Crosslinked poly(cyclic orthoester)s prepared by radical additions of poly(cyclic orthoester)s possessing exomethylene groups and dithiols efficiently depolymerized to bifunctional spiro orthoesters in the presence of trifluoroacetic acid in dichloromethane. Furthermore, the dithiol-linked bifunctio
✦ LIBER ✦
A Novel Approach for the Chemical Recycling of Polymeric Materials: The Network Polymer ⇄ Bifunctional Monomer Reversible System
✍ Scribed by Endo, Takeshi; Suzuki, Takashi; Sanda, Fumio; Takata, Toshikazu
- Book ID
- 126231960
- Publisher
- American Chemical Society
- Year
- 1996
- Tongue
- English
- Weight
- 90 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0024-9297
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A spiro orthoester having an ester moiety, 2-acetoxymethyl-1,4,6trioxaspiro[4.6]undecane (4) was synthesized, and its cationic polymerization and depolymerization of the obtained polymer (5) were carried out. The monomer 4 underwent cationic polymerization with a cationic catalyst to afford the corr