DE2261402C3 - Adhesive based on a dispersion of homo- or copolymers of vinyl stern - Google Patents
Adhesive based on a dispersion of homo- or copolymers of vinyl sternInfo
- Publication number
- DE2261402C3 DE2261402C3 DE19722261402 DE2261402A DE2261402C3 DE 2261402 C3 DE2261402 C3 DE 2261402C3 DE 19722261402 DE19722261402 DE 19722261402 DE 2261402 A DE2261402 A DE 2261402A DE 2261402 C3 DE2261402 C3 DE 2261402C3
- Authority
- DE
- Germany
- Prior art keywords
- vinyl
- weight
- percent
- dispersion
- aqueous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000853 adhesive Substances 0.000 title claims description 30
- 230000001070 adhesive Effects 0.000 title claims description 30
- 239000006185 dispersion Substances 0.000 title claims description 30
- 229920001519 homopolymer Polymers 0.000 title claims description 9
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 title claims 8
- 229920001577 copolymer Polymers 0.000 title claims 3
- 241000272168 Laridae Species 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 11
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 11
- 239000000084 colloidal system Substances 0.000 claims description 10
- 230000001681 protective Effects 0.000 claims description 10
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 9
- 239000011118 polyvinyl acetate Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 229920001290 polyvinyl ester Polymers 0.000 claims description 8
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- ODGAOXROABLFNM-UHFFFAOYSA-N Polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 230000002378 acidificating Effects 0.000 claims description 4
- -1 aliphatic alcohols Chemical class 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920001567 Vinyl ester Polymers 0.000 claims 9
- 229920000642 polymer Polymers 0.000 claims 6
- 125000004432 carbon atoms Chemical group C* 0.000 claims 5
- 239000004848 polyfunctional curative Substances 0.000 claims 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims 2
- 239000005977 Ethylene Substances 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- 150000002148 esters Chemical class 0.000 claims 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N fumaric acid Chemical compound OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 2
- 150000002763 monocarboxylic acids Chemical class 0.000 claims 2
- 238000006116 polymerization reaction Methods 0.000 claims 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 claims 1
- COSWCAGTKRUTQV-UHFFFAOYSA-N 1,1,3-trimethylurea Chemical compound CNC(=O)N(C)C COSWCAGTKRUTQV-UHFFFAOYSA-N 0.000 claims 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims 1
- HLOUDBQOEJSUPI-UHFFFAOYSA-N 1-ethenyl-2,3-dimethylbenzene Chemical group CC1=CC=CC(C=C)=C1C HLOUDBQOEJSUPI-UHFFFAOYSA-N 0.000 claims 1
- PLMJVWIXXMSEEK-UHFFFAOYSA-N 3-[2,2,2-tris(prop-2-enoxy)ethoxy]prop-1-ene Chemical compound C=CCOCC(OCC=C)(OCC=C)OCC=C PLMJVWIXXMSEEK-UHFFFAOYSA-N 0.000 claims 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N Citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 claims 1
- 239000004641 Diallyl-phthalate Substances 0.000 claims 1
- 239000004831 Hot glue Substances 0.000 claims 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N Itaconic acid Chemical compound OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 claims 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N Vinyl fluoride Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 1
- 230000002730 additional Effects 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive Effects 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims 1
- 235000019270 ammonium chloride Nutrition 0.000 claims 1
- ZPOLOEWJWXZUSP-WAYWQWQTSA-N bis(prop-2-enyl) (Z)-but-2-enedioate Chemical compound C=CCOC(=O)\C=C/C(=O)OCC=C ZPOLOEWJWXZUSP-WAYWQWQTSA-N 0.000 claims 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 claims 1
- 229940018557 citraconic acid Drugs 0.000 claims 1
- 150000001991 dicarboxylic acids Chemical class 0.000 claims 1
- 239000003995 emulsifying agent Substances 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- WNMORWGTPVWAIB-UHFFFAOYSA-N ethenyl 2-methylpropanoate Chemical compound CC(C)C(=O)OC=C WNMORWGTPVWAIB-UHFFFAOYSA-N 0.000 claims 1
- GLVVKKSPKXTQRB-UHFFFAOYSA-N ethenyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC=C GLVVKKSPKXTQRB-UHFFFAOYSA-N 0.000 claims 1
- GFJVXXWOPWLRNU-UHFFFAOYSA-N ethenyl formate Chemical compound C=COC=O GFJVXXWOPWLRNU-UHFFFAOYSA-N 0.000 claims 1
- AFSIMBWBBOJPJG-UHFFFAOYSA-N ethenyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC=C AFSIMBWBBOJPJG-UHFFFAOYSA-N 0.000 claims 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 claims 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 claims 1
- 230000036545 exercise Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 125000004435 hydrogen atoms Chemical class [H]* 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxyl anion Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims 1
- QDHHCQZDFGDHMP-UHFFFAOYSA-N monochloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 claims 1
- 150000002825 nitriles Chemical class 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XTXRWKRVRITETP-UHFFFAOYSA-N vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000009833 condensation Methods 0.000 description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K Aluminium chloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- VFGRALUHHHDIQI-UHFFFAOYSA-N butyl 2-hydroxyacetate Chemical compound CCCCOC(=O)CO VFGRALUHHHDIQI-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical class [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical class [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Chemical class 0.000 description 2
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- AKTDWFLTNDPLCH-UHFFFAOYSA-N 1,1,3,3-tetrakis(hydroxymethyl)urea Chemical compound OCN(CO)C(=O)N(CO)CO AKTDWFLTNDPLCH-UHFFFAOYSA-N 0.000 description 1
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 1
- JLDSOYXADOWAKB-UHFFFAOYSA-N Aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 description 1
- DVARTQFDIMZBAA-UHFFFAOYSA-O Ammonium nitrate Chemical compound [NH4+].[O-][N+]([O-])=O DVARTQFDIMZBAA-UHFFFAOYSA-O 0.000 description 1
- 240000000731 Fagus sylvatica Species 0.000 description 1
- 235000010099 Fagus sylvatica Nutrition 0.000 description 1
- VGGLHLAESQEWCR-UHFFFAOYSA-N N-(hydroxymethyl)urea Chemical class NC(=O)NCO VGGLHLAESQEWCR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical class [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001143 conditioned Effects 0.000 description 1
- 230000003750 conditioning Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910000349 titanium oxysulfate Inorganic materials 0.000 description 1
- 229910052720 vanadium Chemical class 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium(0) Chemical class [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 description 1
- 229940041260 vanadyl sulfate Drugs 0.000 description 1
- 229910000352 vanadyl sulfate Inorganic materials 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N zirconium Chemical class [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- IPCAPQRVQMIMAN-UHFFFAOYSA-L zirconyl chloride Chemical compound Cl[Zr](Cl)=O IPCAPQRVQMIMAN-UHFFFAOYSA-L 0.000 description 1
Description
Die wasserlöslichen, niedrigkondensierten Harnstoff-Formaldehydharze werden erhalten durch Kondensation von Harnstoff und Formaldehyd im Molverhältnis 1:1 bis 1:4, vorzugsweise 1: 2 bis 1: 3 und hegen in Form einer wäßrigen Lösung mit 40 bis 70 Gewichtsprozent Harzgehalt vor. Die Lösungen enthalten überwiegend die einfachen Methylolharnstoffverbindungen Mono-, Di-, Tri- und Tetramethylolharnstoff. Das erfindungsgemäße Klebemittel enthält etwa 1,5 bis 3 Gewichtsprozent, bezogen auf die Gesamtmischung, der wäßrigen Lösung des niedrigkondensierten Harnstoff-Formaldehydharzes.The water-soluble, low-condensation urea-formaldehyde resins are obtained by the condensation of urea and formaldehyde in a molar ratio 1: 1 to 1: 4, preferably 1: 2 to 1: 3 and are in the form of an aqueous solution with 40 to 70 percent by weight resin content. The solutions contain mainly the simple methylolurea compounds mono-, di-, tri- and tetramethylolurea. The adhesive according to the invention contains about 1.5 to 3 percent by weight, based on the total mixture, the aqueous solution of the low-condensation urea-formaldehyde resin.
Als wasserlösliche, saure Metallsalze -verden solche Metallsalze verwendet, die mit Polyvinylalkohol unter Vernetzung reagieren, beispielsweise Salze des Aluminiums, Eisens, Chroms, Titans, Zirkons oder Vanadins. Geeignete Salze sind Ammoniumnitrat, Eisen(HI)-chlorid, Chrom(III>-nitrat, Titanylsulfat, ZirkonoxycJilorid oder Vanadylsulfat, vorzugsweise Aluminiumchlorid. Die Zusatzmengen betragen 0,05 bis 0,3 Gewichtsprozent (fest) bzw. 0,5 bis 3 Gewichtsprozent, bezogen auf die Gesamtmischung, einer 10°/oigen wäßrigen Lösung.The water-soluble, acidic metal salts used are those metal salts which react with polyvinyl alcohol with crosslinking, for example salts of aluminum, iron, chromium, titanium, zirconium or vanadium. Suitable salts are ammonium nitrate, iron (HI) chloride, chromium (III> nitrate, titanyl sulfate, zirconium oxychloride or vanadyl sulfate, preferably aluminum chloride. The added amounts are 0.05 to 0.3 percent by weight (solid) or 0.5 to 3 percent by weight , based on the total mixture, of a 10 ° / o aqueous solution.
Weiterhin können zur Verbesserung der Filmbildung des Klebemittels bei Raumtemperatur die bekannten Filmbildehilfsmittel, z. B. Glykolsäurebutylester oder Butyldiglykolacetat, in Mengen von etwa 1 bis 3 Gewichtsprozent, bezogen auf die Gesamtmischung, zugesetzt werden.Furthermore, to improve the film formation of the adhesive at room temperature, the known Film-forming aids, e.g. B. butyl glycolate or butyl diglycol acetate, in amounts of about 1 to 3 percent by weight, based on the total mixture.
Das erfindungsgemäße Einkomponentenklebemittel ergibt Holz- und Papierverklebungen, die längeren Feuchtraum- und Kaltwasserlagerungen ausgesetzt werden können, ohne daß sich die Verklebung löst, wofür bisher wäßrige Polyvin>lesterdispersionen nicht oder nur als Zweikomponentensystem geeignet waren. Die Lagerbeständigkeit beträgt mindestens ein Jahr, ohne daß das Klebemittel seine Gebrauchsfähigkeit verliert, und entspricht damit der Lagerbeständigkeit der bekannten Dispersionsklebemittel. Auch die sonstigen vorteilhaften Eigenschaften ^uter Dispersionsklebemittel wie lange offene Zeit, kurze Abbindezeit, hohe Bindefestigkeit und gute Temperaturbeständigkeit der Klebfuge werden beibehalten. Das erfindungsgemäße Klebemittel eignet sich ferner zum Verkleben von Preßschichtstoffen, Schaumstoffen, Textilien, Leder, Asbestzement und anderen porösen Materialien.The one-component adhesive according to the invention results in wood and paper bonds, the longer ones Can be exposed to damp rooms and cold water without the adhesive loosening, for which previously aqueous polyvinyl ester dispersions were not suitable or only suitable as a two-component system. The shelf life is at least one year without affecting the usability of the adhesive loses, and thus corresponds to the shelf life of the known dispersion adhesives. Also the other advantageous properties of dispersion adhesives such as long open time, short setting time, high bond strength and good temperature resistance the glue line are retained. The adhesive according to the invention is also suitable for Bonding of pressed laminates, foams, textiles, leather, asbestos cement and other porous materials Materials.
Ein Klebemittel folgender Zusammensetzung wurde hergestellt:An adhesive of the following composition was produced:
95,5 Gewichtsteile einer 50 %igen wäßrigen, homopolymeren Polyvinylacetatdispersion mit 7% Polyvinylalkohol als Schutzkolloid,95.5 parts by weight of a 50% aqueous, homopolymeric polyvinyl acetate dispersion with 7% polyvinyl alcohol as protective colloid,
1,5 Gewichtsteile einer 50%igen wäßrigen Lösung eines niedrigkondensierten Harnstoff-Formaldehydharzes, 1.5 parts by weight of a 50% aqueous solution of a low-condensation urea-formaldehyde resin,
1,5 Gewichtsteile einer 10%igen wäßrigen Lö- °o sung von Aluminiumchlorid,1.5 parts by weight of a 10% aqueous Lö- ° o solution of aluminum chloride,
1,5 Gewichtsteile Glykolsäurebutylester.1.5 parts by weight of butyl glycolate.
Ein getrockneter Film aus diesem Klebemittel läuft nach längerer Wasserlagerung nicht weiß an und reemulgiert auch nicht, während Filme aus bekannten Dispersionsklebemitteln stark quellen oder vollkommen reemulgierbar sind.A dried film made from this adhesive does not turn white after prolonged storage in water and re-emulsifies neither, while films made from known dispersion adhesives swell strongly or completely are re-emulsifiable.
Beispiel 2
Ein Klebemittel ausExample 2
An adhesive off
38,0 Gewichtsteilen einer 50%igen wäßrigen, homopolymeren Polyvinylacetatdispersion mit 10% Polyvinylalkohol als Schutzkolloid, 57,5 Gewichtsteilen einer 50%igen wäßrigen, homopolymeren Polyvinylacetatdispersion mit ίο 5% Polyvinylalkohol als Schutzkolloid,38.0 parts by weight of a 50% strength aqueous, homopolymeric polyvinyl acetate dispersion with 10% polyvinyl alcohol as protective colloid, 57.5 parts by weight of a 50% aqueous homopolymer Polyvinyl acetate dispersion with ίο 5% polyvinyl alcohol as protective colloid,
1,5 Gewichtsteilen einer 50%igen wäßrigen Lösung eines niedrigkondensierten Harnstoff-Formaldehydharzes, 1.5 parts by weight of a 50% aqueous solution of a low-condensation urea-formaldehyde resin,
1,5 Gewichtsteilen einer 10%igen wäßrigen Lösung von Aluminiumnitrat und1.5 parts by weight of a 10% aqueous solution of aluminum nitrate and
1,5 Gewichtsteilen Glykolsäurebutylester1.5 parts by weight of butyl glycolate
wurde zu einem Film vergossen. Zum Vergleich wurde eine bekannte wäßrige homopolymere Polyvinyiacetatdispersion mit 50 Gewichtsprozent Feststoffgehalt und 5% Polyvinylalkohol als Schutzkolloid in gleicher Weise behandelt. Vor der Filmherstellung wird dem erfindungsgemäßen Klebemittel und der VergleichsdisDersion etwas Wasser zugesetzt, um die Luftblasenwas shed into a movie. For comparison was a known aqueous homopolymeric polyvinyl acetate dispersion with a solids content of 50 percent by weight and 5% polyvinyl alcohol treated as protective colloid in the same way. Before the film is made, the Adhesive according to the invention and the comparative dispersion, a little water was added to remove the air bubbles
as zu entfernen. Durch Aufgießen einer abgewogenen Menge auf eine ebene, mit einem umlaufenden Rand versehene Polyäthylenplatte werden Filme mit einer Trockenfilmdicke von 0,8 mm erhalten, die 7 Tage bei 23°C und 50% relativer Luftfeuchtigkeit klimatisiert werden. as to remove. By pouring a weighed amount onto a flat polyethylene plate provided with a circumferential edge, films with a dry film thickness of 0.8 mm are obtained, which are conditioned for 7 days at 23 ° C. and 50% relative humidity.
Die Wasssraufnahme der Filme wird durch Einlegen in Wasser von 200C und anschließendes Wiegen nach 15, 60, 120, 240 Minuten und 24 Stunden Wasserlagerung bestimmt. Ein Film aus dem erfindungsgemäßen Klebemittel ist wesentlich wasserbeständiger als ein solcher aus der Vergleichsdispersion, wie die nachstehende Tabelle I zeigt:The Wasssraufnahme of the films is determined by immersion in water at 20 0 C and then weighing after 15, 60, 120, 240 minutes and 24 hours storage in water. A film made from the adhesive according to the invention is significantly more water-resistant than one made from the comparison dispersion, as Table I below shows:
Wasseraufnahme in % einesWater absorption in% of a
Klebemittel- Films aus derAdhesive film from the
Films nach Vergleichs-Films by comparison
Beispiel 2 dispersion
45Example 2 dispersion
45
93,0 Gewichtsteilen einer 50%igen wäßrigen, homopolymeren Polyvinylacetatdispersion mit 7% Polyvinylalkohol als Schutzkolloid,93.0 parts by weight of a 50% aqueous, homopolymeric polyvinyl acetate dispersion with 7% polyvinyl alcohol as protective colloid,
3,0 Gewichtsteilen einer 50%igen wäßrigen Lösung eines niedrigkondensierten Harnstoff-Formaldehydharzes, 3.0 parts by weight of a 50% aqueous solution of a low-condensation urea-formaldehyde resin,
2,5 Gewichtsteilen einer 10%igen wäßrigen Lösung von Chrom(III)-nitrat und2.5 parts by weight of a 10% aqueous solution of chromium (III) nitrate and
1,5 Gewichtsteilen Glykolsäurebutylester.1.5 parts by weight of butyl glycolate.
Mit diesem Klebemittel sowie mit einem Vergleichsklebemittel in Form einer bekannten wäßrigen homopolymeren Polyvinylacetatdispersion mit 50 Gewichtsprozent Feststoffgehalt und 5% Polyvinylalkohol als Schutzkolloid wurden Prüfkörper aus Buchenmassivholz nach DIN 53 254 verklebt und nach Lagerungsfolge 1 sowie auf Wasserbertändigkcit nach Lagerungsfolge 4 und 5 (DIN 53 254) überprüft. Lagerungsfolge 1 besteht aus einer 7tägigen Klimatisierung der Prüfkörper bei 200C und 65% rel. Luftfeuchtigkeit, Lagerungsfolge 4 aus einer 7tägigen Klimatisierung bei 200C und 65% rel. Luftfeuchtigkeit und anschließender 24stündiger Wasserlagerung, während Lagerungsfolge 5 daran nochmals eine 7tägige Klimatisierung bei 200C und 65% rel. Luftfeuchtigkeit anschließt. We Bindefestigkeit nach Lagerungsfolge 5 wird auch als Wiedertrocknungsfestigkeit bezeichnet.With this adhesive and with a comparative adhesive in the form of a known aqueous homopolymeric polyvinyl acetate dispersion with 50 percent by weight solids content and 5% polyvinyl alcohol as protective colloid, test specimens made of solid beech wood according to DIN 53 254 were bonded and according to storage sequence 1 and water resistance according to storage sequence 4 and 5 (DIN 53 254) checked. Storage sequence 1 consists of a 7-day air-conditioning of the test specimens at 20 0 C and 65% rel. Humidity, storage sequence 4 rel from a 7-day conditioning at 20 0 C and 65%. Humidity and subsequent 24 hours of storage in water, while storage sequence 5 from a 7-day air-conditioning rel again at 20 0 C and 65%. Humidity connects. We bond strength according to storage sequence 5 is also referred to as re-drying strength.
Die nachstehende Tabellen veranschaulicht die erhaltenen Ergebnisse:The table below illustrates the Results obtained:
Nach Lagerungsfolge 1According to storage sequence 1
Nach Lagerungsfolge 4According to storage sequence 4
Nach Lagerungsfolge 5According to storage sequence 5
Die Bindefestigkeit der Verklebung mit dem erfindungsgemäßen Klebemittel ist nach 24stündiger Wasserlagerung noch meßbar, während die Prüfkörper mit »5 dem Vergleichsklebemittel in Wasser zerfallen. Die Wiedertrocknungsfestigkeit der Prüfkörper mit dem erfindungsgemäßen Klebemittel erreicht nahezu den Wert der Ausgangsbindefestigkeit (nach LagerungsfoJge 1).The bond strength of the bond with the adhesive according to the invention is after storage in water for 24 hours still measurable while the test specimens disintegrate in water with the comparison adhesive. the The dryness resistance of the test specimens with the adhesive according to the invention almost reaches that Value of the initial binding strength (according to storage situation 1).
Claims (1)
wasserlöslichen Harnstoff-Formaldehydadduktes Ais wäßrige Polyvinylester persionen sind PoIy-unsaturated monomers, where the proportion of an adhesive consisting of an aqueous, 1 to polymerized vinyl ester in the polymer is at least 15 percent by weight of polyvinyl alcohol, based on 5 50 percent by weight, 1.5 to 3 percent by weight of the polymer proportion of the dispersion, as protective a water-soluble urea Formaldehyde adduct colloid-containing dispersion of homo- or with a molar ratio of urea to form copolymers of vinyl esters with one another aldehyde of 1: 1 to 1: 4, which is predominantly mono- or with other ethylenically unsaturated mono-, di-, tri- and tetramethyl urea consists, 0.05 to mers, the proportion of polymerized io 0.3 weight percent of a water-soluble acidic Me-vinyl ester in the polymer at least 50 weight metal salts and optionally 1 to 3 weight percent, 1.5 to 3 weight percent of a conventional film-forming aid ,
water-soluble urea-formaldehyde adducts Ais aqueous polyvinyl ester persions are poly-
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722261402 DE2261402C3 (en) | 1972-12-15 | Adhesive based on a dispersion of homo- or copolymers of vinyl stern | |
ZA739228A ZA739228B (en) | 1972-12-15 | 1973-12-05 | Polyvinyl ester adhesive |
GB5759273A GB1440337A (en) | 1972-12-15 | 1973-12-12 | Polyvinyl ester adhesive |
IT732986A IT1001410B (en) | 1972-12-15 | 1973-12-12 | ADHESIVE MEDIA BASED ON POLYVINYL ESTERS |
ZM192/73*UA ZM19273A1 (en) | 1972-12-15 | 1973-12-13 | Polyvinyl ester adhesive |
AU63558/73A AU472865B2 (en) | 1972-12-15 | 1973-12-13 | Polyvinyl ester adhesive |
AR251493A AR201431A1 (en) | 1972-12-15 | 1973-12-13 | SINGLE COMPONENT ADHESIVE CONSTITUTED BY AN AQUEOUS DISPOSAL OF POLYVINYL ESTER |
JP48138220A JPS6012379B2 (en) | 1972-12-15 | 1973-12-13 | Component adhesive based on polyvinyl ester |
SE7316881A SE406330B (en) | 1972-12-15 | 1973-12-13 | STORAGE STABLE POLYVINYLESTER-BASED ONE-COMPONENT ADHESIVE CONTAINING POLYVINYL ALCOHOL AS A PROTECTIVE COLOID AND AN URBAN FORMALDEHYDE ADDUCT AND AN ACID METAL SALT |
AT1043973A AT332956B (en) | 1972-12-15 | 1973-12-13 | STORAGE-STABLE SINGLE-COMPONENT ADHESIVE |
CA188,216A CA1031887A (en) | 1972-12-15 | 1973-12-14 | Polyvinyl ester adhesive |
BR9809/73A BR7309809D0 (en) | 1972-12-15 | 1973-12-14 | ADHESIVE COMPOSITION |
FR7344751A FR2210651B1 (en) | 1972-12-15 | 1973-12-14 | |
BE138954A BE808732A (en) | 1972-12-15 | 1973-12-17 | POLYVINYL ESTER BASED ADHESIVES |
KE2782A KE2782A (en) | 1972-12-15 | 1977-10-18 | Polyvinyl ester adhesive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722261402 DE2261402C3 (en) | 1972-12-15 | Adhesive based on a dispersion of homo- or copolymers of vinyl stern |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2261402A1 DE2261402A1 (en) | 1974-07-04 |
DE2261402B2 DE2261402B2 (en) | 1976-01-15 |
DE2261402C3 true DE2261402C3 (en) | 1976-08-19 |
Family
ID=
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