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US 2018/0250866 A1Published application
Kneading apparatus and method of producing kneaded material
AssigneeSumitomo Chemical Company, Limited
InventorsHirohiko HASEGAWA, Shinichi YAMATE, Takuya AKIYAMA
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Abstract
A kneading apparatus (21) that makes it possible to easily obtain a kneaded material having a favorable property includes: a screw (23) for extruding polyethylene which has been fed through a feed opening (27); a first heater (24) for heating the polyethylene which is extruded by the screw (23); and a second heater (25) for preheating liquid paraffin which is to be added, through a side-feed opening (28), to the polyethylene which is extruded by the screw (23).
Claims11
A kneading apparatus comprising:
- a screw for extruding a resin material which has been fed through a feed opening;
- a first heater for heating the resin material which is extruded by the screw;
- and
- a second heater for preheating a plasticizer which is to be fed through a side-feed opening provided on a downstream side of the feed opening, the plasticizer being added to the resin material which is concurrently heated by the first heater and extruded by the screw.
1 more element
A method of producing a kneaded material, comprising the steps of:
- extruding, by a screw, a resin material which has been fed through a feed opening;
- heating the resin material which is extruded by the screw;
- and
- adding a plasticizer, through a side-feed opening provided on a downstream side of the feed opening, to the resin material which is concurrently heated by the step of heating and extruded by the screw, the plasticizer having been heated prior to the step of adding the plasticizer.
1 more element
Dependencies are inferred from the claim text.