Doom
Hayes Separations, Inc.
Analvtical Polymers
Post
OffIce
Box
1674
Bandera,Texas 78003
(830)~12
FAX (830) 796-4655
POROUS POLYMERS
Maximum Surtace
Tapped
Buill:
"""""
Sincethedevelopmentof porouspolymersfor useingas
chromatography
by
HollisandHayesinthemid1960's,very
Haye8ep<!' Operating
....
Density
Polymer
(1...lowest
litttehasbeendonetoimprovetheirperformance.Commer-
""Iym"
Temp. m'",,",
,-.
Composition·
9_highest)
ctat polymerssuch as
Porapak~
a'ndChromesorb" have
A
165°C
526 0.356
DVB
7
been available since this time for chromatographic use.
(high purrty)
Howeverthesecommerciallyavailablepolymershavebeen
EGDM
plaguedwithproblemssuchasbatch-to-batchvariations,
(high pUrity)
incomplete or inadequate cleanup and shrinkage. These
B
190°C
606 0.330
DVBIPEI
B
variationsandinconsistencies inproductionandhandling
have ledtopoorperformanceand reproducibility.
C 250°C 442
0.322
DVBlACN
6
Havesepe
analytical polymersand packedcolumns are
D 290°C
795
0.3311
DVB
1
nowavailabletochromatographersat a reasonablecost.
(high purrty)
Hayes Separations, Inc. takes pride in providing the
N
165°C
405 0.355
DVBJEGDM
9
necessary technical assistance to supportour users.We
P
250°C
165 0.420
DVBlStyrene
3
guaranteethatour polymers arebetter thananyother on
themarketandweare continuing
to
developand testnew
Q
275°C
582 0.351
OVB
2
packings forspecificseparationproblems.
R
250°C
344
0.324 OVBINV2P
5
HayeSep~
polymersare thoroughlycleanedandprecon-
5
25Q·C
583
0.334
DVBl4VP
4
ditionedfortwelvehoursunderoxygen·freenitrogenbefore
T
165°C
250
0.381
EGDM
10
pac~ging.
Thesehandling techniquesproducepolymers
which areconsistently the same, with no shrinkage and
' OVB Divinylbenzene
ACN
Acrylonitrile
minimumbleed.Columns packedwith
HayeSe~
require
EGOM
EthyIenegIyeoIdimethacfylate
NV2P
N-vinyI-2-pyroUidinone
minimumconditioning.
PEl
Po/yethyleneimine
4VP
4-Yinyl-pyridine
~
A ThiSpolymerseparalespermanentgases(hydrogen,nitrogen,CDtyg&I1,argon.carbonmonoxide,andnitricaxidejaiamblenttemperatures.
It
alsoexhibits
good
separation characteristicslor
the
C2's, hydrogensulphideandwater at higher temperatures.
.......
,
PERMANENT......
Column:
36'
x
1/8-
packed
with
HayeSepe A
"'"'00""""
Column
Temp:
25·
Detector:
P.E. 900
rc
225
ma
Alt.
x
2
ieo-c
Aow:
He23
cclmin
Sample:
25
microlitersAir
plusH)'drogen
and
Carbon
Monoxide
,
•
•
....... 2
PEIlMANENTGAS
STANDARD500
ppm
Column: 25'
x
1mmpacked
withH~A
'7IlI2OO""""
ColumnTemp:
23"C
Aow:
He
1S
cclmin
Sample;
20
microliters
1.
Hydn:lgen
~
2.
Nitrogen
45'ltl
3.
~13lll1
, ....,...-
S. CarbOn
Moraide
33%
o ' " • "
i
-
,.–
2._
3.
Nitl'ogen
..
"""""
.-
6.
CarbOn
r.IQno1Icide
~
,j
--..I.
........'u
,
