公开(公告)号：DE1186618B

公开(公告)日：1965-02-04

申请号：DEB0073043

申请日：1963-08-08

Applicant: BASF AG

Inventor： KUNDE DR JOACHIM ,  GEHM DR ROBERT

IPC: C08G18/10

公开(公告)号：DE1239473B

公开(公告)日：1967-04-27

申请号：DEB0066789

申请日：1962-04-12

Applicant: BASF AG

Inventor： DACHS DR KARL ,  KUNDE DR JOACHIM ,  METZGER DR HORST ,  WILHELM DR HANS

IPC: C08G69/14 ,  C08G69/16

公开(公告)号：DE1225855B

公开(公告)日：1966-09-29

申请号：DEB0078730

申请日：1964-09-30

Applicant: BASF AG

Inventor： WILHELM DR HANS ,  KUNDE DR JOACHIM ,  GEHM DR ROBERT

IPC: C08G18/10

公开(公告)号：DE1261671B

公开(公告)日：1968-02-22

申请号：DEB0067109

申请日：1962-05-04

Applicant: BASF AG

Inventor： BAYERLEIN DR FRIEDRICH ,  BECHT DR GUENTER ,  KUNDE DR JOACHIM ,  GEHM DR ROBERT ,  WILHELM DR HANS

IPC: C08G69/20

公开(公告)号：DE1239466B

公开(公告)日：1967-04-27

申请号：DEB0072956

申请日：1963-08-01

Applicant: BASF AG

Inventor： FEDERKIEL WILHELM ,  GEHM DR ROBERT ,  KUNDE DR JOACHIM ,  MAIER DR KARL

IPC: C08K5/17

公开(公告)号：DE1196862B

公开(公告)日：1965-07-15

申请号：DEB0074558

申请日：1963-12-06

Applicant: BASF AG

Inventor： KUNDE DR JOACHIM ,  GEHM DR ROBERT ,  WEISSAUER DR HERMANN ,  WELLENREUTHER DR GERHARD

IPC: C08G18/10

Abstract: Highly elastic polyurethane articles are made by reacting, in an inert polar solvent, substantially linear isocyanate modified polyhydroxy compounds of M.W. from about 750 to 6000 and having terminal -NCO groups with dihydrazino compounds of cyclic diazines containing at least two reactive hydrogen atoms and moulding or applying to a substrate while removing the solvent. Hydrazino compounds specified are:-2,4-dihydrazino-6-methyl-m-diazine; 2, 4 - dihydrazino - 5, 6 - tetramethylene-m-diazine; 2,4 - dihydrazino - 6 - benzyl - m-diazine; 2, 4 - dihydrazino - 5 - methyl - 6-phenyl - m - diazine; 2, 4 - dihydrazinoquinazoline; 2, 3 - dihydrazinoquinoxaline and 1, 4-dihydrazinophthalazine. The polar solvent may be dimethyl formamide, dimethyl acetamide, tetramethylenesulphone or tetramethyl urea.

公开(公告)号：DE1239465B

公开(公告)日：1967-04-27

申请号：DEB0072955

申请日：1963-08-01

Applicant: BASF AG

Inventor： FEDERKIEL WILHELM ,  GEHM DR ROBERT ,  KUNDE DR JOACHIM ,  MAIER DR KARL

IPC: C08K5/3462

公开(公告)号：DE1221796B

公开(公告)日：1966-07-28

申请号：DEB0079872

申请日：1964-12-23

Applicant: BASF AG

Inventor： KUNDE DR JOACHIM ,  WILHELM DR HANS ,  DOERFEL DR HELMUT

IPC: C08G18/10 ,  C08G18/42

Abstract: Mouldings are prepared from elastomers containing urethane groups and/or urea and/or semicarbazide groups. The elastomers are prepared by reacting a polyester having at least two hydroxyl groups prepared from adipic acid and a mixture of 45-90% by wt. 1,6-hexanediol and 10-55% by wt. 2,2-dimethyl, 1,3-hexanediol, first with a polyisocyanate and then with a chain extender. The process may be carried out in the presence of an unreactive polar solvent. Up to 10% by wt. of the adipic acid may be replaced by other dicarboxylic acids, e.g. sebacic, pimelic, suberic or isophthalic acids.

公开(公告)号：DE1212720B

公开(公告)日：1966-03-17

申请号：DEB0077128

申请日：1964-06-06

Applicant: BASF AG

Inventor： GEHM DR ROBERT ,  KUNDE DR JOACHIM ,  MERTES DR FRIEDRICH

IPC: C08G18/10

公开(公告)号：DE1200531B

公开(公告)日：1965-09-09

申请号：DEB0074560

申请日：1963-12-06

Applicant: BASF AG

Inventor： GEHM DR ROBERT ,  KUNDE DR JOACHIM ,  MERTES DR FRIEDRICH

IPC: C08G18/10

Abstract: Elastic moulded polyurethane articles are prepared by reacting in solution in an inert polar solvent a linear isocyanate modified polyhydroxyl compound of M.W. 750-6000 and a melting point below 50 DEG C. having terminal -NCO groups with a dihydrazino-di-s-triazino compound in which monohydrazino-s-triazines are linked via a bivalent diamine radical, and moulding the resulting solution while removing the solvent by heating. The dihydrazino compound may have the formula where A is a diamine radical attached to the triazine rings via its nitrogen atoms and B is hydrogen chlorine or a monovalent aliphatic or aromatic group of 1-8 C or -OR, or -NR1R2, where R1 and R2 are hydrogen or monovalent aliphatic or aromatic groups of 1-8 C.