公开(公告)号：WO1995000575A1

公开(公告)日：1995-01-05

申请号：PCT/US1994006556

申请日：1994-06-13

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： EASTMAN CHEMICAL COMPANY ,  YAU, Cheuk, Chung ,  CHERRY, Clinton

IPC: C08G63/82

CPC classification number: C08G63/82 ,  C08G63/199 ,  C08G63/83 ,  C08G63/85 ,  Y10T428/24

Abstract: Disclosed is a process for producing copolyesters having repeat units from a dicarboxylic acid component comprising at least 90 mol % terephthalic acid and a glycol component comprising about 10-95 mol % 1,4-cyclo-hexanedimethanol and from about 90-5 mol % ethylene glycol comprising reacting the dicarboxylic acid component and the glycol component at temperatures sufficient to effect esterification or transesterification and polycondensing the reaction product in the presence of a catalyst and inhibitor system consisting essentially of Mn, Zn, Ti, Ge and P, all parts by weight based on the weight of the copolyester.

Abstract translation: 公开了一种制备具有重复单元的共聚酯的方法，所述共聚酯由二羧酸组分组成，所述二羧酸组分包含至少90mol％的对苯二甲酸和含有约10-95mol％1,4-环己二甲醇和约90-5mol％乙烯的二元醇组分 乙二醇，其包括使二羧酸组分和二元醇组分在足以在催化剂和基本上由Mn，Zn，Ti，Ge和P组成的抑制剂体系的存在下进行酯化反应或酯交换并缩聚反应产物的温度，所有重量份 基于共聚酯的重量。

公开(公告)号：WO1994025502A1

公开(公告)日：1994-11-10

申请号：PCT/US1994004114

申请日：1994-04-15

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： EASTMAN CHEMICAL COMPANY ,  YAU, Cheuk, Chung ,  CHERRY, Clinton

IPC: C08G63/82

CPC classification number: C08G63/82 ,  Y10T428/24628 ,  Y10T428/249921

Abstract: Disclosed is a process for producing copolyesters having repeat units from a dicarboxylic acid component comprising at least 90 mol % terephthalic acid and a glycol component comprising about 10-95 mol %, 1,4-cyclohexanedimethanol and from about 90-5 mol % ethylene glycol comprising reacting the dicarboxylic acid component and the glycol component at temperatures sufficient to effect esterification or transesterification and polycondensing the reaction product in the presence of a catalyst and inhibitor system consisting of Mn, Zn, Ti, Ge and P, all parts by weight based on the weight of the copolyester.

Abstract translation: 公开了一种制备具有重复单元的共聚酯的方法，所述共聚酯包含至少90mol％对苯二甲酸和包含约10-95mol％1,4-环己烷二甲醇和约90-5mol％乙二醇的二醇组分的二羧酸组分 包括使二羧酸组分和二元醇组分在足以在催化剂存在下进行酯化反应或酯交换反应产生缩聚反应的温度下进行缩聚反应，并在Mn，Zn，Ti，Ge和P组成的抑制剂体系下，基于 共聚酯的重量。

公开(公告)号：EP0677079B1

公开(公告)日：1999-04-14

申请号：EP94905990.1

申请日：1994-01-03

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： YAU, Cheuk, Chung ,  CHERRY, Clinton

IPC: C08G63/80

CPC classification number: C08G63/80

Abstract: Disclosed is an improvement in a process for producing linear polyesters wherein a precursor polyester is first formed and subsequently the precursor polyester is formed into particles and further polymerized in the solid state, wherein the improvement comprises contacting the particles while at a temperature of about 140 to about 2 DEG C below the melting point of the polyester with the vapor of water or an organic compound having at least one OH group.

公开(公告)号：EP0677079A1

公开(公告)日：1995-10-18

申请号：EP94905990.0

申请日：1994-01-03

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： YAU, Cheuk, Chung ,  CHERRY, Clinton

IPC: C08G63

CPC classification number: C08G63/80

Abstract: Disclosed is an improvement in a process for producing linear polyesters wherein a precursor polyester is first formed and subsequently the precursor polyester is formed into particles and further polymerized in the solid state, wherein the improvement comprises contacting the particles while at a temperature of about 140 to about 2 °C below the melting point of the polyester with the vapor of water or an organic compound having at least one OH group.

公开(公告)号：EP1023362B1

公开(公告)日：2003-02-12

申请号：EP98950731.4

申请日：1998-09-28

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： WILSON, Bruce, Edwin ,  CHERRY, Clinton

IPC: C08J5/04 ,  C08K7/04 ,  C08L67/02 ,  C08L101/00

CPC classification number: C08L67/02 ,  C08L67/00

Abstract: A process for lessening shear-induced reduction of fiber length in a melt processable, fiber reinforced polymer composition, and compositions useful in and obtained from such process, comprising the steps of: admixing a first polymer, the first polymer being a thermoplastic polymer, with a second polymer being TLCP, and a reinforcing fiber; and subjecting the composition to shear, wherein the first and second polymers have melt processing ranges that overlap over an overlapping melt processing range; and the second polymer is partly immiscible with or immiscible with the first polymer when mixed with the first polymer within the overlapping melt processing range.

公开(公告)号：EP0842211B1

公开(公告)日：2002-05-22

申请号：EP96926822.6

申请日：1996-07-31

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： NELSON, Gregory, Wayne ,  CHERRY, Clinton ,  OLSEN, Eric, Gray

IPC: C08G63/90 ,  C08G63/183 ,  C08G63/199 ,  B29C47/76

CPC classification number: B29C47/767 ,  B29C47/0009 ,  B29C47/6018 ,  B29K2105/0002 ,  C08G63/90

Abstract: Disclosed is a process for removing acetaldehyde from polyester which comprises the steps of: (a) transporting molten polyester to a vented, continuous screw conveyor having a polymer compression zone, (b) rotating the screw of said conveyor so as to compress and convey through the extruder the molten polymer for a time of less than 15 minutes and at a temperature of less than 300 °C, (c) simultaneously with step (b), flowing a purge agent into and out of said extruder to thereby remove volatile impurities and avoid appreciable build-up of acetaldehyde, and (d) conveying the devolatized polymer melt to a mold wherein an article of manufacture is formed.

公开(公告)号：EP0677078A1

公开(公告)日：1995-10-18

申请号：EP94905988.0

申请日：1994-01-03

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： YAU, Cheuk, Chung ,  CHERRY, Clinton

IPC: C08G63

CPC classification number: C08G63/80

Abstract: Disclosed is an improvement in a process for producing branched polyesters wherein a precursor polyester is first formed and subsequently the precursor polyester is formed into particles and further polymerized in the solid state, wherein the improvement comprises contacting the particles while at a temperature of about 140 to about 2 DEG C below the melting point of the polyester with the vapor of water or an organic compound having at least one OH group.

公开(公告)号：EP1023362A1

公开(公告)日：2000-08-02

申请号：EP98950731.4

申请日：1998-09-28

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： WILSON, Bruce, Edwin ,  CHERRY, Clinton

IPC: C08J5/04 ,  C08K7/04 ,  C08L67/02 ,  C08L101/00

CPC classification number: C08L67/02 ,  C08L67/00

Abstract: A process for lessening shear-induced reduction of fiber length in a melt processable, fiber reinforced polymer composition, and compositions useful in and obtained from such process, comprising the steps of: admixing a first polymer, the first polymer being a thermoplastic polymer, with a second polymer being TLCP, and a reinforcing fiber; and subjecting the composition to shear, wherein the first and second polymers have melt processing ranges that overlap over an overlapping melt processing range; and the second polymer is partly immiscible with or immiscible with the first polymer when mixed with the first polymer within the overlapping melt processing range.

公开(公告)号：EP0677078B1

公开(公告)日：1997-08-27

申请号：EP94905988.5

申请日：1994-01-03

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： YAU, Cheuk, Chung ,  CHERRY, Clinton

IPC: C08G63/80

CPC classification number: C08G63/80

Abstract: Disclosed is an improvement in a process for producing branched polyesters wherein a precursor polyester is first formed and subsequently the precursor polyester is formed into particles and further polymerized in the solid state, wherein the improvement comprises contacting the particles while at a temperature of about 140 to about 2 °C below the melting point of the polyester with the vapor of water or an organic compound having at least one OH group.

公开(公告)号：EP0696296A1

公开(公告)日：1996-02-14

申请号：EP94916531.0

申请日：1994-04-15

Applicant: EASTMAN CHEMICAL COMPANY

Inventor： YAU, Cheuk, Chung ,  CHERRY, Clinton

IPC: C08J5 ,  C08G63

CPC classification number: C08G63/82 ,  Y10T428/24628 ,  Y10T428/249921

Abstract: Disclosed is a process for producing copolyesters having repeat units from a dicarboxylic acid component comprising at least 90 mol % terephthalic acid and a glycol component comprising about 10-95 mol %, 1,4-cyclohexanedimethanol and from about 90-5 mol % ethylene glycol comprising reacting the dicarboxylic acid component and the glycol component at temperatures sufficient to effect esterification or transesterification and polycondensing the reaction product in the presence of a catalyst and inhibitor system consisting of Mn, Zn, Ti, Ge and P, all parts by weight based on the weight of the copolyester.