Fluorosulphonated nitrile crosslinkable elastomers based on vinylidene fluorine with low tg and methods for preparing same
申请人:——
公开号:US20040097675A1
公开(公告)日:2004-05-20
Monomers corresponding to the formula Z
2
C═CWX(CY
2
)
n
CN, in which X represents an atom of oxygen or no atom, Z and Y represent an atom of hydrogen or fluorine, W represents an atom of hydrogen or fluorine or a CF
3
group and n is a natural integer between 0 and 10 inclusively. These monomers enable by means of novel copolymerization methods to prepare fluorosulphonated nitrite elastomers having very low glass transition temperatures (T
g
).
Fluorosulphonated nitrile crosslinkable elastomers based on vinylidene fluorine with low TG and methods for preparing same
申请人:Ameduri Bruno Michel
公开号:US20090088533A1
公开(公告)日:2009-04-02
Monomers corresponding to the formula Z
2
C═CWX(CY
2
)
n
CN, in which X represents an atom of oxygen or another atom, Z and Y represent an atom of hydrogen or fluorine, W represents an atom of hydrogen or fluorine or a CF
3
group and n is a natural integer between 0 and 10 inclusively. Because of the novel methods of copolymerization and crosslinking, these monomers make it possible to produce fluorosulphonated nitrile elastomers having very low glass transition temperatures (T
g
).