Title:
モノ置換フッ素化オキセタンモノマー
Document Type and Number:
Japanese Patent JP4460249
Kind Code:
B2
Abstract:
This application is directed to novel fluorinated polymers and prepolymers derived from mono-substituted oxetane monomers having fluorinated alkoxymethylene side-chains and the method of making these compositions. The mono-substituted fluorinated oxetane monomers having fluorinated alkoxymethylene side-chains are prepared in high yield by the reaction of a fluorinated alkoxides with either 3-halomethyl-3-methyloxetane premonomers or aryl sulfonate derivative of 3-hydroxymethyl-3-methyloxetane premonomers. Preparation of a mono-substituted 3-bromomethyl-3-methyloxetane premonomer via a simple, high yield process amenable to commercial scaleup is also disclosed. The fluorinated oxetane monomers of this invention can be readily homo/co-polymerized in the presence of a Lewis acid and polyhydroxy compounds to obtain hydroxy-terminated polyether prepolymers having fluorinated alkoxymethylene side chains. Additionally, the fluorinated oxetane monomers can be copolymerized with non-fluorinated monomers such as tetrahydrofuran to give polyether prepolymers with improved hydrocarbon compatibility. These prepolymers are polydisperse and exhibit number average molecular weights from 5,000 to about 50,000. These prepolymers are amorphous oils with primary hydroxy end-groups and thus function efficiently as the soft block for the synthesis of a variety of thermoset/thermoplastic elastomers and plastics having the characteristics of very low surface energy, high hydrophobicity, low glasss transition temperature and low coefficient of friction. The polyurethanes derived from the prepolymers of this invention are elastomeric and, in addition to the above characteristics, exhibit high moisture resistance, high tear strength and excellent adhesion to a variety of substrates.
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Inventors:
Marrick, Aslam A.
Mancer, Gerald E.
Archbold, Thomas G.
Duffy-Mutsner, Jetty El.
Harvey, William Elle.
Grec, Gary Jay.
Carlson, Ronald Pee.
Mancer, Gerald E.
Archbold, Thomas G.
Duffy-Mutsner, Jetty El.
Harvey, William Elle.
Grec, Gary Jay.
Carlson, Ronald Pee.
Application Number:
JP2003326937A
Publication Date:
May 12, 2010
Filing Date:
September 18, 2003
Export Citation:
Assignee:
Unpack Fine Chemicals Limited Liability Company
International Classes:
C08G65/18; C07B61/00; C07D305/06; C08G18/10; C08G18/50; C08G18/66; C08G65/00; C08G65/20; C08G65/22; C09D175/06
Domestic Patent References:
| JP6263867A | ||||
| JP2097586A |
Foreign References:
| US4483978 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Yoshihiro Kobayashi
Satoshi Deno
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Yoshihiro Kobayashi
Satoshi Deno