公开(公告)号：AU685271B2

公开(公告)日：1998-01-15

申请号：AU2344295

申请日：1995-04-12

Applicant: BASF AG

Inventor： WEINERTH KLAUS ,  MELL KARLHEINZ ,  MATTHIES PAUL ,  BEER LUDWIG

IPC: C08G69/16 ,  C08G69/02 ,  C08G69/04 ,  C08G69/48 ,  C08K5/3435 ,  D01F1/02 ,  D01F1/10 ,  D01F6/60 ,  D01F6/90 ,  D03D15/12

Abstract: A process for preparing inherently light- and heat-stabilized polyamides comprises polymerizing in the presence of at least one triacetonediamine compound of the formulawhere R is hydrogen or hydrocarbyl having from 1 to 20 carbon atoms, preferably alkyl having from 1 to 18 carbon atoms, or benzyl.

公开(公告)号：CZ9603014A3

公开(公告)日：1997-06-11

申请号：CZ301496

申请日：1995-04-12

Applicant: BASF AG

Inventor： WEINERTH KLAUS ,  MELL KARLHEINZ ,  MATTHIES PAUL ,  BEER LUDWIG

IPC: C08G69/16 ,  C08G69/02 ,  C08G69/04 ,  C08G69/48 ,  C08K5/3435 ,  D01F1/02 ,  D01F1/10 ,  D01F6/60 ,  D01F6/90 ,  D03D15/12

CPC classification number: C08G69/48 ,  C08K5/3435 ,  Y10T428/29 ,  Y10T428/2913 ,  Y10T428/2967 ,  Y10T428/2969 ,  Y10T442/183 ,  Y10T442/30 ,  C08L77/00

公开(公告)号：ES2081217T3

公开(公告)日：1996-02-16

申请号：ES93912778

申请日：1993-05-25

Applicant: BASF AG

Inventor： MATTHIES PAUL ,  HAHN KARL ,  MELL KARLHEINZ ,  SAUER THOMAS ,  WEINERTH KLAUS ,  LAUN MARTIN ,  HABERKORN HERBERT

IPC: C08G69/14 ,  C08G69/16 ,  D01F6/60 ,  D01F6/90

公开(公告)号：CA2187821A1

公开(公告)日：1995-10-26

申请号：CA2187821

申请日：1995-04-12

Applicant: BASF AG

Inventor： WEINERTH KLAUS ,  MELL KARLHEINZ ,  MATTHIES PAUL ,  BEER LUDWIG

IPC: C08G69/16 ,  C08G69/02 ,  C08G69/04 ,  C08G69/48 ,  C08K5/3435 ,  D01F1/02 ,  D01F1/10 ,  D01F6/60 ,  D01F6/90 ,  D03D15/12 ,  C08L77/00

Abstract: The invention relates to a process for the production of inherently light- a nd heat-stabilized polyamides, in which polymerisation and polycondensation take place in the presence of at least one tri-acetone diamine compound of formula (I), wherein R is hydrogen o r hydrocarbon groups with 1-20 carbon atoms, preferably a1kyl groups with 1-18 carbon atoms, or.a benzyl group.

公开(公告)号：LT3089B

公开(公告)日：1994-11-25

申请号：LTIP621

申请日：1993-06-04

Applicant: BASF AG

Inventor： MATTHIES PAUL ,  HAHN KARL ,  MELL KARLHEINZ ,  SAUER THOMAS ,  WEINERTH KLAUS ,  LAUN MARTIN ,  HABERKORN HERBERT

IPC: C08G69/14 ,  C08G69/16 ,  D01F6/60 ,  D01F6/90 ,  D01D5/08 ,  D01D5/12

公开(公告)号：CA1222590A

公开(公告)日：1987-06-02

申请号：CA456616

申请日：1984-06-14

Applicant: BASF AG

Inventor： PIPPER GUNTER ,  SCHMIDT FRANZ ,  THEYSOHN RAINER ,  RIEGGER SIEGFRIED ,  HEIL EDUARD ,  FISCHER HERMANN ,  THOMA RICHARD ,  MATTHIES PAUL

IPC: C08G69/00 ,  C08G69/26 ,  C08G69/28 ,  C08L77/00

Abstract: - 10 - O.Z. 0050/36564 Nylons are prepared by a continuous process in which, in a precondensation zone, an aqueous solution of a salt of a dicarboxylic acid of 6 to 18 carbon atoms and a diamine of 6 to 18 carbon atoms is heated to 250-300.degree.C under superatmospheric pressure, with simultaneous vaporization of water and formation of a prepolymer, the prepolymer and the vapor are separated, and the former is fed into a polycondensation zone and condensed under superatmospheric pressure of from 1 to 10 bar and at from 250 to 300.degree.C, wherein the aqueous salt solution is condensed under superatmospheric pressure of from 1 to 10 bar in the first third of the tubular precondensation zone provided with baffles, until the degree of conversion is not less than 93%, and the prepolymer and the vapor phase are brought into intimate contact with one another in the remaining two thirds of the precondensation zone.

公开(公告)号：CA1076743A

公开(公告)日：1980-04-29

申请号：CA266548

申请日：1976-11-25

Applicant: BASF AG

Inventor： MATTHIES PAUL ,  KUNDE JOACHIM ,  HOERAUF WERNER

IPC: C08G69/00 ,  C08G69/16

Abstract: O.Z. 31,765 An improved process for the continuous polymerization of .epsilon.-capro-lactam in the presence of water as initiator in a vertical downward-flow tubular reactor, in which the .epsilon.-caprolactam is partially polymerized at elevated temperature in a first, mechanically agitated reaction zone and is further polymerized in further reaction zones to the desired degree of polymerization. Poly-.epsilon.-caprolactam is discharged in the form of a melt. The polymerization is carried out at a gauge pressure of from 0.2 to 0.9 bar, constant in all reaction zones. The temperature in the first reaction zone is from 260 to 295.degree.C whilst obeying the condition t ? 265 + 43 p .degree.C, wherep is the numerical value of the gauge pressure in bars.