EP1856218A1 - Abziehbare schutzfilme - Google Patents
Abziehbare schutzfilmeInfo
- Publication number
- EP1856218A1 EP1856218A1 EP06708515A EP06708515A EP1856218A1 EP 1856218 A1 EP1856218 A1 EP 1856218A1 EP 06708515 A EP06708515 A EP 06708515A EP 06708515 A EP06708515 A EP 06708515A EP 1856218 A1 EP1856218 A1 EP 1856218A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oxygen
- weight
- polymer
- protective film
- ethene
- 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- Withdrawn
Links
- 229920000642 polymer Polymers 0.000 claims abstract description 51
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 47
- 239000001301 oxygen Substances 0.000 claims abstract description 47
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 51
- 238000009472 formulation Methods 0.000 claims description 44
- 239000000178 monomer Substances 0.000 claims description 32
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 14
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 11
- 239000013011 aqueous formulation Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N 1-Heptene Chemical compound CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004435 Oxo alcohol Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- LHENQXAPVKABON-UHFFFAOYSA-N 1-methoxypropan-1-ol Chemical compound CCC(O)OC LHENQXAPVKABON-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 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
- 238000004458 analytical method Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- PVEOYINWKBTPIZ-UHFFFAOYSA-N but-3-enoic acid Chemical compound OC(=O)CC=C PVEOYINWKBTPIZ-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000007942 carboxylates Chemical group 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002169 ethanolamines Chemical class 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000002563 ionic surfactant Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0869—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acid; with unsaturated esters, e.g. [meth]acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0869—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acid; with unsaturated esters, e.g. [meth]acrylic acid esters
- C08L23/0884—Epoxide-containing esters
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/20—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for coatings strippable as coherent films, e.g. temporary coatings strippable as coherent films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
Definitions
- the invention relates to peelable polymeric protective films on surfaces, in particular on metallic surfaces, which have an oxygen gradient and a method for producing such protective films.
- the films are particularly suitable for the temporary protection of surfaces.
- Abziehfilme are known in principle.
- the term "peel-off film” is used for polymer films that can be removed by hand as a whole or in large pieces from surfaces, and in particular, dispenses with the use of scrapers and other devices that could injure the surface To protect surfaces temporarily, for example during transport or storage, from environmental influences
- the subsequent stripping is used to restore a visually high-quality surface
- the stripping film also serves to maintain a certain chemical composition of the oxidic surface layers, so that after removal of the Films can be further processed by painting and other coating methods without further pretreatment steps
- Abziehfilme can be drawn in the already finished state on substrates, or only by filming from a liquid coating agent on the substrate be generated.
- US 4,693,909 discloses a protective film for metallic surfaces which comprises an ethylene-acrylic acid copolymer having an ethylene content of 75 to 92% by weight.
- the carboxyl groups are neutralized to 50 to 100 mol%.
- the film can be applied by spraying an aqueous formulation. He is not removable, but is removed with hot water.
- WO 98/10023 discloses the use of aqueous polymer dispersions for the corrosion protection of metallic surfaces.
- the dispersions comprise a polymer of olefins, a monomer having acidic functional groups and optionally further monomers, and furthermore a corrosion inhibitor and / or a colorant dissolved therein and optionally a UV stabilizer.
- the polymer preferably comprises from 50 to 98% by weight of olefins.
- US 5,010,131 discloses aqueous formulation for applying thermally removable coatings in spray booths.
- the formulation comprises, in addition to water, 10 to 40% by weight of pigment, 5 to 15% by weight of a vinyl acetate copolymer, polyvinyl alcohol, Additives and a foaming agent of citric acid and NaHCO 3 .
- the coating can be removed with hot water.
- No. 5,604,282 discloses a peelable film comprising polyvinyl alcohol, a polyalkyl acrylate and other additives and auxiliaries.
- US 6,360,801 discloses an apparatus for applying self-adhesive films to automobile bodies.
- US 6,555,615 discloses a composition for the manufacture of peelable coatings comprising a film-forming polymer having a glass transition temperature of 0 to 4O 0 C and an amphoteric compound having an isoelectric point at pH 3 to pH. 8
- the amphoteric compound may be, for example, aminocarboxylic acids.
- US Pat. No. 6,811,807 discloses a method for applying a peelable film to a surface, for example a car body, in which different parts of the surface are sprayed with different curable compositions. The writing makes no statements about the nature of the coating.
- the object of the invention was to provide an improved release film which can be prepared by application from an aqueous formulations and which is easily removable from metallic and non-metallic surfaces without the aid of water or solvents.
- the release film should continue to give good corrosion protection on metal surfaces.
- peelable protective films which comprise at least 70% by weight of polymers based on the total amount of all components of the layer, the polymers being at least two different polymers each having at least 65% by weight. -% ethene, and wherein the protective film further comprises carbon-bonded oxygen, provided that the oxygen content of the protective film increases with increasing distance from the surface.
- a process has been found for applying peelable protective films to a surface by sequentially treating the surface with n aqueous formulations Fj, where n is a natural number> 2 and i is a natural number from 1 to n , and each of the n formulations Fj at least one polymer each comprising at least 65% by weight of ethene and carbon-bonded oxygen, which oxygen may be attached either to the polymer or to additional components of the formulation, with the proviso that the content of carbon-bonded oxygen in the formulations F 1 increases with increasing index i.
- the peelable film of the present invention is mounted on a surface.
- the shape and the material of the surface are not important here. In particular, however, it may be the surface of plate-shaped, curved or irregularly shaped moldings or workpieces.
- the material may be, for example, the surfaces of plastics, metals or glass. It can also be painted surfaces.
- it may be metallic surfaces, for example, the surface of iron, steel, zinc, galvanized steel or aluminum, for example in the form of sheets, films or tapes or processed metals such as molded or punched car bodies, body panels, facade components or domestic appliance panels , Of course, these can also be composites of different materials.
- a window is mentioned in which both the frame and the pane are protected by the peel-off film according to the invention.
- the stripping film according to the invention comprises at least 70% by weight of polymers, based on the total amount of all components of the layer.
- the proportion of the polymers is preferably at least 80% by weight, particularly preferably at least 90% by weight and very particularly preferably at least 95% by weight.
- the film can also consist exclusively of polymers.
- the stripping film comprises oxygen chemically bonded to carbon, ie, physically dissolved elemental oxygen (O 2 ) and oxygen bound to other species is not considered.
- oxygen is attached to carbon atoms of the polymer contained in the stripping film. But it can also be bound to carbonaceous adjuvants such as surfactants. Of course, both can be the case.
- substantially is intended to mean that at least 75% by weight of the total carbon-bonded oxygen in the stripping film is in this form, preferably at least 85% by weight, more preferably at least 90% by weight, and most preferably at least 95% wt .-%.
- the oxygen content of the release film increases with increasing distance from the surface.
- the increase in the oxygen content can be carried out continuously or batchwise.
- the oxygen content of the release film may be -ggf. after removal of the polymer film from the surface, by known surface analytical methods, such as ESCA measurements or grazing incidence IR spectroscopy. Depth profiles can be created here in a likewise known manner, for example by sputtering. Local concentration fluctuations are not taken into account, but the oxygen content is determined in a manner known in principle as an integral over a representative surface element of the film.
- the oxygen content of the surface of the protective film facing the surface is less than 6 wt .-% and the surface facing away from the surface more than 6 wt .-% oxygen.
- the polymers are at least two different polymers. They are preferably polymers with different content of carbon-bonded oxygen.
- An oxygen gradient is in particular due to the fact that the polymers are not distributed uniformly in the layer, but that the oxygen-poor polymer is enriched at the bottom of the layer and the oxygen-rich at the top of the layer.
- the polymers used in each case comprise at least 65% by weight of ethene units. You may also have further, with ethene copolymerizable monomers.
- Oxygen-containing polymers can be obtained by using monomers for production which have carbon-oxygen bonds, for example (meth) acrylic acid or acrylates.
- oxygen-containing polymers can also be contained by oxidizing at least 65% by weight of ethene-comprising polyolefins, for example polyethylene or polyethylene copolymers, in a manner known in principle.
- the amounts are in each case based on the total amount of all components of the copolymer.
- the monomers (B) are ethylenically unsaturated monomers which are copolymerizable with ethene and the optionally present monomers (C). Preferably, these are monoethylenically unsaturated monomers, but optionally also small amounts of monomers with several ethylenically unsaturated groups may be present.
- the monomers (B) may be, for example, (meth) acrylic esters or vinyl acetate. The vinyl acetate can also be completely or partially hydrolyzed to vinyl alcohol units after the polymerization.
- the monomers (B) are carboxyl-containing monomers or their salts.
- 0.5 to 50 mol% of the acid groups present in the polymer are neutralized.
- monomers include acrylic acid, methacrylic acid, crotonic acid, vinylacetic acid, maleic acid, fumaric acid, itaconic acid, maleic anhydride or C 1 to C 4 monoesters of monoethylenically unsaturated dicarboxylic acids.
- monomers (B) can be used. Particular preference is given to acrylic acid and / or methacrylic acid.
- the monomers (C) are monomers other than (A) and (B) but copolymerizable with (A) and (B). Of course, several different monomers (C) can be used.
- the monomers (C) may on the one hand be other olefins. Examples of olefins include propene, 1-butene, 2-butene, 1-pentene, 1-hexene, 1-heptene or 1-octene. Furthermore, it may be acidic monomers, but having no carbon-oxygen bonds. Examples include vinylsulfonic acid, allylsulfonic acid or vinylphosphonic acid.
- n aqueous formulations Fi
- i a running index from 1 to n, which represents the sequence of the treatment steps.
- the formulation F 1 is therefore used in the first step, the formulation F 2 in the second step and the formulation F n in the n th step.
- At least two treatment steps are carried out, ie, n is a natural number> 2.
- n is 2 to 5, preferably 2 or 3 and particularly preferably 2.
- the formulations are aqueous formulations.
- the formulations may also comprise small amounts of water-miscible organic solvents. But it is at least 50 wt .-%, preferably at least 70 wt .-% and more preferably at least 85% by weight of water with respect to the amount of all solvents present.
- water-miscible solvents include monoalcohols such as methanol, ethanol or propanol, higher alcohols such as ethylene glycol or polyether polyols, and ether alcohols such as butyl glycol or methoxypropanol.
- Each of n formulations F comprises at least one of the above-mentioned polymers each having at least 65% by weight of ethene units.
- the formulations may also each comprise different units.
- Each formulation further comprises carbon-bonded oxygen, which oxygen may be attached either to the polymer or to additional components of the formulation.
- oxygen may be attached either to the polymer or to additional components of the formulation.
- surfactants which comprise carbon-oxygen bonds or cations which can be used to neutralize carboxylate groups. Examples of such cations include mono-, di- or triethanolammonium ions which are obtained by neutralizing COOH functions with mono-, di- or triethanolamine, preferably the oxygen is bound to the polymers.
- composition of the formulations Fj is further governed by the proviso that the content of carbon bonded to oxygen in the formulations F n increases with increasing index n, this information being based on the sum of all solid constituents of the formulation.
- the surface is treated first with the oxygen-poorest formulation and finally with the oxygen-rich formulation.
- a polymer is used in the first treatment stage with the formulation F 1 , which
- a polymer is used in the last treatment stage with the formulation F n , which
- the formulations may also comprise auxiliaries or additives in addition to the polymers.
- auxiliaries include flow control agents, corrosion inhibitors, pigments, release agents, solvents, surfactants, emulsifiers, amines, alkali metal hydroxides or sodium disulfite.
- the pigments can be used, for example, for coloring or for other purposes. They can be metallic and non-metallic in nature.
- the corrosion inhibitors may also include volatile corrosion inhibitors; These are inhibitors that can enter the gas phase and thus also have an effect on uncoated parts, eg. B. in cavities.
- the formulations of the polymers may preferably be prepared by emulsifying the copolymer in hot water.
- the emulsification process may include steps under pressure to achieve temperatures of 100-200 0 C.
- Alkalis, hydroxides and surfactants can be used as aids to facilitate the emulsification process.
- Preferred amines are ethanolamines
- preferred surfactants are fatty and oxo alcohol alkoxylates, in particular alkoxylates based on ethene oxide and optionally propene oxide.
- other nonionic and ionic surfactants are also suitable.
- the concentration of the formulations will be determined by those skilled in the art depending on the desired coating conditions and the desired properties of the release film. Have proven useful concentrations of 0.1 to 50 wt .-% solids with respect to the sum of all components of the formulation.
- the solids content is preferably from 0.25 to 40% by weight, more preferably from 0.5 to 30% by weight and most preferably from 1 to 25% by weight.
- the concentration of solids in the formulations used increases with increasing index i.
- the treatment with the formulations for application of the release film can be carried out by immersing the article to be coated in formulations and preferably allowing it to drain.
- the formulations may also be applied by spraying, brushing or the like.
- the solvents can be removed by evaporation at room temperature or at elevated temperatures, in particular temperatures of 30 to 100 ° C. This can be dried after each of the n treatment steps.
- the layers can also be wet-on-wet. Naturally, a certain mixing of the layers occurs while If the layers are completely dry, mix the individual layers only slightly. Of course, intermediate forms are possible. For example, the individual layers can first be predried only under mild conditions, and then the entire peel-off film can be further dried at higher temperatures.
- the release film is prepared from two formulations which are applied successively. Particularly preferred for this purpose are the abovementioned preferred formulations F 1 and F n .
- the drying can be carried out at about 70 to 90 0 C, respectively.
- the thickness of the peelable protective film is selected by the person skilled in the art according to the desired properties.
- a thickness of 1 to 200 .mu.m, preferably 1 to 100 .mu.m, particularly preferably 2 to 50 .mu.m and very particularly preferably 20 to 50 .mu.m has proven particularly useful.
- a steel sheet S235JR (DIN EN ISO 10025) is dipped at 2O 0 C in a formulation 1 (3.5 percent solution of a polymer 1 (94 wt.% Ethene, 3 wt.% Acrylic acid, 3 wt.% Methacrylic acid) in water) and 1 h dried at 80 0 C.
- the steel sheet is dipped in a formulation 2 (20 percent solution of a polymer 2 (74 wt.% Ethene, 26 wt.% Methacrylic acid, partially neutralized) in water) and dried at 80 ° C for 1 h.
- a formulation 2 (20 percent solution of a polymer 2 (74 wt.% Ethene, 26 wt.% Methacrylic acid, partially neutralized) in water) and dried at 80 ° C for 1 h.
- the film thus produced can be peeled off by hand in one piece and provides a corrosion protection of> 50 h in the salt spray test to DIN 50021.
- the formulations of the polyethylene oxide described in the examples were prepared by emulsifying 28% by weight of a polyethylene oxide of the acid number 22 mg KOH / g and 7% by weight of surfactant (C 10 -oxoalcohol ethoxylate from 1 mol of alcohol and 7 mol of ethenoxide) and 0.6 wt.% potassium hydroxide in water at 150 0 C (stirred autoclave) and then diluting prepared.
- the solid polyethylene oxide of acid number 22 contains 1, 3 wt .-% oxygen.
- the undiluted surfactant contains 11% by weight of oxygen
- concentration values given in the table include all non-aqueous constituents of the formulation, ie, if appropriate, also excipients such as surfactants.
Landscapes
- 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)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005009165A DE102005009165A1 (de) | 2005-02-25 | 2005-02-25 | Abziehbare Schutzfilme |
PCT/EP2006/060274 WO2006089955A1 (de) | 2005-02-25 | 2006-02-24 | Abziehbare schutzfilme |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1856218A1 true EP1856218A1 (de) | 2007-11-21 |
Family
ID=36327211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06708515A Withdrawn EP1856218A1 (de) | 2005-02-25 | 2006-02-24 | Abziehbare schutzfilme |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080152820A1 (de) |
EP (1) | EP1856218A1 (de) |
JP (1) | JP2008535939A (de) |
DE (1) | DE102005009165A1 (de) |
WO (1) | WO2006089955A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2283092A1 (de) * | 2008-05-14 | 2011-02-16 | Basf Se | Verfahren zur beschichtung von behältern aus glas, polyethylen oder polyester und dafür geeignete wässrige formulierungen |
KR20150033662A (ko) | 2012-06-25 | 2015-04-01 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 윤곽화된 표면을 코팅하기 위한 장치 |
US20190255565A1 (en) * | 2016-11-23 | 2019-08-22 | Berndorf Band Gmbh | Metal strip with transportation protection |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1260486A (en) * | 1968-05-20 | 1972-01-19 | Grace W R & Co | Improvements relating to protective coatings |
GB1361506A (en) * | 1972-10-26 | 1974-07-24 | Ici Ltd | Blends of ethylene copolymers useful as strippable coatings |
DE3512564A1 (de) * | 1985-04-06 | 1986-10-16 | Basf Ag, 6700 Ludwigshafen | Waessrige wachsdispersionen als konservierungsmittel fuer metall- und lackoberflaechen, ihre verwendung und ein verfahren zum temporaeren konservieren von metall- und lackoberflaechen |
EP0243498B1 (de) * | 1985-10-26 | 1992-03-04 | MITSUI TOATSU CHEMICALS, Inc. | Abziehbare beschichtungsfolie und diese verwendendes beschichtungsverfahren |
US5169728A (en) * | 1989-06-26 | 1992-12-08 | The Dow Chemical Company | Multilayered film |
US5010131A (en) * | 1989-10-20 | 1991-04-23 | Texo Corporation | Barrier coating |
FR2664283B1 (fr) * | 1990-07-05 | 1994-04-15 | Norsolor | Composition thermoplastique comprenant un copolymere a base d'ethylene et d'anhydride maleique, et articles industriels obtenus a partir d'une telle composition. |
WO1996013547A1 (en) * | 1994-10-27 | 1996-05-09 | Cal-West Equipment Company, Inc. | Polymeric peel-off coating compositions and methods of use thereof |
US5604282A (en) * | 1994-12-06 | 1997-02-18 | Groco Specialty Coatings Company | Strippable film coating composition |
DE19652728A1 (de) * | 1995-12-23 | 1997-06-26 | Volkswagen Ag | Verfahren zum Aufbringen eines Oberflächenschutzes auf ein Kraftfahrzeug |
EP0838398B1 (de) * | 1996-10-17 | 2000-01-26 | DaimlerChrysler AG | Verfahren und Vorrichtung zum Applizieren von selbsthaftender Schutzfolie auf Karosserien |
DE19936790A1 (de) * | 1999-08-10 | 2001-02-15 | Nordson Corp Westlake | Verfahren und Vorrichtung zum Herstellen einer abziehbaren Schutzschicht für Oberflächen, insbesondere für lackierte Oberflächen von Kraftfahrzeugkarosserien |
AU775470B2 (en) * | 2000-03-03 | 2004-08-05 | Rohm And Haas Company | Removable coating composition and preparative method |
-
2005
- 2005-02-25 DE DE102005009165A patent/DE102005009165A1/de not_active Withdrawn
-
2006
- 2006-02-24 JP JP2007556620A patent/JP2008535939A/ja not_active Withdrawn
- 2006-02-24 WO PCT/EP2006/060274 patent/WO2006089955A1/de active Application Filing
- 2006-02-24 US US11/816,790 patent/US20080152820A1/en not_active Abandoned
- 2006-02-24 EP EP06708515A patent/EP1856218A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2006089955A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2008535939A (ja) | 2008-09-04 |
DE102005009165A1 (de) | 2006-08-31 |
US20080152820A1 (en) | 2008-06-26 |
WO2006089955A1 (de) | 2006-08-31 |
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