High strength, high modulus polymeric material in continuous len

Details High strength, high modulus polymeric material in continuous len High strength, high modulus polymeric material in continuous len

1985-02-25

1987-05-26

Phynes, Lucille M.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

264557, 264562, 264567, 264570, C08G 400

Patent

active

046687610

ABSTRACT:
A polyacetal copolymer of continuous length is disclosed. The copolymer has an apparent density of 1.20 to 1.46 g/cm.sup.3, and a tensile modulus (X) of 19 GPA or more and a density change percentage (Y) of 85% or more. The relationship between the density change percentage (Y) and the tensile modulus (X) is defined by the following relationship:

REFERENCES:
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patent: 4111023 (1978-09-01), Moreau
patent: 4195158 (1980-03-01), Burg et al.
patent: 4356143 (1982-10-01), Hill et al.
Polymer Engineering and Science, vol. 8, No. 4, Oct. 1968, pp. 290-301.
Polymer Engineering and Science, vol. 14, No. 10, Oct. 1974, pp. 682-686.
Journal of Applied Polymer Science, vol. 26, 1981, pp. 2879-2896.

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