Abstract:
The invention provides a binder with barrier properties containing at least one compound containing at least one radiation-curable reactive functional group which is flowable at 18° C. to 100° C. and preferably at 20° C. to 80° C. as component (A), at least one compound containing at least one radiation-curable reactive functional group and at least one COOH group as component (B), and at least one nanoscale filler preferably selected from the group consisting of oxides, nitrides, halides, sulfides, carbides, tellurides, selenides of the second to fourth main group, the transition elements, the lanthanides and/or from the group of polyorganosiloxanes as component (C). The binder is used as a radiation-curing binder in coatings, fillers, sealers or adhesives, particularly in the production of laminate films with barrier properties such as those used in food packaging.
Abstract:
The present invention provides melt-processible adhesive compositions prepared from a first oligomer containing reactive functional groups capable of reaction at effective rates (at normal processing temperatures) with a co-reactive second component oligomer possessing functionality that is complementary to that of the first oligomer. The compositions may be used as coatings, including hard surface coatings, clear coatings, powder coatings and pattern coatings; as adhesives, including pressure sensitive adhesives and hot melt adhesives; as sealants; as optical coatings; as blown microfibers (BMF); as high refractive index optical materials; as barrier films; in microreplication; as low adhesion backsizes, (LABs) and as release coatings.
Abstract:
The present invention is to provide a coating composition capable of forming a protective film excellent in adhesion properties. Such a coating composition comprises a specific polymer containing carboxyl group, a specific multifunctional epoxide-containing compound having two or more epoxy groups, an organic solvent, and an amino-containing silane coupling agent represented by the following general formula (I): H2N—R1—Si—(OR2)3 (I) wherein, R1 is an unsubstituted alkylene group, and R2's are independently an unsubstituted alkyl group.
Abstract:
A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transition temperature of from 30 to 120° C.; (B) tris(&bgr;-methylglycidyl) isocyanurate of the formula (1): (C) as a ring opening polymerization inhibitor, at least one compound selected from the group consisting of amines having in their molecules a bond of the formula (2): and onium salts.
Abstract:
A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transition temperature of from 30 to 120.degree. C.; (B) tris(.beta.-methylglycidyl) isocyanurate of formula (1); and (C) as a ring opening polymerization inhibitor, at least one compound selected from the group consisting of amines having in their molecules a bond of formula (2); and onium salts.
Abstract:
A method of preparing a water-dispersible epoxy resin coating composition comprises: (a) Reacting an epoxy polymer with a carboxyl bearing polymer in the presence of an esterification catalyst; (b) Quenching with an excess of tertiary amine before the esterification reaction is completed; and (c) adding water to form an aqueous dispersion.
Abstract:
The present invention provides a wet-on-wet coating method comprising applying a thermosetting aqueous coating composition (A), and applying a thermosetting aqueous coating composition (B) to the uncured coating surface of the aqueous coating composition (A) wherein the aqueous coating composition (A) contains a base resin with a neutralization value of 20 to 30 KOH mg/g and the aqueous coating composition (B) contains a base resin with a neutralization value higher by 10 to 20 KOH mg/g than the base resin of the aqueous coating composition (A).
Abstract:
Non-aqueous ionomeric coatings useful as protective surface coatings applied to a substrate are produced by combining a carboxyl functional polymer with zinc carbonate. Upon heat curing the applied film, the zinc cation clusters with the carboxyl polymer to produce a thermoset coating film.
Abstract:
Ionomeric paint coatings are produced from an ionomeric polymer containing carboxyl functionality which is coreacted or neutralized with an organic zinc salt. The ionomeric polymer coreacted with a zinc organic salt functions as a binder and exhibits thermosetting-like properties.
Abstract:
A resinous composition for coating use comprising a resin obtained by the reaction of base resin having as essential groups, both carboxyl groups derived from a polycarboxylic acid whose titration midpoint potential in non-aqueous potentiometric titration is more than -300 mV in a state capable of developing a resinous acid value and a functional group reactive with a crosslinking agent, and an alkyleneimine compound in an amount equivalent to resinous acid value of 0.01 to 50, the resinous acid value based on said polycarboxylic acid in the final composition being 2 to 50.This is useful for the preparation of a coating composition having improved curing property, storage stability and time color stability.