CS237964B1 - Method of adhesive production on base of urea-formaldehyde resins - Google Patents

Method of adhesive production on base of urea-formaldehyde resins Download PDF

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Publication number
CS237964B1
CS237964B1 CS815971A CS597181A CS237964B1 CS 237964 B1 CS237964 B1 CS 237964B1 CS 815971 A CS815971 A CS 815971A CS 597181 A CS597181 A CS 597181A CS 237964 B1 CS237964 B1 CS 237964B1
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CS
Czechoslovakia
Prior art keywords
urea
formaldehyde
molar ratio
resin based
intermediate product
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CS815971A
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English (en)
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CS597181A1 (en
Inventor
Joachim Barse
Henry Drechsel
Gerhard Esser
Gerhard Findeisen
Lothar Hammer
Gerhard Kunath
Lisa Mittagova
Heinz Mueller
Reiner Neumann
Kurt Oehler
Konrad Peinze
Annelies Petzova
Gudrun Raueova
Ulrich Steinke
Katerina Ulrichova
Harald Winter
Original Assignee
Joachim Barse
Henry Drechsel
Gerhard Esser
Gerhard Findeisen
Lothar Hammer
Gerhard Kunath
Lisa Mittagova
Heinz Mueller
Reiner Neumann
Kurt Oehler
Konrad Peinze
Annelies Petzova
Gudrun Raueova
Ulrich Steinke
Katerina Ulrichova
Harald Winter
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Application filed by Joachim Barse, Henry Drechsel, Gerhard Esser, Gerhard Findeisen, Lothar Hammer, Gerhard Kunath, Lisa Mittagova, Heinz Mueller, Reiner Neumann, Kurt Oehler, Konrad Peinze, Annelies Petzova, Gudrun Raueova, Ulrich Steinke, Katerina Ulrichova, Harald Winter filed Critical Joachim Barse
Publication of CS597181A1 publication Critical patent/CS597181A1/cs
Publication of CS237964B1 publication Critical patent/CS237964B1/cs

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C09J161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C09J161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Description

1
Ha3BaHne íísodpeTeHHH METQH IIOJEFJEHKH KJffiH ΜΟΗΕΒΜΗΟ^ΟΡΑ'ΜΕίΕΓΚΛΗΟβ CIVIOJIHI . OÓJiaCTB ΠρΗΜθΗβΗΗΗ M3odpeTeHHe KacaeTca MeTOfla nojiyaemiH mien μοηθβκηο-φορΜθΛΒ,ΐξθΓΗΛΗΟΗ cmojih, > πρζϊΓΟΛΗΟΗ β jiepeBonepepatíaTHBa-Binefi. npOMHIUJieHHOCTH H OCOdeHHO JULH nOJiyyeHHH CTpyaeHHUXroiHT,
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Eima nocTaBxěHa 3an,ana pa3paóoTXH MeTOsa no3BOJimomero nonyne-HE6 ΚΛΘΗ ΜΟΗθΒΗΗΟ-φορΜΘΛΒΖζβΓΗΛΗΟϋ CMOJIH C ΟΗΘΗΒ HE3XHM CO-KepjxaHHeM ^opKanBserasa.
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Ilpmep, ocymecTBJíeHHH ιί300ρθτθηιιη
ΙΊρκΜθρ I B peaKUHOHHHíí cocys HMeroigHS peryjiupoBKy ypoBHfi e npncnocodJie-ffiie Tyin nepeMeniiiBamiH so3npyeTcn co ckopoctbio 100 βθο. pojieíl/nao .ΜΟΗΘΒΙΊΗΟ-φΟρΜΘΛΗΗΟΒΗΗ paCTBOp, B KOTOpOM Ha 972 ΒΘΟ. flOJieíí/pacTBopa πρπχοίζκτοΗ 700 βθο. nojieii 37 % ηθητρ8λιι3οβηηηογοpopManííHa n 272 sec. aojih μοηθβι-ιηη.Οκηοβρθμθηηο b cocyn.CMeuie-hhh noflaeTca 0,5 Bec.nojin /nao ID % MypaBBHHofi khcjioth. BpeaKiíHOHHOM coeyne nonnepiKHBaeTCH Tei.mepaTypa 403 ·Κ , a ra30-odpa3Hoii XByoKECBK yrjiepopa ποοτοηηηοθ naBJíeHHe- 3· 10^ íla. B τθηθηιίθ oflHoro naca 100 sec. nojieíí τηκογο KOHjtéHcaTa, ημθιοβ;θγοnpn Taraax,ycjioBEHx coflepzíaHae μοοτηκοβογο MeTiuieHa 42,3 %,b pacnerejia b3hthh wopMajiBneran, oTdnpaioTCH bo βτοόοιϊ peaicmioH-hhm cocyn, b κοτορπίί flodasjíHiOT 29,2 .βθο. noJieg/nac 70 % βο^ηογο 237964 5 paoTBopa μοηθβηηη η 0,34 Bec. ^ojiefi/nac 10% Haiposoro mejioKa.Βο ΒτοροΜ cocy^e, HMerouinM mipKyjnmHOHHoe npacnocotíjieiffle, προ-bojbítch flajiBHeíiiiiaH KOHaeHcaima πριι TewnepaType 323-343 K hποηοθηηομ saBJíeHKH, a Taiace KOHueHTpamm TBepsófí cmojíh ,n,o-bojpítch flo 67%.HenpepnBH0 OTÓHpaeMHH MOHeBHHO-$opManBflerimHHfiKJiefi c BH3KOCTBK) 560 cnya3/293 K cTadaneH npn xpaHemm h npn-TOfleH OCOÓeHHO ftOH Ι13Γ0Τ0ΒΛθΗΗίΙ CTpyjKeHHHX IUIHT C ΟΗΘΗΒ HH3KHMBHflejieHneM $opMajn>;a;erH,na (fesyp 0,008) IIpuMep 2 B 400 Bec. flOJiax 37% HewTpajiH3OBaHHoro raopMajiHHa b peawioH-hom cocyfle ϊιμθιοπιημ oxjiastfleHHe h otíorpeB, ocHamenHoro nepeMe-uiHBaioímffii ycTpofiCTBOM, pacTBopaioT 151,8 Bec. flojieíi μοηθβηηη hflodaBJWioT 1,1 Bec. αολη 3% οοληηοιϊ κηολοτη.ΙΙοολθ saKpHTHHpeaKTBioHHoro cocysa c πομοαβιο ra3ooópa3Hofi flByoKiícn ymieBO-flopofla ycTanaBJíHBaeTCH flaBJíeime 2,5·Ι05 Ila n.3aTeM b xoflepeaiaíHH noňuepraBaeTCH ποοτοηηηοθ jtaBJíeHne 2,5Ί05 Ila. BTeneHHe οαηογο naca coflepacamíe peawioHHoro cocyna aoboaktchpo TeMnepaTypu 396 K κ KOHfleHCupyeTCH flo τβχ nop, noua neotípa3yeTCH 40,9% Β3Ητογο ňopMajiLflernfla b ňopwe mocthkoboboMeTHJieHa.IIocjie flodaBJíeHira 3,5 Bec. flojiefí 10% HaTpoBoro mejioxaoxJiasflaiOT po TeMnepaTypu 353 K h flodaBJínioT 94,9 Bec. flonefiμοπθβηηη h KOHfleHCHpyKT npn Taitofi TewnepaType b Teneroie 30MIÍHyT.IIoCJie yBejIEHeHHH KOHfleHCaiIHH ΜΟΗβΒΗΗΟ—φορΜΘΛΒ,ηθΓΚΑΗΗΐίKJiefi npn TewnepaType 323 K h 4-IO^IIa odnaflajoT bH3Koctbio620 cnya3/293 h coflep;itaHiieM TBepflofi cmojíh 67,5 %. IIpuMep 3 B peaKDjioHHHíi cocyfl EMeioiímfi peryjnipoBKy ypoBHH n npHcnocodjieHiiePflR nepeMeuiHBaHiiH HenpepiiBHo co ckopoctbio.IOO sec. flojiefi/nacS03npyeT0H pacTBop codepsáními Ha 1124 Bec. flojien 809 Bec..flOJienHefiTpa3E3OBaHHoro 37% yopMajniHa η 315 Bec. flojieii μοηθβκηη. 237964 6
OflHOBpeweHHo b cocy,n cyeiueHUH no^aeTCH 0,9 sec. íOJiefiAac10% MypaBLKHofi khcjioth.B peawíOHHóM cocyse nojwepsoíBaeTCHποοτοΗΗΗΟ TewnepaTypa 393 K, a ra3ootípa3řiofl AByoKHCBio yrjiepoaa.naaneHiie 2,5*iob Ila.B τθηθηηθ οληογο naca 100 βθο.^ολθηKOHfleHcaTa, HMeronjero πρκ Tara-ix ycnoBKHX coaepsaHtie μοοτηκοβογοMeTiwteHa 46,2%, BpacneTe Ha b3hthm $opMa3ií>í[erH^,oTÓHpaioTCHbo BTopofi peawioHHBffl cocys, b κοτοριώ soóaBJíHioT 37,4 Bec.B,OJiew/aac 75% βοαηογο pacTeopa μοηθβηηη h 0,56 Bec. floJieii/Hac10$ HaTpoBoro mejioKa.Bo BTopow pearauioHHOM cocyse, ΗΜθιοπξΗΜHHpKyjumnoHHoe npncnocoóJiemie, προΒοτξκτωι λθλβηθιϊιιιθη KOHfleHca-ipifl. npn TeMnepaType 323-343 K η ποηηκθηηομ ληβλθηηη, a KQHpeHTpaHKH TBepflOÍi CMOJIH flOBO^HTCH flO 67 %.HeiipeptIBHO OTdupaeMHH MO-HeBHHo-ftopManifleriwfflfi imeS c BH3KOCTBJO 470 cnya3/293 CTaóimeHπριι xpaHeHHH η npiiro,neH ocodeiiHo jyiH κ3γοτοβλθηιίη CTpyaeHHHXΠΛΗΤ C ΟΗΘΗΒ HH3KEM BtifleJieiffieM φορίϊΙ^ΠΒΑΘΓΗ^ (FESYP 0,005). ΠρπΜβρ 4 B cjiesyiomeií Taójnme οοποοτηβλθηκ jrai-iHHe οτβ0ιμβηοοτη xpaHeHHHK xápakTepiiCTEKH ΤΘΧΗΗΗΘΟΚΟΓΟ ΠρίίΜΘΗβΗΕΗ OÓHHHOBO ΚΗΘΗ C flaH-hhmh oeeB, noJiyHenHUX corJiacHo iisotípeTemiio. CBoíícTBa OÓHHHbie Κλθιι, noHyneumie corjiacno hso- iuien dpeTeiH-uo Πρ I Πρ 2 Hp3
Bpehw ηθλβτηηηβθιϊιιη 168 154 ~ 173 1,0 :2,I I : 2,2 I : 2,5 2 Mec. 2'Mec. 2 Mec. 0,008 ' 0,015 0,005 b cex. 170-180
EofíOCOBMeCTÍIMOCTB ·nox 293 K I : 2,3 CTaóHJiBHocTB xpaHe-HHH πρκ 293 K 2 Mec. ~ 4-)
BujiejiHBinHHCH WOpMaJIB- 'sen-ífl H3 CTpyEeHHOHiwkth· 0,025 jip (FESYP ) 0,020 237964 7 +) KojnraecTBO BH^ejniBiuerocH cJopMajiBflerHjia c noMoujLK) λο-óaBJíeHHÍÍ British Standard i8'i1 : Part 2 : 1969 onyúJiKKOBaHHHX 31. 10. 1973 rosy. íaHHue EHflejiiíBiuerocíi ĚiopidaziB^eriífla ns CTpyKeHnux imhtjícho jieMOHCTpupyiOT npeiíMymecTBa weTojia nojiyneinifi oeaCOIViaGHO Η3Ο0ρΘΤΘΗΗΙ0. 237964 8
IlpejweT H3odpeTeiMH I.) Μβτο,ζ.nojQmeHHH κλθθβ ΜΟΗΘΒΗΗο-φορΜδΛΒΛθΓΐίΛΗοβ ομολη Κ3Γ0Τ0ΒΛβΗΙ£Η ΛρβΒβΟΗΗΧ ΜΗΤβρΗ&amp;ΛΟΒ C ΟΗβΗΒ HII3KHM ΒΗββΛβ-ηηθμ ĎopMairLflerafla nyiew KOH^eHcamm μοηθβηηη-η Φορμθλβ- ..serii;a;á'B μολβηομ cooTHouieHHH Γ 1,8 λο I : 2,1 ηρκ τθμπθ-paTypax 373-414 Κ η npeBpameHHH sthx κοηλθηοβτοβ ηθβθοτηημotípa3óM β .CMOJiBHBe'ιυΐθκ xapaKTepK3yeTca τθμ, ητο-μοηθβΙ'ΠηιΗ φορΜΘΛΒβθΓΗΒ Β BOflHOM paCTBOpe Β npilCyTCTBHH 0,05-0,5%opraHMHecKoň η ηθοργθηηηθθκοη κκολοτη, β pacneT© Ha βθητοθΚΟΛΗΗβΟΤΒΟ ΜΟΗΘΒΙ'ΙΗΗ, ΠρΗ nOSflepJXaHHH flaSJíeiBIH SByOKHCHyrjiepojja Ι-4Ί05 íla KOHfleHCHpyeTCH po τθχ nop, noxa He dy-Λθτ socTi-irHyTO He wenee 40% β3Ητ.ογο roopMajiBBenwa b ňopweMOGTIIKOBOrO ΜΘΤΗΛΘΗΗ Η 3T0T npOpyKT pa3mOSeHKH ΚΟΗ^ΘΗΟΕ-pyeTCH flajiee β ηθητρηλβηοη ra cjiadomejioHHoií odjiacTii npnflOdaBJíeHHH ΜΟΗΘΒΗΗΗ-βΟ ΜΟΛΒΗΟΓΟ COOTHOlUeHHH ΜΟΉβΒΙΙΗΗ KcpopMajiBseriijjy I : 0,9 - I : 1,3 η πρκ. HeodxojijEiocTHoflHOBpeMeimoM yBejiHHeHKK κοηηθητρηηιιη. 2.) LieTOfl.coBJíacHo nyHKTy I, xapKTepH3yeTCH τθμ, hto κλθη μοηθβηηο ňopMa.nBjí.erwiOM ci,ΙΟΛΗ πμθθτ BH3KOCTB 400-1000 cnyas/293. 237964 9 OóodmeHHe H3oópeTeHHe -KacáeTOH MÓTOíta nojiyqeHHH KiieeB Μο,πβΒΗΗο-φορΜΗώΕ.-..flernflHoii cmojiHj irpu riepepaóÓTKe κοτοροϋ no cpfiBHeHHio c otíHHHH-*,mu. juiéflMH BH^ejiHeTCH 3HaoTejii)Ho MeHLinee KojumécTBO $opMajiBfle-rrasa, ' ' ·. 3asana:pa3patíoTKH .MéTosa nosBOJÍmomero nojiynerae κλθθβ MOHeBHHQ-$opMaflbfleniflHHx cmoji c οηθηβ μθΛημγ cosepatamieto $opMajn»s§rimapemaeTCH TeM, hto MoneBHHa h'dbopMasBserijs KoHseHcupyioTCH bboshom pacTBope b πρπογτοΦΒΗΗ 0,05-0,5$ opramraeoKoS.h· .Héopra-HmecKoň khcjioth, b pacneTe Ha ncnoJiB3yeMoe KOjnraecTBO Mone-bhhh, npn nojwepscaHHH saBJíeHHH flByÓKHCH yrjiepĎfla 1-4·lO^IIaΛο Tex nop, nona ne.dyseT socrarHyTo ne MeHee 40$ β3ητογο^OpMajIBflerHSa ,CBH3aHHOrO Ě φορΜθ ΜΟΟΤΗΚΟΒΟΓΟ Me.THJieHa Η 3TOT 'npoflyKT. pa3Jio>seHHH KOHseHCHpyeTCH sanee ,nocjie' sodaBJíeHHH μο·=· -ΗΘΒΗΗΗ £0 MOJIHpiIOra CQOTHOUIOHHH „MOH6BHHH K fiopMaJIBfleraSy I I 0^9flo I : 1,3 η npn HeoóxoíjíMocTH oshobpsmqhhom yBeJiHnemoi κοηηθητρΗΗΗ, ' ' . 'ΜοΗβΒΗΗό-φορΜάπΒΛθϊΉ,ίξΗΗθ ομολη HcnojiB3yBTCfl β flepeBonepepaóaTHBa, roi^efl npÓMHoeHHocTii ocoděHHO ripá η3γοτοβλ0ηηη CTpysenHHX ιυώτ. : 237964

Claims (2)

  1. 237964 10 PŘEDMĚT VYNÁLEZU
    1. Způsob výroby lepidel na bázi močovinofonaaldehydových pryskyřic, pro výrobu mate-riálů ze dřeva s velmi nízkým uvolňováním formaldehydu, kondenzací močoviny a formaldehyduv molárním poměru 1:1,8 až 1:2,1 při teplotách 373 až 414 K a přeměně těchto kondenzátů známým způsobem v pryskyřičná lepidla, vyznačující se tím, že se močovina a formaldehyd kon-denzují ve vodném roztoku ze přítomnosti 0,05 až 0,5 % organické a anorganické Icyseliny,vztaženo ne výchozí množství močoviny při tlaku kysličníku uhličitého 1 až 4 z 10^ Pa takdlouho, až se dosáhne více než 40 % kondenzace formaldehydu ve formě metylenových můstků a tento produkt se dále kondenzuje v neutrální nebo slabě alkalické oblasti za přídavkumočoviny do molárního poměru močoviny k formaldehydu 1:0,9 až 1:1,3 a v případě potřebyza současného zvýšení koncentrace.
  2. 2. Způsob podle bodu i, vyznačující Se tím, že lepidlo na bázi močovinoformaldehydovépryskyřice má viskositu 400 až 1 000 cP/293 K. Uznáno vynálezem na základě výsledků expertizy, provedené Úřadem pro vynálezectví apatentnictví, Berlín, DD.
CS815971A 1980-10-01 1981-08-07 Method of adhesive production on base of urea-formaldehyde resins CS237964B1 (en)

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EP0103131A3 (en) * 1982-09-10 1985-11-06 Borden, Inc. Amino-formaldehyde resins and use thereof in lignocellulosic composites
DD283732A7 (de) * 1988-10-21 1990-10-24 ������@�����`������@ ���@������� k�� Verfahren zur herstellung eines reaktiven harnstoff-formaldehyd-harz-leimes
EP0743331A4 (de) * 1994-02-08 1997-01-07 N T Predpr Ligand Verfahren zum herstellen von einem carbamid-formaldehyd-harz und ein kondensat zu seiner herstellung

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DE906016C (de) * 1950-06-04 1954-03-08 Basf Ag Verfahren zur Herstellung von haertbaren, stabilen Kondensationsprodukten
CH375337A (de) * 1958-10-20 1964-02-29 Geistlich Soehne Ag Verfahren zur Herstellung von wasserlöslichen Harnstoff-Formaldehyd-Kondensationsprodukten
FR2199543A1 (en) * 1972-09-21 1974-04-12 Nobel Hoechst Chimie U-F resin prodn using two-stage process, - esp for wood chip boards mfr
DE2334380B1 (de) * 1973-07-06 1974-09-05 Basf Ag Verfahren zur Herstellung eines Holzleims
GB1480787A (en) * 1975-09-11 1977-07-27 Ciba Geigy Ag Ureaformaldehyde resins
DD139946A3 (de) * 1975-12-22 1980-01-30 Henry Drechsel Verfahren zur herstellung von harnstoff-formaldehyd-harzleimen mit verbesserter kaltklebekraft fuer die spanplattenherstellung
NL7812336A (nl) * 1978-12-20 1980-06-24 Methanol Chemie Nederland Bereiding van spaanplaat.

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DE3167723D1 (en) 1985-01-24
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