Document G5LKjxJ6n77ep6zZBr0dRxGq7

E. I. DU PONT DE NEMOURS & COMPANY KREBS PIGMENTS DEPARTMENT 256 VANDERPOOL STREET NEWARK. NEW JERSEY Serial No. KK"5G'~3 Copy No. / NEWARK PLANT PIGMENT COLOR RESEARCH REPORT Title * Period Covered: ai csr-iauv or : t>.. Ki:2i-a-1 'ur: a/Apr il 1950. id oioo). Civile; .* *10-11-4 FILE: DATE: 114*4 4-13-SO Copy feoi #1 * Nua*loal Fll Serial Ho* Copy Ho / oggAOir p ia s $ PIGMHf COLOR ffl&GS Rpogypo# Report HlHf MICROATOMIZER OHIHDISB O? MM, .EPPSCT ON ''Mix-'IN* PROi&RTIKS IN AL82XI* Period Covered* MaroVAprll 19S0. fiVnwg* | l^IO^HHli fPytfillpHi SMtmtlEnQiTftSmW&IS)m 4A *^ SASH ISSUED* . 4.13-50 DUP050068044 ^ jJ^fk je3Wadv4^0>d^'^i. .t^ ^UfchLekielelk,^eeafeJPedi, -jO jOg 0B^^pftwW ^^3iw^w -^OX>'w;3FI3'DrlUpi^F^P3^3:#5!w'X 9mns IpBHJI' ^ ,,,,,,, jpg, tiOW Of $1*^0* Hll^ts| it f*pf f. i ism and djowwiood In Bi^ai^h florert SHOd-Sl* fherasults;^WV Sew*^Wf .. OSO*a^e ^Vi^FVFeFS^ipe.BV'SFFW 4e4W .lewerprf f ^WV^ ee^e F * *ea^| f ^Bf eFOW' ^WVwr' wO w Wf veer 0Sf kk ^e^^ldiF^tedr baSSOV^O ^fc^fcJOiOO OHIkOiMlk. sJOi^N^He|i :MK.4k:^0-OOM'M4Kl'JPi^M^jft:^M!;^O^i ^:MIse^kloM^^iiOi^fBef?aei.iF^aa* ^JKffc3.4b4 ffft4<ll>iifil ftfeyiv yollov, ' C^l Yellow, tttfcol Bod and Iron Blue. a. JT fHV QwCfOUt 4 $ finffelwp nf-tii k q &q evident y^tb tbi t&loroatomlKod i with ' o...o....d...t..r..d...l..s..,- : A...#. might he expeeted, It was wsa with hreno Yellovsi k TH all G&8&9. the 'wit ><waj!tA*itwi m+A ifflgBlnii abottu! an f iF^F1 ^^ ' BB'^Wi wiBwV-tr jH *^ppi wp TF^pei^paperve WP^FBP^SienweFOP amweVrSWe OIHk O over the control# la reapeet to grit {Bagman gauge? fit aioroatoaised light xeiloTghire1 d and Idtbol for many purposes' the paints could to used *00 is* or after o single rapid pots over a roller mill* The microatomiaed Iron Blue was very definitely totter than tho control tut. not as good as tho otter pig* i* The differences la _.____________ _____ ._ alight except in tho case of the Iron mm* Here, the paint frets the 0ouventionally pulverised pigment vas otxlto " ' ^ 'fde*-re. wdthamao mKeio'wwbtVtMo^tkt vyoetsdtuwwtt t *dB*iwt^o wrtdntifbtttwwo mmram wpAfidkl'OLiukdvtHtt jwu hf .l tut tho dlfforoaooo varo very alight* ftp grit differ1* jated by tho gfgf tip fairly in tho masstone osd&ihlte* da 'gtHBi||Oaaiat %w ROOQSlOtO ^^1*1 wod in iii tfoe tall-t osso^ef tho Idthol wid irdis i 4tih^.|j tho ground paiplse* in tho oaae of the fr*"i> Bluoj frov oho ** <*T*rt^feGwitfed ofMiw the .ttd.v*isk wj^w* frooi afflstrol nisBiostk i' Velieva little or no difference in aiwit reaultimt free either iOw* a of nyi:*a4ig tho .dry r<*ifwt or tty w^tho^ of diepersion ho a nhfq|i#1^ f^#.g 'h attributed to the abee^o^fu tbe yollovs of -e*i^i DUP050068045 It ibOUld be * ` testa in conditions of pJ tbat tbs above v^vtelneleMtii are M, ft* indicated below, the optimaa r&CXO, i<w| SUC# way QOC 2taWSjfedh -Wh VmmmWMWkM hhKPfcllMh *t A 'AdkA uri r k[B t. rn aiik a ltnh ?a4ftwftJrtwi< m*A MaMmlhh Covered in *>* snifiSt atudf. wSMiiwmsp immEw vim vnyoiw w |im*< NMin^mw immifSiJjMHr ss tbi# reporfey represent tbs closest approach to nfaHbi characteristics mifcln4ifrnig|^i * ,i|je{hig| IHmi. 4tfr%if| ,gfc# ibbK- H^iMlit'^lil ^as^|^tA^|gn .^agjjr A,wt ^^aeijwWHep^^. V* SSip W^S^FaF^peTS WSe^F SIf ^^SMpe^^e^ar ^r^^esse* g|Vt^. .^ ^^SP^SSiS Sf *^^Sie^eTMe^^F^ee^^rS(ajgh|^^F `SSSSp^SI PpS-PSe laAyjipfKfrfj it appears probable that this is duo chiefly of ynttywjy p py riawwsB unarorwivy oar proauccs poi>Twissa an unis flvytbqfl tfitolfsi tbs slot addfti . of to alkyd {iiigdir "w - ** ` * * . jtndsr .jio sufficiently high bo stismr was nun for w,,_-v~^-m ----- --mill boss Ins' ,,,, with additional alkyd to a PVO of 1 IMnner was added to gits a atonaer consistency of 70 KG and AOh Mjrbd<nh.OMUMOdl a mild m brs./O.B pint Jan) ball ^f|_ _g" _ 3?{EKI^ *%QH0 &Ugo) e DupllJg t*t7 *4yig atopy yto^iIttatifo observations on ease of vetting So study was nads of tbo effect of varying tbo pigment/ binder ratio} tbo fomulas on sot up simply on tbo baala of past experience andy fudging fma tbo obsmotor of tbs various dsw pastosf ^poarod fdrly satisfactory. However, it is posalblo tbal better results adght have bom obtained at a taebo* {or possibly sxigntxy loverj consistency or at a oirrerent niaer load. lbs Itediua Yellow, Yellow, rithol KPHh.hlWhKp^lP'^P end Iroa Blu* _ , tbere was a i saarple and a oanufaoture ^tB^lo# ^s ^ vs wore baton , grit texture to mm maoerxax ans oxus was .xinsmso a soaled vat** tecdmlauo. ibo zdtbol two'ga. ea oa!Y iniifc n srpoR^^pe^e^v j b p io w^wwaewve ^a as to its manufacture arc not knosn. table. KH**48*S1 * Pulverising Study neif>g Mioroniaer aid Slloroattmiieer T. H. Boret. 2pseowm ** Mxcroatosaser winding, of unroBie ureens.A.G.Botti,btd wOMhWh.`^k'ifcjWHhhidl MJhM jMuhg ihiha4l i*Tti iRitD'M ^ pS>'Fi Pi >ii'ik~t VO yO -Vt'Whdt^bd Hotebosb 186S - Hagt. 126S-8S 1S66 * Easpt. 1566-B DUP050068046 DUP050068047