EP3710621A1 - Fibers comprising cultivated microalgae, method for manufacturing the same, and yarns, fabrics and garments comprising such fiber - Google Patents
Fibers comprising cultivated microalgae, method for manufacturing the same, and yarns, fabrics and garments comprising such fiberInfo
- Publication number
- EP3710621A1 EP3710621A1 EP18829496.1A EP18829496A EP3710621A1 EP 3710621 A1 EP3710621 A1 EP 3710621A1 EP 18829496 A EP18829496 A EP 18829496A EP 3710621 A1 EP3710621 A1 EP 3710621A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber
- combinations
- cultivated
- microalgae
- vitamin
- 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.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/04—Dry spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
Definitions
- FIBERS COMPRISING CULTIVATED MICROALGAE METHOD FOR MANUFACTURING THE SAME, AND YARNS, FABRICS AND GARMENTS COMPRISING SUCH FIBER
- the present invention is directed to fibers, yarns and fabrics comprising at least one cultivated microalgae.
- the unique properties of algae help to protect our skin against the harmful environmental influences which we are exposed to in our daily lives.
- the algae are pure and rich in essential substances such as vitamins, trace elements, amino acids and minerals.
- the substances found in algae help to activate cell regeneration, which in turn can help to relieve skin diseases, reduce inflammation and soothe itchiness. Its high level of antioxidants protects the skin against harmful free radicals, which damage our skin cells.
- the natural moisture level of the skin enables an active exchange of those beneficial substances between the fiber and the skin, providing a noticeable sense of wellbeing.
- the present invention provides a fiber comprising at least one cultivated microalgae.
- the term ' 'fiber should be understood to encompass a thread (being significantly longer than it is wide) that can be used to make a yarn, fabric, knitted, woven, nonwoven fabric, cloth, paper, having a length longer than it is width. In some embodiments, said fiber is used in the preparation of a fabric.
- microalgae should be understood to encompass are unicellular photosynthesis forming species which exist individually, or in chains or groups, having a size that can range from a few micrometers (pm) to a few hundreds of micrometers. Microalgae do not have roots, stems, or leaves. Microalgae biomass is typically measured with chlorophyll concentrations.
- said at least one cultivated microalgae is selected from red algae, brown algae, green algae, red algae, blue algae and mixtures thereof. In other embodiments, said at least one cultivated microalgae is a red microalgae.
- said at least one cultivated microalgae is selected from Porphyridium, Rhodella, Dunaliella salina, Haematococcus pluvialis, Chlorella vulgaris, Chlorella sorokinara, Spirulina platensis, Nannochloropsis gaditana, Tetraselmis sp., Chlorella vulgaris, Spirulina, Haematococcus pluvialis, Spirulina platensis and any combinations thereof.
- the present invention further provides a fiber comprising at least one cultivated algae.
- microalgae used in the present invention are "at least one cultivated microalgae " thus, they are grown and cultured outside their natural marine environment, in regulated and controlled environments.
- said at least one cultivated microalgae is grown/cultivated outside a natural marine environment (the at least one cultivated microalgae used in the present invention are not harvested from a marine or natural water source).
- said at least one cultivated microalgae is grown/cultivated in a microorganism growth apparatus.
- An example of a microorganism growth apparatus, including a process for growing said microalgae in the apparatus can be found in US5534417, which is herein incorporated in its entirety.
- the cultivation process of growing said microalgae used in the present invention is capable of customizing the contents and thus, the properties of the fiber, yarn and fabric of the invention.
- Microalgae typically contain proteins, fatty acids (palmitic, palmitoleic, stearic, oleic, linoleic, arachidonic, EPA), vitamins (C, B l, B2, B6, E, Zeaxanthin) and minerals (Na, Ca, Se, Fe, Mg, Al, Zn, Mo, I), Astaxanthin, Phycocyanin, Oleoresin that are beneficial for human conditions, especially dermatological conditions.
- the cultivation process is able to provide microalgae with specific combination of proteins, fatty acids vitamins and minerals beneficial for a specific condition of the skin.
- the combination of fatty acids, vitamins and minerals of a cultivated microalgae can be customized to provide antioxidant, antimicrobial, antiviral and anti- irritating properties to the fiber, yarn and fabric of the invention.
- a fiber of the present invention comprises at least 5%wt of said at least one cultivated microalgae.
- said at least one cultivated microalgae comprises between about 5% to 90% of the fiber.
- said at least one cultivated microalgae comprises between about 5% to 95% of the fiber.
- said at least one cultivated microalgae comprises between about 5% to 99% of the fiber.
- said at least one cultivated microalgae comprises about 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100% of the fiber.
- said fiber of the invention is a cellulose base fiber.
- Such fibers are prepared from ethers or esters of cellulose, which can be obtained from the bark, wood or leaves of plants, or from other plant-based material.
- the fibers may also contain hemicellulose and lignin, with different percentages of these components altering the mechanical properties of the fibers.
- the preparation and properties of cellulose based fibers are disclosed in the following publications which are herein incorporated by reference: (i) Z. A. Rogowin, Chemiefasern: Chemie - Technologie 1982, Thieme Verlag, Stuttgart - New York, Page 121; (ii)
- said cellulose based fiber is selected from viscose, lyocell, cupro, acetate, modal, nitrocellulose and any combinations thereof.
- said fiber of the invention is a protein based fiber.
- protein based fibers comprise fibrous proteins or protein filaments which include, among others collagen family of proteins, Polylactic acid (PLA), tendon, actin, cell proteins like microtubules and others, spider silk, sinew and hair etc.
- a fiber of the invention is a petroleum based fiber.
- Common petroleum based fibers include, but are not limited to: Nylon, Modacrylic, Olefin, Acrylic, Polyester, Rayon (artificial silk), Vinyon, Saran, Spandex, Vinalon , Aramids (Nomex), Kevlar, Twaron, Dyneema/Spectra,
- PBI Polybenzimidazole fiber
- Sulfar M-5 (PIPD fiber), Orlon, Zylon (PBO fiber), Vectran (TLCP fiber) made from Vectra LCP polymer, Derclon, Acrylonitrile rubber and any combinations thereof.
- a fiber of the invention is being formed by melt spinning.
- melt spinning is known in the art, for example fro m D. R. Salem, Structure Formation in Polymeric Fibers 2001, Hanser, Munchen, which is herein incorporated by reference.
- a fiber of the invention is being formed by dry spinning.
- the process of dry spinning is known in the art, for example from A. Ziabicki, Fundamentals of Fibre Formation - The Science of Fibre Spinning and Drawing 1976, Wiley-Interscience, London, which is herein incorporated by reference.
- a fiber of the invention is being formed by wet spinning (in some embodiments by jet air wet spinning).
- the process of wet spinning is known in the art, for example from Z. K. Walczak, Processes of Fiber Formation 2002, Elsevier, Amsterdam, Page 268, whichis herein incorporated by reference.
- a fiber of the present invention further comprises at least one of cellulose, saccharide, protein, amino acid, vitamin, metal ion or any combinations thereof.
- vitamin is selected from the group consisting of ascorbic acid, tocopherol, carotene, vitamin B3, vitamin K, riboflavin, thiamin, folic acid, folinic acid, biotin, vitamin A, vitamin B6, vitamin B 12 and any combinations thereof.
- said metal ion is selected from the group consisting of aluminum, antimony, barium, boron, calcium, chromium, iron, germanium, gold, potassium, cobalt, copper, lanthanum, lithium, magnesium, manganese, molybdenum, sodium, rubidium, selenium, silicon, titan, vanadium, tungsten, zinc, tin and any combinations thereof.
- said saccharide is selected from the group consisting of monosaccharides, oligosaccharides, polysaccharides and any combinations thereof.
- said saccharide is selected from alginic acid, laminarin, mannitol, methylpentosanes and any combination thereof.
- the protein is selected from contain alanine, arginine, asparagic acid, glutamic acid, glycin, leucine, lysine, serine, threonine, tyrosine, valine, methionine and any combinations thereof.
- a fiber of the invention is measured in terms of linear mass density, the weight of a given length of fiber.
- Various other units used to refer to the measurement of a fiber of the invention include: the denier and tex (linear mass density of fibers), worsted count, Number metric (Nm) and yield (the reciprocal of denier and tex).
- the invention further provides a yarn comprising at least one fiber of the invention comprising cultivated microalgae.
- a yarn of the invention is defined as a long continuous length of interlocked fibers of the invention, suitable for use in the production of textiles, sewing, crocheting, knitting, weaving, embroidery or ropemaking.
- the term yarn also includes a thread that is a type of yarn intended for sewing by hand or machine.
- the invention further provides a woven, non- woven or knitted fabric comprising fibers of the invention.
- the invention further provides a nonwoven fabric comprising fibers of the invention.
- said fabric is used for preparation of a garment.
- said fabric is used in the preparation of a medical fabric.
- said fabric is used in the preparation of a cosmeceutical fabric.
- said fabric is used in the preparation of a hygienic fabric.
- Medical fabrics are defined as comfortable, safe and effective for use in healthcare facilities. Such fabrics are strong, durable, antimicrobial, antistatic, flame resistant, stain, odor, fluid resistant, and resistant to popular disinfectants when used as directed.
- said medical fabrics further comprise additional medical agents such as antimicrobial agents, antifungal agent, anticoagulating agents and so forth. Medical fabrics may be used to cover wounds, burns, pressure ulcers, cast into plaster fixations, may be used in operation room procedures and so forth.
- Hygienic fabrics include hygienic pads, tampons, diapers, fabrics in contact with intimate body parts, such as underwear, means used for delivering agents or devices into the body, hygienic wet wipes, hygienic skin masks and so forth.
- Cosmeceutical fabrics include cosmetic and dermatological masks, fabrics used in direct contact with the skin of a subject capable of delivering nutritional elements and moisture to the skin, wet wipes, cosmetic applicators, cosmetic pads.
- the invention provides a method of manufacturing a fiber comprising the steps of: (a) preparing a base material comprising at least 5% of at least one at least one cultivated microalgae; (b) forming the fiber from said base material through spinneret; (c) fixating the formed fiber; (d) post-treating the fixated fiber.
- said base material comprises between about 5% to 90% of at least one at least one cultivated microalgae.
- said base material comprises between about 5% to 95% of at least one at least one cultivated microalgae .
- said base material comprises between abou 5% to 99% of at least one at least one cultivated microalgae.
- said base material comprises about 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100% of at least one at least one cultivated microalgae.
- said base material comprises at least one protein base polymer (in some embodiments PLA) and/or petroleum based polymer (in some embodiments polyester, polyamide, olefin, polyurethane and any combinations thereof).
- said base material is melted at step (a).
- fiber fixation of step (c) is performed by airflow cooling.
- fiber post- treatment of step (d) is performed by drawing.
- said base material comprises at least one cellulose based material (in some embodiments, wood pulp, cotton linters and so forth).
- said base material is dissolved in at least one solvent.
- said fiber fixation of step (c) is performed by evaporation of at least one solvent or precipitation of said at least one solvent. Said at least one solvent is added to the base material so as to form a solution of the cellulose based material and at least one at least one cultivated microalgae.
- Solvents used in such processes may be selected from NaOH solution, CS 2 solution, acetone, organic solvents, acetic anhydride, amine oxide, cuprammonium liquor, tetraaminecopper dihydroxide, N-methylmorphine N- oxide (NMMO) solution, acetic acid and combinations thereof.
- said fiber post- treatment of step (d) is performed by drawing, washing, drying and any combinations thereof.
- Acetate fiber is produced by reacting high purity wood pulp and 5% crude cultivated red microalgae with acetic anhydride.
- the acetate flakes that are produced through this chemical reaction are dissolved in a solvent, filtered, and adjusted to obtain spinning stock solution.
- the spinning stock solution is extruded through controlled nozzles with extremely small pore diameters ranging from 30 to 50pm.
- the solvent is then evaporated, and the yarns are formed.
- This process for producing acetate fiber is known as the dry spinning method.
- the cross-section of acetate fiber is called a “chrysanthemum,” and is shaped uniquely with many lobes. After the spinning stock has been extruded through the pores, it takes on a round-shaped cross-section.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
- Knitting Of Fabric (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762586213P | 2017-11-15 | 2017-11-15 | |
PCT/IL2018/051236 WO2019097518A1 (en) | 2017-11-15 | 2018-11-15 | Fibers comprising cultivated microalgae, method for manufacturing the same, and yarns, fabrics and garments comprising such fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3710621A1 true EP3710621A1 (en) | 2020-09-23 |
Family
ID=64902157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18829496.1A Pending EP3710621A1 (en) | 2017-11-15 | 2018-11-15 | Fibers comprising cultivated microalgae, method for manufacturing the same, and yarns, fabrics and garments comprising such fiber |
Country Status (8)
Country | Link |
---|---|
US (1) | US20200277712A1 (en) |
EP (1) | EP3710621A1 (en) |
JP (1) | JP2021503049A (en) |
CN (1) | CN111373081A (en) |
AU (2) | AU2018370099A1 (en) |
CA (1) | CA3082734A1 (en) |
IL (1) | IL274692A (en) |
WO (1) | WO2019097518A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112144135A (en) * | 2020-09-30 | 2020-12-29 | 江苏康溢臣生命科技有限公司 | Preparation method of functional viscose containing chlorella protein algae extract |
KR102662219B1 (en) * | 2023-12-18 | 2024-04-30 | 동아대학교 산학협력단 | Preparing method of cellulose composition, cellulose composition prepared therefrom, cellulose film and cellulose fiber |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3305702A1 (en) * | 1983-03-01 | 1984-08-23 | Vsesojuznyj naučno-issledovatel'skij institut biosinteza belkovych veščestv, Moskva | CHEMICAL FIBER, SIZE AND METHOD FOR THE PRODUCTION THEREOF FOR SPINNING THE CHEMICAL FIBER |
IL102189A (en) | 1992-06-12 | 1995-07-31 | Univ Ben Gurion | Microorganism growth apparatus |
ATE225418T1 (en) * | 1996-08-23 | 2002-10-15 | Weyerhaeuser Co | LYOCELL FIBERS AND METHOD FOR THE PRODUCTION THEREOF |
DE10007794A1 (en) * | 2000-02-21 | 2001-06-28 | Zimmer Ag | Composition useful for making containers, films, membranes and fibers, comprises a biodegradable polymer and a marine plant or shell material |
US8685707B2 (en) * | 2010-06-14 | 2014-04-01 | Heinz Ploechinger | Construction material made of algae, method for cultivating algae, and algae cultivation plant |
GB2485384A (en) * | 2010-11-12 | 2012-05-16 | Ngee Ann Polytechnic | Porous fibre encapsulating biological material |
KR20140022575A (en) * | 2012-08-14 | 2014-02-25 | 인하대학교 산학협력단 | Biodegradable polymer scaffold comprising spirulina |
CN105483862B (en) * | 2015-12-15 | 2017-10-27 | 青岛明月生物医用材料有限公司 | A kind of seaweed bio fiber and its preparation method and application |
AT518061B1 (en) * | 2016-04-28 | 2017-07-15 | Chemiefaser Lenzing Ag | Modified viscose fiber |
-
2018
- 2018-11-15 AU AU2018370099A patent/AU2018370099A1/en not_active Abandoned
- 2018-11-15 CA CA3082734A patent/CA3082734A1/en active Pending
- 2018-11-15 WO PCT/IL2018/051236 patent/WO2019097518A1/en unknown
- 2018-11-15 CN CN201880074379.7A patent/CN111373081A/en active Pending
- 2018-11-15 JP JP2020527110A patent/JP2021503049A/en active Pending
- 2018-11-15 US US16/764,114 patent/US20200277712A1/en active Pending
- 2018-11-15 EP EP18829496.1A patent/EP3710621A1/en active Pending
-
2020
- 2020-05-14 IL IL274692A patent/IL274692A/en unknown
-
2023
- 2023-05-04 AU AU2023202775A patent/AU2023202775A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
AU2018370099A1 (en) | 2020-07-02 |
AU2023202775A1 (en) | 2023-05-25 |
US20200277712A1 (en) | 2020-09-03 |
CA3082734A1 (en) | 2019-05-23 |
JP2021503049A (en) | 2021-02-04 |
IL274692A (en) | 2020-06-30 |
CN111373081A (en) | 2020-07-03 |
WO2019097518A1 (en) | 2019-05-23 |
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