Soluble silylated polyacetylene derivatives and their use as per

Details Soluble silylated polyacetylene derivatives and their use as per Soluble silylated polyacetylene derivatives and their use as per

1986-09-22

1989-09-12

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526258, 526266, 526274, C08F 2806, C08F13008, C08F23008

Patent

active

048661473

ABSTRACT:
Polymerization of acetylenic monomers is achieved by using a catalyst which is the reaction product of a tungsten compound and a reducing agent effective to reduce W(VI) to W(III and/or IV), e.g., WCl.sub.6.(organo-Li, organo-Mg or polysilane). The resultant silylated polymers are of heretofore unachievable high molecular weight and can be used as precursors to a wide variety of new acetylenic polymers by application of substitution reactions.

REFERENCES:
patent: 4410640 (1983-10-01), Kobayashi et al.
patent: 4591440 (1986-05-01), Higashimura et al.
patent: 4607088 (1986-08-01), Nomura et al.
J. Am. Chem. Soc., 1983, 105, pp. 7473-7474, Dec. 13, 1983.
Ikano et al., Trans. of Polymer Preprint, Japan, vol. 31, No. 6, pp. 1189-1192.
Acc. Chem. Res., 1984, vol. 17, pp. 51-56, Mosuda et al.

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