Patent classifications
C09D5/028
Method of producing a packaging material for a retortable package
The disclosure relates to a packaging material for a retortable package provided with decorative artwork, the packaging material having a pigment-coated paperboard material layer and outer, heat-resistant plastic coatings. In order to improve the printability of the paperboard layer, the surface of the coated paperboard layer intended for printing has a pigment coating composition comprising a pigment mixture, a binder and a zirconium based crosslinking agent, wherein the pigment mixture comprises at least 40 wt % calcium carbonate and at least 10 wt % clay.
Durable aqueous compositions for use in making traffic markings having good dirt pickup resistance and traffic markings made therewith
The present invention provides stable, quick drying aqueous compositions useful in making traffic markings having excellent low temperature flexibility which comprise (i) one or more vinyl or acrylic emulsion polymers chosen from single stage and multi-stage emulsion polymers, the polymer or at least one stage thereof having both a calculated glass transition temperature (calculated Tg) of from 25 to 0 C., and a calculated Hansch parameter of 1.4 to 2.25, and (iii) one or more fillers, extenders and/or pigments, wherein the composition has a percent pigment volume concentration (% PVC) of from 50 to 80% and, preferably, a volume solids of from 50 to 75%. The compositions may comprise one or more silanes, and one or more polyamines and a volatile base, such as ammonia.
Water-based coating compositions that resist dirt pickup
Water-based compositions containing a low VOC coalescent, a latex or water-dispersible polymer are described.
AQUEOUS POLYMER DISPERSION
The present invention provides an aqueous polymer dispersion and an aqueous coating composition comprising such aqueous polymer dispersion and providing coatings with improved early water blister resistance as well as satisfactory water streaking resistance and good durability properties.
COATING COMPOSITIONS
The present disclosure is drawn to coating compositions that can include an inorganic pigment, a non-ionic surfactant, latex particles, a polyvinyl alcohol, and a cationic fixing agent. The inorganic pigment can be included in an amount from 60 wt % to 90 wt % by dry weight. The latex particles can include a styrene-butadiene copolymer, and can be present in an amount of 4 wt % to less than 10 wt % by dry weight. The polyvinyl alcohol can have a weight average molecular weight of 150,000 Mw to 400,000 Mw.
Aqueous emulsion paint with improved stain removal and anticlogging properties
The present invention provides an aqueous composition for coating substrates comprising: one or more emulsion copolymer, the emulsion copolymer being a copolymerization product of a monomer mixture comprising a monomer of formula I, ##STR00001## wherein R1 is hydrogen or methyl, X is a divalent organic alkylene oxide group, n is an integer ranging from 1 to 50 and R2 is hydrogen or an aliphatic or aromatic hydrocarbon group having from 1 to 20 carbon atoms, and a phosphate surfactant. When incorporated into a coating composition, the coating composition show both improved stain-resistance properties and anti-clogging properties.
AQUEOUS FUNCTIONAL COMPOSITION FOR ARTICLES
An aqueous functional composition formulation is used to provide a top layer or pattern in light-blocking opacifying elements. This functional composition formulation has 0.5-15% solids and the essential (i) and (iv) components and any optional (ii), (v), (vi), and (vii) components. The essential components are (i) fumed silica particles at 0.5-10 weight %; and a (iv) water-soluble or water-dispersible organic polymeric binder having a glass transition temperature (T.sub.g) below 25 C. The weight ratio of the (i) fumed silica particles to the (iv) water-soluble or water-dispersible organic polymeric binder is 10:1 to 1:5. The optional components include: a (ii) solid or non-solid lubricant; a (v) crosslinking agent; a (vi) thickener; and a (vii) coating aid. Glass particles can also be present. The presence of the (i) fumed silica provides improved brightness, e.g. an L* value of at least 80, and uniform coatings in the opacifying element.
Flower Pot with Faux-Rust Effect and Its Manufacturing Method
A flower pot includes a main body having an external surface and a faux-rust effect layer formed on the external surface of the main body. The faux-rust effect layer includes 5.8 to 20 parts by weight of water, 0.21 to 4.7 parts by weight of additives, 0.1 to 1 parts by weight of dispersant, 0.05 to 0.5 parts by weight of lubricant, 0.2 to 2 parts by weight of ethylene glycol, 0.5 to 2 parts by weights of dodecyl alcohol ester, 8.2 to 25 parts by weight of emulsion agent, 40 to 60 parts by weight of ferrous metal ore powder, 0.1 to 0.9 parts by weight of thickener, 0.1 to 0.2 parts by weight of sterilizing agent, and 0.05 to 0.1 parts by weight of preservative.
Hollow polymer composition
Provided is method of making a hollow polymer composition, comprising the steps of (a) providing an aqueous dispersion comprising (i) hollow polymer particles, wherein the hollow polymer particles comprise polymerized units of one or more multivinyl monomer, (ii) water, and (iii) one or more organic alcohol, and (b) removing water from the aqueous dispersion to form a dry composition comprising the hollow polymer particles and the alcohol, wherein either water is absent from the dry composition or else water is present in the dry composition in an amount such that the weight ratio of water to hollow polymer particles is 0.2:1 or less. Also provided are dry compositions that could be made by such a method, and non-aqueous dispersions of such dry compositions.
WATER-SOLUBLE COPOLYMER AND USE THEREOF AS DISPERSANT FOR SUSPENSION OF PARTICLES
The invention relates to the field of preparing aqueous dispersions of organic, organometallic or inorganic particles. In particular, the invention relates to the preparation of aqueous suspensions comprising organic, organometallic or inorganic particles and at least one particular copolymer obtained by polymerization of at least one acid and at least one compound or at least one ester derived from a particular acid, in the presence of water, at least one initiator compound and at least one activator compound, followed by total or partial neutralization by means of at least one compound chosen from alkali metal hydroxides, alkaline earth metal hydroxides, alkaline earth metal dihydroxides and mixtures thereof. The invention relates to such a particular copolymer having a low polydispersity index and weight-average molecular weight, the preparation process thereof and the use thereof, especially for the preparation of an aqueous paint composition.