SiO
2/Polyethylene Nanocomposite Particles from Catalytic Emulsion Polymerization
Vincent Monteil, Jörg Stumbaum, Ralf Thomann and Stefan Mecking*
Supporting information
Figure S1. TEM pictures of silica dispersions before (left) and after modification (right) with trimethoxy(7-octen-1-yl)silane (a: Si1, Si1-1octen; b: Si2, Si2-1octen).
a
b
Konstanzer Online-Publikations-System (KOPS) URL: http://www.ub.uni-konstanz.de/kops/volltexte/2008/6589/
URN: http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-65890
Figure S2. 29Si CPMAS NMR of modified silica with 1 (a) and 2 (b).
ppm (t1)
-150 -100
-50 0
50 100
150
-48.7 -56.2 -64.5 -101. -109.
T
2T
3Q
4Q
3O O
Si O
Q
4 OO O
Si O
Q
3 OR'R' = Et, H
T
1R O
Si O
T
2 OR'R O
Si O
T
3 OR = C8H17, C8H15 R' = Me, Et, H
R O
Si
OR'
T
1 OR'a) b)
ppm (t1)
-150 -100
-50 0
50 100
150
-48.7 -56.2 -64.5 -101. -109.
T
2T
3Q
4Q
3O O
Si O
Q
4 OO O
Si O
Q
3 OR'R' = Et, H
T
1R O
Si O
T
2 OR'R O
Si O
T
3 OR = C8H17, C8H15 R' = Me, Et, H
R O
Si
OR'
T
1 OR'ppm (t1)
-150 -100
-50 0
50 100
150
-48.7 -56.2 -64.5 -101. -109.
T
2T
3Q
4Q
3O O
Si O
Q
4 OO O
Si O
Q
3 OR'R' = Et, H
T
1R O
Si O
T
2 OR'R O
Si O
T
3 OR = C8H17, C8H15 R' = Me, Et, H
R O
Si
OR'
T
1 OR'a)
b)
Figure S3. TEMimage of a silica/polyethylene composite dispersion using an octenyl-modified silica (Table 3, entry 5).
Figure S4. TEMimages of a silica/polyethylene composite dispersion using an octenyl-modified silica dispersed in toluene (Table 3, entry 6).
