WO2005110136A1 - Shrinkable fiber for artificial hair - Google Patents

Shrinkable fiber for artificial hair

Info

Publication number
WO2005110136A1
WO2005110136A1 PCT/JP2005/009034 JP2005009034W WO2005110136A1 WO 2005110136 A1 WO2005110136 A1 WO 2005110136A1 JP 2005009034 W JP2005009034 W JP 2005009034W WO 2005110136 A1 WO2005110136 A1 WO 2005110136A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
fiber
hair
bulkiness
heat
crimping
Prior art date
Application number
PCT/JP2005/009034
Other languages
French (fr)
Japanese (ja)
Inventor
Seiichi Sakurai
Satoru Harada
Original Assignee
Kaneka Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/40Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile

Abstract

Provided is a shrinkable fiber for an artificial hair, which is improved in the bulkiness of the hair as compared with a conventional one and also has acquired a soft touch. Although it has been proposed to improve the bulkiness by shrinkage, by utilizing a cross-sectional shape or the residual shrinkage of a fiber, the objective bulkiness has not been achieved and a problem of the lowering of characteristics as a commercial product has been arisen. The present inventors have found that the use of a fiber having shrinkability can impart excellent bulkiness to the resultant artificial hair and has completed the present invention, which is a shrinkable fiber for an artificial hair, which is a fiber for an artificial hair made of an acrylic polymer containing 30 wt % or more of acrylonitrile, characterized in that it exhibits a dry-heat shrinkage percentage of 5 % or more in a treatment at 100˚C for 30 minutes and has a single fiber fineness of 25 to 95 dtex.

Description

Artificial hair shrinkable fiber

Technical field

[0001] The present invention relates wigs, hairpieces, blade, extension hair, a novel artificial hair shrinkable fiber and hair decorative fiber bundle using the same used in the doll hair and the like.

BACKGROUND

[0002] The general synthetic fibers used in artificial hair, modacrylic fibers, vinyl textiles chloride, Shioi匕 Biyuriden fibers, polyester fibers, nylon fibers and the like. Conventionally, using these fibers, wigs, hair pieces, in case of processing an artificial hair product such as a blade, the cross-sectional shape of the fibers was in the products studied, improvements have been superimposed. For example, Patent Documents 1 to 3 to obtain a bulky product rich in voluminous, but fibers can improve more bulkiness to the cross-sectional shape is proposed, bulkiness effect of the cross-sectional shape is limited, there is still room for improvement. In Patent Document 4, it is possible to impart fine force base nonuniform crimp in that the heat treatment using the residual shrinkage of the fiber. Further, Patent Document 5, a description of the difference between the residual shrinkage is described to be able to impart it is optionally crimped to heat treatment by mixing two or more fibers is 5% to 80% there is too fine crimp, or tactile summer stiff obtained only nonuniform crimp, bulkiness goals are not merchantability obtained was a problem to decrease. Patent Document 6, using Porishioi匕 vinyl fibers, at present, not obtained satisfactory for is force bulkiness description that can be uniformly expressed curled. As the machining method of crimped, Giyakurinpu method is generally in terms of workability. However, bulkiness of the fiber bundle which is crimped is, what is determined by the cross-sectional shape of the fiber is at present.

Patent Document 1: Japanese Utility Model 56-42980 JP

Patent Document 2: JP-8 - 296,112 JP

Patent Document 3: JP 8 302 519 JP

Patent Document 4: JP-A 6 287 801 JP-Patent Document 5: JP-A 9 302 513 JP

Patent Document 6: JP 2003- 293213 JP

Disclosure of the Invention

Problems that the Invention is to you'll solve

[0003] Accordingly, an object of the present invention, as a fiber for artificial hair, than conventional improve bulkiness and operability (crimping property), and provide a soft tactile sensation was imparted artificial hair shrinkable fiber it is to be.

Means for Solving the Problems

[0004] To solve the above problems, intensive result of extensive study, by giving the shrinkable fibers of a particular fineness range can that such ingredients excellent bulkiness impairing the physical properties of conventional fibers grant , up like the ease and processing speed per crimp, we have reached the present invention found that improves the runnability. That is, the present invention is an acrylic - tolyl the a acrylic polymer physical strength becomes artificial hair fibers containing 30 wt% or more, has a 100 ° 30 minutes or more dry heat shrinkage force% in the processing in C, and fineness There about artificial hair shrinkable fiber characterized it is 25~95Dtex.

[0005] In addition, the yarn after the spinning is characterized in that stretched from 1.2 to 4.0 times at 90 to 150 ° C, it is favored properly, the apparent bulkiness after crimping is 6. 5 cm or more Ru for artificial hair contraction fiber der is. Further, in the artificial hair shrinkable fiber, fiber is a hair ornamental, the hair ornament, wigs, hairpieces, blade, extension hair, or be suitably used in § one to Dole. Further, in the artificial hair shrinkable fiber, a fiber bundle for head decoration, characterized in that by forming a fiber bundle having been subjected to crimping, preferably a feature that crimping is Giakurinpu method to. Incidentally, in the fiber bundle for the head decoration, fiber 維束 is, wigs, hairpieces, blades, may be used as an extension hair, or doll hair.

Effect of the invention

[0006] Artificial hair shrinkable fiber according to the present invention has a shrinkage of more particular, for blade, preferably such as texture and Kurinpuka 卩E as fibers for artificial hair, including for extension hair it is excellent in operability. Further, by using a fiber bundle having been subjected to crimping gears one crimp, etc. These fibers may be obtained for an excellent bulkiness blade, a product for head decoration such as a ethanone scan tension hair.

BRIEF DESCRIPTION OF THE DRAWINGS

[0007] is an explanatory view showing a method of measuring the FIG. 1 crimp before and bulkiness after crimping, (it) is a perspective view (mouth) is a sectional view at the time of measurement.

DESCRIPTION OF SYMBOLS

[0008] The first measuring container

2 measurement lid for the container

3 artificial hair shrinkable fiber, fiber bundle after the crimping

BEST MODE FOR CARRYING OUT THE INVENTION

[0009] Hereinafter, the details of the present invention will be described. The acrylic copolymer in the present invention, § click Lilo - polymers containing tolyl a 30% by weight or more is used. Acrylonitrile heat resistance of the fiber is deteriorated is less than 30 wt%. Also, it is polymerized with a vinyl monomer copolymerizable therewith in addition to acrylonitrile. Is a vinyl monomer which can be copolymerized, Bulle chloride, Shioi匕 Biyuriden bromide Bulle, Nioikabi - isopropylidene, acrylic acid ester le, methacrylic acid ester, acrylamide, or their mode Nyumata dialkyl substituted body, acrylic acid, methacrylic acid, Itakon acid, styrene sulfonic acid, methallyl sulfonic acid, meta-black I Ruo carboxy benzenesulfonic acid, methacrolein I Ruo propyl sulfonic acid or these metal salts, and Anmoniumu Ya Amin salts, glycidyl alkylate, Gurishijirume methacrylate, acrylic glycidyl ether, there is a methallyl glycidyl ether and the like. Shioi匕 vinyl Among these, Shioi匕 Biyuriden are preferred. The above polymer, organic solvent, eg if acetone, Asetonitoriru, the spinning solution is dissolved in dimethylformamide. If necessary, stabilizers may be added or the like is effective for light resistance. In addition, there is no obstacle to example appropriate amount mosquito 卩 various additives for adjusting the gloss. Furthermore, in order to colored fibers may be used as appropriate pigments, dyes and the like.

[0010] The above spinning dope usually spun from a nozzle with a spinning method of wet or dry, stretching may be thermally treated. The obtained yarn of 90 to 150 ° C, preferably 115 ° 1. In C~140 ° C 2~4. Extend in the 0-fold, dry heat shrinkage at 30 minutes treatment at 100 ° C 5% it can be obtained shrinkage fibers having higher. Stretching temperature is difficult to extend to thermal conduction is insufficient predetermined draw ratio to the low! ヽ and fibers than 90 ° C. If it exceeds 150 ° C, the there the stretchable but not preferred because shrinkage is reduced. Incidentally, dry heat shrinkage rate with the artificial hair shrinkable fiber of the present invention, dry heat 100 ° CX ​​30 minutes at 5% or more, preferably on a 10% or more. Fiber for artificial hair dry heat shrinkage is less than 5%, such bulkiness is obtained imparting crimp is satisfactory Akugu.

[0011] No particular limitation is imposed on the cross-sectional shape of artificial hair shrinkable fiber of the present invention, when considering the bulkiness and curling properties and cosmetic properties of combability or the like as a human E hair, as the cross-sectional shape, horseshoe, C-shaped, hollow, elliptical, circular, although such dumbbell and Y-shaped is suitable, in order to obtain a sufficient bulkiness is horseshoe, C-shaped, dumbbell-type and Y It preferred because shape is good Mashigu particularly Y-shaped cross-section is superior in terms of bulkiness.

[0012] the dry heat shrinkage rate in the present invention is intended to mean a shrinkage at dry heat 100 ° C, specifically, measured per dtex lOmgZ decitex under load test length (Lw) , shrinkage, after shrinkage in dry heat 100 ° C, 30 min treatment in a convection type oven, measuring the sample length (LV) under lOmgZ dtex load returned to room temperature, was determined shrinkage by the following equation. Dry heat shrinkage (%) = ((Lw-! W) / Lw) X 100

The processing temperature of the dry heat shrinkage ratio of 1% or more under a dry heat 80 ° C, preferably at least 2%. Dry heat 90 ° C under 2% or more, preferably 4% or more. Dry heat 110 ° C under 10% or more, preferably shrinkage by now the treatment temperature is 15% or more will change.

Single fiber fineness of the artificial hair shrinkable fiber of the invention is from 25 to 95 decitex range is desired, preferably, 30 to 80 dtex. Appearance too thin as artificial hair is less than 25 decitex, and too soft, too hard is because texture too thick exceeds 95 dtex, is unsuitable as a raw material for artificial hair in either case.

[0013] When the artificial hair shrinkable fiber according to the present invention the hair fiber bundle is preferably subjected to a contraction process wound into fibers. As a method for performing crimping, continuous fibers was heated at Giyakurinpu method Ya vapor or the like to impart two heater type crimp continuously waveform across the fiber gear roll gear to stuffing box etc. if Kumisure with the required crimp shape as a force hair decorative applications where stuffing box method or the like for pushing by crimped to Yogu crimping in the present invention, Giyakurinpu method is common, this the method is most preferred from the viewpoint of workability. These methods, blade, workability such as the extension hair is upper direction by being crimped wave shape that matches the product of interest. Fibers for artificial hair shrinkable fibers and fiber bundles of the present invention, a wig, hairpiece, blade, extension hair, or doll but is to use as a hair decoration hair etc., subjected to crimping such Giyakurinpu bundles, among the fiber bundles for the head decoration is suitable particularly blade, the extension hair, and the like.

The apparent bulkiness in [0014] the present invention, is measured under the following conditions. Ie, precisely trimmed to lm in front of the fiber bundle crimp, weighed l lOg, the fiber bundle F. The fiber bundle F of this, as shown in FIG. 1 (I), and allowed to stand in a groove-like container 1 having a length (L) X width (W) = 30 cm X 6 cm open at both ends in the groove, the upper Caゝ Luo groove gently placed sheet 2 of the same size, a load of 0. 25GZcm2, was measured the height H in the groove-like container 1 after 1 minute. H is a 1 from the inside bottom of the grooved vessel 1 shown in (mouth) up to the thin plate 2 a lower surface height (cm).

[0015] The softness, bulkiness, operability, comprehensive evaluation was examined in accordance with the following methods. The results are shown in Table 1.

[0016] The soft feeling, was judged by five people and subjected to a sensory test (softness of the fiber bundle after the crimping).

Bulkiness, was evaluated the apparent bulkiness and the sense of volume of the fiber bundle and braid goods after crimp. Operability is Tsu the winding grant property with contraction in Giakurinpu method using crimping machine embodiment described, Te, i.e. close to the waveform of the gear, or the crimp is obtained Nitsu, rows evaluation Te ivy. Comprehensive evaluation, soft feel, bulkiness, pass what all satisfactory in operability (〇), the case other than it was a failure.

Example

[0017] (Example 1)

Acrylonitrile 49 wt 0/0, chloride Bulle 50 weight 0/0, the copolymer榭脂of styrene sulfonate sodium 1 wt% was dissolved in acetone, further carbon black 0.6 wt%, the force thione liquid dyestuff (coercive Tsuchiya Ltd. I 匕学) Red; 0.25 wt%, yellow; by adding a 0.4% wt%, to prepare a 27.5 wt% of the spinning solution. The spinning dope with a dumbbell spinning nozzle, the nozzle draft 1.1 in spun in aqueous acetone at 20 in 20% by weight, resulting et fibers solvent removal and 1. water washing bath 60 ° C 5 performed times stretching, then dried processed by 130 ° C, it was 2.5 times the dry heat drawing at 120 ° C. Fineness of the fibers thus obtained is 50 dtex, a dry heat shrinkage ratio was 13.3%. By bundling the obtained fibers and total fineness 1.13 million d tex, by the measuring container shown in Figure 1, was measured bulkiness of prior apparent crimping, it was the height H = 1. 4 cm. The fiber bundle with Giyatari pump machinery gears one pitch = 8 mm, the gear one depth = 5 mm, after crimped, thoroughly Seijo comb, the same measurements as those above the bulkiness of the apparent It was measured in vessel, a height of H = 7. 95cm. In addition, the fiber bundle was Seijo subjected to crimping of the same conditions as the measurement conditions, and braid products of 5g X 30-stage, which is a typical blade (regular size), bulkiness and soft as a blade It performs a sensory evaluation can and crimped imparting such as operability, was carried out a comprehensive evaluation. The results are shown in Table 1.

[0018] (Example 2)

Using the same spinning stock solution as in Example 1, using a Y-shaped spinning nozzle, and spinning acetone aqueous solution at 18 in 25% by the nozzle draft 1.2. The fibers were dried ~ dry heat stretching in the same manner as in Example 1. Single yarn fineness of the resulting fibers thus are 51Dtex, dry heat shrinkage ratio was 5% 12.. The resulting fibers and total fineness 1.13 million dtex are bundled at the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimp height H = 2. 5 cm Oh ivy. Further, the fiber bundle similarly using crimping machine as in Example 1, was Seijo crimped, was measured bulkiness apparent, a height of H = 9. 80 cm. This Mekuchijimitaba, the fiber bundle was Seijo subjected to crimp processing in the same manner as in Example 1, and braid products of a typical blade Oh Ru 5g X 30-stage (regular size), as a blade perform a functional evaluation of bulkiness and the soft feeling and crimping, and the like operability, it was carried out a comprehensive evaluation. The results are shown in Table 1.

[0019] (Example 3)

Using the same spinning stock solution as in Example 1, using a horseshoe-shaped spinning nozzle, and spinning acetone aqueous solution at 20 at 20 wt% in the nozzle draft 1. 1. The fibers were dried ~ dry heat stretching in the same manner as in Example 1. Single yarn fineness of the resulting fibers thus is 55. 6 dtex, a dry heat shrinkage 15. was 1%. The resulting fiber bundles and total fineness 1.13 million dtex, in the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimping, was the height H = l. 6c m. Further, the fiber bundle similarly using crimping machines and embodiments, after Seijo crimped, was measured bulkiness apparent, a height of H = 8. 22 cm. Further, the Mekuchijimitaba, the fiber bundle was Seijo subjected to crimping in the same manner as in Example 1, a braid products typical blade at a 5 g X 30 stages (regular size), bulkiness of the blade and the soft feeling and crimp Tsu to grant property and the like operability ヽ line sensory evaluation Te ヽ, was carried out a comprehensive evaluation. The results are shown in Table 1.

(Example 4)

Using the same spinning stock solution as in Example 1, using a dumbbell-type spinning nozzles, nozzle draft 1.1 in spun acetone aqueous solution at 20% by weight 20, the resulting fiber in a washing bath 60 ° C desolvated and 1. 5-fold stretching, then after drying at 130 ° C, it was 1.8 times the dry heat drawing at 120 ° C. Single yarn fineness of the resulting fibers thus is 50 dtex, dry heat shrinkage ratio was 5.3%. The resulting fiber bundles and total fineness 1.13 million dtex, in measuring container shown in Figure 1, was measured bulkiness of prior apparent crimping, was the height H = l. 5cm. Further, the fiber 維束 similarly using crimping machines and embodiments, after Seijo crimped, was measured bulkiness apparent, a height of H = 6. 70cm. In addition, this Mekuchijimitaba, the fiber bundle was Seijo subjected to crimp processing in the same manner as in Example 1, and braid products of 5g X 30-stage, which is a typical blade (Les Gyula over size), perform a functional evaluation of bulkiness and the soft feeling and Mekuchijimizuke given, etc. operability as a blade, it was carried out a comprehensive evaluation. The results are shown in Table 1 〖this.

(Comparative Example 1)

Using the same spinning stock solution as in Example 1, using a dumbbell-type spinning nozzles, nozzle draft 1. Spun in aqueous acetone at 4 in 18 20 wt%, the resulting fiber in a washing bath 60 ° C desolvated and 1. 5-fold stretching, then after drying at 130 ° C, subjected to 2.5-fold dry heat drawing at 120 ° C, was further relaxation heat treatment at 145 ° C. Single yarn fineness of the resulting fibers thus are 46Dtex, dry heat shrinkage ratio was 5% 1.. The resulting fiber bundles and total fineness 1 130,000 dtex, in the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimping, was the height H = l. 3cm. Further, the fiber bundle similarly using crimping machines and embodiments, after Seijo crimped, was measured bulkiness apparent, the height H = 5. 50 cm der ivy. Further, the Mekuchijimitaba, the fiber bundle was Seijo subjected to crimping in the same manner as in Example 1, a braid Product 5 g X 30 stages which are typical blade (regular size) as the blade of the bulkiness and the soft feeling and crimp Tsu to grant property and the like operability ヽ line sensory evaluation Te ヽ, was carried out a comprehensive evaluation. The results are shown in Table 1.

[0021] (Comparative Example 2)

Using the same spinning stock solution as in Example 1, using a dumbbell-type spinning nozzles, nozzle draft 1. Spun in aqueous acetone at 4 in 18 20 wt%, the resulting fiber in a washing bath 60 ° C desolvated and 1. 5-fold stretching, then after drying at 130 ° C, subjected to 2.5-fold dry heat drawing at 120 ° C, was further relaxation heat treatment at 0.99 ° C. Single yarn fineness of the resulting fibers thus are 51Dtex, dry heat shrinkage 1. was 1%. The resulting fiber bundles and total fineness 1 130,000 dtex, in the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimping, was the height H = l. 4cm. Further, the fiber bundle similarly using crimping machines and embodiments, after Seijo crimped, was measured bulkiness apparent, the height H = 6. 15cm der ivy. Further, the Mekuchijimitaba, the fiber bundle was Seijo subjected to crimping in the same manner as in Example 1, a braid Product 5 g X 30 stages which are typical blade (regular size) as the blade of the bulkiness and the soft feeling and crimp Tsu to grant property and the like operability ヽ line sensory evaluation Te ヽ, was carried out a comprehensive evaluation. The results are shown in Table 1.

[0022] (Comparative Example 3)

Using the same spinning stock solution as in Example 1, using a horseshoe-shaped spinning nozzle, the nozzle draft 1. Spun in aqueous acetone at 4 in 18 20 wt%, the resulting fiber in a washing bath 60 ° C desolvated and 1. 5-fold stretching, then after drying at 130 ° C, subjected to 2.8-fold dry heat drawing at 120 ° C, was further relaxation heat treatment at 130 ° C. Single yarn fineness of the resulting fibers thus are 43Dtex, dry heat shrinkage 4. was 2%. The resulting fiber bundles and total fineness 1 130,000 dtex, in the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimping, was the height H = l. 3cm. Further, the fiber bundle similarly using crimping machines and embodiments, after Seijo crimped, was measured bulkiness apparent, the height H = 5. 95cm der ivy. Further, the Mekuchijimitaba, the fiber bundle was Seijo subjected to crimping in the same manner as in Example 1, a braid Product 5 g X 30 stages which are typical blade (regular size) as the blade of the bulkiness and the soft feeling and crimp Tsu to grant property and the like operability ヽ line sensory evaluation Te ヽ, was carried out a comprehensive evaluation. The results are shown in Table 1.

(Comparative Example 4)

Using the same spinning stock solution as in Example 1, using a dumbbell-type spinning nozzles, nozzle draft 1. Spun in aqueous acetone at 4 in 18 20 wt%, the resulting fiber in a washing bath 60 ° C desolvated and 1. 5-fold stretching, then after drying at 130 ° C, subjected to 2.5-fold dry heat drawing at 140 ° C, was further relaxation heat treatment at 155 ° C. Single yarn fineness of the resulting fibers thus is 50 dtex, dry heat shrinkage ratio was 5% 3.. The resulting fiber bundles and total fineness 1 130,000 dtex, in the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimping, was the height H = l. 5cm. Further, the fiber bundle similarly using crimping machines and embodiments, after Seijo crimped, was measured bulkiness apparent, the height H = 5. 8 cm der ivy. Further, the Mekuchijimitaba, the fiber bundle was Seijo subjected to crimping in the same manner as in Example 1, a braid Product 5 g X 30 stages which are typical blade (regular size) as the blade of the bulkiness and the soft feeling and crimp Tsu to grant property and the like operability ヽ line sensory evaluation Te ヽ, was carried out a comprehensive evaluation. The results are shown in Table 1.

(Comparative Example 5)

Using the same spinning stock solution as in Example 1, using a Y-shaped spinning nozzle, the nozzle draft 1. spun acetone aqueous solution at 18 with 20 wt% 2, the resulting fiber washing bath 60 ° C in desolvated and 1. 5-fold stretching, then after drying at 125 ° C, subjected to 2.5-fold dry heat drawing at 135 ° C, was further relaxation heat treatment at 145 ° C. Single yarn fineness of the resulting fibers thus are 32Dtex, dry heat shrinkage 1. was 2%. The resulting fiber bundles and total fineness 1 130,000 dtex, in the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimping, was the height H = 2. 1 cm. Further, the fiber bundle similarly using crimping machines and embodiments, after Seijo crimped, was measured bulkiness apparent, the height H = 7. 55cm der ivy. Further, the Mekuchijimitaba, the fiber bundle was Seijo subjected to crimping in the same manner as in Example 1, a braid Product 5 g X 30 stages which are typical blade (regular size) as the blade of the bulkiness and the soft feeling and crimp Tsu to grant property and the like operability ヽ line sensory evaluation Te ヽ, was carried out a comprehensive evaluation. The results are shown in Table 1.

(Comparative Example 6)

Using the same spinning stock solution as in Example 1, using a Y-shaped spinning nozzle, the nozzle draft 1. spun acetone aqueous solution at 18 in 25 wt% 2, the resulting fiber washing bath 60 ° C in desolvated and 1. 5-fold stretching, then after drying at 135 ° C, subjected to 2.5-fold dry heat drawing at 130 ° C, was further relaxation heat treatment at 148 ° C. Single yarn fineness of the resulting fibers thus are 51Dtex, dry heat shrinkage 1. was 0%. The resulting fiber bundles and total fineness 1 130,000 dtex, in the measurement vessel as shown in FIG. 1, where it measures the bulkiness of prior apparent crimping, was the height H = 2. 5 cm. Further, the fiber bundle using a crimping machine as in Example 1, was Seijo crimped, was measured bulkiness apparent, the height H = 7. OCM der ivy. The Mekuchijimitaba, the fiber bundle was Seijo subjected to crimping in the same manner as in Example 1, a braid Product 5 g X 30 stages which are typical blade (regular size) of as a blade line ヽ a functional evaluation Te ヽ Tsu to the bulkiness and the soft feeling and crimping, and the like operability, was carried out a comprehensive assessment. The results are shown in Table 1

[table 1]

Sectional ¾ fineness dry heat apparent bulkiness bulkiness operability General Review shrinkage, cm) Kankan functionality (%) crimped before crimping after evaluation Evaluation

Implementation dumbbell © O O O example §u

Exemplary Y-5 1 1 2.2.5 0 〇 ◎ O O Example 2

Implementation horseshoe 55. 1. 6 ◎ O 〇 Example 3 6

Implementation dumbbell 0 Yes Yes Yes Yes Example 4

Comparison dumbbell 〇

Examples ¾

Comparative dumbbell 51 1.4 〇

Example type 2

Comparison horseshoe 43 1.3 〇

Example 3

Comparison dumbbell 50 1. 5 0 Δ

Case

Comparison Y-32 1 2. 1 ©

Example 5 m [

Compare Y-shaped 51. 2.5 O O

Example 6 1

Note) The evaluation method and sensory evaluation criteria

Door feeling)

In accordance with the method = functional test.

◎: very soft 〇 soft force, have, Δ: slightly hard,: hard

(Bulky ')

©: very excellent, ○: excellent, △: slightly inferior: inferior.

(Comprehensive evaluation)

〇: Pass: Fail.

Claims

The scope of the claims
[1] Acrylic - tolyl the a textiles for acrylic polymer physical strength becomes artificial hair containing 30 wt% or more, dry heat shrinkage at 30 minutes treatment at 100 ° C has more than 5%, fineness But
Artificial hair shrinkable fiber, which is a 25 to 95 dtex.
[2] 1. the yarn after spinning at 90 to 150 ° C 2 to 4. 0 times claim 1, wherein the artificial hair shrinkage fibers, characterized in that was stretched.
[3] according to claim 1 or claim 2, wherein the artificial hair shrinkage fibers, wherein the crimp apparent bulkiness after processing is 6. 5 cm or more.
[4] Artificial hair shrinkable fiber according to any one claims 1 to 3 fibers is for hair decoration.
[5] hair ornament, wigs, hairpieces, blade, extension hair, or claim 4, wherein the artificial hair shrinkable fiber is § over to Dole.
[6] claims 1-3 ヽ shift head decorative fiber bundle, characterized in that by forming a fiber bundle having been subjected to crimping the artificial hair fiber according to any.
[7] according to claim 6, wherein the head decorating fiber 維束, characterized in that subjected to crimping by Giyakurinpu method.
[8] fiber bundles, wigs, hairpieces, blade, extension hair, or Doruhea one in which claim 6 or claim 7, wherein the head decorative fiber bundle.
PCT/JP2005/009034 2004-05-19 2005-05-18 Shrinkable fiber for artificial hair WO2005110136A1 (en)

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WO2008010515A1 (en) * 2006-07-18 2008-01-24 Kaneka Corporation Fiber bundle for artificial hair, process for producing fiber bundle for artificial hair, and head decoration product
WO2008026538A1 (en) * 2006-08-29 2008-03-06 Kaneka Corporation Polyvinyl chloride fiber
WO2014196643A1 (en) * 2013-06-06 2014-12-11 株式会社カネカ Fiber bundle for hair and head accessory
WO2016111180A1 (en) * 2015-01-09 2016-07-14 株式会社カネカ Crimping apparatus and method for manufacturing mixed fiber for crimped artificial hair

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WO2016158773A1 (en) * 2015-03-30 2016-10-06 株式会社カネカ Acrylic fiber for artificial hair, method for producing same, and head decoration product comprising same
CN107708461A (en) * 2015-06-26 2018-02-16 株式会社钟化 Acrylic fiber for artificial hair, its production method and its headgear article comprising
CN107734988A (en) * 2015-06-29 2018-02-23 株式会社钟化 Acrylic fiber for artificial hair, its production method and its headgear article comprising

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