Abstract: The present invention relates to anionically modified microfibrillated plant fibers used for obtaining a thermosetting resin molding material having excellent mechanical strength, a method for manufacturing the same, a molding material containing the anionically modified microfibrillated plant fibers and a thermosetting resin, and a method for manufacturing the same. Specifically, the present invention provides a molding material containing anionically modified microfibrillated plant fibers that are anionically modified in the presence of a base by a carboxylic acid represented by formula (I): X—(CH2)n—COOH (I), wherein X represents halogen and n is 1 or 2, and/or by a salt thereof, and a thermosetting resin, and the molding material contains the anionically modified microfibrillated plant fibers in an amount of 10 to 900 parts by weight per 100 parts by weight of the thermosetting resin.

Abstract: A method for extending resin-based wood glues, particularly condensation polymer resin-based glues, comprises the steps of (i) providing an aqueous extender composition comprising 20% to 50% by weight of alkali metal silicate and 1% to 25% by weight of polyhydric alcohol, preferably a sugar such as sucrose, (ii) providing a solution comprising a resin and (iii) blending the aqueous extender and the solution together to form a glue. The extended glues are suitable for preparing water resistant processed wooden panels such as plywood or chipboard with reduced need for resin. The extended glues do not set excessively rapidly, allowing time for the processing of the wood composites.

Abstract: The present invention refers to an adequate composite material to be prepared by an injection process and to an injection process of a composite material. In accordance with the process of the present invention, the composite material is prepared by carrying out the steps of (i) making the length of the natural fibers uniform; (ii) treating the surface of the natural fibers and of the lignocellulosic residues, if present; (iii) premixing the components of the composite; (iv) extruding and granulating the composite material; and (v) injection molding the material of the composite for the conformation of the parts.

Abstract: A method of improving retention and drainage in a papermaking process is disclosed. The addition of an associative polymer, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry to improve retention and drainage is disclosed. Additionally a method to improve retention and drainage comprising addition of an organic microparticle, a poly(vinylamine) and optionally a siliceous material to the papermaking slurry is disclosed. A composition comprising an associative polymer, and a poly(vinylamine) and optionally further comprising cellulose fiber is disclosed.

Abstract: The invention provides a composition comprising a polyolefin and a polyorganosiloxane in which at least 50 mole % of the siloxane units are D units as herein defined and which contains at least one unsaturated group, characterized in that the unsaturated group is group of the formula —X—CH?CH—R? (I) or —X—C?C—R? (II), in which X represents a divalent organic linkage having an electron withdrawing effect with respect to the —CH?CH— or —C?C— bond and/or containing an aromatic ring or a further olefinic double bond or acetylenic unsaturation, the aromatic ring or the further olefinic double bond or acetylenic unsaturation being conjugated with the olefinic unsaturation of —X—CH?CH—R? or with the acetylenic unsaturation of —X—C?C—R? and R? represents hydrogen or a group having an electron withdrawing effect or any other activation effect with respect to the —CH?CH— or —C?C— bond.

Abstract: A semi-finished product is disclosed including fibrous materials, binders, 15 to 90% by volume metal fillers, and 0 to 15% by volume non-metal inorganic fillers. The total content of the fillers is not more than 90% by volume of the semi-finished product. The invention further relates to metal materials and processes for manufacturing the materials and semi-finished products and uses thereof.

Abstract: The invention relates to a light, single-layer derived timber product board which is distinguished by having a bulk density of below 500 kg/m3 and consisting of a mixture of crushed and sliced chips. Furthermore, the invention relates to a method for the production of such a light, single-layer derived timber product board.

Abstract: According to the invention blends of wood particles and plant particles and plastic are generated in an extruder thereby that the plastic is converted separately into a liquid melt before the joining takes place.

Abstract: A method to produce a building panel comprising a decorative surface layer, a core and a balancing and/or protective layer is disclosed.

Abstract: A method of manufacturing a separate and continuous layer being essentially uncured. The method includes applying a powder mix including fibres and a thermosetting binder on a carrier, forming a powder mix layer, wherein the powder mix is connected together such that the powder mix layer is obtained and wherein the powder mix layer is essentially uncured, and releasing the powder mix layer from the carrier. Also, a layer and a method for manufacturing a building panel.

Abstract: One aspect of the invention relates to hardwood lignin derivatives having an aliphatic hydroxyl content of from about 5.2 mmol/g to about 7 mmol/g lignin, and the preparation method thereof. The lignin derivatives have a desired antioxidant activity characterized by the normalized radical scavenging index (RSI). Another aspect of the invention relates to compositions comprising the hardwood lignin derivative. Another aspect of the invention relates to a use of the hardwood lignin derivatives comprising incorporating the hardwood lignin derivatives into polymer compositions.

Abstract: The use of water redispersible thermoplastic polymer powder stabilized with protective colloid as a binder in cork products produced from cork flour or granules allows use of reduced amounts of binder without compromising physical properties.

Abstract: Composition of thermoplastic composites, manufacturing process and resulting products refers to thermoplastic composites, manufacturing processes and the resulting products applied in the wood plastic composites industry (WPC), for example, by optimizations in composition, in manufacturing and in resulting products, obtaining products for use as structure and/or finishing with excellent physical and chemical characteristics, bringing improvement advantages in the fiber-matrix adhesion, improvement in mechanical properties, reduced water absorption decreasing the use of protective additives against fungi and pests and decreasing the cost of raw materials.

Abstract: An aqueous reaction product of a composition that may consist essentially of a source of an acid having a pKa in water of about 2 to about 8, a source of a base having a pKb in water of about 2 to about 6, and urea. A curable urea/formaldehyde resin composition may contain a curable urea/formaldehyde resin and the foregoing composition, and may be made by combining the resin with the composition. A reconstituted wood product may be made by combining particulate lignocellulosic material with the foregoing curable resin, and curing the resin. Optionally, a reconstituted wood panel may contain a particulate lignocellulosic material and a binder composition comprising the cured product of curable resin and the aforesaid aqueous reaction product. A concentrate for forming a polymerization enhancing composition is also disclosed.

Abstract: This invention provides a polyolefin-based molded article containing microfibrillated plant fibers having high strength and high elastic modulus. Specifically, the present invention provides a composition comprising (1) a polymeric compound having a primary amino group, (2) a polymeric compound modified with maleic anhydride, (3) microfibrillated plant fibers, and (4) a polyolefin; and a molded article obtained by subjecting the composition to heat treatment.

Abstract: A composition comprising 65 to 90 weight percent kraft chemical wood pulp fibers and a thermoplastic polymer and a method of making the composition.

Abstract: A particle or particles of cellulosic wood pulp fibers having a top and bottom face and a hexagonal perimeter, and methods of using it.

Abstract: A composition that employs a coupling agent with a fluoropolymer processing aid to address melt-processing issues related to the use of interfering components in melt-processable polymeric binders.

Abstract: A speaker diaphragm is configured by a compound mixed with resin and bamboo fiber. The diaphragm satisfying the advantage of the bamboo fiber of high sound quality and a large degree of freedom in the setting of the characteristic value of the diaphragm and the advantage of the diaphragm made of a resin with improved humidity resistance reliability and strength, excellent external appearance, and enhanced productivity and dimension stability is obtained.

Abstract: The present invention relates to a mix to manufacture a rock sheet on a solid base useful for decorating purposes. The mix includes a binding composition of an agglutinating agent comprising volcanic rock particles having a particle size of 1 to 5 microns and a polymer mixture in a combined amount sufficient to act as a binder for other components of the laminate; a silicate compound in an amount sufficient to stabilize the composition; and water in an amount to moisten and fluidize the composition. The mix can contain other components for forming laminates or shapes, and can be formed as or on a plate useful for building and decorating buildings made-up by a rock sheet manufactured with the aforementioned mix and a solid base. The methods for preparing the aforementioned mix and plates useful for the construction and decoration of construction surfaces are also disclosed.

Abstract: A compatibilizer blend having at least one compatibilizer and at least one desiccant to address the presence of certain interfering components, such as water, in a polymeric matrix.

Abstract: A speaker diaphragm is configured by a compound mixed with resin and bamboo fiber. The diaphragm satisfying the advantage of the bamboo fiber of high sound quality and a large degree of freedom in the setting of the characteristic value of the diaphragm and the advantage of the diaphragm made of a resin with improved humidity resistance reliability and strength, excellent external appearance, and enhanced productivity and dimension stability is obtained.

Abstract: The present invention relates to two-part, curable, (meth)acrylic adhesives containing naturally occurring fillers which inhibit free radical cure, such as wood flour, and oxygen scavenging components. Also provided are methods of preparing such adhesive compositions and methods of bonding substrates together with such adhesive compositions.

Abstract: An elastomeric, non-aqueous coating composition that includes biobased materials in a solvent system for application to the exterior surface of a structure. The coating composition includes at least one tackifier, a block copolymer, at least one biobased material, and an organic solvent system. The coating composition has a VOC content of less than 250 g/L.

Abstract: Binder compositions and methods for making and using same are provided. The binder composition can include at least one polyamidoamine prepolymer and at least one copolymer. The copolymer can include one or more vinyl aromatic derived units, and one or more unsaturated carboxylic acids, one or more unsaturated carboxylic anhydrides, or a combination thereof. The copolymer can be modified by reaction with one or more base compounds.

Abstract: Thermoplastically processable PVC mixtures having enhanced stability are prepared by incorporating at least one stabilizer containing metal ions and a modified polyvinyl alcohol co-stabilizer.

Abstract: The present invention is directed to a method for preparing a cellulose reactive adduct of polyvinylamide and a composition resulting from the method. The preparation of the cellulose reactive adduct is carried out close to a Critical Concentration defined herein. When the reaction is run close to this Critical Concentration, the risk of gelation is minimized, consumed glyoxal is maximized, and shelf live is enhanced. Additionally, the glyoxalated vinylamides of the present invention impart improved wet and dry strengthening efficiency to paper and paperboard when compared to adducts disclosed in previously described art.

Abstract: A process for producing a composite product comprising fibres of a lignocellulosic material or natural fibres and a plastics material utilises a liquid or particulate binder formulation comprising a thermoset resin and a thermoplastic polymer, monomer, or oligomer. A composite product is formed for use as or in forming a feedstock in plastics manufacture may be broken down under heat and mechanical shearing in a plastics extrusion machine to release the major fraction of the fibres, or the product may be useful as an intermediate product in other form or as an end product.

Abstract: Methods and systems for processing waste materials and for manufacturing composite materials are disclosed herein. According to some embodiments, the heterogeneous waste includes a plastic component and a non-plastic component, and the non-plastic component includes a plurality of pieces of waste. The heterogeneous waste is heated to melt at least a portion of said plastic component and reducing a volume of said heterogeneous waste, and then mixed (e.g. by rotating a mixing chamber or by stirring) until at least some said pieces are each encapsulated by the melted plastic component. Upon cooling, the mixture optionally sets into a composite material. The presently disclosed invention does not require pre-sorting of the heterogeneous waste and is operative to process “as is” waste. Optionally, the waste is pre-sorted.

Abstract: A furan polymer impregnated wood which is uniform in color and density throughout the treated zone. In order to obtain the polymer impregnated wood, a parent wood has been impregnated with a mixture containing polymerizable organic compounds of at least furfuryl alcohol and one further compound. The invention also relates to a method for preparing a furan polymer impregnated wood and uses thereof.

Abstract: The invention relates to a wood substitute material for wood-encased pencils, comprising the following ingredients: 15-3.0% by weight of at least one polymeric binder, 50-80% by weight of at least one organic filler, 0-20% by weight of at least one inorganic filler, 0.5-5% by weight of at least one adhesion promoter, 1-30% by weight of at least one wax, 0-10% by weight of at least one color pigment, and 0-10% by weight of at least one additive, the at least one adhesion promoter forming a chemical bond between the at least one polymeric binder and the at least one organic filler, a ratio of the at least one adhesion promoter and the at least one wax in the range from 1:2 to 1:6 being formed, and the sum of organic and inorganic filler being not more than 80% by weight.

Abstract: A speaker diaphragm is configured by a compound mixed with resin and bamboo fiber. The diaphragm satisfying the advantage of the bamboo fiber of high sound quality and a large degree of freedom in the setting of the characteristic value of the diaphragm and the advantage of the diaphragm made of a resin with improved humidity resistance reliability and strength, excellent external appearance, and enhanced productivity and dimension stability is obtained.

Abstract: Provided is a wood fiber board, and a production method thereof, such that the wood fiber board contains no phenolic resin, is simple to produce, and exhibits flexural strength and water resistance comparable to those of wood fiber boards produced by incorporating a phenolic resin. The wood fiber board of the present invention has only wood fibers; a polyacrylamide resin being an amphoteric-ionic resin, which has monomers having cationic groups and monomers having anionic groups at a ratio of 7:3 to 3:7 on a mole ratio basis, and which has a molecular weight ranging from 800,000 to 3,000,000; and cationic paraffin. A method of producing a wood fiber board of the present invention involves preparing a slurry to a solids concentration ranging from 2 to 3 wt % and pH of 3 to 5, and adding only the polyacrylamide resin and paraffin to the slurry.

Abstract: Coated colored biofiber for thermoplastic articles is disclosed. The coating on the biofiber comprises film-forming polymeric binder, surfactant, and colorant. The colorant can be one or more pigments, one or more dyes, or combinations thereof. The coated colored biofiber can be used in thermoplastic compounds to simulate the appearance of natural wood while adding durability.

Abstract: The invention relates to a method for making light-weight dimensionally stable wood-thermoplastic composite material composed of wood chips and a thermoplastic polycaprolactone. The manufacturing process of composite material comprising the steps of compounding virgin materials with single-screw extruder and production of uniform homogeneous plate-like composite with calendering apparatus. The calendering process comprises of several cycles, folding, cooling and reheating steps. During the gentle manufacturing process fragile wood chips maintain their 3-D structural properties in polymer matrix resulting light, mechanically strong wood-plastic composite.

Abstract: The present invention relates to the field of processing thermoplastic polymers, particularly the present invention relates to a process for manufacturing compacted material suitable for the use in thermoplastic polymers without a compounding step, comprising the steps of a) providing at least one primary powder material; b) providing at least one molten surface treatment polymer; c) simultaneously or subsequently feeding the at least one primary powder material and the at least one molten surface treatment polymer into the high speed mixer unit of a cylindrical treatment chamber; d) mixing the at least one primary powder material and the at least one molten surface treatment polymer in the high speed mixer, e) transferring the mixed material obtained from step d) to a cooling unit, as well as the compacted material obtained by this process and its use in thermoplastic polymers.

Abstract: A method for forming a composite article includes injecting first and second compositions into a die head at different points so as to produce a partially mixed composition that is discharged from the die head. The second composition contains less filler material than the first composition.

Abstract: A high temperature resistant composite is disclosed that is made from modified ligno-cellulose and polymers, wherein the modified ligno-cellulose has a molar ratio of oxygen to carbon (O/C) from 0.3 to 0.6 and has a molar ratio of hydrogen to carbon (H/C) from 0.9 to 1.6 and the polymers belong to the group of thermoplastic polymers.

Abstract: A composite material in the form of a linear structure having a width, a length and a thickness, comprising a composite material with a first component formed by a polymer and a second component formed by a reinforcing material, wherein the first component comprises a thermoplastic polymer selected from the group of biodegradable polymers and mixtures thereof, and the second component comprises a woody material derived from platy or granular wood particles. The composite material being formable at a temperature of about 50 to 70° C. and it can be used as a blank for an orthopedic splint.

Abstract: A composite building material includes carpet waste having carpet fibers and adhesive, and an inorganic filler that includes fly ash. The composite building material may be produced by providing the carpet waste, mixing the carpet waste with the inorganic filler to produce a homogeneous blend, and forming the homogeneous blend into the composite building material. The composite building material may optionally include a base polymer, slack wax, and/or calcium carbonate.

Abstract: The invention relates to a method for production of wood material articles with low emissions of chemical compounds. The applied wood is treated with bisulfite before bonding. On using formaldehyde resins in the bonding agent, wood material articles can be produced with the inventive method with extremely low formaldehyde emissions and very bright colours.

Abstract: The invention is directed to a crumbly, water-absorbing, soil-like hydrogel. The hydrogel comprises finely comminuted mineral substances, such as igneous rock; water-soluble alkali-silicate; solid and liquid nutrient additives; and ballast, bound in a cross-linked polymer. The hydrogel is structured like a sponge and absorbs water and liquids when in contact with water or aqueous liquids. The mineral substances present in the hydrogel may be present in an amount of at least 30% by weight of the dried hydrogel. Also, the invention encompasses methods of producing acidic and neutral to weakly alkaline hydrogels.

Abstract: The present invention relates to plastic materials comprising lignin and poly (butylene succinate) (PBS) to methods of manufacturing those plastic materials and to articles obtained by molding the plastic materials of the invention. Since PBS can be obtained from renewable sources, the present invention also provides for bioplastic materials comprising lignin and PBS. The present invention also provides for plastic materials comprising lignin and PBS and at least one fiber and to articles obtained from those plastic materials that are degradable, compostable and recyclable.

Abstract: The present invention concerns a novel low-temperature thermoplastic wood-biopolymer composite comprised of small wood particles and a polycaprolactone (PCL) homopolymer for use in medical procedures including orthopedic casting or splinting. The material is made from a thermoplastic composite that softens when heated to approximately 60° C., after which it can be formed directly on the patient. The composite then retains its shape as it cools down. The material is composed of epsilon caprolactone homopolymer reinforced with discontinuous short length wood particles.

Abstract: A composite of a lignocellulosic material and a plastic is obtained by grafting an organosilane to the plastic, to obtain a grafted plastic; and compounding the grafted plastic with the lignocellulosic material, to obtain the composite.

Abstract: A speaker diaphragm is configured by a compound mixed with resin and bamboo fiber. The diaphragm satisfying the advantage of the bamboo fiber of high sound quality and a large degree of freedom in the setting of the characteristic value of the diaphragm and the advantage of the diaphragm made of a resin with improved humidity resistance reliability and strength, excellent external appearance, and enhanced productivity and dimension stability is obtained.

Abstract: Highly durable hydrophobic, oleophobic, and anti-icing coatings and methods of their preparation and use are described herein.

Abstract: The present invention provides a copolymer obtainable by condensation of i) 90 to 99.5 mol %, based on components i to ii, of succinic acid; ii) 0.5 to 10 mol %, based on components i to ii, of one or more C2-C8 dicarboxylic acids; iii) 100 mol %, based on components i to ii, of 1,3-propanediol or 1,4-butanediol, and having a DIN 53728 viscosity number in the range from 100 to 450 mL/g. The invention further provides a process for producing the copolymers, polymer blends comprising these copolymers and also for the use of these copolymers.

Abstract: This invention relates to a system for forming a composite from a cyanoacrylate composition and a filler within depressions, holes, cracks or spaces in a substrate. The system also allows for the placement of a cantilevered member in the filled depression, hole, crack or space in the substrate to support a load when the cyanoacrylate has cured.

Abstract: Copolymer are formed by polymerizing C4 to C7 isoolefin monomers and alkyl-styrene monomers. The method comprises first providing feed streams into a reactor. The various feed streams provide monomers, a polar diluent or polar diluent mixture, and a catalyst system into the reactor. In the reactor, the feed streams contact one another so that the monomers form a polymer in a stable slurry, wherein the amount of polymer in the slurry yields a slurry concentration greater than 22 wt %. The ratio of moles of polymer formed per mole initiator is in the range of 0.25 to 4.0 moles polymer per mole of initiator.