Abstract:
The invention relates to pressed articles that are produced of cellulose staple fibers and are easy to dose, to the use thereof for producing composite materials by admixing them to a polymer melt and to a method for producing said pressed articles, wherein the staple fibers are pressed through the molding channels of a molding device.
Abstract:
A method of preparing a laminate having increased peel strength and solvent resistance which involves (A) applying an adhesive composition to a surface of a first sheet; (B) exposing the adhesive composition on the surface of the first sheet to incoherent, pulsed ultraviolet radiation from a dielectric barrier discharge excimer lamp; (C) bringing a surface of a second sheet in contact with the adhesive composition-bearing surface of the first article; and (D) allowing the adhesive composition to cure. The incoherent, pulsed ultraviolet radiation has a single narrow wavelength band within the range of from about 260 to about 360 nanometers. The adhesive composition includes from about 94 to about 60 percent by weight of a cycloaliphatic diepoxide, from about 1 to about 10 percent by weight of a cationic photoinitiator, and from about 5 to about 30 percent by weight of a vinyl chloride-vinyl acetate-vinyl alcohol terpolymer, all based on the weight of adhesive composition. The sheets desirably are films and nonwoven webs composed of cellulosic fibers, polyolefin fibers, or a mixture of cellulosic fibers and polyolefin fibers. The method is particularly well suited for the preparation of such laminates as industrial wipers, workwear, medical fabrics, and the like.
Abstract:
A nonwoven trough (12) and method of construction thereof are provided. The nonwoven trough includes at least one nonwoven wall (14) formed from a mixture of bonded natural cellulosic fibers and thermoplastic fibers. The at least one nonwoven wall extends along a longitudinal axis (19) and has a midsection (18) and opposite end portions (20, 20'). The midsection has a base (22) and a pair of walls extending upwardly from the base to provide the midsection with a generally U-shaped cross-section taken generally transversely to the longitudinal axis. At least one flange (30) extends laterally from the at least one nonwoven wall, wherein the flange is configured for attachment to a vehicle member.
Abstract:
A composite material comprising an elastomer and nanocellulose. The nanocellulose may compirse a nanocellulose material derived from plants having C4 leaf anatomy, or a nanocellulose material derived from a plant material having a lesser amount of lignin than hemicellulose, or a nanocellulose having a hemicellulose content of from 25% to 55% by weight of the nanocellulose material, or a nanocellulose comprising nanofibrils having a diameter of up to 5nm, or a nanocellulose comprising nanocellulose material of plant origin comprising nanocellulose particles or fibres having an aspect ratio of at least 250, or the composite material having a stiffness of not greater than 2.5 times the stiffness of the elastomer without the nanocellulose material being present, or the nanocellulose particles or fibres being derived from a plant material having a hemicellulose content of 30% or higher (w/w). The nanocellulose may be derived from arid Spinifex.
Abstract:
The present relates to a process for incorporating of wet natural fiber and starch into thermoplastics and the composite produced. The process for producing the composite comprises steps of: providing a wet natural fiber; providing a starch; providing a plasticizer; providing a thermoplastic; mixing the wet natural fiber, the starch and the plasticizer with water to produce a paste, and compounding the paste with the thermoplastic to produce the composite. The composite in a preferred embodiment comprises 50 weight % natural fiber/starch and a plasticizer; 50 weight % thermoplastic; a tensile modulus greater than 1450 MPa and a tensile strength greater than 41 MPa.
Abstract:
Die vorliegende Erfindung betrifft neue und verbesserte Lignocellulosewerkstoffe, die A) 30 bis 98,99 Gew.-% ein- oder mehrere lignocellulosehaltige Stoffe, B) 0,01 bis 50 Gew.-% mikrofibrillierte Cellulose, C) 1 bis 50 Gew.-% eines Bindemittels, ausgewählt aus der Gruppe bestehend aus Aminoplastharz, Phenolformaldehydharz, organischem Isocyanat mit mindestens zwei Isocyanatgruppen oder deren Gemischen, gegebenenfalls mit einem Härter, D) 0 bis 25 Gew.-% expandierte Kunststoffteilchen mit der Schüttdichte im Bereich von 10 bis 150 kg/m 3 , und E) 0 bis 68Gew.-% Additive enthalten.
Abstract:
The present invention relates to a composition comprising: a) polystyrene, said polystyrene comprising polybutadiene; b) vegetal fibers having a length lower than 50 µm; and c) at least one compatibility agent comprising a polybutadiene maleic anhydride copolymer, said copolymer comprising at least 17% by weight of the copolymer of maleic anhydride. Said composition is used for manufacturing a plastic composition. The invention also relates to a plastic composition obtainable by heating said composition. The invention also relates to a sheet obtainable by extruding said plastic composition. Finally, the present invention relates to a container obtainable by thermoforming said sheet.
Abstract:
An endless conveyor belt loop includes a conveyor belt that has an elongated body and a substantially uniform width. The ends of the conveyor belt each include a splice formation extending across the width of the conveyor belt that are each configured to mate with the other. A thermoplastic connector is thermally engaged between exposed surfaces formed by the splice formation at the ends of the conveyor belt. When the splice formations are aligned, the thermoplastic connector is thermally engaged and continuously interconnected between the ends for conveyor belt to form a seamless end connection. The thermoplastic connector comprises a thermoplastic copolyester elastomer.
Abstract:
A sheet manufacturing method includes defibrating a defibration object in the atmosphere, mixing, in the atmosphere, additive agents including resin into a defibrated material that has been defibrated, adjusting moisture of a mixture of the defibrated material and the additive agents, and heating the mixture that has been moisture-adjusted.
Abstract:
A joined body includes: a first compact that includes a fiber-reinforced resin and a fiber exposure portion where a fiber of the fiber-reinforced resin is exposed, the fiber exposure portion being formed on at least a part of a surface of the first compact; a second compact that is joined to the first compact at the fiber exposure portion of the first compact; and a joint portion that is interposed between the fiber exposure portion of the first compact and the second compact.