CN104476862B - A kind of acid fiber by polylactic cup and preparation method thereof - Google Patents
A kind of acid fiber by polylactic cup and preparation method thereof Download PDFInfo
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- CN104476862B CN104476862B CN201410645867.2A CN201410645867A CN104476862B CN 104476862 B CN104476862 B CN 104476862B CN 201410645867 A CN201410645867 A CN 201410645867A CN 104476862 B CN104476862 B CN 104476862B
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- polylactic
- acid fiber
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- acid
- fiber
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- 239000000835 fiber Substances 0.000 title claims abstract description 175
- 239000002253 acid Substances 0.000 title claims abstract description 157
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000010227 cup method (microbiological evaluation) Methods 0.000 title description 2
- 239000004744 fabric Substances 0.000 claims abstract description 130
- 239000004626 polylactic acid Substances 0.000 claims abstract description 39
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 36
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 36
- 150000001875 compounds Chemical class 0.000 claims description 46
- 238000001467 acupuncture Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 238000000465 moulding Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 229920002334 Spandex Polymers 0.000 claims description 8
- 239000004759 spandex Substances 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 15
- 230000036541 health Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000003385 bacteriostatic effect Effects 0.000 abstract description 4
- 230000009931 harmful effect Effects 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 235000014655 lactic acid Nutrition 0.000 description 3
- 239000004310 lactic acid Substances 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000006870 function Effects 0.000 description 2
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- 229920000728 polyester Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
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- 229920000570 polyether Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C3/00—Brassieres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Knitting Of Fabric (AREA)
Abstract
In order to overcome the flavescence airtight, easy of traditional sponge cup and next to the skin wear harmful effect issuable to health, the invention discloses a kind of acid fiber by polylactic cup, be made up of upper strata polylactic acid fabric knitted cloth and lower floor's acid fiber by polylactic needle punched non-woven fabrics.It is good that the acid fiber by polylactic cup that the present invention provides not only has extraordinary breathable moisture permeability, the fluffy softness of feel, skin-friendly, also there is ecological bacteriostatic and anti-mite performance, biological degradation rate has exceeded 90% simultaneously, is the ideal material making high-grade underwear, has extraordinary market prospects.The invention also discloses the preparation method of this acid fiber by polylactic cup.
Description
Technical field
The present invention relates to women underwear field, be specifically related to one and have that ventilative, moisture-inhibiting, skin-friendly be good, ecological bacteriostatic, anti-mite
And biodegradable acid fiber by polylactic cup.
Background technology
Acid fiber by polylactic is with the starch in the plants such as corn, wheat, cassava as raw material, decomposes through enzyme and obtains glucose, then warp
Becoming lactic acid after crossing lactobacillus-fermented, multiple lactic acid molecules form PLA together through dehydrating condensation, make through spinning,
It it is a kind of biomass fiber that can be degradable.The pH value of polylactic acid fiber surface is 6, and fiber surface is faintly acid, with human body
The pH value of skin is close, its have skin-friendly and security [Ma Xiaolin. the research [D] of acid fiber by polylactic and Humid Permeability of Fabrics performance.
Tianjin University of Technology, 2008].Meanwhile, it is relatively low that acid fiber by polylactic has good elasticity, modulus, the surface of fiber can big, lead wet
Property good [Qu Yong, Bu Jiaxian. the test of polylactic acid fiber fabrics wearability with analyze [J]. textile journal, 2008,29 (11): 48-51], poly-breast
Acid fiber surface smooth, by its made Weft knitted fabric have extraordinary gas permeability [Zhao Lihuan, Wang Yuwen. acid fiber by polylactic
The research [J] of Weft knitted fabric performance. hosiery industry, 2008, (7): 14-15].Additionally, acid fiber by polylactic also has natural biocidal property
With anti-mite.
The cup brassiere that women uses mainly includes cup and framework two parts, wherein, cup as cladding and the carrier of protection breast,
Women is played support, the effect promoting or gathering, is the direct part moulding female chest curve modeling, the most on the market
Cup brassiere based on sponge cup, sponge is to send out with industrial chemicals such as TDI (toluene di-isocyanate(TDI)), PPG (polyethers), MC
Bubble is made, owing to using a large amount of organic solvents that environment causes the biggest harm in production process, while polluting environment its
Discarded object is also difficult to process；On the other hand, when summer weather sweltering heat, due to sponge sulks, ventilative poor with poisture-penetrability, meeting
Causing human body to be perspired in a large number, the comfortableness of wearing is bad, and the cup brassiere that this external application sponge is made easily turns to be yellow, and connects with human body for a long time
Touch and to healthy generation harmful effect, thus sponge cup brassiere can be used to be increasingly becoming women and pursue the resistance of beautiful life
Hinder, therefore, develop and produce good permeability, and cup brassiere healthy, environmental protection is the most necessary.
For having the existing relevant report of the exploitation of the Health-care bra of fine air permeability:
Patent CN200510132599.5 discloses a kind of air-permeable structure brassiere, is being formed with the two sandwiched intermediate layers of coating
In brassiere component, arrange with laser light and penetrate a coating and run through intermediate layer and penetrate the through hole that runs through of another coating, by running through
The setting of through hole and reach ventilative purpose, and assist the eliminating of sweat, solve the problem that known brassieres breathing degree is the best.Patent
CN200510045176.X discloses a kind of health breathable bra, is provided with air-vent on brassiere, and brassiere outer surface is laid with little convex
Body, simple structure, there is gas permeability.Above-mentioned two patent is to use multilayer material superposition and the brassiere made, by material
Middle punching increases gas permeability, but the processing tool forming the air-vent run through wherein acquires a certain degree of difficulty.
Patent CN201210233539.2 discloses a kind of composite sandwich ventilation bra cup, is by inner cup and to overlay on inner cup table
The watch glasses cup in face is constituted, and is evenly distributed with air-vent at inner cup, and it uses double-layer composite ventilating structure, inner cup to paste completely
Synthorax portion, has and sets off very well and air permeable effect, and watch glasses cup is for shapping function, shapeable perfection chest type.But, this is special
The cup that profit relates to needs to produce two-layer cup body, although nexine cup is breathed freely, but the existence of also top layer cup, add simultaneously
Work process is the most more complicated.
Patent of invention CN201310359204.X discloses a kind of environment-friendlybreathable breathable vertical cotton bra cup, and its cup body includes adding U.S. core, bag
Overlaying on and add U.S. core outer layer and the fabric of internal layer, adding U.S. core is the upright cotton with honeycomb stereochemical structure, and described fabric is vertical for having
The sandwich fabric of body mesh institutional framework, owing to not using traditional sponge cup, has more preferable gas permeability.Though this patent
So there is the gas permeability in structure, but the fabric being coated on the mesh institutional framework of vertical cotton outer layer and internal layer is by spraying PUR
Being bonded together with vertical cotton afterwards, glue can block the air-vent in structure to a certain extent, adds material therefor and is terylene fibre
Dimension, owing to the regain of polyster fibre own is only 0.2%, do not absorb water, wet guilding poor, wear the sensation also having sulks.
In order to overcome the flavescence airtight, easy of traditional sponge cup and next to the skin wear harmful effect issuable to health
And existing Health-care bra cup exist poor air permeability, the deficiency such as wet guilding is poor, processing technology is complicated, the present invention provides a kind of
, moisture-inhibiting ventilative by having concurrently of preparing of acid fiber by polylactic, pro-skin, ecological bacteriostatic, anti-mite and biodegradable cup and system thereof
Preparation Method.
Summary of the invention
For the problem of above-mentioned existence, it is an object of the invention to provide one and have ventilative, moisture-inhibiting, pro-skin, ecological bacteriostatic, anti-concurrently
Acarid and biodegradable acid fiber by polylactic cup.
It is a further object of the present invention to provide the preparation method of a kind of acid fiber by polylactic cup.
For reaching above-mentioned purpose, the technical scheme that the present invention provides is as follows:
A kind of acid fiber by polylactic cup, is made up of upper strata polylactic acid fabric knitted cloth and lower floor's acid fiber by polylactic needle punched non-woven fabrics.
Described polylactic acid fabric knitted cloth is that grammes per square metre is containing PLA long filament or chopped fiber and the weft-knitted fabric of spandex thread
120-150g/m2, longitudinal tensile strain rate is between 150-180%, and cross direction elongation is between 100-130%, and wherein, PLA is long
The weight/mass percentage composition of silk or chopped fiber is 93-95%, and the weight/mass percentage composition of spandex thread is 5-7%.
Described acid fiber by polylactic needle punched non-woven fabrics contains three-dimensional hollow curling acid fiber by polylactic and double-component acid fiber by polylactic, wherein,
The weight/mass percentage composition of three-dimensional hollow curling acid fiber by polylactic is 50-80% and double-component acid fiber by polylactic weight/mass percentage composition is
20-50%, the fineness of three-dimensional hollow curling acid fiber by polylactic is 3-6D, a length of 51-75mm, double-component acid fiber by polylactic thin
Degree is 1.5-3D, a length of 38-51mm.
The preparation method of a kind of acid fiber by polylactic cup that the present invention provides, comprises the following steps:
1) by acid fiber by polylactic through shredding, mixing, combing, cross lapping and drafting process, then carry out first acupuncture and add
Gu, prepare fluffy acid fiber by polylactic needle punched non-woven fabrics；
2) polylactic acid fabric knitted cloth volume is unreeled, feed second pin together with above-mentioned prepared acid fiber by polylactic needle punched non-woven fabrics
Spine area carries out acupuncture and is combined, and is then wound into a roll, and wherein polylactic acid fabric knitted cloth is positioned at the upper strata of Compound Fabric, acid fiber by polylactic
Needle punched non-woven fabrics is positioned at the lower floor of Compound Fabric；
3) acid fiber by polylactic prepared is combined yardage roll to unreel, cuts into the blank of 25cm × 25cm；
4) the cup forming machines with the two identical moulds of set are used to carry out Low Temperature Thermal mold pressing, by the punch of first set cup mould
Being warmed up between 130-140 DEG C, die is warmed up between 125-135 DEG C, and acid fiber by polylactic Compound Fabric blank is put into die, will
Pressing under punch, making Compound Fabric blank is the 90-100 second in the hot moulding time of concavo-convex intermode, and the pressure of mold pressing is 0.2-0.4MPa；
5) the acid fiber by polylactic Compound Fabric blank after hot moulding is taken out from the die of first set cup mould, put into rapidly
The temperature carrying out cold formed process, die and punch in the die of the second set cup mould is room temperature, presses under punch, makes multiple
Closing cloth blank cold forming shaping time between punch and matrix is the 40-50 second, and the sizing pressure of mold pressing is 0.2-0.4MPa；
6) will take out, through severing machine maintenance from the second set cup mould by acid fiber by polylactic Compound Fabric blank after cold forming is shaped
The acid fiber by polylactic cup of the present invention is i.e. made behind limit.
Further, above-mentioned steps 1) described in acid fiber by polylactic needle punched non-woven fabrics use pricker from fiber web sheet in the preparation
Face is 800-1000 beat/min to the reinforcing mode of bottom, punch frequency, and the cloth pin density of needle plate is 1500-2000 piece/meter, acupuncture
Traverse is 60-70mm, and the grammes per square metre of made acid fiber by polylactic needle punched non-woven fabrics is 250-400g/m2, thickness is 6-10mm.
Further, above-mentioned steps 2) described in acid fiber by polylactic Compound Fabric in the preparation, by polylactic acid fabric knitted cloth upper,
Acid fiber by polylactic needle punched non-woven fabrics under overlay order together feed second acupuncture district, use pricker to upper bottom fleece
The complex method on surface, punch frequency is 1100-1500 beat/min, and the cloth pin density of needle plate is 2500-3500 piece/meter, and acupuncture is moved
Journey is 40-50mm, and the thickness of made acid fiber by polylactic Compound Fabric is 3-5mm.
Compared with prior art, acid fiber by polylactic cup that the present invention provides and preparation method thereof has the advantage that
1) the acid fiber by polylactic cup that the present invention provides uses the fluff type acid fiber by polylactic non-woven fabrics that thickness is bigger to replace traditional sea
The continuous cup as bra cup, eliminates polyurethane sponge harm issuable to health, meanwhile, fluff type acupuncture
Non-woven fabrics is by the fleece mutually tangled without several acid fiber by polylactic, is filled with countless hole between fiber and fiber,
This mushy fluff type structure imparts the acid fiber by polylactic extraordinary gas permeability of non-woven fabrics cup.
2) the acid fiber by polylactic cup employing acid fiber by polylactic of present invention offer is as bra cup and the material of main part of internal layer patch,
Making acid fiber by polylactic cup have the performances such as antibacterial and anti-mite, the soft comfortable that wears next to the skin is dry and comfortable, feels as the second of people
Layer skin, further increases the healthy and safe property that human body uses.
3) the acid fiber by polylactic cup that the present invention provides uses three-dimensional hollow acid fiber by polylactic and double-component acid fiber by polylactic to make Gao Peng
Pine needle prick nonwoven cloth, for the cup of bra cup, the hollow structure of acid fiber by polylactic, is not only able to surface sweat quickly
Deriving, and permeability is excellent, the three-dimensional crimp structure of acid fiber by polylactic supports bulkiness and the resilience of cup cup simultaneously
Property, it is possible to make the cup bulky of cup and shape-retaining ability is good, meanwhile, double-component acid fiber by polylactic is then the making of cup cup
Provide more preferable moldability.
4) method that the preparation method employing acupuncture of the acid fiber by polylactic cup that the present invention provides is compound is by cup fabric and cup
It is combined, is then molded by Low Temperature Thermal and further fabric is fixed in cup, eliminate and in traditional handicraft, use spray
Hot-melt is put between fabric and cup by glue adhering machine, then prepares the technique of cup embryo through pressure roller pressing, with purely machinery side
The compound replacement glue of formula is combined, and while increasing cup gas permeability, further increases the health to human body.
5) preparation method of the acid fiber by polylactic cup that the present invention provides uses Low Temperature Thermal mould pressing process, adopts after hot moulding simultaneously
Use cold formed technique, the cup shape after hot moulding is quickly fixed up, it is possible to prevent acid fiber by polylactic from producing and shrink further.
The present invention, by acid fiber by polylactic, acupuncture composite construction and unique selection of preparation technology, makes prepared PLA fine
Dimension cup has ventilative, the moisture-inhibiting of excellence, pro-skin, antibacterial, anti-mite and the several functions such as biodegradable, strong for pursuing now
Kang Huanbao and comfortable women provide preferably selection.
Detailed description of the invention
Below in conjunction with specific embodiment (but being not limited to illustrated embodiment), the invention will be further described.
Embodiment 1:
The most raw-material selection:
The grammes per square metre selecting polylactic acid fabric knitted cloth is 120g/m2, longitudinal tensile strain rate is 150%, and cross direction elongation is 100%, poly-
The weight/mass percentage composition of lactic acid long filament is 97%, spandex thread weight/mass percentage composition be 3%；Select three-dimensional hollow curling PLA
The fineness of fiber is 3D, a length of 51mm, and the fineness of double-component acid fiber by polylactic is 1.5D, a length of 38mm, PLA
In fibre prickling non-woven fabrics, the weight/mass percentage composition of three-dimensional hollow curling acid fiber by polylactic and double-component acid fiber by polylactic is respectively 80%
With 20%.
2. preparation method:
1) by acid fiber by polylactic through shredding, mixing, combing, cross lapping and drafting process, then use pricker from fleece
Upper surface carries out first pinprick reinforcement to the reinforcing mode of bottom, and punch frequency is 800 beats/min, and the cloth pin density of needle plate is 1500
Piece/meter, acupuncture traverse is 60mm, and obtained fluffy acid fiber by polylactic needle punched non-woven fabrics grammes per square metre is 250g/m2, thickness is 6mm；
2) polylactic acid fabric knitted cloth volume is unreeled, feed second pin together with above-mentioned prepared acid fiber by polylactic needle punched non-woven fabrics
Spine area carries out acupuncture and is combined, and uses pricker to the complex method of upper surface bottom fleece, and punch frequency is 1100 beats/min, pin
The cloth pin density of plate is 2500 pieces/meter, and acupuncture traverse is 40mm, and the thickness of made acid fiber by polylactic Compound Fabric is 3mm,
Then being wound into a roll, wherein polylactic acid fabric knitted cloth is positioned at the upper strata of Compound Fabric, and acid fiber by polylactic needle punched non-woven fabrics is positioned at compound
The lower floor of cloth；
3) acid fiber by polylactic prepared is combined yardage roll to unreel, cuts into the blank of 25cm × 25cm；
4) the cup forming machines with the two identical moulds of set are used to carry out Low Temperature Thermal mold pressing, by the punch of first set cup mould
Being warmed up to 130 DEG C, die is warmed up to 125 DEG C, acid fiber by polylactic Compound Fabric blank is put into die, presses under punch, make to be combined
Cloth blank is 90 seconds in the hot moulding time of concavo-convex intermode, and the pressure of mold pressing is 0.2MPa；
5) the acid fiber by polylactic Compound Fabric blank after hot moulding is taken out from the die of first set cup mould, put into rapidly
The temperature carrying out cold formed process, die and punch in the die of the second set cup mould is room temperature, presses under punch, makes multiple
Closing cloth blank cold forming shaping time between punch and matrix is 40 seconds, and the sizing pressure of mold pressing is 0.2MPa；
6) will take out, through severing machine maintenance from the second set cup mould by acid fiber by polylactic Compound Fabric blank after cold forming is shaped
Acid fiber by polylactic cup is i.e. made behind limit.
Embodiment 2:
The most raw-material selection:
The grammes per square metre selecting polylactic acid fabric knitted cloth is 130g/m2, longitudinal tensile strain rate is 160%, and cross direction elongation is 110%, poly-
Lactic acid quality of polyester filament percentage composition is 96%, and the weight/mass percentage composition of spandex thread is 4%；Select three-dimensional hollow curling acid fiber by polylactic
Fineness be 4D, a length of 51mm, the fineness of double-component acid fiber by polylactic is 1.5D, a length of 38mm, acid fiber by polylactic
In needle punched non-woven fabrics, the weight/mass percentage composition of three-dimensional hollow curling acid fiber by polylactic and double-component acid fiber by polylactic is respectively 70% He
30%.
2. preparation method:
1) by acid fiber by polylactic through shredding, mixing, combing, cross lapping and drafting process, then use pricker from fleece
Upper surface carries out first pinprick reinforcement to the reinforcing mode of bottom, and punch frequency is 850 beats/min, and the cloth pin density of needle plate is 1600
Piece/meter, acupuncture traverse is 62mm, and obtained fluffy acid fiber by polylactic needle punched non-woven fabrics grammes per square metre is 300g/m2, thickness is 7mm；
2) polylactic acid fabric knitted cloth volume is unreeled, feed second pin together with above-mentioned prepared acid fiber by polylactic needle punched non-woven fabrics
Spine area carries out acupuncture and is combined, and uses pricker to the complex method of upper surface bottom fleece, and punch frequency is 1200 beats/min, pin
The cloth pin density of plate is 2500 pieces/meter, and acupuncture traverse is 42mm, and the thickness of made acid fiber by polylactic Compound Fabric is 3.5mm,
Then being wound into a roll, wherein polylactic acid fabric knitted cloth is positioned at the upper strata of Compound Fabric, and acid fiber by polylactic needle punched non-woven fabrics is positioned at compound
The lower floor of cloth；
3) acid fiber by polylactic prepared is combined yardage roll to unreel, cuts into the blank of 25cm × 25cm；
4) the cup forming machines with the two identical moulds of set are used to carry out Low Temperature Thermal mold pressing, by the punch of first set cup mould
Being warmed up to 133 DEG C, die is warmed up to 128 DEG C, acid fiber by polylactic Compound Fabric blank is put into die, presses under punch, make to be combined
Cloth blank is 94 seconds in the hot moulding time of concavo-convex intermode, and the pressure of mold pressing is 0.25MPa；
5) the acid fiber by polylactic Compound Fabric blank after hot moulding is taken out from the die of first set cup mould, put into rapidly
The temperature carrying out cold formed process, die and punch in the die of the second set cup mould is room temperature, presses under punch, makes multiple
Closing cloth blank cold forming shaping time between punch and matrix is 43 seconds, and the sizing pressure of mold pressing is 0.28MPa；
6) will take out, through severing machine maintenance from the second set cup mould by acid fiber by polylactic Compound Fabric blank after cold forming is shaped
Acid fiber by polylactic cup is i.e. made behind limit.
Embodiment 3:
The most raw-material selection:
The grammes per square metre selecting polylactic acid fabric knitted cloth is 140g/m2, longitudinal tensile strain rate is 170%, and cross direction elongation is 120%, poly-
Lactic acid chopped fiber weight/mass percentage composition is 96%, and the weight/mass percentage composition of spandex thread is 4%；Select three-dimensional hollow curling PLA fine
The fineness of dimension is 5D, and a length of 65mm, the fineness of double-component acid fiber by polylactic is 3D, a length of 5mm, acid fiber by polylactic
In needle punched non-woven fabrics, the weight/mass percentage composition of three-dimensional hollow curling acid fiber by polylactic and double-component acid fiber by polylactic is respectively 60% He
40%.
2. preparation method:
1) by acid fiber by polylactic through shredding, mixing, combing, cross lapping and drafting process, then use pricker from fleece
Upper surface carries out first pinprick reinforcement to the reinforcing mode of bottom, and punch frequency is 900 beats/min, and the cloth pin density of needle plate is 1700
Piece/meter, acupuncture traverse is 65mm, and obtained fluffy acid fiber by polylactic needle punched non-woven fabrics grammes per square metre is 350g/m2, thickness is 8mm；
2) polylactic acid fabric knitted cloth volume is unreeled, feed second pin together with above-mentioned prepared acid fiber by polylactic needle punched non-woven fabrics
Spine area carries out acupuncture and is combined, and uses pricker to the complex method of upper surface bottom fleece, and punch frequency is 1300 beats/min, pin
The cloth pin density of plate is 2500 pieces/meter, and acupuncture traverse is 45mm, and the thickness of made acid fiber by polylactic Compound Fabric is 4mm,
Then being wound into a roll, wherein polylactic acid fabric knitted cloth is positioned at the upper strata of Compound Fabric, and acid fiber by polylactic needle punched non-woven fabrics is positioned at compound
The lower floor of cloth；
3) acid fiber by polylactic prepared is combined yardage roll to unreel, cuts into the blank of 25cm × 25cm；
4) the cup forming machines with the two identical moulds of set are used to carry out Low Temperature Thermal mold pressing, by the punch of first set cup mould
Being warmed up to 136 DEG C, die is warmed up to 130 DEG C, acid fiber by polylactic Compound Fabric blank is put into die, presses under punch, make to be combined
Cloth blank is 96 seconds in the hot moulding time of concavo-convex intermode, and the pressure of mold pressing is 0.3MPa；
5) the acid fiber by polylactic Compound Fabric blank after hot moulding is taken out from the die of first set cup mould, put into rapidly
The temperature carrying out cold formed process, die and punch in the die of the second set cup mould is room temperature, presses under punch, makes multiple
Closing cloth blank cold forming shaping time between punch and matrix is 46 seconds, and the sizing pressure of mold pressing is 0.35MPa；
6) will take out, through severing machine maintenance from the second set cup mould by acid fiber by polylactic Compound Fabric blank after cold forming is shaped
Acid fiber by polylactic cup is i.e. made behind limit.
Embodiment 4:
The most raw-material selection:
The grammes per square metre selecting polylactic acid fabric knitted cloth is 150g/m2, longitudinal tensile strain rate is 180%, and cross direction elongation is 130%, poly-
Lactic acid quality of polyester filament percentage composition is 95%, and the weight/mass percentage composition of spandex thread is 5%；Select three-dimensional hollow curling acid fiber by polylactic
Fineness be 6D, a length of 75mm, the fineness of double-component acid fiber by polylactic is 3D, a length of 51mm, acid fiber by polylactic pin
In prick nonwoven cloth, the weight/mass percentage composition of three-dimensional hollow curling acid fiber by polylactic and double-component acid fiber by polylactic is respectively 50% He
50%.
2. preparation method:
1) by acid fiber by polylactic through shredding, mixing, combing, cross lapping and drafting process, then use pricker from fibre
The reinforcing mode tieing up portion on earth, online surface carries out first pinprick reinforcement, and punch frequency is 1000 beats/min, the cloth pin density of needle plate
Being 2000 pieces/meter, acupuncture traverse is 70mm, and obtained fluffy acid fiber by polylactic needle punched non-woven fabrics grammes per square metre is 400g/m2, thick
Degree is 10mm；
2) polylactic acid fabric knitted cloth volume is unreeled, feed second pin together with above-mentioned prepared acid fiber by polylactic needle punched non-woven fabrics
Spine area carries out acupuncture and is combined, and uses pricker to the complex method of upper surface bottom fleece, and punch frequency is 1500 beats/min, pin
The cloth pin density of plate is 3500 pieces/meter, and acupuncture traverse is 50mm, and the thickness of made acid fiber by polylactic Compound Fabric is 5mm,
Then being wound into a roll, wherein polylactic acid fabric knitted cloth is positioned at the upper strata of Compound Fabric, and acid fiber by polylactic needle punched non-woven fabrics is positioned at compound
The lower floor of cloth；
3) acid fiber by polylactic prepared is combined yardage roll to unreel, cuts into the blank of 25cm × 25cm；
4) the cup forming machines with the two identical moulds of set are used to carry out Low Temperature Thermal mold pressing, by the punch of first set cup mould
Being warmed up to 140 DEG C, die is warmed up to 135 DEG C, acid fiber by polylactic Compound Fabric blank is put into die, presses under punch, make to be combined
Cloth blank is 100 seconds in the hot moulding time of concavo-convex intermode, and the pressure of mold pressing is 0.4MPa；
5) the acid fiber by polylactic Compound Fabric blank after hot moulding is taken out from the die of first set cup mould, put into rapidly
The temperature carrying out cold formed process, die and punch in the die of the second set cup mould is room temperature, presses under punch, makes multiple
Closing cloth blank cold forming shaping time between punch and matrix is 50 seconds, and the sizing pressure of mold pressing is 0.4MPa；
6) will take out, through severing machine maintenance from the second set cup mould by acid fiber by polylactic Compound Fabric blank after cold forming is shaped
Acid fiber by polylactic cup is i.e. made behind limit.
To the thickness of cup, the cup of the acid fiber by polylactic prepared by aforementioned four embodiment, deep, breathable moisture permeability and feel are carried out
Test and assessment, its result is as shown in table 1.
Table 1: the test result of acid fiber by polylactic cup performance
As it can be seen from table 1 the acid fiber by polylactic cup prepared of embodiment 1-4 is deep at thickness, cup and in terms of feel with sponge cover
Cup is close, but has extraordinary breathable moisture permeability, and color also will not change with wearing the permanent of time, and biological fall
Solution rate has exceeded 90%, healthy and environmental protection, will have extraordinary application prospect in underclothing garment field.
Although, use general explanation, detailed description of the invention and test, the present invention has been described in detail, but
On the basis of the present invention, it can be modified or improve, such as being jointly used in mixed way acid fiber by polylactic and other fibers, or
Person changes the chemical component of acid fiber by polylactic, increases the number of plies etc. of Compound Fabric, and this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed
Scope.
Claims (10)
1. the preparation method of an acid fiber by polylactic cup, it is characterised in that comprise the steps:
1) by acid fiber by polylactic through shredding, mixing, combing, cross lapping and drafting process, then carry out first pinprick reinforcement, prepare fluffy acid fiber by polylactic needle punched non-woven fabrics；
2) polylactic acid fabric knitted cloth volume is unreeled, feed together with above-mentioned prepared acid fiber by polylactic needle punched non-woven fabrics second acupuncture district carry out acupuncture be combined, prepare acid fiber by polylactic Compound Fabric, then it is wound into a roll, wherein polylactic acid fabric knitted cloth is positioned at the upper strata of Compound Fabric, and acid fiber by polylactic needle punched non-woven fabrics is positioned at the lower floor of Compound Fabric；
3) acid fiber by polylactic prepared is combined yardage roll to unreel, cuts into the blank of 25cm × 25cm；
4) use the cup forming machines with the two identical moulds of set that acid fiber by polylactic Compound Fabric is carried out Low Temperature Thermal mold pressing, the punch of first set cup mould is warmed up between 130-140 DEG C, die is warmed up between 125-135 DEG C, acid fiber by polylactic Compound Fabric blank is put into die, press under punch, making Compound Fabric blank is the 90-100 second in the hot moulding time of concavo-convex intermode, and the pressure of mold pressing is 0.2-0.4MPa；
5) the acid fiber by polylactic Compound Fabric blank after hot moulding is taken out from the die of first set cup mould, put into rapidly in the die of the second set cup mould and carry out cold formed process, the temperature of die and punch is room temperature, press under punch, making Compound Fabric blank cold forming shaping time between punch and matrix is the 40-50 second, and the sizing pressure of mold pressing is 0.2-0.4MPa；
6) will take out from the second set cup mould by acid fiber by polylactic Compound Fabric blank after cold forming is shaped, after cutting machine deburring, i.e. make acid fiber by polylactic cup.
The preparation method of a kind of acid fiber by polylactic cup the most according to claim 1, it is characterized in that: described acid fiber by polylactic needle punched non-woven fabrics uses pricker reinforcing mode from fleece upper surface to bottom in the preparation, punch frequency is 800-1000 beat/min, the cloth pin density of needle plate is 1500-2000 piece/meter, and acupuncture traverse is 60-70mm.
The preparation method of a kind of acid fiber by polylactic cup the most according to claim 1, it is characterised in that: the grammes per square metre of described acid fiber by polylactic needle punched non-woven fabrics is 250-400g/m2, thickness is 6-10mm.
The preparation method of a kind of acid fiber by polylactic cup the most according to claim 1, it is characterized in that: described acid fiber by polylactic Compound Fabric uses pricker complex method to upper surface bottom fleece in the preparation, by polylactic acid fabric knitted cloth upper, acid fiber by polylactic needle punched non-woven fabrics under overlay order together feed second acupuncture district, punch frequency is 1100-1500 beat/min, the cloth pin density of needle plate is 2500-3500 piece/meter, and acupuncture traverse is 40-50mm.
The preparation method of a kind of acid fiber by polylactic cup the most according to claim 1, it is characterised in that: the thickness of described acid fiber by polylactic Compound Fabric is 3-5mm.
6. the acid fiber by polylactic cup that a preparation method according to claim 1 obtains, it is characterized in that, described acid fiber by polylactic cup is made up of upper strata polylactic acid fabric knitted cloth and lower floor's acid fiber by polylactic needle punched non-woven fabrics, and described polylactic acid fabric knitted cloth is containing PLA long filament or chopped fiber and the weft-knitted fabric of spandex thread；Containing three-dimensional hollow curling acid fiber by polylactic and double-component acid fiber by polylactic in described acid fiber by polylactic needle punched non-woven fabrics.
A kind of acid fiber by polylactic cup the most according to claim 6, it is characterised in that: in described polylactic acid fabric knitted cloth, the weight/mass percentage composition of PLA long filament or chopped fiber is 93-95%, and the weight/mass percentage composition of described spandex thread is 5-7%.
A kind of acid fiber by polylactic cup the most according to claim 7, it is characterised in that: the grammes per square metre of described polylactic acid fabric knitted cloth is 120-150g/m2, longitudinal tensile strain rate is between 150-180%, and cross direction elongation is between 100-130%.
A kind of acid fiber by polylactic cup the most according to claim 6, it is characterized in that: in described acid fiber by polylactic needle punched non-woven fabrics, the weight/mass percentage composition of three-dimensional hollow curling acid fiber by polylactic is 50-80%, and the weight/mass percentage composition of described double-component acid fiber by polylactic is 20-50%.
A kind of acid fiber by polylactic cup the most according to claim 9, it is characterised in that: the fineness of described three-dimensional hollow curling acid fiber by polylactic is 3-6D, and a length of 51-75mm, the fineness of described double-component acid fiber by polylactic is 1.5-3D, a length of 38-51mm.
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| CN107183801A (en) * | 2017-07-26 | 2017-09-22 | 上海嫒妤服装有限公司 | A kind of silk cotton body, silk cotton mold cup and its manufacture method |
| CN109402871A (en) * | 2018-03-09 | 2019-03-01 | 苏州爱美纤维科技有限公司 | A kind of upright continuous material and preparation method thereof of acid fiber by polylactic |
| CN110344178B (en) * | 2019-07-24 | 2024-04-16 | 深圳全棉时代科技有限公司 | Mould cup needling forming method, mould cup needling mould and mould cup needling equipment |
| JP2024519998A (en) * | 2021-05-25 | 2024-05-21 | ジェルマート インダストリーズ インコーポレイテッド | Sustainable bras and improved bio-based padding |
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| CN102587042A (en) * | 2012-03-06 | 2012-07-18 | 天津工业大学 | One-step polylactic acid spun-laid spunlace non-woven fabric and manufacturing method of non-woven fabric |
| CN202618296U (en) * | 2012-01-19 | 2012-12-26 | 台湾奥黛莉股份有限公司 | Bra pad with coldness-sensing cooling function |
| CN103192568A (en) * | 2013-04-02 | 2013-07-10 | 福建鑫华股份有限公司 | High-performance uniform leather base fabric |
| CN103300494A (en) * | 2013-05-17 | 2013-09-18 | 东华大学 | V-lap technology-based method for producing functional bra cup cushion |
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| JP2002339227A (en) * | 2001-05-15 | 2002-11-27 | Toray Ind Inc | Fiber structure |
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| CN202618296U (en) * | 2012-01-19 | 2012-12-26 | 台湾奥黛莉股份有限公司 | Bra pad with coldness-sensing cooling function |
| CN102587042A (en) * | 2012-03-06 | 2012-07-18 | 天津工业大学 | One-step polylactic acid spun-laid spunlace non-woven fabric and manufacturing method of non-woven fabric |
| CN103192568A (en) * | 2013-04-02 | 2013-07-10 | 福建鑫华股份有限公司 | High-performance uniform leather base fabric |
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