Bicycloaliphatic 2-methylene-1,3-dioxepanes
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United States of America Patent
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Dec 30, 1997
Grant Date -
N/A
app pub date -
Oct 25, 1995
filing date -
Oct 26, 1994
priority date (Note) -
Expired
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Abstract
The present invention relates to novel bicycloaliphatic 2-methylene-1,3-dioxepanes, which are suitable as starting materials for the preparation of polymers and copolymers, preferably of composite and dental materials. The 2-methylene-1,3-dioxepanes according to the invention, which can undergo radical polymerisation with ring opening with only very little volume shrinkage, can be prepared in a simple manner, are easy to purify and to modify chemically, and are characterised by lack of odour and advantageous physical properties.
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