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(19)United States

(12)PatentApplicationPublication (10)Pub.No.:US2006/0194934A1

JACHUCK etal.

(54) IMPROVEMENTS RELATING TO POLYMERISATION REACTIONS

(76) Inventors: Roshan,Jeet,JeeJACHUCK, Newcastle Upon Tyne (GB); Michael

Jones, Hertfordshire (GB); Ian Henderson, Middlesbrough (GB)

CorrespondenceAddress:

GARVEY SMITH NEHRBASS & NORTH, LLC

LAKEWAY3,SUITE3290

3838 NORTH CAUSEWAY BLVD. METAIRIE, LA 70002 (US)

(43)Pub.Date: Aug.31,2006

international application No. PCT/GB02/03341, ?led on Jul. 22, 2002.

(30) ForeignApplicationPriorityData

Jul. 20, 2001 (GB) .. GB0117642.9

Publication Classi?cation

(51) Int.Cl.

C08F 2/00 (2006.01)

(52) US. Cl. ..526/88; 526/67; 427/240

(57) ABSTRACT

A method of conducting polymerisation reactions on a rotatingsurfacereactorWhichalloWssubstantiallyincreased conversions (up to around 99%) to be achieved Without a corresponding increase in polydispersity as Would be expected as a result of the TrommsdoriT-Norrish e?‘ect. The rotating surface reactor serves to disentangle and/or stretch groWing polymer chains so as to result in better control over polymerisationkinetics.

e9

(21) Appl.No.:

(22) Filed:

11/382,434

May9,2006

Related US. Application Data

(63) ContinuationofapplicationNo.10/484,611,?ledon Jan. 20, 2004, noW Pat. No. 7,041,751, ?led as 371 of

F1

US 20060194934A1

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