Class / Patent application number | Description | Number of patent applications / Date published |
162146000 | Synthetic (including chemically modified cellulose) | 49 |
20080245493 | Fiber board capable of capturing and decomposing aldehyde - A board capable of capturing and decomposing both formaldehyde and acetaldehyde comprises a wood fiber board comprising a plant fiber of 30 wt % or more, and an aldehyde capturing agent comprising at least carbodihydrazide which is impregnated and solidified inside the side of the fiber board. In addition to the wood fiber board, a fiber board made of a mixture material of a resin fiber and a plant fiber combined. A carbodihydrazide is sprayed onto the fiber board in the form of water solution and optionally comprises a surfactant. | 10-09-2008 |
20080302494 | REGENERATED COTTON BOARD MATERIAL AND METHOD OF MANUFACTURE - The present disclosure includes a regenerated cotton board material comprised of dry cut cotton lint fiber, and wood fiber. The regenerated cotton board material may further include non-cellulosic fibers such as synthetic fibers or other natural fibers. In an alternate embodiment, a cotton board material may be manufactured from a mixture of dry cut cotton lint fiber and a binder material. A method for forming a regenerated cotton board material according to the present disclosure includes forming an aqueous slurry fiber furnish from a combination of dry cut cotton lint fiber, and wood fiber. The fiber furnish is then wet processed, calendared to remove the bulk of the water, and dried. | 12-11-2008 |
20090120600 | Nano carbon crystal material and method of manufacturing electrothermal board by using the same - The present invention discloses a nano carbon crystal material and a method of manufacturing electrothermal board using the same, which is a crystal material and a method of using the facial heat generating body to overcome the present existing problems related to even temperature rise and heat dissipation at the surface of the carbon fiber electrothermal board, poor contact between the carbon fiber and the conducting band, poor insulation, and short life expectancy. The nano carbon crystal material is composed of acrylonitrile-based carbon fibers occupying 70˜80% of the total weight, nano carbon fibers occupying 1˜5% of the total weight and carbon crystals occupying 15˜29% of the total weight. After the nano carbon crystal material is mixed with a paper pulp and an adhesive is added, the electrothermal board produced under pressurized conditions will have the advantages of high stability, fast temperature rise, good insulation, and long life. In addition, the method of manufacturing the electrothermal board is simple, easy, and convenient, and thus is suitable for mass production to satisfy the requirements of production as well as our daily life. | 05-14-2009 |
20090159226 | Papers containing fibrids derived from diamino diphenyl sulfone - This invention relates to papers made with fibrids containing a polymer or copolymer derived from a monomer selected from the group consisting of 4,4′diaminodiphenyl sulfone, 3,3′diaminodiphenyl sulfone, and mixtures thereof. Such papers have high thermal stability and accept ink more readily than papers made solely with aramid fibrids. | 06-25-2009 |
20090159227 | Papers containing fibrids derived from diamino diphenyl sulfone - This invention relates to papers made with fibrids containing a polymer or copolymer derived from a monomer selected from the group consisting of 4,4′diaminodiphenyl sulfone, 3,3′diaminodiphenyl sulfone, and mixtures thereof. Such papers have high thermal stability and accept ink more readily than papers made solely with aramid fibrids. | 06-25-2009 |
20090165974 | Methods for blending dried cellulose fibers - Methods for blending first and second fibers to provide fiber blends that include blended fiber flocs composed of a substantially homogeneous blend of first and second fibers. | 07-02-2009 |
20090236064 | Paper Comprising Pipd Pupl and Process for Making Same - The invention concerns a paper comprising polypyridobisimidazole fibers, where the apparent density of the paper is from 0.1 to 0.5 g/cm | 09-24-2009 |
20090250181 | PAPER COMPRISING PIPD FLOC AND PROCESS FOR MAKING THE SAME - The invention concerns a paper comprising polypyridobisimidazole floc having a length of from 1.0 to 15 mm, where the apparent density of the paper is from 0.1 to 0.4 g/cm | 10-08-2009 |
20090288791 | Nonwoven having improved wet fastness and alkali resistance and cellulose hydrate-based food casing from said nonwoven - The invention relates to a wet-fast nonwoven, preferably a fiber paper, which comprises fibers from a cellulose-containing material and fibers from a thermoplastic material welded firmly together at their points of intersection. The fibers from the cellulose-containing material are preferably hemp fibers while the fibers from the thermoplastic material are preferably fibers from polypropylene, polyester or polyamide. The fibers are interlinked under the action of pressure and/or heat, especially using a pair of heated calender rolls. The nonwoven or the fiber paper is especially used to reinforce food casings based on regenerated cellulose, especially in artificial cellulose hydrate-based sausage skins. | 11-26-2009 |
20090308551 | Absorbent sheet prepared with papermaking fiber and synthetic fiber exhibiting improved wet strength - A wet-laid absorbent sheet includes a mixture of pulp-derived papermaking fibers and synthetic polymer fibers, a strength agent selected from carboxymethylcellulose and anionic starch as well as an epihalohydrin/amine functional wet strength resin. Also included is an anionic olefin copolymer resin effective to increase the wet/dry tensile ratio of the sheet. | 12-17-2009 |
20090321028 | Sheetlike products and works - This invention is to provide a sheet product that is excellent in moisture absorption amount, moisture absorption speed and moisture release speed and is capable of keeping a powder from falling off and that can have a large content of a moisture adsorbent, and the sheet product of this invention contains (a) a moisture adsorbent formed of a tubular or fibrous metal oxide, (b) a cellulosic fibrillated fiber, and (c) an organic fiber having a fineness of 0.01 dtex to 0.45 dtex and is characteristically produced by a paper-making method. | 12-31-2009 |
20100051221 | METHOD AND APPARATUS FOR MANUFACTURING A PRODUCT OF INTEGRATED CELLULOSE AND FIBROUS MATERIALS - A method and apparatus for manufacturing a product of integrated cellulose and fibrous materials. The method includes blending cellulose particles and polymeric fibres into a cellulose and polymeric fibre blend. The blend is heated to a temperature at which the polymeric fibres begin to melt and to bond with the cellulose particles, so as to form a product of integrated cellulose and fibrous materials. An apparatus for the method includes a first conveying means, a second conveying means, a blending means and a heating means. The apparatus further include a primary shredder and a secondary shredder for shredding the cellulose material, typically recycled newsprint, prior to mixing with the polymeric fibrous material. A shredder is also described. | 03-04-2010 |
20100065235 | FOOD WRAP BASE SHEET WITH REGENERATED CELLULOSE MICROFIBER - A base sheet for food wrap products. The base sheet can include a pulp-derived papermaking fiber and a fibrillated regenerated cellulose microfiber having a CSF value of less than about 175 mL. | 03-18-2010 |
20100139877 | METHOD OF FORMING A REINFORCED PARCHMENTED NONWOVEN PRODUCT, AND THE PRODUCT - This specification is generally related to reinforced, parchmented paper, composite, reinforced parchmented paper and methods of manufacture thereof. The reinforced, parchmented paper may be used to form a sausage casing. | 06-10-2010 |
20100155005 | PAPER BASED ON RECYCLED PAPERS AND PROCESS FOR PRODUCING THEREOF - A paper produced according to this invention presents a composition of 10% by weight to 40% by weight of recovered post-consumer paper; 60% by weight to 90% by weight of recovered white paper; 0.38% by weight to 0.45% by weight of one or more sizing agents, and 3.33% by weight to 3.95% by weight of one or more binding agents. The method for producing paper that comprises the steps of forming a paper pulp from a mixture of 10% by weight to 40% by weight of recovered post-consumer paper, 60% by weight 90% by weight of recovered white paper, and 0.38% by weight to 0.45% by weight of one or more binding agents; reacting the pulp mixture with 0.38% by weight to 0.45% of one or more of sizing agents, and 0.75% by weight to 0.9% by weight of one or more binding agents; forming and drying a continuous sheet of paper from the pulp mixture, and reacting the continuous sheet of paper with 2.2% by weight to 2.6% by weight of one or more binding agents. | 06-24-2010 |
20100170649 | PROCESS FOR MANUFACTURING POLY(LACTIC ACID) BIO-COMPOSITES.... - Disclosed is a method for manufacturing bio-composites, in which biodegradable poly(lactic acid) (PLA) fibers are mixed, optionally along with general-purpose polypropylene fibers, using a carding process, and compression molded into bio-composites which overcome the problems of the PLA bio-composites manufactured by injection molding, and the PLA bio-composites manufactured thereby. | 07-08-2010 |
20110168342 | SOFT AND STRONG FIBROUS STRUCTURES AND METHODS FOR MAKING SAME - Soft and strong fibrous structures and more particularly soft and strong fibrous structures that contains less softwood fibers than known fibrous structures and methods for making such soft and strong fibrous structures are provided. | 07-14-2011 |
20110174452 | BASE PAPER OF ARAMID FIBER HONEYCOMB CORE AND MANUFACTURING METHOD THEREOF - A base paper of aramid fiber honeycomb core and its manufacturing method are provided. The base paper comprises 11-90 parts by weight of structural fiber, 10-70 parts by weight of crosslinking fiber, and 0-19 parts by weight of additive fiber, wherein the structural fiber is poly(p-phenylene terephthal amide) fiber, the crosslinking fiber is poly(m-phenylene isophthal amide) fibrid, and the additive is polyester fiber. | 07-21-2011 |
20110220310 | ABSORBENT ARTICLE COMPRISING A FIBROUS STRUCTURE COMPRISING SYNTHETIC FIBERS AND A HYDROPHILIZING AGENT - An absorbent article comprising a nonwoven fibrous structure comprising a plurality of synthetic fibers. The synthetic fibers may be associated with one or more hydrophilizing agents. A process for making the nonwoven fibrous structure involves association of the synthetic fibers with one or more hydrophilizing agents. | 09-15-2011 |
20120024488 | PAPER PRODUCT - The invention relates to a supercalendered paper product comprising first cellu-losic fibres and a gypsum-fibre composite product as a filler pigment or coating pigment, wherein the gypsum in the gypsum-fibre composite product appears as crystals on the surface of the fibre, and wherein the gypsum crystals are obtained by contacting calcium sulphate hemihydrate and/or calcium sulphate anhydrite and an aqueous second fibre suspension. The invention also relates to a process for producing a supercalendered paper product. | 02-02-2012 |
20120055642 | IMPROVING THE STRENGTH OF PAPER AND BOARD PRODUCTS - The present invention concerns a paper or board product with an improved tensile strength comprising cellulose fibres, one or more zirconium carbonate compound(s) and water-insoluble polyvinyl alcohol fibres, and a process for manufacturing such a product, comprising the steps of forming a combined aqueous suspension of cellulose fibres and water-insoluble polyvinyl alcohol fibres, and pressing it into a paper or board product, or pressing layers of water-insoluble polyvinyl alcohol fibres and cellulose fibres into a product having a sandwich-structure, and treating the product before drying with an aqueous solution of a zirconium carbonate compound by impregnating one or more of the surfaces of the product or the complete product with the solution. | 03-08-2012 |
20120080155 | WATER DISINTEGRATABLE FIBROUS SHEET - To provide a water disintegratable fibrous sheet with high water disintegratability and wet strength, that can be used as a cleaning sheet. A prescribed water disintegratable fibrous sheet comprising 30-50% by mass of unbeaten pulp (a) with a beating degree of 700 cc or greater; 20-40% by mass of beaten pulp (b) with a beating degree of 400-700 cc; 15-45% by mass of regenerated cellulose (c) with a beating degree of 700 cc or greater; and 2-15% by mass of fibrillated purified cellulose (d) with a beating degree of 0-400 cc. | 04-05-2012 |
20120145345 | MANUFACTURING METHOD OF PAPER MAKING PART FOR LOUDSPEAKER, PAPER MAKING PART FOR LOUDSPEAKER, DIAPHRAGM FOR LOUDSPEAKER, SUB CONE FOR LOUDSPEAKER, DUST CAP FOR LOUDSPEAKER AND LOUDSPEAKER - A manufacturing method of a paper making part for a loudspeaker has freedom of adjusting a characteristic and a sound quality, and has a higher productivity. Accordingly, a fibrillating step of a paper making material is achieved by an explosive crushing step. Alternatively, the step is achieved by a mixing step of a paper making material and a liquid, a material micro-fabricating step of applying a pressure to a mixed solution obtained by the mixing step so as to pass through an orifice and thereafter run into a device wall, and a paper making step including the micro-fabricated material. | 06-14-2012 |
20120175074 | NONWOVEN ARTICLE WITH RIBBON FIBERS - Ribbon fibers, nonwoven articles derived therefrom, and their process of manufacture are provided. The ribbon fibers are derived from multicomponent fibers having a striped configuration and have a length of less than 25 millimeters, a minimum transverse dimension of less than 5 microns, and a transverse aspect ratio of at least 2:1. The ribbon fibers are formed from a water non-dispersible synthetic polymer. The nonwoven articles containing the ribbon fibers may be used for a wide array of products. | 07-12-2012 |
20120199301 | FLUSHABLE MOIST WIPE OR HYGIENE TISSUE - A flushable moist wipe or hygiene tissue including a hydraulically entangled nonwoven material impregnated with a wetting composition. The nonwoven material contains at least 70%, by fibre weight, pulp fibres and the rest manmade fibres and/or natural fibres with a length of at least 6 mm. The moist wipe or hygiene tissue has a length in the machine direction which exceeds the width in the cross-machine direction with at least 25%. The moist wipe or hygiene tissue has a wet strength in machine direction which is at least 3 times higher than the wet strength in cross-machine direction, wherein the wet strength in cross-machine direction is between 50 and 200 N/m. | 08-09-2012 |
20120205064 | PAPER BASED ON RECYCLED PAPERS AND PROCESS FOR PRODUCING THEREOF - A paper includes a composition of 10% by weight to 40% by weight of recovered post-consumer paper, 60% by weight to 90% by weight of recovered white paper, 0.38% by weight to 0.45% by weight of one or more sizing agents, and 3.33% by weight to 3.95% by weight of one or more binding agents. | 08-16-2012 |
20130025807 | PROCESS FOR PRODUCTION OF OXIDISED CELLULOSE PULP - The present invention relates to a process for producing an oxidised cellulose pulp fibrillar network and a composite with lignocellulosic fibres comprising the following steps: (a) oxidising a cellulose pulp to obtain about 0.3 to 2.5 mmol carboxylic groups per gram cellulose pulp; and about 0.1 to 5.0 mmol aldehyde groups per gram cellulose pulp; (b) homogenisation of the cellulose pulp of step (a) wherein the cellulose fibres are refined to provide a cellulose pulp comprising 0-50% of fibres having an average length 0.7 mm-2.1 mm; and 50-100% of fibres having a particle size of 0.05-500 micrometer (μm); and optionally (c) combining with lignocellulosic fibre. Also step (d) drying of the cellulose pulp obtained by step (b) or step (c) may be included in the process. | 01-31-2013 |
20130192779 | PROCESSES TO PRODUCE SHORT CUT MICROFIBERS - A process for producing a microfiber product stream, the process comprising:
| 08-01-2013 |
20130192780 | PROCESSES TO PRODUCE SHORT CUT MICROFIBERS - A process for producing a microfiber product stream, the process comprising:
| 08-01-2013 |
20130213595 | SOFT AND STRONG FIBROUS STRUCTURES AND METHODS FOR MAKING SAME - Soft and strong fibrous structures and more particularly soft and strong fibrous structures that contains less softwood fibers than known fibrous structures and methods for making such soft and strong fibrous structures are provided. | 08-22-2013 |
20130220563 | SOFT AND STRONG FIBROUS STRUCTURES AND METHODS FOR MAKING SAME - Soft and strong fibrous structures and more particularly soft and strong fibrous structures that contains less softwood fibers than known fibrous structures and methods for making such soft and strong fibrous structures are provided. | 08-29-2013 |
20130306260 | Soy stalk and wheat straw pulp fiber mixtures - This invention relates to annual crop straw and stalk fibers having properties suitable for use in paper, paperboard, and related products disposable paper plates, cups, and bowls, molded and thermoformed pulp products, disposable food handling containers, tissue and toweling, and absorbent products such as airlaid roll goods, wipes, diapers and feminine hygiene articles. Annual crop straw or stalk is the waste product from the harvesting of the food including soy, wheat, corn, rice, and oats. The food chain is not impacted by use of these stalks and straw. Currently, most of the straw or stalk is burned, tilled under for soil amendment, or otherwise disposed of. Use of this stalk or straw for paper, paperboard and related products, and absorbent products manufacture including any product made from cellulose fibers represents an opportunity to provide additional income to farmers and a green alternative to wood pulp and therefore conserve trees. | 11-21-2013 |
20140144598 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers having a characteristic scattering coefficient of less than 50 m | 05-29-2014 |
20140166222 | COMPOSITIONS FOR USE IN THE WET-END OF PAPERMAKING - A composition for use as a strengthening agent in the wet-end of papermaking which comprises a surface modified non-wood plant fiber and a starch component. | 06-19-2014 |
20140262088 | Methods of Molding Non-Woven Carbon Fiber Mats and Related Molded Products - Methods for making a molded non-woven carbon fiber containing mat are provided, along with the resulting mats. Furthermore, methods are generally provided for using the molded non-woven carbon fiber containing mat to form a molded product, along with the resulting molded products. | 09-18-2014 |
20140311696 | DISPERSIBLE ARTICLES AND METHODS OF MAKING THE SAME - A dispersible article and methods of making the same. The article has a web of fibers and a dried binder in contact with the fibers. The web of fibers has a basis weight of from about 10 gsm to about 150 gsm. The dried binder has a polyfunctional aldehyde and a primary polymer. The primary polymer has at least one functional group that is reactive with the fibers or the polyfunctional aldehyde. The fibers have at least one functional group that is reactive with the polyfunctional aldehyde or the primary polymer. The article has a cross direction wet tensile strength after 15 minutes of aqueous saturation that is at least about 30% of an initial cross direction wet tensile strength. The article is flushable. | 10-23-2014 |
20140318726 | DISPERSIBLE NON-WOVEN FABRICS - The present invention relates to a dispersible nonwoven fabric comprising pulp and solvent spun cellulosic fibers, characterized in that the solvent spun cellulosic fibers are fibrillated. Furthermore the invention concerns the use of the fabric in dry wipes and wet wipes. | 10-30-2014 |
20150083354 | METHOD OF PRODUCING A HYDROENTANGLED NONWOVEN MATERIAL - A method of producing a nonwoven material by hydroentangling a fiber mixture containing spunlaid filaments, natural fibers and synthetic staple fibers, wherein a fibrous web of natural fibers and at least 10% by fiber weight of manmade staple fibers is wetlaid by means of an inclined wire formation, the wetlaid fibrous web is hydroentangled in a first hydroentangling station and spunlaid filaments are laid on top of said hydroentangled wetlaid fibrous web to form a combined web. The combined web is hydroentangled in a second hydroentangling station. | 03-26-2015 |
20150122434 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers, and a percentage by weight of regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml. The microfibers are selected and present in amounts such that the wiper exhibits a relative water residue removal efficiency of at least 150% as compared with a like sheet without regenerated independent cellulosic microfibers. | 05-07-2015 |
20150122435 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers having a characteristic scattering coefficient of less than 50 m | 05-07-2015 |
20150122436 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A high efficiency disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers, and a percentage by weight of independent regenerated cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml. The microfibers are selected and present in amounts such that the wiper exhibits a relative oil residue removal efficiency of at least 150% as compared with a like sheet without independent regenerated cellulosic microfibers. | 05-07-2015 |
20150122437 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers, and a percentage by weight of regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml. The microfibers are selected and present in amounts such that the wiper exhibits a relative wicking ratio of at least 1.5. | 05-07-2015 |
20150122438 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers, and a percentage by weight of regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml. The microfibers are selected and present in amounts such that the wiper exhibits a Laplace pore volume fraction at pore sizes less than 15 microns of at least 1.5 times that of a like wiper prepared without regenerated independent cellulosic microfibers. | 05-07-2015 |
20150122439 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers, and a percentage by weight of regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 mil. The microfibers are selected and present in amounts such that the wiper exhibits a capillary pressure at 10% saturation by extrusion porosimetry of at least twice that of a like sheet prepared without regenerated independent cellulose microfibers. | 05-07-2015 |
20150129147 | HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - A disposable cellulosic wiper includes a percentage by weight of pulp-derived papermaking fibers, and a percentage by weight of regenerated independent cellulosic microfibers having a number average diameter of less than about 2 microns and a characteristic Canadian Standard Freeness (CSF) value of less than 175 ml. The microfibers are selected and present in amounts such that the wiper exhibits an average effective pore radius of less than 50 microns. | 05-14-2015 |
20150144281 | METHOD OF CLEANING RESIDUE FROM A SURFACE USING A HIGH EFFICIENCY DISPOSABLE CELLULOSIC WIPER - An absorbent paper sheet for tissue or towel includes an amount by weight of pulp-derived papermaking fibers, and an amount by weight of fibrillated regenerated cellulosic microfibers prepared from a cellulosic dope of dissolved cellulose comprising a solvent selected from tertiary amine N-oxides, cellulose dissolving imidazolium salts, cellulose dissolving pyridinium salts, cellulose dissolving pyridazinium salts, cellulose dissolving pyrimidinium salts, cellulose dissolving pyrazinium salts, cellulose dissolving pyrazolium salts, cellulose dissolving oxazolium salts, cellulose dissolving 1,2,3-triazolium salts, cellulose dissolving 1,2,4-triazolium salts, cellulose dissolving thiazolium salts, cellulose dissolving piperidinium salts, cellulose dissolving pyrrolidinium salts, cellulose dissolving quinolinium salts, and cellulose dissolving isoquinolinium salts. | 05-28-2015 |
20160032529 | FUNCTIONALIZED CELLULOSE FIBERS FOR DEWATERING AND ENERGY EFFICIENCY IMPROVEMENTS - The present disclosure provides methods of improving dewatering in the papermaking process by incorporation of functionalized cellulose fibers in the paper furnish. Additionally, the disclosure provides the means to eliminate process problems mainly plugging problems in a nano/micro-fibrillated cellulose production process by incorporation of functionalized cellulose fibers in a cellulose fiber composition and methods of functionalizing cellulose fibers in a paper making process. The methods according to the present disclosure provide several advantages, such as improving the freeness and dewatering of the paper making process during the paper making process, leading to an increased production rate and reduced energy consumption. | 02-04-2016 |
20160122947 | METHOD FOR MAKING NANOFIBRILLAR CELLULOSE AND FOR MAKING A PAPER PRODUCT - A method for making nanofibrillar cellulose includes mixing anionized or cationized cellulose fibers and cellulose pulp to a mixture including at least 1% and below 90 wt-% cellulose pulp based on dry weight, and subjecting the mixture to a refiner stage where the anionized or cationized cellulose fibers are at least partly reduced to nanofibrillar cellulose and the cellulose pulp acts as auxiliary pulp, and obtaining a mixture of nanofibrillar cellulose and cellulose pulp from the refining stage. The mixture can be used for making paper by adding it to base pulp. | 05-05-2016 |
20160186382 | METHOD AND APPARATUS FOR THE MANUFACTURING OF COMPOSITE MATERIAL - A method and an apparatus for manufacturing composite material including natural fiber substance, plastic based substance, and agent improving compatibility between the natural fiber substance and the plastic based substance. The substances are mixed together and mechanically pressing and/or dried with heat to remove liquid. A wet mixture with 41-99.8% water is formed at least from the natural fiber substance, the plastic based substance and the compatibility improving agent, whereby to manufacture the composite material having an internal network structure that keeps material together by chemical bonds between the plastic based substance and the natural fiber substance, the wet mixture is fed to a devolatilization process in which substance in liquid form and other gasifying volatile substances or at least a main part thereof are removed by changes in pressure, heat and mechanical mixing, and the structure of the natural fiber substance is modified if needed. | 06-30-2016 |