-
公开(公告)号：DE10316466A1
公开(公告)日：2004-10-28
申请号：DE10316466
申请日：2003-04-09
Applicant: BASF AG
Inventor： HECKMANN MANFRED , HOELEMANN KARL , LOENING JAN-MARTIN , HEITZ THOMAS
Abstract: Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
-
公开(公告)号：DE50004084D1
公开(公告)日：2003-11-20
申请号：DE50004084
申请日：2000-06-09
Applicant: BASF AG
Inventor： HEITZ THOMAS , KLATT MARTIN , NEUHAUS RALF
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：AT252125T
公开(公告)日：2003-11-15
申请号：AT00940355
申请日：2000-06-09
Applicant: BASF AG
Inventor： HEITZ THOMAS , KLATT MARTIN , NEUHAUS RALF
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.
-
24.发明专利
公开(公告)号：MXPA01012853A
公开(公告)日：2002-07-30
申请号：MXPA01012853
申请日：2000-06-28
Applicant: BASF AG
Inventor： HEITZ THOMAS
IPC: C08G63/183 , C08G63/78
Abstract: La invencion se refiere a un metodo para la produccion continua de tereftalato de polibutileno a partir de acido tereftalico y 1,4-butandiol, que comprende los siguientes pasos: d) la esterificacion directa de acido tereftalico con 1,4-butandiol en una serie de reactores que consiste de por lo menos dos reactores; e) la precondensacion del producto de esterificacion obtenido en el paso a); f) la policondensacion del precondensado obtenido en el paso b). La serie de reactores en el paso a) es operada con una presion de reaccion disminuyendo y una temperatura que no se eleva.
-
25.发明专利
公开(公告)号：CZ20014543A3
公开(公告)日：2002-04-17
申请号：CZ20014543
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).
-
Patent Agency Ranking
公开(公告)号：BR0012018A
公开(公告)日：2002-03-26
申请号：BR0012018
申请日：2000-06-09
Applicant: BASF AG
Inventor： HEITZ THOMAS , KLATT MARTIN , NEUHAUS RALF
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：GR3035280T3
公开(公告)日：2001-04-30
申请号：GR20010400097
申请日：2001-01-22
Applicant: BASF AG
Inventor： KLATT MARTIN , GAREISS BRIGITTE , YAMAMOTO MOTONORI , FISCH HERBERT , NAM MICHAEL , HEITZ THOMAS , LEUTNER BERND
IPC: C08J5/00 , C08J5/18 , C08K5/00 , C08K5/10 , C08K5/20 , C08K5/3492 , C08K5/49 , C08L67/02 , D01F1/07 , D01F6/62
Abstract: Thermoplastic molding compositions compriseA) from 30 to 96% by weight of a polyesterB) from 1 to 30% by weight of melamine cyanurateC) from 1 to 30% by weight of at least one phosphorus-containing flame retardantD) from 0.01 to 5% by weight of at least one ester or amide derived from a saturated or unsaturated aliphatic carboxylic acid having from 10 to 40 carbon atoms and a saturated aliphatic alcohol or &mine having from 2 to 40 carbon atomsE) from 0 to 60% by weight of other additives and processing aidswhere the total of the percentages by weight of components A) to E) is 100%.
-
公开(公告)号：AU3828299A
公开(公告)日：1999-12-06
申请号：AU3828299
申请日：1999-05-10
Applicant: BASF AG
Inventor： QUEISSER JOACHIM , KLATT MARTIN , HEITZ THOMAS , WOLF PETER
-
公开(公告)号：AU3411699A
公开(公告)日：1999-10-18
申请号：AU3411699
申请日：1999-03-12
Applicant: BASF AG
Inventor： HEITZ THOMAS , KLATT MARTIN
-
公开(公告)号：AU9542498A
公开(公告)日：1999-05-10
申请号：AU9542498
申请日：1998-10-05
Applicant: BASF AG
Inventor： HEITZ THOMAS , BRAUNE PETER , FISCH HERBERT , PELLKOFER ERICH , SCHNEIDER GEORG
Abstract: The invention relates to the use of thermoplastic polyester molding compounds, containing A) 80 to 100 wt. % of a polyalkylene arylate, especially polybutyleneterephthalate, with a half-width of crystallization heat releases of
-
-
-
-
-
-
-
-
-
Search Results
56
records
(took 0.022 seconds)
