sw chapter polymers course slides - covid-19 update · 2018-11-14 · scc sw chapter 1118 polymers...
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SCC
SW
CH
APT
ER 1
118
Pol
ymer
s in
Cos
met
ics
401
Depl
etio
n Fl
occu
latio
n
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
Poly
mer
ic E
mul
sifie
rs
Loch
head
,R.Y
.;Ru
lison
,C.J.
;Colloidsa
ndSu
rface
s,A8
8,27
,(19
94).
402
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
Poly
mer
ic E
mul
sifie
rs
Loch
head
,R.Y
.;Ru
lison
,C.J.
;Colloidsa
ndSu
rface
s,A8
8,27
,(19
94).
403
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
Acry
late
s C10
-30
Alky
l Acr
ylat
e Cr
ossp
olym
er
•Ben
efits
:•
HLB
bala
ncin
g•
Long
-term
stab
ility
•Tr
igge
red
rele
ase
of o
il ph
ase
•‘W
ater
proo
fing’
of s
ubst
rate
•Disa
dvan
tage
s•
Diffi
cult/
slow
pro
cess
ing
•Po
or sk
in fe
el
404
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
Alky
l Tau
rate
–Ac
ryla
mid
e Cr
ossp
olym
ers
+
++
+
+ +
+
++
+
+ +
++
+
+ +++
+
+ +
++
+
+ +
++
+
+ +
++
+
+ +
++
+
+ +
--
-
- ---
-
- -
--
-
- -
--
-
- -
--
-
- -
--
-
- -
Glyc
erol
is n
ot a
bet
ter s
olve
nt fo
r the
“d
issoc
iate
d” P
oly-
AMPS
--pre
vent
s cha
in e
ntan
glem
ent
--giv
e go
od ‘r
ub-o
ut’ f
eel
405
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
Che
mic
al c
ompo
sitio
n
OO
ON
H
CH
3C
H2
CH
3
SO3- N
H4+
n
m
EOAl
kyl
CH
3
EO =
(CH 2
-CH
2-O) 25
and
Alk
yl =
C22
H45
Hyd
roph
obic
ally
Mod
ified
,
Phys
ical
form
pH-v
alue
INC
I des
igna
tion
»4.
0 -6
.0 (1
% in
dis
t. w
ater
)
»w
hite
pow
der
»Am
mon
ium
Acr
yloy
ldim
ethy
l-ta
urat
e/B
ehen
eth-
25M
etha
cryl
ate
Cop
olym
er
»Po
lym
eric
sul
foni
c ac
id,
hydr
opho
bica
lly m
odifi
ed
406
Depl
etio
n Se
greg
atio
n
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
407
Depl
etio
n Fl
occu
latio
n
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
408
Depl
etio
n Fl
occu
latio
nby
Par
ticle
Cro
wdi
ng
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
409
Depl
etio
n Fl
occu
latio
nby
Par
ticle
Cro
wdi
ng
SCC
SW C
HAPT
ER 1
118
Pol
ymer
s in
Cosm
etics
410