DE1594232A1 - Polymeric adhesives - Google Patents

Description

PATENT LAWYERS.

DIPL. ING. GRALFS, DR. MANITZ

»MÖNCHEN 22. ROBERT-KOCH-STR, I TELEPHONE 225110

12 »Aug. 1966 De / K - P 716

PGLXMKR CORPORAfIOK LBtITISD Sarttia * Ontario, Canada

Polymer-containing adhesives

The invention; looks at adhesive masses and composite " products that contain them. It looks particularly at anhydrous compounds which have improved health properties and those on polar clots of 2-alk7l-alkadiene- (1,3) and one non-ionizable polar coaonomeron based.

based on polar elaeto eggs have been known for many years and their beat knackiness is vague towards liquid media, such as boiap.iel »weep fa · - eer, Sau ran and Kohlonifasseratoffdn, appreciated. I'm typieohee An example of a polar Elaetcaerec who has met the «Ilebiitoiftektor Weiinrerbrcitete Inw * adu7ig» is IBH, a

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rubbery type copolymer of butadiene ^p and ^{acrylonitrile} ^ En uncured state are polar, these elastomers gb ^ - but through determined '''© properties charaktörisierti as low adhesion Ting and low adhesive strength _s the bond strength de: - seriously impair adhesive compositions and their use to more undemanding application · fertilize restrictc ''"';'-", - ^,

The aim of the invention is to provide an improved adhesive "stoffzusätßmertsetzung based e'iiiea polar .Mach-- 'polymer of a conjugated alkadienes -'» Veiterhin ög: s ZiöTdie creating an adhesive on it f "based eiriea polar» ¹ 'ischpoljiaereri eineß conjugated Alkadienso closing Lieh Is ÖE no <> h. 2iol (3 invention, composite products, how to create beispi ^ isweise "laminates baw laminates _$,' dio'die improved KiebBtöffe included- '

It has been found that the adhesion strength is remarkably improved when a polar copolymer of a conjugated alkadiene (1st, "5)"> has an alkene on the second carbonator " _? As a component of a Adhesive "is warped to flame-retardant glue", which leads to the formation of lost adhesives, which contain a reduced amount of reinforcing condensers and "kisbi? IaachGrideii liarzer" ο

& Β Zl9i der- SrfioäMQg was achieved in an improvement in water-free silicone substance "usairnienöetRung", which a polar

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«Us? «Ines» larger »proportion of a © a 2-alkyl and «in # a smaller proportion cn suaindpat

a liitrile and / or allyl ester of unsaturated carboxylic acids ait 3 -δ ftofrleiistoffa-fconran oJLs Comonomares "contains«

The invention also results in an improved composition which comprises an organic diluent and a polar miscibility polymer, which is dispersed in the diluent and which, by means of the poly-polymerisation of a larger chemical composition, comprises a nitrile and a carbonate of carbonate from AirylsMuren In one of the special execution forms, the invention provides a heat-insulating adhesive which contains a mixed polymer with 60-80 mol% of plastic-polymerized isoprene units and 40-20% of synthetic-polymerized acrylics and nitriles a .v $ a * t3 "£ giiea * e Hars includes *" whether "i this ear * in a quantity" of about 100 - 600 parts by weight per 100 waist of mixed polymer "is present"

Pas usable for erflndung8g "m & £ e Klebstoffauaammensetiiung polar Miechpolynere is a Ifiaclipolyaeree that by Mischpolyajtriistios of 2-Al3feyl-Alkadi * n (1 _t 3) and" reuigsten "a polar Coaonomeren was made · Des alkadiene, any geradkett ^ ges or be branched alkadiene (1, 3) which contains between 4 and 10 carbon atoms in the main chain. The remaining atom for the main chain can be any alkyl group

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with 1-5 carbon atoms, such as a methyl »ethyl, propyl, isopropyl, butyl or amyl radical The 2-alkyl-alkadiene (1,3) can also be on the third and / or on another carbon atom ( en) be substituted, such as, for example, 2-ethyl-butyl-but-4i "fi · Sepräetatativ · Examples" of 2-alkyl-alkylene- (1,3) are isoprene, 2-ethyl-butedittt- (1,3 ) _f 2-isopropyl-butadiene (1 _β 3), 2-amyl-btttadien- (1, 3) ♦ 2-Methylpentadien- (1 ₉ 3) and 2-ethyl-hexadiene (1 _e 3). Preferably an alkadiene (1 ₉ 3) with 4-5 carbon atoms in the main chain and 1-2 carbon atoms in the alkyl substituent is used, and best results are achieved with isoprene.

Bas polar comonomers, which with the 2-alkyl-alkadiene (1,3) can be copolymerized, is an ethylenically unsaturated compound that contains one or ewel polar groups, such as the cyanide or carbalkoxy radical. The compound can be represented by the following general formula will!

CH ₂ -C- (CH ₂ ) _n -A
A ■.

in which α is a number from 0-3, A is hydrogen, an alkyl radical having 1-3 carbon atoms, CN or COOR ₁ in which R is an alkyl radical having 1-6 carbon atoms, and at least one radical A is the group GN or COOR. Representative examples of the polar cocoaertite are aoryl nitrile, methacrylonitrile, ethacrylonitrile, vinylidenecyanide, allyl cyanide,

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- 5- 159A232

Methyl © n-glutaronitrile, methyl acrylate »ethyl acrylate, butyl acrylate, methyl methacrylate, ethyl methacrylate, ethyl ethacrylate, esters of ethacrylic acid with methyl alcohol, propyl _{alcohol 9} amyl alcohol, hexyl alcohol and corresponding esters of cyanoaoryl acid. Preference is given to using litriles which are alkyl-substituted in the α-position and unsubstituted acrylic acids. Best results are obtained with acrylonitrile ersielt ₀ Venn the production of copolymers is desired, which consist of two or more units of monomers, a polar comonomer, or may more polar comonomer λ mere ait 2-Alfcyl - »& lkadien- (1 ₉ 3) = Other misehpolymerleierbare monomers are copolymerized _t such as styrene, vinyl pyridine "vinyl chloride may also lon be used in small amounts in the Mischpolymerisationsreakt ·

The proportion of 2-alkyl-alkadiene- (1,3) to the total polar comonomer in the copolymer is above 1s1, based on the molar basis from 51-80 mol% of 2-alkyl-alkadiene «- (1,3) and vice versa vary from 49-20 mol% of the polar comonomer <· pure best results will be the comonomer content at about 25 - 40 mol% kept ο

That for use in compositions according to the invention suitable interpolymer is obtained by interpolymerizing the MoüGmereesiisclies produced, each conventional

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BATH ORIGINAL

lymerisationssystem ssur application can come. It can be a Substansblock, solution or suspension polymerization system be. However, copolymerization in an aqueous emulsion system in the presence of conventional free ones is preferred Radicals as catalysts.

The interpolymer described above is a high molecular weight elastomer and. preferably a solid material. Pas molecular weight of elastomers is gewöhnlieh t by the Bioonoy-Viekosität ausgedrückt-, the ~ according to the Α8ΐ8ί method D-1646-61 is determined "The -tfooney viscosity (ML-4 at 100 ⁰ C), to in this respect Bsschreiburig is taken, the reading represents a TTerdrehungcraiomentes obtained with DE® large fiotor after four minutes of shear at 10O ⁰ C interpolymers used "the Mooney viscosity of the erfindungagesHS can vary within wide OrrenF-so, -between a barely" edible low value from 1 to about 100, vary · For adhesive masses, the use of mixed polymers with a Mooney viscosity of 25 - 80 is preferred · In solid compositions, such as beiepialeweioo hot melt adhesives, the mixed polymers with low Mooney viscosity are advantageously used, namely with ΜΓ .-4 at 100 ⁰ C between 1 and 40, although such ait a Mooney Viscous! did are preferably below 20 »

Die'polaren Miechpolymeren von 2-ftikyl-alkadi®n-Ci _t 3) eufatisfactoryonde. Cohesion- umä adhesion &eiger> 8chaf th _c

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bo that no other accessories for orfinduneßgamäßen Klebetoffmassen required '' ein.fi · For reasons of Wirtaehaftlichkeit jedσch or increase and / to spezifißche adhesive qualities killing _9, it is often desirable extenders! Add fillers, plasticizers or stiffeners, tackifiers, antioxidants and other conventional ingredients to adhesive compositions.

Bass MischpolyEior "ν on.2-Λ1 LCJ / l cllcndiöti .-" ( "!?) With the pola" rea Coaonoiaeren, -beschrieben above ^1, kijütt gewiinechteafalla like others with smaller proportions are Bl & ßtomerer vermiecht as beispieleweiöe KBR (Butadiea-acrylitrile-Iiiech- - "polyaer). or fJoopret? «? It can ebonfallß with smaller ones. There are lots of thermoplastic polymers, such as, for example, styrene-acrylitrile polymeric polymers, Hoiao and mixed polymers of vinyl chloride, if less flexible adhesive is required ; en are, however, eynthetic and natural jiarze which are excellent with the mixed polymer and soften to a »relatively flowable or plastic state ^{at a temperature between 50 and 16O 9} C · Representative examples of compatible resins are rosin, derivatives of rosin, such as for example #hydrierteo oder hydrogeniertββ KoIophoniua, Glycerin- und Pentaerythritestitr von hxdritrt · » Rosin, FaenoUt ^ se, wi.o beiapielow * i * f thermoplastic ·« oderbatiehärtbaren Fhenol «? ormaldehyd ~ nars,

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Resin, Curaaroo-Phenol-Hara, Cimaron-Inden-Resin uad Haree Chlorinated Hydrocarbons · The i-elafcive amount of compatible resin in the adhesive house can vary from a small amount. From about 5 UiUa to about 800 parts per 10Q part of the polar. Mixed polymers vary. 2u "ameatetsun $ s, which" contain between about 10 and 100! Levels of the compatible hardness to 100 files of the polar poljraeren, are in foam one. Xlebaaete uses "ad for applications * bevorsugt" where the efficiency of the textile is important. HShere Keagea dee compatible etrses or the Harse .with 100 - 600! Healing to 100. Part ο of the polar ifi «chpoijmeren are used for HeiBsehBelis <- • glue where good shear and cup resistance is required. Uncommon trap can also be sucked into the glue solution. The amount of filler can easily be determined for each particular adhesive application «

The substance-to-use solutions of the invention are anhydrous and can either be solid or flowable. The solid compositions, such as the hot melt adhesives, are made by mixing and uniform blending of all components at an elevated temperature at which the ingredient is plastic or liquid, can be applied directly to the connecting surfaces

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· However, you can cool down first be and lu an adhesive stab «adhesive tape or a Adhesive powder are molded, then soft «whenever and where is it desired * can be activated by hit ««, i » to connect two or more objects · Jto. fixed ingredient sets represents the polar Hiae & poiyaer «voa 2-alkyl-alkadiene-0,3), like isoprene, insofar as it is a specialty, it is not due to the corresponding one to be replaced- canoe · The invention can also be used in the form of an adhesive, the solution or the peraio & smittel enthMX ^ (adhesive oenent). For this purpose, the polar copolymers alone or with the additives described above in an organic Liquid dissolved or molecularly dispersed, BIe for the Production of such a glue toffee suitable organic Liquids can be polar, preferably low-boiling,. Compounds such as ketones, esters, xethers, imides, halogenated β hydrocarbons and nitro compounds. The above ! liquids solvate the HisehpolyBers. as well as others polyaere accessories, elastomers and whiskers; preferably effect they a complete resolution »Representative Examples

'' Solvating liquids are acetone, methyl ethyl ketone, Tetrahydrofuran, Methylpheflgrläther, Eutyl acetate, Ethyl acetate, Rtethylenohlorld, ethylene dichloricl, trichloroethane, chlorobenzene, 1-Hitropropane and mixtures thereof · Depending on the dissolving power the solubilizing fluid can be the glue be extremely viscous, like this for non-running and

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not dripeccLe KlebctpJffubsrsit ^? eti'or.'Jnrlieb eats; cuor he can love the essence of a SchEticro-loess, such as flies is necessary for brushing, spraying or spraying. For example, a 16% solution contains isoprene-acrylonitrile. Mixed polyning (with ML-4 at 100 ⁰ C of 58) in methylene chloride a viscosity of the adhesive of 46 100 cP at room temperature. The same polymer, when dissolved in acetone, shows a viscosity of only 1040-cP and is quite "flowable X)>&" viscosity dee

P iClcbers can also be fine-tuned to the desired V.'erfc, in that .mau illuminates or lowers the mixed item, y: n © rgeiial't or other polyiaera materials. The glue can can be stored for a long time in the presence of antioxidants and For the connection of different objects, of railways or Sheets and blocks made from different materials to be used ·. When the glue is on the su connecting Surfaces, you can first allow the volatile constituents to evaporate and then war-

) Activate me or solvent to effect the binding. The bond can also soivatize by "evaporation of the · the liquid through a layer of a layer structure a or ianinatee.

The erf.indungSEemäßen Klebstoffzuaaiamensetzungen eign "ik.aieh sur combination of cloth, paper, leather, wood, .Kautschuk, metals and resins, tile bond resistant to let Wa & eer, Kohlenwasieratofföle and" fat, acids, and hall; he-

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high Tefia doors of about 10O ⁰ G.

The following examples illustrate the present invention without limit

example 1

This is a mixed polymer produced by Bsmlaionepolymerieation from isoprene and acrylonitrile, the 36 »6 mol% acrylonitrile (51.0% by weight) and an iSooney viscosity of 58 nice, was.sur making a series of three adhesives v «rv * i <i & * t. Des Bi »chpol / ** r ·, das« it 1.25

tel 4 «100 parts Misüiii> ol / B # r« «etabiliei« rt w? n * _y was * A calender was gowalst, cut into strips and, while moving, dissolved five times the weight of methyl ethyl ketone. A thermosetting phenolic resin was then used from the Pa * Schenectady Chemioai Ine · under the name SP-8014 available iat, zu6etat and dissolved * The quantity ratio <äeg hard relative to "micropolymers" is in Table I on G «wiohtebaei · ^ gtseigte-Di ·. Viscosity of the adhesive at 25®C old tlntm Brookfi * Xd-Vie! co * ettr LT? under

a spindle no. 5 at 12 Up «and 2600 + 300 ~ - ■

The above adhesives were each applied with a brush Stripes of cotton wool (duck) Kr. Θ

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dia 20 JS 5 em large. goods · Ααΐ * $ ea®n Streif m were three • coatings attfg®t; ragöa _e 35i © © rsten two coatings were ead d @? for 30 minutes. 1atzte 60 minutes coated at room temperature getroek @ © ta DI® foe "strips were then SWEi Mi nuten'long? W & XNE- a Infrarofclarap" auslesetat and connected by voting. Pressure of 14 kg / cm ² · With each of the adhesives were in the The type just mentioned, two test laminates were produced »One milled laminate was left on its own and the other was left for 30 sweeps, aged at room temperature ·

The adhesive strength of the bond was then indicated by a "T- * Retraction test "b®" tiffl "t, in which the laminate was peeled off by hand" in order to expose about -2.5 ice of the strips. .Test devices attached and si at a speed of 10 approx / min sucked apart The force required to pull the strips off is given as the Φ-Absiehfeetigkeit

In the same way, test strips were used for comparison fibers ait ent8prec! | # nd9K love made on the basis of a butadiene-aerylnitrile MiftchpoXjvieren, the 34.4 MoI ^ acrylonitrile and had a Mooney viscosity of 60 · The T-peel strength of the Itontrollarainate was recorded and with that of the standard Laeinate in the last two Cells of table I compared

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Table I.

Glue no. I. 2 1 2 2 50 3 2 30th hit »hard Phenolhar3 ,.
Content, (parts / 100 parts
of the mixed polymer) 5.8
4.2 25th 50 6.5,
4.7 6.0
5.1 ί 6.1
3.6 7.1
4.0 Aging unity of the Lami
nats (days) 38 30th 38 13th 100 60 77 T-Abale Strength (kg / cm)
T-pulling capacity (kg / cm)
of controls 6.1
4.9 % Improvement over
the controls 25th

An adhesive was produced on the basis of the Iaoprene-Aerylnitril- "ifisehpolyasren -de · Example 1 · The. ZueaM» Na «tsung «Atkielt rolling · JS« parts (in parts by weight) j

100 47 Theraoplastisohes Hienolhars ** 16

hjdg «tisi. $ rt« s caloiim silicate (average · * fsilGhengrOd · of 0.05 μ)

XSeungeaittelgesisoA. ·

(Aeefcon 26O _v ITetb ^ läthjiketQn 128 and Zsopropanol 12).

17, $

400

Ctoepasty «at ·» de «Handel ii ^ aaea? Bx1og 9-2G,

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BATH ORIGINAL

acc Phenolhars available from Seeectady Chemical Iac. below the Haadelnncjaen SP-12 _f

The composition was prepared as described in Example, with the exception that the Sillkat.füllatoff Calendering in a part of the solid mixed polymer disper * - was yelled »and then further dispersed in the solvent became"

The resulting adhesive had a Brookfield viscosity of 2600 cP and was used as an adhesive in a laminate from Bauawollgewtbe (Duck) Mr. 6 and a flexible polyvinyl chloride film laminated with fabric. The glue would be applied to the strip of cotton fabric as in Example 1 upset, upset. The coated strip was after

Activation by heating, using infrared with a pressure of 14 kg / cm thickly pressed against the smooth surface of the polyvinyl chloride film, which had been wiped off with methyl ethyl ketone. Three laminates were produced in this way . 30tägiger aging at room temperature investigated, and the third was aged for 7 days at a temperature of 71 ⁰ C "the JSrgebnisse are shown in table IX and compared with the results of appropriate controls on the basis of de · butadiene-acrylonitrile Copolymers as used in Example 1 for the controls had been obtained «

100111/071 7

OR! GI _NAL

o-y!

XWibsiekf eeti & 'fceit <fcg / om) J

Fiober

aged 2 days

at 25 ° e 2.3

aged 30 days

at 25 ° C 2.9

aged 7 'ü & ge

at 71'C-:] 2.5

Glue

1.6

Ef qM «. * Mh · * .- * & <

towards the Control

64 82

The above lirgebniaae "intrinsically that the adhesive on the Basi © van isoprene Acrj'lnitril-MischpoB.yiaerem more than 50% solid is ale the corresponding Butadiea-acrylonitrile JCLebötoff,

* ' Example , ^

This example shows that different types of fillers are used in the adhesive compositions according to the invention can be »to *

Uöiter using the isoprene-acrylonitrile mixed polymer Example 1 and various fillers shown in Table III were prepared four adhesives. Expressed in parts by weight, the following composition! Igqpren-acrylaitrile ^ Misohpölymeree, 19 *. Filler 6

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hit * harder phenolic resin Ethyl ethyl ketone

10 75

The filler was blended with the solid copolymer on a calender and the uniform blend became then to produce tinοa glue i «methyl ethyl ketone diipergiert. Then the resin was sugesetst and it was up SU stirred its dissolution, to create a uniform, liquid dispersion «

The adhesives were applied to strips of Bauawollduek Rr. 8 and their T-peel strength as in Example 1 examines the tapes sucked off during the T-pulling test were closely examined, and dl · type of attachment failure was assessed from the appearance of the surface The observations are compiled in Table III with the results of the T-peel strength as Postscript C, A bew. CA, the respective faecal loas failure, adhesion failure or tes Kohislons-Adafielonsvereagen mean "

gabejrle III

Glue
Vr, filler
- * -. · Glue crack
kosity
(oP> T-Ab «iebJ
CkIL reejigkeit
te **) . 1
2 slightly Terarfceit-
dear Xaaalrua
hydrated
Silica
'As-. ' 5,900
3 100 yo days
old 7, «ö
4.5 0 5i6A
S3 *

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hydrated aluminum (53 μ or JJQO mesh.)

Caloium carbonate

ΰ-AbaiehfeBligkeit 2 '! Sage

aging

5.2 A

6.7 CA

The results show that the viscosity of the adhesive depends on the type of filler used. HuS and silica gave adhesives with different viscosity than that. coarser fillers that were used in the: ilebom 3 and A. a'-AbÄie & föstigkoit 4es Lamiaats, the mxt Xlebesv ^ her-

v '; and 30 l'ege was escaped, was bae ^ er-al "that of the Laalnate, dio old the adhesives were 1 - 3 ftors®ß- «llt.

Dr "i Heißschmel2k.leber WUI ¹ OeH .hergestellt by a Mieciipolymeres" US Ieopren and Aor ^ lnitril used vmrde, dae 37 mol% and a ÄeryXnitril contained Moonty viscosity (Ml ⁴ "· at 100 ° C) of 11 was "Bsi this Zuuaaaine connectionm nurd" ei "" MisohUDg from equal parts of a "it Pt" - sol aodifisiert Cu & arouhartes, aäe from the Neville G & eftlefel Pompan ^ under the HÄQdelsbeaeich.iung Nevillae-hftrt is obtained under Glyoerinkaol the Hän-4eltb "be @ until \ mg i ^ ar ^ around BL" rbti: itual is "as

BATH ORIGINAL.

ohee resin used · The Motiso 'of LSischurig; vcu Harsea varied from 100 - 570 Getylchtstoilozs ήν 1GQ Tolle des & .1.i3clvpol, y ~ meren, as in.Saballe IV ^ eaelg-t i «» t # Γ ·: ΐ e. £ uga? R \ en £ «t £ uxi. <«;<Sn were stopped by dissolution. Stripes ce.? ^ Kehpclj / ve ^ öu in a hot -Geaiscli gßpcfcnolaondr Ha'ra «I>ergeLu:; elI.t. Then the solution äes Mischpolymerea in dew liquid Hai'zgemisch · Wurd by adding 2! 'Rush-di-terts butjl-p-kreeol and 0 _t 5 parts of sulfur stabilized "

The hot-dimensional adhesive thus produced was applied to a strip of pine plywood 2.5 15 cm. The strip was then heated to make the adhesive coating tacky, and a second uncoated plywood strip was applied to the coated surface of the first Streu'ons 30 pressed so that there was an overlap of 1.25 cm "The overlap area was 3.1 ears" The connection was aged for two years and then examined for its shear strength. During the test, the free

> Put the ends of the corresponding strips in a tensile tester, clamps and the jaws at a speed of 5 cm / min pulled apart using cranked clamps, so that the pulling force was parallel to the connecting plane The combination of the hot melt adhesives and the test results are shown in dragonfly 17

SAD ORIGWAL

■ i

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Table IV.

Klebetof.? | Geaamthars (parts / 10G T
Ev ₀ ι des MiacbjnolymeT-en)

250 100

25 51 70

Two Ite hot melt adhesives wKs ^ den. w.ie in Example-4-feargeatellt, where the Ißop.ren-acrylonitrile-MiiSchpolymere of Example 4 was used, which is shown with an Eitter Mooiiey- ^ iskosity of 2.5; will »was. Test laxatives were connected to SporrholsB, with Sperrbolsjuad aluminum sheet, connected to Altjmiaiuäblech, each made with the hot melt adhesives in the manner described in Example 4. The composition of the adhesives and the test results are shown in Table V.

Table T Scab sticks tt (Icg / CDI ² > SjperrÄolss on
plywood Alumini.ua
on Aluffii-
nium adhesive Gesantharz ( ¹ JJeIJ e / 100 parts 50
67 not ge
checks
77 le des Miscfctpel ^ örcen)
- BAD ORiQiNAi
4., _- .Λ T
■ -.
# - "- - -
■>'2 23P
100 - I.
tÖ9817 / 0717

m 15S4232

Bas iiischgpl.yaere this example ait © i & öi? sitäti TOQ 2 * 5 "ar more loelicit in wedges hearts as iac Kieohpolj 'ere the example you find ^ ebetoffstfsaoBensetsunfi was slightly up on the strips to the plywood" ad Jlueiniias _4V. Urgent. Me prevented «OGaej-YiskosItät this Mlsciipoljeereo. iiatte no adverse effect on the Stenerfestig- ness & ** Laainat «« as from the tables BF -and ¥ seen ISFE "

Adhesive 2 was named in a Yerfeunä mvm Batmwollduck kit, polished rod! on its T-Absiefefeetigkeit imtereucltt «Ber BtiSscbael-sklebstof f was on a 5 ca wide strip of a Baimrolldtieks ffr. 8 Applied, which was then immediately placed on a ball on a strip of degreased, polished stafslbieamten at 100 ° C. ** ch a Soneseit rtm * S stuntfea at Sfsaextespsrstur the Elebesindune durefi sieving the building »ollduefc-> streifsne v <m des; SteMetreifen dorcfe use of a sag testing device with a Heeeentreimgeecliwinälgiceit less 10 cm / ■ in. Me Φ-Absiebfeeti ^ Eeit des £ eainates amount 4.5 ²

Adhesive 2 who is flexible and how they are suitable »tar , Terblndune voa galjursfrhaitsclisna« It BoIs and von Kreftpepier ■ it

BATH

Claims (1)

594232 P afca ntranspray ■ 1, V / assarfrsie adhesive composition based on a polar copolymer with 51 - 80 iiol% conjugated diene and 49 · = - 20 % at least ;! © inem Comonomarerj. ,, which is a nitrile or © In Alkylestor · of an unsaturated carboxylic acid with 3-8 carbon atoms ^ dadiirch sekeanseiclinetj. that the conjugated diene is a ^ -alkyl-alkadieii ^ Ci ^^ c. ¥ oraug; s = wise isoprene, istο I?) IQ.ebstoffzusaimtiensetung _? dio a polar SJiachpolymsrss with 3-80 mol% of conjugated diene and 49-20% of at least one comonomer _s which is a nitrile or an alkyl ester of an unsaturated GarboasSur with 5 = 6 carbon atoms see and also see 10 and 100 6 weight parts / 100 parts that ■ mixed polymers on a compatible resin with a)? Softening temperature awischea 50 and 160 ° C, with 30v; ohl the mixed polymer as well as the resin is dispersed in an organic liquid ₈ which the mixed polymer solTati- * si-erea kaan / thereby sekennaeishnet ₉ that the conjugated © diene in the mixed polymer a 2 "Alkyl- = aIkadiQn ~ Ci.;, 3),>'Isoprene j is ο 50 Heißachmelzkleber _s of mixing a polar polymer of 51 - 80 mol% of a conjugated diea and 49 - 20% of at least one comonomer contains ₈ , this being a comonora 9098 17/0717 -BAD QRIdiNAL liitril odor is a Alkylsater an unsaturated carboxylic acid having 5-8 carbon atoms, and further comprising between 100 and 600 Gewichtßteil © per 100 parts by dea Mischpolyaeren at an acceptable Hars with oiaer Erv / eichungsteiaporatur Ewißchea contains 50 and 160 ⁰ C, gekennseichaet in that the Miachpolyserö is a mixed polymer of isoprene and a nitrile of an acrylic acid with 3 - 8 carbon atoms, "ad a Mooney-ITiskosltät (ML-4 at 100 ^e 0) sviecaon 1 and hato 4 ₀ laminate baw. Laminate, characterized in that at least white layers are connected to an adhesive composition according to one of the preceding claims. ⁸⁴⁰ 909817/0717