WO2014142566A1 - 신축성 및 냉감이 우수한 나일론 잠재권축사 - Google Patents
신축성 및 냉감이 우수한 나일론 잠재권축사 Download PDFInfo
- Publication number
- WO2014142566A1 WO2014142566A1 PCT/KR2014/002093 KR2014002093W WO2014142566A1 WO 2014142566 A1 WO2014142566 A1 WO 2014142566A1 KR 2014002093 W KR2014002093 W KR 2014002093W WO 2014142566 A1 WO2014142566 A1 WO 2014142566A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nylon
- yarn
- latent
- elasticity
- polymer
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/32—Side-by-side structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
-
- 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
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
Definitions
- the present invention relates to a nylon latent crimping yarn having excellent elasticity and cold feeling, and specifically, (i) nylon 64 random copolymer and (ii) nylon 6 polymer or nylon 66 polymer on the yarn cross section (Side by Side)
- the present invention relates to a stretchable nylon latent crimping yarn having a complex spinning in form, excellent in dyeing property, color fastness and elasticity, and having a high process moisture content to express a good cooling touch.
- Nylon stretch yarn has a production technology similar to polyester stretch yarn.
- polyester-based stretch yarns are mostly used in t-shirts, jackets, pants, etc. and are recently used as composite yarns with other materials, but nylon stretch yarns are mainly used for outdoor wear, innerwear, and socks. It has a difference in usage.
- polyester high stretch yarn is used as a fabric material used with the elastic moisture-permeable waterproof polyurethane film
- the color fastness there is a problem that the dyeability, friction resistance, cold feeling and the like.
- nylon stretch yarns As a first conventional technique for manufacturing nylon stretch yarns, a method of manufacturing nylon 66 stretch yarns by stretching and flamming nylon 66 at a high temperature during the combustion process has been used.
- the conventional method is a nylon 66 stretched yarn manufactured as a method of forming a crimp in a physical method to the unoriented yarn by the low-temperature combustion of nylon 66 semi-stretched yarn (POY) of high melting point at a high temperature, such as a pin flame method or a disk flame method. It has a crimp rate and expresses elasticity on the fabric.
- POY nylon 66 semi-stretched yarn
- the first conventional method is that nylon 66 is not produced domestically for clothing and imported relatively expensive compared to nylon 6 due to the expensive raw material hexamethylenediamine, the production cost is increased, and the productivity is low because it is low-temperature flammable at high temperature. There was a problem that the probability of occurrence of non-uniformity of the yarn is increased because it falls, and a high crimp must be produced at a high temperature.
- a method of producing a nylon latent crimp yarn is also used by composite spinning a nylon polymer having a different relative viscosity (RV) in a side by side form on a yarn cross section, but nylon is 3,000 m / Due to the high-speed spinning at the spinning speed of more than minutes, the curvature phenomenon or the spinning speed is lowered due to the difference in relative viscosity, the radioactive and sacrificial properties are greatly reduced, which makes commercial production difficult.
- RV relative viscosity
- the problem of the present invention is to solve the problems of the prior art described above, excellent dyeing, color fastness and elasticity, high process moisture content to express a good feeling of cooling, excellent yarn uniformity nylon latent crimping yarn with low manufacturing cost and high productivity It is to manufacture.
- one type of polymer (B) selected from nylon 64 random copolymer (A) and nylon 6 and nylon 66 is compound-spun in the form of side by side on the yarn cross section. Nylon latent crimping yarn is manufactured.
- the nylon 64 random copolymer (A) is composed of 10 to 30 mol% of nylon 4 monomer pyrrolidone and 70 to 90 mol% of caprolactam nylon 6 monomer.
- Nylon latent crimping yarn according to the present invention is excellent in dyeing, dyeing fastness and elasticity, high process moisture content expresses a good cold feeling.
- the nylon latent crimping yarn according to the present invention is low in manufacturing cost, high in productivity, and excellent in yarn uniformity.
- the nylon latent crimping yarn according to the present invention is particularly useful as a raw material for outdoor wear used with a stretchable moisture-permeable polyurethane film.
- 1 to 2 is a cross-sectional schematic view of the nylon latent crimping yarn according to the present invention.
- Figure 3 is an electron micrograph of the nylon latent crimping yarn of the present invention before weaving, processing.
- Figure 4 is an electron micrograph of the present invention nylon latent crimp yarn woven, processed.
- the nylon latent crimping yarn according to the present invention has a side by side (silicone 64 random copolymer (A) and one polymer (B) selected from nylon 6 and nylon 66) on the yarn cross section. Side by Side) is characterized in that the composite spinning in the form.
- 1 to 2 is a schematic cross-sectional view of the nylon latent crimping yarn according to the present invention.
- the nylon 64 random copolymer (A) is composed of 10 to 30 mol% of pyrrolidone, a nylon 4 monomer, and 70 to 90 mol% of caprolactam, a nylon 6 monomer, having a molecular weight of 70,000 to 120,000 g / mol, and polydispersion.
- Polydispersity index is 1-2.
- the nylon 64 random copolymer (A) is prepared by caprolactam and 2-pyrrolidone anion addition polymerization, which has a low crystallinity of 50% or less, a low melting point, and a high moisture content, making it difficult to use as an engineering plastic, but having proper strength and elongation. It is suitable for use for clothes.
- nylon 46 polymer is manufactured by polycondensation of 1,4-diaminobutane and adipic acid, and has the highest crystallinity, high melting point, excellent friction resistance, low deformation coefficient, oil and grease among the pressurized nylon. It is mainly used as engineering plastic because of its excellent resistance to.
- the present invention is a weight ratio of nylon 64 random copolymer (A): one of the polymers (B) selected from nylon 6 and nylon 66, which is multi-spun in a side by side form on the yarn cross-section 25 to 50: 75 to 50 It is preferable.
- the nylon latex crimp according to the present invention has a boiling shrinkage of 30 to 50%, a crimping rate of 20 to 50%, and a process water content of 5 to 8%.
- the nylon 64 random polymer (A) has a relative viscosity (R, V) of 2.4 to 3.0, a melting point of 150 to 190 ° C, and a specific gravity of 1.11 to 1.13 g / cm 3 measured by sulfuric acid viscosity method.
- the polymer (B) selected from nylon 6 and nylon 66 has a relative viscosity (R.V) of 2.4 to 2.7 measured by sulfuric acid viscosity method.
- the nylon 64 random copolymer (A) is obtained by anionic or bulk polymerization of caprolactam, which is a monomer of nylon 6 polymer, and pyrrolidone, which is a nylon 4 polymer monomer, in a ratio of 70 to 90 mol% to 10 to 30 mol%. .
- caprolactam which is a monomer of nylon 6 polymer
- pyrrolidone which is a nylon 4 polymer monomer
- Pyrrolidone can be obtained by decomposition of enzymes from cellulose, and is widely known as a bio-based material.
- Nylon 4 is a polymer of butanolactam (also called butylolactam, 2-pyrrolidinone or ⁇ -pyrrolidone), which is known to form a polymer when the 2-pyrrolidone ring opens under certain conditions have.
- the high shrinkage polymer produced in this way has a shrinkage rate of 30% to 60% when spun as a normal yarn, and has a melting point of 150 to 190 ° C and a relative viscosity (RV) of 2.4 to 3.0 measured using the sulfuric acid viscosity method.
- RV relative viscosity
- the relative viscosity has a relative viscosity similar to that of nylon 6 and nylon 66, it improves the radioactivity in the production of latent crimping yarns, and it is possible to manufacture yarns without major modifications using existing composite spinning facilities.
- Pyrrolidone a nylon 4 monomer
- Pyrrolidone a nylon 4 monomer
- it is suitable for the fiber to be used in the future, which is expected to run out of resources, as it has the image of not destroying the natural environment by using it for clothing.
- pure nylon 4 has a high melting point, which is very close to the processing temperature and decomposition temperature for processing during melt spinning, and thus cannot be processed.
- the high moisture content was not suitable for engineering plastics.
- nylon 4 When nylon 4 is used for clothing, amide (amide) group contains a lot more than the general nylon, it has a strong hydrophilic property. Therefore, the present invention uses a nylon 64 random copolymer copolymerized with nylon 4 and nylon 6 in a certain ratio, by lowering the melting point to secure the processing temperature, by controlling the crystallinity, the high shrinkage performance can be expressed.
- side-by-side composite spinning with high shrink polymers which are copolymers of nylon 4 and nylon 6, the high shrink polymers exposed on the surface increase the water content, which is excellent when they come into contact with human skin. It has a high water content, so you can feel comfortable.
- nylon 64 random copolymers are stable in radioactivity, have a low spinning temperature, and when combined with nylon 6 rather than nylon 66, the spinning can be performed at low spinning temperatures, which can also save energy.
- nylon 64 and nylon 610 copolymerized with the same molar amount of nylon 6 and nylon 4 the high shrinkage characteristic does not appear and the water content is lowered.
- the nylon 64 random copolymer has a random molecular chain formation.
- high shrinkage appears, whereby when side-by-side composite spinning is a lot of shrinkage occurs to the nylon 4 copolymer in the form of bimetal, it can have the same effect as the potential crimp.
- the spiral-like yarns form a spring-like structure, and through the shrinkage processing during fabric weaving, it is possible to manufacture a fabric having elastic performance.
- the two polymers can be dyed with acid dyes in nylon series, and since the amine group, which is a dyeing seat, is contained in a large amount, it is possible to manufacture latent crimps having excellent dyeing properties and excellent fastnesses.
- the semi-stretched yarn thus wound was stretched using a drawer / winder at a speed of 500 mpm and a draw ratio of 1.26 to wind a stretched yarn of 70 denier / 24 filament spec.
- Nylon 66 is manufactured by using a general nylon primary heater semi-stretched yarn (POY) manufacturing equipment to produce semi-stranded yarn 85 denier / 24 filaments at a speed of 3000 mpm, and set the temperature of the first heater to 220 ° C or higher to draw 1.3, yarn speed 70 denier / 24 filament high elasticity twisted yarn is manufactured through a pin twist type combustor at 300mpm.
- POY general nylon primary heater semi-stretched yarn
- the nylon 6 and nylon 66 were discharged using each extruder and spun into a 50:50 area ratio in the pack, and then cooled / solidified through a cooling chamber and the first roller and the second roller at a speed of 3000 mpm. It is wound up through a roller to produce a semi-drawn yarn.
- the semi-stretched yarn thus wound was stretched and wound at a speed of 700 mpm and a draw ratio of 1.23 using a stretcher / winder to prepare a high stretch yarn.
- Qmax value A measure of the instantaneous amount of power to enter the temperature compensation when the fabric touches the unit sensor.
- Sample preparation Using a tubeknitting machine, cut the test fabric, proceed the refining and dyeing in the same way, open it, and prepare the test piece.
- the nylon latent crimping yarn of the present invention is useful as a yarn for clothes, in particular, a fabric material for outdoor wear.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Multicomponent Fibers (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Polyamides (AREA)
Abstract
Description
구분 | 비등수축율(%) | 클림프율(%) | 공정수분율(%) | Qmax(W/㎠) |
실시예 1 | 42 | 35 | 7.5 | 0.25 |
비교실시예 1 | 32 | 26 | 4.5 | 0.18 |
비교실시예 2 | 12 | 3 | 4.5 | 0.17 |
Claims (6)
- 나일론 64 랜덤 코폴리머(A)와 나일론 6 및 나일론 66 중에서 선택된 1종의 폴리머(B)가 원사 단면상에 사이드 바이 사이드(Side by Side) 형태로 복합방사되어 있는 것을 특징으로 하는 신축성 및 냉감이 우수한 나일론 잠재권축사.
- 제1항에 있어서, 나일론 64 랜덤 코폴리머(A)는 나일론 4 단량체인 피롤리돈 10~30몰%와 나일론 6 단량체인 카프로락탐 70~90몰%로 구성되어 분자량이 70,000~120,000g/몰이고 다분산 지수(Polydispersity index)가 1~2인 것을 특징으로 하는 신축성 및 냉감이 우수한 나일론 잠재권축사.
- 제1항에 있어서, 원사단면 상에 사이드 바이 사이드 형태로 복합방사되어 있는 나일론 64 랜덤 코폴리머(A) : 나일론 6 및 나일론 66 중에서 선택된 1종의 폴리머(B)의 중량비율 25~50 : 75~50인 것을 특징으로 하는 신축성 및 냉감이 우수한 나일론 잠재권축사.
- 제1항에 있어서, 나일론 잠재 권축사는 비등수축율이 30~50%이고, 클림프율이 20~50%이고, 공정수분율이 5~8%인 것을 특징으로 하는 신축성 및 냉감이 우수한 나일론 잠재권축사.
- 제1항에 있어서, 나일론 64 랜덤 폴리머(A)는 황산점도법으로 측정한 상대점도(R.V)가 2.4~3.0이고 용융점이 150~190℃이고, 비중이 1.11~1.13g/㎤인 것을 특징으로 하는 신축성 및 냉감이 우수한 나일론 잠재권축사.
- 제1항에 있어서, 나일론 6 및 나일론 66 중에서 선택된 1종의 폴리머(B)는 황산점도법으로 측정한 상대점도(R.V)가 2.4~2.7인 것을 특징으로 하는 신축성 및 냉감이 우수한 나일론 잠재권축사.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480020980.XA CN105164324B (zh) | 2013-03-14 | 2014-03-13 | 具有优异的弹性以及凉爽感的尼龙潜在卷缩性纱线 |
US14/776,243 US20160047066A1 (en) | 2013-03-14 | 2014-03-13 | Nylon latent-crimp yarn having outstanding elasticity and cool feel |
JP2015562923A JP6134012B2 (ja) | 2013-03-14 | 2014-03-13 | 伸縮性及び冷感に優れたナイロン潜在捲縮糸 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130027028A KR101537260B1 (ko) | 2013-03-14 | 2013-03-14 | 신축성 및 냉감이 우수한 나일론 잠재권축사 |
KR10-2013-0027028 | 2013-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014142566A1 true WO2014142566A1 (ko) | 2014-09-18 |
Family
ID=51537110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2014/002093 WO2014142566A1 (ko) | 2013-03-14 | 2014-03-13 | 신축성 및 냉감이 우수한 나일론 잠재권축사 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160047066A1 (ko) |
JP (1) | JP6134012B2 (ko) |
KR (1) | KR101537260B1 (ko) |
CN (1) | CN105164324B (ko) |
WO (1) | WO2014142566A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102100141B1 (ko) * | 2018-04-20 | 2020-04-13 | 조대현 | 통기성이 우수한 의료용 압박밴드 |
CN109355716A (zh) * | 2018-12-04 | 2019-02-19 | 吴江精美峰实业有限公司 | 一种尼龙6与尼龙66并列复合弹性纤维的生产装置及其生产方法 |
CN114541004B (zh) * | 2022-01-26 | 2023-06-16 | 吴江嘉伦织造有限公司 | 一种抗菌防静电纱线及其制备方法和应用 |
WO2024071402A1 (ja) * | 2022-09-30 | 2024-04-04 | 株式会社クレハ | ポリアミド樹脂、ポリアミド樹脂組成物、成形体およびポリアミド樹脂の製造方法 |
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KR20030058305A (ko) * | 2001-12-31 | 2003-07-07 | 주식회사 효성 | 세데니어 나일론 잠재권축사의 제조방법 |
KR20040061345A (ko) * | 2002-12-30 | 2004-07-07 | 주식회사 효성 | 이형단면 나이론 잠재권축사의 제조방법 |
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JP2009057679A (ja) * | 2008-10-16 | 2009-03-19 | Unitika Ltd | ポリアミド潜在捲縮糸 |
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2013
- 2013-03-14 KR KR1020130027028A patent/KR101537260B1/ko active IP Right Grant
-
2014
- 2014-03-13 CN CN201480020980.XA patent/CN105164324B/zh not_active Expired - Fee Related
- 2014-03-13 US US14/776,243 patent/US20160047066A1/en not_active Abandoned
- 2014-03-13 WO PCT/KR2014/002093 patent/WO2014142566A1/ko active Application Filing
- 2014-03-13 JP JP2015562923A patent/JP6134012B2/ja not_active Expired - Fee Related
Patent Citations (5)
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KR20030058305A (ko) * | 2001-12-31 | 2003-07-07 | 주식회사 효성 | 세데니어 나일론 잠재권축사의 제조방법 |
KR20040061345A (ko) * | 2002-12-30 | 2004-07-07 | 주식회사 효성 | 이형단면 나이론 잠재권축사의 제조방법 |
KR20050068355A (ko) * | 2003-12-30 | 2005-07-05 | 주식회사 효성 | 나이론 중공 잠재권축사 |
JP2009057679A (ja) * | 2008-10-16 | 2009-03-19 | Unitika Ltd | ポリアミド潜在捲縮糸 |
Also Published As
Publication number | Publication date |
---|---|
JP2016515171A (ja) | 2016-05-26 |
JP6134012B2 (ja) | 2017-05-24 |
KR20140112677A (ko) | 2014-09-24 |
US20160047066A1 (en) | 2016-02-18 |
CN105164324A (zh) | 2015-12-16 |
KR101537260B1 (ko) | 2015-07-16 |
CN105164324B (zh) | 2017-02-22 |
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