A kind of cellulose-based tio2/β-cd double network gel cage microsphere and its preparation method and application
A cellulose-based and cellulose technology, applied in the field of gel microspheres and its preparation, can solve the problems of high cost and non-recyclable use of adsorbents, and achieve good surface uniformity, long-term storage, and good water retention performance Effect
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specific Embodiment approach 1
[0042] Specific implementation mode 1: In this implementation mode, cellulose-based TiO 2 / β-CD double network gel cage microspheres are composed of hydroxyethyl cellulose, carboxymethyl cellulose, crosslinking agent, initiator, TiO 2 / β-CD complex suspension and deionized water; wherein the mass ratio of hydroxyethyl cellulose and carboxymethyl cellulose is (6-8): (2-4), and the mass ratio of hydroxyethyl cellulose The volume ratio of mass to cross-linking agent is (0.6-0.8) g: (3-5) mL, and the volume ratio of hydroxyethyl cellulose to initiator is (0.6-0.8) g: (3-5) mL , the mass of hydroxyethyl cellulose and TiO 2 The volume ratio of / β-CD complex suspension is (0.6~0.8)g: (10~15)mL, the volume ratio of the mass of hydroxyethyl cellulose to deionized water is (0.6~0.8)g:( 10-20) mL.
specific Embodiment approach 2
[0043] Embodiment 2: This embodiment is different from Embodiment 1 in that: the crosslinking agent is epichlorohydrin. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0044] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the initiator is 10 mol / L NaOH solution. Others are the same as in the first or second embodiment.
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