WO1999027027A1 - Funktionelle farbstoffe als indikator in aerob härtenden zusammensetzungen - Google Patents
Funktionelle farbstoffe als indikator in aerob härtenden zusammensetzungen Download PDFInfo
- Publication number
- WO1999027027A1 WO1999027027A1 PCT/EP1998/007303 EP9807303W WO9927027A1 WO 1999027027 A1 WO1999027027 A1 WO 1999027027A1 EP 9807303 W EP9807303 W EP 9807303W WO 9927027 A1 WO9927027 A1 WO 9927027A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- methacrylate
- acrylate
- composition according
- weight
- compounds
- Prior art date
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- 125000005055 alkyl alkoxy group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229940095259 butylated hydroxytoluene Drugs 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- NLCKLZIHJQEMCU-UHFFFAOYSA-N cyano prop-2-enoate Chemical class C=CC(=O)OC#N NLCKLZIHJQEMCU-UHFFFAOYSA-N 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- GFAZHVHNLUBROE-UHFFFAOYSA-N hydroxymethyl propionaldehyde Natural products CCC(=O)CO GFAZHVHNLUBROE-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- KOCXCPHEKSLCMQ-UHFFFAOYSA-N n-(1-phenylethylideneamino)methanamine Chemical compound CNN=C(C)C1=CC=CC=C1 KOCXCPHEKSLCMQ-UHFFFAOYSA-N 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000010944 pre-mature reactiony Methods 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000002824 redox indicator Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09J175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/14—Polymers provided for in subclass C08G
- C08F290/147—Polyurethanes; Polyureas
-
- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J4/00—Adhesives 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
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/808—Optical sensing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2804—Next to metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
- Y10T428/2891—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer from alpha-beta unsaturated carboxylic acid [e.g., acrylic acid, methacrylic acid, etc.] Or derivative thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2896—Adhesive compositions including nitrogen containing condensation polymer [e.g., polyurethane, polyisocyanate, etc.]
Definitions
- the present invention relates to an aerobically curing reactive adhesive composition, its production and use.
- Adhesive bonds can be found in the household appliances, electrical, electronics, furniture, sporting goods, construction (indoor and outdoor), ceramics industries and in motor vehicle construction, including their suppliers.
- the mechanical engineering industry benefits from the adhesive properties as well as the fittings or installation technology, where additional sealing tasks have to be performed.
- Wood. Glass. PVC, PC (polycarbonate). and ABS in particular, different material pairings are important in terms of adhesive technology.
- the performance limit of known adhesive systems is often reached through different thermal expansion behavior or loss of adhesion, even on materials such as ferrite or ceramic.
- the adhesives must have additional damping properties or, in the case of different electrochemical potentials, must not have any corrosion-promoting properties.
- Adhesives are application-related limits with regard to gap filling capacity. Elasticity, automatic dosing, heat resistance. Volatility and aging behavior known.
- Aerobically curable adhesives e.g. are known from DE-A-4000776 or DE-A-4123194, meet many of the aforementioned requirements. Aerobically curable adhesive compositions are known to be free-radically polymerizable multicomponent mixtures which are stable in storage in the absence of air, in particular oxygen. Furthermore, these compositions must not contain peroxides. For this purpose, it is known that these compositions are carefully degassed and / or a deoxygenator is added.
- Adhesives and sealing, coating and molding compounds initially have a long shelf life over a period of practice of several months, which is sufficient for practical use, and then cure in a simple manner with the entry of air at room temperature within a short time.
- To activate the aerobic adhesive waiting times are required before or after the joining, during which the oxygen in the air must have access to the adhesive composition.
- DE-A-4441414 proposes devices and measures for metering and storing aerobic adhesives. According to the teaching of the document, the time between the application of adhesive and the joining of the parts to be joined can also be reduced by adding the oxygen to the adhesive before it is applied.
- the application device contains a mixing chamber in which the oxygen - be it in pure form or as air - is added to the adhesive with more or less pressure.
- One-component, aerobically curing reactive adhesives require a certain time to activate atmospheric oxygen (air contact time).
- the required air contact time depends on the additives, stabilizers, temperature and other parameters used in the adhesive composition, so that the respective optimal air contact time for the user would only have to be determined by experiments. For problem-free and low-error use of such adhesives, there is therefore a need to be able to easily determine the sufficient oxygen absorption of the aerobically curable composition.
- EP-A-342965 describes an adhesive composition consisting of a one-component adhesive-curing adhesive and an effective proportion of a water-insoluble initiator which does not react with the components of the adhesive at room temperature, but which produces a color change when heat-cured in order to visually determine the curing state of the adhesive to effect.
- EP-A-79703 describes a two-component adhesive composition, one component of which contains a vinyl monomer and a polymerization initiator and the second component contains a polymerization accelerator and additionally a redox indicator with an E 0 greater than + 0.01 to less than + 0.76 volt and an R H from 13.5 to 28.
- the dye serves to indicate the point in time from which the mixing of the two-component adhesive composition should no longer be used after the mixing (end of pot life). Furthermore, this dye serves to distinguish the two reactive components and to determine the completeness of the mixing.
- DE-A-4001417 describes a toughened two-component epoxy resin adhesive based on an epoxy resin and an amine hardener. wherein the resin component contains a color indicator, which indicates a homogeneous mixing of resin and hardener by color change.
- DE-A-4132726 and DE-A-4112649 describe adhesive systems based on epoxy resins, to which a color or a color pigment is mixed, which change their color during curing, so that the complete curing of the adhesive composition can be determined.
- EP-A-96500 describes a two-component adhesive composition based on polymerizable vinyl monomers. Radical stabilizers and a radical hardening system. When the two components are mixed, there is a color change that enables the mixing to be complete and is a visible indicator of the limited pot life. Furthermore, the hardening process is accompanied by a color change.
- R 1 1 _ hydrogen or a methyl group
- R 4 is a) a polycaprolactone diol residue, b) a polytetrahydrofurfuryldiol residue or c) a diol residue.
- a polyester diol which is characterized by a C: O ratio of> 2.6, a C: H ratio of ⁇ 10 and a molecular weight of 1000 to 20,000 or d) is a diol residue.
- a polyester diol which is liquid at 20 ° C. and has a molecular weight of 4,000 to 10,000, measured using GPC (gel permeation chromatography) and
- R- * is a triol radical of a linear or branched trihydric alcohol containing 3 to 6 carbon atoms and p is 1 to 10 and
- Q and Q 'independently of one another contain 6 to 18 carbon atoms containing aromatic, aliphatic or cycloaliphatic groups which are derived from diisocvanates or diisocyanate mixtures and B) contains one or more (meth) acrylate comonomers.
- the activator system is a hydrazone activator system.
- the compounds of the above formula (I) can be prepared by processes known per se in the prior art by reacting one in the ester group
- the acrylates or methacrylates are hydroxyalkyl acrylates or methacrylates. wherein the alkyl groups can be linear or branched and contain between 2 and 6 carbon atoms.
- the esters of acrylic acid and methacrylic acid with polyethylene glycol and / or polypropylene glycol can also be used.
- Such acrylates or methacrylates contain 4 to 21 carbon atoms in the ester group, corresponding to 2 to 10 ethylene oxide units and 1 to 7 propylene oxide units.
- the preparation of such esters is known to the person skilled in the art.
- Suitable acrylates or methacrylates are those for which ⁇ X is an ethylene. Contain propylene, isopropylene, n-butylene, isobutylene group or ethylene oxide or propylene oxide units.
- hydroxyethyl acrylate Hydroxyethyl methacrylate. 2-hydroxypropyl acrylate. 2-hydroxypropyl methacrylate. 3-hydroxypropyl acrylate, 3-hydroxypropyl methacrylate, 6-hydroxyhexyl acrylate. 6-hydroxyhexyl methacrylate, polyethylene glycol acrylate. Polyethylene glycol methacrylate. Polypropylene glycol acrylate and polypropylene glycol methacrylate.
- the diols are a) polycaprolactone diols. b) polytetrahydrofurfuryl diols and c) special polyester diols.
- the molar ratio in the reaction of the diols with the diisocyanates can vary in the ratio of 1: 2 to 1: 1.1.
- the adhesive composition may further contain one or more acrylate or methacrylate comonomers. These monomers are selected from allyl acrylate, allyl methacrylate. Methyl acrylate. Methyl methacrylate 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2- or 3-hydroxypropyl acrylate. 2- or 3-hydroxypropyl methacrylate. 6-hydroxyhexyl acrylate, 6-hydroxyhexyl methacrylate, benzyl methacrylate, phenylethyl methacrylate, 2-phenoxyethyl methacrylate.
- dimethacrylates such as in particular TEGDMA (tetraethylene glycol dimethacrylate).
- the composition according to the invention preferably contains 20 to 70% by weight of the polyurethane (meth) acrylate and 80 to 30% by weight of the (meth) acrylate comonomer. based on the total amount of polymerizable compounds.
- the adhesive compositions according to the invention are used as free-radically polymerizable one-component systems.
- a starter or activator system is used which triggers the polymerization on olefinically unsaturated systems.
- Such activators are inherently capable of being activated by access to ambient air, which activation should occur in preferred embodiments at room temperature.
- Such activator systems generally consist of a starter component and an accelerator component.
- One-component adhesive systems should be stable in storage, moldable in their application form, in particular pasty to flowable and have a pot life sufficient for processing, but then harden in a dimensionally stable manner by the simple action of ambient air.
- the one-component adhesive systems must be kept protected from air access until use.
- hydrazones were used as starters or main components in activator systems for the curing of the unsaturated compounds by means of ambient air.
- the hydrazone compounds are preferably used for the acceleration with metal compounds which are at least partially soluble in the system.
- hydrazone components preferably used according to the invention correspond to the following general formula II
- R 7 The radicals R 6 R 7 and R 8 from this general formula (II) have the following meaning:
- R 6 is a straight-chain, branched or cyclic and optionally substituted alkyl radical or an optionally substituted aryl radical.
- R 7 can have the same or different meaning from the radical R 6 and is hydrogen, a straight-chain one. branched or cyclic and optionally substituted alkyl radical or an optionally substituted aryl radical.
- radicals R 6 and R 7 can also form a cycloaliphatic radical together with the common substituted C atom, which radical can also be substituted.
- the radical R 8 is again a straight-chain, branched or cyclic and optionally substituted alkyl radical or an optionally substituted aryl radical.
- the residues R 6 . R 7 and R 8 may be the same as a whole or at least in part, but each of these residues can also differ in structure from the other two residues.
- Suitable alkyl radicals are, in particular, straight-chain and / or branched alkyl radicals having up to 40 C atoms, preferably up to about 20 C atoms.
- the minimum number of cyclic residues is determined by the stability of the respective ring system. A preferred lower limit is 5 and in particular 6 C atoms.
- the radicals R 6 , R 7 and R 8 can be unsubstituted or substituted. It should be taken into account here that a certain influence on the reactivity of the activator system can be exerted by substitution of these residues and in particular the residue R 8 .
- the radical R 8 is an aromatic system, in particular a phenyl radical. by suitable substitution of this phenyl radical, an acceleration of the reaction can be achieved in that known electron-donating substituents this phenyl radical can be provided in R 8 .
- Electron-donating and thus reaction-accelerating substituents are, for example, alkyl alkoxy and / or halogen substituents on the phenyl radical in R 8 , conversely, strong electron-withdrawing substituents of the type of the -NO 2 group have a slowing effect on the course of the reaction.
- radicals R 6 and R 7 from the general formula II can also have an effect on the rate of the reaction sequence by choosing the particular constitution and the substitution which may be provided.
- R 7 and R 8 from the compounds of general formula II are the US-PS 4,010,152 with their formula images from columns 6 to 14 information.
- the hydrazone compounds are already shown here in the form of their hydroperoxides, as are also formed according to the invention in situ in the course of the reaction with the entry of atmospheric oxygen.
- the extensive information in this last-mentioned publication relating to the specific nature of the hydrazone compounds and the hydroperoxides which arise from them in situ apply to the teaching of the invention in connection with the definition of the compounds of the general formula II.
- partially soluble metal compounds can be present in the system.
- metal compounds of such metals are used which can occur in several valence levels (dry substances).
- Selected representatives of the transition metals can be particularly active here.
- the respective selection of the metal can, among other things, have a speed-determining character for initiating the polymerization.
- highly active components derive e.g. B. from copper, cobalt, vanadium and / or manganese. Compounds of iron are of particular importance and good reaction acceleration.
- Iron, cobalt and / or manganese compounds are particularly suitable for working at room temperature, which is particularly advantageous for many fields of application, optionally in admixture with other metallic components such as compounds of lead, cerium, calcium. Barium, zinc and / or zircon. You can refer to the relevant specialist literature here. A detailed description of such systems can be found, for example, in ..Ullmann. Encyclopedie der Technische Chemie ", 4th edition, volume 23 (1983). Pages 421 to 424.
- the metals concerned here are used in the form of such compounds that they are at least partially soluble in the overall system. Both soap-like metal compounds and other types, in particular complexes bonded to organic radicals, come into consideration. Typical examples of working in the sense of the action according to the invention is the use of corresponding metal naphthenates or metal acetylacetonates. If there is sufficient solubility of inorganic salts in the system, however, the use of such inorganic systems is also possible. A typical example of this is iron chloride, which shows a significantly accelerating effect when used in the system according to the invention.
- the metal compounds in each case in a low valence level of the metal - for example as cobalt (II) or manganese (II).
- the use of the metal compound in is also suitable the higher valence level of the metal.
- iron can also be used in the form of the Fe 3+ compounds.
- compositions according to the invention can contain reducing agents with accelerating action, as are used in conventional redox systems to initiate polymerization.
- reducing agents with accelerating action as are used in conventional redox systems to initiate polymerization.
- alpha-hydroxyketones has proven to be particularly active here. for example with their representatives Butyroin. Benzoin or acetoin have been proven, but the teaching of the invention is in no way limited to this. Reference is made to the modifications shown in the examples according to the invention. It is important that this class of substances can take on an important reaction-accelerating function in the activator systems used according to the invention, but that their use is not mandatory.
- Starters or activator systems consisting of the main components described here, hydrazone compound, at least partially soluble metallic drier and / or accelerators which are optionally used, are able, after taking up ambient air, to initiate all of the free-radically polymerizable olefinically unsaturated systems which have hitherto been used with the most varied, in particular peroxidic starter systems become.
- Olefinically unsaturated reactive systems can be constructed on the basis of selected free-radically polymerizable ethylenically unsaturated compounds or on the basis of mixtures of several types of such compounds.
- the ethylenically unsaturated polymerizable components can be monofunctional compounds and / or polyfunctional reactive components.
- Dyes known per se are used as an indicator of the sufficient oxygen uptake of the aerobically curable compositions according to the invention.
- the selection criteria for these dyes are a clearly visible color change which has to correlate with the sufficient oxygen absorption of the adhesive composition. Color change is understood to mean the formation of a color different from the original state or the decrease or increase in the intensity of the original color.
- the addition of the dyes in the concentration ranges to be used must not adversely affect the physical properties of the curable system or its setting properties.
- leuco dyes such as leuco crystal violet and leukomalachite green are sensitive to oxidation and have a clear color change after oxidation.
- Studies in the adhesive compositions according to the invention with these leuco dyes showed a change in color as a function of the contact time with the air, but this change in color did not correlate with the degree of polymerization.
- dyes and indicators are suitable whose color change in aqueous solution lies in a pH range from 3.0 to 6.5.
- dyes are bromophenol blue. Bromochlorophenol blue. Bromocresol green. 5- nitroindazolinone. Alizarin S. Methyl Red, Ethyl Red.
- the amount of the dyes to be used is measured according to the intended use and the inherent color of the adhesive composition without the dye. It can easily be determined in individual cases by professional considerations and / or by preliminary tests. Generally the weight fraction of dyes is at most 5% by weight. preferably 0.01 to 2 wt .-% based on the total composition.
- the purity of the composition is of particular importance for the targeted polymerization, in particular for storage.
- the oxygen can be removed by degassing.
- the homogenized composition without the hydrazone is preferably exposed to a vacuum of 0.5 Torr at about -196 ° C. for 2 to 5 minutes and then warmed to room temperature. Repeating this freeze / thaw cycle will remove residual oxygen from the system.
- a simple and practical mood is to store the composition at 80 ° C in the absence of air. Polymerization must not have occurred after 24 hours.
- the degassing can also be carried out in another way. e.g. with the help of ultrasound or by chemical means.
- Hydroquinone monomethyl ether (1,2). Butylated hydroxytoluene (2) and phenothiazine (2).
- Deoxygenators of the triphenylphosphine type and iodide-iodine solutions are of particular importance for stabilizing the system against undesired premature reaction. Their amount is measured according to the purpose. It can easily be determined in individual cases by professional considerations and / or by preliminary tests. In general, the weight fraction of stabilizers is at most 5% by weight, preferably 0.01 to 1 wt .-%, based on the total composition. An excessive amount delays the desired polymerization when air is admitted.
- compositions according to the invention are preferably used as aerobically curing sealing materials or adhesives, but they can also be used as a spreadable agent for surface coatings as a molding composition or as an additive to inks and printing inks.
- soluble and or insoluble fillers Elasticizers, thickeners, thixotropic agents, pigments.
- Adhesion promoter and the like are used without the functionality of the starter system according to the invention being endangered. The prerequisite for this is, of course, that it is ensured by selection of the auxiliary and fillers. Exclude disturbances in the interaction of the starter components. General chemical knowledge applies to this.
- compositions according to the invention contain, based on the total composition:
- composition e.g. Fillers, pigments,
- An aerobic adhesive composition of 40% by weight benzyl methacrylate became. 12 wt .-% hydroxypropyl methacrylate and 48 wt .-% polyurethane methacrylate from a polycaprolactone triol and a polycaprolactone diol as well as toluenediisocyanate and hydroxypropyl methacrylate, as described in Example V 1) on page 10 of DE 44 41 414 AI.
- the adhesive composition also contained the additives mentioned on page 11 of this document of acetophenone-tret.butylhydrazone as a starter and further conventional additives, in particular the aforementioned stabilizers.
- the composition was examined with regard to its adhesive properties when adhering to a wide variety of substrates (DIN 53281, 53282 and 53283).
- 5 drops of the adhesive composition (approx. 60 mg) were applied on one side to the substrate in question and added after an air contact time of 5 minutes. After this air contact time, a color change from yellow orange (the original color of the adhesive composition) to green was observed.
- the table below shows the strength values of the bond achieved after the air contact time specified above. These values are mean values which were determined from at least 5 measurements. ".KB” means cohesive failure in the adhesive joint, "MB” means material failure of the substrate. The times for storage relate to the storage time of the bonded substrates before the corresponding strength test. Force tensile shear strength break through hardening
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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)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/555,160 US6518356B1 (en) | 1997-11-24 | 1998-11-16 | Functional dyes used as an indicator in aerobically hardening compositions |
EP98963458A EP1044245B1 (de) | 1997-11-24 | 1998-11-16 | Funktionelle farbstoffe als indikator in aerob härtenden zusammensetzungen |
DE59810686T DE59810686D1 (de) | 1997-11-24 | 1998-11-16 | Funktionelle farbstoffe als indikator in aerob härtenden zusammensetzungen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19751953A DE19751953A1 (de) | 1997-11-24 | 1997-11-24 | Funktionelle Farbstoffe als Indikator in aerob härtenden Zusammensetzungen |
DE19751953.9 | 1997-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999027027A1 true WO1999027027A1 (de) | 1999-06-03 |
Family
ID=7849621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/007303 WO1999027027A1 (de) | 1997-11-24 | 1998-11-16 | Funktionelle farbstoffe als indikator in aerob härtenden zusammensetzungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6518356B1 (de) |
EP (1) | EP1044245B1 (de) |
DE (2) | DE19751953A1 (de) |
ES (1) | ES2215336T3 (de) |
WO (1) | WO1999027027A1 (de) |
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JP3852395B2 (ja) * | 2002-11-06 | 2006-11-29 | 東亞合成株式会社 | 2−シアノアクリレート用硬化判定剤及び硬化判定方法 |
US20050192379A1 (en) * | 2003-07-15 | 2005-09-01 | Kwan Wing S.V. | Eradicable composition and kit |
US6905539B2 (en) * | 2003-07-15 | 2005-06-14 | Sanford L.P. | Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex |
US7488380B2 (en) * | 2003-10-07 | 2009-02-10 | Sanford, L.P. | Highlighting marking compositions, highlighting kits, and highlighted complexes |
US7083665B1 (en) | 2003-10-07 | 2006-08-01 | Sanford, L.P. | Highlightable marking composition, method of highlighting the same, highlightable marking composition kit, and highlighted marking composition complex |
US7704308B2 (en) * | 2003-10-07 | 2010-04-27 | Sanford, L.P. | Method of highlighting with a reversible highlighting mixture, highlighting kit, and highlighted complex |
US7229487B2 (en) * | 2004-01-14 | 2007-06-12 | Sanford, L.P. | Writing instruments with eradicable inks and eradicating fluids |
US7163575B2 (en) * | 2004-07-15 | 2007-01-16 | Sanford, L.P. | Water-based, resin-free and solvent-free eradicable ball-pen inks |
US7645443B2 (en) * | 2004-11-15 | 2010-01-12 | Kerr Corporation | Polyether-based composition curable by metathesis reaction |
US7625551B2 (en) * | 2004-11-15 | 2009-12-01 | Kerr Corporation | Polyether-based dental impression material curable by metathesis reaction |
US20060202158A1 (en) * | 2005-03-11 | 2006-09-14 | Chii-Shu Chen | Pigmented organic peroxides having disappearing red color |
US8415406B2 (en) * | 2005-07-22 | 2013-04-09 | Howmedica Osteonics Corp. | Setting time indicator for acrylic bone cement |
US20070021526A1 (en) * | 2005-07-22 | 2007-01-25 | Howmedica Osteonics Corp. | Setting time indicator for acrylic bone cement |
KR101464781B1 (ko) * | 2006-09-08 | 2014-11-24 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 변색성 시아노아크릴레이트 접착제 |
US20090098073A1 (en) * | 2007-10-12 | 2009-04-16 | Macdonald John Gavin | Phase change visual indicating composition |
US20090098081A1 (en) * | 2007-10-12 | 2009-04-16 | Macdonald John Gavin | System for providing a method for applying a skin sealant having a phase change visual indicating component |
US20090123569A1 (en) * | 2007-11-08 | 2009-05-14 | Macdonald John Gavin | Coverage indicating technology for skin sealants using tannates |
US8133436B2 (en) | 2008-08-05 | 2012-03-13 | Howmedica Osteonics Corp. | Polyethylene cross-linked with an anthocyanin |
JP5835055B2 (ja) * | 2012-03-28 | 2015-12-24 | 東亞合成株式会社 | プラスチック製フィルム又はシート用活性エネルギー線硬化型接着剤組成物 |
JP5853859B2 (ja) * | 2012-05-18 | 2016-02-09 | 東亞合成株式会社 | プラスチック製フィルム又はシート用活性エネルギー線硬化型接着剤組成物 |
WO2014151708A1 (en) | 2013-03-15 | 2014-09-25 | 3M Innovative Properties Company | Benzothiazol-2-ylazo-phenyl compound as dye, compositions including the dye, and method of determining degree of cure of such compositions |
US10233307B2 (en) | 2013-12-30 | 2019-03-19 | 3M Innovative Properties Company | Dye, filler made therefrom, compositions including the filler, and method of determining degree of cure of such compositions |
WO2015102967A1 (en) | 2013-12-30 | 2015-07-09 | 3M Innovative Properties Company | Compositions including a polythiol, an unsaturated compound, and a dye and methods relating to such compositions |
US10155887B2 (en) * | 2015-04-21 | 2018-12-18 | Worthen Industries | Two component sprayable adhesive additive and method of use |
CN107820506B (zh) | 2015-06-29 | 2019-06-14 | 3M创新有限公司 | 包含多硫醇、不饱和化合物和染料的组合物以及有关此类组合物的方法 |
CN105176423B (zh) * | 2015-10-29 | 2020-03-20 | 四川羽玺新材料股份有限公司 | 一种无卤环保绿色胶黏剂及其制备方法 |
US11781023B2 (en) * | 2019-01-29 | 2023-10-10 | Illinois Tool Works Inc. | Primer with internal guide coat |
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JPS53147731A (en) * | 1977-05-30 | 1978-12-22 | Dainichi Seika Kogyo Kk | Adhesive capable of discoloration |
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1997
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-
1998
- 1998-11-16 US US09/555,160 patent/US6518356B1/en not_active Expired - Fee Related
- 1998-11-16 ES ES98963458T patent/ES2215336T3/es not_active Expired - Lifetime
- 1998-11-16 DE DE59810686T patent/DE59810686D1/de not_active Expired - Lifetime
- 1998-11-16 WO PCT/EP1998/007303 patent/WO1999027027A1/de active IP Right Grant
- 1998-11-16 EP EP98963458A patent/EP1044245B1/de not_active Expired - Lifetime
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JPS53147731A (en) * | 1977-05-30 | 1978-12-22 | Dainichi Seika Kogyo Kk | Adhesive capable of discoloration |
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Also Published As
Publication number | Publication date |
---|---|
EP1044245B1 (de) | 2004-01-28 |
DE19751953A1 (de) | 1999-05-27 |
US6518356B1 (en) | 2003-02-11 |
EP1044245A1 (de) | 2000-10-18 |
ES2215336T3 (es) | 2004-10-01 |
DE59810686D1 (de) | 2004-03-04 |
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