摘要:
The present invention relates to a stainproof-treating agent which comprises (A) 0.05 to 30 percent by weight of a nonvolatile resin ingredient, (B) 0.05 to 30 percent by weight of a nonvolatile ingredient of at least one oxide sol selected from the group consisting of an aluminum oxide sol, a silica sol, a zirconium oxide sol and an antimony oxide sol, (C) 1 to 50 percent by weight of an organic solvent and (D) 40 to 99 percent by weight of water, wherein the resin of the ingredient (A) has a solubility parameter of 10 or more and is insoluble in water at 25° C., a method for stainproof-treating by using the stainproof-treating agent and a stainproof-treated article obtained by the method for stainproof-treating. The stainproof-treating agent of the present invention can be applied on a substrate without requiring a special device and can provide excellent stain resistance by modifying a substrate surface hydrophilic by a simple work. Also, the method for stainproof-treating of the present invention can provide excellent stain resistance on the substrate by a simple work. Further, the stainproof-treated article of the present invention is an article obtained by the method for stainproof-treating described above and is excellent in stain resistance.
摘要:
To obtain elasticity imparting agents for paints comprised of liquid non-aqueous polymer dispersions which, when added to paints, improve the scratch resistance without lowering the acid resistance of the hardened paint film. A liquid non-aqueous polymer dispersion which contains (a) 40-90 percent by weight organic solvent, (b) 10-50 percent by weight particle component comprised vinyl based copolymer which contains 30 percent by weight or more of structural units of formula (1), and (c) 5-40 percent by weight dispersion stabilizer for dispersing the (b) component in the (a) component. In formula (1) R.sup.1 -R.sup.5 are H or methyl groups, m is 0-2, n is 0-10, p is 0 or 1, q is 0-3 and r is 0-3.
摘要:
Thermosetting composition is excellent in storage stability, useful as one component thermosetting composition, gives cured products having excellent chemical properties, physical properties and weathering resistance and is favorably utilized in coating compositions, ink, adhesive and molded plastics.The thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating and optionally a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule.
摘要:
Thermosetting compositions which are excellent in storage stability, useful as one component thermosetting compositions, give cured products having excellent chemical properties, physical properties and weathering resistance and favorably utilized in coating compositions, ink, adhesive and molded plastics. The thermosetting compositions comprises a compound having in the molecule two or more hydroxyl groups and/or thiol groups blocked by a vinyl ether compound, a vinyl thioether compound or a heterocyclic compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked hydroxyl and/or thiol compound by heating and a thermal latent acid catalyst. The blocked hydroxyl and/or thiol group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule.
摘要:
Thermoset paint compositions with which paint films can be formed which have excellent acid resistance, abrasion resistance and adhesion, and with which the water repelling properties and staining resistance can be retained for a longer period of time than with the conventional fluorine resin based paint films, are obtained. Constitution: Thermoset paint film compositions which contain (a) from 20 to 80% by weight of fluorine containing copolymer, comprising fluoro-olefin and vinyl based monomer, of which the solubility parameter value is from 9.0 to 10.5 and the hydroxy group value is within the range from 60 to 150 mgKOH/g; (b) from 20-80% by weight of vinyl based (co)polymer, comprising vinyl based monomer which contains at least 10% by weight of monomer which can be repesented by formula (1), of which the solubility parameter is from 9.0 to 10.5 and the hydroxy group value is within the range from 60 to 150 mgKOH/g; (c) from 5 to 40% by weight of alkyl etherified melanine resin; and (d) from 2 to 40% by weight of blocked polyisocyanate compound, and with which the glass transition temperature of the paint film after hardening is at least 50° C. In formula (1), R1 to R5 each independantly represent H or methyl group, i is 0-2, j is 0 or 1, k is 0-3, m is 0-3 and n is 0-10.
摘要:
Thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating, a specific vinyl ether or vinyl thioether and a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule. The thermosetting composition gives cured products having excellent chemical properties, physical properties, weathering resistance and storage stability and is advantageously utilized for coating compositions, ink, adhesive and molded plastics.
摘要:
A thermal latent compound which is prepared by a reaction of a polycarboxyl compound having two or more carboxyl groups in the molecule, having an acid equivalent of not more than 1000 g/mole and a number average molecular weight of not more than 4000, with a monovinyl ether compound, wherein at least two carboxyl groups are transformed into a functional group of the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom or an organic group of 1 to 18 carbon atoms, R.sup.4 is an organic group of 1 to 18 carbon atoms, Y.sup.1 is an oxygen atom or R.sup.3 and R.sup.4 are bonded together to form a heterocyclic with Y.sup.1 as a heteroatom.
摘要:
An agent for imparting stain resistance to a top-coat paint film that has (a) from 3 to 10 mass % of a compound represented by Formula (1) or a partial hydrolysis condensate thereof, wherein Formula (1) is R1—(OCH2CH2)n—O—Si(OR2)3 wherein R1 is an alkyl group having 1 to 6 carbon atoms or a hydrogen atom, R2 is the same or different and is an alkyl group having 1 to 6 carbon atoms, and n is an integer value from 2 to 4, (b) from 0.01 to 1 mass % of a catalyst with which the aforementioned (a) component can be hydrolyzed, (c) 0.5 to 3 mass % of an alkylsulfosuccinic acid salt based surfactant, and (d) from 86 to 96.49 mass % of an alcohol based solvent which has not more than 3 carbon atoms. A method for imparting stain resistance to a top-coat paint film employing the disclosed agent is also provided.
摘要:
A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxly, a carboxly anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. They give a cured coating film which has nonstaining properties based on a high degree of hydrophilicity from immediately after the formation thereof and has satisfactory long-term weatherability, water resistance, and chemical resistance. The film can impart an excellent finish appearance to the article
摘要:
An article coated by a method of coating which comprises coating a substrate with a top coating material comprising at least one pigment and a thermosetting composition, the at least one pigment being in an amount of 0 to 100 weight parts based on 100 weight parts of the thermosetting composition, the thermosetting composition comprising (A) a compound having in the molecule two or more functional groups of the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each selected from the group consisting of a hydrogen atom and an organic group of 1 to 18 carbon atoms, R.sup.4 is an organic group of 1 to 18 carbon atoms, Y.sup.1 is oxygen or sulfur, or R.sup.3 and R.sup.4 are bonded with each other to form a heterocyclic structure which comprises Y.sup.1 as the hetero atom; (B) a compound having in the molecule two or more reactive functional groups which can form chemical bonds with the functional groups of the compound (A) by heating, the reactive functional groups of the compound (B) are epoxy groups; and (F) a complex compound formed by coordination of a conjugated base of a Bronsted acid or a Bronsted salt to a vacant orbital of a Lewis acid in a mol ratio of the Bronsted acid or Bronsted salt to the vacant orbital of the Lewis acid of 0.1 to 4.