WO1997022644A1 - Überzugsmittel und verfahren zur beschichtung insbesondere von kunststoffsubstraten - Google Patents
Überzugsmittel und verfahren zur beschichtung insbesondere von kunststoffsubstraten Download PDFInfo
- Publication number
- WO1997022644A1 WO1997022644A1 PCT/EP1996/005625 EP9605625W WO9722644A1 WO 1997022644 A1 WO1997022644 A1 WO 1997022644A1 EP 9605625 W EP9605625 W EP 9605625W WO 9722644 A1 WO9722644 A1 WO 9722644A1
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- WO
- WIPO (PCT)
- Prior art keywords
- meth
- weight
- tert
- amino group
- plastic substrates
- Prior art date
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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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6283—Polymers of nitrogen containing compounds having carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
Definitions
- Coating agent and method for coating plastic substrates in particular Coating agent and method for coating plastic substrates in particular.
- the invention relates to coating compositions which are particularly suitable for coating plastic substrates, such as polyethylene and polypropylene substrates. They are particularly suitable for painting automotive parts made of plastics.
- Plastic parts are increasingly used in industry. In order to create a good and visually uniform surface, especially when used with parts made of a different material, it is often coated with a varnish. The coating also protects the surface from environmental influences and leads to a longer service life for the parts. It is also possible to specifically influence certain properties through the coating, e.g. the lubricity or electrical conductivity of plastic parts.
- the known primers and primers have a high solvent content.
- the solids content of the coating agent is, for example, between 2 and 30%.
- JP 57-198763 describes coating compositions for polyolefin substrates.
- Their binder mixture consists of 10 to 90 wt .-% of a copolymer of methacrylic acid amides and thus copolymerizable unsaturated monomers and 90 to 10 wt .-% of chlorinated polyolefins.
- a crosslinker is not used in this coating composition, the coating dries physically.
- JP 56-050971 describes coating compositions for plastic substrates which consist of a mixture of an acrylate polymer, a chlorinated polyolefin and a resin with more than two epoxy groups per molecule.
- the acrylic polymer consists of basic nitrogen-containing acrylic monomers as well as (meth) acrylic ester monomers and other copolymerizable monomers.
- Epoxy group-containing polyethers are described as components containing epoxy groups.
- FR-A-2 432 542 describes a two-component coating composition which contains a basic nitrogen-containing acrylate resin which crosslinks via epoxy resin. These coating agents are used to coat automobile bodies in refinishing.
- EP-A-0 513 659 describes a priming process for
- Plastic substrates in which a coating agent is used based on hydroxy-functional polyacrylates obtained by reacting polyacrylates from (meth) acrylamides, hydroxyalkyl (meth) acrylates and olefinically unsaturated compounds with polyisocyanates), optionally further binders (polyester, polyurethane resins), organic solvents , Pigments and / or fillers, paint additives and a crosslinker, which are epoxy resins or polyisocyanates.
- the (meth) acrylamide monomers can contain tertiary amino groups. It can be used as a one-component (IK) or two-component (2K) material.
- the coatings have good adhesion and good low-temperature toughness.
- modified polypropylene-polyethylene plastic substrates These modified plastics are essentially characterized by a reduction in the elastomeric component, which is based on butadiene units, and, in some cases, an increase in the mineral content in order to achieve higher rigidity, higher flowability and a lower coefficient of thermal expansion.
- the coating of these new plastic materials with the conventional coating systems described does not achieve the quality of the coating of the previous plastics. In particular, the cold elasticity is not sufficient.
- the object of the invention is to enable a coating of plastics, especially polypropylene-polyethylene, in particular of modified polypropylene-polyethylene plastic parts, while avoiding the disadvantages described. For these plastic parts, in particular, good adhesion should be achieved with a high level of adhesion
- Flexibility can be achieved without affecting the hardness and scratch resistance of the coatings and the mechanical stability of the plastic parts.
- This object is achieved by a coating agent based on
- (Meth) acrylamides that have a tert. -Amino group or an amino group substituted by a tert-alkyl group, hydroxyalkyl (meth) acrylates and different copolymerizable olefinically unsaturated compounds, the copolymers having a number average molecular weight (Mn) of 1500 to 10000 and a glass transition temperature of -20 to +75 ° C, with polyisocyanates,
- (meth) acrylic used here means methacrylic and / or acrylic.
- the coating agent is in the form of a two-component (2K) system, one component containing the (meth) acrylic copolymers A) and optionally further binders and the other component containing the reaction products B) of the diglycidyl ethers with the fatty acids and optionally further binders. Both components can contain the additives, solvents and / or pigments / fillers in whole or in part.
- the invention also relates to a method for coating substrates, in which the coating agent according to the invention is used.
- the coating agent is applied to the substrate and then dried and crosslinked at room temperature or at elevated temperature.
- the crosslinking process which takes place via an anionic reaction mechanism, without being bound to any theory, the hardener component B) is incorporated into the
- Binder matrix built in Surprisingly, this results in a coating that is greatly improved in its elasticity. If necessary, further coating layers can be applied to the primer thus obtained, e.g. Filler, base and / or top coats. The application can also take place wet-on-wet, after which it is then cured together.
- copolymers used to prepare component A) are preferably built up from the following monomers:
- the polymerization preferably takes place as solution polymerization, for example at temperatures between 60 and 180 ° C., preferably at 80 ° to 140'c.
- the polymerization reaction can be carried out with known ones Polymerization initiators are started. Suitable initiators are, for example, per or azo compounds. Chain transfer devices can also be used. Suitable solvents are, for example, those which can also be used later in the finished coating medium and will be described later.
- the polymerization conditions (temperature, solvent concentration, metering of the monomers) are chosen so that the number average molecular weight (Mn) is between 1500 and 10000.
- the copolymers have a glass transition temperature of -20 ° C to + 75 ° C.
- 80 to 98% by weight of the copolymer obtained above are preferably modified with 2 to 20% by weight of one or more uncapped or optionally also capped isocyanate groups containing polyisocyanates which react with part of the OH groups of the copolymer.
- the procedure is such that the binder obtained has an OH number of 20 to 120, preferably 30 to 80.
- the acrylate resins obtained can subsequently be modified via the OH groups. It is also possible to react the OH groups of the monomers for modification, if necessary, before the polymerization.
- (meth) acrylic esters and (meth) acrylamides of component a) are in particular alkyl (meth) acrylates and alkyl (meth) acrylamides, with for example 1 to 18, e.g. 2 to 6 carbon atoms in the alkyl radical, the alkyl radical (preferably terminal) an N, N-disubstituted amino group, e.g.
- N, N-dialkylamino group having, for example, 1, 2, 3 or 4 "carbon atoms in the alkyl groups, which may be the same or different, or a tertiary alkylamino group, in which the tertiary alkyl radical has, for example, 4 to 6 carbon atoms and in particular is a t-butyl radical
- tertiary alkyl radical has, for example, 4 to 6 carbon atoms and in particular is a t-butyl radical
- the abovementioned monomers are (meth) acrylamide monomers containing tertiary amino groups and (meth) acrylate monomers based on (meth) acrylic acid and omega-tert.- Aminoalkylamines or omega-tertiary amino alcohols, for example N- (N, N-diethylaminopropyl) - (meth) acrylamide and N- (N, N-dimethylaminoneopentyl) - (meth) acrylamide, N, N-dimethylaminoethyl- (meth) acrylate, N, N-dimethylaminopropyl (meth) acrylate, in particular the corresponding methacrylamides or methacrylates.
- An example of a monomer containing the tert-alkylamino group is 2-tert-butylaminoethyl (meth) acrylate, in particular methacrylate.
- Comonomers of component b) which can be used for the copolymers of component A) are copolymerizable monomers different from the monomers of component a) and the hydroxylalkyl (meth) acrylates of component b), such as e.g. Vinyl aromatics, such as styrene, (meth) acrylic esters, such as methyl, ethyl, n-butyl, isobutyl or tert-butyl acrylates or methacrylates, vinyl esters, such as vinyl acetate, or alkyl esters of unsaturated polycarboxylic acids.
- Vinyl aromatics such as styrene
- acrylic esters such as methyl, ethyl, n-butyl, isobutyl or tert-butyl acrylates or methacrylates
- vinyl esters such as vinyl acetate, or alkyl esters of unsaturated polycarboxylic acids.
- Hydroxyalkyl (meth) acrylates of component b) are preferably those having an alkyl radical having 2 to 6 carbon atoms. Examples are hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate or 6-hydroxyhexyl (meth) acrylate. This
- Monomers can optionally be reacted on the OH group before the polymerization.
- compounds which have reactive epoxy groups or reactive isocyanate groups can be reacted with these 0H-functional monomers.
- polyisocyanates used for the construction of component A) are those which contain at least partially uncapped isocyanate groups which react with the OH groups of the copolymer. They can also contain blocked isocyanate groups.
- the usual CH-, NH- or OH-acidic compounds known from the literature can be used as capping agents.
- the reaction with the polyisocyanate is advantageously carried out in such a way that the equivalent ratio of the reactive hydroxyl groups of the copolymer to the partially blocked and uncapped isocyanate groups of the polyisocyanates behaves as 99: 1 to 70: 3, preferably 95: 5 to 85:15.
- Polyisocyanates which have only one free isocyanate group can preferably be used included per molecule. Reaction products of copolymers and polyisocyanates, for example as described in EP-A-0 260 456, can also be used.
- reaction products are used as hardener component B) which result from the reaction of aromatic diglycidyl ethers with dimerized fatty acids.
- the number ratio of the glycidyl groups of the diglycidyl ethers used to the carboxyl groups of the dimerized fatty acids is, for example, 1: 0.8 to 1: 0.2, preferably 1: 0.5 to 1: 0.3.
- aromatic diglycidyl ethers which can be used are bisphenol A-epichlorohydrin reaction products (epikote type) or reaction products of novolaks with epichlorohydrin, which are commercially available. Specific examples are: Epikote 828: aromatic diglycidyl ether with an epoxy equivalent weight of 182 to 198 g / mol (epoxy value 0.52 to 0.55) and a viscosity of 12 to 14 Pa.s at 25 ° C; Epicote 1001: aromatic diglycidyl ether with an epoxy equivalent weight of 470 to 500 g / mol (epoxy value 0.2 to 0.22), a melting point of 50 to 62 ° C and a viscosity (40% in butyl diglycol) of 130 to 160 mPa.s at 25 "C.
- aromatic diglycidyl ethers which can be used are those known from the literature, e.g. in Houben-Weyl, "Methods of Organic Chemistry", 4th edition, p. 462 ff. Bisphenol A diglycidyl ether can preferably be used.
- dimer fatty acids are the dimerization products of unsaturated, preferably linear, fatty acids known from the literature, for example those having 16 to 18 carbon atoms. They can be produced by polymerization (Diels-Alder reaction) of, for example, isolate fatty acids, which are linear. The pure dimeric fatty acids with a trimer content of less than 5% are preferred. Examples of dimerized fatty acids which can be used are used in the literature, for example in E. Gulinsky, "Vegetable and animal fats and oils", p. 82 ff. Preferred examples of dimer fatty acids which can be used are the commercial products from UNICHEMA Int., Which contain dimer fatty acids with a dimer content of at least 90%.
- PRIPOL 1009 dimer fatty acid with approx. 98% dimer, approx. 1% trimer and approx. 0.1% monomer fatty acid, acid number 191 - 198 mg KOH / g and a saponification number of 196-200 mg KOH / g.
- the reaction products of the diglycidyl ether and the dimer fatty acids which can be used according to the invention can be prepared by customary processes.
- the oxirane groups are preferably reacted with the carboxyl groups at temperatures from 80 ° to 180 ° C., particularly preferably at 130 * to 160 * C.
- reaction products can be incorporated into the coating compositions of the invention, for example after dilution with an organic solvent to a solids content of 60 to 80%, preferably 70 to 75%.
- binders described above (component A) and the reaction products (component B) up to 30% by weight of further binders (component C) can be added.
- component A film-forming resins different from component A
- additional binders it is possible to specifically influence properties in the film, for example to control the chemical stability, viscosity and flow properties.
- binders are described in DE-A-34 21 122 and EP-A-0 393 609. The amount of these binders can be, for example, up to 30% by weight, based on the solids content of the binder and crosslinker according to the invention.
- binders of component C) are linear or branched hydroxy- or carboxy-functional saturated polyesters or polyurethanes. If appropriate, they can also be OH-functional.
- the molecular weight (Mn) can be 500 to 5000, the acid number 5 to 30 and the OH number 40 to 160.
- the polyesters are produced by reacting di- or tricarboxylic acids with di- or polyols.
- the binders can be reacted with di- or polyisocyanates via reactive groups. The result is polymers containing urethane groups, which have somewhat lower functionalities and higher molecular weights.
- Polyurethane resins are formed, for example, by reacting polyethers with di- or polyisocyanates (eg DE-A-34 21 122, EP-A-0 393 609).
- Other known binders for example OH-functional polyesters or polyurethanes, can also be added.
- Known crosslinking agents such as melamine resins, urea resins or benzoguanamine resins can also be used, as described, for example, in EP-A-0 245 786. They serve to crosslink the additional binder components.
- the additional binder components e.g. Degree of branching, functionality or viscosity of the coating compositions of the invention can be influenced.
- the usual paint solvents are suitable as solvents.
- the viscosity can be influenced via the solvent power for the binder.
- the physical drying of the paint surface can be adjusted via the boiling point of the solvent. High-boiling solvents keep the paint film liquid for a long time and thus enable a good flow.
- solvent content should be as low as possible.
- solvents are ketones, alcohols, glycols, ethers, linear, branched, cyclic, aliphatic or aromatic hydrocarbons, esters or mixtures thereof.
- the pigments or fillers that can be used are pigments and fillers that are common in the coatings industry. These include, for example, colored or achromatic pigments on an organic or inorganic basis, for example titanium dioxide, carbon black, iron oxides, fillers on an organic or inorganic basis, for example talc, aluminum, silicate, organic crosslinked microparticles, corrosion protection pigments, transparent or highly disperse pigments, for example pyrogenic silica, Conductivity pigments or solid catalysts.
- the pigments are preferably dispersed and then ground so that the particle size is very small and a smooth surface of the coating film is made possible.
- additives customary in paint such as leveling agents, anti-foaming agents, anti-cratering agents, catalysts, wetting agents and adhesion promoters; these are preferably used in amounts of 0.1 to 15% by weight. These additives are known and can be selected depending on the properties to be influenced.
- the adhesion promoters that can also be used serve to ensure that the coating film adheres to the substrate.
- the adhesion promoters can be specially matched to the surface, so that the adhesion is significantly improved.
- adhesion promoters are chlorinated polyolefins (CPO).
- the amount used can be 0.1 to 15% by weight, preferably 0.5 to 7.5% by weight.
- the CPO are commercially available and are usually dissolved in the organic solvent. Examples of CPO are polyethylene or polypropylene polymers with a degree of chlorination of 10 to 40% by weight of chlorine.
- the solids content of the coating composition according to the invention is generally 20 to 70% by weight. It depends on the type of application and the viscosity required. The solid can be higher in the storage form and can only be adjusted with solvent before the coating agent is applied.
- the coating agents can be produced from the binders, the pigments and the additives by known processes.
- the binders form one component, for example, with parts of the additives, solvents and pigments / fillers, and the hardener, for example, also form the second component with parts of the additives, solvents and pigments / fillers.
- the two components are mixed in the desired mixing ratio, and the ready-to-apply lacquer is created.
- the drying and the crosslinking reaction can take place either at room temperature or at a higher temperature.
- the coating compositions according to the invention can be used, for example, for priming, as fillers and as coating compositions in the interior of automobiles.
- plastic substrates are suitable as substrates, for example resin-based, such as phenol-formaldehyde resins, polyurethane resins, polyurea resins, polyolefins, polyesters, PVC, polyamides, polycarbonates and the like.
- resin-based such as phenol-formaldehyde resins, polyurethane resins, polyurea resins, polyolefins, polyesters, PVC, polyamides, polycarbonates and the like.
- other surfaces e.g. Metal surfaces are coated.
- the substrates can be flexible, i.e. they can be deformable to a certain extent in the event of impact damage, either elastic or flowing.
- the preparation of the substrates for painting is carried out according to the usual methods. This includes, for example, removing burrs or imperfections by grinding, washing with solvents, oxidative pretreatment.
- the coating compositions according to the invention are applied in a customary manner (for example spraying, rolling, dipping) and are also determined by the geometry of the substrates.
- Newer application processes can also be used, such as unicarb processes (supercritical C0 2 ), HVLP processes (high-volume, low-pressure processes), Airles processes, ESTA processes (electrostatic).
- the viscosity of the coating agent is adjusted as required. After application and crosslinking, additional layers of coating films can be applied.
- the dry film layer thickness is generally 5 to 50 ⁇ m (depending on the application), 10 to 25 ⁇ m are preferred.
- the drying or crosslinking conditions vary widely between 15 ° and 120 ° C. Temperatures of 20 ° to 80 ° C are particularly suitable. If different plastic substrates are different Having heat resistance, the choice of coating agent can be made depending on the drying or crosslinking temperatures to be used.
- Plastic parts have good heat resistance. They can be used in the automotive industry and also for other purposes. Since the coating agents can be dried or crosslinked at different temperatures, it is possible to match this temperature to the respective substrate. This ensures the dimensional accuracy and structure of the plastic substrates.
- an initiator solution of xylene (27 T) and 2,2'-azobis (2-methylbutyronitrile) (1.2 T) is added at 100 ° C. within 70 minutes
- the dropping funnels are rinsed with xylene (93 T) and the batch is then polymerized for 3 hours, after which the conversion is approximately 98% (Meth) acrylic copolymer diluted with xylene (146.7 T) and cooled to 60 ° C.
- 33.8 parts of a partially capped polyisocyanate which was prepared by reacting 564 parts of the trimers of hexamethylene diisocyanate with 196 parts of caprolactam in a mixture of 150 parts of xylene and 90 parts of methoxypropyl acetate, are added.
- the partially capped polyisocyanate is reacted with the (meth) acrylic copolymer containing hydroxyl groups at 60 ° C. After a reaction time of 2 hours, the binder obtained is practically NCO-free.
- the mixture is then diluted to a solids content of 45% with xylene (20 parts).
- the paints of Examples 5, 6 above and Comparative Experiments 1 and 2 were modified to mod. Applied polypropylene sheets of 10 x 15 cm with a thickness of 4 mm. The panels were washed beforehand with a solution of deionized water and 50% isopropanol and dried at 25 ° C. for 10 minutes. The polypropylene sheets for paint example 6 and for Comparative experiment 2 was then flamed. The primer according to the invention was applied by spraying, and after 5 minutes of flashing off, the mixture was dried at 80 ° C. for 20 minutes. The layer thicknesses achieved ranged from 20 ⁇ m to 25 ⁇ m.
- top coat layer thickness was 35 ⁇ m.
- the plates obtained were subjected to a puncture test in accordance with DIN 53 443 at -25 ° C, the total work input (Wges) being evaluated as a criterion.
- the results obtained are shown in the following table, which shows the excellent cold impact strength of the substrates coated according to the invention.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96943124A EP0868459A1 (de) | 1995-12-20 | 1996-12-14 | Überzugsmittel und verfahren zur beschichtung insbesondere von kunststoffsubstraten |
JP9522497A JP2000502376A (ja) | 1995-12-20 | 1996-12-14 | 特にプラスチック基材をコートするためのコーティング媒体およびコーティング方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19547623A DE19547623C1 (de) | 1995-12-20 | 1995-12-20 | Überzugsmittel auf Lösemittelbasis und deren Verwendung |
DE19547623.9 | 1995-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997022644A1 true WO1997022644A1 (de) | 1997-06-26 |
Family
ID=7780684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/005625 WO1997022644A1 (de) | 1995-12-20 | 1996-12-14 | Überzugsmittel und verfahren zur beschichtung insbesondere von kunststoffsubstraten |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0868459A1 (de) |
JP (1) | JP2000502376A (de) |
CA (1) | CA2240670A1 (de) |
DE (1) | DE19547623C1 (de) |
WO (1) | WO1997022644A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5723465B2 (ja) * | 2014-03-26 | 2015-05-27 | オリジン電気株式会社 | 樹脂組成物及び塗膜 |
DE102014112509B4 (de) * | 2014-08-29 | 2020-12-17 | Dyemansion Gmbh | Verwendung eines Imprägniermittels zum Imprägnieren von in einem 3D-Druckverfahren hergestellten Formteilen |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5650971A (en) * | 1979-10-01 | 1981-05-08 | Toray Ind Inc | Coating composition |
EP0260456A2 (de) * | 1986-08-19 | 1988-03-23 | Herberts Gesellschaft mit beschränkter Haftung | Pigmentdispersion und deren Verwendung |
WO1991000895A1 (de) * | 1989-07-07 | 1991-01-24 | Basf Lacke + Farben Aktiengesellschaft | Verfahren zur herstellung einer mehrschichtigen lackierung und basislack zur herstellung der basisschicht einer mehrschichtigen lackierung |
EP0513659A1 (de) * | 1991-05-13 | 1992-11-19 | Herberts Gesellschaft mit beschränkter Haftung | Verfahren zur Grundierung von Kunststoffsubstraten, Uberzugsmittel hierzu und dessen Verwendung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6030348B2 (ja) * | 1978-06-15 | 1985-07-16 | 東レ株式会社 | 塗料用組成物 |
-
1995
- 1995-12-20 DE DE19547623A patent/DE19547623C1/de not_active Expired - Fee Related
-
1996
- 1996-12-14 JP JP9522497A patent/JP2000502376A/ja active Pending
- 1996-12-14 WO PCT/EP1996/005625 patent/WO1997022644A1/de not_active Application Discontinuation
- 1996-12-14 EP EP96943124A patent/EP0868459A1/de not_active Withdrawn
- 1996-12-14 CA CA002240670A patent/CA2240670A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5650971A (en) * | 1979-10-01 | 1981-05-08 | Toray Ind Inc | Coating composition |
EP0260456A2 (de) * | 1986-08-19 | 1988-03-23 | Herberts Gesellschaft mit beschränkter Haftung | Pigmentdispersion und deren Verwendung |
WO1991000895A1 (de) * | 1989-07-07 | 1991-01-24 | Basf Lacke + Farben Aktiengesellschaft | Verfahren zur herstellung einer mehrschichtigen lackierung und basislack zur herstellung der basisschicht einer mehrschichtigen lackierung |
EP0513659A1 (de) * | 1991-05-13 | 1992-11-19 | Herberts Gesellschaft mit beschränkter Haftung | Verfahren zur Grundierung von Kunststoffsubstraten, Uberzugsmittel hierzu und dessen Verwendung |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 005, no. 111 (C - 063) 18 July 1981 (1981-07-18) * |
Also Published As
Publication number | Publication date |
---|---|
EP0868459A1 (de) | 1998-10-07 |
DE19547623C1 (de) | 1997-06-12 |
CA2240670A1 (en) | 1997-06-26 |
JP2000502376A (ja) | 2000-02-29 |
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