MONOAXIALLY EXTENDED MOLDED POLYTETRAFLUOROETHYLENE PRODUCT Russian patent published in 1999 - IPC

Abstract RU 2135531 C1

FIELD: polymer materials. SUBSTANCE: product contains, as filler, talk and/or mica, and/or heat-resistant polyimide and/or elutriated chalk (maximum content of filler 40 wt %) and possesses strength in direction of extension at least 10 cN/tex. Product with elutriated chalk filler is suited to manufacturing dental complex threads. Material is brightly colored and has higher strength and lesser tendency toward cold flow as compared with analogous products with graphite filler. EFFECT: increased strength and hardness. 13 cl, 7 ex

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RU 2 135 531 C1

Authors

Marini Ingo

Vimmer Adal'Bert

Bakhmair Ezef

Dates

1999-08-27Published

1994-09-28Filed