Document 15KJJLNQyR8nrqwQrDBg153Yo
.00: A* 3Ki BIBS } XI - W1U4XIOT0I
it. A. DIBBLE } TUBS
H. F* BOOT*
- FT. MMSOIf
0* V, CLARK
- CHICAGO
B. B. FIRST
- TOIBBO
P. J, QRWWW
- 8. 8AM FRAH
R. A. MACFARLAH
- FARLXI
H. B. MOffi
- FLIRT
Cf D. . KEEP
- EVERETT ,
0. E. COIDE
- FARM *
ft. B. AVIS
. - PLUPI
J. B. BULLITT
- PHILA. LAB.
A. J. ERE ) II - PHXLA.
M. E. GRUBB } TURK
F. B. SPA0LDJHG
~n
. G. V. KIDDER
.-
NOTED DEC %m 1948
Philadelphia Plant love&ber 14, 1946
.j S ALLBI aooa-8ojL8 WMIiGfOl .
r >b < h o t ,mbs
mimmwn'm p l a it ~ pr o c es s & mmcm wows 10. 4 SODIUM VERSUS LEAD. 0AIALXSTS XI RB.S.XH MMIPAOfURf
The attacked report summarises the result obtained In -
a study conducted for the purpose of evaluating sodium versus load
catalysts in the manufacture Of resins. Ibis study has now been
completed .at PMla&alpMa. insofar as all the scheduled batches have .
fete manufactured and the essential production .and test data taken \
m outlines in the original program!.
'
It-was originally planned to Incorporate the results -of . m mmtly similar study to jh conducted by the Toledo plant. Sw.ever* sine these results are not yet available., we are forwarding Philadelphia1* report for your preliminary conoidration. As soon as the necessary data is .available from Toledo, ve will make any
necessary correlations ai^l submit same,
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DUP030001857
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DUP030001858
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BwgffitttoB eg sopnm t o . quo amuses
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ssma&t mmmBB xK: 19m
DUP030001859
n&wmmA tmmm mm mmm mm
4
t o r s es mm mmm3 m mm mmmmm
t* tmmmmim '
fhe purpose of this report is to mmsm^im the waits of
a. study irbiob *a* 'n*4* for the povpo** o.f raltetiM tb*` ms# of sodium versus load oatalyat* in &13feyd twin iwimfaetttv** ' fbi* tody ' *88 *84* as th* initial phase 'of a ociag)tt*!*ii*lw program to invbsti*
gat tli possibility of obtaining a .rodaotion' of nm^Smtmlv^ eo*t*
through aii&i&atlea of ?*la flit*8^**iag*' fl n**d for ctel*.- . ....
fiemtioa of oar vmin lifaid ba 'bmn tb* mabjset of-ooniidorabl*:thought and 4i*6u**lon for **v*.*al year bat no fail steal# prog***'- had **** bmk pr#*.ion*ly ondwfcrtton. to develop th* Information thieh" nooid b* v*e*ir*d to arrive' at final.. doolaioa in fhi* *att#i* A* a roamt of a *0*1** of 41*ea*aloa* kid early-in 1946*.' it *aa d*ol&*.
4 to **t up * program to ovalftat*. tfc* it**- of .Miiia-hfirosM atm*-i
Xjs.% trlth th altiffiat objeotiv of fiet@mis.ing It* foil mmmf ami '
desirability. Accordingly,, in a. meeting hold at. JMta&olpfol* in :'-'.' :v> lay 1946 ad attended by *pj**0*dtatlve* of operating supervision . of fol@do a6 Philadelphia* th fhlla&olpfcla laboratory#and W*e**0.>'.
mad Method droop, th first pimi of this progra wm developed mad outlined' in detail, flag* mm **Aa for both Solado wd Phila -
delpMa to produe* th* ana. type bntoh**,- oox&aot alnliar teat and to procure the ms ** protwttlhg and filtration data It 1 xpiwt*a tJMt-th*' **ttlt* obtained ia tM program *111 provide a haokgwsdal-''''. on hich 4*oi*ldn for future eoa?** of notion a be baaed.
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DUP030001860
XI. PBOMffgE
, '.
Van following is & g&mml .inscription of tba proeadu** vhlob 8 followed in staking this attuijri
l* Thm betels-of a$ob of the follow,lag stains *** aaiut* , factored wsing t mmaX lead oxide (litharge) catalyst*
B0~105 - '. Qitnood Alkyd 0-203 - . grinding Vehicle ' B0<4ll . . Sofa Alkyd
* Uhl* type resin vaa produced on tlx
im Ghiaavood formla,
.\
t . After eosplstlng the above, thvaa batches of each of tf
aaae rftiw to? saa^ctared, teing *odlu& hydroxide
catalyst in place of the load oxid Quantitive of fca*
lysfc need in each tesla ate shown in Exhibit X. she
`Philadelphia laboratory. issued
formulas to
. cover' tMs for^ulatlm Imago.
,
5* All bate!3#a wv*-pi?QQ**Q& and ttis# headied in it
etMBflard ,imPs "
-
A. Batch sis
3*000 gallon finiafete reeltt
B $ype pvoeeeiilxig.
- solution iatha{sin aha hitch)
O'* of phtbalib addition * Screw feed
v* Catalyst addition
- Slurry
B* Condition of cooking kettle- 0leaned tmtom' each batch.
4. Ssaplee of the tinfilterca tesina were taken and' exaained , . ' for appearance, loud* to,
5 All bateke*
fiiterpreeeed' in the ndriaal 'ttcuonwi;
A* All batches filterppbeead tvm storage teaks. .
B. ffp of filterpteee
* Bhriver 24" plats and trmn ;:
0* $ype of ptete pimp
- Viking 2MB If
0. StittciaEffit pomp preseti?#
- 150#/m, in.
1. piaii> Spd
- 164 l.p.M,.
P. ffp filter paper
. -Kraft , Qggi5'
Q* Tfp press screens
- #1$ gag perforated pi
' 93 boles pm q,in, 7/
h . ffp flit? aid
- Jotes-4tarill# Standee
I* Method of filter aid
application
- Fre-cpat
J. Founds filter aid per
coating
- 3.0
ft#
Jel
DUP030001861
n. peo o .bd u s k Gmnmm
6 .. Complete m&ufaotuning records and equipment data were tales..- ttds included ail available data in reptrd to cooking fiiQl**,- ftiterpreesaisg rates, ate. Sa IxfeiMt III and Saapl Data Sheet IxMMb 'VI.:
7. Complete laboratory control &m% mm mad m all tetsfces and recorded. Bm Inhibit IV.
8. Seconds war kept of all finished product enamels, into which odium catalysed m$im mm oorunaseA*
9* Filtration testa vere run on all unfiltered batch using
the Perils filtration feet for Mbrcoelluios #718 and resulta recorded. m Sscbibit V.
*
DUP030001862
..
1
I
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in, swmAia: o f mmum
' . $h# result obtained in this -study are Euw^riised aM ' discussed taster separate headings- m follow3
1:, All batch# of both %jpm mm mvml :ia respect to sumo' an# batch oookibg cycle* with the exception of am no .lit. soditni catalysed,* la which it ms momeery to add *ddi~
tlofeai <3-218 to obtain the aonoglyceride., Stele ingle
batch a mtvmmtf poor in booking cycle,- clarity $M
filtration properti#..
Both E~ll4 and EC-203* odiw& catalysed, required longer . mono &ad. batch eye las than the corresponding lead batch**
while all eodltm .10'*103e reached mas stag# in 3G last tin than the lead BC~i035 a.
2. Clarity of the uuflltered rosin was definitely batter
in the cast ..of the sodin batches. All lead batches mm
. considerably dead? wheve&e six of the nine eodlui& batches
We clean or only vry slightly eloMf* fMs v*e or .
. proaoaaoti in the cast of the s<9#iy B0XQ:3% two of which '
, could have patsta control laboratory clarity test in -im
- filter# stab.
.
''j .
Ms differno in clarity was noticed in the cast of two of v
tb three sodium BC-X14* which mm batter than the oePrec--
ponding- lead batch., However, the third sodium 30.4.14 was.
extremely cloudy,
,
b iifftrtnot in clarity was least aoilot&bX in the'eaee of the EC-203*s* However, the odium batch mm slightly batter than the cornspending lead 'batches,
3. All batch snceetefuily passed all laboratory control tests*, lb trouble tree eaperie&eed with drying tins in the'eanr.' of. the eodlute batches* -See Exhibit .If,
4. Filtration cycles of ail sodium batch' were short.or thstt
in th ease of the lead. In the ease of the sodium R0-X03e s this difference amounted to almost 50^*-
5 Filtration rats in gallon of rosin filter# pm hour per. square foot of pmm mm mm higher in the csss of ail
sodium 'batches, 'Here again, the greatest difference was in -. '
. the case of the 30-103*.* the sodium babohes shoving shout 430 better than the-lead*. ' '
6, In .gallon filtered per change of papers, on press* the. sodium': 10.103 again showed better'perforwards, However, the per. fornano of sodium HC~ll4! and EC -203* j was poorer than la - the. ease of the corresponding load batch#, fart of this can be attributed to the om single heavy blooded sodium EC-114
- which required six changes of papers, .
DUP030001863
in* mmm o f mms,,m oontM
7* tli result of the P&rlia ffiltratiaa $#ata on tbe
vaataa wW ow wide limit* However* ia gnml iht rate obtained cheeked fairly closely with the rates of- resin filtered .gw ofeaijga of press papers. .fb sediwia
10-103* 6 performed better while the B0*llV and 80-30?*a , ter poorer than the lead.
the olds? of tbs sodium vmlnn u noted to be darker than,
those of the corresponding lead featefeaa 'la the. ease' of BO-IJJ
and HC-30? while the 10-103* were about aqual. This e-oMi-
tioa mt poaaiWLy be attributed to colon-of raw mteflula
which ay haw varied to that extent between the periods
of thee# teste.
.- .
9.411 sodium catalysed batehaa eoistaiaed less precipitated :
materials^ snob a pbbhadataa and other type of "teed, -than
the corresponding lead baiefcaa. Jhswtiealiy m sediment aaa-.
noticed in the ease of all aodtatt SC-103& and two of -ib
three m&tm 80-12$*, while the odium E0-2O35 s abased tery.
little preeipitated matter. All leas- batch# contained om'-
guaotlty of wMtieli-gray aedteeat. which varied-from slight-' .
in tba see of EG-103?s to beany- for 80-80?*a* ,
;
10:. 1 failure to pass routine control tests of the finished product tuMnela into which tbe sodium-catalysed resin- were '
consumed .was acted.
DUP030001864
it * commons
Although all phases of this valuation ter# conducted according to the program as planned and as uniformly as possible, there were a number of conditions on which control wa neither' possible nor practical. The following items appear to be among the .more significant s
- ^ ,
1. Due to recurring shortages in oils, glycerine and pfethailc anhydrld and because, of the type batches, it ms necessary to astend these tests over a four-month .period* Thus,-: changes in raw material characteristics could tev#> had' sooe : effect on the results. Probably more'.uniform or consistent' rates could have been attained through use of the seme lots of materials for similar batches. However, this was not possible under the.-existing .operating conditions, /
2* filterpreSBlng was performed in as uniform a manner as possible,- However, sine all batches must necessarily he filterpressed' from pre-filter storage tanks and .since . storage time before pressing varied' from *5 hour to SO .
, hours, it is gait probable that, some batches ^settled oat to. varying. degrees and others may have 13picked up quanti ties of sediment in the. tanks, These conditions., may have , affected the pressing rate for all batches* Also, tengper*. aturc of batches being`filtered varied'from- X50c?. to 224?, which, undoubtedly caused mm difference in rates, -
.3* Only three batches of each type resin were produced and - used as a basis In this study, This small number .of tests " ', limits the degree of dependability which can fee placed on the averages of the results obtained,
The results., -obtained in this study appear to justify the following conclusions:
1, Basins of the type BO-103, RD-llt, and E0~203 in fee- :' successfully .catalysed with sodium hydroxide arid produced in the normal manner, They require about the same per centage of- catalyst as in the., as of lead catalysed resins, of. the mm type* .
2,. it is possible that com .increase in total' batch Cooking cycle may occur in the e&s of sodium catalysed B0~ll4s and BC~2039s* However, it is felt that a greater number ' of tests 'would be needed to completely evaluate this factor,
3. Sodium catalysed resins an .fee successfully'" used in all finished product enamel into which lead catalysed resins-
.- are' consumed, -
c
DUP030001865
XT. .CQ8CUJSI0HS - Co&tM
4. aodium-c&t&lyssd resins, in unfAltered stub#, contain
l*a* sediment and cloud then load batches. Clarity, especially in high acid nuiriba? resin, is often nearly e^ttaX to that obtained by fiiterpressiag. 5. Filterpresaing of sodism-catalyaed teslas Is equal to on batten than in tbe case of lead batch in considering overall pressing nates, fo narked improvement in gallons of .resin pm press change can be expected. 6, Tm Periln litrocellnlose feet lthod #718 can probably be applied to checking resin'filtration rates but its . .aecareey has not been clearly demoMtrated In this- .wall -
number of tests, I Additional tests are being, run on regu
lar production batches to procure further data. Although no specific rocoemendation regarding the next step to b taken in this evaluation sould be advisable until .results are available from foledo, the result obtained 'in our tests' indicate that plant-seal# production of fjodliisa-catalysed batches could be mad* and filterpressing of son* 'type beiebee eliminated fora defin ite trial period. A suggested procedure for this vm outlined in Dr. p, Bobinsoa* a letter of .April 17, 1946 to $, A. Dibble, farioat modifications of this plan can be made and it should be considered in setting up the next step in this program. A pointed out in the, above letter, the effect of uafiiteyed sodiua-oatalysed resin on ' finished product enamel ha never been conclusively evaluated., , Production and testing on a laboratory basis is usually not comparable t plant-scale operation. 3?herefore, no true picture can be obtained until a seines of batch is produced la the plant and evaluated in finished product aamtlb.
DUP030001866
< * ` -T.V '... .
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COBB
102 102 114 114 202 202
jBggflm mm G&wmMmB
vfsms i j> OAT^SfS
CJMYSJ?
SAM ,
mmmhk
. $ GM!/iLTST tStJ> *
-602 0-218 ' -602 ' S-glS -603' ' 0-218
Mad Oxide CLitba^g) , *095.
Sodium Hydroxide
08f
-V Mad Oxide Cbitbarge) .02?
j Sodium Hydroxide
,026
Lead Q2i& (Litharge}- . .087
Sodium Hydroxide
,*085:.
* . Baaed on porcentsg of catalyst la oils only, "not
including glycerine.
.
** On batch requirsd an additional charge of 0-21$; to coiaplotO reaction. Total charge of 0-218 ms ,041$
in tM# dingi batch,
DUP030001867
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DUP030001868
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Pres fen Hours per fetch
Pressing fine Hours Per Batch
Final Press Pressure - Lbs, Per 8q, Inch Press Changes Per fetch lnolSet-t?p
Average Basin $eng>, P. Paring Pressing
lumber of Press Plates Heed
Hours in .storage Before Pressing
Cooking Cycle '
Hours
fetal
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DUP030001871
BATA SHEET swim v b b s u s mm omm
X, BATCH DATA Ho, in series
Cod
Batch Card Ho. Formula Bat Catalyst (Ha or Pb) BatoH Sis - Gallons
ii. oooKXfG mmtm
Condition of Cooking Xettl(Glan or Ho, of baton made sine cleaning)
Processing Method-MonoglyearId (Pusion or Solution}
Processing Method-Batch .
(Fusion or Solution}
Phthalic Addition
fSerov Food or Gravity}
Catalyst Addition
(slurry or Dry]
Tinpavatur of mo m at catalyst addition.
Moncglycerld cooking cycle - hours -
fetal Batch Cooking Cycle ~ hours
III. FMEAfXOH A* Equipment fypa filter fmm Sis of Press, Plutoa Ho, of Press Plates Type of. Press pump.'
Capacity
. . ; - , \ ;:
'.. '.
. ' _-------- ___
.. . " ________________________________ ____________________ _______ ....
DUP030001872
'
-2 -
1XB1BXTTX
Coot *4
B. Filter Media
Filter Paper - Type and Thickness
Press Screens - Type and Mesh
.
, Filter Cel - Type and Grade
..
Filter Cel - libs, used per press coating
.^^m*****
Jtefchod of Filter Aid appiioation{Precoat,te.)
. ..
0. Processing
Indicate vften batch ms pressed (direct from sixer or after storage)
If stored* . indicate hours of storage before pressing '
'
Batch temperature during filterpresstng
'
' Initial Pressure-' - #/s*g. in,
'.
Final Pressure - #/*g. in*
^,
Press changes per batch
''/ \
Total press hours psr batch
Total man-hours per batch(for filterpressing) ' ; V.
jnr* .MXSCBUAHBOPS
Batch Yield - 0 Baartea & Special lotas-
* ..
DUP030001873