Oxetane compound, oxetane copolymer, and process for producing the oxetane compound
申请人:——
公开号:US20010002423A1
公开(公告)日:2001-05-31
Oxetane compounds represented by general formula (1), which are excellent in radical polymerizability and cationic polymerizability and in compatibility and copolymerizability with other copolymerizable monomers; a process for producing the compounds; and an oxetane copolymer which is excellent in compatibility among the monomer units and has a low water absorption and excellent transparency.
1
[In general formula (1), substituent R
1
is hydrogen, alkyl, fluorine, fluoroalkyl, allyl, aryl, furyl, or thienyl; substituents R
2
, R
3
, and R
4
each independently is hydrogen or C
1-6
alkyl; and m and n each is an integer of 1 to 10 (provided that not all of R
2
, R
3
, and R
4
are hydrogen)].
通式(1)代表的氧杂环丁烷化合物,其自由基聚合性和阳离子聚合性以及与其他可共聚单体的相容性和共聚性均非常优异;一种生产该化合物的工艺;以及一种氧杂环丁烷共聚物,其单体单元之间的相容性优异,且吸水性低、透明度高。
1
在通式(1)中,取代基 R
1
是氢、烷基、氟、氟烷基、烯丙基、芳基、呋喃基或噻吩基;取代基 R
2
, R
3
和 R
4
各自独立地为氢或 C
1-6
烷基;m 和 n 各为 1 至 10 的整数(前提是并非所有 R
2
, R
3
和 R
4
为氢)]。