Industrial Technology Research Institute

Yen-Cheng Li

Li-Han Chung

Min-Fei Tsai

Yih-Her Chang

Po-Ling Shiao

Jyh-Horng Wu

Sheng-Lung Chang

Ming-Tsong Leu

Guan-You Lin

Chih-Hung Lee

Ang-Ta Tsai

Hung-Jen Liu

Feng-Jen Tsai

Ping-Yen Chen

A method of removing metal ions is provided, which includes contacting a metal removal composition with a solution containing metal ions for removing the metal ions from the solution, wherein the metal removal composition includes a polymer with a chemical structure of: wherein Q is a quinoline-based group, n=90&#x2dc;450, o=10&#x2dc;50, and p=0&#x2dc;20. The metal removal composition has a type of fiber or film. In addition, the metal removal composition has a porosity of 60% to 90%.

Polymer, metal removal composition, and method of removing metal ions

A method of forming a film is provided, which includes providing a sheet from a polyamide composition; and biaxial stretching of the sheet to form a film, wherein the polyamide composition includes a blend of a first polyamide and a second polyamide. The first polyamide has a repeating unit of and the second polyamide has repeating units of The second polyamide is a crystalline random copolymer. The sheet of the polyamide composition is biaxially stretched at a rate of 20 mm/sec to 100 mm/sec.

Polyamide composition and film and method for manufacturing the same

A multilayer composite membrane consists essentially of a porous support layer, an inorganic porous layer, a polymer porous layer, and a separation layer. The inorganic porous layer consists of inorganic particles and is disposed on the porous support layer. The polymer porous layer is disposed on the inorganic porous layer. The separation layer is disposed on the polymer porous layer.

Multilayer composite membrane

A composite film, a manufacturing method for the same, and a battery comprising the composite film are provided. The composite film includes a first layer and a second layer on a side of the first layer. The first layer includes a first polyolefin. The first polyolefin has an orientation function of at least 0.6. The first polyolefin has a repeating unit of wherein R is an alkyl group having 2, 3, 4, or 5 carbon atoms. The second layer includes a second polyolefin. The second polyolefin has an orientation function of at least 0.5. The second polyolefin has a repeating unit of wherein A is a hydrogen or a methyl group.

Composite film and manufacturing method for the same and battery comprising composite film

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Hsinchu, Taiwan

Yen-Cheng Li