Abstract:
Disclosed is an aqueous composition for surface coating, including: a main ingredient comprising a first compound having at least two functional groups selected from the group consisting of a carboxyl group, a hydroxyl group, an amino group and combinations thereof, per molecule; a curing agent comprising a second compound having at least two functional groups selected from the group consisting of an aziridine group, an isocyanate group, a carbodiimide group and combinations thereof, per molecule; and an aqueous solvent. Further, an automotive sheet using the aqueous composition for surface coating is disclosed.
Abstract:
To provide a dispersion composition having a high refractive index and giving an excellent surface state to a film after coating, and a curable composition, a transparent film, a microlens and a solid-state imaging device each using the dispersion composition; and provide a compound able to afford a dispersion composition having a high refractive index and giving an excellent surface state to a film after coating and drying and maintain the dispersion stability of particles. A dispersion composition containing (A) a metal oxide particle having a primary particle diameter of 1 to 100 nm, (B) a polymer compound represented by the following formula (1) having a weight average molecular weight of 10,000 or less, and (C) a solvent: in formula (1), R 1 represents an (m+n)-valent linking group, R 2 represents a single bond or a divalent linking group, A 1 represents a monovalent substituent having at least one group selected from the group consisting of an acid group, a urea group, a urethane group, a coordinating oxygen atom-containing group, a basic nitrogen atom-containing group, a phenol group, an alkyl group, an aryl group, an alkyleneoxy chain-containing group, an imide group, an alkyloxycarbonyl group, an alkylaminocarbonyl group, a carboxylate group, a sulfonamide group, a heterocyclic group, an alkoxysilyl group, an epoxy group, an isocyanate group and a hydroxyl group, n number of A 1 or R 2 may be the same or different from each other, m represents a positive number of 8 or less, n represents from 1 to 9, m+n satisfies the range of 3 to 10, P 1 represents a polymer chain, and m number of P 1 may be the same or different from each other.
Abstract:
The invention relates to a bonding agent with barrier properties, comprising: A) at least one compound which is fluid in a range of 18 °C to 100 °C, preferably 20 °C to 80 °C, with at least one reactive functional group which may be hardened by radiation as component (A), B) at least one compound with at least one reactive functional group which may be hardened by radiation and with at least one COOH-group as component (B) and C) at least one nanoscale filler as component (C), preferably selected from the group of oxides, nitrides, halides, sulphides, carbides, tellurides, selenides of the second to fourth main group, transition elements, lanthanides and/or the group of polyorganosiloxanes. The bonding agent is used as a radiation-hardening bonding agent in coating agents, fillers, sealers or adhesives. The invention further relates to a method for the production of composite films with barrier properties against CO2, O2, N2, water vapour and flavourings using said bonding agents and composite films made by said method.
Abstract:
An organic solvent-based heat-curable high solid coating composition comprising:
(A) a carboxyl-containing compound having an acid value of 50 to 500 mg KOH/g wherein 20 mol% or more of the carboxyl groups are silylated carboxyl groups, (B) at least one epoxide selected from (B-1) an epoxy-, hydroxyl- and hydrolyzable alkoxysilyl-containing vinyl polymer, (B-2) the vinyl polymer (B-1) wherein 20 mol% or more of the hydroxyl groups are silylated hydroxyl groups, and (B-3) an epoxy compound having a number average molecular weight less than 1,000, and (C) a crosslinked particulate polymer, the composition having a solid content of 65 wt.% or more; and a method for forming a topcoat using the composition. The composition of the invention has a sufficiently high solid content, is capable of forming a coating film with high resistance to acids and the like, and is excellent in low-temperature curability, storage stability and recoat adhesion.
Abstract:
A coating composition for use as an overcoat or heat resistant coating having improved heat resistance comprised of an aqueous latex polymer emulsion and a water soluble or water-dispersible resin which containing a sufficient number of either (a) carboxyl groups or (b) carboxyl and amide groups which will form at least one anhydride ring or imide, in the presence of sufficient heat, and release water molecules, with the latex polymer having a particle size of less than about 1600 Angstroms and containing an effective amount of a nitrogen containing volatile base to achieve a pH of greater than about 7.5 to keep the resin solubilized or dispersed.
Abstract:
A coating composition for use as an overcoat or heat resistant coating having improved heat resistance comprised of an aqueous latex polymer emulsion and a water soluble or water-dispersible resin which containing a sufficient number of either (a) carboxyl groups or (b) carboxyl and amide groups which will form at least one anhydride ring or imide, in the presence of sufficient heat, and release water molecules, with the latex polymer having a particle size of less than about 1600 Angstroms and containing an effective amount of a nitrogen containing volatile base to achieve a pH of greater than about 7.5 to keep the resin solubilized or dispersed.
Abstract:
Beschrieben werden eine Bindemittelzusammensetzung, diese enthaltende Überzugsmittel, Verfahren zu deren Herstellung und die Verwendung der Überzugsmittel zur Herstellung ein ein- oder mehrschichtigen Lackierungen, insbesondere auf dem Kraftfahrzeugsektor. Die Bindemittelzusammensetzung enthält:
A) 25 bis 75 Gew.-% eines oder mehrerer carboxylgruppenhaltiger Harze, die alpha,beta-ungesättigte Gruppen enthalten können, mit einem Zahlenmittel des Molekulargewichts (Mn) von 500 bis 10000 g/Mol und einer Säurezahl von 15 bis 200 mg KOH/g, B) 25 bis 75 Gew.-% eines oder mehrerer Polyether, Polyester, Polyether/Polyester und/oder (Meth)acrylcopolymerer mit mindestens einer alpha,beta-ungesättigten Gruppe und mindestens einer Epoxidgruppe im Molekül, wobei die alpha,beta-ungesättigten Gruppen und Epoxidgruppen im Zahlenverhältnis 20 : 80 bis 80 : 20 vorliegen, mit einem Zahlenmittel des Molgewichts (Mn) von bis zu 10000 g/Mol, C) 0 bis 30 Gew. -% eines oder mehrerer Polyole mit mindestens zwei Hydroxyfunktionen im Molekül,
D₁) 0 bis 20 Gew.-% eines oder mehrerer Melaminharze, D₂) 0 bis 40 Gew.-% eines oder mehrerer verkappter Polyisocyante, wobei sich die Summe der Gew.-% der Komponenten A), B), C), D₁) und D₂) auf 100 Gew.-% addiert, sowie E) 0 bis 10 Gew. -% eines oder mehrerer Katalysatoren zur Katalyse der Reaktion von Carboxyl- und Epoxidgruppen, bezogen auf die Summe der Gewichte der Komponenten A) bis D₂), und F) 0,1 bis 10 Gew.-% eines oder mehrerer thermisch und/oder photochemisch aktivierbarer Radikalinitiatoren, bezogen auf das Gesamtgewicht der Komponenten A) und B).
Abstract:
Provided is a dispersion composition which has a high refractive index and has a high dispersion stability, a curable composition using the same, a transparent film, a microlens, and a solid-state imaging device. The dispersion composition comprises: colourless, white or transparent metal oxide particles (A) having a primary particle diameter of 1 nm to 100 nm and a refractive index of from 1.75 to 2.70, a polymer compound (B) having an acid value of 120 mgKOH/g or more, which is represented by the following Formula (1), and a solvent (C):
wherein: R 1 represents a (m+n)-valent linking group represented by any one of the following Formulae:
wherein: L 3 represents a trivalent group; T 3 represents a single bond or a divalent linking group; and the three T 3 's may be same or different; L 4 represents a tetravalent group; T 4 represents a single bond or a divalent linking group, and the four T 4 's may be the same or different; L 5 represents a pentavalent group; T 5 represents a single bond or a divalent linking group, and the five T 5 's may be the same or different; L 6 represents a hexavalent group; T 6 represents a single bond or a divalent linking group, and the six T 6 's may be the same or different, R 2 represents a single bond or a divalent linking group, A 1 represents a monovalent substituent having at least one group selected from the group consisting of an acid group, a urea group, a urethane group, a group having a coordinating oxygen atom, a group having a basic nitrogen atom, a phenol group, an alkyl group, an aryl group, a group having an alkyleneoxy chain, an imide group, an alkyloxycarbonyl group, an alkyl amino carbonyl group, a carboxylate group, a sulfonamide group, a heterocyclic group, an alkoxysilyl group, an epoxy group, an isocyanate group, and a hydroxyl group, n A 1 's and n R 2 's may be the same or different, m represents a positive number of 8 or less, n represents 1 to 9, and m+n satisfies 3 to 10, and P 1 represents a polymer chain, and m P 1 ,s may be the same or different.
Abstract translation:提供了具有高折射率和高分散稳定性的分散组合物,使用其的可固化组合物,透明膜,微透镜和固态成像装置。 分散体组合物包含:初级粒径为1nm〜100nm,折射率为1.75〜2.70的无色白色或透明金属氧化物粒子(A),酸值为120mgKOH的高分子化合物(B) / g以上,由下式(1)表示,溶剂(C):其中:R 1表示由以下任一式表示的(m + n)价连接基团:其中:L 3表示三价基团; T 3表示单键或二价连接基团; 三个三角形可能相同或不同; L 4表示四价基团; T 4表示单键或二价连接基团,四个T 4可以相同或不同; L 5表示五价基团; T 5表示单键或二价连接基,五个T 5可以相同或不同; L 6表示六价基团; T 6表示单键或二价连接基,6个T 6可以相同或不同,R 2表示单键或二价连接基团,A 1表示选自至少一个基团的一价取代基 由酸基,脲基,氨基甲酸酯基,具有配位氧原子的基团,具有碱性氮原子的基团,酚基,烷基,芳基,具有亚烷基氧基的基团 链,酰亚胺基,烷氧基羰基,烷基氨基羰基,羧酸酯基,磺酰胺基,杂环基,烷氧基甲硅烷基,环氧基,异氰酸酯基和羟基,n A 1 n R 2可以相同或不同,m表示8以下的正数,n表示1〜9,m + n满足3〜10,P 1表示聚合物链,m P 1 ,s可以相同或不同。
Abstract:
The invention relates to coating materials containing a compound having at least two cyclic carbonate groups and a siloxane group (known as carbonate compound).