A coating material is allowed to contain a sulfate having a higher degree of solubility in water than that of calcium sulfate. The sulfate is an additive for coating materials which is used for reducing the consumption of zinc (including zinc oxide) in a coating film formed from the coating material and the corrosion of a base material when the coating film is scratched. The content of the sulfate can be 0.004 to 0.65 mol per 100 g of the content of zinc. Alternatively, the content of the sulfate may be 0.006 to 0.186 mol per 100 g of a heating residue (except for the sulfate added) of a coating film.

The present invention discloses a PBAT resin composition comprising following components: (a) poly(butyleneadipate-co-terephthalate); (b) iron element; wherein, based on a total weight of the PBAT resin composition, a weight content of the iron element is 1 ppm-500 ppm. By adding iron-containing compounds into the composition and controlling the content of the iron element in a range of 1 ppm-500 ppm in the composition, a speed of reaction of aromatic structure in the PBAT resin under a hot and humid condition can be postponed, so that after the prepared PBAT resin composition is aged in boiling water for 24 hours and 48 hours, a variation of b-value is less than 2. The PBAT resin composition has obviously improved color stability in resistance to boiling water aging.

An anti-biofouling shape-memory composite aerogel includes a unidirectional chitosan aerogel channel, a plant polyphenol coating, and a polyphenol/iron ion chelate. The plant polyphenol coating is evenly distributed on an inner wall of the unidirectional chitosan aerogel channel, and the polyphenol/iron ion chelate is located at a top end of the unidirectional chitosan aerogel channel. The anti-biofouling chitosan-based composite aerogel has an evaporation rate of 1.96 kg.Math.m.sup.2.Math.h.sup.1 at an illumination intensity of 1 kW/m.sup.2. The composite aerogel has shape-memory properties, and can quickly restore its original shape in water after extrusion, thereby accelerating the diffusion of substances to complete the modification of inner channels. In this way, desirable anti-biofouling ability is achieved, and excellent structural stability as well as continuous and efficient photothermal water evaporation are guaranteed in a complex water environment.

A coating material is allowed to contain a sulfate having a higher degree of solubility in water than that of calcium sulfate. The sulfate is an additive for coating materials which is used for reducing the consumption of zinc (including zinc oxide) in a coating film formed from the coating material and the corrosion of a base material when the coating film is scratched. The content of the sulfate can be 0.004 to 0.65 mol per 100 g of the content of zinc. Alternatively, the content of the sulfate may be 0.006 to 0.186 mol per 100 g of a heating residue (except for the sulfate added) of a coating film.

Compositions are disclosed for dewatering mixtures of petroleum and water. The compositions comprise one or more of the following: an unreacted polysaccharide component; and one or both of a polysaccharide component reacted with a hydrophilic component and a polysaccharide component reacted with a hydrophobic component. The compositions may also include viscosifying agents or stabilizers to stabilize the compositions against separation, for example, prior to use. In particularly preferred embodiments the invention is drawn to compositions for breaking an emulsion; such compositions comprising a carbohydrate component containing a cationic starch joined to a hydrophobic moiety, providing the carbohydrate component oil solubility. The composition may optionally comprise one or more additional demulsifier selected from, without limitation, salts (such as a polyaluminum chloride, an aluminum chlorohydrate, an alum, etc.), metal salts (such as iron and zinc salts), dithiocarbamate, tannin, and organic demulsifiers such as poly-DADMAC and similar compounds.

The present invention is directed to a coated metal substrate comprising a metal substrate; and a coating applied over at least a portion of the metal substrate, wherein the coating comprises a film-forming binder; magnesium oxide; an aluminum compound and/or iron compound; and aluminum particles. The present invention also provides a curable film-forming coating composition comprising a film-forming binder; magnesium oxide; an aluminum and/or iron compound; and aluminum particles. Also disclosed are methods of coating a substrate.

The present disclosure is directed to a coated metal substrate comprising a metal substrate; a coating applied over at least a portion of the metal substrate, wherein the coating comprises a film-forming binder; magnesium oxide; and an aluminum compound and/or iron compound; wherein the coating has a dry film thickness of at least 10 microns, and the magnesium oxide and the aluminum and/or iron compound are present in a weight ratio of 1:1 to 240:1. The present disclosure is also directed to a curable film film-forming coating composition a film-forming binder; magnesium oxide; and an aluminum compound and/or iron compound, wherein the magnesium oxide and the aluminum and/or iron compound are present in a weight ratio of 1:1 to 240:1. Also disclosed are methods of coating a substrate.

Flame retardant mixtures and the production and use thereof

The invention relates to a flame retardant mixture comprising 99.9999% to 87% by weight of diorganylphosphinic salts as component A) and 0.0001% to 13% by weight of iron as component B), where the sum total of A) and B) is 100% by weight; and to processes for preparation thereof and to the use thereof.

It is an object of the present invention to provide a resin composite that is excellent in water resistance and is capable of exerting sufficient strength even under wet conditions. The present invention relates to a resin composite comprising a resin, fibers having an ionic functional group, and a polyvalent ion. The fibers having an ionic functional group are preferably cellulose fibers having a fiber width of 1000 nm or less.

The present application provides an aqueous emulsion polymer free of ethyl acrylate comprising (a) monomers (i) methyl acrylate, (ii) butyl acrylate and (iii) methacrylic acid; (b) crosslinker and (c) at least one surfactant. The present invention also provides the use of such emulsion polymers along with acid, cationic polymer, oil and other additives as low pH rheology modifiers and suspending aids for surfactant based micelle technology, emulsions and complex fluids in personal care, home care and industrial applications.