公开(公告)号：AT241655T

公开(公告)日：2003-06-15

申请号：AT94115370

申请日：1994-09-29

Applicant: PHILLIPS PETROLEUM CO

Inventor： TREPKA WILLIAM J ,  MOCZYGEMBA GEORGE A ,  NASH LARRY L ,  DEPORTER CRAIG D ,  STACY NATHAN E ,  FARRAR RALPH C ,  SELMAN CHARLES M

IPC: C08F297/04

Abstract: A method for preparing resinous polymodal monovinylarene-conjugated diene block copolymers and polymers produced thereby are provided. The method comprises sequentially contacting under polymerization conditions: (a) a monovinylarene monomer and initiator; (b) initiator and a monovinylarene monomer; (c) a sequence of at least two charges selected from the group consisting of (i) initiator and a monovinylarene monomer, (ii) a mixture of monovinylarene monomer and conjugated diene monomer, (iii) a conjugated diene monomer, (iv) a monovinylarene monomer; (d) a coupling agent; wherein the sequence of at least two charges in step (c) can be made in any order. In a preferred embodiment, at least three initiator charges are provided. In another preferred embodiment, at least three monovinylarene charges precede the first charge containing conjugated diene. In another preferred embodiment, at least four monovinylarene charges precede the first charge containing conjugated diene.

公开(公告)号：AU5803399A

公开(公告)日：2000-05-01

申请号：AU5803399

申请日：1999-09-02

Applicant: PHILLIPS PETROLEUM CO

Inventor： AHMED IQBAL ,  MOCZYGEMBA GEORGE A ,  KUANG JIANXIN ,  NASH LARRY L

IPC: C08J5/00 ,  C08F297/04 ,  C08L53/02

Abstract: This invention provides a process to produce coupled block copolymers and said coupled block copolymers.

公开(公告)号：DE69507522D1

公开(公告)日：1999-03-11

申请号：DE69507522

申请日：1995-03-22

Applicant: PHILLIPS PETROLEUM CO

Inventor： DEPORTER CRAIG D ,  FARRAR RALPH C ,  STACY NATHAN A ,  MOCZYGEMBA GEORGE A

IPC: C08F297/04

Abstract: Preparing a polymer comprises: sequentially contacting under polymerisation conditions and in the presence of a randomiser; (a) a monovinylaromatic monomer and an initiator; (b) an initiator and a monovinylaromatic monomer; (c) a conjugated diene;(d) an initiator and a mixt. of monovinylaromatic monomer and conjugated diene monomer; (e) a conjugated diene; and (f) a coupling agent; and wherein no more than three initiator charges are present. Also claimed are: Copolymers produced as above. Articles made from the above polymer.

公开(公告)号：DE69415935D1

公开(公告)日：1999-02-25

申请号：DE69415935

申请日：1994-11-14

Applicant: PHILLIPS PETROLEUM CO

Inventor： TREPKA WILLIAM J ,  STACY NATHAN E ,  MOCZYGEMBA GEORGE A ,  FARRAR JR RALPH C

IPC: C08F8/44 ,  C08F297/02 ,  C08F297/04 ,  C08G81/02 ,  C08L25/04 ,  C08L25/06 ,  C08L53/02

Abstract: A method of preparing a polymer under solution polymerization conditions in a reaction zone comprising: (a) charging a monovinylaromatic monomer and an initiator in the presence of a randomizer; thereafter (b) charging an initiator and a monovinylaromatic monomer; thereafter (c) charging a mixture of a monovinylaromatic monomer and conjugated diene monomer; thereafter (d) optionally charging a mixture of monovinylaromatic monomer and conjugated diene monomer; and thereafter (e) charging the reaction mixture with a coupling agent, wherein in each of steps (a) and (d) polymerization is conducted until essentially no free monomer is present.

公开(公告)号：NO303227B1

公开(公告)日：1998-06-15

申请号：NO944630

申请日：1994-12-01

Applicant: PHILLIPS PETROLEUM CO

Inventor： MOCZYGEMBA GEORGE A ,  KNIGHT NANCY R ,  TREPKA WILLIAM J ,  STACY NATHAN E

IPC: C08F297/02 ,  C08F297/04

Abstract: A copolymer is prepd. in a reaction zone by: (a) introducing a monovinylaromatic monomer and an initiator in the presence of a randomiser and polymerising until no free monomer is present; (b) adding an initiator and a monovinylaromatic monomer and polymerising until no free monomer is present; (c) adding a mixt. of monovinylaromatic monomer and conjugated diene and polymerising until no free monomer is present; (d) adding a mixt. of monovinylaromatic monomer and conjugated diene monomer and polymerising until no free monomer is present; (e) adding a conjugated diene monomer and allowing complete polymerisation to occur until no free monomer is present; and (f) adding a coupling agent. Only two initiator charges are present and are added in steps (a) and (b). Also claimed are (i) polymodal copolymers produced by the method; (ii)-articles made from the copolymers, and (ii) a polymodal coupled block copolymer having chains resulting from coupling; S-S-B/S-B/S-B-Li S-B/S-B/S-B-Li S = monovinyl aromatic block; B = conjugated diene block; B/S = tapered B and S block; and Li = living polymer or coupling site.

公开(公告)号：CA2060020C

公开(公告)日：1996-09-17

申请号：CA2060020

申请日：1992-01-28

Applicant: PHILLIPS PETROLEUM CO

Inventor： TREPKA WILLIAM J ,  MOCZYGEMBA GEORGE A ,  FARRAR RALPH C JR

IPC: C08F297/04

Abstract: A method for preparing tapered block copolymers in a polymerization process by sequentially charging: (1) an initiator and monovinylaromatic monomers in the presence of a randomizer; (2) an initiator and a mixture of monovinylaromatic and conjugated diene monomers; (3) an initiator and a mixture of monovinylaromatic and conjugated diene monomers; and (4) a coupling agent to produce a polymodal tapered block copolymer. The copolymers are particularly useful for packaging applications which require good environmental stress crack resistance.

公开(公告)号：NO944630D0

公开(公告)日：1994-12-01

申请号：NO944630

申请日：1994-12-01

Applicant: PHILLIPS PETROLEUM CO

Inventor： MOCZYGEMBA GEORGE A ,  KNIGHT NANCY R ,  TREPKA WILLIAM J ,  STACY NATHAN E

IPC: C08F297/02 ,  C08F297/04 ,  C08F

Abstract: A copolymer is prepd. in a reaction zone by: (a) introducing a monovinylaromatic monomer and an initiator in the presence of a randomiser and polymerising until no free monomer is present; (b) adding an initiator and a monovinylaromatic monomer and polymerising until no free monomer is present; (c) adding a mixt. of monovinylaromatic monomer and conjugated diene and polymerising until no free monomer is present; (d) adding a mixt. of monovinylaromatic monomer and conjugated diene monomer and polymerising until no free monomer is present; (e) adding a conjugated diene monomer and allowing complete polymerisation to occur until no free monomer is present; and (f) adding a coupling agent. Only two initiator charges are present and are added in steps (a) and (b). Also claimed are (i) polymodal copolymers produced by the method; (ii)-articles made from the copolymers, and (ii) a polymodal coupled block copolymer having chains resulting from coupling; S-S-B/S-B/S-B-Li S-B/S-B/S-B-Li S = monovinyl aromatic block; B = conjugated diene block; B/S = tapered B and S block; and Li = living polymer or coupling site.

公开(公告)号：ES2126045T5

公开(公告)日：2003-07-16

申请号：ES94117957

申请日：1994-11-14

Applicant: PHILLIPS PETROLEUM CO

Inventor： TREPKA WILLIAM J ,  STACY NATHAN E ,  MOCZYGEMBA GEORGE A ,  FARRAR JR RALPH C

IPC: C08F8/44 ,  C08F297/02 ,  C08F297/04 ,  C08G81/02 ,  C08L25/04 ,  C08L25/06 ,  C08L53/02

Abstract: A method of preparing a polymer under solution polymerization conditions in a reaction zone comprising: (a) charging a monovinylaromatic monomer and an initiator in the presence of a randomizer; thereafter (b) charging an initiator and a monovinylaromatic monomer; thereafter (c) charging a mixture of a monovinylaromatic monomer and conjugated diene monomer; thereafter (d) optionally charging a mixture of monovinylaromatic monomer and conjugated diene monomer; and thereafter (e) charging the reaction mixture with a coupling agent, wherein in each of steps (a) and (d) polymerization is conducted until essentially no free monomer is present.

公开(公告)号：DE69432735D1

公开(公告)日：2003-07-03

申请号：DE69432735

申请日：1994-09-29

Applicant: PHILLIPS PETROLEUM CO

Inventor： TREPKA WILLIAM J ,  MOCZYGEMBA GEORGE A ,  NASH LARRY L ,  DEPORTER CRAIG D ,  STACY NATHAN E ,  FARRAR RALPH C ,  SELMAN CHARLES M

IPC: C08F297/04

Abstract: A method for preparing resinous polymodal monovinylarene-conjugated diene block copolymers and polymers produced thereby are provided. The method comprises sequentially contacting under polymerization conditions: (a) a monovinylarene monomer and initiator; (b) initiator and a monovinylarene monomer; (c) a sequence of at least two charges selected from the group consisting of (i) initiator and a monovinylarene monomer, (ii) a mixture of monovinylarene monomer and conjugated diene monomer, (iii) a conjugated diene monomer, (iv) a monovinylarene monomer; (d) a coupling agent; wherein the sequence of at least two charges in step (c) can be made in any order. In a preferred embodiment, at least three initiator charges are provided. In another preferred embodiment, at least three monovinylarene charges precede the first charge containing conjugated diene. In another preferred embodiment, at least four monovinylarene charges precede the first charge containing conjugated diene.

公开(公告)号：BR9915549A

公开(公告)日：2001-10-30

申请号：BR9915549

申请日：1999-09-02

Applicant: PHILLIPS PETROLEUM CO

Inventor： AHMED IQBAL ,  MOCZYGEMBA GEORGE A ,  KUANG JIANXIN ,  NASH LARRY L

IPC: C08J5/00 ,  C08F297/04 ,  C08L53/02 ,  C08F293/00

Abstract: This invention provides a process to produce coupled block copolymers and said coupled block copolymers.