Document mBQX92BX818Orvp0wJZ8x9vR4

3C: Mr. J. V. Eurm, Cleveland \ Htt York ChloagB PS and 2 . Seles * i.gl*r i; " 'M -:3: dwell iarlss. legearefe September 20* 1951 - Lithegeae ** law Titenim Type Fijpasat 3ia answering your letter #f September I8tk yesterday* I her* r fired fron'ttr* Rohr 8etio.ial Lead's Tsehnieal terries Report on Laten Paint*. K few quotes might help to olariQr eooa of the thlnleSfflg here. in speeding of the "inroads that latem paints may be enpeeted to mate Into the field of interior trade solo* finishes% the artisle india&tes that "Two footers hair probably already. oombinod to reduao the original faspetus of this now derolejssentr the eurteilmeBt of the eirilian use ef styme (one msnufbeturer reports that the production ef latlees for paint has elr'-ady been redused bjy $0S sad that further outs way ho la the offing) end the.eTailaMlibydf titeniiM' pipiewb. the offset of the titaaitai pigsent .situation way ast b at first apparent ---sines one type of finish would be Keenly rsplaeiag enoiher. Bewersr* practically ell of the laten palate sow being-produced .are based ufssm a pipsemtatie* of rutile tlteniua dioxide to obtain all ef: the hiding pewer possible at the lew P.T.C.'s jt -whlofc- they are fbwulatcd*'.while./ the flat wall paints which they are intended to swplft-e* are oeraally pigmented with the aleiar-fense pigaeats. hey large' swing toward: the .-u m of laten paints would* therefore* result in a decrease in- the use ef TXTftKQI" RCHI sad a eorrespsadisg inerease in the use ef straight tlteniaa.": "It is ptaerally hollered by the naaafaetursrs ef latcs vehicle* that aalaiua base pi^MBts eenaet be used in their pieMetation because of the esagulmting effteet ef the oaleim ten end they here so interned the ms s ufaeturers' ef lathe paints* feawcr8 m. the basis sf our-sen laboratory aA*' this Is a miseemesptlsB* 1CBT sen bs used In tha Pit tian ef laten paints. \lfce oaleiun isos resulting fro* the rosy' tell ity sif the e&lelwm sulphate base do not- reset with butadiene| they taialy d net ritaet with pely-s^rwmej they ma only reset with the' aster- soluble soap* sad pretestire oellelds used te stabilise the laten during its original aanufftetuffe* Bs bSo It is only necessary to preside a oaleiwr* Ingensitire eBulsifying agent and a ealeiur-iasemaitir* piwteetlwe colloid te produce a easleiHS Insensitive latenj It will bo remembered that* only a few years cgs* it me also considered impossible te use oaleiae-tase pigments in onulsian paints* Vow it is eonmanpleec - and there is no reason why these eeoBsaaieal; pigments should net beeeme just, as widely used in lateas forwulatiens." "TIIUWX" 1SET has been weed in the plpwatatlon ef laten paints end we. ballets that stash paints hare dietlest adrantagse ewer these, now sa aerciaily produced using a titanlua dies ids pl(pentatlon." 1S11880 0007-SWP-000006547 Mr. C. E. Sgoler =- ''Sopteabor 20,-1951 Thm lciw=ljEgiti-r* protective oelleid hiafe is oeaiioaed eb<m is storeh, or siethgrl This is to bo wed in esajxmetios with m. eoleiuo-insensitire snulsifyinf agent. * doubt Tory mush that the statement that "eoloiw'hose plgaeati used ia nulilss points is now easeaonplooe" is oorreet, if they refer to Celsius sulfate. oil know, of course, that oslolm carbonate &sy be used. I do mt know bow gsd the quality of those nan-protein lotos points is M mopo-rlsen te the protein type, lifce Super Ken-Tone, but, os the. Eteuletew Desortosest ho frequently indicated, it is.only, "alleged* thatthey can meho- o smtisfootesy- lotos point with starch, or without protein. Ac I previously Indicated, if you Jsrt Say additional infomatien on this ether- than what. is oentaiaed in thoir-Technical Service Report ea Loten ?oint, uhioh, Inoidcet&ily, wee written ^ o Mr. fe 8. Stieg, and dated dBauasy, 2951* I should lites to resolve o gy. AIs, os 2 indicated, say 'fcicro to do sene worh on these points in ecKparicee to tbs regular lotos points containing protein end llthopcne te pick out their wpak&ecMMS iniiof os* sBCjJr STS JVH PPS C. S. idm Mineral Predswts tabcrategy 0007-SWP-000006548