Birch, Stewart, Kolasch & Birch, LLP
Separation membrane, sheet channel material, and separation membrane element
The present invention provides a separation membrane and a separation membrane element capable of exhibiting a good water production performance even at a high temperature and also excellent handleability and quality. The separation membrane of the present invention includes a separation membrane main body having a feed-side face and a permeate-side face; and a permeate-side channel member fixed onto the permeate-side face of the separation membrane main body, and the permeate-side channel member includes polypropylene as a main component and satisfies the following requirements (a) to (c): (a) a softening point temperature is 60° C. or higher; (b) a tensile elongation in a standard state is 10% or more; and (c) a yield point stress under a wet condition at 50° C. is 2 MPa or more.
TORAY INDUSTRIES, INC.
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Yoshiki Hiroho Yoshie Masahiro Kentaro Hiroyuki Shunsuke Takao Hiroshi Akira
Okamoto Hirozawa Marutani Kimura Takagi Yamada Tabayashi Sasaki Umetani Katayama