DEP0049124DA - Process for the production of rubber compounds - Google Patents

Description

Prof «J) i% Otto 2ay @ r lisa Ite- *, fea $ t Gatiar (Wide

To JmIi 1949

¥ experience-ö. sur Bex @ telltt & g tfö

Torliegeude ÄrfSjsduzi «ltftert a procedure aar Hsryob. Kaiatsetmfcaisolsiti ^ gea »welc & e on the other hand are easy to cash out imä aad« r @ rasits a feohem 6-eiialt of fill »feoff © a m ± $ ®m iaad iBfölgeä ^ SBes haf'te fmlkasi ^ ate deliver. & laaixd <? it see Iseiapielswais® ma harte BitsohmsigeB ft ^ teoii tkläcbe ZwQQk® isaer τοιχ 3etofe0ofei®ja®aterle.i »which la äex sails a very high GteftaXt (80 ^ m ^ d Kefer)

fülletoffea eBtfealtea «Si® g g

aaf der Mieohw ^ l ^ e o4ef Xm Sa «t € i« r erfaräe ^ t tee h a ssehr liöB® »Sreftverte? iuoii ₀ Bieser ken» by 2ufal & e tföb fslolimacli «yA sq der Miseiixmg Ter ring ext

but irises on the other side like ¹ the 4®s ¥ alksaiaa, tes »^ © r allea

j that iaaaa ^ sI äer production of the gefüiltea Miscfetmgea a relatively toäea Prösentsata destimater Weioiiaaciiuagsaittal 2-ssetst> Imiepleleweise about 15-30 $ _e bcrjSste @ t on the üte & g «^ aatsdliiik«. As a Wsiciimaefcter werä ^ a such toenutsfe, which r ^ »ktioa@fi.Mge Fassersto ff atoms hold ^ b @ ä ^ lel®w®is® im? #Im of

groups, AaiaofrmppeB ώϊ € Ägl «. Hacii ready-made mixtures are Aaxm
tional organic stoves © Iaooyaaate

Examples of such compounds are sipheayl methane triisocyanate or an iJm ^ etsuagsprodukt of one mole of a trihydric alcohol with three moles of a riisocyanate. Mixtures of this kind are possible. boc! t easily into the bsw to confection _a vulcanization Intended form SoB "be brought into a plate bestirnter strength" ulkanisation In the further processing, especially in the?, but then enters sine chemical implementation SWIEC ^ s the Äeichmachern and pölyfunictioöellen isocyanates β in ^ ₁ which? Vernotzung runs uni thus with proper Ifosiermig hardness of ¥ ulkanisates a'xf ά $ η stand brings the _p ait the "same mixture without ^2usata! ? on plasticizers would have been achieved.

The resulting effect is explained by the following position

¥ oa Three kilograms of natural rubber were supplied each time the following Zueanuaenaeteung were produced

Mix 1 Mixture 2 Weight parts Weight parts Shestß 10O ₉ O 10O ₉ O GasruBs QK 3 5O ₉ O 5OpO Oil soot elastic 35 ₉ 0 35.0 kaolin 15.0 15 _s 0 Zinc white RS 1O ₉ O 1O ₉ O sulfur 3.2 3 ₉ 2 Yulkazit f 1.3 1.3 Stearic acid 3 * 0 3.0 Coal tar pach 8.0 Coal tar fuel oil - 2O ₉ O

225.5

245.5

J} er mixture 2 "UFöe towards the end of the production process I $ lfclphenylmefchantrlisooyanet sug © mixes"

Bar respective Kraftferbrauoh was;

Mixture 1 Mixture 2

for the mast'ikafcion of

Sautschuks in & ®xi first

six mini ^1st tob 24 kW sloping au ^ 12 few

When mixing kaolin »

Coal tar peeh _{9 stearin}

ääm? s and? ulfeaisit _v W inaer-

lasts ten minutes 12 kW 12

Huss Slastik (duration 5 min.) 15 kW

Elastic +
Tar hot oil (Daaor 5 min.) 14 - 15 kW

the ßssrusses
(Farmer 27 min _o ) 19 kW 15 kW

$ @ saaitai8ob, for 38 minutes * During 1? Minutes

4 kW saved «

If the poor were allowed to pass through again, cold, "I said."

fm- mixture 1 40-70 kW, && n & remained the orphan

«The kilM consumption exceeded the power of the drive units ^.

for mixture 2 4-0 - 55 kH as the initial peak force Iaindem sα mixture 2 the above-mentioned amount of triiso = cyanate was added, the vulcanization of 4 HUä flap-i in the press for 10 minutes resulted in 4 Atu for mixture 1 di® Shore hardness ύοά 86 °

«R"'2"" ^{w n} B5' ^

« "'1 di © Schopper elaatiaity of 33 %

Strengthening and stretching were almost the same.

Claims (1)

^ out to HerätelluBg of readily processable hochgeftülten Ka & tsoimkl ^ sofawngen, characterized in "that at entllcae / Her Mlachiing ffierstelXung f Gd amounts of" eichmaohern "which reactive ffasserstoffatome enthalteiii elniBißoht and after! completion of the polyfunctional isocyanates