996results about "Coatings without pigments" patented technology

The present invention relates to a paper or paperboard substrate having barrier properties which substrate comprises a first fiber based layer, a second layer comprising microfibrillated cellulose and a third layer comprising a polymer. The invention further relates to a process for the production of said substrate and a package formed of said substrate.

Compositions and methods for the in situ formation of hydrosilylation (addition) cross-linked organosiloxane films are disclosed. The disclosed films are long-lasting, flexible, transfer-resistant, and water-proof. The film-forming compositions generally comprise alkoxy-terminated organosiloxane polymers and a catalyst and are useful for formulating cosmetics and personal care products.

The invention relates to organopolysiloxanes comprising (meth)acrylate groups, to a process for their preparation and to their use as radiation-curing coating materials.

The invention relates to a wear-resisting super-hydrophobic coating composition as well as a preparation method and application thereof. The composition is prepared from a nano-material dispersion solution and a binding material dispersion solution. The nano-material dispersion solution is prepared by mixing a nanoparticle material, a hydrophobic silane coupling agent and a volatile solvent, wherein nanoparticles form a rough structure with a micro-nano dual scale through a mutual effect of the nanoparticles and the structure is dispersed in the solution of the hydrophobic silane coupling agent; the hydrophobic silane coupling agent has one or more groups and covalent bond connection is formed by the hydrophobic silane coupling agent and the micro-nano dual rough structure; meanwhile, thewear-resisting super-hydrophobic coating composition at least contains one hydrophobic group. A super-hydrophobic coating layer formed by the super-hydrophobic coating composition keeps a long-term effective super-hydrophobic property; the coating composition adopts a binding material so that the binding force between a super-hydrophobic structure and a matrix is enhanced and the protection effectof the coating layer is enhanced; a processing technology of the super-hydrophobic coating layer is simple and convenient and large-area construction is facilitated.

The present invention relates to the production of texturized microcrystalline cellulose from raw pulp material. This texturized microcrystalline cellulose can then be used for surface treatment of paper or paper board. Additionally, the texturized microcrystalline cellulose may be used as a starting material for production of paper or paper board.

Disclosed herein is a multilayer silicone release surface comprising a backing, a support layer on the backing, and a silicone layer of the support layer. The various layers of the multilayer release surface are deposited substantially simultaneously, as for example by a dual die or using curtain coating techniques.

The present invention relates to the production of texturized microcrystalline cellulose from raw pulp material. This texturized microcrystalline cellulose can then be used for surface treatment of paper or paper board. Additionally, the texturized microcrystalline cellulose may be used as a starting material for production of paper or paper board.

The present invention relates to a coated fiber based substrate comprising a dispersion coating wherein said dispersion coating comprises microfibrillated cellulose and colloidal particles of a polymer. The invention further relates to a package formed from said substrate, a dispersion coating and process for the production of mentioned substrate.

Spirally wound single-ply web products having a chemical additive applied to at least one surface exhibit desirable roll bulk characteristics and softness properties. The rolled products can be made from a single-ply tissue web formed according to various processes. Once formed, the web is subjected to a shear-calendering device that increases the Fuzz-On-Edge properties of the web and preserves the bulk of the web when wound. The shear-calendered web then has a chemical additive applied to at least one surface by a non-compressive application method helping to maintain the Fuzz-On-Edge properties of the web.

A silane composition for preparing a semiconductor thin films of a solar cell is disclosed. The silane composition contains a polysilane compound represented by the formula Si_nR_m (n is an integer of 3 or more, m is an integer of n to (2n+2) and an m number of R's are each independently a hydrogen atom, alkyl group, phenyl group or halogen atom, with the proviso that when all the m number of R's are hydrogen atoms and m=2n, n is an integer of 7 or more), and at least one silane compound selected from cyclopentasilane, cyclohexasilane and silylcyclopentasilane.

The invention relates to a radar aluminum plating transfer coating suitable for a seamless molding process and a preparation method thereof. The coating comprises the following components in percentage by weight: 0 to 4 percent of amino resin, 0 to 15 percent of cellulose ester resin, 3 to 28 percent of polyacrylate resin, 0 to 10 percent of nitro-cotton resin, 0 to 6 percent of vinyl acetate chlorate resin, 0 to 2.8 percent of additive, and 70 to 85 percent of solvent. The preparation method comprises the following steps of: adding the solvent and the resin components into a reaction kettle; stirring the mixture and then adding the additive into the mixture; and after adjusting the solid content and the viscosity, continuously stirring, cooling and filtering the mixture to obtain a product. Compared with the prior art, the radar aluminum plating transfer coating has the advantages of high production efficiency, low energy consumption, good process adaptability, good molding effect, easy elimination of seams, easy control of production, high smoothness degree, temperature resistance, good flexibility and the like.

Compositions such as filled and coated papers may include microfibrillated cellulose and inorganic particulate material.

A curable silicone rubber composition comprising (A) a vinyl-containing organopolysiloxane, (B) an organohydrogenpolysiloxane, (C) an aluminum chelate catalyst, (D) a platinum catalyst, and (E) a tackifier establishes a sufficient bond strength to packaging materials including difficult-to-bond thermoplastic resins such as polyphthalamide resins and liquid crystal polymers and to electrodes of metals such as Ag, Au, Ni and Pd, and forms a transparent cured part. A semiconductor device encapsulated with the cured composition is reliable.

The invention relates to a laser aluminized transfer coating suitable for use in gravure and a preparation method thereof. The coating comprises the following components in part by weight: 4 to 26 parts of polyacrylate resin, 0 to 6 parts of vinylit resin, 0 to 5 parts of modified styrol resin, 0 to 12 pars of cellulose ester resin, 0 to 3.2 parts of assistant and 70 to 83 parts of solvent. The preparation method comprises the steps of: firstly, dissolving the resin in the solvent; secondly, filling the assistant in a reactor; and finally, stirring, cooling and filtering the mixture to obtain the final product. Compared with the prior art, the laser aluminized transfer coating can be directly printed and the product has the advantages of simple use process, low production cost, high surface finish, good smoothness, high wearing resistance and high-temperature resistance and wide use range.

A composition includes: (I) a polyorganosiloxane fluid having an average of at least two unsaturated organic groups per molecule, (II) an organohydrogenpolysiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule, (III) a hydrosilylation catalyst; and (IV) a fluoroorganosilicone.

The invention relates to a water-based temperature resistant single-coating transfer laser aluminizing paint and a preparation method thereof; the paint includes the following components (by weight portion): 30-40 portions of water-based resin, 10-20 portions of temperature resistant water-based resin, 0-5 portions of water-based inorganic filler, 10-20 portions of cosolvent, 18-40 portions of deionized water, 0.2-0.3 portion of pH value regulator, 0.1-0.5 portion of wetting agent, 0.1-0.2 portion of leveling agent and 0.05-0.2 portion of defoamer; the resin component and the filler are loaded in a reactor to be stirred at low speed, and then pH value regulator, wetting agent, leveling agent and the defoamer are added to the reactor, and the mixture is stirred and filtered to obtain the product. Compared with prior art, the invention has advantages of environmental protection, lower cost, good printing adaptability, broader range of proper mould pressing temperature, and good mold pressing effect and can directly replace the solvent and water-based transfer laser aluminizing paint in prior art.

The invention relates to a single-coating aluminum plating transfer coating suitable for gravure and a preparation method thereof. The coating comprises the following components in percentage by weight: 0 to 6 percent of vinyl acetate chlorate resin, 8 to 25 percent of acrylic resin, 0 to 12 percent of cellulose resin, 0 to 1 percent of auxiliary agent, and 70 to 85 percent of solvent. The preparation method comprises the following steps of: preparing materials, and then adding the solvent, the resin components and the auxiliary agent into a reaction kettle; controlling the stirring speed, the reaction temperature, the solid content and the viscosity; and performing cooling and filtering to obtain a final product. Compared with the prior art, the single-coating aluminum plating transfer coating has a simple production process, a high production efficiency, less energy consumption and a low cost; an printing ink has good levelling on the surface of a coating layer, has no lifting, and is difficult to generate alligator cracks and expose colors; and a piece of aluminized paper has good surface flatness, high metallic luster, good smoothness and good abrasion resistance, and contains no industrial forbidden solvents such as a triphen type solvent and the like.

The invention relates to a method for manufacturing a biodegradable composition containing nano-particles of cellulose for forming a protective coating on natural materials. It is an object of the invention to provide a composition for forming a protective coating layer on a biodegradable natural material that imparts to the material improved waterproofing and grease-resistant properties. It is another object to provide a composition for forming a protective coating on natural biodegradable materials that is based on the use of nano-cellulose particles and that protects these materials from swelling, warping, and mechanical damage during contact with water, other aqueous liquids, or grease.

The invention discloses air filter paper and a preparation method thereof. The preparation method includes the following steps: (1), preparing a piece of bottom paper; (2), preparing carbon nanomaterial dispersion mixed liquid; (3), arranging the bottom paper on a former, conveying the carbon nanomaterial dispersion mixed liquid to the former, enabling the carbon nanomaterial dispersion mixed liquid to be filtered and formed on the bottom paper, then sizing and drying to obtain the air filter paper. According to the invention, a simple filtering method is adopted to directly load the carbon nanomaterial on the inner fiber of a filtering medium, the preparation technology is simple, the cost is low, the pollution is avoided, and the large-scale production and application of the carbon nanomaterial in the air filtering field can be realized; the prepared air filter paper is high in filtering efficiency, low in filtering resistance, not only can filter particulate pollutants, but also can remove chemical pollutants and virus in the air.