Polymer and a membrane having an improved gas-permeability and s

Details Polymer and a membrane having an improved gas-permeability and s Polymer and a membrane having an improved gas-permeability and s

1987-05-15

1988-10-18

Anderson, Harold D.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526285, C08F23008, C08F23000

Patent

active

047788682

ABSTRACT:
A permselective membrane having an improved gas-permeability and selectivity is obtained from a polymer of 1-alkyldimethylsilyl-1-propyne.

REFERENCES:
patent: 3611676 (1971-10-01), Christen et al.
patent: 4199448 (1980-04-01), Johnson et al.
patent: 4239793 (1980-12-01), Matsuura et al.
patent: 4567245 (1986-01-01), Takamizawa
Macromolecules (1985), 18, pp. 841-845; "Polymerization of 1-(Trimethylsilyl)-1-propyne by Halides of Niobium (V) and Tantalum(V) and Polymer Properties".
Acc. Chem. Res. (1984), 17, pp. 51-56; "Synthesis of High Polymers from Substituted Acetylenes: Exploitation of Molybdenum- and Tungsten-Based Catalysts".
Polymer Bulletin, 10, pp. 114-117, (1983), "Gas Permeability of Polyacetylenes with Bulky Substituents," Toshinobu Higashimura et al.
J. Am. Chem. Soc.,(1983), 105, pp. 7473-7474, Toshio Masuda et al, "Poly[1-(trimethylsilyl)-1-propyne]: A New High Polymer Synthesized with Transition-Metal Catalysts and Characterized by Extremely High Gas Permeability".

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