Patent ID: 9469722
Filing Date: 2016-10-18
CPC Classification: C07F,C08F,C08G

Claim Text:
1. A metal cyanide complex catalyst with the formula: wherein, M M L1 is an internal ligand which coordinates with M X is an anion selected from one or more of F L2 is an electron-donating neutral ligand with N, O, P and S as a coordinated atom, and coordinated with M Su is selected from one or more of halides, sulfates and nitrates of the IIA and IIIA group metal elements, lithium halide salts, silicon dioxide, titanium dioxide; L3 is a water-soluble polymer, a polymer that can self-assembly in a mixed solution of water and alcohol, or a mixed solution of water and ether, or a mixed solution of water, alcohol and ether; a and d are positive numbers, b is positive integer, c is 0, 1 or 2, m and n are positive numbers, x, y and z are zero or positive numbers, and a:d=1˜4, a:n=0.001˜5.