Adsorbent

B - Operations – Transporting – 01 – J

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182/11, 260/758

B01J 20/26 (2006.01) C08F 8/00 (2006.01) C08F 20/54 (2006.01)

Patent

CA 1262367

- 62 - Abstract of the Disclosure This invention relates to an adsorbent obtained by water-insolubilizing a homopolymer of one of N,N-di- substituted (meth)acrylamides represented by the below- described formula, a copolymer of two or more of the N,N-di-substituted (meth)acrylamides or a copolymer of one or more of the N,N-di-substituted (meth)acrylamides and one or more copolymerizable monomers other than the N,N-di-substituted (meth)acrylamides: or Image wherein R1 means a hydrogen atom or methyl group, A stands for Image , n being 4 - 6, or Image , and R2 denotes a methyl or ethyl group. The thus- obtained adsorbent has such a property that it is hydrophobicized to have higher adsorbability when heated and its adsorbability drops when cooled.

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