[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

GB2228943A - Cyanoacrylate compositions for bonding porous or non-active substrates - Google Patents

Cyanoacrylate compositions for bonding porous or non-active substrates Download PDF

Info

Publication number
GB2228943A
GB2228943A GB9003718A GB9003718A GB2228943A GB 2228943 A GB2228943 A GB 2228943A GB 9003718 A GB9003718 A GB 9003718A GB 9003718 A GB9003718 A GB 9003718A GB 2228943 A GB2228943 A GB 2228943A
Authority
GB
United Kingdom
Prior art keywords
anion
composition according
cyanoacrylate
cation
monomer
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.)
Withdrawn
Application number
GB9003718A
Other versions
GB9003718D0 (en
Inventor
Stephen J Harris
John Guthrie
Maureen G Macmanus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel Loctite Corp
Original Assignee
Henkel Loctite Corp
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 Henkel Loctite Corp filed Critical Henkel Loctite Corp
Publication of GB9003718D0 publication Critical patent/GB9003718D0/en
Publication of GB2228943A publication Critical patent/GB2228943A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J4/00Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

One-part cyanoacrylate adhesive compositions suitable for bonding porous or non-active surfaces containing a phase transfer catalyst of the formula C<+> A<-> wherein C<+> is a cation other than sulfonium, e.g. ammonium, a quaternary chlorometallate, pyryllium, thiopyryllium, iodonium, phosphonium, metallocenium, or diazonium; and A<-> is an anion of relatively low nucleophilicity which does not initiate polymerisation of the cyanoacrylate monomer, e.g. BF<->4, PF<->6, SbF<->6, SbCl<->4, AsF<->6, SbCl<->6, SnCl<->6, FeCl<->4; or CF<->3SO3. It is believed that upon contact with a surface such as paper or wood the anion A<-> is exchanged for a more nucleophilic anion present on the surface to be bonded. As this other anion is transferred into the composition it initiates anionic polymerisation of the monomer which leads to bonding.

Description

"CYANOACRYLATE COMPOSITIONS FOR BONDING POROUS OR NON-ACTIVE SUBSTRATES" This invention relates to cyanoacrylate adhesive compositions which are particularly suitable for bonding porous or non-active surfaces such as wood or paper, surfaces which are acidic or which have been treated with chromates. It is a particular object of the invention to provide a one-part cyanoacrylate composition which is stable on storage but which sets up quickly on application to the surface to be bonded and which therefore can be called an "instant adhesive composition".
In U.S. Patent 4,556,700 Harris et al, we have described the use of various calixarene derivatives as additives for cyanoacrylate compositions.
U.S. Patent 4,460,759 Robins describes a 2-part adhesive system wherein one part comprises an alpha-cyanoacrylate monomer plus stabilizer and the other part is a weakly acidic or weakly basic ionic accelerator compound comprising a cation M and an anion A, the pKa relating to cation M in the equilibrium defined by
being at least about 10, the pKa relating to anion A in the equilibrium defined by
being less than or equal to about 0, and the nucleophilicity constant of anion A being less than about 2 when cation M is an onium cation comprising more than 8 carbons, the nucleophilicity constant being determined relative to methyl iodide.
The cation M may be K+, Na+, Ca+, Li+, Ba++, Ca++, Mg++, Mn++, or an onium cation such as a quaternary ammonium cation e.g. tetraethyl ammonium cation, tetrapropyl ammonium cation, tetrabutyl ammonium cation1 trimethylethyl ammonium cation, dimethyldiethyl ammonium cation, and trimethylbutyl ammonium cation. Examples given of anion A are perchlorate, iodide, bromide, chloride, chlorate, thiocyanate, nitrate, phenylsulfonate, methyl phenyl sulfonate, methylsulfonate, trifluoroacetate, tetrafluoroborate, periodate, triflate, hexafluorophosphate, hexafluoroantimonate and hexafluoroarsenate.
This 2-part adhesive system is said to exhibit suitable cure rates when employed on wooden substrates. However 2-part adhesive systems are inconvenient to use because the accelerator portion must be stored separately and applied as a primer to at least one of the substrate surfaces in a separate operation to the application of the adhesive portion. The Robins Patent contains no teaching about 1-part cyanoacrylate adhesive compositions and it may be deduced that Robins expected that a 1-part composition would cure prematurely and would not have an acceptable storage life.
Japanese Patent Publication No. 58-87170 Toa Gosei Chemical Industry Co., Limited describes an adhesive composition consisting of a 2-cyanoacrylate and at least one of the following: (A) a S03 complex of a tertiary amine, and (B) a sulfonium tetrafluoroborate.
These adhesive compositions are said to have a good storage stability and a rapid adhesion rate on substrates including wood.
However this publication describes only the two narrow groups of accelerators (A) and (B), and does not provide any teaching which would enable one to identify a general class of accelerator compounds.
The sulphonium salt designated UVE1014 by General Electric Company and iodonium salts have been employed in photocurable epoxy-acrylate compositions. However, these salts need light to effect release of so-formed Lewis acid which brings about cationic cure of the epoxy constituent in the composition and not the acrylate which is cured by free radical agent (photoinitator plus light). This utilisation is described in U.S. Patent 4,156,035 by J. Tsao of W.R.
Grace & Co. Similarly iodonium salts are described in PCT Int.
Application 8501947 090,585 Al 84 by J. Woods and E. Casey of Loctite (Ireland) Limited in photocurable epoxy-acrylate compositions.
However these disclosures do not provide any teaching about the behaviour of sulphonium or iodonium salts in anionic polymerisation of a cyanoacrylate.
The present inventors have now surprisingly found that certain salts or ionic compounds known as phase transfer catalysts can be used in 1-part cyanoacrylate adhesive compositions with good storage life and yet with "instant" adhesive activity upon application to a substrate.
The present invention provides a one-part adhesive composition comprising a cyanoacrylate monomer and a phase transfer catalyst of the formula C+A A wherein C is a cation other than sulfonium, and A- is an anion of low nucleophilicity which does not initiate polymerisation of the cyanoacrylate monomer.
The compositions according to the invention have good storage stability but in contact with a porous or non-active surface such as paper or wood they polymerise very rapidly. Although the present application is not restricted by any theory, it is believed that upon contact with such a surface the soft anion A of the phase transfer catalyst C+ A- is exchanged for a more nucleophilic anion present on the surface to be bonded. As this other anion is transferred into the composition, it initiates anionic polymerisation of the cyanoacrylate monomer and leads to bonding.
The phase transfer catalyst can consist of a metal salt, e.g. a sodium salt complexed with a niacrocyclic compound such as a crown ether or calixarene derivative to render the metal salt soluble in the cyanoacrylate monomer. The compositions according to the invention do not set up in the presence of such a macrocyclic compound, provided that the anion A- is of low nucleophilicity.
The term "low nucleophilicity" will be understood by those skilled in the art. Nucleophilicity is usually defined with respect to a particular substrate (e.g. methyl iodide as in U.S. Patent 4,460,759 Robins). However determinations of nucleophilicity relative to one substrate are not necessarily applicable to another substrate. In the present invention it is sufficient to define "low nucleophilicity" by reference to the behaviour of the anion in the presence of cyanoacrylate monomer i.e. that it is not sufficiently nucleophilic to initiate the anionic polymerisation of the cyanoacrylate.
It will be understood that the adhesive composition may contain an anionic polymerisation inhibitor in conventional amounts of a few parts per million (e.g. up to 10 parts per million). Such inhibitors are normally added to reduce the risk of premature polymerisation of the cyanoacrylate by chance contact with a polymerisation - initiating anionic species, for example on the surface of a manufacturing or storage vessel. However the phase transfer catalysts C+ A of the invention will be present in quantities which are several times greater than those of the inhibitor, so that the inhibitor is unlikely to have any significant effect on the question whether an anion A is or is not of sufficiently high nucleophilicity to initiate polymerisation of the cyanoacrylate monomer.
The anion A may suitably be of the general formula MQe wherein M is a metal or metalloid particularly a transition metal such as Sb, Fe, Sn, Bi, Al, Ga, In, Ti, Zr, Sc, V, Cr, Mn, or Cs, a rare earth element including a lanthanide such as Ce, Pr or Nd or an actinide such as Th, Pa, U, Np, or a metalloid such as B, P, As; Q is a halogen radical; f = valence of M and is an integer 2-7 inclusive; e is greater than f and is an integer up to 8.
Particular preferred examples of the anion A of general formula MQe(e f) are BF4, PF6, SbF6, SbCl4, AsF6, SbCl6, SnCl6, and FeCl4; a further example of the anion A is CF3SO3.
The cation may suitably be: onium such as ammonium
wherein R1, R2, R3 and R4, which may be the same or different, are H, hydrocarbyl, aryl, or hydrocarbylaryl, provided that at least one of R1, R2, R3 and R4 is other than H; a quaternary chlorometallate R5 N+ R6 M Clx II R3" wherein R5 and R6 may be the same or different H or hydrocarbyl and R6 may also be aryl or hydrocarbylaryl, provided that at least one of R5 and R6 is other than H; M = Fe, Ir, Pt or Au x = an integer 4-6; pyryllium
wherein R7r R8 and R9 are H, hydrocarbyl, aryl, or hydrocarbylaryl thiopyryl 1 ium
wherein R71 R8 and R9 are as defined above; iodonium
wherein R7 and R8 are as defined above; phosphonium
wherein " R2 R3 and R4 are as defined above; diazonium Aryl -N2+ carbenium, e.g. trityl or tropylium; metallocenium e.g. ferricenium or cobaltocenium: an alkali metal ion complexed in a macrocycle e.g. a calixarene derivative, a crown ether or polyethylene glycol derivative.
Suitable organometallic complex cations are described in EP 0,109,851 A2 of Minnesota Mining and Manufacturing Company, for example.
The term "hydrocarbyl" as used herein means aliphatic and cycloaliphatic hydrocarbyl. Hydrocarbyl is preferably alkyl or alkenyl, especially having 1-10 carbon atoms, more particularly 4-10 carbon atoms e.g. n-butyl, and may be substituted with one or more halo groups (e.g. chlorine, bromine, fluorine or iodine) or substituted or interrupted by hetero atoms other than nitrogen, particularly oxygen or sulphur.
The phase transfer catalyst is preferably present in an amount of 0.1-5%, particularly 0.5-2% by weight, based on tle cyanoacrylate monomer.
Alpha-cyanoacrylate adhesive compositions are well known and are described, for example in U.S. Patent 4,556,700 Harris et al. While such compositions are composed principally of alpha-cyanoacrylate monomer, the formulation may contain stabilisers, thickeners, adhesion promoters, plasticisers, dyes, heat resistant modifiers, perfumes and such like.
The invention is illustrated in the following Examples: EXAMPLE 1 To ethyl cyanoacrylate stabilised with 5 parts per million (by weight) methanesulphonic acid were added to the following phase transfer agents at a level of 0.5% by weight based on the monomer: Phase Transfer Aqent Fixture Time (Secs.) Stabilitv Paper Wood 0 15 300 (CH3)4N+ BF4 5-10 35 r14 days RT
Phase Transfer Agent Fixture Time (Secs.) Stability Paper Wood (CH3CH2CH2CH2)4N+BF4 3 25 1-2 days 820C > 180 days RT (CH3CH2CH2CH2)4N+PF6 10-15 45 N 38 days RT P+ P SbF6 VII 3 15 > 2 days RT 0 VIII VIII 3 45 > 2 days 820C rl l > 180 days RT C S+ < BF4 H3C- If- Ci-(3 AsF6 IX 20 120 > 180 days RT Co+ PF6 X 15 50-70 ) 10 days RT ( (CH3CH2CH2CH2)4N+AuCl4 4 80 ss 2 days RT RT = Room Temperature EXAMPLE 2 Further tests were carried out on Cyanoacrylate Adhesive Composition Loctite 495, available from Loctite Corporation, Newington, Connecticut, U.S.A., using 1% by weight of the additives indicated: : Fixture Time (Secs.) Additive Amount Cony PaPer White Deal Stability O O > 60 240+ (n-C4H9)4N+BF4 1% 7 7 > 6 months RT 2,4-bis-4-allyloxyphenyl-6phenyl pyryllium SbF6 1% 30 20-30 6 months RT

Claims (7)

  1. CLAIMS 1. A one-part adhesive composition comprising a cyanoacrylate monomer and a phase transfer catalyst of the formula C+ A- wherein C is a cation other than sulfonium, and A- is an anion of relatively low nucleophilicity which does not initiate polymerisation of the cyanoacrylate monomer.
  2. 2. A composition according to Claim 1 wherein the anion A- is of the general formula MQ-(e-f) wherein M is a metal or metalloid; Q is a halogen radical; f = valence of M and is an integer 2-7 inclusive e is greater than f and is an integer up to 8.
  3. 3. A composition according to Claim 2 wherein M is selected from: transition metals, rare earth elements, and metalloids.
  4. 4. A composition according to Claim 3 wherein M is selected from: Sb, Fe, Sn, Bi, Al, Ga, In, Ti, Zr, Sc, V, Cr, Mn, Cs; Ce, Pr, Nd; Th, Pa, U, Np; B, P or As.
  5. 5. A composition according to Claim 4 wherein the anion A- is selected from BF4, PF6, SbF6, SbC14, AsF6, SbCl6, SnCl6, and FeCl4.
  6. 6. A composition according to Claim 1 wherein the anion A- is CF3SO3.
  7. 7. A composition according to Claim 1 wherein the cation C+ is selected from: ammonium; quaternary chlorometallates; pyryllium; thiopyryllium; iodonium; phosphonium; carbenium; metallocenium; diazonium; any of which may be substituted or unsubstituted.
GB9003718A 1989-03-06 1990-02-19 Cyanoacrylate compositions for bonding porous or non-active substrates Withdrawn GB2228943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE71189 1989-03-06

Publications (2)

Publication Number Publication Date
GB9003718D0 GB9003718D0 (en) 1990-04-18
GB2228943A true GB2228943A (en) 1990-09-12

Family

ID=11017145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9003718A Withdrawn GB2228943A (en) 1989-03-06 1990-02-19 Cyanoacrylate compositions for bonding porous or non-active substrates

Country Status (1)

Country Link
GB (1) GB2228943A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5411998A (en) * 1992-07-24 1995-05-02 Loctite Limited Curing anaerobic compositions through thick bondlines
WO1998007801A1 (en) * 1996-08-16 1998-02-26 Loctite (Ireland) Limited Cyanoacrylate compositions with improved thermal and glass bonding performance
WO1998018876A1 (en) * 1996-10-25 1998-05-07 Henkel Kommanditgesellschaft Auf Aktien Fluorescent cyanoacrylate adhesive
WO2012035112A1 (en) * 2010-09-15 2012-03-22 Loctite (R&D) Limited Two-part, cyanoacrylate/cationically curable adhesive systems
WO2014042082A1 (en) 2012-09-11 2014-03-20 東亞合成株式会社 2-cyanoacrylate-based adhesive composition
WO2014091966A1 (en) 2012-12-14 2014-06-19 東亞合成株式会社 Adhesive composition
JP2014141645A (en) * 2012-12-26 2014-08-07 Toagosei Co Ltd 2-cyanoacrylate-based adhesive composition
JP2014167097A (en) * 2013-01-31 2014-09-11 Toagosei Co Ltd 2-cyanoacrylate-based adhesive composition
WO2015137156A1 (en) * 2014-03-12 2015-09-17 東亞合成株式会社 2-cyanoacrylate adhesive composition
WO2015137153A1 (en) * 2014-03-11 2015-09-17 東亞合成株式会社 2-cyanoacrylate adhesive composition
TWI629327B (en) * 2013-09-03 2018-07-11 東亞合成股份有限公司 Adhesive composition (1)
US10793749B2 (en) 2016-06-28 2020-10-06 Toagosei Co., Ltd. 2-cyanoacrylate-based adhesive composition

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5411998A (en) * 1992-07-24 1995-05-02 Loctite Limited Curing anaerobic compositions through thick bondlines
WO1998007801A1 (en) * 1996-08-16 1998-02-26 Loctite (Ireland) Limited Cyanoacrylate compositions with improved thermal and glass bonding performance
WO1998018876A1 (en) * 1996-10-25 1998-05-07 Henkel Kommanditgesellschaft Auf Aktien Fluorescent cyanoacrylate adhesive
US6204309B1 (en) 1996-10-25 2001-03-20 Henkel Kommanditgesellschaft Auf Aktien Fluorescent cyanoacrylate adhesive
KR101496344B1 (en) * 2010-09-15 2015-03-12 헨켈 아이피 앤드 홀딩 게엠베하 Two-part, cyanoacrylate/cationically curable adhesive systems
WO2012035112A1 (en) * 2010-09-15 2012-03-22 Loctite (R&D) Limited Two-part, cyanoacrylate/cationically curable adhesive systems
US20130053497A1 (en) * 2010-09-15 2013-02-28 Henkel Ireland Ltd. Two-part, cyanoacrylate/cationically curable adhesive systems
US20130178560A1 (en) * 2010-09-15 2013-07-11 Henkel Ireland Limited Two-part, cyanoacrylate /cationically curable adhesive systems
CN103228747A (en) * 2010-09-15 2013-07-31 汉高爱尔兰有限公司 Two-part, cyanoacrylate/cationically curable adhesive systems
US8580888B2 (en) 2010-09-15 2013-11-12 Henkel Ireland Limited Two-part, cyanoacrylate/cationically curable adhesive systems
CN103228747B (en) * 2010-09-15 2016-05-18 汉高知识产权控股有限责任公司 Cyanoacrylate/cation-curable adhesive composition of bi-component
US8742048B2 (en) * 2010-09-15 2014-06-03 Henkel IP & Holding GmbH Two-part, cyanoacrylate /cationically curable adhesive systems
EP2896668A4 (en) * 2012-09-11 2016-05-04 Toagosei Co Ltd 2-cyanoacrylate-based adhesive composition
WO2014042082A1 (en) 2012-09-11 2014-03-20 東亞合成株式会社 2-cyanoacrylate-based adhesive composition
US9353299B2 (en) 2012-09-11 2016-05-31 Toagosei Co., Ltd. 2-cyanoacrylate-based adhesive composition
JP5556977B1 (en) * 2012-09-11 2014-07-23 東亞合成株式会社 2-Cyanoacrylate adhesive composition
TWI585177B (en) * 2012-12-14 2017-06-01 Toagosei Co Adhesive composition
KR102140940B1 (en) * 2012-12-14 2020-08-04 도아고세이가부시키가이샤 Adhesive composition
WO2014091966A1 (en) 2012-12-14 2014-06-19 東亞合成株式会社 Adhesive composition
CN104937056A (en) * 2012-12-14 2015-09-23 东亚合成株式会社 Adhesive composition
US20150315426A1 (en) * 2012-12-14 2015-11-05 Toagosei Co., Ltd. Adhesive composition
KR20150097481A (en) * 2012-12-14 2015-08-26 도아고세이가부시키가이샤 Adhesive composition
EP2933302A4 (en) * 2012-12-14 2016-08-10 Toagosei Co Ltd Adhesive composition
US9458361B2 (en) 2012-12-14 2016-10-04 Toagosei Co., Ltd. Adhesive composition
JPWO2014091966A1 (en) * 2012-12-14 2017-01-05 東亞合成株式会社 Adhesive composition
CN104937056B (en) * 2012-12-14 2018-03-02 东亚合成株式会社 Adhesive composition
JP2014141645A (en) * 2012-12-26 2014-08-07 Toagosei Co Ltd 2-cyanoacrylate-based adhesive composition
JP2014167097A (en) * 2013-01-31 2014-09-11 Toagosei Co Ltd 2-cyanoacrylate-based adhesive composition
TWI629327B (en) * 2013-09-03 2018-07-11 東亞合成股份有限公司 Adhesive composition (1)
WO2015137153A1 (en) * 2014-03-11 2015-09-17 東亞合成株式会社 2-cyanoacrylate adhesive composition
JPWO2015137153A1 (en) * 2014-03-11 2017-04-06 東亞合成株式会社 2-Cyanoacrylate adhesive composition
US9688840B2 (en) 2014-03-11 2017-06-27 Toagosei Co., Ltd. 2-cyanoacrylate adhesive composition
JPWO2015137156A1 (en) * 2014-03-12 2017-04-06 東亞合成株式会社 2-Cyanoacrylate adhesive composition
US9611378B2 (en) 2014-03-12 2017-04-04 Toagosei Co., Ltd. 2-cyanoacrylate adhesive composition
WO2015137156A1 (en) * 2014-03-12 2015-09-17 東亞合成株式会社 2-cyanoacrylate adhesive composition
US10793749B2 (en) 2016-06-28 2020-10-06 Toagosei Co., Ltd. 2-cyanoacrylate-based adhesive composition

Also Published As

Publication number Publication date
GB9003718D0 (en) 1990-04-18

Similar Documents

Publication Publication Date Title
GB2228943A (en) Cyanoacrylate compositions for bonding porous or non-active substrates
JP4662963B2 (en) Stabilized cationic curable composition
US5514728A (en) Catalysts and initiators for polymerization
US3907706A (en) Latent catalyst systems for cationically polymerizable materials
US3774305A (en) Thermosetting acrylic resins and their use as binders in dental filling compositions
EP0134677A1 (en) Radiation-activatable anaerobic adhesive composition
JPH0250922B2 (en)
GB1445548A (en) 1-3-naphth-1-yloxy-2-hydroxypropyl-piperazine derivatives
US5824180A (en) Method of bonding or decorating artificial nail
US4532268A (en) Imidazole agent for retarding the polymerization of aziridine compounds
KR102309461B1 (en) Chemical polymerization initiator, adhesive composition, adhesive composition kit, dental material, dental material kit and storage method of adhesive composition
EP0400809A3 (en) Gas generant compositions containing salts of 5-nitrobarbituric acid, salts of nitroorotic acid, or 5-nitrouracil
US5506326A (en) Air-activatable polymerizable compositions containing onium salts
Antonucci et al. New initiator systems for dental resins based on ascorbic acid
DE68919940D1 (en) Olefin polymerization catalyst.
IE43139L (en) Bis-biguanide compounds
US4775727A (en) Rapid cure acrylic adhesive compositions
US6613437B1 (en) Two-component preparations containing epoxy compounds
EP0611813B1 (en) One-component air-activatable polymerisable compositions containing onium salts
GB1519523A (en) Moulding compositions based on unsaturated polyester resins
JP2020183513A (en) Adhesive composition, adhesive composition kit, and method for storing adhesive composition
JPS60199006A (en) Curable composition and curing process
US4575544A (en) Ferricenium salt catalysts for vinyl ethers
EP0478220B1 (en) Peroxy cured (meth)acrylic ester compositions employing metal dithiolate catalysts
AU726418B2 (en) Cyanoacrylate compositions with improved thermal and glass bonding performance

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)