Title:
METHOD FOR PRODUCING THERMOPLASTIC RESIN FILM
Document Type and Number:
WIPO Patent Application WO/2011/125963
Kind Code:
A1
Abstract:
Provided is a method for producing a film containing a thermoplastic resin, wherein the method comprises a step for supplying a material which contains a thermoplastic resin and has a pair of opposing flat portions, between a pair of rolls under the condition that the thermoplastic resin is melted, and a step for forming one integrated film by rolling the material by the pair of rolls while joining the pair of flat portions, and fusing the flat portions, and wherein the material to be supplied to the rolls comprises two separate films having flat portions or one flat cylindrical film having a pair of opposing flat portions which have end portions connected by a connecting portion.
Inventors:
TAKATA, Atsuhiro (4-152, Tokutsune-cho Niihama-sh, Ehime 22, 〒7920022, JP)
高田 敦弘 (〒22 愛媛県新居浜市徳常町４－１５２ Ehime, 〒7920022, JP)
SUZUKI, Toshihiko (1-9-1105, Yushudainishi Ichihara-sh, Chiba 25, 〒2990125, JP)
高田 敦弘 (〒22 愛媛県新居浜市徳常町４－１５２ Ehime, 〒7920022, JP)
SUZUKI, Toshihiko (1-9-1105, Yushudainishi Ichihara-sh, Chiba 25, 〒2990125, JP)
Application Number:
JP2011/058489
Publication Date:
October 13, 2011
Filing Date:
March 29, 2011
Export Citation:
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-k, Tokyo 60, 〒1048260, JP)
住友化学株式会社 (〒60 東京都中央区新川二丁目２７番１号 Tokyo, 〒1048260, JP)
TAKATA, Atsuhiro (4-152, Tokutsune-cho Niihama-sh, Ehime 22, 〒7920022, JP)
高田 敦弘 (〒22 愛媛県新居浜市徳常町４－１５２ Ehime, 〒7920022, JP)
住友化学株式会社 (〒60 東京都中央区新川二丁目２７番１号 Tokyo, 〒1048260, JP)
TAKATA, Atsuhiro (4-152, Tokutsune-cho Niihama-sh, Ehime 22, 〒7920022, JP)
高田 敦弘 (〒22 愛媛県新居浜市徳常町４－１５２ Ehime, 〒7920022, JP)
International Classes:
B29C43/22; B29C43/34; B29C47/14; B29C47/88; B29C55/18; H01M2/16; B29L7/00
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (Limited 5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 50, 〒5418550, JP)
Claims: