WO2011030599A1 - 改質された獣毛繊維の製造方法 - Google Patents
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- WO2011030599A1 WO2011030599A1 PCT/JP2010/060654 JP2010060654W WO2011030599A1 WO 2011030599 A1 WO2011030599 A1 WO 2011030599A1 JP 2010060654 W JP2010060654 W JP 2010060654W WO 2011030599 A1 WO2011030599 A1 WO 2011030599A1
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/34—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxygen, ozone or ozonides
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- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
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- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/54—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur dioxide; with sulfurous acid or its salts
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/196—Percarboxylic acids; Anhydrides, halides or salts thereof
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
Definitions
- the present invention relates to a method for producing animal hair fibers imparted with anti-shrinkage and anti-pilling properties.
- the present invention relates to a method for producing animal hair fibers imparted with shrinkage resistance and anti-pilling properties without impairing the excellent water repellency inherent to animal hair.
- Animal hair fiber has a unique texture depending on its type, has biodegradable function, is a unique fiber with moisture absorption, moisture release, heat retention, flame retardancy, dyeability, and water repellency. is there. In terms of the physical properties of the fiber, it is a unique fiber that has an appropriate fiber strength and elongation that can be worn, and has a high frictional strength. However, felting at the time of washing derived from the epidermal tissue structure of animal hair fibers and pilling at the time of wearing are undesirable properties for clothing fibers. Therefore, surface modification research has been carried out for a long time, focusing on shrink-proof processing, and accompanying this, anti-pilling processing has also been performed.
- the water repellent film of animal hair fibers has an effect on moisture absorption and moisture release, has a function of controlling heat transfer associated with water adsorption and desorption, and also affects heat retention and comfort.
- the conventional shrink-proof processed product can prevent shrinkage due to washing, but lacks heat retention and comfort.
- a shrink-proof processing method using a chlorine agent there is a shrink-proof processing method using a chlorine agent.
- the skin structure of animal hair fibers is made hydrophilic, and the structure is softened or removed to impart shrink-proof property, and further,
- chlorin hercoset shrink-proofing method in which the epidermal tissue is coated with a polyamide epichlorohydrin resin (manufactured by Dick Hercules, Hercoset resin) in order to enhance the washability. This method is now widespread all over the world and has been completed as a method for shrink-proofing wool.
- the present applicant has proposed a shrink-proofing process using ozone in Patent Documents 1 and 2 below as an alternative to the chlorin hercoset shrink-proofing process.
- the present invention provides a method for efficiently producing animal hair fibers excellent in anti-shrinkage properties in a short time in the shrinkage processing of animal hair fibers using ozone. To do.
- the method for producing a modified animal hair fiber according to the present invention comprises a first step of primary oxidation of a cystine bond (-SS-bond) in epidermal cells of the animal hair fiber to a lower oxidation state, primary oxidation.
- a method for imparting shrinkage and anti-pilling properties to animal hair fibers comprising a third step of reducing and cleaving S-bonds, wherein in the second step, an anionic interface having an alkyl group having 8 to 24 carbon atoms Ozone is finely dispersed in an aqueous solution containing an activator, and the animal hair fibers are brought into contact with the ozone.
- ozone is finely dispersed in an aqueous solution in which an anionic surfactant containing an alkyl group having 8 to 24 carbon atoms is present, and the animal hair fiber is subjected to ozone treatment, whereby there is provided a method for efficiently producing animal hair fibers having excellent shrinkage resistance, which is less susceptible to felting even when the hair fibers are washed with water.
- FIG. 1 is a schematic longitudinal sectional view of animal hair fibers.
- FIG. 2 is a diagram for explaining an ozone treatment method according to an embodiment of the present invention.
- FIG. 3 is an explanatory side view of a processing apparatus according to an embodiment of the present invention.
- FIG. 1 (quoted from Wool Science Review Vol. 63 (1986)) is a schematic longitudinal sectional view of the surface portion of wool fiber.
- the epidermal tissue (cuticle) portion called the scale is laminated from the outside in the order of the epicuticle layer (21), exoicle a layer (22), exoicle b layer (23), and innermost layer (24). .
- the outer surface of the epiicle layer is covered with a layer having a thickness of about 0.9 nm of a higher fatty acid (mainly eicosanoic acid) bonded by a thioester bond with the -SH residue of the polypeptide chain in the epiicle layer.
- a higher fatty acid mainly eicosanoic acid
- the eicosanoic acid alkyl group imparts excellent water repellency to animal hair fibers.
- a water-repellent higher fatty acid constituting the outermost surface of the fiber is connected to an epicuticle layer (cystine content 12% by weight) by a thioester bond, and the epicuticle layer is formed at the lower part thereof. It forms an integral structure with the adjacent exotic a layer (cystine content 35% by weight) and occupies about 20% of the total thickness of the epidermis (cuticle). In this tissue, the entire epidermis (cuticle) About 70% by weight of cystine bonds are concentrated and distributed with respect to the cystine content. The remaining approximately 30% by weight is known to be an exoticle b layer (cystine content 15% by weight) and an endocicle layer (cystine content 3% by weight).
- the epidermal tissue is an actin layer, a b layer and an endocicle layer, but the actin layer has an integral structure with the epicicle layer, and the felting phenomenon is substantially the exo b layer. And depends on the endocicle layer.
- each layer absorbs more or less water and swells, but naturally the more cystine crosslinks are developed, the less the degree of swelling by water. Therefore, when immersed in water, the innermost endicle layer having a low cystine crosslink density is swollen with water and stretched, whereas the outer exoicle layer with a low cystine crosslink density is less swollen with water and has a low degree of stretch. The difference between the swelling and elongation causes the scale tip to rise, resulting in entanglement between the fibers and the felt.
- the fibers are entangled with each other, and other fibers are entangled by the external force applied to the fabric during washing, and the entire fiber is drawn into the entangled portion, and the length of the entire fiber mass Shrinks and felts, and felting is accompanied by shrinkage.
- the animal hair fiber excellent in shrinkage resistance and anti-pilling property of the present invention is mainly due to chemical modification of the epidermal tissue, and maintains the water repellency by the eicosanoic acid on the outermost surface, and the exoticle b layer and the endocicle. By making the swellability of the layers substantially equal, the rise of the scale when immersed in water is substantially eliminated.
- Reflection FT-IR measurement reflects a structure within 1 ⁇ m from the surface, which corresponds to the thickness of the surface structure of animal hair fibers being around 1 ⁇ m.
- FT-IR absorbance of animal fiber that has been modified process corresponds to -SO 3 H group absorption band and S-SO 3 Na group 1040 cm -1 corresponding to (sulfonic acid) (Bunte salt) 1024Cm -
- the relative absorbance with the absorption band corresponding to amide I (1650 cm ⁇ 1 ) being 1 increased as compared to the relative absorbance of untreated animal hair fibers, and the cross-linking of the exoicle b layer It shows that the bond is broken.
- the integral structure of epicuticle and exoicle a layer is directly attacked, The epicuticle layer is severely damaged, the water-repellent layer is destroyed, and the water repellency that is the original characteristic of animal hair fibers is lost.
- the entire fiber has an oxidizing action, causing a decrease in strength.
- the scale surface of the conventional shrink-resistant animal hair fibers is smoother, and the single fiber pull-out frictional resistance is lower than that of the animal hair fibers of the present invention that preserves the scale, and does not have sufficient pilling resistance.
- animal hair fiber in the present invention includes wool, mohair, alpaca, cashmere, llama, vicu ⁇ a, camel, and angora.
- the animal hair fiber having the above-described characteristics and excellent in shrinkage resistance according to the present invention can be manufactured by the following manufacturing method according to the present invention.
- cystine bonds in the epidermal cells of animal hair fibers are subjected to primary oxidation treatment to a lower oxidation state.
- the primary oxidation state of the cystine bond that is, the lower oxidation state is set.
- mono-oxidation —SO—S—
- di-oxidation —SO 2 —S—
- the state is particularly rich in mono-oxidation.
- suitable oxidizing agents for primary oxidation include persulfuric acid, peracetic acid, formic acid, neutral salts of these peracids, acidic salts, potassium permanganate, and hydrogen peroxide, which can be used alone. Or 2 or more types can also be mixed and used.
- a particularly preferred oxidizing agent is potassium hydrogen persulfate.
- the primary oxidized —SS— bond is oxidized by ozone into one or more higher oxidation states of di-, tri- or tetra-oxidation states.
- the higher order oxidation state refers to di-oxidation, tri-oxidation (—SO 2 —SO—), tetra-oxidation (—SO 2 —SO 2 —), or a mixture thereof. It is known that -SS-bond cleavage by a reducing agent is not easy in the mono-oxidation state and takes time, but is relatively easy to cleave in the di-, tri-, or tetra-oxidation state, The state is rich in di-, tri- or tetra-oxidation states.
- ozone is finely dispersed in an aqueous solution containing an anionic surfactant containing an alkyl group having 8 to 24 carbon atoms, and the animal hair fibers are subjected to ozone treatment.
- the surfactant is resistant to ozonolysis and is suitable for finely dispersing ozone.
- ozone is finely dispersed, the reactivity with animal hair fibers increases, and even when animal hair fibers are washed in water, felting hardly occurs, and the time for immersing animal hair fibers in an aqueous ozone solution can be shortened.
- the exo-b layer portion is preferentially and rapidly oxidized with ozone to a higher-order oxidation state.
- the amount of the anionic surfactant present in the aqueous solution is preferably in the range of 0.01 to 0.1% by weight. Within this range, stable processing can be performed. In addition, the processed product is not easily felted even in water-based washing.
- the surfactant includes sulfonic acid (R—SO 3 H, where R is an alkyl group having 8 to 24 carbon atoms), carboxylic acid (R—COOH, where R is an alkyl group having 8 to 24 carbon atoms), alcohol Sulfate ester (R—O—SO 3 , where R is an alkyl group having 8 to 24 carbon atoms), and phosphate ester (R 1 O—P (O) (OR 2 ) (OX), where R 1 is carbon number)
- a linear saturated fatty acid salt having an alkyl group having 8 to 24 carbon atoms a branched fatty acid salt having an alkyl group having 8 to 24 carbon atoms, and a linear or branched alkyl sulfate having 8 to 24 carbon atoms.
- Salt linear alkyl benzene sulfonate having 8 to 24 carbon atoms, branched alkyl benzene sulfonate having 8 to 24 carbon atoms, linear or branched alkyl sulfonate having 8 to 24 carbon atoms, 8 to 24 carbon atoms And mono- or dialkyl phosphates.
- the surfactant is sodium dodecyl sulfate (C 12 H 25 OSO 3 Na).
- the particle size of the ozone bubbles may be in the range of 0.5 to 3 ⁇ m.
- the apparent amount of ozone supplied to the animal hair fiber is preferably in the range of 1.5 to 4% o.w.f. (o.w.f. stands for on the weight of fiber).
- the measurement of the particle diameter of ozone bubbles follows the laser diffraction scattering method.
- the —SS— bond in the di-, tri-, or tetra-oxidized state is subjected to reductive cleavage treatment.
- sulfite is used as the reducing agent. This reduces animal hair fibers, cleaves cystine (—S—S—) bonds, reduces the density of cystine crosslinks in the exoticle b layer, promotes swelling, fluidization, and solubilization in water, Some protein is allowed to flow out of the fiber.
- the density of cystine crosslinks in the exoticle b layer is reduced by pre-oxidation (primary oxidation), ozone oxidation (higher-order oxidation), and reduction treatment with sulfite, and is made to be comparable to the water swelling of the endocicle.
- pre-oxidation primary oxidation
- ozone oxidation higher-order oxidation
- reduction treatment with sulfite is made to be comparable to the water swelling of the endocicle.
- the bimetallic function of the exo-ticule b layer and the endicle layer is lost, even if the obtained animal hair fiber is immersed in water, the tip of the scale does not rise and shrinkage does not occur.
- the epiicle layer and the eicosanoic acid thioester layer covering the surface thereof are still preserved, a high degree of shrinkage resistance is imparted without impairing water repellency.
- the single fiber pull-out resistance is higher than the shrink-proofing method with the scale peeled off or the scale surface is coated with resin, and the movement of the fibers is suppressed. As a result, it is difficult to pill.
- the animal hair fiber obtained by the method of the present invention has further excellent shrinkage resistance and anti-pilling property while maintaining the excellent water repellency inherent to the animal hair fiber.
- the shrinkage resistance of the animal hair fiber can be expressed by a felt shrinkage rate or a single fiber friction coefficient difference as one scale. When expressed in terms of felt shrinkage, the shrinkage of the animal hair fiber of the present invention is 10 hours, and an area shrinkage of 10% or less is possible. More preferably, it is 5% or less, and particularly preferably 3% or less.
- the difference ( ⁇ a ⁇ w ) between the reverse direction ( ⁇ a ) and the forward direction ( ⁇ w ) with respect to the scale direction is not yet determined in the static friction coefficient value or the dynamic friction coefficient value. It is preferably 30% or more lower than the treatment, more preferably 40% or more lower. In addition, the value of ⁇ a is about the same as the untreated value, and the value of ⁇ w is increased by 30% or more than the untreated value.
- the single fiber friction coefficient is measured according to JIS L 1015 and is performed under the following conditions.
- the present invention provides a pad for sliver made of animal hair fibers with an oxidizing agent capable of oxidizing the cystine-SS bond of animal hair fibers without using a chlorine agent or a chlorine-containing resin.
- ozone / oxygen mixed gas in water is an ultrafine bubble with a bubble diameter of 0.5-5 ⁇ m or less, preferably 0.5-3 ⁇ m In this state, these bubbles are collided with animal hair fibers that have been subjected to primary oxidation in advance for a certain period of time, and a gas phase oxidation reaction is performed in the liquid to oxidize wool cystine bonds to a higher order oxidation state, and then higher order oxidation.
- a cystine bond is cut
- Primary oxidation is generally pre-oxidized by a pad (impregnation) / steam (reaction) method, or in some cases, a pad store (reaction at room temperature).
- a pad impregnation
- steam reaction
- a pad store reaction at room temperature.
- the treatment agent penetrates into the inside of the fiber, the fiber or the whole fiber is oxidized, hydrolyzed, the cystine bond is cut, and the strength and Reduces physical properties such as elongation. Nevertheless, no shrinkage effect is obtained.
- the reaction temperature is room temperature or higher (substantially 32 ° C.
- the exoicle b layer is first subjected to primary oxidation (first step).
- first step the structure of the Epiicle layer and the Exotic A layer portion in contact with the Epiicle layer has a very high cystine crosslink density, and hence the structure is very hard and exhibits chemical resistance and wear resistance.
- the tissue that is finally decomposed by acid hydrolysis with 6N-hydrochloric acid is this epicycle portion.
- Epicuticles are therefore treated in histology as resistive films. Therefore, the ectoicle b layer is relatively more susceptible to oxidation than the epilayer and the exoicle a layer.
- a penetrant is placed in a bath containing an oxidizer aqueous solution, the bath temperature is adjusted to a room temperature (25 ° C.) or lower as much as possible, and the liquid contact time with animal hair fibers is increased.
- Pad imppregnated for a few seconds (about 2 to 3 seconds), and when the aqueous oxidizer solution does not reach the inside of the fiber and sufficiently penetrates the epidermis, it is taken out from the pad bath and immediately put into a mangle to oxidize the oxidant.
- “padding” is different from simply immersing the fiber in the bath and immersing the liquid in the fiber. In consideration of the chemical reactivity of the oxidant used with the animal hair fiber, Then, it is impregnating so as not to react. Select a penetrant with high permeability that does not undergo oxidative decomposition by the oxidant in the bath, to suppress reaction with the fiber by setting the bath temperature as low as possible, within a few seconds. It means squeezing by dipping.
- the second step in the treatment method of the present invention is a step of high-order oxidation of animal hair fibers primarily oxidized by an oxidizing agent with ozone.
- the oxidation with ozone takes a long time, and it has been difficult to bring it into an oxidation state sufficient to break the cystine bond. That is, when animal hair fibers are subjected to ozone oxidation, it is necessary to perform treatment for 10 minutes to 30 minutes using high-concentration ozone gas or ozone water. Under such conditions, continuous treatment is impossible.
- an ultrafine bubble scattering prevention device collect the ultrafine bubbles from the line mixer on the surface of the porous suction drum, and increase the number of times the ultrafine bubbles collide with the fibers.
- the animal hair fiber sliver is sufficiently opened with a rotary gill to form a thin strip, wound on the surface of a porous suction drum, and an ozone / oxygen mixed gas is lined.
- a means to accelerate the ozone oxidation by suctioning the liquid and increasing the number of collisions with the fibers is adopted. is doing.
- the used animal hair sliver is, for example, a top of about 25 g / m, and the nine tops are opened with a gil to form a belt, and the draft magnification varies depending on the fineness of the wool, but is 1.4 times. To about 4 times, preferably 1.66 times.
- the supply speed of the wool top is from 0.2 m / min to 4 m / min, and preferably from 0.5 m / min to 2 m / min.
- the striped wool top is immersed in an aqueous solution containing an oxidizing agent and a penetrant and squeezed with a mangle.
- oxidizing agents include persulfuric acid, potassium hydrogen persulfate, sodium hydrogen sulfate, ammonium persulfate, potassium persulfate, persulfates such as sodium persulfate or acidic persulfates, potassium permanganate, hydrogen peroxide, Examples include formic acid or its salts, peracetic acid or its salts, and the like.
- potassium persulfate for example, trade name “OXON” (2KHSO 5 ⁇ KHSO 4] is preferable because it is granular, easily dissolved, and the dissolved aqueous solution is stable at a temperature of 32 ° C. or lower.
- ⁇ K 2 SO 4 with KHSO 5 as the active composition is 42.8 wt%) which is a DuPont.
- As the penetrant “Alcopol 650” (manufactured by Ciba Specialty Chemicals Co., Ltd.) is preferable because it is stable against an oxidizing agent.
- the concentration of the oxidizing agent varies depending on the type of the oxidizing agent.
- potassium hydrogensulfate “Oxone” if the squeezing rate is 100%, it is 10 g / L to 50 g / L, preferably 20 g / L to 40 g / L. L. In the case of “Alcopol 650”, the penetrant is suitably about 2 g / L.
- the temperature of the pad solution is preferably as low as possible so as not to react in the solution. Particularly preferred is 15 to 25 ° C.
- the pH of the liquid is preferably on the acidic side. More preferably, the pH is 2.0.
- the oxidizing agent is reacted with the wool sliver, but the treatment conditions differ depending on the type of oxidizing agent.
- the treatment conditions differ depending on the type of oxidizing agent.
- the oxidizing agent for example, in the case of potassium permanganate, hydrogen peroxide, formic acid, and peracetic acid, a method in which these aqueous solutions are padded and then allowed to stand at room temperature is preferable.
- the standing time varies depending on the type and concentration of the oxidizing agent, but may be about 2 to 10 minutes.
- a primary oxidation reaction may be performed by performing a steaming treatment under normal pressure after padding these aqueous solutions.
- the steaming condition is 95 ° C. for about 5 to 15 minutes, and preferably about 10 minutes is sufficient for the primary oxidation.
- cystine (-SS-) content varies depending on the tissues constituting the epidermis and cortex.
- the present invention particularly modifies the epidermal tissue in order to impart shrinkage resistance and anti-pilling properties. Oxidation of the cystine bond proceeds in sequence as shown below, and the —SS— bond is cleaved only after hydrolysis and reduction treatment, and finally becomes sulfonic acid (—SO 3 H).
- the present invention reacts with an oxidizing agent, for example, potassium hydrogen persulfate, in a pad-steam method, and the —SS— bond is substantially stopped to a mono-oxidized state, and ozone is used in a later step. And higher order oxidation.
- an oxidizing agent for example, potassium hydrogen persulfate
- the —SS— bond is first oxidized in advance than the oxidation rate of ozone alone or potassium hydrogen persulfate alone, and then the ozone oxidation is performed. By doing so, the ozone oxidation reaction rate becomes remarkably quick and animal hair sliver can be continuously treated.
- ozone / oxygen mixed gas is blown into an animal hair sliver as ultrafine bubbles in water and collided, and high-order oxidation is performed by a gas phase reaction.
- a generator with a generation rate of about 250 g / hr (for example, manufactured by Chlorin Engineering Co., Ltd.) is sufficient, and continuous treatment of animal hair sliver is possible.
- oxygen gas is supplied at a rate of 40 L / min.
- the ozone gas generated in the mixed gas was 6.5% by weight in the mixed gas and 0.1 g / L in the volume concentration, depending on the degree of primary oxidation and others, but in an example 4 g / min.
- the conditions for treatment with ozone / oxygen mixed gas were optimal.
- the supply amount for imparting shrinkage resistance and anti-pilling property to the wool fiber is 6% o.w.f. or less, preferably 1.5% o.w.f. to 4% o.w.f.
- ozone gas In order to make ozone gas react efficiently with wool, it is one of the characteristics of the present invention that bubbles are made as fine as possible in water, the bubbles collide with the wool, and an oxidation reaction takes place there. For this reason, combined with the extremely low solubility of ozone in water, the result is that only the wool's epidermal tissue is oxidized, the cortical tissue that is the internal tissue is protected, and the surface modification effect of the wool is further enhanced.
- a method for making the ozone / oxygen mixed gas into ultrafine bubbles a method in which the mixed gas is introduced into a water flow pump and the water pressure is increased to hit the projections in the cylinder to make the bubbles into ultrafine bubbles is preferable.
- the strip-shaped wool sliver (2a) subjected to the primary oxidation treatment is squeezed between stainless steel mesh belts (1) and (3), and from the surface of the ozone treatment liquid (10) to the suction drum (5 ) To the ozone treatment tank (9).
- Reference numeral 8 denotes a liquid suction prevention plate.
- the ozone / oxygen mixed gas produced from the ozone generator (11) is introduced into the water flow pump (12), gas-liquid mixed, the water pressure is increased and sent to the line mixer (13), from the line mixer (13). Ultrafine bubbles are blown through the air outlet (6) onto the strip-shaped wool sliver.
- an ultrafine bubble collecting device (4) is loaded on the outer periphery of the suction drum, and further, the ultrafine bubbles are contained from the central portion (7) of the suction drum.
- the liquid is sucked (suction), and ultrafine bubbles collide with the belt-shaped wool sliver. This oxidizes the surface layer of the wool fiber.
- An anionic surfactant containing an alkyl group having 8 to 24 carbon atoms is added to the ozone treatment solution (aqueous solution) to finely disperse ozone.
- 2b is a wool sliver in which the surface layer of the wool fiber is oxidized.
- the present invention is carried out on the acidic side of pH 1.5 to 2.5, and preferable conditions are pH 1.7 to pH 2.0.
- Ozone is highly soluble in cold water but low in reactivity. In order to increase the reactivity, it is necessary to increase the processing temperature, but the temperature range is preferably 30 ° C. to 50 ° C. However, if the temperature is too high, the molecular motion of the mixed gas of ozone and oxygen increases, and the processing liquid tank Will be scattered from. A particularly preferred temperature is 40 ° C.
- the liquid contact time (reaction time) is preferably 20 seconds to 5 minutes.
- the reaction time can be controlled by the supply rate of the wool sliver, that is, the liquid contact time of the ozone treatment tank. For example, when the supply speed of the sliver is 0.5 m / min, the contact time is 2 minutes, and when the speed is 2 m / min, the contact time is 33 seconds. Control is possible.
- Ozone-oxidized wool sliver is treated with a reducing agent in an ozone treatment tank, and the —SS— bond is first broken as shown in the following formula.
- a sulfite is suitable.
- sodium sulfite Na 2 SO 3 (pH 9.7) is preferred to acidic sodium sulfite NaHSO 3 (pH 5.5). Since primary oxidation and ozone oxidation are carried out on the acidic side, it is preferable from the standpoint of neutralization treatment to carry out the reduction treatment on the alkali side.
- the concentration of sodium sulfite is preferably in the range of 10 g / L to 40 g / L, particularly preferably around 20 g / L.
- the temperature is preferably from 35 ° C to 45 ° C, particularly preferably around 40 ° C.
- the temperature is preferably about 40 ° C.
- a softening agent or spinning oil may be added to the final tank in consideration of the texture and spinning property of the wool sliver.
- a softening agent or spinning oil For example, 1 g / L alkamine CA New (Ciba Specialty Chemicals Co., Ltd.) and 1 g / L Cross Robe GCL (Crosfields / Miki Co., Ltd.) can be added and treated at 40 ° C.
- Drying is preferably performed with a suction dryer at a relatively low temperature of about 80 ° C. in order to avoid thermal yellowing.
- a comparison of various oxidation methods for animal hair fibers is as follows.
- (2) A large amount of aqueous solution in which ozone is dissolved is necessary.
- a high-concentration ozone generator is required, which increases capital investment.
- the padding operation stage is soaked under conditions that animal fiber and potassium hydrogen sulfate do not react. Is intended to be.
- the temperature of the aqueous solution of potassium hydrogen persulfate (the stabilization temperature of the aqueous solution, 20 ° C. or lower) is lowered, immersed in the aqueous solution for a short time (2 to 3 seconds) using a penetrant at a cold temperature, and then immediately mangled.
- the animal hair fiber is impregnated with a certain amount of potassium hydrogen persulfate.
- Fibers can be obtained by a continuous process.
- the treated animal hair fibers thus obtained are selectively attacked by the exoicle b layer, and the monolithic structure of the epicuticle and exoicle a layer having a hard structure is preserved.
- the water-repellent eicosane is preserved.
- the acid is also preserved, the water repellency of the entire fiber is maintained, and the fiber strength is also maintained.
- cystine bonds are oxidized and hydrolyzed to sulfonic acid (—SO 3 H), but not only the cleavage of cystine bonds but also polypeptides constituting wool fibers Since the chain is broken, the tensile strength and elongation of the fiber is lowered. It also destroys the thioester connective tissue formed between the eicosanoic acid on the outermost membrane of the wool fiber and the —SH group in the polypeptide chain, thereby converting hydrophobicity to hydrophilicity. Therefore, the original water repellent function of wool is lost.
- sulfonic acid —SO 3 H
- ⁇ Measuring method of felt shrinkage> the felt shrinkage is measured in accordance with the WM TM31 method (Wool Mark Test Method 31), and is knitted to a cover factor C.F. The ground is the test specimen.
- “conforms to WM TM31 method” means that the laundry tester was replaced with a Cubex shrinkage tester according to the test procedure of WM TM31 method set based on ISO 6330 method. To do.
- the anti-pilling property can be quantitatively expressed by a pilling test method based on JIS L 106.66.1A, and the pilling is grade 3 or higher.
- the pilling test according to the above criteria is performed under the following conditions. (1) Testing machine: ICI type testing machine (2) Knitted fabric: 1P18G knitted fabric is used
- the water repellency is evaluated by dropping water droplets on the finished knitted fabric from the corresponding animal hair fiber and penetrating the water droplets into the knitted fabric.
- the criteria for evaluation are as follows. A: Water drops remain on the knitted fabric after 30 minutes (equal to natural animal hair) B: Almost all of the water droplets penetrate into the knitted fabric in 2 to 30 minutes C: Almost all of the water droplets penetrate into the knitted fabric in less than 2 minutes
- the water repellency is evaluated by placing the sliver in water and the sliver You may evaluate by the speed which sucks and sinks in water. In the animal hair fiber of the present invention, water droplets remain on the knitted fabric even after 30 minutes, like natural animal hair.
- Example 1 According to the processing apparatus 41 described in FIG. 3, the wool sliver 2 was continuously processed.
- the processing apparatus 41 includes a pad processing tank 31, a steam processing apparatus 32, an ozone processing tank 33, a reduction processing tank 34, a first water washing processing tank 35, a second water washing processing tank 36, an oil agent applying apparatus 37, a drying apparatus 38, and a storage.
- the container 39 was connected, and the running speed of the sliver 2 was 2 m / min.
- Reference numeral 40 denotes a duct disposed above the steam treatment device 32 and the ozone treatment tank 33. In FIG.
- the pad processing tank 31 and the steam processing apparatus 32 perform the first process of the present invention
- the ozone processing tank 33 performs the second process
- the reduction processing tank 34 performs the third process.
- the processing in the pad processing tank 31 is expressed as “pad processing step”.
- Drying was performed at 80 ° C. using a suction hot air dryer.
- the treated strip-shaped sliver is stored in a storage container, then gilded, spun into a 2/48 Nm knitted yarn with a Z500 ⁇ S300 twist, the strength and elongation of the yarn are examined, and the cover factor C.I.
- electron microscope observation of the wool surface with Hitachi S-3500N was performed.
- the wool sliver of the examples of the present invention (Experiment Nos. 1-2 to 1-5) was soft and white, and the WM TM31 method was resistant to shrinkage by the WM TM31 method and passed the standard of area shrinkage based on the wool mark washing machine washing standard. Specifically, using the wool sliver of Experiment Nos. 1-2 to 1-5, the spun yarn shown in Table 1 was produced, and one 14 gauge piece was taken to cover the cover factor C.F. 0.41.
- Example 1-1 in which no surfactant was added, felt shrinkage after 5 hours decreased.
- the conventional shrinkage-prevention method is mainly a method of covering the wool surface with chlorinated and hercoset resin (polyamide epichlorohydrin), so that the shrinkage is obtained, but the water-repellent function is lost and it is easy to get wet. Due to the high thermal conductivity of the water, it took the body temperature and gave the wearer a feeling of cooling.
- the scale of the wool was not raised, that is, the anisotropy of the friction coefficient (DFE).
- DFE anisotropy of the friction coefficient
- the product of this example was shrink-proofed so as not to raise the wool scale in water.
- Comparative Examples are cationic surfactants, amphoteric surfactants, and nonionic surfactants, and the data of the felt shrinkage test and pilling test are inferior to those of Examples. It was.
- Example 2 The experiment was performed in the same manner as in Example 1 except that sodium dodecyl sulfate (C 12 H 25 OSO 3 Na, SDS) was used as the surfactant to be added to the ozone treatment solution, and the addition amount was changed. The results are shown in Table 2.
- Table 2 shows that if the amount of sodium dodecyl sulfate (C 12 H 25 OSO 3 Na, SDS) is in the range of 0.01 to 0.1% by weight, ozone can be atomized and felt shrinkage after 5 hours. It was good.
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Abstract
Description
(1)試験機:レーダー式摩擦係数試験機
(2)掛け糸荷重:200mg
(3)円筒周速度:90cm/min
(4)μaはスケールの方向に対して逆方向の摩擦係数、μwはスケールの方向に対して順方向の摩擦係数を意味する。
O3 + 2H+ + 2e- = O2 + H2O Eo =2.07V
であり、アルカリ側では、
O3 + H2O + 2e- = O2 + 2OH- Eo =1.24V
であり、酸性側の方が、酸化力は強く、またオゾンの水に対する溶解性は高く、半減期もはるかに長い。例えば、pH:10.5では半減期1秒、pH:2.0では半減期105秒である。
A.オゾン処理のみで酸化する場合
(1)オゾンは水に対する溶解度は極めて低く、0℃で39.4mg/L、25℃で13.9mg/L、60℃で0mg/Lであり、獣毛スライバーの連続処理という観点からは、低濃度のため処理時間が長くなり連続処理には適さない。
(2)オゾンが溶解した大量の水溶液が必要である。
(3)高濃度のオゾン発生装置が必要になり、設備投資がかさむ。
(4)高濃度のオゾンガスを使用する場合、排ガスや現場での作業環境に細心の注意が必要になる。
(1)獣毛繊維の高分子鎖の安定化に関与する側鎖結合のひとつに、イオン結合(-NH3 + -OOC-)があり、過硫酸水素カリウムのような薬剤は、浸漬方法では、温度と時間をかけて反応することから、カリウムイオン(+)、水素イオン(+)、あるいは過硫酸イオン(-)は、-NH3 +や-OOC-によって引き寄せられ、イオン結合を崩壊させ、さらに-S-S-結合をも切断して、繊維強度、伸度等を低下し、防縮効果は得られない。
(2)一方、過硫酸水素カリウムをパッド・スチームのみで獣毛繊維を酸化する方法においては、パッディング操作段階は、常識的に獣毛繊維と過硫酸水素カリウムが反応しないような条件で浸漬することを意図している。そのために、過硫酸水素カリウム(水溶液の安定化温度、20℃以下)の水溶液の温度を下げ、冷温で浸透剤を用いて、短時間(2~3秒)該水溶液に浸漬したのち、直ちにマングルで絞り、獣毛繊維に一定量の過硫酸水素カリウムを含浸させた状態とする。次に、これをスチーミングして熱を加えることにより、該薬剤が獣毛繊維に含浸した場所でのみ反応させることができる。この方法では、該繊維の内部まで侵されず、表層酸化のみに終わり、内部組織は保護され、本発明の目的である表皮組織の改質である防縮性、抗ピリング性付与に貢献することになる。
(1)ひとたび一次酸化された獣毛は、容易に迅速にオゾンで酸化され、短時間で獣毛への酸化は終了し連続処理が可能となる。
(2)前もって一次酸化しているため、低濃度のオゾンで十分酸化反応は促進され、そのため、低濃度のオゾン発生装置で十分、獣毛スライバーの連続処理が可能となる。
(3)低濃度のオゾン発生装置のため、作業環境を悪化させない。
(4)低濃度のオゾン発生装置のため、設備投資が少額ですむ。
以上のように、本発明の2段階酸化方法によれば、酸化剤又はオゾンの一方だけによる酸化処理では得られなかった予想されない効果的な酸化が可能となったのである。
前記においてフェルト収縮率とは、WM TM31法(Wool Mark Test Method 31)に準拠して測定するものであり、14ゲージ1本取りで、カバー・ファクターC.F. 0.41に編み立てた編地を試験体とするものである。ここで「WM TM31法に準拠」とは、ISO 6330法に基づいて設定されたWM TM31法の試験手順に従い、洗濯試験機をキュウベックス(Cubex)収縮試験機に代替して測定したことを意味する。
抗ピリング性は、JIS L 1076.6.1Aに準拠したピリング試験法によって定量的に表すことができ、ピリングが3級以上である。上記基準によるピリング試験は次の条件によって行う。
(1)試験機:ICI型試験機
(2)編地:1P18Gで編み立てた編地を使用
撥水性は、該当獣毛繊維から仕上げた編地上に水滴を滴下し、編地への水滴の浸透性によって評価する。評価の基準は次の通りである。
A:30分後も水滴が編地上に残存している(天然獣毛同等)
B:2~30分でほぼ水滴全量が編地に浸透する
C:2分未満でほぼ水滴全量が編地に浸透する
なお、撥水性の評価は、スライバーの状態で水上に置き、スライバーが水を吸って水中に沈む速さによって評価してもよい。本発明の獣毛繊維は、天然獣毛同様、30分後も水滴が編地上に残存している。
図3に記載した加工装置41に従って、羊毛スライバー2を連続的に処理した。この加工装置41は、パッド処理槽31、スチーム処理装置32、オゾン処理槽33、還元処理槽34、第1水洗処理槽35、第2水洗処理槽36、油剤付与装置37、乾燥装置38、収納容器39を連結してあり、スライバー2の走行速度は2m/minであった。40はスチーム処理装置32及びオゾン処理槽33の上方に配置されたダクトである。図3において、パッド処理槽31及びスチーム処理装置32で本発明の第1の工程を行い、オゾン処理槽33で第2の工程を行い、還元処理槽34で第3の工程を行う。下記の実施例においては、パッド処理槽31における処理を「パッド処理工程」のように表記する。
(1)ウール原料:
オーストラリア産20.7ミクロンのメリノ種羊毛からなるスライバー(25g/m)9本をロータリー・ギルに送り、1.66倍にドラフトして羊毛スライバーを帯状に開繊した。この帯状スライバーを下記の組成の水溶液にパッドし、マングルで絞った。
(2)パッド水溶液組成:
40g/L濃度の過硫酸水素カリウム KHSO5(デュポン(株)社製「オキソン」)、2g/L濃度の湿潤剤「アルコポール650」(チバ・スペシャルティ・ケミカルズ(株)社製)
(3)処理条件:
接触時間;2秒
温度;室温(25℃)
pH;2.0
絞り率;100%
マングル絞り後、スチーム処理工程に搬送した。
帯状に湿漬した羊毛スライバーをコンベアー・ネット上で、下記の条件でスチーム処理した。95℃、10minスチーム処理後、オゾン処理槽に搬送した。
スチーム処理したスライバーをサクション式オゾン処理槽に送り下記の条件でオゾン酸化を行った。
(1)250g/hr オゾナイザー(クロリン・エンジニアリング(株)社製、「OZAT CFS-3」)を使用し、酸素源として酸素ボンベを用いた。
(2)発生したオゾンガスを、揚水量80L/minからなる4つのポンプから各々4つのラインミキサーに送った。各々のラインミキサーのオゾン吹込量は、10L/minであり、合計、40L/minであった。図2に示す超微細気泡飛散防止装置を用いて、超微細気泡をサクション・ドラム上の羊毛スライバーに吹き付けて衝突させ、更に、その回数を増加させるためにドラムの内部から処理液をサクションしてドラムの外側に循環させて、下記の条件でオゾン処理を行った。
(3)オゾン気泡;粒径0.5~3μmの超微細気泡(オゾン気泡の粒径の測定は、レーザ回折散乱法を使用し、粒子数90%以上が含まれる粒径とした。)
(4)オゾン処理水溶液中に表1に示す界面活性剤を添加量0.1重量%添加
(5)処理温度;40℃
(6)pH;1.7(硫酸調整)
(7)接触時間;33秒
(8)オゾン処理後、還元槽に搬送した。
オゾン処理させた帯状のスライバーをサクション式還元処理槽で、下記の条件で処理した。
(1)20g/L;亜硫酸ソーダ Na2SO3
(2)pH;9.7
(3)温度;40℃
(4)接触時間;33秒
(5)還元処理後、水洗槽に搬送した。
還元処理された帯状のスライバーをサクション式水洗処理槽中で、40℃の温水で33秒間処理した。水洗後、更に、水洗処理槽に搬送した。
帯状のスライバーをサクション式水洗処理槽で、40℃の温水で33秒間処理した。水洗後、後工程に必要な紡績油剤、柔軟剤を付与するため、最終槽に搬送した。
水洗された帯状のスライバーを下記紡績油剤・柔軟剤処理の入ったサクション式処理槽で40℃の温水で33秒間処理した。
処理剤:1g/L濃度の「アルカミン CA New」(チバ・スペシャルティ・ケミカルズ(株)製)、及び1g/L濃度の「クロスルーベ GCL」(クロスフィールズ/ミキ(株)製)油剤処理後、乾燥機に搬送した。
乾燥は、サクション式熱風乾燥機を用い、80℃で乾燥した。
オゾン処理溶液中に添加する界面活性剤をドデシル硫酸ナトリウム(C12H25OSO3Na, SDS)を使用し、添加量を変えた以外は実施例1と同様に実験した。この結果を表2に示す。
2 羊毛スライバー
2a 一次酸化処理された羊毛スライバー
2b 羊毛繊維の表層が酸化された羊毛スライバー
3 オゾン処理装置のメッシュベルト(内ベルト)
4 オゾン処理装置のドラムカバー(超微細気泡飛散防止装置)
5 オゾン処理装置のサクションドラム
6 オゾン・酸素混合ガス含有液の吹出口
7 サクション口
8 液吸込防止板
9 オゾン処理槽
10 オゾン処理液液面
11 オゾン発生器
12 オゾン・酸素混合ガス含有液循環用ポンプ
13 ラインミキサー
21 エピクチクル層
22 エキソクチクルa層
23 エキソクチクルb層
24 エンドクチクル層
25 細胞間充填物
31 パッド処理槽
32 スチーム処理装置
33 オゾン処理槽
34 還元処理槽
35 第1水洗処理槽
36 第2水洗処理槽
37 油剤付与装置
38 乾燥装置
39 収納容器
40 ダクト
41 加工装置
Claims (8)
- 獣毛繊維の表皮細胞中のシスチン結合(-S-S-結合)を低次の酸化状態へ一次酸化する第1の工程、
一次酸化された-S-S-結合をオゾンにより、ジ-、トリ-及びテトラ-酸化状態から選ばれる少なくとも一つの高次酸化状態に酸化する第2の工程、及び
前記高次酸化状態の-S-S-結合を還元切断する第3の工程を含み、獣毛繊維に防縮及び抗ピリング性を付与する方法であって、
前記第2の工程において、炭素数8~24のアルキル基を有するアニオン界面活性剤を存在させた水溶液中でオゾンを微分散させ、前記獣毛繊維を前記オゾンと接触させることを特徴とする改質された獣毛繊維の製造方法。 - 前記水溶液中の前記アニオン界面活性剤の存在量が、0.01~0.1重量%の範囲である請求項1に記載の改質された獣毛繊維の製造方法。
- 前記界面活性剤が、スルホン酸(R-SO3H、但しRは炭素数8~24のアルキル基)、カルボン酸(R-COOH、但しRは炭素数8~24のアルキル基)、アルコールの硫酸エステル(R-O-SO3H、但しRは炭素数8~24のアルキル基)、及びリン酸エステル(R1O-P(O)(OR2)(OX)、但しR1は炭素数8~24のアルキル基、R2は炭素数8~24のアルキル基または水素原子、Xは水素原子)から選ばれる親水性基のアルカリ金属塩を少なくとも一つ有するアニオン界面活性剤である請求項1又は2に記載の改質された獣毛繊維の製造方法。
- 前記界面活性剤が、ドデシル硫酸ナトリウム(C12H25OSO3Na)である請求項1~3のいずれか1項に記載の改質された獣毛繊維の製造方法。
- 前記オゾンの気泡の粒径が0.5~3μmの範囲である請求項1に記載の改質された獣毛繊維の製造方法。
- 前記獣毛繊維に対するオゾンの見掛けの供給量が1.5~4% o.w.f.の範囲である請求項1に記載の改質された獣毛繊維の製造方法。
- 前記獣毛繊維を前記オゾンと接触させることにより、前記獣毛繊維の表層を酸化させる請求項1~6のいずれか1項に記載の改質された獣毛繊維の製造方法。
- 前記獣毛繊維を前記オゾンと接触させる条件が、前記オゾンを微分散させた水溶液のpHが1.5~2.5の酸性側であり、温度範囲が30~50℃であり、液接触時間(反応時間)が20秒~5分である請求項1~7のいずれか1項に記載の改質された獣毛繊維の製造方法。
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RU2012105009/05A RU2488652C1 (ru) | 2009-09-11 | 2010-06-23 | Способ изготовления модифицированного волокна животного происхождения |
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Cited By (2)
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JP2016141913A (ja) * | 2015-02-04 | 2016-08-08 | 帝人株式会社 | 繊維束の製造方法 |
JP2017014680A (ja) * | 2016-08-08 | 2017-01-19 | 株式会社ソトー | 深色処理布及び衣服 |
Families Citing this family (2)
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CN102936833B (zh) * | 2012-11-15 | 2015-05-20 | 浙江中新毛纺织有限公司 | 一种全面易护理羊毛条的制备方法及其产品 |
JP2020117832A (ja) * | 2019-01-24 | 2020-08-06 | 日本蚕毛染色株式会社 | 獣毛繊維製品の製造方法、獣毛繊維製品製造用薬剤キットおよび獣毛繊維製品 |
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US4189303A (en) * | 1978-05-10 | 1980-02-19 | The United States Of America As Represented By The Secretary Of Agriculture | Method of shrinkproofing animal fibers with ozone |
JP3200054B2 (ja) * | 1999-09-30 | 2001-08-20 | 倉敷紡績株式会社 | 獣毛繊維の改質方法 |
US6969409B2 (en) * | 2000-07-26 | 2005-11-29 | Kurabo Industries Ltd. | Animal fiber superior in shrink proofing and method for preparation thereof |
EP1176245B1 (en) * | 2000-07-26 | 2004-12-08 | Kurabo Industries Ltd. | Shrinkproof animal fiber |
RU2277967C2 (ru) * | 2001-07-17 | 2006-06-20 | Зи-Вей ЛИАНГ | Способ окислительной термохимической сушки для изменения гидрофильных/гидрофобных свойств натуральных органических веществ |
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2010
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- 2010-06-23 CA CA2748432A patent/CA2748432C/en not_active Expired - Fee Related
- 2010-06-23 EP EP10815197.8A patent/EP2362013A4/en not_active Withdrawn
- 2010-06-23 US US13/063,375 patent/US8357208B2/en active Active
- 2010-06-23 JP JP2010548689A patent/JP4726265B2/ja not_active Expired - Fee Related
- 2010-06-23 CN CN201080030452.4A patent/CN102471991B/zh not_active Expired - Fee Related
- 2010-06-23 KR KR1020117011566A patent/KR101253690B1/ko not_active IP Right Cessation
- 2010-06-23 NZ NZ593824A patent/NZ593824A/xx not_active IP Right Cessation
- 2010-06-23 AU AU2010293671A patent/AU2010293671B2/en not_active Ceased
- 2010-06-23 MY MYPI2011006061 patent/MY152095A/en unknown
- 2010-07-06 TW TW99122127A patent/TWI470131B/zh not_active IP Right Cessation
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JPS50126997A (ja) * | 1974-04-01 | 1975-10-06 | ||
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JP2002105851A (ja) * | 2000-07-26 | 2002-04-10 | Kurabo Ind Ltd | 防縮性に優れた獣毛繊維およびその製造方法 |
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JP2016141913A (ja) * | 2015-02-04 | 2016-08-08 | 帝人株式会社 | 繊維束の製造方法 |
JP2017014680A (ja) * | 2016-08-08 | 2017-01-19 | 株式会社ソトー | 深色処理布及び衣服 |
Also Published As
Publication number | Publication date |
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KR20110086108A (ko) | 2011-07-27 |
CN102471991A (zh) | 2012-05-23 |
TWI470131B (zh) | 2015-01-21 |
AU2010293671A1 (en) | 2011-07-21 |
NZ593824A (en) | 2013-10-25 |
JPWO2011030599A1 (ja) | 2013-02-04 |
JP4726265B2 (ja) | 2011-07-20 |
CN102471991B (zh) | 2014-01-08 |
EP2362013A4 (en) | 2014-09-03 |
US20110191963A1 (en) | 2011-08-11 |
EP2362013A1 (en) | 2011-08-31 |
KR101253690B1 (ko) | 2013-04-15 |
US8357208B2 (en) | 2013-01-22 |
CA2748432A1 (en) | 2011-03-17 |
TW201109495A (en) | 2011-03-16 |
MY152095A (en) | 2014-08-15 |
RU2488652C1 (ru) | 2013-07-27 |
AU2010293671B2 (en) | 2012-11-15 |
CA2748432C (en) | 2013-04-02 |
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