65results about "Starch coatings" patented technology

The invention discloses a coating for a chemical plating process and a preparation method of the coating, and belongs to the field of three-dimensional precision machining. The coating is arranged on the surface of a base material, and based on the mass percentage of the coating, the coating comprises 55%-85% of a cross-linked product of an epoxy resin AB agent, 1%-5% of nano metal particles and 10%-40% of water-soluble polymers. The coating is adopted for a chemical plating process, the process steps are few, and the binding force between a metal circuit and a base material in the prepared three-dimensional interconnection molding device is excellent.

According to an example aspect of the present invention, there is provided an intumescent fire retardant composition comprising: an acid source comprising or consisting of ammonium phytate; and a carbon source selected from the group consisting of: carbohydrates, chemically modified lignins, tannin, and any combinations and derivatives thereof.

The invention discloses a konjak ceramic wine bottle opening sealing film and a preparation method thereof, and belongs to the technical field of food contact materials. The invention provides a preparation method of a composite film with antibacterial performance, which comprises the following steps: dissolving gallic acid in water to obtain a film forming system, adding konjac glucomannan, corn starch and Tara gum into the system, stirring, adding glycerol, stirring to obtain a film coating solution, degassing the prepared film coating solution while the film coating solution is hot, and drying to obtain the composite film with antibacterial performance. Immediately and uniformly smearing the membrane liquid on the ceramic bottle opening; the method disclosed by the invention is particularly suitable for an environment-friendly sealing technology of a high-end ceramic wine container, and can be used for replacing a traditional plastic heat shrinkage film and paraffin sealing process.

The invention discloses an antibacterial and hydrophilic dual-functional ionic liquid double-layer membrane as well as a preparation method and application thereof. According to the double-layer film, corn starch (ST) and polyvinyl alcohol (PVA) serve as substrates, and natural dye alizarin (AL) is mixed to serve as a hydrophilic layer; chitosan (CS), corn protein (Zein) and vanillin (VA) serve as a supporting layer; meanwhile, the ionic liquid is doped, so that the double-layer film is endowed with a fresh-keeping function and sensitive detection capability, the limitation of a single detection function is broken through, and a new thought is provided for food safety.

The invention belongs to the field of cigarettes, and particularly relates to a preparation method of moisture-proof coating slurry for heating a cigarette sheet, and the moisture-proof coating slurry is obtained by performing heat treatment on a water-containing mixed solution containing a formula 1, a formula 2 and starch at the temperature of 50-150 DEG C. The invention also comprises the moisture-proof slurry prepared by the preparation method and application of the moisture-proof slurry in tobacco sheets. Researches show that a one-pot system of a formula 1, a formula 2 and starch is innovatively subjected to heat treatment, the structure and network of the material can be optimized on the basis of physicochemical characteristics among the components, so that the material can be endowed with excellent moisture resistance, and the moisture absorption problem caused by high moisture absorption of the tobacco sheet can be solved when the material is applied to moisture-proof treatment of the tobacco sheet; and the problems of suction miscellaneous gas, degradation of suction flavor and the like can be avoided.

The present invention provides materials and composite materials comprising layer (A) comprising afirst polysaccharide which has been derivatised to comprise fatty acid ester moieties. Also provided are substrates coated with the material and composite material, and processes for preparing the material, composite material and coated substrate.

The present application relates to the technical field of starch coating, in particular to a preparation method of structured starch coating liquid with oil-proof and moisture-absorbing dual functions. The method comprises the following steps: firstly, performing mild acidolysis or selective oxidation pretreatment on cassava starch; then, preparing starch milk by using the pretreated starch, and performing synergistic enzymolysis on the starch milk under mild conditions by using a composite enzyme composed of alpha-amylase and glucoamylase in a specific ratio; after the enzymolysis, performing enzyme inactivation treatment, and then adding a bio-based crosslinking agent for compounding. The prepared coating has a specific bimodal distribution structure of starch derivative molecular weight, which is a key to realize function balance. After the coating liquid is coated on a substrate such as paper and dried and solidified, the formed coating not only has excellent oil-proof performance, but also exhibits good water vapor absorption capacity. The raw materials of the present application are green and the process is environmentally friendly, and the prepared multifunctional coating can be effectively applied to the fields of food packaging, medical protection and other fields which need to resist oil and regulate humidity at the same time.

This application discloses a coating for electroless plating and its preparation method, belonging to the field of three-dimensional precision machining. The coating is applied to the surface of a substrate and, based on its mass percentage, comprises: 55%–85% crosslinking product of epoxy resin AB agent, 1%–5% nano-metal particles, and 10%–40% water-soluble polymer. Using the coating of this application for electroless plating involves fewer process steps and results in excellent adhesion between the metal circuitry and the substrate in the prepared three-dimensional interconnected molded device.

A cellulosic particle contains: cellulose as its base constituent; and at least one selected from the group consisting of a hydrocarbon ester and a ketone, and the amount of the hydrocarbon ester or ketone in the cellulosic particle is 3 ppm or more and 1000 ppm or less.

The present invention relates in particular to an adhesive composition comprising i) microfibrillated cellulose and ii) at least one metal in oxidation state II or higher. The invention further relates to the use of such an adhesive composition and to products produced using such an adhesive composition. Furthermore, the invention relates to a method for producing corrugated paperboard or cardboard or solid paperboard or cardboard by using such an adhesive composition.

An adhesive, and / or a biopolymer that contains Cinnamon and / or cinnamic acid, Tee Tree Oil. Rosemary or other natural essential oil or essence. In at least one embodiment the wt % of Cinnamon is 0.4%. In at least one embodiment the wt % of cinnamic acid is at least 5%. In at least one embodiment the wt % of cinnamic acid is 7%. In at least one embodiment the wt % of cinnamic acid is at least 10%. In addition, there is a process for applying a natural biocide. The adhesive can be combined with paper products, corrugated cardboard or building materials such as wood panels.

The present invention relates to an aqueous coating composition and a coating and an article formed therefrom. In particular, the aqueous coating composition comprises: a component A comprising a film-forming resin composition, starch, optionally an aqueous vehicle and additional additives, wherein the starch is present in an amount of 2-20 wt.%, preferably in an amount of 4-10 wt.%, relative to the total weight of the component A, and wherein the coating formed from the aqueous coating composition has a 60° gloss of not more than 5°. The present invention also relates to a coating and an article formed from the above-mentioned aqueous coating composition, wherein the coating and the article have a haptics effect.

The invention relates to an aqueous coating composition and a coating and an article formed therefrom. Specifically, the aqueous coating composition comprises: a component A comprising a film-forming resin composition, starch, an optional aqueous carrier and an additional additive, the starch being present in an amount of 2-20 wt%, preferably 4-10 wt%, with respect to the total weight of the component A, and the optional aqueous carrier being present in an amount of 2-20 wt%, preferably 4-10 wt%, with respect to the total weight of the component A; and wherein the coating formed by the aqueous coating composition has a 60 DEG gloss of not more than 5 DEG. The invention also relates to a coating and a product formed by the water-based coating composition, wherein the coating and the product have a tactile effect.

The present invention relates to a powder-free coating composition for elastic products having sweat-absorbing properties to improve user comfort. [Solution] The powder-free composition comprises a gelled starch dispersion prepared by heating starch at a temperature between its solubilization and gelation temperatures. Furthermore, the composition comprises a thickener and a preservative. This innovative formulation eliminates the need for powder coating for sweat absorption while maintaining the desirable properties of the elastomer material, improving user comfort, and reducing allergic reactions and environmental pollution caused by conventional powder-coated products.

The present invention provides, inter alia, a dry powder binder composition comprising: - a protein; - a mixture of sodium salts comprising: - sodium carboxymethylcellulose, sodium metasilicate, sodium gluconate, sodium metabisulphite and sodium carbonate; - a mixture of starches comprising: - corn starch, cassava starch and rice starch; and - a dextrin.

An aqueous binder composition for mineral fibres comprises: (a) a sugar syrup containing a reducing sugar and having a dextrose equivalent DE of at least 50 and less than 85; (b) a polycarboxylic acid component; (c) an amine component; and, optionally, (d) a reaction product of a polycarboxylic acid component (b) and an amine component (c).

The present invention relates to a binder in the form of a mineralized plant-based aqueous biopolymer comprising: a) between 1% (w / w) and 90% (w / w) of a polysaccharide selected from starch and flour; b) between 1% (w / w) and 25% (w / w) of an alkali metal hydroxide, an alkaline earth metal hydroxide or a trivalent, tetravalent or pentavalent cationic metal hydroxide; c) between 5% (w / w) and 70% (w / w) of silicic acid or a salt thereof (silicate); d) between 1% (w / w) and 40% (w / w) of a silicon source or a further metal source; and between 0.1% (w / w) and 15% (w / w) of sodium hexametaphosphate.

The invention relates to the technical field of packaging materials, and particularly discloses a packaging material capable of adsorbing ink and a preparation method thereof, the packaging material is mainly composed of a bottom layer, a middle layer arranged on the surface of the bottom layer and a surface layer arranged on the surface of the middle layer, and the packaging material is of a three-layer structure. The method mainly comprises bottom layer preparation, middle layer preparation and surface layer preparation. Different from an existing single porous adsorption structure, the multi-layer adhesion, adsorption and support multi-gradient structure is adopted, pore blockage is avoided, and the problem that the adsorption rate attenuation of a traditional material is high is solved.

The invention discloses a waterproof breathable wall protection coating and a preparation method thereof, and belongs to the technical field of wall coatings. The problem that an existing outer wall waterproof coating is difficult to give consideration to breathability and waterproofness is solved. The coating comprises a primer, a floating coat and a finishing coat, the primer, the floating coat and the finish paint are respectively and independently prepared from silicone acrylic emulsion, styrene acrylic emulsion, bone glue, glutinous rice glue, nano aluminum oxide sol or nano aluminum oxide alcohol dispersion liquid, water, a dispersing agent, a coalescing agent, a defoaming agent, a thickening agent, clay filler, iron oxide red, wollastonite and hydrophobically modified bar-shaped filler; the PVC of the primer is larger than that of the CPVC, the PVC of the floating coat is approximately equal to that of the CPVC, and the PVC of the finishing coat is smaller than that of the CPVC. According to the waterproof and breathable wall protection coating, a trumpet-shaped structure with an inward opening is formed by utilizing a pigment volume concentration theory, and an aluminosilicate hydrophilic surface is formed on the surface of the coating, so that water in a wall can be quickly evaporated, and external water can be effectively prevented from entering the wall.

The invention discloses a high-strength XLPE insulating fireproof flame-retardant low-voltage power cable and a preparation method thereof, and relates to the technical field of cable preparation. The cable sequentially comprises a wire core, a supporting structure, a mica tape, a semi-conductive shielding layer, an inner sheath, a flame-retardant wrapping layer and an outer sheath from inside to outside. The supporting structure is a cross-linked polyethylene foaming structure, and the surface of the supporting structure is coated with a flame-retardant coating; the flame-retardant coating is prepared from the following raw materials: chlorosulfonated polyethylene emulsion, acrylic emulsion, ammonium polyphosphate, pentaerythritol, melamine, starch, chopped glass fibers, modified halloysite nanotubes, potassium silicate, zinc borate, a silane coupling agent, chlorinated paraffin, a wetting dispersant, a defoaming agent and water. By optimizing the cable structure and the raw materials of the flame-retardant coating, the mechanical property, fire resistance and flame retardance of the cable can be improved.

The invention discloses an anti-corrosion metal packaging coating and a preparation method thereof, and aims at solving the problems that a traditional coating is insufficient in corrosion resistance, and environmental protection and functions are difficult to consider at the same time. According to the coating, a polycaprolactone-starch blend is used as a base material, and the mechanical property is enhanced through dynamic covalent bond compatibilization and gradient nanocellulose doping; a chitosan microcapsule is embedded, a phytic acid-zinc ion composite corrosion inhibitor is arranged in the chitosan microcapsule, the microcapsule forms a pH response structure through ammonium bicarbonate pore-forming, and the corrosion inhibitor is intelligently released when damaged. And ultrasonic emulsification and electrostatic spinning processes are adopted, so that the coating is uniform, compact and high in adhesive force. The coating is suitable for metal packaging in the fields of food and medicine, has excellent corrosion resistance and biodegradability, and is wide in application prospect.

The present invention relates to a powder-free coating composition for elastomeric articles with sweat absorption ability to enhance users' comfortability. The powder-free composition comprises a gelatinized starch dispersion, prepared by combining a source of starch with water under high shearing conditions and subsequently heating it to a temperature between the solubilization and gelatinization temperature of the starch. Additionally, the composition includes thickening agents and preservatives. This innovative formulation eliminates the need for powder-based coatings for sweat absorption while maintaining the desired properties of elastomeric materials, enhancing user comfort, and reducing allergic reactions and environmental contamination associated with traditional powder-coated articles.

The invention relates to a sprayable aqueous acoustic damping composition comprising a polymer, a filler, and a water-soluble cellulose compound or a water-soluble starch, wherein, the filler comprises a filler (i) with an average particle size (d50 particle size) of about 7-18 μm and a filler (ii) with an average particle size (d50 particle size) of about 2-5 μm.

The invention provides an anti-condensation air purification two-component coating and a preparation method thereof, and belongs to the technical field of building coatings. The coating aims to overcome the defect that an existing interior wall coating is difficult to give consideration to environmental friendliness, functionality and physical properties. The coating is composed of a component A liquid material and a component B powder material. The component A comprises a self-made soil modifier prepared from polyvinyl alcohol resin, a treated leftover rice mixture and the like; the component B comprises a modified soil mixture which is treated by a soil foaming agent to form porous particles and borax serving as a cross-linking agent. Through cross-linking reaction of polyvinyl alcohol in the component A and borax in the component B, the bonding strength and cracking resistance of a coating film are improved. In addition, the coating system further comprises a photocatalyst, a physical adsorbent and a negative ion generation material. According to the present invention, by modifying the natural material and the two-component cross-linking system, the coating material is endowed with excellent anti-condensation performance, efficient air purification function and good thick coating cracking resistance on the basis of the environmental protection target.

Film Coating Composition The formed seed coating composition comprises a film-forming composition. [Solution] The thin film coating composition contains a rosin resin and / or a starch derivative and a wax dispersion. The total amount of rosin / starch and wax in the thin film coating composition ranges from 2 to 60% by weight. The seed coating formulation optionally contains agrochemical actives and / or nutrients and is applied to seeds or bulbs for wet and dry flowability, abrasion resistance, dust-off, germination, planting suitability, and color retention. In particular, the seed coating composition provides these properties while being essentially or completely free of microplastics. Methods for making the formulation and for treating seeds or bulbs with the seed coating formulation are also provided.

The invention provides a coating liquid system for improving durability of metallic yarns and application of the coating liquid system. The coating liquid system comprises a foaming type base coating liquid for foaming a coating, the atomization type transition coating liquid is used for atomizing the coating; the long-acting protective coating liquid at least comprises a compound high-molecular resin emulsion, mesoporous silicon dioxide loaded with benzotriazole and epoxy group modified barium sulfate, wherein the compound polymer resin emulsion is a compound mixed solution formed by mixing a carboxyl acrylate emulsion, N-hydroxymethyl acrylamide, polyvinyl alcohol and a polyurethane emulsion, and the problem of protection of an exposed cross section after slitting can be solved on the premise that the dimensional precision, the production efficiency and the decorative performance of the metallic yarn are not affected.

An interpenetrating polymer network (IPN) is described, as well as coating compositions including a combination of a starch solution and the IPN for coating a paper or paperboard. The IPN includes a first copolymer of acrylamide and acrylic acid with a second copolymer of acrylamide and acrylic acid. The first copolymer and the second copolymer are different from each other at least with respect to average molecular weight. Processes of making the IPN and the coating composition as well as coating the paper or paperboard with the coating composition are also described.

The invention belongs to the technical field of coatings, and particularly relates to a degradable heat insulation coating for greenhouse vegetables. The invention relates to a degradable heat-insulating coating for greenhouse vegetables. The degradable heat-insulating coating is prepared from the following components: a base material system, a heat-insulating filler, a functional additive and a solvent, wherein the base material system is composed of a PLA / PBAT blend and cross-linked starch; the heat insulation filler is composed of nano cesium tungstate oxide and hollow ceramic microbeads; the solvent is deionized water. Through innovative design of the base material system, the heat-insulating filler, the functional additive and the like, the prepared heat-insulating coating for the greenhouse vegetables has relatively good flexibility, relatively low heat conductivity coefficient and relatively excellent degradation rate, and has remarkable industrial application value and popularization prospect.

The present invention relates to a sprayable aqueous acoustic damping composition comprising a polymer, a filler, and a water-soluble cellulose compound or a water-soluble starch wherein the filler comprises a filler (i) having an average particle size (d50 particle size) of about 7 to 18 [mu] m, and a filler (ii) having an average particle size (d50 particle size) of about 2 to 5 [mu] m.