摘要:
The present invention provides a film-forming composition. The composition includes a reaction product of:a) a polyamine containing a primary amino group and a secondary amino group; andb) an acyclic carbonate.Also provided is a method of preparing a film-forming composition and an article coated with such compositions.
摘要:
The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.
摘要:
The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.
摘要:
An aqueous coating composition comprising a dispersion in an aqueous medium of (i) an acrylic addition polymer, (ii) an acrylic addition polymer having an acid value lower than that of polymer (i), and (iii) a base. The composition may also comprise a cross-linker, such as a polyisocyanate or a melamine resin. Also disclosed are methods for making such aqueous coating compositions and aqueous coating compositions made by such methods.
摘要:
An aqueous coating composition comprising a dispersion in an aqueous medium of an acrylic addition polymer having carboxyl groups in which a proportion of the carboxyl groups are derived from a carboxyl functional chain transfer agent, the composition also comprising a base in an amount sufficient to at least partially neutralise the carboxyl groups on the polymer.
摘要:
A coating composition comprising a solution in a volatile organic solvent of: a polyisocyanate, a reactive diluent having amine groups or blocked amine groups, and a hydroxyl functional compound which is a polyester having secondary hydroxyl groups.
摘要:
The present invention refers to a mixing scheme containing a plurality of pigmented base paint compositions having defined colors and optionally one or more non-pigmented base paint compositions comprising at least one rheology controlled base paint composition containing at least one pigment selected from the group consisting of inorganic pigments, di-keto-pyrrolo-pyrrole type pigments, organic liquid crystal type pigments and carbon black and having the following rheology profile (1) an initial viscosity V1 at 20° C. of 65 Pa s or greater when measured at a shear rate of 10−3 s−1, (2) a viscosity V2 at 20° C. when measured at a shear rate of 10−3 s−1 immediately after subjecting to a shear rate of at least 15 s−1 whereby the viscosity V2 is 700 Pa s or less and is less than or equal to 70% of V1; (3) 24 hours after subjected by shaking to a shear rate of at least 15s−1 a viscosity V3 at 20° C. of at least 140% of V2 and be at least 55 Pa s, to a process of preparing a refinish coating composition using the mixing scheme of the present invention, to a refinish coating compositions obtainable therefrom, to a process of coating a substrate using the refinish coating composition and to a coated substrate obtainable therefrom.
摘要:
There is disclosed a process of priming a surface (preferably part of a vehicle) comprising; i) applying a UV radiation curable primer to the area to be primed; ii) curing the primer with UV radiation provided by one or more UV lamps having a UV-B:UV-A ratio of 1:1 or less and substantially no UV-C content, the UV radiation curable primer containing: A. 0-84% by weight of one or more compounds containing one ethylenically unsaturated free-radically polymerisable group per molecule; B. 5-50% by weight of one or more compounds containing two or more ethylenically unsaturated free radically polymerisable groups per molecule; C. 10-70% by weight of one or more pigments, fillers and/or dyes; D. 1-8% by weight of one or more photoinitiators; E. 0-20% by weight of volatile organic solvent and; F. 0-15% by weight of customary additives. Preferably the process also includes sanding the primer and topcoating the primer with one or more topcoats. There is also disclosed a surface whenever treated in a process of the invention.
摘要翻译:公开了一种起动表面(优选车辆的一部分)的方法,包括: i)将紫外线辐射固化底漆施用于待引发区域; ii)用UV-B:UV-A比为1:1或更低且基本上不含UV-C含量的一种或多种UV灯提供的UV辐照固化底漆,所述UV辐射固化底漆包含:A.O- 84重量%的一种或多种每分子含有一个烯属不饱和可自由基聚合基团的化合物; B. 5-50重量%的一种或多种每分子含有两个或更多个烯属不饱和自由基可聚合基团的化合物; C. 10-70重量%的一种或多种颜料,填料和/或染料; D.1- 1-8重量%的一种或多种光引发剂; E. 0-20重量%的挥发性有机溶剂和; F. 0-15%重量的常规添加剂。 优选地,该方法还包括对底漆进行砂磨和用一种或多种面漆涂底漆。 当在本发明的方法中进行处理时,还公开了一种表面。
摘要:
A coating composition comprising a solution in a volatile organic solvent of: i) a polyisocyanate, ii) a hydroxyl functional polymer, the polyisocyanate comprising a mixture of an aliphatic polyisocyanate having an average isocyanate functionality of 2.5 or more, and diphenylmethane diisocyanate.