FIELD: polymer materials.
SUBSTANCE: invention provides polytetrafluoroethylene having high stretching ability, fibrillation ability, and processibility in non-molten state. Optionally has standard specific density at most 2.160, breaking point on stretching from 32.0 N (3.26 kg strength) to 49.0 N (5.0 kg strength), and endothermal coefficient equal to 0.15 or below. Invention also concerns high-strength porous material prepared from above polymer.
EFFECT: enabled preparation of above-defined polymer.
10 cl, 1 tbl, 6 ex
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Year |
Author |
Number |
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2018 |
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