公开(公告)号：DE19745921A1

公开(公告)日：1999-04-22

申请号：DE19745921

申请日：1997-10-17

Applicant: BASF AG

Inventor： HEITZ THOMAS DR ,  BRAUNE PETER DR ,  FISCH HERBERT DR ,  PELLKOFER ERICH ,  SCHNEIDER GEORG

IPC: G02B6/44 ,  B29C47/00 ,  B29C49/00 ,  C08G63/78 ,  C08J5/00 ,  C08L67/02 ,  H01B3/42 ,  C08K3/10 ,  B29D23/00 ,  B29C47/02

Abstract: A thermoplastic polyester molding composition (I) comprises (A) 80-100 wt.% of a polyalkylene arylate having a crystallization exotherm width at half height of no more than 5 deg C and (B) 0-20 wt.% further additives. Independent claims are included for (i) optical fiber sheathing and cable sheathing prepared from (I) and (ii) a process for the production of (I) by (a) esterification and/or ester exchange of an aromatic dicarboxylic acid, ester and/or ester forming derivative with a molar excess of a dihydroxy compound; (b) precondensing the resulting product followed by (c) polycondensation to a viscosity number of 158 ml/g whereby (a) and (b) are carried out in at least 2 temperature zones and optionally adding (B) before cooling of the melt before or after step (c).

公开(公告)号：DE19714548A1

公开(公告)日：1998-10-15

申请号：DE19714548

申请日：1997-04-09

Applicant: BASF AG

Inventor： WUENSCH JOSEF DR ,  GEPRAEGS MICHAEL DR ,  WARZELHAN VOLKER DR ,  GRUTKE STEFAN DR ,  WEBER MARTIN DR ,  KLATT MARTIN DR ,  WOLF PETER DR ,  HEITZ THOMAS DR ,  PLESNIVY THOMAS DR ,  FISCHER MICHAEL DR ,  RAUSCHENBERGER VOLKER ,  RAUSCHENBERGER VOLKER DR

IPC: C08J5/00 ,  C08F4/642 ,  C08F12/04 ,  C08K3/34 ,  C08L25/00 ,  H05K1/03 ,  C08L25/02 ,  C08K9/04 ,  D01F6/20 ,  C08F112/06 ,  C08J3/205

Abstract: The invention relates to thermoplastic molding materials containing A) 10 to 99 wt. % of a vinyl aromatic polymer with a syndiotactic pentadene content of 30 mol %, B) 0.1 to 20 % of delaminated stratified silicate (phyllosilicate), C) 0 to 50 wt. % other additives and processing agents, wherein the weight percentages of constituents A) to C) amount to 100 %.

公开(公告)号：DE19616075A1

公开(公告)日：1997-10-30

申请号：DE19616075

申请日：1996-04-23

Applicant: BASF AG

Inventor： WUENSCH JOSEF DR ,  WEBER MARTIN DR ,  PIPPER GUNTER ,  GLUECK ALEXANDER DR ,  VOGEL WILFRIED DR ,  HEITZ THOMAS DR ,  GRUTKE STEFAN DR

IPC: C08L25/00 ,  C08L25/06 ,  C08L71/10 ,  C08L71/12 ,  C08L77/00 ,  C08L25/02 ,  C08L25/16

Abstract: Thermoplastic moulding compounds containing: (A) 5 to 97.9 wt.% of a vinyl aromatic polymer with a syndiotactic structure; (B) 2 to 90 wt.% of a low-viscosity polyamide with a viscosity number in the range from 50 to 150 ml/g; and (C) 0.1 to 50 wt.% of a polyphenylene ether modified with polar groups.

公开(公告)号：MY129005A

公开(公告)日：2007-03-30

申请号：MYPI20002951

申请日：2000-06-28

Applicant: BASF AG

Inventor： HEITZ THOMAS DR ,  KLATT MARTIN DR ,  NEUHAUS RALF DR

IPC: C08G63/78 ,  C08G63/183

Abstract: IN A PROCESS FOR THE CONTINUOUS PREPARATION OF POLYBUTYLENE TEREPHTHALIC ACID AND 1,4-BUTANEDIOL COMPRISING : A) DIRECT ESTERIFICATION OF TEREPTHALIC ACID WITH 1,4-BUTANEDIOL IN A REACTOR CASCADE COMPRISING AT LEAST TWO REACTORS ,B) PRECONDENSATION OF THE ESTERIFICATION PRODUCT OBTAINED IN STAGE A), AND C) POLYCONDENSATION OF THE PRECONDENSATE OBTAINED IN STAGE B) THE REACTION PRESSURE DECREASES AND THE TEMPERATURE DOES NOT INCREASE ALONG THE REACTOR IN STAGE A).

公开(公告)号：DE19545968A1

公开(公告)日：1997-06-12

申请号：DE19545968

申请日：1995-12-11

Applicant: BASF AG

Inventor： HEITZ THOMAS DR ,  HOFMANN JUERGEN ,  KOCH JUERGEN DR

IPC: B29B15/06 ,  C08G61/12 ,  C08G65/46 ,  C08L71/10

Abstract: A process for the purification of polyarylene ethers (I), comprises: (a) making a melt of (I); (b) adding up to 1.5 wt.% water; and (c) removing the water together with the impurities. Preferably, the amount of water added in stage (b) is up to 1 wt%. Stage (b) is carried out under pressure and stage (c) is carried out under normal or reduced pressure. The process is preferably carried out in an extruder, with a polyarylene ether ketone as the starting material.

公开(公告)号：DE4424039A1

公开(公告)日：1996-01-18

申请号：DE4424039

申请日：1994-07-11

Applicant: BASF AG

Inventor： HEITZ THOMAS DR ,  GLUECK ALEXANDER DR ,  HEITZ WALTER PROF DR ,  RICHTER RALF

IPC: C08G67/00 ,  C08G61/12 ,  C08G65/40

公开(公告)号：DE4424036A1

公开(公告)日：1996-01-18

申请号：DE4424036

申请日：1994-07-11

Applicant: BASF AG

Inventor： HEITZ THOMAS DR ,  GLUECK ALEXANDER DR ,  KOCH JUERGEN DR ,  HEITZ WALTER PROF DR ,  RICHTER RALF

IPC: C07C45/00 ,  C07C49/813 ,  C07C49/83 ,  C07C49/84 ,  C08G65/40 ,  C08G65/38 ,  C08G61/12 ,  C08G65/48

Abstract: Prodn. of polyarylene-ether-ketones (PEK) by nucleophilic substd. using dihalo-aromatic monomer components comprises (1) reacting chloro-hydroxy-aromatics (I) in the presence of alkali metal cpds. (II) and then (2) adding 0.001-25 mole% difluoro aromatics (III) (w.r.t. amt. of I used in 1) and continuing the reaction to completion or until the required molecular wt. is obtd..

公开(公告)号：DE19714900A1

公开(公告)日：1998-10-15

申请号：DE19714900

申请日：1997-04-10

Applicant: BASF AG

Inventor： KLATT MARTIN DR ,  GRUTKE STEFAN DR ,  HEITZ THOMAS DR ,  RAUSCHENBERGER VOLKER DR ,  PLESNIVY THOMAS DR ,  WOLF PETER DR ,  WUENSCH JOSEF DR ,  FISCHER MICHAEL DR

IPC: C08K3/32 ,  C08K3/34 ,  C08K7/02 ,  C09K21/14 ,  C08L77/00 ,  C08J5/00 ,  C08J5/04 ,  C08J5/18 ,  C08K3/02 ,  D01F6/60

Abstract: A thermoplastic moulding composition (I) contains (A) 10-98 wt.% polyamide (B) 1-20 wt.% red phosphorous (C) 0.1-15 wt.% delaminated layer silicate (phyllosilicate) (D) 0-70 wt.% additional additives and processing aids. An article (II) prepared from the composition (I) is also claimed. Preferably the composition (I) contains 5-40 wt.% fibrous reinforcement as component (D). The polyamide (A) contains at least 5 wt.% units resulting from lactam monomers. (A) comprises 5-95 wt.% (A1) polyamide 6 and 5-95 wt.% (A2) a different polyamide. (A) is polyamide 6, polyamide 12, polyamide 6/66, polyamide 6/6T, polyamide 6/6I, polyamide 66, polyamide 610 and /or polyamide 46. The layer silicate (C) is montmorillonite, smectite, illite, sepiolite, polygorskite, muscovite, allevardite, amesite, hectorite, talc, fluorhectorite, beidellite, nontronite, stevensite, bentonite, mica, vermiculite, fluorvermiculite, halloysite and/or fluorine containing synthetic talc. The moulded article (II) has a layer structure equivalent to 1--2-1-n-Z; 1 = the thermoplastic matrix; and 2 = the delaminated layer silicate, having preferably a 40 deg A gap between layers.

公开(公告)号：DE4442724A1

公开(公告)日：1996-06-05

申请号：DE4442724

申请日：1994-12-01

Applicant: BASF AG

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

IPC: C07C267/00 ,  C08K5/29 ,  C08L67/00 ,  C08L67/02 ,  D01F6/92 ,  D01F1/10

Abstract: The invention concerns thermoplastic shaping compounds containing: A) 20 to 99 wt % of a polyester, up to 90 wt % of which relative to A) can optionally be replaced by a polycarbonate or a polyamide; B) 0.1 to 7 wt % of a carbodiimide of formula (I), in which R means identical or different residues selected from the group comprising -NCO, -NHCONHR , NHCONR R and -NHCOOR , wherein R , R are identical or different and mean an alkyl, cycloalkyl or aralkyl group; R is identical to R or is an alkoxy(poly)oxyalkylene group; and R ,R mean identical or different aliphatic groups with 1 to 18 carbon atoms or cycloaliphatic groups with 5 to 15 carbon atoms or aromatic groups with 6 to 15 carbon atoms; R means identical or different aliphatic groups with 2 to 20 carbon atoms and halogen or an alkoxy group; x is an integer from 0 to 4; and n is an integer from 0 to 10; and C) 0 to 75 wt % of conventional additives and processing aids, the total percentages of components A) to C) together amounting to 100 %.

公开(公告)号：DE4424042A1

公开(公告)日：1996-01-18

申请号：DE4424042

申请日：1994-07-11

Applicant: BASF AG

Inventor： HEITZ THOMAS DR ,  GLUECK ALEXANDER DR ,  HEITZ WALTER PROF DR ,  RICHTER RALF

IPC: C08G61/12 ,  C08G65/38