公开(公告)号：US3773694A

公开(公告)日：1973-11-20

申请号：US3773694D

申请日：1971-07-07

Applicant: OSAKA SODA CO LTD

Inventor： NAKATA T ,  KAWAMATA K

IPC: C07F9/06 ,  C07F9/08 ,  C08F4/58 ,  C08G65/12 ,  C08G23/14

CPC classification number: C07F9/08 ,  C07F9/06 ,  C08G65/12

Abstract: A method for the polymerization of vicinal alkylene oxides using a polymerization catalyst which is the reaction product of an organotin compound (A) with an esterified product (B), the organotin compound (A) containing at least one tin-to-carbon bond in its molecule, and the esterified product (B) being a completely or partially esterified product of oxyacid of phosphorus or derivative thereof, or a combination of reactants capable of forming such ester or derivative.

公开(公告)号：US3766101A

公开(公告)日：1973-10-16

申请号：US3766101D

申请日：1971-06-08

Applicant: JAPANESE GEON CO LTD ,  OSAKA SODA CO LTD

Inventor： KOMAI H ,  KIMURA N ,  YAMAMOTO H ,  USUI T ,  HOSOZAWA H ,  NAKATA T

IPC: C08G65/00 ,  C08G65/02 ,  C08G65/12 ,  C08G23/14

CPC classification number: C08G65/12

Abstract: A PROCESS FOR THE PREPARATION OF HOMOPOLYMER OR COPOLYMER OF AN ALKYLENE OXIDE BY POLYMERIZING AT LEAST ONE ALKYLENE OXIDE INTHE PRESENCE OF CATALYST, THE CATALYST COMPRISING THE COMPOSITION FORMED BY MIXING THE REACTION PRODUCT (COMPONENT 1) OBTAINED BY REACTING AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ORGANOTIN COMPOUND CONTAINING AT LEAST ONE SN-C LINKAGE IN ITS MOLECULE, AND HALIDES OF TITANIUM, ZIRCONIUM, HAFNIUM, OR TIN, WITH A PHOSPHORIC ACID ESTER IN WHICH THE ORGANIC RADICAL CONTAINS 1-12 CARBON ATOMS; WITH A COMPOUND (COMPONENT 2) SELECED FROM THE GROP CONSISTING OF ALKYLATION PRODUCTS OF ZINIC, MAGNESIUM, ALUMINUM, TITANIUM, SILICON OR TIN, ALKOXIDES OF ZINC, MAGNESIUM, ALUMINUM, TITANIUM, SILICON OR TIN, OR HALIDES OF TITANIUM, ZICONIUM OR TIN.