公开(公告)号：TR200103802T2

公开(公告)日：2002-09-23

申请号：TR200103802

申请日：2000-06-09

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN ,  NEUHAUS RALF

IPC: C08G63/78 ,  C08G63/85

Abstract: The invention relates to a method for the continuous production of polybutylene terephthalate from terephthal acid and 1,4-butane diole, comprising the following stages: a) direct esterification of terephthal acid with 1,4-butane diole in a reactor cascade of at least two reactors b) pre-condensation of the esterification product obtained in stage a), c) polycondensation of the pre-condensate obtained in stage b), whereby the temperature of the reactor cascade in stage a) is progressively decreased during its operation.

公开(公告)号：BR0012027A

公开(公告)日：2002-03-19

申请号：BR0012027

申请日：2000-06-28

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN ,  NEUHAUS RALF

IPC: C08G63/183 ,  C08G63/78

Abstract: In a process for the continuous preparation of polybutylene terephthalate from terephthalic acid and 1,4-butanediol comprising:a) direct esterification of terephthalic acid with 1,4-butanediol in a reactor cascade comprising at least two reactors,b) precondensation of the esterification product obtained in stage a), andc) polycondensation of the precondensate obtained in stage b),the reaction pressure decreases and the temperature does not increase along the reactor cascade in stage a).

公开(公告)号：ES2152703T3

公开(公告)日：2001-02-01

申请号：ES97941972

申请日：1997-08-29

Applicant: BASF AG

Inventor： KLATT MARTIN ,  HEITZ THOMAS ,  GAREISS BRIGITTE

IPC: C08J5/00 ,  C08K3/18 ,  C08K5/5333 ,  C08K5/5357 ,  C08K7/02 ,  C08K13/00 ,  C08L25/00 ,  C08L25/02 ,  C08L67/00 ,  C08L67/02 ,  C08L71/02 ,  C08L71/12 ,  C08L77/00

Abstract: Thermoplastic molding compositions compriseA) from 5 to 97% by weight of a thermoplastic polymer selected from the group consisting of polyamides, polyesters, polyphenylene ethers, vinylaromatic polymers and mixtures of these,B) from 1 to 30% by weight of an alkylphosphonic acid compound of the formula I where R is alkyl having from 1 to 4 carbon atoms and x is 0 or 1,C) from 1 to 30% by weight of a synergist for B) selected from the group consisting of inorganic calcium and magnesium compounds and mixtures of these,D) from 1 to 50% by weight of a fibrous filler andE) from 0 to 40% by weight of other additives and processing aids,where the sum of the percentages by weight of components A) to E) is always 100%.

公开(公告)号：AU6428100A

公开(公告)日：2001-01-31

申请号：AU6428100

申请日：2000-06-28

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN ,  NEUHAUS RALF

IPC: C08G63/183 ,  C08G63/78

Abstract: In a process for the continuous preparation of polybutylene terephthalate from terephthalic acid and 1,4-butanediol comprising:a) direct esterification of terephthalic acid with 1,4-butanediol in a reactor cascade comprising at least two reactors,b) precondensation of the esterification product obtained in stage a), andc) polycondensation of the precondensate obtained in stage b),the reaction pressure decreases and the temperature does not increase along the reactor cascade in stage a).

公开(公告)号：AU3959000A

公开(公告)日：2000-08-25

申请号：AU3959000

申请日：2000-01-29

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN

IPC: C08L67/02 ,  C08L67/00

公开(公告)号：DE59507754D1

公开(公告)日：2000-03-09

申请号：DE59507754

申请日：1995-11-21

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  HEYM MANFRED ,  MUEHLBACH KLAUS ,  PLACHETTA CHRISTOPH

IPC: C07C267/00 ,  C08K5/29 ,  C08L67/00 ,  C08L67/02

Abstract: PCT No. PCT/EP95/04577 Sec. 371 Date May 30, 1997 Sec. 102(e) Date May 30, 1997 PCT Filed Nov. 21, 1995 PCT Pub. No. WO96/17011 PCT Pub. Date Jun. 6, 1996Thermoplastic molding compositions comprise A) from 20 to 99% by weight of a polyester, up to 90% by weight of which may be replaced by a polycarbonate or a polyamide, B) from 0.1 to 7% by weight of a carbodiimide of the formula I Formula I where R1 are identical or different radicals selected from the group consisting of -NCO, -NHCONHR5, -NHCONR5R6 and -NHCOOR7, where R5 , R6 are identical or different and are alkyl, cycloalkyl or aralkyl, R7 is the same as R5 or is alkoxy(poly)oxyalkylene and R2 , R3 are identical or different aliphatic radicals having from 1 to 18 carbon atoms or cycloaliphatic radicals having from 5 to 15 carbon atoms or aromatic radicals having from 6 to 15 carbon atoms, R4 are identical or different aliphatic radicals having from 2 to 20 carbon atoms or halogen or alkoxy, x is an integer from 0 to 4 and n is an integer from 0 to 10, C) from 0 to 75% by weight of conventional additives and processing aids, where the sum of the percentages by weight of components A) to C) is 100%.

公开(公告)号：CZ295286B6

公开(公告)日：2005-06-15

申请号：CZ20014648

申请日：2000-06-09

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN ,  NEUHAUS RALF

IPC: C08G63/78 ,  C08G63/85

Abstract: The present invention relates to a process for the continuous preparation of polybutylene terephthalate from terephthalic acid and 1,4-butanediol, comprising the following stages: a) direct esterification of terephthalic acid with 1,4-butanediol in a reactor cascade of at least two reactors b) pre-condensation of the esterification product obtained in the stage a), c) polycondensation of the pre-condensate obtained in the stage b), whereby the temperature of the reactor cascade in the stage a) is progressively decreased during operation thereof.

公开(公告)号：DE50007696D1

公开(公告)日：2004-10-14

申请号：DE50007696

申请日：2000-06-28

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN ,  NEUHAUS RALF

IPC: C08G63/183 ,  C08G63/78

Abstract: In a process for the continuous preparation of polybutylene terephthalate from terephthalic acid and 1,4-butanediol comprising:a) direct esterification of terephthalic acid with 1,4-butanediol in a reactor cascade comprising at least two reactors,b) precondensation of the esterification product obtained in stage a), andc) polycondensation of the precondensate obtained in stage b),the reaction pressure decreases and the temperature does not increase along the reactor cascade in stage a).

公开(公告)号：AT275595T

公开(公告)日：2004-09-15

申请号：AT00951286

申请日：2000-06-28

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN ,  NEUHAUS RALF

IPC: C08G63/183 ,  C08G63/78

Abstract: In a process for the continuous preparation of polybutylene terephthalate from terephthalic acid and 1,4-butanediol comprising:a) direct esterification of terephthalic acid with 1,4-butanediol in a reactor cascade comprising at least two reactors,b) precondensation of the esterification product obtained in stage a), andc) polycondensation of the precondensate obtained in stage b),the reaction pressure decreases and the temperature does not increase along the reactor cascade in stage a).

公开(公告)号：ES2209904T3

公开(公告)日：2004-07-01

申请号：ES00940355

申请日：2000-06-09

Applicant: BASF AG

Inventor： HEITZ THOMAS ,  KLATT MARTIN ,  NEUHAUS RALF

IPC: C08G63/78 ,  C08G63/85

Abstract: The invention relates to a method for the continuous production of polybutylene terephthalate from terephthal acid and 1,4-butane diole, comprising the following stages: a) direct esterification of terephthal acid with 1,4-butane diole in a reactor cascade of at least two reactors b) pre-condensation of the esterification product obtained in stage a), c) polycondensation of the pre-condensate obtained in stage b), whereby the temperature of the reactor cascade in stage a) is progressively decreased during its operation.