Process for production of alkyllene oxide polymers
AssigneeSumitomo Seika Chemicals Co., Ltd.
InventorsShigeki Hamamoto, Nobutaka Fujimoto, Makoto Katou, Kazuyuki Miura
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Abstract
According to a process for production of alkylene oxide polymers offered by the present invention, an alkylene oxide is subjected to a polymerization reaction under presence of a catalyst in a solvent containing an aliphatic hydrocarbon having from five to seven carbon atoms and a branched structure. The aliphatic hydrocarbon is provided preferably by 2-methyl pentane, 3-methyl pentane, 2,3-dimethyl pentane, 2,4-dimethyl pentane, etc. The alkylene oxide is provided preferably by ethylene oxides and/or propylene oxides.
Claims7
A process for production of alkylene oxide polymers, wherein an alkylene oxide is subjected to a polymerization reaction in the presence of a catalyst in a solvent containing an aliphatic hydrocarbon having from five to seven carbon atoms and a branched structure;
- wherein the aliphatic hydrocarbon is at least one selected from a group consisting of 2-methyl pentane, 3-methyl pentane, 2,3-dimethyl pentane and 2,4-dimethyl pentane;
- and
- wherein the catalyst comprises a zinc compound obtained by reaction between an organic zinc compound and alcohol.
Dependencies are inferred from the claim text.