WO1994009046A1 - Polyurethane sealant compositions - Google Patents

Polyurethane sealant compositions Download PDF

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Publication number
WO1994009046A1
WO1994009046A1 PCT/US1993/008485 US9308485W WO9409046A1 WO 1994009046 A1 WO1994009046 A1 WO 1994009046A1 US 9308485 W US9308485 W US 9308485W WO 9409046 A1 WO9409046 A1 WO 9409046A1
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WO
WIPO (PCT)
Prior art keywords
percent
isocyanate
sealant
prepolymer
silane
Prior art date
Application number
PCT/US1993/008485
Other languages
English (en)
French (fr)
Inventor
Wen Bin Chiao
Original Assignee
Essex Specialty Products, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Essex Specialty Products, Inc. filed Critical Essex Specialty Products, Inc.
Priority to KR1019950701401A priority Critical patent/KR100285097B1/ko
Priority to CA002144530A priority patent/CA2144530C/en
Priority to AU51031/93A priority patent/AU675083B2/en
Priority to JP50849794A priority patent/JP3466610B2/ja
Priority to BR9307293A priority patent/BR9307293A/pt
Publication of WO1994009046A1 publication Critical patent/WO1994009046A1/en

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Classifications

    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/61—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • 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
    • C08G2190/00—Compositions for sealing or packing joints

Definitions

  • This invention relates to oolyurethane sealant compositions and, more specifically, to polyurethane sealant compositions whicn contain silane groups
  • Polyurethane sealant compositions typically comprise at least one urethane prepolymer Sealants useful for bonding to non-porous substrates, such as glass are described, for example, in U S Patent 4,374,237 and U S Patent 4,687,533
  • U S Patent 4,374,237 descnbes a polyurethane sealant containing urethane prepolymers wnicn have been further reacted with secondary amine compounds containing two silane groups
  • U S Patent 4,687,533 describes a polyurethane sealant containing urethane prepolymers wnich contain silane groups which have been prepared by reacting a polyisocyanate having at least three isocyanate groups with less than an equivalent amount of an alkoxysilane having a terminal group containing active hydrogen atoms reactive with isocyanate groups to form an
  • this invention is a polyurethane sealant composition
  • a polyurethane sealant composition comprising (1) a urethane prepolymer having an isocyanate functionality of at least about 2 0 and a molecular weight of at least about 2,000; and (2) a reaction product of a polyisocyanate and a compound of the following formula.
  • reaction product has an average of at least one suane group and at least one isocyanate group per molecule and a molecular weignt of less than about 2,000
  • the sealant composition of the invention is useful in oondi ng glass substrates to metal substrates, and has oeen discovered to give unexpectedly high lap shear strength wnen no orimer compositions have previously been applied to the glass substrate
  • Suitable urethane prepolymers for use in Drepa ⁇ ng the composition of the invention include any compound havi ng an average isocva ⁇ ate functionality of at least about 2 0 and a molecular weight of at least about 2,000
  • the average isocyanate functionality of the prepolymer is at least about 2 2, and is more oreferably at least aoout 2 4 o
  • the molecular weight of the Drepolymer is at least about 2,500, and is more preferably at least about 3 000, and is Dreferabl v no greater than about 20,000, more preferably no greater than about 15,000, and is most oreferably no greater than aoout 10,000
  • the prepolymer may be prepared by any suitable method, such as by reacting an isocyanate- reactive compound containing at least two isocyanate-reactive groups with an excess over 5 stoichiometry of a polyisocyanate under reaction conditions sufficient to form the corresponding prepolymer
  • Suitable polyisocyanates for use in preparing the prepolymer include any aliphatic, cycloaliphatic, arahphatic, heterocyclic or aromatic polyisocyanate, or mixture thereof, with an average isocyanate functionality of at least about 2 0 and an equivalent 0 weight of at least about 80
  • the isocyanate functionality of the polyisocyanate is at least about 2 0, more preferably at least about 2 2, and is most preferably at least about 2 3; and is preferably no greater than about 4 0, more preferably no greater than about 3 5, and is most preferably no greater than about 3 0
  • Higher functionalities may also be used, but may cause excessive cross nking, and result in an adhesive which is too viscous to handle and apply 5 easily, and can cause the cured adhesive to be too brittle
  • the equivalent weight of the polyisocyanate is at least about 100, more preferably at least about 1 10, and is more preferably at least about 120; and is preferably no greater than about 300, more preferably no greater than about 250
  • polyisocyanates examples include ethylene diisocyanate, 0 1 ,4-tetr amethylene diisocyanate, 1 ,6-hexamethylene diisocyanate, 1 , 12-dodecane diisocyanate, cyclobutane-1 ,3-d ⁇ socyanate, cyclohexane-1 ,3- and 1 ,4-d ⁇ socyanate and mixtures of these isomers; 1 - ⁇ socyanato-3,3,5-tr ⁇ methyl-5- ⁇ socyanato methyl cyclohexane (see, for example, German Auslegesch ⁇ ft 1 ,202,785), 2,4- and 2,6-hexahydrotolylene diisocyanate and mixtures of these isomers, hexahydro-1 ,3- and/or 1 ,4-phenylene diisocyanate, perhydro- 5 -2,5'- and/or 4,4'-d ⁇ phenyl methan
  • isocyanate-reactive compound includes any organic compound having at least two isocyanate-reactive moieties, such as a compound containing an active hydrogen moiety, or an imino-f unctional compound
  • an active hydrogen moiety refers to a moiety containing a hydrogen atom which, because of its position in the molecule, displays significant activity according to the Zerewitnoff test described by Wohler in the Journal of the American Chemical Society, Vol 49, p 3181 (1927)
  • Illustrative of such active hydrogen moieties are -COOH, -OH, -NH,, -NH-, -CONH-, -SH, and -CONH-
  • Typical active hydrogen-containing compounds include polyols, polyamines, polymercaptans and polyacids
  • Suitable imino-functional compounds are those which have at least one terminal imino group per molecule, such as are described, for example, in U S Patent 4,910,279
  • the isocyanate-reactive compound isocyan
  • Suitable polyols useful in the preparation of the prepolymers include, for example, polyether polyols, polyester polyols, poly(alkylene carbonate)polyols, hydroxvl- -containing polythioethers, polymer polyols, and mixtures thereof
  • Polyether polyols are wel l- -known in the art and include, for example, polyoxyethylene, polyoxypropylene, poiyoxybutylene, and polytetramethylene ether diols and t ⁇ ois which are prepared by reacting an unsubstituted or halogen- or aromatic-substituted ethylene oxide or propyiene oxide with an initiator compound containing two or more active nydrogen groups such as water, ammonia, a polyalcohol , or an amine.
  • polyether polyols may be prepared by polymerizing alkylene oxides in the presence of an active hydrogen-containing initiator compound
  • ethylene oxide-capped polyols prepared by reacting glycerine with propylene oxide, followed by reacting with ethylene oxide.
  • Suitable al kylene oxides include ethylene oxide, propylene oxide, butylene oxides, styrene oxide, epichlorohyd ⁇ n, epibromohyd ⁇ n, and mixtures thereof
  • Suitable initiator compounds incl ude water ethylene glycol, propylene glycol, butanediol, hexanediol, o glycerin, tnmethylol propane, pentaerythntol, hexanetriol, sorbitol, sucrose, hy ⁇ roquinone, resorcmol, catechol, bisohenols, novolac resins, phosphoric acid, amines, and mixtures thereof Polyester polyols are also well-known in the art and may be prepared by reacting a polycarboxylic acid or anhydride thereof with a polyhyd ⁇ c alcohol.
  • polycarboxylic acids incl ude succinic acid, adipic acid, suberic acid, azelaic acid, sebacic acid, 5 phthalic acid, isophthalic acid, maleic acid, t ⁇ mellitic acid, phthal ic acid anhydride, tetrahydrophthalic acid anhydride, hexahydrophthalic acid anhydride, tetrachlorophtha c acid anhydride, endomethylene tetrahydrophthalic acid anhydride, maleic acid anhydride, gluta ⁇ c acid anhydride, fuma ⁇ c acid, and mixtures thereof.
  • suitable polyhyd ⁇ c alcohols include ethylene glycols, propane diols, butane diols, 1 ,6-hexaned ⁇ ol, 1 ,8-octaned ⁇ ol, 0 neopentylglycol, glycerol, tnmethylol propane, pentaerythntol, quinitol, mannitol, sorbitol, methyl glycoside, diethylene glycol, t ⁇ ethylene glycol, tetraethylene glycol, polyethylene glycols, polypropylene glycols, and mixtures thereof.
  • Suitable polymer polyols include dispersions of polymers of vinyl monomers in a continuous polyol phase, particularly dispersions of styrene/ acrylonit ⁇ le copolymers Also 5 useful are the so-called polyisocyanate polyaddition (PIPA) polyols (dispersions of polyurea- polyurethane particles in a polyol) and the polyurea dispersions in polyols (PHD polyols) Copolymer polyols of the vinyl type are described, for example, in U.S. Patents 4,390,645, 4,463,107, 4,148,840 and 4,574,137.
  • PIPA polyisocyanate polyaddition
  • the isocyanate-reactive compound has a functionality of at least about 0 1 5, more preferably at least about 1 8, and is most preferably at least aoout 2.0; and is preferably no greater than about 3.0, more preferably no greater than about 3 5, and is most oreferably no greater than about 4 0
  • the equivalent weight of the isocyanate- reactive compound is at least about 200, more preferably at least about 500, and is more preferably at least about 1 ,000; and is preferably no greater than about 3,500, more preferably 5 no greater than about 3,000, and is most oreferably no greater than about 2,500
  • the prepolymer may be prepared by any suitable method, such as bulk polymerization and solution polymerization
  • the reaction to prepare the prepoiymer is carried out under annydrous conditions, preferably under an inert atmosphere such as a nitrogen blanket, to prevent cross! nkmg of the isocyanate groups by atmospheric moisture
  • the reaction is oreferably carried out at a temperature between 0°C and 1 50°C, preferably between 25'C and 80 C C, until the residual isocyanate content determi ne ⁇ by titration of a sample is very close to the desired theoretical value
  • the isocyanate content in the prepolymers is preferably in the range of 1 0 percent to 10 percent, more preferably in the range of 1 5 Dercent to 5 0 percent and most preferably i n the range of 1 8 percent to 3 0 percent
  • the prepolymer may be employed in the composition in any suitable amount, but is preferably used in an amount of rom 40 percent to 80 percent, based on the weight of the
  • Component (2) of the sealant composition of the invention is a reaction product of a secondary amino-alkoxy silane and a polyisocyanate, having an average of at least one silane group and at least one isocyanate group per molecule (hereinafter "adduct")
  • the adduct has at least 1 5 isocyanate groups and at least 1 silane group per molecule, and most preferably has at least 2 isocyanate groups and at least 1 silane group per molecule
  • the adduct level in the sealant compositions is preferably in the range of 0 5 percent to 20 percent, more preferably in the range of 1 0 percent to 10 percent and most preferably in the range of 2.0 percent to 7 percent
  • the adduct may be prepared by any suitable method, such as, for example, by reacting a secondary amino-alkoxy silane with a polyisocyanate compound Suitable polyisocyanates for use in preparing the adduct include those described above as suitable for use in preparing the prepolymer, particularly including is
  • R is a divalent organic group, preferably C, . alkylene, R', R", R and Ra are hydrogen or al kyl, preferaoly C 1 .4 alkyl, m is an integer from 0 to 2
  • compoun ⁇ s include N,N-Dis[(3-tr ⁇ ethoxys ⁇ lyl)prooyl]am ⁇ ne; N.N-b ⁇ s[(3-t ⁇ oropoxys ⁇ yl)propyl]am ⁇ ne; N-(3- -t ⁇ methoxys ⁇ lyl)propyl-3-[N-(3-t ⁇ methoxys ⁇ lyl)-propylam ⁇ nojprop ⁇ onam ⁇ de; N-(3- -tr ⁇ ethoxys ⁇ iyl)propyl-3-[N-3-tr ⁇ ethoxys ⁇ yl)-prooylam ⁇ no]proo ⁇ onam ⁇ e; N-(3- -ttr ⁇ e
  • the silane and the polyisocyanate reactants are oreferably combined so that the ratio of isocyanate groups to secondary amine groups in the reaction mixture to prepare component (2) is at least about 1 5, more preferably at least about 2 0, and most preferably at least about 2.5; and is preferably no greater than about 6.0, more preferably no greater than about 5.5, and most preferably no greater than about 5.0.
  • the component (2) may be prepared by any suitable method, such as bulk or solution polymerization
  • the reaction between the polyisocyanate and the organofunctional silane is preferably carried out under anhydrous conditions, preferably under an inert atmosphere such as a nitrogen blanket, to prevent premature hydrolysis of the alkoxysilane groups and/or crosslinking of the isocyanate groups by atmospheric moisture
  • the poly ⁇ isocyanate and alkoxysilane are preferably reacted under anhydrous conditions at a temperature between room temperature (about 20°C) and about 80°C.
  • an exotherm may develop so that no external heating is required. Indeed, cooling may be necessary.
  • the reaction is generally complete within two hours and may be catalyzed with a tin catalyst, suitably a ti n salt such as a tin carboxylate, if desired
  • the reaction is suitably carried out in heat or in an inert liquid diluent or carrier While any of the conventional inert organic solvents such as the benzene, toluene, xylene and other hydrocarbons or halohydrocarbons can be employed, it is preferable to use a compound having plasticizing properties, since the use of a plasticizer avoids the need for isolating the active reaction products from the reaction mixtures.
  • the reactions to prepare the prepolymer and the adduct may be carried out in the presence of urethane catalysts.
  • urethane catalysts include the stannous salts of carboxyl ic acids, such as stannous octoate, stannous oleate, stannous acetate, and stannous laurate.
  • dialkyltm dicarboxylates such as dibutyltin dilaurate and dibutyltin diacetate are known in the art as urethane catalysts, as are tertiary amines and tin mercapti. es.
  • the reaction to prepare the orepolymer is catalyzed by stannous octoate.
  • the amount of catalyst employed is generally between 0.005 and 5 percent by weight of the mixture catalyzed, depending on the nature of the isocyanate
  • the sealant composition of the invention also preferably contains a catalyst which has good stability in the absence of atmospheric moisture, but which has a rapid cure rate in the presence of atmospheric moisture, such as dimorpholinodiethyl ether or (d ⁇ -(2-(3,5- -d ⁇ methylmorphol ⁇ no)ethyl)ether)
  • a catalyst which has good stability in the absence of atmospheric moisture, but which has a rapid cure rate in the presence of atmospheric moisture, such as dimorpholinodiethyl ether or (d ⁇ -(2-(3,5- -d ⁇ methylmorphol ⁇ no)ethyl)ether)
  • Such catalyst when employed, is preferably employed in an amount, based on the weight o ⁇ the sealant, of from 0 2 to 1 75 percent
  • the prepolymer and the adduct are combined, preferably with fillers and additives known in the prior art for use in elastome ⁇ c compositions
  • fillers and additives known in the prior art for use in elastome ⁇ c compositions
  • physical properties such as viscosity, flow rate and sag can be modified
  • the filler should be thoroughly dried before admixture therew th
  • Exemplary filler materials and additives include materials such as carbon black, titanium
  • the sealant composition also preferably contains one or more plasticizers or solvents to modified rheological properties to a desired consistency
  • plasticizers or solvents to modified rheological properties to a desired consistency
  • Such materials should be free of water, inert to isocyanate groups, and compatible with the polymer
  • Such material may
  • Suitable plasticizers and solvents are well-known in the art and include dioctyl phthalate, dibutyl phthalate, a partially hydrogenated terpene commercially
  • HB-40 tr ⁇ octyl phosphate
  • epoxy plasticizers toluene-sulfamide, chloroparaffins, adipic acid esters, castor oil, and toluene
  • a urethane prepolymer was prepared by adding 681 g of polyoxypropylene diol having an average molecular weight of about 2,000, and 990 g of polyoxypropylenet ⁇ ol having an average molecular weight of about 4,500, and 300 g of diphenyl methane 4,4'-d ⁇ socyanate
  • a sealant was prepared from a prepolymer (66 parts), an isocyanato-silane adduct prepared from a si lane and N- 100 (NCO' N H
  • Example 5 5 Using the same procedure as in Example 1 , a sealant was prepared from a prepolymer which was the reaction product of the prepolymer of Example 1 and the silane of Example 1 in a 99: 1 weight ratio (57.8 parts), an isocyanato silane adduct prepared from a silane and N-100 (NCO: NH - 3: 1 ) (4.0 parts), carbon black (available as Elftex 8 from Cabot Corporation) (20 9 parts), DMDEE (0.4 parts), toluene (4.5 parts), and clay (4.5 parts)
  • NCO NH - 3: 1
  • carbon black available as Elftex 8 from Cabot Corporation
  • DMDEE 0.4 parts
  • toluene 4.5 parts
  • clay 4.5 parts
  • sealants containing an adduct prepared from a secondary ammo silane and a polyisocyanate provide a sealant with excellent adhesive properties when used to bond glass to metal, even when a glass primer is not applied separately to the glass prior to bonding.
  • sealants prepared using isocyanato-silane adducts prepared from aliphatic polyisocyanate resins prepared from 0 hexamethylene diisocyanate (N-100 and N-3300) provide higher lap shear strengths. Cohesive failure is the preferred mode of failure since the bond line fails in a consistent and predictable manner, providing relatively consistent lap shear values from sample to sample Also, higher lap shear strength values are generally preferred, so long as cohesive failure is maintained.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Sealing Material Composition (AREA)
PCT/US1993/008485 1992-10-13 1993-09-09 Polyurethane sealant compositions WO1994009046A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019950701401A KR100285097B1 (ko) 1992-10-13 1993-09-09 폴리우레탄 밀봉 조성물
CA002144530A CA2144530C (en) 1992-10-13 1993-09-09 Polyurethane sealant compositions
AU51031/93A AU675083B2 (en) 1992-10-13 1993-09-09 Polyurethane sealant compositions
JP50849794A JP3466610B2 (ja) 1992-10-13 1993-09-09 ポリウレタンシーラント組成物
BR9307293A BR9307293A (pt) 1992-10-13 1993-09-09 Composição selante e processo para ligar um substrato de vidro a um substrato metálico

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96009892A 1992-10-13 1992-10-13
US07/960,098 1992-10-13

Publications (1)

Publication Number Publication Date
WO1994009046A1 true WO1994009046A1 (en) 1994-04-28

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Application Number Title Priority Date Filing Date
PCT/US1993/008485 WO1994009046A1 (en) 1992-10-13 1993-09-09 Polyurethane sealant compositions

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US (1) US5623044A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3466610B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100285097B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1054148C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU675083B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR9307293A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2144530C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW268045B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1994009046A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA937549B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
WO1997025360A1 (en) * 1996-01-11 1997-07-17 Essex Specialty Products, Inc. One-part curable polyurethane adhesive
WO1998036007A1 (en) * 1997-01-29 1998-08-20 Essex Specialty Products, Inc. Polyurethane sealant compositions
WO2003054049A1 (de) * 2001-12-20 2003-07-03 Henkel Kommanditgesellschaft Auf Aktien Haftvermittler für reaktive polyurethane
EP1273640A3 (de) * 2001-07-06 2004-01-02 Degussa AG Nichtwässriges, wärmehärtendes Zweikomponenten-Beschichtungsmittel
EP2011809A1 (de) * 2007-07-03 2009-01-07 Sika Technology AG Polyurethanzusammensetzung enthaltend tertiäre Amine und Anhydridosilane
US12234386B2 (en) 2018-12-05 2025-02-25 Sunstar Engineering Inc. Urethane-based adhesive for automobile

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AR005429A1 (es) * 1996-01-11 1999-06-23 Essex Specialty Prod Prepolimeros de poliuretano, composiciones adhesivas en un solo envase que incluyen dichos prepolimeros y procedimiento para adherir substratos con dichascomposiciones
US5922809A (en) * 1996-01-11 1999-07-13 The Dow Chemical Company One-part moisture curable polyurethane adhesive
CA2214311A1 (en) * 1996-09-06 1998-03-06 Air Products And Chemicals, Inc. Hot melt adhesives comprising low free monomer, low oligomer isocyanate prepolymers
JP3263034B2 (ja) * 1997-11-12 2002-03-04 横浜ゴム株式会社 ポリウレタン組成物
DE69825627T3 (de) * 1997-12-18 2008-05-21 Essex Specialty Products, Inc., Auburn Hills Verfahren zum ankleben eines urethanklebstoffs auf lackierte oberflächen mit einer vorstrich-zusammensetzung
US5990257A (en) * 1998-01-22 1999-11-23 Witco Corporation Process for producing prepolymers which cure to improved sealants, and products formed thereby
US6008305A (en) * 1998-06-30 1999-12-28 Adco Products, Inc. Primer for improving the bonding of adhesives to nonporous substrates
US6096823A (en) * 1998-10-14 2000-08-01 Bayer Corporation Moisture-curable compounds containing isocyanate and alkoxysilane groups
ATE264898T1 (de) 1999-02-05 2004-05-15 Essex Specialty Prod Polyurethandichtungszusammensetzung
US7022206B2 (en) * 2000-05-23 2006-04-04 Lord Corporation Coolant resistant and thermally stable primer composition
US6350799B1 (en) * 2000-05-23 2002-02-26 Lord Corporation Coolant resistant and thermally stable primer composition
US6362300B1 (en) 2000-07-06 2002-03-26 The Yokohama Rubber Co., Ltd. Moisture-curable polyurethane compositions
BR0113451A (pt) 2000-08-07 2003-10-14 Dow Global Technologies Inc Adesivo de poliuretano monocomponente curável em umidade método para ligar dois substratos usando tal adesivo
JP4617547B2 (ja) * 2000-08-08 2011-01-26 横浜ゴム株式会社 プライマー組成物
CN100344566C (zh) * 2001-11-29 2007-10-24 陶氏环球技术公司 粘合窗玻璃与基材而无需底漆处理的方法
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CN1054148C (zh) 2000-07-05
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CA2144530A1 (en) 1994-04-28
CN1086242A (zh) 1994-05-04
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AU675083B2 (en) 1997-01-23
CA2144530C (en) 2005-07-26

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