DEP0031121DA - Process for the degradation of natural or synthetic rubber for the production of rubber mixtures or rubber solutions - Google Patents

Description

(16) Frankfurt a. M. '
Lichiensteinstrasse 3, Telei. 5506Ϊ

Vxankfort a.® MuIn ₉ 30 * 5 * 1950

P 51 121 IV o / 59 b, P -

Today description »

Iheim-Ghemie »

Method of mining p & xrtBoatalE zme € ku making clay

or Säütsehuklösungen *

ώ @ ε Haiaptpateatee _ββ » _β is a Verabrea

stir Heretelltiag of I & uteetata & Eefcuaiagen © der autecliiifclosmigesi dorefa. Dismantling of isatiirlicheBi or sfathetiecheai üaatschök dmreö

In Torrichtuogen, such as orphans or Snetern, "is keansslcimet _t that the rubber" zinc oleate or a mixture of egg oleate and other iron oleate is incorporated "This means that considerable progress will be made with the said aof the degradation of the rubber and nooh other disadvantages" in particular la-aftaufwsnd and Eeitaafwanä for the Maetizier ^ orgai ^ considerably changed

Further tests and investigations have © rgebea _f that other material © or Stoffgemisshe as Abbaiamittel Verwendimg finäen köaaeno As abbaubegüastigcsde means ge-Erfiaöuiig kosnaea Salse in look from polyvalent

"Ε" _Β β of Magneeiuiasj, Calcipjas _P aluminum $ Sinks BIeis s iron ₉ liiekels and cobalt and alipiiatischea or cjcloaliphatiBohen Säurea _s vie saturated or unsaturated Fettsäursnj Hars "- or Paraffixio ^ dationsfettsäarea © aromatieohen the Säurea _s as Bensoeeäare, litrobeneoesäiare,

Bensoylbejazoic acid !, Phthalic acid, Sree ^ lnaphthyl carboxylic acid. The Zueats from Sisakoleat as well as from Geaiischen from Zink-eua "! Iron oleate is the subject of the main patent "Ale soap-forming Eationea, koesaen apart from the aforementioned aiac-h Kupfersalse and Mangsnealse in bstracht. The use of salts of these cations is generally not

* 2

4a they eütwiÄTOgea auesuübea «like« Salse of the kind mentioned above can be one osier su

wevden brought sur Application * All these substances bewie was found _p the valuable © property degradation ¥ O2 & natürliche® and s ^ thetissiies jEautssßfouir considerable Ätassaes the favor and Nooh other advantageous e WiÄsmgea aaesttül3 © a _B They act α · Ε * as Ateti ^ atoreng Gbea strongly plaetisieremde Wirkiaagen eü @ and are able to disperse fillers and sadtre Zueatastoffe sa ^

Di © AnwendUBg the irorliegenfiea I febausiittel system carries out the same way as stated in the main patent * However ®ie the Sautschuk "to W" the Eautschukiaisclasaaigaa in processing SIIT help of forrielitangenp like Wal & s © ö © r Eaetern "" at lemperaturen liber 50 ° _s s "B _e between 60 waö 11 ° © j are incorporated land of Atobsa outer Luftj & utritt dsrehgefiährt" YorauBsetzong is for the effectiveness OCE Abfeaasätse is generally äerea LSslicfcifeeit l> _e Ew fine Dispergierfähigteeit in the Guiiimiisisefeiaag.

The erection of a large gnappe 'toraaefibarer JLb ^ auaittel offers the gate part that maa is not limited to the use of a few substances _f senüera depending on the needs, the firm siaglngliehea substances can choose the application of wad diarqla ßea.iBeh © n _s which consist of si © fler si © hr of the Eatrtschule Ssls ©, is aan able. ^ r

The best AlÄauiilrteng is in general Dorch, Bisensalze ago ¥ org © riafen _e Kobaltes, lead "and Siekelsalse beeitsen Ett ^ as gertogere Abbaawirküssigen as Eiseaealae" Surcii "Soßilaiiaatiori of Salsen rait v € rschiedene & Sstianen with similar or different carboxylic acids and we felt Abbauisittel. produce different degrees of effectiveness with said to the degradation of Kaatscfauk and mutually euüia influence the other properties of the additives in the desired way «i £ an feann further the other 2usatsetofi" e _g such as plasticizers, mineral oils ₉ selective extracts (olefin-rich kineral oil fractions ₉ which are separated by means of liquid sulphurous acid

i2. _e like _it) einsela © the mnd incorporate to sehreren sash hlerdureh the properties and effects © "affect the Atotoaumittel ,, a _e S _a ate Bisarteeitussg the Abtouüittel in the Kautschiakmisciaaugea erleioJatenit In ferweadiaag of degradation means" weldhe grQe @ ere | *. Meagen of Ilse & sself en contain, in manefa ^ n cases the Swgabe voa Üterangsschatsaittelis has proven to be advantageous ex-wieeen *

Me Erf iaösmg was imehetefeend to eialgea examples he "purged this was" as a ground for reduction of action Ballangen the Defowerte (DefoMrte end Defoelastisität) erraitt, the values are indicated (eogenanate blanks) »welofas at Verarlseitaag the same EaötsetakB the same Kairtschtütadeehungen otoe gasats - where were found. "

Example ^ 1;

A Käatsehukmisohong was on the orphan without means of ebteaenden at 9ö ° bellaadelt "It ergefeea the following Biindwerte;

Eiiamisohiseit in üirtuten (after 4 minutes long hoiEOgenerMselig) P ^ 2 4 S 10 15

2300/34 2300/35 ^ 23OO / 34- 23 © o / 34 23oo / 33 22oo / 32

Dsx gleiisiiea j & utsehefo ^ BChung wsrdea Z Sew _e ^ eia.ee ATa bsiföiaittelE sugeeetstj the from 9S ^ SiiüEsalg fön Sranfettsänredeetillat with 2 $> Ferristearst confirmed "It was ©" values achieved1
2e5o / 38 1550/33 1650/2? 16oo / 25 135o / 21 125o / 21

2i

laofeweie daftir _? that aaefo the Salse saturated fatty acids de "degradation effect beiges _f the TEEI Example 1 were ¥ erwendeten ILautsehöfeisisohimg when mixing on the quiet at 9o ° 2 © ew * ^ a J.toba" aaittels incorporated "the ass WSS * before" aiscfe pure and Siateetearat 2 $> stearate stocks Bie gafelen naehBteilenden illustrate the degradation effect · the specified values look upon "look to the eye in example 1" passed blank © _e

Binmisehseit in Minaten (after 4 minutes of done more homogeneous

Mixture)

0 2 4 8 10 15

2050/29 19O0 / 25 ^: Ϊ65ο / ζΓ ^: ΪΕοο / ^^ 5/25 1250/23

₁ 3%

The rubber mixture used in Example 1 was incorporated into Wals® 2 $ of a de-icing agent®, a mixture of 85 $ and 15 $ Ferribensoat produced in a ball mill.
2225/32 21oq / 31 2o5o / 29 1S5d / 3o 185o / 28

Example 4s

Here the disintegrant x & solution, for example, "suspension with an olefin-rich Selectivestralrt zux Asawendmag" fergleielisweiBe warae the Lautschakaiisolmag on the one hand © it 2 $ of an olefiareiehea selective extract alone, on the other hand with 2 ^ a SjÄ & igen Saspensioa from Sickelfeektradradei a Selective oileate.

Bliadwert © after 2> uisats ¥ oa Sj * des Seletetivextraktesi 2550/36 2450/32 24oo / 32 235o / 35 235 © / 34 225o / 31

e SuBpeasion of Hiekeloelat in a selective extract ^ Siasats

2550/36 25O0 / 34 2450/32 24oo / 35 23oo / 34 2o5o / 29

Example 51

With a Zms & tz ? En 2 ^ Koljaltoleat the following results were obtained
2450/33 2400/33 2350/34 2350/35 23ÖO / 33 1950/29

Example Sg

The following results were obtained with the addition of 2% of a SiWigen solution of lead oleate in an olefin-rich Selelrtivestrakt
2400/31 2350/32 2300/32 2250/32 2150/29 1950/25

Example 7 ^

With eine® addition to "Sf ^ one!" ÖsoagsgeaitBOhes of 2 ^ Ferrioleat and 9B $ SeleJfetiverferakt warden inferential ersieltι
275O / 38 2500/33 2350/33 2300/3 © 2300/29 2200/29

Claims (1)

1 _# ) Process suss degradation ν ότι natural and / or synthetic Ifeutsohiifc sweoks production of JSautsohiisohongen or Sautsohukluaungen by degradation of natural or synthetic rubber through heat treatment, in arrangements, like rollers or kneaders ^ na.eh patent _162β « _β dated October 1, 194S) ₈ a characterized _p that the rubber fesw »the mixtures containing isautechuk are added, the aas polyvalent cations, a _a B, of GalciaaiSg aluminum _p zinc, BIeIs ₉ iron» Hiekela and uad aliphatisGhen or cyoloaliplmtigchea acids ^ like saturated or unsaturated fatty acids, Hars ~ _g Hapfrjras * * * or paraffia- or aromatic Bäuren _$ as Beimoesä, ure ₉ alkyl _β ÄraUägrlbeasoesäure Exclusion of ^ inkoleat exist. Z ») Method according to claim 1, no mixture of at least two feaatsehukafebauenden salts with exclusion of a mixture γοη ziskoleate with iEieeixoleate» 3.) The method according to claims 1 and 2 _g kensseiohnet by using a degradation agent that contains apart from a kaKteelmk depreciating salt or a mixture of kautschuicalbbauenaen Sal sen aocfa Easatsstoffsg such as plasticizers, esters, Sinerslole "Selektivestrai: te ₉ Alterongeschutsiaittel ^ or se several 4.) Process according to claims _{1-5 9} ctadtarcii gefcenn that the degradation process at reading temperatures over 5o ° _s v swisciien 6o and 11o °, carried out with air admission