Document O1BNe7VK307jdBEZB5JqBE1ww
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Ban TO Mm UBOHATOM LIBRABK
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.njf-o? Miociyv? & .&:::&;
REIERINCE c o p y
MOI !0R ORCULAnOM
fearing tho course of lx bv t v ;;. ->.}; y "i.1 xx: na'-uflu-t */r.'iQ>'i
grinds by Ithe rhir-t process* v::.-. L. Du .-ik .a ovl tne r ;,l tor
t&blinked nd sorrel is tea data o"?
>. r.. .-..
of ' to..
.i.
stock* It wao found ?!)&*: la m sb 'a so;-.* "L ) .>.rc-per rlzpMo.t to
binder -rat I o for- rcli. slv >::> : dir-^fl;r -e. tod VO to 3 30 i 18 Of
the grlading vehicle sue the oil &'.'..or;L.lori of the piemen'*;,, The
csraiasabi 3 variation ia roll stool. coi.sivt ;w.;y is so
that
of t.on s. nu|a ber of tr:.aie are xa-c*arj r./ to :> : bain a chtHfuctoxy
mill base Use of the attach!;- tat3os ha ,.poreciab..o sibuplif led
`.lie f crural it ion of roll otoak or `b s;a
. >>aie-
'he first chart, attached ists th-5 ;;.:,"oper pi g-Ec.at/binder
ratio of t le roll stock with rosin f verJ.o vi soli da oonr eat..
This .chart was based on Vi-17 (or W~7 3) Ti02 ewrd is valid for
other pigrafe..ts cf comparable oil a be o.rytlcn char-act. aria ties The
second, cha was established by grir ding varloua pigmenta in a
50?5 solid a rasin. {RG->0<&) one Aar leu tos the pj.ginoat/biiidar of
tii roll oek under varying con bit:;. one cf i'll absorption of
the pigesejn
By shift in;:;; the axis o f on of the curves,, naintaia-
lag the si pe constant.. the proper )li stoc.< coospoaj 11 on can be
predicted or most pigments in the n >rr,al rvai ns* Ft .r instance,,
W-l?. groua< In a 50# solids alkyd fu- ras the /:vopor roll stock at
7o75/I oqw 1' pigment* binder while w-J. lh a cO*:"- solids e.ikyO a pig-
meat binc-.e Of 6,5/1 is sdtiefa-storj 5y shirting the artis of
tho curve 03r oil absorption cf the u:U;?iiekfc 0? the indicated a-
mount., it 3 found that a yigraven it oil a `; icrpijxj! of 100
should be t 0 rutilated at a 'pl.graa.v.i/bl xdtr e',)V3 % ,
a table attached to this me:-:cr:;thd.u>a gives the appro mate oil ab sorption of various xiigms.hia co.orouly used in the laboratory
.l|b was noted that %~y?2 & :... the os 'baiuia pigment- g c.q not
conform to dies principles.-. Also,, the ur: r,.J a wetting agent such
a3 soya, loo .thin or the u3a cf a yri .clog vch;; .L.e uoutHinini., raatorialc-
which. 7.at 6 5 _ wetting agents {zvek ^ long oil ua at or s.lk.yd^ or blov.n
oils') Jiece a 5 itnted appi`eci.abl-3 r.ndrc'-su in the pigme it/binder rwlo
cf the roll stock and the so forrula;; c o au io charts
Preble; =s3 iron, t.nese
N 30758
J."`. Utemoplasti'.- roainb s.,ck iies chart a -
tt >- ' v\Tia alo;
not conform
i-'vil A fJc.pm'fO&Y (f -S <Zfoe y . , I; Mt- OXNIiIS
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DUP030002969
APPROXLl/ATJB OIL Aii
`fi-9 V'-l6 'V.-17 vV-20 W-25 |t~2 8 i~ 41 Y-44S6 52 7~5'5 . V-57 Y-63
v~?o
Y-90
V-154
V-20i.- 205
f/--28 4
7-008 7-326 Y-331 7-369 V- 372 V-38Q 7-381 Yr382 7-38 4 7-501 7-508 V-514 7-515 Y-580 '7-582 7-602 . Y-tjO 7-676 7-679 Y-701 v-754 Y-343 ?~865 V-875 Y-880
o p riamws
25 32 .29 23 29 23 25 U6 23 35 21 29 42
25 30 .341 212 52 91 123 125 18 27 102 53 '3 4 35 41 . 52 44' 92 100 145 51 85 21 37 93 21 33 97 95 101
I DUP030002970
Oi( Ajferfi
P
DUP030002972