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:
An object of the present invention is to provide a composition which affords a hardened product exhibiting superior electrical insulating properties, adhesiveness, or the like at the time of hardening the composition. The present invention provides a composition comprising a compound having a group represented by the general formula (I): 1 (in the formula, R1, R2, and R3 are identical or different, and represent a hydrogen atom or a lower alkyl group; X, Y, and Z are identical or different, and represent an oxygen atom or a sulfur atom, and at least two of X, Y, and Z represent a sulfur atom), and a compound having two or more acidic groups.
Abstract:
A curable coating composition comprising functionalized oligomer components i and ii which crosslink at cure to form a threedimensional network having chains of substantially uniform, controllable molecular weight between crosslinks; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to crosslink i and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.
Abstract:
A stainproof resin composition comprising as an active ingredient a resin having at least one metal carboxylate group represented by the following formula: Rp—COO—M—OH (A) wherein Rp is a substrate resin and M is a divalent metal atom.
Abstract:
An aminoplast-curable film-forming composition is disclosed. The film-forming composition is a crosslinkable composition comprising (1) a material containing a plurality of carbamate and/or urea functional groups and (2) an aminoplast crosslinking agent. The composition provides a coating with improved acid etch resistance, making the coating particularly useful as an automotive clear coat.
Abstract:
The present invention provides a composition comprising a polymer or a compound having at least one 5-membered ring dithiocarbonate group represented by general formula (I): ##STR1## (wherein R.sup.1, R.sup.2, and R.sup.3 are the same or different and each of which represents hydrogen or lower alkyl), a nucleophile, and a metal compound.
Abstract:
The invention provides a powder slurry composition comprising a first solid particulate component (a) dispersed in a crosslinking component (b) having at least one crosslinking resin which is liquid at 20.degree. C. First component (a) is in solid particulate form having an average particle size of from 3 to 30 microns. Component (a) has a compound (i) having a T.sub.g >40.degree. C. and at least one carbamate or urea functional group, or a group convertible to a carbamate or urea group appended thereto. Crosslinking component (b) has at least one crosslinking resin (i) which is liquid at 20.degree. C. Most preferably, crosslinking component (b) will further include a self-crosslinking aminoplast resin (ii) having at least two aminoplast groups and at least two groups which are nonreactive with solid particulate first component (a) but which are reactive with said aminoplast groups. The powder slurry composition of the invention has a VOC of less than 1.0 lbs./gal and provides performance and application improvements over the prior art.
Abstract:
Clearcoat compositions using a phenolic ester compound are described. The phenolic ester compound is selected from the group consisting of a phenolic ester alcohol, a phenolic urethane, a phenolic blocked isocyanate, and mixtures thereof.
Abstract:
Water-based coating compositions comprise an aqueous solution, emulsion, or dispersion of (a) a water-soluble or water-dispersible polymer or oligomer having at least one anionic moiety which is capable of reacting with an oxazoline or oxazine moiety; (b) a water-soluble or water-dispersible polymer or oligomer having at least one oxazoline or oxazine moiety; and (c) colloidal silica; at least one of the components (a) and (b) further comprising at least one fluoroaliphatic moiety. The compositions can be used to form hard coatings having low surface energy and high abrasion resistance.
Abstract:
A flexible, aminoplast-curable film-forming composition can serve as a transparent coating composition for a multi-component composite coating composition having the transparent coating on a pigmented or colored base coat. The film-forming composition comprises at least two polymeric components. One is a polyether polymer containing a plurality of terminal and/or pendant carbamate groups of the structure: ##STR1## Another is at least one additional carbamate functional polymer along with urethane oligomer or is a polyurethane polyol. The former include carbamate functional polyester, acrylic polymer, and polyurethane, where each contains a plurality of terminal and/or pendant carbamate groups of the Structure I depicted above. Also the urethane oligomers has a plurality of carbamate groups of Structure I that are pendant and/or terminal. The latter polyurethane polyol has a plurality of pendant and/or terminal hydroxyl groups and optionally can be used with the urethane polyol and/or any of the aforementioned carbamate functional polymers. Optionally an additional polymer that is present is an acrylic polymer containing a plurality of amide groups with or without a plurality of terminal and/or pendant carbamate groups of Structure I. Also with the presence of the amide functional acrylic polymer, silica can be employed. Additionally for crosslinking the film-forming composition contains an aminoplast crosslinking agent.