: BASF AG

Inventor： PETERSEN HARRO ,  IMMEL GUENTHER ,  WEISS WOLFRAM ,  SCHMIDT HORST ,  BUSSE GERD

IPC: C08G12/00 ,  C08G12/12 ,  C08G12/40 ,  C08G12/42 ,  C09D161/20 ,  C09D161/32

Abstract: A process for the preparation of curable etherified aminoplast resins based on urea/ aldehyde polycondensates, and the preparation of surface coating resins. Urea is first reacted with an .alpha.,.alpha.-dialkylaldehyde, as much as 50 mol% of which may be replaced by formaldehyde, in a molar ratio urea/aldehyde of about 1-2, at from 50 to 120.degree.C, in the presence of an acid and in the presence or absence of an alcohol or of other organic solvents, and the 2-oxohexahydropyrimidine derivative obtained in this cyclocondensation is then condensed with formaldehyde in the presence of one or more alcohols and an acid. These aminoplast resins are useful as both acidcurable resins and as resins for baking finishes.

公开(公告)号：BR8502880A

公开(公告)日：1986-02-25

申请号：BR8502880

申请日：1985-06-17

Applicant: BASF AG

Inventor： KEMPTER FRITZ ERDMANN ,  PETERSEN HARRO ,  SCHUPP EBERHARD ,  SABELUS GUENTHER ,  SCHMIDT HORST

IPC: C08G59/00 ,  C08G59/10 ,  C08G59/28 ,  C08G59/32 ,  C08L63/00 ,  C09D5/44 ,  C09D163/00 ,  C09D3/49 ,  C09D5/46

Abstract: The heat-curable coating agent according to the invention contains a combination of a binder, which possesses basic nitrogen groups and is rendered water-dilutable by protonation with an acid, and a crosslinking agent and, if required, pigments, fillers, corrosion inhibitors, surface coating assistants and catalysts, and the binder used is a reaction product of a dicarboxylic acid or of a dicarboxylate or of a (meth)acrylate oligomer or polymer with an adduct of a di- or triglycidyl ether and a polyamine, the polyamine containing 2 or more amine nitrogen atoms per molecule and one or more alkylene chains of 3 or more carbon atoms between the amino groups, and has an NH amine number of from 50 to 150 mg of KOH/g and is combined with aminoplasts and/or phenoplasts as crosslinking agents. The novel coating agent is useful as a binder for the cathodic electrocoating of metal articles.

公开(公告)号：CA953585A

公开(公告)日：1974-08-27

申请号：CA120667

申请日：1971-08-16

Applicant: BASF AG

Inventor： NAARMANN HERBERT ,  SCHARF EMIL ,  SCHMIDT HORST

IPC: C08F212/06 ,  C09J123/02 ,  D21H17/43

公开(公告)号：CA1239720A

公开(公告)日：1988-07-26

申请号：CA484065

申请日：1985-06-14

Applicant: BASF AG

Inventor： KEMPTER FRITZ E ,  PETERSEN HARRO ,  SCHUPP EBERHARD ,  SABELUS GUENTHER ,  SCHMIDT HORST

IPC: C08G59/00 ,  C08G59/10 ,  C08G59/28 ,  C08G59/32 ,  C08L63/00 ,  C09D5/44 ,  C09D163/00

Abstract: The heat-curable coating agent according to the invention contains a combination of a binder, which possesses basic nitrogen groups and is rendered water-dilutable by protonation with an acid, and a crosslinking agent and, if required, pigments, fillers, corrosion inhibitors, surface coating assistants and catalysts, and the binder used is a reaction product of a dicarboxylic acid or of a dicarboxylate or of a (meth)acrylate oligomer or polymer with an adduct of a di- or triglycidyl ether and a polyamine, the polyamine containing 2 or more amine nitrogen atoms per molecule and one or more alkylene chains of 3 or more carbon atoms between the amino groups, and has an NH amine number of from 50 to 150 mg of KOH/g and is combined with aminoplasts and/or phenoplasts as crosslinking agents. The novel coating agent is useful as a binder for the cathodic electrocoating of metal articles.