Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1988-03-09
1989-09-05
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526 77, 526285, C08F 236, C08F13802
Patent
active
048640042
ABSTRACT:
Acetylene can be polymerized into a polyacetylene by a solid-state polymerization reaction when it is compressed into a solid under a high pressure of, for example, 1 GPa or higher. The polyacetylene product is obtained in a bulky transparent form in contrast to conventional polyacetylenes in a fibrous form prepared by utilizing a Ziegler-Natta catalyst, and free from impurities because neither catalyst nor solvent is used in the reaction.
REFERENCES:
Ito et al., Simultaneous Polymerization and Formation of Polyacetylene Film on the Surface of Concentrated Soluble Ziegler-Type Catalyst Solution, J. Polym. Sci., Polym. Chem. Ed., 12, 11-20 (1974).
Akoi Katsutoshi
Fujiwara Shuzo
Kakudate Yozo
Tanaka Katsumi
Usuba Shu
Japan as represented by Director General of Agency of Industrial
Schofer Joseph L.
Teskin F. M.
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