WO2018178794A1 - Proceso de tratamiento de fibras naturales - Google Patents
Proceso de tratamiento de fibras naturales Download PDFInfo
- Publication number
- WO2018178794A1 WO2018178794A1 PCT/IB2018/051756 IB2018051756W WO2018178794A1 WO 2018178794 A1 WO2018178794 A1 WO 2018178794A1 IB 2018051756 W IB2018051756 W IB 2018051756W WO 2018178794 A1 WO2018178794 A1 WO 2018178794A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- process according
- fibers
- bleaching
- temperature
- natural fibers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/70—Multi-step processes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
- D01B1/10—Separating vegetable fibres from stalks or leaves
- D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
- D01B1/30—Details of machines
- D01B1/34—Devices holding fibres or fibre-bearing materials during treatment
- D01B1/36—Conveying devices, e.g. moving bands or ropes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
- D01B1/10—Separating vegetable fibres from stalks or leaves
- D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
- D01B1/30—Details of machines
- D01B1/40—Arrangements for disposing of non-fibrous materials
- D01B1/42—Arrangements for disposing of non-fibrous materials employing liquids
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C1/00—Treatment of vegetable material
- D01C1/02—Treatment of vegetable material by chemical methods to obtain bast fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/15—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using organic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/40—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using enzymes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/70—Multi-step processes
- D06L4/75—Multi-step processes combined with cleaning or washing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Definitions
- the present invention is framed in the textile sector, particularly in natural fiber treatment processes for different applications.
- the leaves of the Aspargaceae family are considered as a variety of fibrous plant materials with a high exploitation potential in the textile industry.
- these plant materials have a high cellulose content that can be used in the manufacture of textile bases for clothing.
- its use as a raw material in the construction of textile bases is limited due to its low fineness and roughness of the fibers, due to the presence of non-cellulosic components, which does not make it suitable for obtaining threads that can be spun with a traditional machinery for the construction of textile bases.
- Document US7481843 B2 describes a procedure for the extraction and preparation of coarse fibers of ramie (Urticaceae family), jute (Malvaceae family) and hemp (Cannabaceae family), with which fibers are obtained for the production of fine, pure spun yarns, in which the conventional spinning train is fed 100% with the selected fiber, or mixed, in which before the process of Different fibers are mixed in the desired proportions and at the end of the spinning process an intimate mixing yarn is obtained.
- ramie Urticaceae family
- jute Malvaceae family
- hemp Crobaceae family
- US20070199669 discloses a method for the extraction of cellulosic fibers from leaves and stems of corn, grass, rice, barley (family Poaceae) sorghum, wheat, (family Gramineae), soybeans (family Fabaceae) and cotton stalks (family Malvaceae ), by an alkaline treatment to partially delignify the material and a subsequent enzymatic treatment to extract the fibers.
- US 7624478 B2 describes a method for processing coarse fibers derived from the cotton stalk (Malvaceae family), which includes extraction, dewatering, preservation, cutting, opening, carding, sorting and packing.
- Document US 7526837 B2 discloses a process for the treatment of flax fibers (family Linaceae), which consists of cleaning, Lacization, enriado and drying of the raw material by means of an electro-hydraulic process.
- the process of the invention allows to obtain natural fibers for new textile bases for the diversification of its applications in the apparel, expanding the portfolio of opportunities for these fibers within the textile world.
- the process of the present invention allows to obtain modified natural fibers from the leaves of plants of the Aspargaceae family, by adding a softening agent to the natural fibers after being subjected to an alkaline and bleaching treatment.
- the fibers obtained exhibit excellent tactile properties due to the removal of non-cellulosic components, favoring the decrease of the diameter of the fibers and the increase of their flexibility.
- FIG. Photograph of the natural fiber (a) and the Lacized fiber (b).
- FIG. Scanning electron microscope (SEM) images of natural fiber (a) and Lacized fiber (b).
- FIG 3. Photograph of a cotton / fique mix yarn (1: 1).
- FIG 4. Photograph of fabric produced with a cotton / fique mix yarn (1: 1).
- the hard fibers from the leaves of the plants of the Aspargaceae family are basically composed of cellulose (between 40-70%), hemicellulose, pectins and lignin, responsible for agglutinating and maintaining the integrity of cellulosic fibers. These other non-cellulosic components are responsible for these fibers being coarse, not very flexible, and with low hygroscopicity. These components must be removed with chemical, mechanical, enzymatic and / or physical Lacizing treatments to obtain softer and individualized fibers with applications in the textile sector.
- the present invention relates to a process for the treatment of natural fibers from the Aspargaceae family, including fique, henequen and sisal, whose leaves and stems are initially defibrated and the fibers cut lengthwise in sizes between 10 mm and 1500 mm
- the fibers are subjected to an alkaline treatment that consists of immersing them in an alkaline solution of KOH or NaOH (1-20% w / w), with an alkaline fiber / solution ratio between 1: 5 and 1: 50, at a temperature between 20 and 90 ° C, for 1 to 24 hours.
- the fibers are immersed in an alkaline NaOH solution between 10% and 15% (w / v), at a fiber / solution ratio between 1: 20 and 1: 40, at a temperature between 60 ° C and 80 ° C, for 1 to 5 hours.
- the fibers are immersed in a 15% (w / v) solution of KOH at a temperature of 80 ° C, for 2 hours.
- the fibers obtained are rinsed one or more times with water and subjected to a bleaching phase, which can be carried out by chemical treatment or enzymatic treatment at a temperature between 20 ° C and 90 ° C, for 0.1 to 168 hours , after which, the fibers are rinsed again with water.
- the bleaching phase is carried out by chemical treatment at a temperature between 60 ° C and 90 ° C, for 0.5 to 3 hours, preferably at a temperature of 80 ° C for 2 hours.
- the chemical treatment of the bleaching phase consists in adding a bleaching agent, a strong base, a catalyst to the fibers. and an antifoam.
- the bleaching agent is selected from chemical compounds such as chlorine in any state, chlorine-derived compounds and / or salts (eg sodium hypochlorite), sulfides or sulfuric compounds, oxygen or ozone or oxygen-releasing compounds such as peroxides, perborates, persulfates or perchlorates , alkali metals, alkaline earth metals, ammonium compounds, and mixtures thereof, in concentrations ranging from 1% to 30% (w / v).
- the bleaching agent is hydrogen peroxide.
- the strong base that is added in the bleaching phase can be NaOH or KOH, at concentrations between 0.1 and 5% (w / w);
- the catalyst is selected from inorganic salts, hydrocarbons, alcohols, organic acids and their derivatives, in concentrations between 0.01 and 1.0%; and the antifoam agent is selected from silicone, non-silicone emulsions
- the strong base is NaOH
- the catalyst is magnesium sulfate
- the bleaching agent is hydrogen peroxide
- the antifoam is a stearic alcohol.
- the enzymatic bleaching treatment consists of adding one or more enzymes to natural fibers such as: peroxidases, lacases, catalase oxidases, pectinases, cellulases, at concentrations between 1 and 100 g / L, at a temperature between 20 and 60 ° C, during a time between
- the enzymatic treatment is carried out by adding peroxidases and cellulases at a concentration between 0.01 and 5% (v / v) at a temperature between 20 ° C and 40 ° C, for 1 to 168 hours. In another embodiment of the invention, the enzymatic treatment is carried out by adding peroxidase at a concentration of 0.3 (v / v), temperature of 25 ° C, for 168 hours.
- a softening agent selected from cationic, anionic, non-ionic, reactive, amphoteric, silicone or enzymatic emulsions is added to the fibers, in order to give the fiber smoothness and avoid hornification of the cellulose, which would hinder the carding process, in which the fiber opens, separates and cleanses of dirt and short fibers, in order to be individualized and parallelized to form a veil that will be converted into a card of tape at the end of the process.
- the softening agent has a concentration between 0.1% and 10%, preferably between 0.5% and 2.0% and is added to the fibers at a temperature between 30 ° C and 80 ° C, with a fiber / solution ratio between 1: 5 and 1: 50 and for a period of time between 0.5 and 2 hours.
- the softening agent is a siliconized nanoemulsion at a concentration of 1.0%, the fiber / solution ratio is 1:40, the temperature is 60 ° C, for one hour.
- the fibers can be subjected to a drying stage, which can be carried out at room temperature (15 ° C to 25 ° C) or by convection in an oven at a temperature between 40 ° C and 80 ° C , for 0.5 to 36 hours.
- the fibers obtained by the process of the invention have characteristics similar to cotton fiber, such as soft touch, white color, greater flexibility and fineness. By having these characteristics, the fiber can be intimately mixed with other fibers such as cotton, and with all kinds of artificial and synthetic fibers in the production of fine yarns, which facilitate the production of textile bases that can be used in clothing, accessories , upholstery and decoration in general.
- Fique fibers of a length of 35mm were cut with a guillotine.
- the fibers were subjected to an alkaline process at 80 ° C for 2 hours, using a solution of 666.6 g of potassium hydroxide and 3333.3 ml of water.
- the fibers were rinsed and the bleaching phase was carried out, in which 2918 ml of water, 80 g of caustic soda in a concentration of 90%, 2.0 g of magnesium sulfate, 200 g of defoamer (alcohol) were added. stearic acid) and 800 g of hydrogen peroxide in a concentration of 10% (w / w).
- the solution obtained was brought to a temperature of 80 ° C, held for one hour and then the fibers were rinsed 3 times by overflow. Finally, the fiber was subjected to a smoothing process, for which a solution was prepared with 3920 ml of water and 80 g of a siliconized nanoemulsion. This solution was brought to a temperature of 60 ° C to add the fiber and subject it to this process for one hour. The resulting Lacized fiber was dried in an oven at 40 ° C for 24 hours.
- Fique fibers of a length of 35mm were cut with a guillotine.
- the fibers were subjected to an alkaline process at 60 ° C for 0.5 hours, using a solution of 222.2g of potassium hydroxide and 3777.7 ml of water.
- the fibers were rinsed and the bleaching phase was carried out, in which 2918 ml of water, 80 g of caustic soda in a concentration of 90%, 2.0 g of magnesium sulfate, 200 g of defoamer (alcohol) were added. stearic acid) and 800 g of hydrogen peroxide in a concentration of 10% (w / w).
- the solution obtained was brought to a temperature of 80 ° C, held for one hour and then the fibers were rinsed 3 times by overflow. Finally, the fiber was subjected to a smoothing process, for which, a solution with 3920 ml was prepared of water and 80 g of a siliconized nanoemulsion. This solution was brought to a temperature of 60 ° C to add the fiber and subject it to this process for one hour. The resulting Lacized fiber was dried in an oven at 40 ° C for 24 hours.
- Sisal fibers of a length of 35mm were cut with a guillotine.
- the fibers were subjected to an alkaline process at 80 ° C for 2 hours, for which a solution of 666.6 g of potassium hydroxide and 3333.3 ml of water was used.
- the fibers were rinsed and the bleaching phase was carried out, in which 2918 ml of water, 80 g of caustic soda in a concentration of 90%, 2.0 g of magnesium sulfate, 200 g of defoamer were added ( stearic alcohol) and 800 g of hydrogen peroxide in a concentration of 10% (w / w).
- the solution obtained was brought to a temperature of 80 ° C, held for one hour and then the fibers were rinsed 3 times by overflow. Finally, the fiber was subjected to a smoothing process, for which a solution was prepared with 3920 ml of water and 80 g of a siliconized nanoemulsion. This solution was brought to a temperature of 60 ° C to add the fiber and subject it to this process for 1 hour. The resulting Lacized fiber was dried in an oven at 40 ° C for 24 hours.
- Fique fibers obtained according to Example 1 were subjected to the following characterization tests: length, diameter, tensile strength, final lignin content, final cellulose content, final hemicellulose content (Table 1).
- Example 5 Obtaining yarn from Fique fibers
- Example 2 From yarn fibers obtained according to Example 1, a spun yarn was developed with a cotton / Lacized composition (1: 1). For the development of this yarn, a 28 mm cotton with a fineness of 3.6 micronaire was selected. The fibers were mixed in a 50/50 ratio, passed to the opening process in Shirley opener and carding, in which fixed flat cards were used.
- the card was passed three consecutive times on the handle in order to regulate the mass of the tape which had a weight of 3.3 g / m.
- the resulting manuar tape was processed in an industrial electro-jet burner in order to obtain a wick of 0.850 g / m.
- a thread from a rope was obtained in a Pinter ring spinning machine with a Z twist of 520 turns / meter with a Ne 14 title.
- Example 5 From the threads obtained according to Example 5, a textile base was obtained which was produced on a Jacquard loom. The loom, previously warped with polyester cotton blend yarn and Lacized cotton / fique yarn (1: 1), was inserted into the weft. Plain tissue was produced in the taffeta, twill and satin ligaments.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/499,774 US20200102694A1 (en) | 2017-03-31 | 2018-03-15 | Natural fiber treatment process |
| BR112019020470-9A BR112019020470B1 (pt) | 2017-03-31 | 2018-03-15 | Processo de tratamento de fibras naturais e fibras obtidas a partir do mesmo |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CONC2017/0003218 | 2017-03-31 | ||
| CONC2017/0003218A CO2017003218A1 (es) | 2017-03-31 | 2017-03-31 | Proceso de tratamiento de fibras naturales |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018178794A1 true WO2018178794A1 (es) | 2018-10-04 |
Family
ID=63677764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2018/051756 Ceased WO2018178794A1 (es) | 2017-03-31 | 2018-03-15 | Proceso de tratamiento de fibras naturales |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20200102694A1 (es) |
| BR (1) | BR112019020470B1 (es) |
| CO (1) | CO2017003218A1 (es) |
| WO (1) | WO2018178794A1 (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12331428B2 (en) * | 2022-04-21 | 2025-06-17 | Rebundle, Inc. | Methods for making synthetic hair from plant fiber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070094810A1 (en) * | 2005-11-01 | 2007-05-03 | Xu Meirong | Process for the extraction and preparation of bast fibers, bast fibers obtained therefrom and their use |
| US20070199669A1 (en) * | 2005-01-28 | 2007-08-30 | University Of Nebraska-Lincoln | Natural Cellulosic Fiber Bundles from Cellulosic Sources and a Method for Making the Same |
| WO2009003606A1 (de) * | 2007-07-02 | 2009-01-08 | Flasin Faser Gmbh | Hochfestes fasermaterial aus naturfaser, verfahren zu seiner herstellung und seine verwendung zur herstellung von verbundwerkstoffen |
-
2017
- 2017-03-31 CO CONC2017/0003218A patent/CO2017003218A1/es unknown
-
2018
- 2018-03-15 US US16/499,774 patent/US20200102694A1/en not_active Abandoned
- 2018-03-15 BR BR112019020470-9A patent/BR112019020470B1/pt active IP Right Grant
- 2018-03-15 WO PCT/IB2018/051756 patent/WO2018178794A1/es not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070199669A1 (en) * | 2005-01-28 | 2007-08-30 | University Of Nebraska-Lincoln | Natural Cellulosic Fiber Bundles from Cellulosic Sources and a Method for Making the Same |
| US20070094810A1 (en) * | 2005-11-01 | 2007-05-03 | Xu Meirong | Process for the extraction and preparation of bast fibers, bast fibers obtained therefrom and their use |
| WO2009003606A1 (de) * | 2007-07-02 | 2009-01-08 | Flasin Faser Gmbh | Hochfestes fasermaterial aus naturfaser, verfahren zu seiner herstellung und seine verwendung zur herstellung von verbundwerkstoffen |
Non-Patent Citations (3)
| Title |
|---|
| CARRION F.J. ET AL.: "Estructura y propiedades de los suavizantes textiles de organosiloxanos (silicona", BOLETIN DEL INSTITUTO DE INVESTIGATION TEXTIL Y DE COOPERATION INDUSTRIAL (UPC, vol. 112, 1997, pages 61 - 66, XP055551641, ISSN: 1131-6756 * |
| MUÑOZ U. JF., DENIM CON FIQUE: NUEVA APLICACIÓN TEXTIL, June 2017 (2017-06-01), pages 8 - 11, XP055551645, ISSN: 0120-1115 * |
| VENKATESHWARAN N. ET AL.: "Mechanical and water absortion behaviour of banana/sisal reinforced hybrid composite", MATERIAL AND DESIGN, vol. 32, no. 7, August 2011 (2011-08-01), pages 4017 - 4021, XP055551647, Retrieved from the Internet <URL:https://doi.org/10.1016/j.matdes.2011.03.002> * |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112019020470A2 (pt) | 2020-04-28 |
| CO2017003218A1 (es) | 2018-10-10 |
| BR112019020470B1 (pt) | 2023-04-18 |
| US20200102694A1 (en) | 2020-04-02 |
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