SCRATCH RESISTANT ONE-PACK COATING MATERIAL
The present invention relates to a one-pack coating material, comprising a) at least one hydroxy-functional polymer (A) selected from the group consisting of (meth)acrylic polymers, polyesters and polyurethanes; b) at least one crosslinking agent (B) of general formula (I) being [R-(C=O)NH]zRorg whe...
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| creator | WINSBERG, Jan WENKING, Ulrike WEIHER, Christian KLEIN, Guenter HOMANN, Karin AUSTRUP, Berthold |
| description | The present invention relates to a one-pack coating material, comprising a) at least one hydroxy-functional polymer (A) selected from the group consisting of (meth)acrylic polymers, polyesters and polyurethanes; b) at least one crosslinking agent (B) of general formula (I) being [R-(C=O)NH]zRorg wherein Rorg is an organic residue and z = 2 to 9 and R is selected from the group consisting of alkoxysilane groups containing groups of formulae (II) and (III) and isocyanate blocking groups, formula (II) being N[R1SiR3m(OR5)3-m][R2SiR4n(OR6)3-n] wherein R1 and R2 are independently from each other selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R3 and R4 are independently from each other selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R5 and R6 are independently selected from alkyl residues containing 2, 3 or 4 carbon atoms, and n and m are independently of each other 0, 1 or 2; and formula (III) being NR10[R7SiR8x(OR9)3-x] wherein R7 is selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R8 is selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R9 is selected from alkyl residues containing 2, 3 or 4 carbon atoms, R10 is selected from H and linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms and x being 0, 1 or 2; and isocyanate blocking groups Rb being formally derived from isocyanate blocking agents of formula H-Rb by formal removal of H at the atom of residue Rb, which is bound to the carbon of the C=O group in formula (I); with the proviso that on average at least 15 mole-% of the entirety of residues R in formula (I) are residues of formula (II), and c) an aprotic organic solvent, wherein 2.0 to 30 wt.- % of the at least one crosslinking agent (B) are contained in the one-pack coating material, based on the total weight of the one-pack coating material. The invention further relates to a method for forming a coating on a substrate making use of the one-pack coating material, a thus coated substrate, a multilayer coating comprising a coating layer formed from the claimed coating material and a thus coated substrate.
La présente invention concerne un matériau de revêtement monocomposant, comprenant a) au moins un polymère à fonctionnalité hydroxy (A) choisi dans le groupe constitué par des polymères (méth)acryliques, des polyesters et des polyuréthanes ; b) au moins un agent de réticulation (B) de formul |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_WO2024100307A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>WO2024100307A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_WO2024100307A13</originalsourceid><addsrcrecordid>eNrjZNAOdg5yDHH2UAhyDfYMDnH0C1Hw93PVDXB09lZw9ncM8fRzV_B1DHEN8nT04WFgTUvMKU7lhdLcDMpurkC9uqkF-fGpxQWJyal5qSXx4f5GBkYmhgYGxgbmjobGxKkCAAGpJa8</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>SCRATCH RESISTANT ONE-PACK COATING MATERIAL</title><source>esp@cenet</source><creator>WINSBERG, Jan ; WENKING, Ulrike ; WEIHER, Christian ; KLEIN, Guenter ; HOMANN, Karin ; AUSTRUP, Berthold</creator><creatorcontrib>WINSBERG, Jan ; WENKING, Ulrike ; WEIHER, Christian ; KLEIN, Guenter ; HOMANN, Karin ; AUSTRUP, Berthold</creatorcontrib><description>The present invention relates to a one-pack coating material, comprising a) at least one hydroxy-functional polymer (A) selected from the group consisting of (meth)acrylic polymers, polyesters and polyurethanes; b) at least one crosslinking agent (B) of general formula (I) being [R-(C=O)NH]zRorg wherein Rorg is an organic residue and z = 2 to 9 and R is selected from the group consisting of alkoxysilane groups containing groups of formulae (II) and (III) and isocyanate blocking groups, formula (II) being N[R1SiR3m(OR5)3-m][R2SiR4n(OR6)3-n] wherein R1 and R2 are independently from each other selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R3 and R4 are independently from each other selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R5 and R6 are independently selected from alkyl residues containing 2, 3 or 4 carbon atoms, and n and m are independently of each other 0, 1 or 2; and formula (III) being NR10[R7SiR8x(OR9)3-x] wherein R7 is selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R8 is selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R9 is selected from alkyl residues containing 2, 3 or 4 carbon atoms, R10 is selected from H and linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms and x being 0, 1 or 2; and isocyanate blocking groups Rb being formally derived from isocyanate blocking agents of formula H-Rb by formal removal of H at the atom of residue Rb, which is bound to the carbon of the C=O group in formula (I); with the proviso that on average at least 15 mole-% of the entirety of residues R in formula (I) are residues of formula (II), and c) an aprotic organic solvent, wherein 2.0 to 30 wt.- % of the at least one crosslinking agent (B) are contained in the one-pack coating material, based on the total weight of the one-pack coating material. The invention further relates to a method for forming a coating on a substrate making use of the one-pack coating material, a thus coated substrate, a multilayer coating comprising a coating layer formed from the claimed coating material and a thus coated substrate.
La présente invention concerne un matériau de revêtement monocomposant, comprenant a) au moins un polymère à fonctionnalité hydroxy (A) choisi dans le groupe constitué par des polymères (méth)acryliques, des polyesters et des polyuréthanes ; b) au moins un agent de réticulation (B) de formule générale (I) étant [R-(C=O)NH]zRorg dans laquelle Rorg est un résidu organique et z = 2 à 9 et R est choisi dans le groupe constitué par des groupes alcoxysilane contenant des groupes de formules (II) et (III) et des groupes de blocage d'isocyanate, la formule (II) étant N[R1SiR3m(OR5)3-m][R2SiR4n(OR6)3-n] dans laquelle R1 et R2 sont indépendamment l'un de l'autre choisis parmi des groupes alkylène linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R3 et R4 sont indépendamment l'un de l'autre choisis parmi des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R5 et R6 sont indépendamment choisis parmi des résidus alkyle contenant 2, 3 ou 4 atomes de carbone, et n et m sont indépendamment l'un de l'autre 0, 1 ou 2 ; et la formule (III) étant NR10[R7SiR8x(OR9)3-x] dans laquelle R7 est choisi parmi des groupes alkylène linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R8 est choisi parmi des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R9 est choisi parmi des résidus alkyle contenant 2, 3 ou 4 atomes de carbone, R10 est choisi parmi H et des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone et x étant 0, 1 ou 2 ; et des groupes de blocage d'isocyanate Rb étant dérivés formellement à partir d'agents de blocage d'isocyanate de formule H-Rb par élimination formelle de H au niveau de l'atome de résidu Rb, qui est lié au carbone du groupe C = O dans la formule (I) ; à condition que en moyenne au moins 15 % en moles de la totalité des résidus R dans la formule (I) soient des résidus de formule (II), et c) un solvant organique aprotique, de 2,0 à 30 % en poids du ou des agents de réticulation (B) étant contenus dans le matériau de revêtement monocomposant, sur la base du poids total du matériau de revêtement monocomposant. L'invention concerne en outre un procédé de formation d'un revêtement sur un substrat en utilisant le matériau de revêtement monocomposant, un substrat ainsi revêtu, un revêtement multicouche comprenant une couche de revêtement formée à partir du matériau de revêtement revendiqué et un substrat ainsi revêtu.</description><language>eng ; fre</language><subject>ADHESIVES ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; COMPOSITIONS BASED THEREON ; CORRECTING FLUIDS ; DYES ; FILLING PASTES ; INKS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAINTS ; PASTES OR SOLIDS FOR COLOURING OR PRINTING ; POLISHES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; USE OF MATERIALS THEREFOR ; WOODSTAINS</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240516&DB=EPODOC&CC=WO&NR=2024100307A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240516&DB=EPODOC&CC=WO&NR=2024100307A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WINSBERG, Jan</creatorcontrib><creatorcontrib>WENKING, Ulrike</creatorcontrib><creatorcontrib>WEIHER, Christian</creatorcontrib><creatorcontrib>KLEIN, Guenter</creatorcontrib><creatorcontrib>HOMANN, Karin</creatorcontrib><creatorcontrib>AUSTRUP, Berthold</creatorcontrib><title>SCRATCH RESISTANT ONE-PACK COATING MATERIAL</title><description>The present invention relates to a one-pack coating material, comprising a) at least one hydroxy-functional polymer (A) selected from the group consisting of (meth)acrylic polymers, polyesters and polyurethanes; b) at least one crosslinking agent (B) of general formula (I) being [R-(C=O)NH]zRorg wherein Rorg is an organic residue and z = 2 to 9 and R is selected from the group consisting of alkoxysilane groups containing groups of formulae (II) and (III) and isocyanate blocking groups, formula (II) being N[R1SiR3m(OR5)3-m][R2SiR4n(OR6)3-n] wherein R1 and R2 are independently from each other selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R3 and R4 are independently from each other selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R5 and R6 are independently selected from alkyl residues containing 2, 3 or 4 carbon atoms, and n and m are independently of each other 0, 1 or 2; and formula (III) being NR10[R7SiR8x(OR9)3-x] wherein R7 is selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R8 is selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R9 is selected from alkyl residues containing 2, 3 or 4 carbon atoms, R10 is selected from H and linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms and x being 0, 1 or 2; and isocyanate blocking groups Rb being formally derived from isocyanate blocking agents of formula H-Rb by formal removal of H at the atom of residue Rb, which is bound to the carbon of the C=O group in formula (I); with the proviso that on average at least 15 mole-% of the entirety of residues R in formula (I) are residues of formula (II), and c) an aprotic organic solvent, wherein 2.0 to 30 wt.- % of the at least one crosslinking agent (B) are contained in the one-pack coating material, based on the total weight of the one-pack coating material. The invention further relates to a method for forming a coating on a substrate making use of the one-pack coating material, a thus coated substrate, a multilayer coating comprising a coating layer formed from the claimed coating material and a thus coated substrate.
La présente invention concerne un matériau de revêtement monocomposant, comprenant a) au moins un polymère à fonctionnalité hydroxy (A) choisi dans le groupe constitué par des polymères (méth)acryliques, des polyesters et des polyuréthanes ; b) au moins un agent de réticulation (B) de formule générale (I) étant [R-(C=O)NH]zRorg dans laquelle Rorg est un résidu organique et z = 2 à 9 et R est choisi dans le groupe constitué par des groupes alcoxysilane contenant des groupes de formules (II) et (III) et des groupes de blocage d'isocyanate, la formule (II) étant N[R1SiR3m(OR5)3-m][R2SiR4n(OR6)3-n] dans laquelle R1 et R2 sont indépendamment l'un de l'autre choisis parmi des groupes alkylène linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R3 et R4 sont indépendamment l'un de l'autre choisis parmi des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R5 et R6 sont indépendamment choisis parmi des résidus alkyle contenant 2, 3 ou 4 atomes de carbone, et n et m sont indépendamment l'un de l'autre 0, 1 ou 2 ; et la formule (III) étant NR10[R7SiR8x(OR9)3-x] dans laquelle R7 est choisi parmi des groupes alkylène linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R8 est choisi parmi des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R9 est choisi parmi des résidus alkyle contenant 2, 3 ou 4 atomes de carbone, R10 est choisi parmi H et des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone et x étant 0, 1 ou 2 ; et des groupes de blocage d'isocyanate Rb étant dérivés formellement à partir d'agents de blocage d'isocyanate de formule H-Rb par élimination formelle de H au niveau de l'atome de résidu Rb, qui est lié au carbone du groupe C = O dans la formule (I) ; à condition que en moyenne au moins 15 % en moles de la totalité des résidus R dans la formule (I) soient des résidus de formule (II), et c) un solvant organique aprotique, de 2,0 à 30 % en poids du ou des agents de réticulation (B) étant contenus dans le matériau de revêtement monocomposant, sur la base du poids total du matériau de revêtement monocomposant. L'invention concerne en outre un procédé de formation d'un revêtement sur un substrat en utilisant le matériau de revêtement monocomposant, un substrat ainsi revêtu, un revêtement multicouche comprenant une couche de revêtement formée à partir du matériau de revêtement revendiqué et un substrat ainsi revêtu.</description><subject>ADHESIVES</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMISTRY</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>CORRECTING FLUIDS</subject><subject>DYES</subject><subject>FILLING PASTES</subject><subject>INKS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>POLISHES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAOdg5yDHH2UAhyDfYMDnH0C1Hw93PVDXB09lZw9ncM8fRzV_B1DHEN8nT04WFgTUvMKU7lhdLcDMpurkC9uqkF-fGpxQWJyal5qSXx4f5GBkYmhgYGxgbmjobGxKkCAAGpJa8</recordid><startdate>20240516</startdate><enddate>20240516</enddate><creator>WINSBERG, Jan</creator><creator>WENKING, Ulrike</creator><creator>WEIHER, Christian</creator><creator>KLEIN, Guenter</creator><creator>HOMANN, Karin</creator><creator>AUSTRUP, Berthold</creator><scope>EVB</scope></search><sort><creationdate>20240516</creationdate><title>SCRATCH RESISTANT ONE-PACK COATING MATERIAL</title><author>WINSBERG, Jan ; WENKING, Ulrike ; WEIHER, Christian ; KLEIN, Guenter ; HOMANN, Karin ; AUSTRUP, Berthold</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2024100307A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2024</creationdate><topic>ADHESIVES</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMISTRY</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>CORRECTING FLUIDS</topic><topic>DYES</topic><topic>FILLING PASTES</topic><topic>INKS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>POLISHES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>WINSBERG, Jan</creatorcontrib><creatorcontrib>WENKING, Ulrike</creatorcontrib><creatorcontrib>WEIHER, Christian</creatorcontrib><creatorcontrib>KLEIN, Guenter</creatorcontrib><creatorcontrib>HOMANN, Karin</creatorcontrib><creatorcontrib>AUSTRUP, Berthold</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WINSBERG, Jan</au><au>WENKING, Ulrike</au><au>WEIHER, Christian</au><au>KLEIN, Guenter</au><au>HOMANN, Karin</au><au>AUSTRUP, Berthold</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SCRATCH RESISTANT ONE-PACK COATING MATERIAL</title><date>2024-05-16</date><risdate>2024</risdate><abstract>The present invention relates to a one-pack coating material, comprising a) at least one hydroxy-functional polymer (A) selected from the group consisting of (meth)acrylic polymers, polyesters and polyurethanes; b) at least one crosslinking agent (B) of general formula (I) being [R-(C=O)NH]zRorg wherein Rorg is an organic residue and z = 2 to 9 and R is selected from the group consisting of alkoxysilane groups containing groups of formulae (II) and (III) and isocyanate blocking groups, formula (II) being N[R1SiR3m(OR5)3-m][R2SiR4n(OR6)3-n] wherein R1 and R2 are independently from each other selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R3 and R4 are independently from each other selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R5 and R6 are independently selected from alkyl residues containing 2, 3 or 4 carbon atoms, and n and m are independently of each other 0, 1 or 2; and formula (III) being NR10[R7SiR8x(OR9)3-x] wherein R7 is selected from linear, branched and cyclic alkylene groups having 1 to 10 carbon atoms, R8 is selected from linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms, R9 is selected from alkyl residues containing 2, 3 or 4 carbon atoms, R10 is selected from H and linear, branched and cyclic alkyl groups having 1 to 10 carbon atoms and x being 0, 1 or 2; and isocyanate blocking groups Rb being formally derived from isocyanate blocking agents of formula H-Rb by formal removal of H at the atom of residue Rb, which is bound to the carbon of the C=O group in formula (I); with the proviso that on average at least 15 mole-% of the entirety of residues R in formula (I) are residues of formula (II), and c) an aprotic organic solvent, wherein 2.0 to 30 wt.- % of the at least one crosslinking agent (B) are contained in the one-pack coating material, based on the total weight of the one-pack coating material. The invention further relates to a method for forming a coating on a substrate making use of the one-pack coating material, a thus coated substrate, a multilayer coating comprising a coating layer formed from the claimed coating material and a thus coated substrate.
La présente invention concerne un matériau de revêtement monocomposant, comprenant a) au moins un polymère à fonctionnalité hydroxy (A) choisi dans le groupe constitué par des polymères (méth)acryliques, des polyesters et des polyuréthanes ; b) au moins un agent de réticulation (B) de formule générale (I) étant [R-(C=O)NH]zRorg dans laquelle Rorg est un résidu organique et z = 2 à 9 et R est choisi dans le groupe constitué par des groupes alcoxysilane contenant des groupes de formules (II) et (III) et des groupes de blocage d'isocyanate, la formule (II) étant N[R1SiR3m(OR5)3-m][R2SiR4n(OR6)3-n] dans laquelle R1 et R2 sont indépendamment l'un de l'autre choisis parmi des groupes alkylène linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R3 et R4 sont indépendamment l'un de l'autre choisis parmi des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R5 et R6 sont indépendamment choisis parmi des résidus alkyle contenant 2, 3 ou 4 atomes de carbone, et n et m sont indépendamment l'un de l'autre 0, 1 ou 2 ; et la formule (III) étant NR10[R7SiR8x(OR9)3-x] dans laquelle R7 est choisi parmi des groupes alkylène linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R8 est choisi parmi des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone, R9 est choisi parmi des résidus alkyle contenant 2, 3 ou 4 atomes de carbone, R10 est choisi parmi H et des groupes alkyle linéaires, ramifiés et cycliques ayant de 1 à 10 atomes de carbone et x étant 0, 1 ou 2 ; et des groupes de blocage d'isocyanate Rb étant dérivés formellement à partir d'agents de blocage d'isocyanate de formule H-Rb par élimination formelle de H au niveau de l'atome de résidu Rb, qui est lié au carbone du groupe C = O dans la formule (I) ; à condition que en moyenne au moins 15 % en moles de la totalité des résidus R dans la formule (I) soient des résidus de formule (II), et c) un solvant organique aprotique, de 2,0 à 30 % en poids du ou des agents de réticulation (B) étant contenus dans le matériau de revêtement monocomposant, sur la base du poids total du matériau de revêtement monocomposant. L'invention concerne en outre un procédé de formation d'un revêtement sur un substrat en utilisant le matériau de revêtement monocomposant, un substrat ainsi revêtu, un revêtement multicouche comprenant une couche de revêtement formée à partir du matériau de revêtement revendiqué et un substrat ainsi revêtu.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
| title | SCRATCH RESISTANT ONE-PACK COATING MATERIAL |
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