Abstract:
Coating compositions that can provide grease and oil resistant coating for substrates, especially paper and textile substrates, are disclosed. The coating compositions comprise water insoluble α-(1,3→glucan) polymer and/or dextran polymer and optionally other additives.
Abstract:
La présente invention concerne un papier comportant : - un substrat fibreux, - une précouche comportant un liant et un mélange de charge(s) lamellaire(s) de facteur de forme d'au moins 15 et de charge(s) plus fine(s) dont la taille des particules est à 80% en poids inférieure à 2 μm (mesurée selon la méthode Sédigraph ISO 13317-3), - au moins une couche de recouvrement appliquée sur la précouche, le papier présentant une perméabilité à la vapeur d'eau d'au plus 150 g/m 2 /24h et de préférence inférieure à 100g /m 2 /24h, mesurée selon la norme ASTM F 1249 dans des conditions dites tropicales de 38°C et 90% d'humidité relative.
Abstract translation:本发明涉及一种纸,包括:纤维基材; 包括粘合剂和具有至少15的形状因子的片状填料的混合物的预涂层和具有小于2μm的浓度为80重量%的粒度的更细的填料(测量的 使用SediGraph技术根据ISO 13317-3); 和至少一层施加到预涂层上的涂层,所述纸的水蒸汽透过度至多为150g / m 2 / 24h,优选小于100g / m 2 / 24h,根据ASTM F 1249,在所谓热带条件下 38°C和90%相对湿度。
Abstract:
A composition for coating paper includes at least one pigment selected from the group consisting of polymeric pigments, aluminosilicates, calcium carbonate, titanium dioxide, talc, barium sulfate, zinc oxide, aluminum trihydrate, amorphous silica and silicates; wherein the pigment is dispersed in an aqueous dispersion of a polymeric binder that is a copolymer of vinyl acetate, ethylene, at least one ethylenically unsaturated sulfonic acid or salt thereof and optionally one or more other monomers, wherein vinyl acetate units constitute in a range of 70-90 wt% of the polymeric binder and ethylene units constitute in a range of 10-30 wt% of the polymeric binder; and wherein the polymeric binder has a mean particle size in a range from 0.1 μιτι to 0.3 μητι and the optional one or more other monomers do not include any N-(C 1 - 4 ) alkylol (meth)acrylamide; and wherein the aqueous dispersion of the polymeric binder is free of alkylphenol ethoxylate surfactants and includes a nonionic surfactant component consisting of a polyethylene oxide/polypropylene oxide block copolymer and optionally one or more other nonionic surfactants, and optionally includes an anionic surfactant component consisting of one or more anionic surfactants.
Abstract:
Disclosed herein are paper pulp-based materials that are reinforced with reprocessable alkyd resins, which are formed in situ with the materials. Also disclosed herein are methods for coating paper pulp-based materials with alkyd resins, and methods of recycling alkyd resin coated paper pulp-based materials.
Abstract:
A latex binder for a pigmented paper coating, the latex including particles of an emulsion copolymer comprising (i) from about 15 to about 35 weight % mer units deriving from the polymerization of acrylonitrile; (ii) from about 25 to about 65 weight % mer units deriving from the polymerization of conjugated diene monomer; and (iii) from about 5 to about 55 weight % mer units deriving from the polymerization of alkenyl aromatic monomer, based upon the total weight of the mer units within the particle.
Abstract:
The invention relates to a printing substrate for gravure and offset printing, which substrate exhibits a Cobb(w15) water absorption value below 15 g/m2, preferably below 12 g/m2, a Cobb(o,C10) oil absorption value below 1.2 g/m2, preferably below 1 g/m2, and an Ink setting below 0.5, preferably below 0.3. The low water and oil absorption in combination with the quite fast ink setting of the substrate according to the invention gives rise to a printed substrate with improved printing qualities.
Abstract translation:本发明涉及一种用于凹版印刷和胶版印刷的印刷基材,该基材的Cobb(w15)吸水值低于15g / m 2,优选低于12g / m 2,低于1.2g的Cobb(o,C10)油吸收值 / m 2,优选低于1g / m 2,油墨设定低于0.5,优选低于0.3。 与根据本发明的基材的相当快的油墨设置相结合的低吸水性和吸油性产生具有改进的印刷质量的印刷基材。
Abstract:
Die Erfindung betrifft ein Laminat, dessen oberste Schicht ein mit einem Aminoplastharz imprägniertes Papier und oberflächenmodifizierte Silika-Nanopartikel aufweist. Erfindungsgemäß ist vorgesehen, dass die oberflächenmodifizierten Silika-Nanopartikel an ihrer Oberfläche mindestens ein Silan aufweisen, welches mindestens eine funktionelle Gruppe trägt. Die Erfindung betrifft ferner Verfahren zur Herstellung eines derartigen Laminats.
Abstract:
Gypsum aqueous suspensions having Brookfield viscosity at 25°C and 10 rpm comprised between 100 and 1,000 mPa * s containing: a. from 60 to 85% by weight of calcium sulfate dihydrate (Ca 2 SO 4 .2H 2 O); b. from 0.1 to 2.0% by weight of a polynaphthalene sulfonate or of an acrylic sulfonated polymer; c. from 0.1 to 2.0% by weight of an organic polyphosphonate are useful for the preparation of coating colour compositions and of matt coated paper.
Abstract translation:在25℃和10rpm下具有布鲁克菲尔德粘度的石膏水性悬浮液包含在100和1000mPa之间的含有:a。 60至85重量%的硫酸钙二水合物(Ca 2 SO 4 SO 2·2H 2 O); 湾 0.1至2.0重量%的聚萘磺酸盐或丙烯酸磺化聚合物; C。 0.1至2.0重量%的有机聚膦酸盐可用于制备涂料着色组合物和无光泽涂布纸。
Abstract:
La présente invention concerne le secteur technique des suspensions de matières minérales, et avant et/ou après séchage leurs applications dans les domaines du papier, de la peinture et après séchage des matières plastiques. Elle concerne également l'utilisation d'un copolymère disposant d'au moins une fonction alkoxy ou hydroxy polyalkylène glycol greffée sur au moins un monomère insaturé éthylénique, comme agent améliorant la brillance du produit final et notamment la brillance au niveau de la feuille de papier, quel que soit l'angle de vision.