Industrial Technology Research Institute

Ting-Ting Chang

Yi-Chun Liu

Tien-Shou Shieh

Mei-Chih Peng

Pei-Ching Liu

Kuan-Foo Chang

Cheng-Chin Chang

A hydrophobic polyvinyl alcohol and a method for preparing hydrophobic polyvinyl alcohol are provided. The hydrophobic polyvinyl alcohol includes a first repeat unit represented by Formula (I), a second repeat unit represented by Formula (II), and a third repeat unit represented by Formula (III) wherein Ris &#x2014;Si(R), Ris independently Calkoxy group, Calkyl group, or Calkenyl group, and at least one Ris Calkyl group or Calkenyl group; Rand Rare independently Calkyl group or Calkenyl group; j is 3 to 7; and k is 1 to 30.

Hydrophobic polyvinyl alcohol and method for preparing hydrophobic polyvinyl alcohol

A microbial carrier and a device for treating wastewater are provided. The microbial carrier includes a bacteriophilic material and a plurality of foam cells, wherein the foam cells are disposed in the bacteriophilic material. The bactericidal material is a reaction product of a composite, wherein the composition includes a hydrophobic polyvinyl alcohol and a cross-linking agent, wherein the surface energy of the hydrophobic polyvinyl alcohol is 30 mJ/mto 58 mJ/m.

Microbial carrier and device for treating wastewater

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Taichung, Taiwan

Ting-Ting Chang