METHOD FOR PRODUCING STYRENE POLYMER AND ORGANIC PEROXIDE THEREFOR

Japanese Patent JP3965089

B2

PROBLEM TO BE SOLVED: To provide a styrene polymer production method wherein a high-molecular-weight polymer having a low residual monomer content can be produced within a short time when used in the production of a styrene polymer and wherein scale deposition on a polymerization vessel is small in suspension polymerization and to provide an organic peroxide therefor.
SOLUTION: The styrene polymer production process comprises polymerizing a styrene monomer in the presence of a bifunctional perester organic peroxide represented by formula (1): R1-C(O)-OO-R2-OO-C(O)-R1 (wherein R1 is a phenyl group or a 1-13C alkyl group; the carbon atoms except the carbon atom in the α position may have side chains; the two R1s may be the same or different from each other; and R2 is a bivalent 3-8C alicyclic hydrocarbon residue which may be substituted with an alkyl group). The bifunctional perester organic peroxide represented by formula (1) is also provided.

WO/1999/052864	PEROXIDES, THEIR PREPARATION PROCESS AND USE
JPH07258211	NOVEL UNSATURATED PEROXIDE COMPOUND, POLYMERIC PEROXIDE DERIVED THEREFROM AND USE THEREOF

Akihiko Kimura
Tadanaga Ito

JP2002225929A

August 22, 2007

August 02, 2002

Click for automatic bibliography generation  

Kayaku Akzo Corporation

C07C409/38; C08F4/38; C08F4/36; C08F12/00; (IPC1-7): C08F4/36; C07C409/38; C08F12/00

JP4159304A
JP2000264926A
JP2002145919A

W. Cooper,1-hydroxycyclohexyl 1-Hydroperoxide: its Thermal Decomposition and its Reaction with Acyl Chlorides,Journal of the Chemical Society,英国,the Chemical Society,1951年 5月,第1340頁-第1343頁
Chemical Abstracts,米国,the American Chemical Society,1967年 1月 2日,第66巻第1号,第2625頁

Norio Saeki

Previous Patent: SURFACE PROFILE MEASURING DEVICE

Next Patent: FORM FORMING UNIT AND FORM FORMING METHOD USING THE FORM FORMING UNIT