Document rBO2RJ6eYZx25Qn84kvO3vZ6V

GORDON1 M. KUNE, Technical Editot - : '':'-. . .' > 'll PLAINTIFF'S EXHIBIT Genera!" c>iloride-Teaft&icommao^intfegt<p|^^S^ i* - _ t. * --1.--,,a #li j>1vi *. rtrifrft- ' TREND of vast'.purport has. been toward " the . A utilization of plastics by the'armed forces'of.evbyy ; . major nation.1'- Military applicalionsV'defUnteaiid potential, include, laminated materials in airplane .con struction, Cast resins in.guide lines on aiiylaneparriers,; .proyu'ctidnrbrplMti^Mt^-ceHtO : . emplbyediVahdtthe^fuftHbif'actiyf^j luminescent resins in. Various military devices;(tinted cellulose'acetate windows for air raid protection, ;gun stocks ofcelluloseacetate and fabric-filled phenolicresins, , plasdra rWere^e^rt^^tfa^hel cellulose' acetate chutes' for conveying ammunition .Kite ucta.}^iwratp^^mra^||' from,boxes, to.;machine(guns in airplahesi';,phenolic , ' of Tennessee RbMarch'.Cbinpb moutlipieces and .'containers for gas masks,' impregna-. . } 'tirin'of the fabric, of gas masks with vinyl cldoride resin ; I' as a protection against mustard gas, cellulose acetate in' soldier's goggles,.phenolic noses of anti-aircraft sheljs,;. -AloltBrig arid faMicalip? ,, _ ' lmjiroyeme'Bls|!ffi^e^fta,OTd^c0^te^)^^ wi*ncQba`',Kovtt; and, the' po^ible application, of Nylon as a parachu te ' materia}.'; TnTliree British fighting seryieM'thet uses.of ' synthetic resins are. said to exceed 1000 in nuniliefi';,'A; ; ' ing/tfieV^pplaMic'j|natlri^|(ff^^^?a^^^. .survey; of plastics, in the United States defense .economyV indicated'that dlltypes were amply available aud/tHat;', ' the'molding and laminating plants were capable of' .: processToy. handling'extensive increases in production demands.* model it^:b{cjen!petfec^i^!i^^^^^| Another item of general interest is the recommenda molds iiave.bcen: made, and, tion in .British regulations for the electrical equipment of buildings that electrical apparatus of the all-insulated.' :' Applications * _v ' / type be installed.wherever practicable and that the use of electrical apparatus (particularly electric toasters and . hairdryers) having exposed, metal parts, bej avoided as.,' far as' possible/ lamp-holders so constructed of,'{or.so. . shrouded in, insulating material lhaf.il is imp^jble'.tp:_:; : ' this{fiel(fythblb^b^dvpl^ti touch aiiy metal part were also recommended. - The =. ailerpn^eleyatb^lapdiri ayaijability of plastics for the construction" brail-insu lated equipnieiit; particuiarly molded housing, is said:.- . to liaVe prompted this action;4, Materials ' - .. .v j~>V.' P 'j 1 *V/t.V ,, ' 1., XMfoi&ttkEiMit'fP-'iA. Mla' ` XNo really new .plastics appeared bn.tiic market-duriiig- 1910,.biit outstanding progress in devclopitig^icrcaasd^ volume,und/new markets can\ic.Vceditcdjc^ecidly; to s die vinyl ester resins and 'ccUu^q'/u^taij^^tyrate.^ int^^atcri^;to6h'.;nifity'of.tli^aj^3i^^ie,^h^ A'tiwtinT'' Tl/fnllnwi'-' Dtnul!/i'o.! ', _ is. VMownyw****! -- DivuBOQ oo Hubbcf'and I'lutJci of the Arnettcun Society of Mectmolca! ErigP'- :_--^` . Tr^ftMoeioipl'Pti*.o...__ Been, Dec* 5,19W;Nov.York. ' > ~ - r-J V* i -r ^ "V Sz*J*^-?*#,***HK& ~f j- 'i '_ - <' ` <- ' " % > C^-r 41 I; ! as: il ' #* / ' .'-.v f?iKvv-;];'fc i - ~ f'_.* t i ?^JT'r !r! :7.J ,, Futtpcf development^' ^ v futurei .>nTHc-:.m :;. definitelypcissicl -'` tiea ta clear uxjiM lacriurr-i anti &eaiers - Y'V. - and' ncli rewdr^fc <v ... - ;. prompt aavamage oi,ineconunuea;aueam;ut~u&jveiojK^.jy.g^s.v,vif..it|Er forer found use m.a w; !e vanety' .of metal enamels. . .. merits fVbmtte 9W???0*. ^:;?bo 'de-. vclopeddunng 1940 winch for certain applications, such , as clear wood finishes, ,-ould be. baked at temperatures mucii Jdwcr.thdn reijiiii ed by.'previously available ther mosetting resins. As the answer. to production line . requirements,,they..will certainly find.increased use'in r and''tliSciicniibal^ndusfry. * . - -1,'fv'i"". Pkfcnol resins by Ss.'Hh.;.-hHaAlLlL**:.i' -Vy - ,V" * - '.r' ; * ' .*-'_! j'''V '/ >^r, :j#V|y ; ,, y ^-y V5`-^-.|r, ~ ly***iCy- 5- If tho;fii,e,dr';futurcV 'Plasticized virea Vesihs in, .emulsion ' " Y' ' y' y Y7` "* 1 Aj- ?1 i NFORTUNATEJLiY for a discussion of this type.1 t 1 . as cleitf finishra on paper and textiles. ; 'Melamine; rtis.~Undoubtcdly the most out- . . Ifin gliftnpli6'Ihcoiefi-; y- ; standing development for the paint industry in 19:10 . cal inyesUbmliohsWhicii.Ka^e^ppeEircd^fdffpnYitCjahd - '. * , ' s 1 made from melamine traqr^harY, 'cI.oscly approac!nrig molded plastics'.in' J , tli8_'.!r^licct.y\lRjelannnc.resins have also been?found. heats., They also exhibit superior resistance exposure and to grease and chemicals. Wi bjnation; of characteristics melamine resin into' enamels for use on everything froii refrigeratoi^,.frpm autos to cake boxes. ' . Baking equipment , ., `"rJ. M'iirtK *! It!''r\WatIri11>*-l4'i*iTtrtn> The trend of industrial research from patents allowed .is'' shown definitely' t , -` - ' .VT- '-V-- - .' ' ,'' group. Very litrie appears Jn'Tthe strictly.; unmodified' group. The most interesting'^develppm^tsNdn'---]lj!ds-latter;group are .the'. c61d*scttii)gj`pf--a;-.liquid:gh.enbl-: formaldehyde resin with arii,t a;water wtidtie^heholri ^aenyaecongep^u.onproapct^tumam^neOTtmyst ; i? fj which is siutahle;' ''*resfii compositioh'which wUrnot-haWeiit'at.rcSmltem- --iS*' 'temperatures, :;V... .' Turning' to the 'modified group,':dnd;firias>sfeVerhrex.\V-^^^Si^M'tyrifi5^^^|^'{tf^q:^^:; cellent advances in resins for coaliries-:arid' imbretrnaU: .. i ' . upavvitig uj tins ptic<iUii>`^iaduvo:uuiu Jiictj jjc CApcyicu*. . .-. iV^uc^^'beepbijtain^byrea^l'jmb^ri'niaietpr^.i'^^j^^^^^^j^^^^^ nnlivriride niiri ri nlienril at elevated temrieratiire nliis a ' 3i?>l^StiyiScn ttaefntvu^'&lWirfib'.florSciStt' with dimetfiylpl' urea., irnprt fonnaldehJdc'restns.`.'-rA;g!|t tion, brake {in from a" resinester'from csl is-Sikde-V.''-.': soybean meal; arid- wopdflp.ur .;iu The 'jjrppbjftions ;bf;> } >\ J6' u w*,w, 3:3:2 is said-tp'prdduce^amoldirigjcpm^u'nd'wiith^asX;- ;;:; - ~ fine a finish/curte./strength'J'arid .peimhnerice'.as'. the :^ 4",'- "1 average phenolic compound.4?.; Yet;.ahotlier. material . Rewib'lrsoverf^a`dV'a ,'J > - r-?2S*te4P for. molding, ppatirigs .pr/oceasepTrapfifabncsjhas hce'n /0rr bie~r&lw0&$f7! patented--fonnedhy. reacting-aYphenol/.an/aromatic ' sulfonamid ami a halogenatcd;'afiphatic.'group^-` --; ~ - - There lias been also a great- expansion'orJbrwidening - < of research in 'pursuit of. further apf[ficaii6.ns;as.;wit-; nessed by the tremeudoasdnciedse'intthefdeyclopmeht'.? i ` 11 If? Sii^feTfc ' ' of. phenolic. resins forv varnishes,'ibnamels, printing inks arid.- oilier. iuiportant' pu.tle^e"d^v-Gonclusivc^ ii proof of .advancement..is/-:nq sd^ "^ consistent. incifriaseoti>tpdU(itioiv- by. Oie|pjSno|id^teittCi^li' maiiufactdccrsjYS^ic^prTOlfptipn^bein^'j^^diwI^^I ''^\ddpn5'eXbf`!tetiirraK(r-grOTtdn:.setvicfei'TOibgiii,Si'3Sc*^ .iridiistryih'gencral.' .. -~l/S' V 7-1V' .-'- ,* , 1., Krnnx.IIniiUH. Knch {unht nnti- Kricli- Zir^Jer. jotjmal /Qr pniiit)t*clw?.-r,^;,. <'hoiuto t53t 327-JWi'.; " \ ,, V v , `> 2,vOrgnIc C!icmicnndiutlry(USSn5^3,365-93.^ ^ ' ir--J.'. L..i ' n -y . -.yv*'. - . r*V.*w -> v '.j-J - ' ix-''zVv /V" ^'t- 1