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US 10,308,800 B2Granted
Processing aid
AssigneeDaikin Industries, Ltd.
InventorsKen Okanishi, Yoshichika Komiya, Takafumi Yamato, Tsuyoshi Miyamori
Life of this patent
Estimating the term…
Abstract
The invention provides a processing aid enabling short-time disappearance of melt fracture occurred in extrusion-molding a melt-fabricable resin at a high shear rate, a great reduction in extrusion pressure, and production of molded articles with good appearance. The processing aid contains a polymer containing a fluorine-containing elastomeric polymer segment and a fluorine-containing non-elastomeric polymer segment.
Claims10
A processing aid for extrusion-molding a polyolefin resin, comprising
- a polymer containing a fluorine-containing elastomeric polymer segment and a fluorine-containing non-elastomeric polymer segment, and
- 1 to 99 mass % of a surfactant, wherein the surfactant is a poly(oxyalkylene).
Dependencies are inferred from the claim text.