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Silver Chloroacetate: Crystal Structure and Thermal Polymerization Mechanism

✍ Scribed by Epple, Matthias ;Kirschnick, Holger


Publisher
Wiley (John Wiley & Sons)
Year
1997
Tongue
English
Weight
429 KB
Volume
130
Category
Article
ISSN
0009-2940

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✦ Synopsis


The structure of silver chloroacetate was determined by single-crystal X-ray structure analysis. This represents the first salt of a monohalogenoacetic acid with a monovalent metal whose structure was determined with high precision. The salt undergoes a thermally induced solid-state polymenzation to polyglycolide under elimination of silver chloride. A probable mechanism for a structure-determined reaction in the solid state is discussed.


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## Abstract Glycidol (2‐epoxy‐1‐propanol) was polymerized under the action of Lewis acids (BF~3~OEt~2,~, SnCl~4~) and protonic acids (CF~3~COOH, CF~3~SO~3~H). Polymers with number‐average molecular weights (__MΜ„__~n~) varying from 2500 to 6000 g/mol were obtained. The structure of obtained polymers