公开(公告)号：AT242954B

公开(公告)日：1965-10-11

申请号：AT978162

申请日：1962-12-14

Applicant: BASF AG

Inventor： BRANDEIS HANS ,  FIKENTSCHER ROLF ,  LENZ JOHANN ,  KIRMSE HERBERT

IPC: C08G12/04 ,  C08G12/40 ,  D06M15/423

公开(公告)号：DE1109110B

公开(公告)日：1961-06-15

申请号：DED0027745

申请日：1958-03-27

Applicant: BASF AG

Inventor： ROEDERER DIPL-CHEM DR HELMUT ,  LENZ JOHANN ,  REICH DR JOHANN GEORG ,  EISENTRAEGER KLAUS

IPC: C09J103/02 ,  C09J161/24

公开(公告)号：DE813598C

公开(公告)日：1951-09-13

申请号：DEB0002381

申请日：1950-03-04

Applicant: BASF AG

Inventor： SCHEUERMANN HANS DR ,  LENZ JOHANN

IPC: C08J9/30

公开(公告)号：DE808602C

公开(公告)日：1951-07-16

申请号：DEP0003094

申请日：1948-10-02

Applicant: BASF AG

Inventor： SCHEUERMANN DR HANS ,  LENZ JOHANN ,  FAHRENHORST DR HEINZ

IPC: C08K5/04

公开(公告)号：DE2542471A1

公开(公告)日：1977-04-14

申请号：DE2542471

申请日：1975-09-24

Applicant: BASF AG

Inventor： LENZ JOHANN ,  OPPENLAENDER KNUT DIPL CHEM DR ,  REUTHER WOLFGANG DIPL CHEM DR

IPC: C08J9/00 ,  C08L61/20 ,  C08K5/10

Abstract: Low shrinkage aminoplast foams are prepd. by reacting aminoplast esp. urea-HCHO solns. blowing agents, and hardening accelerators in the presence of a shrink preventing and flame retarding agent (I). (I) is the reaction prod of ortho-boric acid and polyfunctional alcohols or polyalkylene glycol ethers of polyfunctional alcohols. Used as acoustic and heat insulation for pipes, walls etc. In an example, an aq. urea-HCHO soln was foamed in the presence of the reaction prod. of polyethylene glycol and boric acid; blowing agent, resorcinol water, urea and phosphoric acid. The prod. had linear shrinkage of 2.1%.

公开(公告)号：DE2424379A1

公开(公告)日：1975-11-27

申请号：DE2424379

申请日：1974-05-20

Applicant: BASF AG

Inventor： HAMPEL UWE ING GRAD ,  PETRI ROLF ,  PETERSEN HARRO DIPL CHEM DR ,  LENZ JOHANN ,  MATTHIAS GUENTHER DIPL CHEM DR ,  REUTHER WOLFGANG DIPL CHEM DR

IPC: F16L37/24 ,  A61C1/08 ,  C04B24/22 ,  C08G12/40 ,  F16L37/00 ,  C08L61/28

公开(公告)号：DE2243857A1

公开(公告)日：1974-04-04

申请号：DE2243857

申请日：1972-09-07

Applicant: BASF AG

Inventor： ERHARDT KLAUS DR ,  PETERSEN HARRO DR ,  TEUTHER WOLFGANG DR ,  WITTMANN OTTO ,  BRUNNMUELLER FRITZ DR ,  GRABOWSKY OTTO DR ,  MAYER JOHANN DR ,  LENZ JOHANN

IPC: C08G12/12 ,  C08G9/10

Abstract: A urea-formaldehyde resin is formed by (a) reacting formaldehyde and urea of an initial molar ratio of >=3, in an aqs. soln., pH 3, until 1% of the urea has reacted to form urone gps., or by reacting as above during a time t = 10pH-2 (between 90-100 degrees C), (b) adding urea to the obtd. prod., at pH=3, such that the polar ratio HCHO:urea is 2-2.75 and condensing until the aqs. soln. of the condensate is no longer indefinitely dilutable in water at room temp., and (c) concentrating or evaporating the soln. formed to give a prod. contg. HCHO and urea in a molar ratio 1-2.75. The resin is used partic. in the mfr. of plywood and has a reduced tendency to evolve free HCHO.

公开(公告)号：DE2241715A1

公开(公告)日：1974-03-07

申请号：DE2241715

申请日：1972-08-24

Applicant: BASF AG

Inventor： PETERSEN HARRO DR ,  SCHARWAECHTER PETER DR ,  LENZ JOHANN

IPC: C07F9/40 ,  C08G12/40 ,  C08J9/00 ,  C08J9/40 ,  C08G37/28

Abstract: An aq. soln. of a curable UF precondensate contains, either in free form or condensed therein, 1-10wt.% based on precondensate, of a dialkylphosphonocarboxylic acid ester of formula (I): where "Alkyl" is e.g., 1-10C alkyl; R1, R11 and/or R111 are H or identical or different e.g., 1-10C alkyls; n is 0-3; and X is -COO-alkyl, -CN-, -OCNR2 degrees or -CONH-CO-NH2 where R degree is as above. 3-dimethylphosphonopropylcarbamate is suitable. Used in mfr. of dimensionally stable, non-flammable foams e.g., for heat insulation. Cpd. (I) has no effect on mechanical strength and is easily and evenly dispersed in the matrix.

公开(公告)号：DE2154570A1

公开(公告)日：1973-05-10

申请号：DE2154570

申请日：1971-11-03

Applicant: BASF AG

Inventor： SCHMIDT-HELLERAU CHRISTOFF ,  MAYER JOHANNES DR ,  LENZ JOHANN ,  BRUNNMUELLER FRIEDRICH DR

IPC: C08G14/00 ,  C08G14/06 ,  C08G14/08 ,  C09J161/34 ,  C09J3/16

公开(公告)号：DE2135738A1

公开(公告)日：1973-01-25

申请号：DE2135738

申请日：1971-07-16

Applicant: BASF AG

Inventor： BRUNNMUELLER FRIEDRICH DR ,  HENKEL HELMUT ,  LENZ JOHANN

IPC: B27K3/15 ,  C08G12/12 ,  C08L61/24 ,  C08L61/28 ,  C08G9/10