WO2013172387A1 - ポリエステル系人工毛髪用繊維及びそれを含む頭飾製品、並びにその製造方法 - Google Patents
ポリエステル系人工毛髪用繊維及びそれを含む頭飾製品、並びにその製造方法 Download PDFInfo
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- WO2013172387A1 WO2013172387A1 PCT/JP2013/063589 JP2013063589W WO2013172387A1 WO 2013172387 A1 WO2013172387 A1 WO 2013172387A1 JP 2013063589 W JP2013063589 W JP 2013063589W WO 2013172387 A1 WO2013172387 A1 WO 2013172387A1
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- WO
- WIPO (PCT)
- Prior art keywords
- polyester
- fiber
- artificial hair
- flame retardant
- hair
- Prior art date
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- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
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- 238000009987 spinning Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- BHYQWBKCXBXPKM-UHFFFAOYSA-N tris[3-bromo-2,2-bis(bromomethyl)propyl] phosphate Chemical compound BrCC(CBr)(CBr)COP(=O)(OCC(CBr)(CBr)CBr)OCC(CBr)(CBr)CBr BHYQWBKCXBXPKM-UHFFFAOYSA-N 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G3/00—Wigs
- A41G3/0083—Filaments for making wigs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
- A41G5/004—Hair pieces
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G3/00—Wigs
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H3/00—Dolls
- A63H3/36—Details; Accessories
- A63H3/44—Dolls' hair or wigs; Eyelashes; Eyebrows
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2503/00—Domestic or personal
- D10B2503/08—Wigs
Definitions
- the present invention relates to a polyester-based artificial hair fiber that can be used as a substitute for human hair, and more specifically, a polyester-based artificial hair fiber having gloss and feel similar to human hair, a headdress product including the same, and production thereof Regarding the method.
- human hair has been used as a fiber material for hair used in hair ornament products such as hair wigs, wigs, hair extensions, hair accessories, and doll hair.
- hair ornament products such as hair wigs, wigs, hair extensions, hair accessories, and doll hair.
- various artificial hair fibers such as acrylic fibers such as modacrylic fibers, polyvinyl chloride fibers, and polyester fibers.
- the fiber for artificial hair such as polyester fiber has a strong gloss on the fiber surface, and when used for hair ornament products such as hair wigs and wigs. There was a problem that the whole hair was uncomfortable.
- Patent Document 1 proposes a technique for adjusting the gloss of a fiber by incorporating organic particles or inorganic particles into a polyester-based artificial hair fiber as a method of adjusting gloss. This is a technique for forming protrusions on the fiber surface with fine particles.
- the present invention solves the above-mentioned conventional problems and provides a polyester-based artificial hair fiber having gloss and feel similar to human hair, a hair ornament product including the same, and a method for producing the same.
- the present invention is a polyester-based artificial hair fiber in which a polyester resin composition is melt-spun, and the polyester resin composition includes 100 parts by weight of a polyester resin and 5 to 40 parts by weight of a brominated epoxy flame retardant. And 1.5 parts by weight or more and less than 7 parts by weight of antimony oxide, and the polyester resin is at least one selected from the group consisting of polyalkylene terephthalates and copolymerized polyesters mainly composed of polyalkylene terephthalates.
- a polyester-based artificial hair comprising an aggregate of brominated epoxy flame retardant dispersed in islands in the polyester resin in a cross section parallel to the fiber axis direction
- the present invention relates to hair fibers.
- the polyester-based artificial hair fiber of the present invention is a brominated epoxy having a needle ratio of 2 to 20 and a diagonal width of 0.05 ⁇ m or more per 360 ⁇ m 2 in a cross section parallel to the fiber axis direction.
- the brominated epoxy has an acicular ratio of 2.5 to 100/7 and a diagonal width of 0.07 ⁇ m or more per 360 ⁇ m 2.
- Brominated epoxy-based flame retardant having an aggregate of 40 or more flame retardant, more preferably having a needle ratio of 20/7 to 100/9 and a diagonal width of 0.09 ⁇ m or more per 360 ⁇ m 2 It has 10 or more agglomerates of fuel.
- the polyester-based artificial hair fiber of the present invention has a diagonal width of 0.15 ⁇ m or more and less than 0.8 ⁇ m and an acicular ratio of more than 0 and less than 6 per 3036 ⁇ m 2 in a cross section parallel to the fiber axis direction. It is preferable to have 300 or more aggregates of a certain brominated epoxy flame retardant and 20 or less aggregates of brominated epoxy flame retardant having a diagonal width of 0.8 ⁇ m or more.
- the polyester artificial hair fiber of the present invention preferably contains 0.1% by weight or more and 2% by weight or less of pigment or dye in the fiber.
- the present invention also relates to a headdress product comprising the above-mentioned polyester-based artificial hair fiber.
- the head decoration product may be any one selected from the group consisting of hair wigs, wigs, weaving, hair extensions, blade hairs, hair accessories, and doll hairs.
- the present invention is also a method for producing a polyester-based artificial hair fiber using a polyester resin composition, the polyester resin composition comprising 100 parts by weight of a polyester resin and 5 parts by weight of a brominated epoxy flame retardant. 40 parts by weight or less and 1.5 parts by weight or more and less than 7 parts by weight of antimony oxide, and the polyester resin is one or more selected from the group consisting of polyalkylene terephthalate and copolymerized polyesters mainly composed of polyalkylene terephthalate.
- a polyester system comprising an aggregate of brominated epoxy flame retardant that is melt-spun from the polyester resin composition and dispersed in islands in the polyester resin in a cross section parallel to the fiber axis direction.
- a method for producing a polyester-based artificial hair fiber characterized by obtaining a fiber for artificial hair About.
- the present invention relates to polyester-based artificial hair by forming an aggregate of brominated epoxy-based flame retardant using a combination of a specific amount of brominated epoxy-based flame retardant and antimony oxide in a polyester-based artificial hair fiber. It is possible to provide a polyester-based artificial hair fiber and a hair ornament product including the same, which maintain a soft touch similar to human hair while adjusting the gloss of the fiber for use to approximate human hair. In addition, it is possible to provide a dark-colored polyester-based artificial hair fiber having luster similar to human hair and retaining a soft touch similar to human hair, and a hair ornament product including the same. According to the production method of the present invention, it is possible to obtain a polyester-based artificial hair fiber having a gloss similar to human hair and having a soft touch feeling similar to human hair.
- FIG. 1 is a scanning electron micrograph (5000 magnifications) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Example 1 of the present invention.
- FIG. 2 is a scanning electron micrograph (1000 times) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Example 3 of the present invention.
- FIG. 3 is a scanning electron micrograph (1000 times) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Example 4 of the present invention.
- FIG. 4 is a scanning electron micrograph (1000 times) of a cross section in a direction parallel to the fiber axis direction of the polyester artificial hair fiber of Example 5 of the present invention.
- FIG. 1 is a scanning electron micrograph (5000 magnifications) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Example 1 of the present invention.
- FIG. 2 is
- FIG. 5 is a scanning electron micrograph (1000 times) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Example 8 of the present invention.
- FIG. 6 is a scanning electron micrograph (1000 times) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Comparative Example 3 of the present invention.
- FIG. 7 is a scanning electron micrograph (1000 times) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Comparative Example 4 of the present invention.
- FIG. 8 is a diagram schematically showing the diagonal width and the maximum length of a brominated epoxy flame retardant aggregate in a cross section parallel to the fiber axis direction of the polyester-based artificial hair fiber of the present invention. .
- the present inventors have found that when the polyester fiber contains a specific amount of brominated epoxy flame retardant and antimony oxide, the antimony oxide is converted to brominated epoxy. Acts as a catalyst for the reaction between flame retardants, and the brominated epoxy flame retardant becomes a lump (aggregate) of a certain size, forming irregularities on the surface of the polyester artificial hair fibers, and human hair.
- the present inventors have found that it is possible to realize a gloss close to human hair by suppressing the gloss while providing a soft tactile sensation similar to the above.
- the polyester-based artificial hair fiber of the present invention is obtained by melt spinning a polyester resin composition.
- the polyester resin composition contains a polyester resin, a brominated epoxy flame retardant, and antimony oxide.
- the polyester resin is at least one selected from the group consisting of polyalkylene terephthalate and copolymer polyesters mainly composed of polyalkylene terephthalate.
- polyalkylene terephthalate a polyethylene terephthalate, a polypropylene terephthalate, a polybutylene terephthalate, a polycyclohexane dimethylene terephthalate etc. are mentioned.
- the copolymer polyester mainly composed of the above polyalkylene terephthalate is not particularly limited.
- polyalkylene terephthalate such as polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polycyclohexanedimethylene terephthalate, and other copolymer components.
- a copolyester containing a copolyester containing.
- main component means containing 80 mol% or more
- copolyester mainly composed of polyalkylene terephthalate means a copolyester containing 80 mol% or more polyalkylene terephthalate.
- Examples of the other copolymerization components include isophthalic acid, orthophthalic acid, naphthalenedicarboxylic acid, paraphenylenedicarboxylic acid, trimellitic acid, pyromellitic acid, succinic acid, glutaric acid, adipic acid, superic acid, azelaic acid, Polycarboxylic acids such as sebacic acid and dodecanedioic acid and derivatives thereof, dicarboxylic acids including sulfonic acid salts such as 5-sodium sulfoisophthalic acid and dihydroxyethyl 5-sodium sulfoisophthalate, and derivatives thereof 1,2- Propanediol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,4-cyclohexanedimethanol, diethylene glycol, polyethylene glycol, trimethylolpropane, pen
- copolyester mainly composed of polyalkylene terephthalate include, for example, polyethylene terephthalate as a main component, bisphenol A ethylene glycol ether, 1,4-cyclohexanedimethanol, isophthalic acid and 5-sodium sulfoisophthalic acid dihydroxy.
- the above polyalkylene terephthalate and the copolymer polyester mainly composed of the above polyalkylene terephthalate may be used alone or in combination of two or more.
- a polyester mainly composed of polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate or polyethylene terephthalate, copolymerized with ethylene glycol ether of bisphenol A polyester mainly composed of polyethylene terephthalate and copolymerized with 1,4-cyclohexanedimethanol
- the polyester resin composition contains 5 to 40 parts by weight of a brominated epoxy flame retardant with respect to 100 parts by weight of the polyester resin.
- the brominated epoxy flame retardant is contained in an amount of 10 to 30 parts by weight, more preferably 15 to 25 parts by weight, based on 100 parts by weight of the polyester resin.
- the content of the brominated epoxy flame retardant is within the above range, it can react with each other by the action of antimony oxide to form aggregates dispersed in islands in the polyester resin, and the gloss adjustment effect Excellent.
- the brominated epoxy flame retardant may be a brominated epoxy flame retardant having a molecular terminal consisting of an epoxy group or tribromophenol as a raw material, but the structure after melt-kneading of the brominated epoxy flame retardant is: There is no particular limitation, and when the total number of structural units represented by the following chemical formula (1) and structural units in which at least a part of the following chemical formula (1) is modified is 100 mol%, 80 mol% or more is represented by chemical formula (1). Any configuration unit may be used.
- the brominated epoxy flame retardant may change its structure at the molecular end after melt-kneading.
- the molecular end of the brominated epoxy flame retardant may be substituted with a hydroxyl group other than an epoxy group or tribromophenol, phosphoric acid, phosphonic acid, etc., and the molecular end is bonded with a polyester component and an ester group. Also good.
- a part of the structure other than the molecular terminal of the brominated epoxy flame retardant may change.
- the secondary hydroxyl group of the brominated epoxy flame retardant and the epoxy group may be bonded to form a branched structure. If the bromine content in the brominated epoxy flame retardant molecule does not change greatly, the following chemical formula ( A part of bromine of 1) may be eliminated or added. *
- a polymer type brominated epoxy flame retardant represented by the following general formula (2) is preferably used.
- examples of the polymer brominated epoxy flame retardant represented by the following general formula (2) include a brominated epoxy flame retardant (trade name “SR-T2MP”) manufactured by Sakamoto Pharmaceutical Co., Ltd. Commercial products may be used.
- m is 1 to 1000.
- the polyester resin composition contains 1.5 parts by weight or more and less than 7 parts by weight of antimony oxide with respect to 100 parts by weight of the polyester resin.
- the antimony oxide is likely to act as a catalyst for the reaction between brominated epoxy flame retardants, and the brominated epoxy flame retardant is dispersed in islands in the polyester resin to be described later. Therefore, it is easy to form an aggregate having an appropriate size and number.
- the brominated epoxy flame retardant is in an island shape in the polyester resin in a cross section parallel to the fiber axis direction. It is difficult to form dispersed aggregates and it is difficult to obtain a gloss suppressing effect.
- the content of the antimony oxide with respect to 100 parts by weight of the polyester resin is 7 parts by weight or more, the aggregate of brominated epoxy flame retardant becomes too large in a cross section parallel to the fiber axis direction, Gloss is likely to be excessively suppressed, and color developability is also likely to deteriorate, and the natural feeling is significantly reduced compared to human hair. Further, when the content of the antimony oxide with respect to 100 parts by weight of the polyester resin is 7 parts by weight or more, the tactile sensation and the combing property are also deteriorated.
- the antimony oxide examples include antimony trioxide, antimony tetraoxide, and antimony pentoxide. These may be used alone or in combination of two or more.
- the brominated epoxy flame retardant and antimony oxide exhibit an effect of adjusting gloss.
- the brominated epoxy flame retardant and antimony oxide may exhibit functions as a flame retardant and a flame retardant aid, respectively, in addition to the gloss adjustment effect.
- the said polyester fiber for artificial hair may also contain other flame retardants other than brominated epoxy flame retardant, and other flame retardant adjuvants other than antimony oxide within the range which does not inhibit the effect of this invention.
- flame retardant aids include metal antimonate. Although it does not specifically limit as said antimonic acid metal salt, For example, sodium antimonate (sodium antimonate), potassium antimonate, etc. can be used. As other flame retardants, for example, other bromine-containing flame retardants other than phosphorus-containing flame retardants and brominated epoxy flame retardants can be used. Examples of the phosphorus-containing flame retardant include a phosphoric ester amide compound and an organic cyclic phosphorus compound.
- bromine-containing flame retardants include, for example, pentabromotoluene, hexabromobenzene, decabromodiphenyl, decabromodiphenyl ether, bis (tribromophenoxy) ethane, tetrabromophthalic anhydride, ethylenebis (tetrabromophthalimide), ethylene Brominated phosphate esters such as bis (pentabromophenyl), octabromotrimethylphenylindane, tris (tribromoneopentyl) phosphate, brominated polystyrenes, brominated polybenzyl acrylates, brominated phenoxy resins, brominated polycarbonate Oligomers, tetrabromobisphenol A, tetrabromobisphenol A-bis (2,3-dibromopropyl ether), tetrabromobisphenol A-bis (allyl ether), teto Tetrabromobis
- the brominated epoxy flame retardant forms aggregates dispersed in islands in the polyester resin.
- the polyester-based artificial hair fiber is a brominated epoxy resin having a needle-like ratio of 2 to 20 and a diagonal width of 0.05 ⁇ m or more per 360 ⁇ m 2 in a cross section parallel to the fiber axis direction. It is preferable to have 50 or more aggregates of the flame retardant. Thereby, unevenness
- the acicular ratio is 20/7 or more and 100/9 or less and the diagonal width is 0.09 ⁇ m or more. It has 10 or more aggregates of a certain brominated epoxy flame retardant.
- the acicular ratio of 2 or more and 20 or less is the same as the flatness ratio of 0.05 or more and 0.5 or less, and the acicular ratio of 2.5 or more and 100/7 or less.
- the flatness ratio is the same as 0.07 or more and 0.4 or less, and the acicular ratio is 20/7 or more and 100/9 or less is the same as the flatness ratio of 0.09 or more and 0.35 or less. It is.
- polyester-based artificial hair fibers have a diagonal width of 0.15 ⁇ m or more and less than 0.8 ⁇ m and an acicular ratio of more than 0 and less than 6 per 3036 ⁇ m 2 in a cross section parallel to the fiber axis direction. It is preferable to have 300 or more aggregates of brominated epoxy flame retardant and 20 or less aggregates of brominated epoxy flame retardant having a diagonal width of 0.8 ⁇ m or more.
- corrugation can be moderately formed in the surface of the said fiber for polyester-type artificial hair, and glossiness can be adjusted so that it may approximate a human hair, providing soft touch. Further, good passability can be maintained.
- the polyester-based artificial hair fiber has a diagonal width of 0.15 ⁇ m or more and less than 0.8 ⁇ m and an acicular ratio of more than 0 per 3036 ⁇ m 2 in a cross section parallel to the fiber axis direction. It is preferable to have 350 or more brominated epoxy flame retardant aggregates of less than 15 and 15 or less brominated epoxy flame retardant aggregates having a diagonal width of 0.8 ⁇ m or more. More preferably, the polyester-based artificial hair fiber has a diagonal width of 0.15 ⁇ m or more and less than 0.8 ⁇ m and a needle ratio of more than 0 per 3036 ⁇ m 2 in a cross section parallel to the fiber axis direction.
- brominated epoxy flame retardant aggregates having a diagonal width of 0.8 ⁇ m or more and 10 or less aggregates of brominated epoxy flame retardant having a diagonal width of 0.8 ⁇ m or more.
- the number of brominated epoxy flame retardant aggregates having a diagonal width of 0.15 ⁇ m or more and less than 0.8 ⁇ m and an acicular ratio of more than 0 and less than 6 is less than 300, it is difficult to obtain a sufficient gloss suppressing effect.
- the aggregate of the brominated epoxy flame retardant having a diagonal width of 0.8 ⁇ m or more exceeds 20, there is a possibility that gloss may be excessively suppressed, touch feeling and combability may be deteriorated.
- the diagonal width of the brominated epoxy flame retardant aggregate is a direction perpendicular to the fiber axis direction of the brominated epoxy flame retardant aggregate in a cross section parallel to the fiber axis direction.
- the maximum length in. In the present invention, the maximum length of the brominated epoxy flame retardant aggregate is parallel to the fiber axis direction of the brominated epoxy flame retardant aggregate in a cross section parallel to the fiber axis direction.
- the acicular ratio of the brominated epoxy flame retardant aggregate refers to the ratio of the maximum length and the diagonal width of the brominated epoxy flame retardant aggregate. Note that the ratio of the diagonal width to the maximum length of the brominated epoxy flame retardant aggregate is the flat ratio.
- FIG. 8 schematically showing the diagonal width and the maximum length of the aggregate of brominated epoxy flame retardant in the cross section parallel to the fiber axis direction of the polyester-based artificial hair fiber of the present invention.
- aggregates 20 of brominated epoxy flame retardant are dispersed in islands in polyester resin 10 in cross section 100 parallel to fiber axis direction D.
- the maximum length W in the direction perpendicular to the fiber axis direction D of the aggregate 20 of the brominated epoxy flame retardant is the diagonal width W
- the maximum length L in the direction parallel to the fiber axis direction D of the aggregate 20 of the flame retardant is the maximum length L.
- the acicular ratio of the brominated epoxy flame retardant aggregate 20 is represented by the maximum length L / diagonal width W
- the flat ratio of the brominated epoxy flame retardant aggregate 20 is represented by the diagonal width W /.
- the maximum length L is indicated.
- the aggregate of the brominated epoxy flame retardant in the polyester fiber for artificial hair can be confirmed by observing a cross section parallel to the fiber axis direction with a scanning electron microscope (SEM) or the like.
- SEM scanning electron microscope
- FIG. 1 the SEM photograph (5000 times) of the cross section of the direction parallel to the fiber-axis direction in the fiber for polyester-type artificial hair of one Example (Example 1) of this invention is shown.
- the flat bodies dispersed in an island shape in the polyester resin are aggregates of brominated epoxy flame retardants.
- the acicular ratio, the diagonal width, and the number per unit area of the brominated epoxy flame retardant aggregate are measured. Can do.
- the cross-section in the direction parallel to the fiber axis direction can be produced, for example, by cross-section production (ion milling) using a cross section polisher (CP) apparatus.
- CP cross section polisher
- the polyester-based artificial hair fibers may be colored, and are preferably colored dark black from the viewpoint of market demand.
- “dark color” means a color having an L value (hereinafter also simply referred to as L value) in the Lab color system of less than 40.
- the L value can be measured using a general colorimeter. Specifically, for example, a spectrocolorimeter “CM-2600d” manufactured by Konica Minolta can be used.
- the polyester artificial hair fibers can be colored by an original dressing method or a post-dyeing method.
- the colorant is melt-kneaded together with the components of the polyester resin composition such as polyester resin and brominated epoxy flame retardant, and after the melt-kneading
- a colored fiber can be obtained by melt spinning a polyester resin composition containing a colorant.
- a soot colorant for example, a pigment or a dye can be used.
- a processed pigment processed with a dispersant or the like, a master batch pigment, or the like may be used.
- the dye a processed dye processed with a dispersant or the like, a master batch dye, or the like may be used. These colorants may be used alone or in combination of two or more.
- the polyester-based artificial hair fiber preferably contains 0.1% by weight or more and 2% by weight or less of pigment or dye in the fiber. If the pigment or dye is less than 0.1% by weight, the pigment or dye is not sufficiently colored and may appear dull. If it exceeds 2% by weight, the tactile sensation may be deteriorated.
- the concentration (content) of the pigment or dye is preferably from 0.1% by weight to 2% by weight and more preferably from 0.3% by weight to 1.5% by weight with respect to the polyester resin composition. Is more preferable. If the concentration of the pigment or dye is less than 0.1% by weight, it may not be sufficiently colored and may appear dull. If it exceeds 2% by weight, the tactile sensation may be deteriorated.
- the pigment is not particularly limited as long as it is generally used.
- organic pigments such as black, yellow, red, and brown
- inorganic pigments such as black, yellow, red, and brown
- the dye is not particularly limited as long as it is generally used.
- organic black, yellow, red and brown dyes, inorganic black, yellow, red and brown dyes and the like can be used. Two or more kinds of pigments and dyes may be mixed and used.
- pigment examples include carbon black, anthraquinone and perinone pigments.
- dyes such as black, yellow, red, and brown can be arbitrarily used, and two or more dyes may be mixed and used.
- the above dyes include, for example, benzeneazo series (monoazo, disazo, etc.), heterocyclic azo series (thiazolazo, benzothiazoleazo, thiophenazo, etc.), anthraquinone series, condensed series (quinophthalene, styryl, coumarin, etc.)
- the disperse dyes are preferably used.
- Dyeing is preferably performed at a temperature of 90 ° C. or higher and 150 ° C. or lower, more preferably 100 ° C. or higher and 140 ° C. or lower. Moreover, it is preferable to carry out by adjusting the dyeing bath containing dye to appropriate pH.
- a dyeing aid may be used together with the dye for the purpose of improving the fixability and dispersibility.
- the dyeing assistant include a dispersant, a leveling agent, and an oligomer removing agent.
- the dyeing assistant examples include formaldehyde condensate of naphthalenesulfonic acid, polyoxyalkylene alkyl aryl ether, polyoxyalkylene alkyl ester, polyoxyalkylene alkyl aryl ether sulfate, polyoxyalkylene aryl ether sulfate.
- a salt or the like can be used.
- the above dyeing assistant is preferably used in the range of 0.5 g / L or more and 2 g / L or less with respect to the dyeing bath.
- the pH adjuster for example, a combination of acetic acid and sodium acetate, a combination of acetic acid and sodium pyrophosphate, a sodium dihydrogen phosphate or a combination of an organic phosphorus compound and a polycarboxylic acid can be used.
- the pH adjuster is preferably used in the range of 0.5 g / L to 2 g / L with respect to the dyeing bath.
- the dye in the post-dyeing method is preferably exhausted by 0.1% by mass or more in the polyester-based artificial hair fiber.
- polyester-based artificial hair fibers there are many color variations from dark colors such as black hair to intermediate colors such as brown and red hair, and light colors such as blonde and white hair (gray). It is necessary to adjust the amount of exhaustion appropriately.
- the amount of dye exhaustion can be adjusted by the concentration of the dyeing bath, the dyeing temperature, and the time.
- pigments As pigments, dyes, dyeing aids and the like used for coloring the polyester artificial hair fibers, those having weather resistance and flame retardancy are preferable.
- the above-mentioned polyester-based artificial hair fiber may contain various additives such as a heat-resistant agent, a stabilizer, a fluorescent agent, an antioxidant, and an antistatic agent as necessary.
- a stabilizer for example, stearyl acid phosphate can be used.
- the polyester-based artificial hair fiber of the present invention is a brominated epoxy system obtained by melt-spinning the above-described polyester resin composition and dispersed in islands in the polyester resin in a cross section parallel to the fiber axis direction. It can be produced by forming a flame retardant aggregate.
- a polyester resin composition obtained by dry blending the above-described polyester resin, brominated epoxy flame retardant, antimony oxide and other components is melt-kneaded using various general kneaders, pelletized, and then melted. It can be produced by spinning.
- the kneader include a single screw extruder, a twin screw extruder, a roll, a Banbury mixer, and a kneader. Among these, a twin screw extruder is preferable from the viewpoint of adjusting the degree of kneading and ease of operation.
- the temperature of the extruder, gear pump, base, etc. is set to 250 to 300 ° C., melt-spun, and spun
- the yarn is cooled to below the glass transition point of the polyester resin and taken up at a speed of 50 m / min to 5000 m / min to obtain a spun yarn (undrawn yarn).
- the temperature and length of the heating cylinder, the temperature and blowing amount of the cooling air, the temperature of the cooling water tank, the cooling time and the take-up speed can be adjusted as appropriate depending on the amount of polymer discharged and the number of holes in the die.
- the obtained spun yarn is preferably heat drawn.
- Stretching may be performed by any of a two-step method in which a spun yarn is once wound and then stretched, or a direct spin-stretching method in which a spun yarn is continuously stretched without being wound.
- the thermal stretching is performed by a one-stage stretching method or a multi-stage stretching method having two or more stages.
- a heating means in the heat stretching a heating roller, a heat plate, a steam jet device, a hot water tank or the like can be used, and these can be used in combination as appropriate.
- an oil agent such as a fiber treatment agent or a softening agent can be added to the above-mentioned polyester-based artificial hair fiber, so that the touch and texture can be made closer to human hair.
- the fiber treatment agent include a silicone fiber treatment agent and a non-silicone fiber treatment agent for improving tactile feel and combability.
- the fineness is preferably 10 dtex or more and 100 dtex or less, more preferably 20 dtex or more and 90 dtex or less.
- the polyester-based artificial hair fiber of the present invention has a gloss and soft touch similar to human hair, and can be suitably used as artificial hair. Further, the color developability and combability are also good.
- the polyester-based artificial hair fibers of the present invention can be used as artificial hair alone or in combination with other artificial hair fibers, natural fibers such as human hair and animal hair.
- the headdress product formed using the polyester-based artificial hair fiber of the present invention is excellent in gloss and touch. Moreover, it is excellent in coloring property and combing property.
- the head decoration product is not particularly limited, and examples thereof include hair wigs, wigs, weaving, hair extensions, blade hairs, hair accessories, doll hairs, and the like.
- the above headdress product may be composed of only the polyester-based artificial hair fibers of the present invention. Moreover, the said head decoration product may combine the natural fiber, such as other artificial hair fibers, human hair, and animal hair, with the polyester-based artificial hair fibers of the present invention.
- the raw materials used in the examples and comparative examples are as follows. Polyethylene terephthalate: Mitsubishi Chemical Corporation, trade name “BK-2180” Brominated epoxy flame retardant: Sakamoto Pharmaceutical Co., Ltd., trade name “SR-T2MP” Antimony trioxide: manufactured by Nippon Seiko Co., Ltd., trade name “PATOX-M” Sodium antimonate: Nippon Seiko Co., Ltd., trade name “SA-A” Black pigment: manufactured by Dainichi Seika Kogyo Co., Ltd., trade name “PESM 22367 BLACK (100) D” Yellow pigment: manufactured by Dainichi Seika Kogyo Co., Ltd., trade name “PESM1001YELLOW (100) D” Red pigment: manufactured by Dainichi Seika Kogyo Co., Ltd., trade name “PESM3005RED (100) D”
- Examples 1 and 2 Comparative Examples 1 and 2
- Each raw material was dried to a water content of 100 ppm or less, and dry blended in the blending amounts shown in Table 1 below.
- the obtained polyester resin composition was supplied to a twin-screw extruder (manufactured by Nippon Steel Works, trade name “TEX44”), melt-kneaded at a barrel set temperature of 270 ° C., and pelletized.
- the obtained pellets were dried to a moisture content of 100 ppm or less.
- the dried pellets are supplied to a melt spinning machine (trade name “SV30” manufactured by Shinko Machinery Co., Ltd.) and have a barrel-shaped nozzle hole with a barrel setting temperature of 270 ° C.
- the molten polymer was discharged from the spinneret, air-cooled with a cooling air of 20 ° C., and wound at a speed of 100 m / min to obtain an undrawn yarn.
- the obtained unstretched yarn was stretched 3.5 times using a heat roll heated to 75 ° C., heat-treated with a heat roll heated to 180 ° C., wound at a speed of 30 m / min, and the single fiber fineness was A polyester-based artificial hair fiber (multifilament) of about 60 dtex was obtained.
- Examples 3 to 5 Comparative Examples 3 to 6
- a mixture in which the raw materials are mixed in the blending amounts shown in Table 1 below is dried to a water content of 100 ppm or less, and the above-described pigment is added to the mixture with a total pigment concentration (content) of 0.7% by weight, and a black pigment.
- the yellow pigment and the red pigment were added so as to have a weight ratio of 60:25:15 and dry blended.
- the obtained polyester resin composition was supplied to a twin-screw extruder (manufactured by Nippon Steel Works, trade name “TEX44”), melt-kneaded at a barrel set temperature of 270 ° C., and pelletized.
- the obtained pellets were dried to a moisture content of 100 ppm or less.
- the dried pellets are supplied to a melt spinning machine (trade name “SV30” manufactured by Shinko Machinery Co., Ltd.) and have a barrel-shaped nozzle hole with a barrel setting temperature of 270 ° C. and a flatness ratio of 1.4: 1.
- the molten polymer was discharged from the spinneret, air-cooled with a cooling air of 20 ° C., and wound at a speed of 100 m / min to obtain an undrawn yarn.
- the obtained unstretched yarn was stretched 3.5 times using a heat roll heated to 75 ° C., heat-treated with a heat roll heated to 180 ° C., wound at a speed of 30 m / min, and the single fiber fineness was A polyester-based artificial hair fiber (multifilament) of about 65 dtex was obtained.
- Example 6 A mixture in which the raw materials are mixed in the blending amounts shown in Table 1 below is dried to a moisture content of 100 ppm or less, and the above-described pigment is added to the mixture to a total pigment content of 0.7% by weight.
- the polyester-based artificial hair fibers were prepared in the same manner as in Examples 3 to 5 and Comparative Examples 3 to 6 except that the red pigment was added in a weight ratio of 75: 20: 5 and dry blended. Multifilament) was obtained.
- Example 7 A mixture in which the raw materials are mixed in the blending amounts shown in Table 1 below is dried to a moisture content of 100 ppm or less, and the above-described pigment is added to the mixture to a total pigment content of 0.7% by weight.
- a polyester-based artificial hair fiber in the same manner as in Examples 3 to 5 and Comparative Examples 3 to 6) except that the red pigment was added so as to have a weight ratio of 45:25:30 and dry blended. Multifilament) was obtained.
- Example 8 A mixture in which the raw materials are mixed in the blending amounts shown in Table 1 below is dried to a water content of 100 ppm or less, and the above-described pigment is added to the mixture to a total pigment content of 0.02% by weight.
- a polyester-based artificial hair fiber in the same manner as in Examples 3 to 5 and Comparative Examples 3 to 6) except that the red pigment was added in a weight ratio of 10:80:10 and dry blended. Multifilament) was obtained.
- the diagonal width of the brominated epoxy flame retardant aggregate in the cross section parallel to the fiber axis direction, the needle ratio, per 360 ⁇ m 2 The number (reference 1) and the number per 3036 ⁇ m 2 (reference 2) were measured as follows, and the results are shown in Table 1 below. Further, the glossiness, color developability, feel and combing property of the polyester fibers of Examples 1 to 8 and Comparative Examples 1 to 6 were evaluated as shown below. The results are shown in Table 1 below. Regarding the gloss, the uncolored white fibers of Examples 1 and 2 and Comparative Examples 1 and 2 were evaluated based on the gloss evaluation 1 based on white Chinese hair.
- the colored fibers of Examples 3 to 8 and Comparative Examples 3 to 6 were evaluated based on gloss evaluation 1 and gloss evaluation 2.
- the L color values of the black Chinese hair, chestnut Chinese hair, blond Chinese hair, and white Chinese hair measured by the Lab color system were measured as follows: 15, 28, 42, 85.
- the L values of the colored fibers of Examples 3 to 8 and Comparative Examples 3 to 6 were measured, and the results of the L value of human hair described above were taken into consideration.
- black Chinese Gloss was evaluated based on the gloss evaluation 2 based on the hair, and the gloss of the fibers having an L value of 40 or more was evaluated based on the gloss evaluation 1 based on the white Chinese hair.
- the coloring properties of Examples 3 to 8 and Comparative Examples 3 to 6 were evaluated as follows, and the results are shown in Table 1 below.
- the composition image of the sample depends on the average atomic number, heavy elements
- the sample contains polyethylene terephthalate, brominated epoxy flame retardant, and antimony compound
- the composition image is (1) antimony compound,
- the brominated epoxy flame retardant is dispersed in islands in polyethylene terephthalate.
- bromine was analyzed using image analysis software ("winROOF" manufactured by Mitani Corporation). Flocculation of the diagonal width of the epoxy-based flame retardant, acicular ratio, number per 360 .mu.m 2 (reference 1) was measured number per 3036Myuemu 2 (reference 2).
- the image analysis software The number of aggregates of brominated epoxy flame retardant per 360 ⁇ m 2 may be directly counted based on the image without using, but it is preferable to use image analysis software because the accuracy is high.
- Gloss measurement was performed using a SAMBA Hair System manufactured by Bossa Nova Tech. BNT was measured using a tow filament having a length of 25 cm and a weight of 5 g as a sample. n was set to 5, and the average value of the BNT values was defined as the gloss value. Black human hair (BNT value 26) was used as human hair. A: It is equivalent to the gloss of human hair (BNT value is 15 or more and 37 or less). B: It is almost equivalent to the gloss of human hair (BNT value is 12 or more and less than 15 or BNT value is more than 37 and 40 or less).
- BNT value is 10 or more and less than 12, or BNT value is more than 40 and 43 or less.
- D There is a considerable difference from the gloss of human hair (BNT value is less than 10 or BNT value is more than 43).
- Tow filament with a length of 30 cm and a total fineness of 100,000 dtex is made of a PO / EO random copolymer (manufactured by Maruhishi Yuka Kogyo Co., Ltd., trade name “Conditioner Type-Q”, molecular weight 20000) and a cation. Immersion in an aqueous solution containing 3 wt. And dried at 80 ° C. for 5 minutes. A polyacetal resin comb (trade name “New Delrin Comb # 826” manufactured by Uehara Cell Co., Ltd.) was applied to the treated tow filament at a speed of 0.3 m / s from the top 3 cm to the bottom of the tow filament. Passed more than once and evaluated the ease of passing the comb. A: Almost no resistance (light). B: Slight resistance (slightly heavy) C: There is considerable resistance, or it is caught on the way (heavy). D: The comb does not pass.
- CM-2600d SCI method
- FIG. 1 shows a field emission scanning electron micrograph (5000 magnifications) of a cross section in a direction parallel to the fiber axis direction of the polyester-based artificial hair fiber of Example 1. Further, field emission type scanning electron micrographs (1000 times) of the cross sections parallel to the fiber axis direction of the polyester-based artificial hair fibers of Examples 3 to 5 and 8 and Comparative Examples 3 to 5 are shown in FIGS. 7 shows.
- the brominated epoxy flame retardant formed aggregates dispersed in islands in the polyester resin.
- the polyester resin composition comprises 100 parts by weight of a polyester resin, 5 to 40 parts by weight of a brominated epoxy flame retardant, and 1.5 to 7 parts by weight of antimony oxide.
- the polyester-based artificial hair fibers of the examples in which the aggregates of brominated epoxy flame retardants, in which the product is melt-spun and dispersed in the form of islands in the polyester resin, have gloss and feel similar to human hair.
- the polyester-based artificial hair fibers of the examples also had good color developability and combability.
- the polyester fiber of Comparative Example 3 not containing antimony oxide and Comparative Example 6 containing no brominated epoxy flame retardant is a brominated epoxy flame retardant dispersed in an island shape in the polyester resin.
- the polyester fiber of Comparative Example 4 (FIG. 7) containing sodium antimonate but not containing antimony oxide has an aggregate of brominated epoxy flame retardant dispersed in an island shape in the polyester resin.
- the gloss was considerably different from that of human hair.
- Comparative Example 2 and Comparative Example 5 in which the amount of antimony oxide was 7 parts by weight or more, both gloss and feel were significantly different from human hair.
- polyester-based artificial hair fiber has a cross-section parallel to the fiber axis direction and has a brominated epoxy-based difficulty having a needle-like ratio of 2 to 20 and a diagonal width of 0.05 ⁇ m or more per 360 ⁇ m 2. It had 50 or more agglomerates of flame retardant. Further, in a cross section parallel to the fiber axis direction, a brominated epoxy flame retardant having a needle-like ratio of 2.5 to 100/7 and a diagonal width of 0.07 ⁇ m or more per 360 ⁇ m 2.
- a brominated epoxy flame retardant having an acicular ratio of 20/7 to 100/9 and a diagonal width of 0.09 ⁇ m or more per 360 ⁇ m 2. It had 10 or more aggregates. As a result, the luster approximates that of human hair and a good tactile sensation.
- the polyester-based artificial hair fibers of Examples 1 to 8 have a diagonal width of 0.15 ⁇ m or more and less than 0.8 ⁇ m and an acicular ratio per 3036 ⁇ m 2 in a cross section parallel to the fiber axis direction. It has 300 or more aggregates of brominated epoxy flame retardant which is less than 0 and less than 6, and 20 or less aggregates of brominated epoxy flame retardant whose diagonal width is 0.8 ⁇ m or more.
- the luster approximates that of human hair and a good tactile sensation. In particular, even when it is colored dark, it has a gloss similar to human hair and has a good tactile sensation.
- the polyester fibers of Comparative Examples 1 to 6 are bromine having a needle ratio of 2 to 20 and a diagonal width of 0.05 ⁇ m or more per 360 ⁇ m 2 in a cross section parallel to the fiber axis direction. There were less than 50 aggregates of the epoxidized epoxy flame retardant. In addition, in a cross section parallel to the fiber axis direction, a brominated epoxy flame retardant having a diagonal width of 0.15 ⁇ m or more and less than 0.8 ⁇ m and an acicular ratio of more than 0 and 6 or less per 3036 ⁇ m 2. It had less than 300 aggregates or more than 20 aggregates of brominated epoxy flame retardant having a diagonal width of 0.8 ⁇ m or more. In the comparative example, a polyester-based artificial hair fiber having gloss and feel similar to human hair could not be obtained.
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Abstract
Description
ポリエチレンテレフタレート:三菱化学株式会社製、商品名「BK-2180」
臭素化エポキシ系難燃剤:阪本薬品工業株式会社製、商品名「SR-T2MP」
三酸化アンチモン:日本精鉱株式会社製、商品名「PATOX-M」
アンチモン酸ナトリウム:日本精鉱株式会社製、商品名「SA-A」
黒色顔料:大日精化工業株式会社製、商品名「PESM22367BLACK(100)D」
黄色顔料:大日精化工業株式会社製、商品名「PESM1001YELLOW(100)D」
赤色顔料:大日精化工業株式会社製、商品名「PESM3005RED(100)D」
各原料を水分量100ppm以下に乾燥し、下記表1に示す配合量でドライブレンドした。得られたポリエステル樹脂組成物を二軸押出機(日本製鋼所株式会社製、商品名「TEX44」)に供給し、バレル設定温度270℃で溶融混練し、ペレット化した。得られたペレットを水分率100ppm以下に乾燥させた。次いで、乾燥したペレットを、溶融紡糸機(シンコーマシナリー株式会社製、商品名「SV30」)に供給し、バレル設定温度270℃で、扁平比が1.4:1の繭形断面ノズル孔を有する紡糸口金より溶融ポリマーを吐出し、20℃の冷却風により空冷し、100m/分の速度で巻き取って未延伸糸を得た。得られた未延伸糸を、75℃に加熱したヒートロールを用いて3.5倍に延伸し、180℃に加熱したヒートロールで熱処理し、30m/分の速度で巻き取り、単繊維繊度が約60dtex程度のポリエステル系人工毛髪用繊維(マルチフィラメント)を得た。
各原料を下記表1に示す配合量で混合した混合物を水分量100ppm以下に乾燥し、該混合物に上述した顔料を顔料のトータル濃度(含有量)が0.7重量%になるとともに、黒色顔料、黄色顔料、赤色顔料の重量割合が60:25:15になるように添加してドライブレンドした。得られたポリエステル樹脂組成物を二軸押出機(日本製鋼所株式会社製、商品名「TEX44」)に供給し、バレル設定温度270℃で溶融混練し、ペレット化した。得られたペレットを水分率100ppm以下に乾燥させた。次いで、乾燥したペレットを、溶融紡糸機(シンコーマシナリー株式会社製、商品名「SV30」)に供給し、バレル設定温度270℃で、扁平比が1.4:1の繭形断面ノズル孔を有する紡糸口金より溶融ポリマーを吐出し、20℃の冷却風により空冷し、100m/分の速度で巻き取って未延伸糸を得た。得られた未延伸糸を、75℃に加熱したヒートロールを用いて3.5倍に延伸し、180℃に加熱したヒートロールで熱処理し、30m/分の速度で巻き取り、単繊維繊度が約65dtex程度のポリエステル系人工毛髪用繊維(マルチフィラメント)を得た。
各原料を下記表1に示す配合量で混合した混合物を水分量100ppm以下に乾燥し、該混合物に上述した顔料を顔料のトータル含有量が0.7重量%になるとともに、黒色顔料、黄色顔料、赤色顔料の重量割合が75:20:5になるように添加してドライブレンドした以外は、実施例3~5、比較例3~6の場合と同様の方法でポリエステル系人工毛髪用繊維(マルチフィラメント)を得た。
各原料を下記表1に示す配合量で混合した混合物を水分量100ppm以下に乾燥し、該混合物に上述した顔料を顔料のトータル含有量が0.7重量%になるとともに、黒色顔料、黄色顔料、赤色顔料の重量割合が45:25:30になるように添加してドライブレンドした以外は、実施例3~5、比較例3~6の場合と同様の方法でポリエステル系人工毛髪用繊維(マルチフィラメント)を得た。
各原料を下記表1に示す配合量で混合した混合物を水分量100ppm以下に乾燥し、該混合物に上述した顔料を顔料のトータル含有量が0.02重量%になるとともに、黒色顔料、黄色顔料、赤色顔料の重量割合が10:80:10になるように添加してドライブレンドした以外は、実施例3~5、比較例3~6の場合と同様の方法でポリエステル系人工毛髪用繊維(マルチフィラメント)を得た。
臭素化エポキシ系難燃剤の凝集体の対角幅、針状比及び一定面積あたりの個数は、下記分析方法で観察・測定した。繊維軸方向に対して平行方向の断面の断面作製(イオンミリング加工)は、クロスセクションポリッシャー(CP)装置(日本電子株式会社製「SM-09020CP」)を用い、加速電圧6kVの加工条件で行った。形態観察は、電界放出型走査電子顕微鏡(FE-SEM)装置(カールツァイス製「ULTRA plus」を用い、加速電圧2kV下で観察した。試料の組成像は平均原子番号に依存するため、重元素がある部分では明るく、軽元素がある部分では暗い像が得られる。今回、試料はポリエチレンテレフタレート、臭素化エポキシ系難燃剤、アンチモン化合物を含むため、組成像は、(1)アンチモン化合物、(2)臭素化エポキシ系難燃剤、(3)ポリエチレンテレフタレートの順で明るい像が得られる。例えば、図1に示したように、臭素化エポキシ系難燃剤は、ポリエチレンテレフタレート中に島状に分散した凝集体であることが確認できた。得られた画像から、画像解析ソフト(三谷商事株式会社製「winROOF」)を用い、臭素化エポキシ系難燃剤の凝集体の対角幅、針状比、360μm2あたりの個数(基準1)、3036μm2あたりの個数(基準2)を測定した。なお、基準1の場合、画像解析ソフトを使わず、画像に基づいて360μm2あたりの臭素化エポキシ系難燃剤の凝集体の個数を直接数えてもよいが、画像解析ソフトを使った方が精度が高く、好ましい。
長さ30cm、総繊度10万dtexのトウフィラメントを用い、太陽光のもと、目視により、以下の基準で光沢を評価した。人毛として、中国人の頭髪(白髪)を用いた。
A:人毛の光沢と同等である。
B:人毛の光沢とほぼ同等である。
C:人毛の光沢とやや差がある。
D:人毛の光沢とかなり差がある。
Bossa Nova Tech社製のSAMBA Hair Systemを用いて光沢測定を行った。長さ25cm、重さ5gのトウフィラメントを試料とし、BNTを測定した。nを5とし、BNT値の平均値を光沢値とした。人毛として、黒色の中国人頭髪(BNT値26)を用いた。
A:人毛の光沢と同等である(BNT値が15以上37以下)。
B:人毛の光沢とほぼ同等である(BNT値が12以上15未満、或いは、BNT値が37超40以下)。
C:人毛の光沢とやや差がある(BNT値が10以上12未満、或いは、BNT値が40超43以下)。
D:人毛の光沢とかなり差がある(BNT値が10未満、或いは、BNT値が43超)。
長さ30cm、総繊度10万dtexのトウフィラメントを用い、太陽光のもと、目視により、以下の基準で評価した。
A:透明感があり、色の深み(鮮やかさ)がある。
B:若干不透明感があるが、色の深み(鮮やかさ)は低下していない。
C:不透明感(曇り)があり、若干色の深み(鮮やかさ)が低下している。
D:不透明感があり、色の深みがない。
人毛との比較で官能評価を行い、以下の基準で評価した。
A:人毛と同等の非常に柔らかな風合い。
B:人毛に似た柔らかな風合い。
C:人毛に比べやや硬い風合い。
D:人毛に比べ硬い風合い。
長さ30cm、総繊度10万dtexのトウフィラメントを、繊維表面処理剤であるPO/EOランダム共重合体(丸菱油化工業社製、商品名「Conditioner Type-Q」、分子量20000)とカチオン系帯電防止剤(丸菱油化工業社製、商品名「加工油剤 No.29」)(重量比75:25)を3重量%含む水溶液に浸漬し、それぞれ0.1重量%が繊維に付着するようにし、80℃で5分間乾燥させた。処理されたトウフィラメントにポリアセタール樹脂製くし(株式会社植原セル製、商品名「ニューデルリンコーム#826)を0.3m/sの速さでトウフィラメントの上部3cmの所から下へ、完全に30回以上通過させ、くしの通り易さを評価した。
A:ほとんど抵抗ない(軽い)。
B:若干抵抗がある(若干重い)。
C:かなり抵抗がある、又は、途中で引っかかる(重い)。
D:くしが通らない。
得られた繊維を、コニカミノルタ製の分光測色計「CM-2600d」(SCI方式)で測色し、L値を測定した。
濃色:L値40未満
淡色:L値40以上
Claims (9)
- ポリエステル樹脂組成物が溶融紡糸されたポリエステル系人工毛髪用繊維であり、
前記ポリエステル樹脂組成物は、ポリエステル樹脂100重量部と、臭素化エポキシ系難燃剤5重量部以上40重量部以下と、酸化アンチモン1.5重量部以上7重量部未満を含み、
前記ポリエステル樹脂は、ポリアルキレンテレフタレート及びポリアルキレンテレフタレートを主体とする共重合ポリエステルからなる群から選ばれる1種以上であり、
前記ポリエステル系人工毛髪用繊維は、繊維軸方向に対して平行方向の断面において、前記ポリエステル樹脂中に島状に分散している臭素化エポキシ系難燃剤の凝集体を有することを特徴とするポリエステル系人工毛髪用繊維。 - 前記ポリエステル系人工毛髪用繊維は、繊維軸方向に対して平行方向の断面において、360μm2あたりに、針状比が2以上20以下且つ対角幅が0.05μm以上である臭素化エポキシ系難燃剤の凝集体を50個以上有する請求項1に記載のポリエステル系人工毛髪用繊維。
- 前記ポリエステル系人工毛髪用繊維は、繊維軸方向に対して平行方向の断面において、3036μm2あたりに、対角幅が0.15μm以上0.8μm未満且つ針状比が0超6未満である臭素化エポキシ系難燃剤の凝集体を300個以上有し、並びに対角幅が0.8μm以上である臭素化エポキシ系難燃剤の凝集体を20個以下有する請求項1又は2に記載のポリエステル系人工毛髪用繊維。
- 前記ポリエステル系人工毛髪用繊維は、繊維軸方向に対して平行方向の断面において、360μm2あたりに、針状比が2.5以上100/7以下且つ対角幅が0.07μm以上である臭素化エポキシ系難燃剤の凝集体を40個以上有する請求項1~3のいずれか1項に記載のポリエステル系人工毛髪用繊維。
- 前記ポリエステル系人工毛髪用繊維は、繊維軸方向に対して平行方向の断面において、360μm2あたりに、針状比が20/7以上100/9以下且つ対角幅が0.09μm以上である臭素化エポキシ系難燃剤の凝集体を10個以上有する請求項1~4のいずれか1項に記載のポリエステル系人工毛髪用繊維。
- 繊維中に顔料又は染料を0.1重量%以上2重量%以下含む請求項1~5のいずれか1項に記載のポリエステル系人工毛髪用繊維。
- 請求項1~6のいずれか1項に記載のポリエステル系人工毛髪用繊維を含むことを特徴とする頭飾製品。
- 前記頭飾製品が、ヘアーウィッグ、かつら、ウィービング、ヘアーエクステンション、ブレードヘアー、ヘアーアクセサリー及びドールヘアーからなる群から選ばれる一種である請求項7に記載の頭飾製品。
- ポリエステル樹脂組成物を用いてポリエステル系人工毛髪用繊維を製造する方法であって、
前記ポリエステル樹脂組成物は、ポリエステル樹脂100重量部と、臭素化エポキシ系難燃剤5重量部以上40重量部以下と、酸化アンチモン1.5重量部以上7重量部未満を含み、
前記ポリエステル樹脂は、ポリアルキレンテレフタレート及びポリアルキレンテレフタレートを主体とする共重合ポリエステルからなる群から選ばれる1種以上であり、
前記ポリエステル樹脂組成物を溶融紡糸し、繊維軸方向に対して平行方向の断面において、前記ポリエステル樹脂中に島状に分散している臭素化エポキシ系難燃剤の凝集体を有するポリエステル系人工毛髪用繊維を得ることを特徴とするポリエステル系人工毛髪用繊維の製造方法。
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AP2013007066A AP3700A (en) | 2012-05-16 | 2013-05-15 | Polyester-based fiber for artificial hair and hair ornament product including the same, and method for producing the same |
US14/400,752 US9560891B2 (en) | 2012-05-16 | 2013-05-15 | Polyester-based fiber for artificial hair and hair ornament product including the same, and method for producing the same |
KR1020147027606A KR101526252B1 (ko) | 2012-05-16 | 2013-05-15 | 폴리에스테르계 인공 모발용 섬유 및 그것을 포함하는 두식 제품, 그리고 그 제조 방법 |
CN201380023880.8A CN104270977A (zh) | 2012-05-16 | 2013-05-15 | 聚酯系人工毛发用纤维及包含其的头饰制品、以及其制造方法 |
JP2014515656A JP5651270B2 (ja) | 2012-05-16 | 2013-05-15 | ポリエステル系人工毛髪用繊維及びそれを含む頭飾製品、並びにその製造方法 |
ZA2013/05973A ZA201305973B (en) | 2012-05-16 | 2013-08-08 | Polyester-based fiber for artificial hair and hair ornament product including the same, and method for producing the same |
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US10323337B2 (en) | 2015-04-10 | 2019-06-18 | Kaneka Corporation | Polyester fiber for artificial hair, process for producing same, and hair ornament product including same |
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KR101725481B1 (ko) * | 2015-07-01 | 2017-04-26 | 한국엔지니어링플라스틱 주식회사 | 난연성 폴리에스테르계 가발 원사용 조성물 |
CN108024585B (zh) * | 2015-12-02 | 2019-10-18 | 株式会社钟化 | 全头假发 |
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JP2005042234A (ja) | 2003-07-25 | 2005-02-17 | Kaneka Corp | 難燃性ポリエステル系人工毛髪用繊維 |
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CN104270977A (zh) | 2015-01-07 |
US20150126644A1 (en) | 2015-05-07 |
ZA201305973B (en) | 2015-06-24 |
AP2013007066A0 (en) | 2013-08-31 |
AP3700A (en) | 2016-05-31 |
JPWO2013172387A1 (ja) | 2016-01-12 |
KR101526252B1 (ko) | 2015-06-09 |
JP5651270B2 (ja) | 2015-01-07 |
MY153824A (en) | 2015-03-20 |
KR20150006420A (ko) | 2015-01-16 |
US9560891B2 (en) | 2017-02-07 |
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