申请人:Blair M. Leslie
公开号:US20060004179A1
公开(公告)日:2006-01-05
A process for the polymerization of formaldehyde, comprising contacting formaldehyde in a hydrocarbon solution with an aliphatic anhydride and a quaternary ammonium salt polymerization initiator of the formula:
R
1
R
2
R
3
R
4
N
+
X
−
where R
1
is an aliphatic or olefinic hydrocarbon group containing about 18 to about 25 carbon atoms; R
2
, R
3
, and R
4
are each methyl, ethyl, and/or propyl, such that the total number of carbon atoms in R
2
, R
3
, and R
4
combined is between 3 and 7; and X
−
is an organic anion.