Document e77km71KzDbyLG82B59wrXvK9

NEWARK. NEW JERSEY At * A Titles NEWARK PLANT PIGMENT COLOR RESEARCH REPORT Final Report RT-455-D "WATCHUHG* Taifeli B (RESIKATED) -Manufacture in #9 Bldg. 1. Correct light masatone-yellow tint tendencies. 2. Correct difficulty with increased fixes on grinding. 3. Develop blue tint variable. Period Covered: " ^*7 1949 Charges BCH-32 (1100-31-32) FILE: DATE; 222.24 5-31-49 N42209 Copy Set #1 * Kfcaerioal .File 8 * Research OMo# (222.24) 2 - Library File (822.24) 4 * #10 Building Pile 8 F* Chaupsld, Pit.Piles | - D*. S* Killian, Rework . Serial Ko. KN-49-25 Copy * / SEWABK PLAST HGHBHT COLOR RESEARCH REPORf title* Final Report RT-455-D w4m n09isRm< t1m$m) 1. Correct light nasstone-yeilow tint teadeaoiea* a Correot difficulty with increased fires m grinding* 3. Develop tine tint variable* Period Covered t Maroh - Hay 1849 Charges BCJf-32 (1100-31*82) SUBHIOTD BKt APPROVED mt 1* i, S t") MivovUi^ j/oT MOBBISOH / 1*/, rtff BAfE SHBMIfTEBt 5-23-49 DA5PE XSSOSj>t S-31-49 DUP050067276 Float difficulty vita BT-455-D manufacture Involving aeeumulated production of approximately 10*000 its* of yells* tint substandard, i&iQh mas also predominantly light la aasstons, mOo it necessary to issue a Plant Assistance work request ia safe* 1040* Laboratory *a wlaot atu&w (#0 nulling) ** started tm* diafcely to correct the following deficiencies of the modified for- mala i tSOO .la .Wi nn JO aoltl* 1* dorreot the increased pigment flaw haaard during pulverization, apparently resulting from #9 Midlag mimufacture. f* Csmai lightness of massfcon and yollowness of tint, and develop a variable that could be depended upon to give bine tint whenever desired* iiai^ Rebaking (far 10*10 boars at 180P) of a number of samples t&m current light-yellow aMt&nd&rd effected some increase la depth of masstone .and a decided increase in bluemeea of tint* Approximately 8000 lbs* of ves# light and yellow stabstandard was converted to a none easily shaleablc product by Ms means* Moratory work indicated a maximum of 1* mol % sobias Acid as an "accessory" in the Sad SB acid diaso to be an effective variable for bine tint manufacture* Darker, somewhat duller masstones were also obtained. Blood in alaChoi, hot and cold water, acetic and sulfuric aoido are not affected to any extent, if the Halt SOeNilfledl iS leanWhile* it was found that in #9 Building raaiwfacture a dark, blue tint product could be obtained with the proper variable eemsstim even without the use of the Tobias Acid "accessory8* The variables used consisted of a 88$ increase la the sodium roslnate, an- approximate 30$ out in the BOB slurry volume before coupling, a alight increase in coupling pH [pB 8,6-8,9 instead Of -*8*8*6) end a 16 hoar baking period for the lump* There was sens difficulty in masstons .on the dark side of standard due to ever--devel.op* isa&xi aiwiisg j*xtraozon is*wry no* <ju8nw w neau cteveaopssencj# Quenehing to about 14SF corrected Ms light masstone tendency but at the expense of an increase in yellowness of tint*: The fire hazard apparently resulting from the use of #9 Building equipment (8 batches 8 grinding fires of unknown orig**ui8n^**/W net seen to he the result of non--standard processing -#*H' no<ti4_ *w of the roslaats solution* as ust of a speoial non-precipitating sodium rosinate solution did not solve the firs problem* m was observed that DUP050067277 1 DUP050067278 siw.fJ&ja&f: fS5&* SiW" grinding of 130?* basis ftp#: and ths steps aft# of the ooadii saloiuai roalaate slurry in tho coupling loafestop a oooilf oaioixa salt* A&m&MTtim^cmeea or<a -'aann ^o ^a^iei$rn in baaad an *<*>>*? aj orXSrll* Sow* S Increase for the etlofc ores &? fa *ati-itmA:wM,A iw II Buildim < H anJil'iiifljbwi s^nndm^eisspA^Mnnsctsiri Ionpn^oaajapans^n^pttii-paa jam ussm 4se*f3is*^^p 'Wana .*.** .. mm of # Building coupling and develop volume control In #9 Building pw&aiblyro actual vol\nasa s nay account f.a..n t.H....tw iof; -mi. maastones in Bf*485*D manufacture. As the ,______ ._ ...-.... ......... ble t variables used nano based m pnoduot of this type# These at the mm material for osporioiso l* U A 81$ increase in wain to otftffi doptfo of' masstone* s* Increasod dovelopnent pa to obtain masatoao depth* fho $E was increased lion a standard pH 8*3Q,5 to pH 8*6-8*9. Five to ton pounds ..nano of caustic soda should give the desired tost* i* id coupling and development vo a as measured by ms ' wars used to attain dspfcsr stone# bo h voluaeo before coupling ranging .iron mo at mm ganoas to eioo gallons uoro used. *&e tmm volume apparently also gives definitely bluer tint. `ft,*,*i8itil baking t 180F to obtain Indloatlons gre * ' ` . hour not malt# oty^gb blueness oftinfe* An increase il, 12*16 blueness* od^st^l80*F^ls slurry; prior to Ltration. Ob of a O indicated a definite loss of bWM leap Si Indications la filtering, fherei* nay giro an undesirsoi MifadtesFadr"* DUP050067279 Variables used load the result* obtained during IHi study followst- 1. Sts basis #9 Building fonsula gut* a light*ek*vs to s follow product. Hi combining tbs 88^ iaoisasid rosin, a SOH woluise of $400 o tpadog tins of It towns *< oslttlmg tho tix9 g(for reques*tBeddltuMioncprreo ad*sue-c-dt,strTehnisgtbha) togharws iathdae`bsoirua"t bleasdH"arhkird* of tbs first batoh mo blended with 1100 lbs* of otook to give> a satiafaotory 8900 lb, sin* A second batch aads on a glBil&i* femnla oxoist that m ** fixe was addod after boat developaent also finished on tho dark*blue side of standard* an undesirable dullnsss of nasetoa* obtained In this oass was boXtOvad to bo duo to an arcor (oBdsslon of sons of the ooid fron tho ditto) which resulted In a high soupllng pH (pH 10*8 lastoad of 8,0*Q,S), Ooafolalng tho 88$ increased rosin, a baking tins of 16 hours* a BoiTvofuase of 9800 gallons sad a development pH of 8*6*89 gate a Xlght*ok*va dull product* The blano fins was addod In tbo standard aanner (before ooupllng) In tds oass* Oonblxiliig tbs 28# sosin increase* tbs baking tins of 16 bouse* tbs BOH volume of 8800 gallons* the increased development pH of 8.6*8, and tbo queaohlng after boat dsvslopnsnt gave a aark-ytilow product* The quenching apparently prevented nass* tons lightening but at tbo expense of increased yellowness of tint* Meanwihiil*e# laboratory work bad bsea undertaken to develop a b__lu_e tint vwsarrilaabbLia, J_P_3S_8_A__a_n_d__P_CA;_O_S_A (__H_o_d__S_H__I_b__a_m_r) _a_d_dod In 1*0 nol ^ imouats as Mato *aeesa#or* interasdlateawene not effective* Swell amounts of Tobias Acid* however* (0,8 to 8*5 nol $ addition*) Increased blueness of tint considerably, Blood taste (aloobol. hot and told water* sulfuric snd acetlo soldo) reaelned satisfactory up to a oaximaa. usegs of 1*0 -nol % Tobias Acid, $0 level aloohol blood was were# than control. * stsbillty was not affsotsd by tbo use of the A definite incrsass In nasstons depth sod o t _____2 __ wo## si so results Toon tbo uss of tbo reoosBssndsd (j#o weg of "accessory*, Hotss severing tbs *< nsasndaticna for tbo control of RT*458*D quality In #9 Building oanufacture follow** Tbo #9 Building based differs from tho ^prSess oi3ginaSft<^ignS for DUP050067280 0 Building (dated 1*17*49) as follows I* 1. too of tho RT*18*J> diazotiflation procedure (higher oonosntaxation and solution temperature of the Bod SB sodium salt* precipitation of tha Bod SB sodium salt solution with ooid prior to oooling and addition of tha sodium aitrita for dlasotisatlon* fa the orthodox Bf*488*B promos tho solution ia cooled, tho nitrite addodt and finally the tbs acid.) The o^equeatly* baeppttaerrenytileyldgsiveon* mlaerrgeocsoemapllseteopdeiraaxtiootnistahtalonnthaond* old process. Tho necessity for analysing tha Bad Si sodium salt solution In tho oat ia alao thereby eliminated. Boa to an apparent increase in oolor*fir# hazard resulting imm early #9 Building operation* the sodium roainate solution ia now ami by- the so-called "noss-proolpitating* method* The rotasive foaming and bulking of tha BOS soluti<m*roaiate mixture trtsum aada in tha normal manner (low volume) might re* ault in inoreassd fira haaard duo to incomplete conversion of tho rosin to tho oaloiun salt* For this reason tha BBS solo* tion volume it inereasod from approximately 800 gallons to 4000 gallons prime* to addition of tha sodium rosinate solution. 4# Special precautions are specified for drying and grinding! delivery of lump color to tho grinder at a maximum temperatu of 100p and establishment of 180F as the maximum permleslb min temperature during grinding. i* The time for the dried Itsas la Inaraaaad to li hours to depth of masstona and blueness of tint* s Seventeen pounds of Ootanol (8N5S8) are added before heating w0 JPiuuwf rOis Qw!lS|| ufatf ^"9Xv{g8ilS6 a The following summarizes the variables reooasended for controlling RT*-44SSS5*D-i manufacture in #90- Builddiinngg,. Ho attempt ia made to supply m a0K straight* formula for tho experience with t&e suggested variable eoabinati the- proper approaoh to"the prolan* The prooedure on which these suggestions are- mode ia based on the modified 0 Building' formula uJSjvfc'amian su%e >aas iall' sows* Basic proooaa but bake only 4 hours at 180P, Baals proses*. This is a tentativa proosdure nd mover has boon triad in tho riant* Sons death and dullnessi <of maaatona may result from tho uao of the*accessory* laboratory taste indicate that DUP050067281 *7* aulfurio and aeetle aoid* bet and arejatlafaetory but these should be cheeked m the first plant Mia process but ** a* Use 14 "Lithosol" Acid T0B (!f*88} as an "accessory* in the dlaao (460 its# 1*40? plus 8 lbs* 1-38} It is inadvisable to use nore than 14 H-86 because of probable bleed# b* Bata at t80F for 6 hours self* This is a tentative procedure never' tried in plant# Baal presses hut** a tree M dun Rosin (N*31S> to replace E toed realm (H*839)* b* Xnereaae roalnate amount 254 (280 ihe# H*512* 37*1/2 jf*7 1004 In 280 gallons)* s# increase development pH to 8*6*8* (requires additional 8*10 its# caustic soda 1004 after coupling}# d# Mach slurry after heat davelopseat# This hat not boon tried la the plant* Beale process butt* a* ___ __ inate amount 054 (880 ibo# JW339* 37*1/8 B*7 1W in 869 gallons}* b Increase development pH to 8*6*8# (requires additionsa'l 0*1O lbe* caustic soda 1004 "after couplilnmgg}) c* Decrease volume f BOHS eslurry .fust before coupling from 8680 gallons (8* Vat 902) to 8480 gallons (05"Vat 902)* d, Q'siHit slurrv after heat davalonsta&& c DUP050067282 ABtfooMs similar to that sosmsetsd fop dark ****** m to a.yellow tlat, except f elimlaatlon of the quenching stop, bos $1090 jipMIto tad li^itOK material la too trials* A suggested procedure tfeiet* has not boon Mot la tbe plant but which stead give move dependable performance fellowst* a# fee op to maximum of l "Uthosol'1 Acid TOB (h -88) as sa ''accessory* la the dlaso (486 lbs* H*487 plus 8 lbs# Mt) b* Xasrsas* rosinate amount W$ (S80 lbs* H*339 * BM/g M 1686 la 880 gallons). o* Decrease volume of 808 slurry lost before coupling 9680 gallons (98 Vat 808) to 6480 gallons (il Vat 902). d* Increase development pH to 8,6-8.9 (require** additional 8-10 lbs* caustic soda 16% after coupling)* e* Quonch slurry to 160-170? after beat development. BiMMlmJtmAAM l* Haaufaeture la #9 Building appears to average much lighter la masstone tbaa #6 Bailing production* 8* Quenching after beat development appears to eat down thle lifbfc masstono fc endenoy bat apparently at tbe Mease of a ellgat Increase la yellowness Of tint. 3* Volume adjustment for tbe B6H slurry prior to coupling most be beiied only oa manometer readings* If a measuring lUet mast be used* the foraalated volume measurements mast be itnocrtebaese#d5 by 88$S* Building Ibis slurry bulking phenomenon, If preset operation to my extent, stay partly account for tbe tendency of #8 Building manufacture to go light la oasatone (see above). #6 Building stick measurements (eg 100") were tranalated directly to #9 Building Monster measurement* (10Ofl) with a possible increase la aotua1 volume of as Mb as m$* increased coupling volume is sa effective variable to obtain U$xt aasstonas la Hf*48S-D# Sthheorree Iis ao patent restriction la tbe manufacture of RS-485-D* it is not believed that this study bas resulted la eay patentable DUP050067283 SGSSLm0iS3SSSSSASiHSSlms9 of of oofA# - f t ms a * faro*tol\iidlnoiB6o*ulfo2&e aoid* EOAOSA Tf ftmi * 4f fctolaut Aafd * Beta y^t fftl!i*)^ acid* BOH * BoIsa hydroxy naphthoio aeid* DUP050067284