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Synthesis of Chiral and Racemic Functional Polymers from Glycidol and Thioglycidol by Daniel Taton; Alain Le Borgne; Maurice Sepulchre; Nicolas Spassky is a Materials Science article available to read on EtoBox.
What is Synthesis of Chiral and Racemic Functional Polymers from Glycidol and Thioglycidol about?
## Abstract Racemic and optically active protected glycidols (as 1‐ethoxyethyl ethers) are readily polymerized with anionic initiators (e.g., CsOH). Polymers with molecular weights up to 30 000 are obtained without cleavage of the protective group. Oligomers (degree of polymerization [DP~n~] 5 to 10) are prepared using an aluminium complex derived from a Schiff's base. The protected thioglycidol (synthesized from the protected glycidol) leads to very high‐molecular‐weight polymers (150 000–320 000) using anionic or anionic coordinated initiators. Copolymers of protected glycidol with ethylene oxide are obtained with KOH as initiator. Regeneration of hydroxyl groups in polymers is carried out with acidic cleavage. Treatment of protected polyglycidol with formic acid leads first to the formate of polyglycidol. Then, after saponification, pure polyglycidol is obtained. The use of aqueous hydrochloric acid leads directly to the free polymer.
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It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Daniel Taton; Alain Le Borgne; Maurice Sepulchre; Nicolas Spassky
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1022-1352)
- Published
- 1994
- Language
- EN
- Field
- Materials Science (Physical Sciences)