Document 8R4JmrYOLam1R8x54D1EQ0ZJo

.'.I.' KE&evbuirrtaf-l t'eyn.v6m?a-X1100J1U\.-A Katies*. PT, & L, ASS?E '' ;1 ,r. ; . s;:<y C-' .- F.uf . k::f.:.lr>3an, Lab Lso a. . ' clbiif.Cir ,j .'Li L;s ,r' :. /1 '.c.r be,b- (i NDEXED" Je25'3S MiSI;^S3LvUfe'^ 1 ;i . ' .. ; ' 'v-A- .;.;i i Cn. V, ,' V, -,-w4, '' 1 . -F . Xj\.: KIBBI TO MARSHALL LABORATORY LIBRARY REFERENCI COPY .1 ....IS KOI FOR CIRCULATION nlsfts An c. re's O.t of c k k - Wvt.:> A ;h th> AaUonul ? : A.. U.fu&. Laotiaor ..U^ooiatter,f Dr. :'UL -L Hud::.*, c >. a: Unitors;meat oo taultaut oa WFE (form ;.:j y i s?iortiea.lv.u.t.;;Uf', m- the *ty or Aris n-a) nfec . .:.. the passant ticrk on ereo- sot bai it resin, has $utaifcfc'.> f trse poubla of rough pa?*? or c D3- 16039) .wt ten. pounds of Aot on Lhti'aoa iA3-16010) of or^osofc bash re lii for oar Yaluhtlsr Kteaio rosins' are unlike any c':be:c mattrialss which v j c Jj.eYa teatr d avr "73re cnggeatea "yj Or uartiiiei L. imresti^aorganla fcion as baying. fills. :o.TM&'.properties said, aeln/i: 'ninth;/. i tioa as rsported in the hoioatlfio Circulars -617. and 6 Til - iis pr-ao- -ti*es "ll*jr Ls as ^hnantible eijm the 211ah Is. fou.nct in yet 1:abundaa C in the fnuf1 hi,\i-vee-sotf?est'h tbii'-ou Stntas and Maxine as vrild growth t. So oust has a. in n^tiAliLs.iftiU tea Our exaniretion of i.a<:> %ro sarajii.Htirito ttba SOtVSll pc mter* which'is thought tc 00 gro-rid orc-CBOfco tus-: f aauoc i be userl as a raw material to dre>lop a flint n r .oontcnio x b. to its . a ok of solubility auti Jioea ^lability,. whors'is the \> sstr; extract appears to offer pcs^blV'.tf.cs as filr?.-frr.:or 1 u u -w j ite he a aclvanolnc? chcraotoriatitv.' :uvi Lt.i o-b^rf-.ocil av ;.\...iv vi . oils ant fornialdaayie > Alt'aou.-^ ob-;-::-aAn-.;.>'istt:>r ;.-r , (L:;:-. ablaj t, ey are off-sot by tb. * ;'taxv: jol'O.e )f xbv gd'i, 't;.!--; prc-ei: of ciry niiibiting ocmcmiiAs ;:.ni fne iiSo.:;ayit,y solvent* Considering; these fsot.'h the r-..-nin aay iiat. ::.riv- isiteabla-ok b: ir.i^ng ;lna.ij.ialiny ona-to .kk j . 1 ..Cl..1! (1r -f1'r*,\ k1 f .' (1 " , "..f . .- ' su a iioat atnbili,ur 1 ui oukcr vdxuro v- rt. ua..i3* iu finishnot a saA.viatager eiieisibel inor'vrr-afc dan be used# -2'bose ,y- -srilf-.a u s &a -.Kitty aantir-^a-'t cost of the jMtarl9.1 es eei U`0 x ; ....'.".e -:.ov- .. f: be rollproducts Probably a better ir ... |,iw:.;'i.<J U;i i t .1 .? 1 fjit cr irobtcrt >r ec.-b: , ..,v... . - ; srvouivtiny fe.o o. , :5nc if t; '' ' ' '.;e:.r A ' ; ....n vi< cl' ncv-ii1 .e.vf: rf..- '. . '.:. rssiu v e. bo inti : bef uvr :u ' ' 8*SlLS%tei :rA''surah?- of testa v<rs?c conduct^ d to determine tie nat of the jbough ;iowder, vliiok ii bro wi in color with no t/okiusaa ,o the fcoi; ^h> It ".fHao>; oompl ttoil- ooiutl;. la a Ay type ecl-K-.,ci --d only cl Igbtly soli.fcla In fcpt OK't" . o/itars v.iootiaXr . as'.' uitu..v.'ia.v." ffl-iK , It av.z .prsotiorilly I ;uwvv.-.J:..e In .Aiohetlo and urovKia.a :.; (lrooii:?l ihs. It (' : corapored L i - 00 !; tiltii-'f; -.viioa V;i 4 , i'.ac.:; solatia i was `c*iteinw& fro.** t H` ri ill- powder b,y wi--tcja-) ar.-'O fcior with ihi-j majority of hue pow V*r .-a-ij'ila;; a.ftsr pxtrh-stl-w. f.r>. vapo ,o:a of tilt solution *t pa: cluct-d i i.siivy l>cid i 1..-; I a which appear C. ;=ito th > not'cons aX'A'rot :;hU'r..lei-K ua, di'do chare j , fc 52 iatios of to-.il x.tr acts vvr-2. filf.,-3 similar. A'kcaApt;-, v: produce a y^rrlsh w..';L tiiii. IV3C-2 l AC-UCOOSetuX, Ui.-., .pOWUW.; z&nn ,g uadisnolvcu :1:j . tic oil aft22* he a ting to $G"Ji\ Ko the oil and pcv/cle* at this. t moer at are resulted ir. un infusible black 1 L as As the o.;d,y use that - re could make of tho powder wi.ia to prod ic e an aoelone ox brae fc, l i) further work wee carried out. v/ith till 3 sample. Acetone Extract: In the evaluation of the acetone extract from the sup- plier, ligh spot teats wdre made to characterize the regain. The extract ia a blaok liquid' having a very heavy body and a gallon weight f 10.25 pcuiida/gallon. The melting point of the solid resin is >3*cby the ring and ball method,, it haa a distinct aromati< odor rafe embling gum benzoin. The aoetone extract Is miscible with ketones, esters, ethers, and aloohcla. Nitropar&ffiii3 had slightly less solvent action >n the resin than the solvents mentioned above* The ex- tract i i insoluble in both aliphatic and aromatic hydrocarbons, Additiojjt of small amounts of mineral spirits kicked out the re sin fro, i am isopropyl aloohol/aootone solution. v In evaluating the resin for film forming properties, a eolutlo; i in isopropyl aloohol and aoetone produoed a gritty film WhiOh W; a still slightly tacky after six days dry* In order to doterm! . tjhq Effect q driers on the 5;os<lp.--$x solution of tho r* sin in- ycJiohoHanono i{r.s mX ^ -o c j v c :-.* tips p&?< snt- ages of drio'fj- - io'J&Xt 0*0; [.. v- 005^: .1 and Oily - v/hid|i iv u*e 'added in isio for?. of : .r:h;!;.:u:-hal:-^5 IIsvilTod in cyolo- hexafeo. Tho film fypm thl s ww sliyat^y t:,cky f,v five'd t , a^d v/b b tueli fr-eci after ru.yz. The ; showed ad acedin?:, probacly due to ;py.-a6..a`!v-.Ula:.r.i,wiviawupo-;v3;.;-..oe :,y the ., sSjA T s filin. wsi hai'cl and 7SitC y.'2& olhieltVi. t.i When ii| film liar; b.fvKl o.- Ci."':! .1 XX-fO f'---> DUP030002964 hard anc brittle v/.hvb. rein all. ..a as c vi cl c Uoed T.v eyeholiLs. iv. t: .1 v y , O'' .. .-. the main has phenol: o -vroup-. eat.v ` i- l with t oxfcaldehyde Addition oc p- r-v.foxr.a...! '..irve-e :.o . . t -. duoed a very rocl.n piocu^l: ! t 100''T, -liao .Ir ;:. e :.u- dies not thin oat bit charred, Tk:' resin I a 'scaia:' ': 1 r f . -.' A.c i.1: cyoloh-sjanon** As heat paaotlv rhonolio rosins a., a ] - r >' ?. liters ; ostiaet anti >r vinyl polymers both th';: ostor jvirw formal&e lyde treated gem were evaluated a* thorem! cfeaoX : ; !." <,.*:., fi?o.c. po repnt of the resin on the dicls or <:.. vinyl ac tx... v,v.?. .. ; v l oil gonly hfc stabilizin'; aotita while .five 0. ton ;c-'r-;e-u ; r. " 'v P hteblliningafora;aldfehyde treated resin gave s dofini :;o i\. 0V ? > Tarnishes; In order' to nahe a varnish, the nee tone xtraow re;.: f 3. r ii evapox'atgs d to prod roe a 100$ solid resin. A tmnt/s-tir'J geii;xoa or: length v a,rnish was made using Pittsburgh Beieotod r'200 Oil * It l > oame ole a.r on -glaira after heating to 530 r,, There was eons .there hi o foaming luring the hold at $&0F t indicating a reaction between the ah. 'the :resin, ax 3 the oil, which was ladle ted nlao by the ra.c;v;i bodying ? the yariflL finished varniah was soluble in mineral spirit, petrol i xylol, a,ad cyclohexane?.;;, bat not Xu isopropyl eXschoi, T&&' bSO solvent m is patxoletaa xylol. Alter eight .clays tho ila, weh Still V j slight!,j tacky. A ba>:o at 300'S', fox- 1/2 hoar was net suffloi it to make the varnish taok-froo, but ineroauing the baht to 350F. j.] x 1/2 hour produced: a tak~fre film with falx* hardness and adhesio to stael and good flexibility. The- preeeuoe of phenolic groups tend to Inhibit the dry. so' atiei ts were md to produce air dry varnishes by treating the varnish 1th paraformaldehyde. Another twenty-five gaiter:, varnish was made using, alkali refined linseed oil, The oil .and lesin ir. the prop rtioa ofin 12-1/2 gallon oil length varnish war* aaatec to 530 "JV where the varnish became clear on glass, On cooling to 350*# parafarmaldehyde w as added and after the addition was completef the mixture ffas heated to 400.F S at which point tho varnish gelled,. Howeverthe-.ad.dii ton of the rdaaljc.de? of the oil and ho*ting to 5$0F. r sdlspers ed the gelled watorisd,.. Body "T+f* was obtained at 52$ solips with petroleum xylol altar a total elapsed cocking tico of one.hbur and 1A minutes. It wua also soluble in minora! spi lroiotsm xbyutl )1ga, ve a considerably heavier body with, it than with petre- The addition of driers produced a reaction, as the var nish bod.eel very rapidly. Though fchi,a vo/rxish had aojr-.Ov.hiat better ryK it *& still slightly U: oky of ter- V B&.yf-:. Whan b;j?:>rc! on teel fo ? 1/2 hour- at 3O0".S1 it v.u$ i&ax~-;.`?oe vdta appro?xrv:-.t-ili She 'samelhardness' and xlexibility but lot;-, adhesion tinoi tin: vsr-'nisn wai.tfeout the . p*rt)f.cx- ae Ida Iv-ho treat;!'.* "it whial. : .i v-<j c. C'v 1 -' DUP030002965 of 1/2 4 350F* to dry taok-i'r-:.'. Baked fiins of thar-e two varnisbas wore tested for ohem** leal re: l3tajnoe In comparison with a butyl phenol resin vcmiabu Spot fees to showed that tha o.voooco bush' reala varaishoa failed after 2*1/2 hourn -vifh :>?;>. caustic s5 da whiLstho phenolic ?ar.aish was imphfi^sUd, The erpchiacAtci vuxniohao foiled ufter- 5 hoiu*s oonta{ptjNfizlx ;};$ sulfuric acid, v.-w oontroi :fus sg&Iu un- sffeo totfC,'; '?2t|;var ul shoe Wf' aau.fifaator:'* i-ftor ?c i.io a >?? * imer* I on In Ya'd :F,v-fsfVpii&A'i with the contcil.' a one- hat softer fclvv*. the- ex- periiusai|&2A '-in water reals it.:aoo i.hn control ?:rv.; so'ctfuvnh v a;*tsr then till bush, resiu vevniubo; <, hho V9.*vii;h was nvii--ifhO Uc 1/ in oil re^ibtsictS* Although the oraonote -busk f-'isin vur.u.:l?vu feiiol in 2-1/2;; haurb in contact with ucmstioa, thi. is o bettor p-vvforjKmce than that,, with phenolic modified rosin vc cn.isb.es., The two parniehea han't neflnlte staining tarouv:h oharnc teristic a when coated with a white baling enajae.1, the* varnish ***ith paraforn aldehyde having slightly less staining than the one with out pare formaldehyde. Hence,, v/e fool that creosote bush rosin varnish .vould be uasuitable e-.s a primer vehicle for white indus trial erpmels; where its ohetiioal* resistance might bo of interest :. Further details of th.i3 y/ork may be found in the writer's notebootls #2871, pages 172-173 and #2893, pages 87-115* 1-KILADELHiIA LABORATORY ^ Mip r*n 0H. A. WRAY HAW/nhl I DUP030002966