High strength and high tensile modulus fibers or poly(ethylene o

Details High strength and high tensile modulus fibers or poly(ethylene o High strength and high tensile modulus fibers or poly(ethylene o

1985-06-26

1986-10-28

Nielsen, Earl

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

264164, 528502, 528503, C08G 6530

Patent

active

046199888

ABSTRACT:
Strong fibers of poly(ethylene oxide) result from crystallization of the polymer of molecular weight of at least about 500,000 in a shear flow field. Using solutions of a polymer with a molecular weight greater than about 1,000,000, fibers with a tensile strength and tensile modulus of at least 0.1 and 0.5 GPa, respectively, can be readily obtained. Crystallization from a xylene solution within the range from about 35.degree. to about 45.degree. C. is particularly effective.

REFERENCES:
patent: 3509074 (1970-04-01), Kamio et al.
patent: 3624008 (1971-11-01), Damusis
patent: 4097652 (1978-06-01), Hartigan
patent: 4413110 (1983-11-01), Kavesh et al.
patent: 4440711 (1984-04-01), Kwon et al.
European Patent Application Publication No. 0077590.
Colloid and Polymer Science, 256, 729 (1978).

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