CN108652832A - A kind of underpants for woman in period and preparation method thereof - Google Patents
A kind of underpants for woman in period and preparation method thereof Download PDFInfo
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- CN108652832A CN108652832A CN201810267101.3A CN201810267101A CN108652832A CN 108652832 A CN108652832 A CN 108652832A CN 201810267101 A CN201810267101 A CN 201810267101A CN 108652832 A CN108652832 A CN 108652832A
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- ptt
- composite fibre
- underpants
- pet composite
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
- A61F13/15658—Forming continuous, e.g. composite, fibrous webs, e.g. involving the application of pulverulent material on parts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of underpants for woman in period and preparation method thereof, are related to disposable sanitary product technical field.Underpants for woman in period provided by the invention and preparation method thereof, pass through the selection of ptt fiber and PTT/PET bicomponent fibers, the adjustment of shredding combing and spun lacing reinforcement process, the selection of special contraction and contracting pleat technique, make the elastic force non-woven fabrics of preparation while having superior elasticity, the good flexibility of spunlace non-woven cloth is also had both, comfortable ventilating, with better safety, the elastic force non-woven fabrics is used for the waistline position of underpants for woman in period, compression area of the underpants for woman in period to women abdomen can be increased, abdomen stress is set to be more uniformly distributed, it can avoid excessive compressing of the common underpants for woman in period to menstruating women abdomen, simultaneously, the processing technology of the underpants for woman in period is simple, processing cost is relatively low, suitable for sustainable production.
Description
Technical field
The present invention relates to disposable sanitary product technical field, more particularly to a kind of underpants for woman in period and preparation method thereof.
Background technology
During general women is from birth to the life course of aging, the menstrual cycle is during 12 years old~51 years old, it means that she
All one's life probably have more than 2300 days be in menstrual period, sanitary napkin just become the essential menstruation care articles for use of women.Sanitary napkin is such as
Fruit can be divided into daily and ight, but whether daily or ight, it is necessary to paste sanitary napkin according to usage time interval point
It is used on underpants, such occupation mode is in sleeping at night posture not pair or when sports, it may appear that sanitary napkin shifts and occurs
Side leakage phenomenon.Therefore when menstrual period, amount was bigger, wearing pants type sanitary napkin can make women safer, more comfortably spend spy
Different those days.
Female menstrual period trousers are actually a kind of disposable pants formula sanitary napkin, the underpants that it wears usually women and health
Towel integrally combines, and the underpants cleaning for overcoming the issuable leakage of independent sanitary napkin and bringing is inconvenient, can be the women moon
More cleaning, convenient leakage protection are provided through period.
Structurally, disposable female menstrual period trousers mainly by surface layer non-woven fabrics, guide layer, absorptive core, elastic force ring waist,
Several part compositions such as three-dimensional shield, wherein elastic force ring waist is made of 15-16 roots elastic and outer cladding non-woven fabrics, although elastic force
Good, strong with human body sticking nature, but the pressure generated to human body is also big, the especially frequent distending pain of women belly during menstrual period is long
Time can strangle out red seal after wearing underpants for woman in period in skin surface, and wearing comfort is poor.
Data in terms of the existing elastic force ring waist for being related to disposable female menstrual period trousers has：
Patent CN201520584008.7 is related to a kind of underpants for woman in period, including underpants for woman in period ontology, the underpants for woman in period ontology by from it is interior to
The waist of trousers portion for folding pro-skin internal layer, absorbent central layer, the extexine composition and underpants for woman in period ontology that set successively outside is built-in with waistline elastic,
The bottom crotch of the underpants for woman in period ontology is longitudinally built-in with more elastics and more elastics are located at bottom crotch center, is used in underpants for woman in period
When so that the bottom crotch of underpants for woman in period is bonded completely with human body bottom crotch so that underpants for woman in period absorbed layer can uniform imbibition, to improve menstrual period
Effective imbibition rate of trousers；The underpants for woman in period is not only frivolous, but also ventilative, to improve the usage comfort of underpants for woman in period.
Patent CN201420527213.5 is related to a kind of Ms's underpants for woman in period, including is prevented by superficial layer, absorbent central layer, bottom
The absorbent body portion of drop ply composition, and for the elastic waistline portion with human body dress, the superficial layer is hydrophilic nonwoven fabrics,
The absorbent central layer is the bulky nonwoven cloth of upper layer dust-free paper and lower layer's dust-free paper package containing dispersion SAP particles, intermediate
Diversion trench is provided on absorbed layer, the bottom application of anti-leakage layers is PE ventilated membranes, and the elastic waistline portion is by waistline before elasticity
Get up to be formed by hot melt adhesive with waistline after elasticity.This uses the form of underpants for woman in period, more docile body, without worrying that movement is brought
The displacement of nursing materials；The underpants for woman in period is more frivolous, only 2-4mm；Absorbent central layer is wrapped up long fine containing SAP using dust-free paper
Bulky nonwoven cloth is tieed up, there are guide functions, is combined with the SAP particles being dispersed therein so that absorb faster, and after absorption
Not broken sticks together.
Patent CN201520511046.X is related to a kind of Ms's underpants used in menstrual period bacteria-inhibiting type sanitary napkin, including antibacterial water penetration face
Layer, absorbent cores, non-permeable appearance bottom, which is characterized in that the non-permeable appearance bottom is by non-permeable outer layer nonwoven
Sheet base fabric made of cloth, non-permeable internal layer are non-woven fabric compounded, non-permeable outer layer non-woven fabrics, non-permeable internal layer on base fabric
Between non-woven fabrics be equipped with S-shaped crotch be bent it is elastic, waistline hip circumference elasticity is elastic, base fabric front-end and back-end waistline hip circumference elasticity is elastic
Both sides be equipped with waistline connection component, base fabric and waistline hip circumference elasticity it is elastic between be equipped with non-woven fabrics waistline liner, the absorption
Core refers to absorbed layer, which uses composite absorbent paper, and leakproof bottom film is coated with below absorbent cores, and absorbent cores side is equipped with anti-side
The three-dimensional edge of leakage, leakproof bottom film are pasted onto on sheet base fabric, and antibacterial water penetration face layer is water penetration non-woven fabrics, and face layer is covered in
The upper surface of absorbent cores.
From in data above-mentioned as can be seen that existing disposable female menstrual period trousers elastic force waistline in elasticity all through
The elasticity of elastic silk realizes, the uses of more elastic filaments to the women abdomen in menstrual period may caused by larger pressure,
To aggravate the abdominal discomfort of female menstrual period, the user experience of the women in menstrual period is influenced.
Invention content
In view of the above-mentioned problems existing in the prior art, the present invention provides a kind of underpants for woman in period and preparation method thereof.
The first aspect according to the ... of the embodiment of the present invention provides a kind of preparation method of underpants for woman in period, the method includes：
Ptt fiber and PTT/PET bicomponent fibers are mixed to get PTT and PTT/PET composite fibre, the PTT and PTT/PET
The proportioning of ptt fiber and PTT/PET bicomponent fibers is 50-70% in composite fibre：30-50%, to the PTT and PTT/PET
Composite fibre spray liquid antistatic, and by after sprinkling PTT the and PTT/PET composite fibre stand 4-6h, make the PTT and
The regain of PTT/PET composite fibre reaches 8.1-10.2%, wherein the proportioning of each ingredient is antistatic in the liquid antistatic
Softening agent：Water is 6-10%:90-94%, the antistatic softening agent are nonionic；
PTT the and PTT/PET composite fibre after standing is subjected to thick shredding, smart shredding, combing and cross lapping process, is obtained
To PTT and PTT/PET composite fibre nets, wherein the technological parameter of the shredding carding step is：Plucker roller linear velocity is respectively
550-730m/min、750-850 m/min、900-950 m/min；Main cylinder speed is 700-920 m/min, cylinder and work
Roller speed ratio is 10.1-13.5：1, the cross lapping number of plies is layer 2-4, and drafting multiple is 1.45-2.10 times；
PTT the and PTT/PET composite fibre net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein the spun lacing adds
Solid technological parameter be：Spun lacing pressure is respectively 15-35bar, 68-90bar, 100-120bar；
PTT the and PTT/PET composite fibre net for reinforcing process by the spun lacing is sent into drying chamber and carries out baking operation,
It is 50-65g/m to obtain grammes per square metre2, thickness is 66.1-75 μm, and longitudinal preshrinking rate is PTT the and PTT/PET composite fibre of 40-65%
PTT the and PTT/PET composite fibre non-woven base cloth is cut into the specification that width is 1.5m, wherein the baking by non-woven base cloth
The technological parameter of dry process is：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, often
The quantity of group drying roller is 6, and the temperature of each drying roller is controlled at 108-130 DEG C, and cylinder hot wind penetrates temperature and is
120-135 DEG C, hot wind penetrates Boiler pressure control in 70000-80000m3/ h, drying rate 40-50m/min；
The stretched film that width is 2m is stretched into 360-390% along entire breadth direction, the stretched film after stretching is laid in point
On PTT the and PTT/PET composite fibre non-woven base cloth after cutting, then using with roll hot roll a little will be described in after stretching
Stretched film is gently fixed on PTT the and PTT/PET composite fibre non-woven base cloth after cutting, the technological parameter of light fixed flow
For：The hot rolling roll temperature control is at 105-115 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT and PTT/
Nothing rolls an area in PET composite fibre non-woven base cloths：Have roll an area be 80：1；
PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film is sent into guide roll type steam forming machine
Interior carry out heat-setting process is fixed with PTT the and PTT/PET composite fibre non-woven base cloth of the stretched film through superheated steam
After dewing preheating, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, under hot steam effect,
The stretched film generates retraction, and then PTT the and PTT/PET composite fibre non-woven base cloth is driven to form the vertical of preset quantity
In longitudinal fold, the technological parameter of the heat-setting process is：Heat-setting time is 8-10min, heat setting temperature 105-
110 DEG C, thermal finalization speed is 22-38m/min；
It is dried being sent into hot-air oven by PTT the and PTT/PET composite fibre non-woven base cloth of the heat-setting process
3-6min divests the stretched film shunk on PTT the and PTT/PET composite fibre non-woven base cloth, and obtaining elongation is
The operating temperature of the elastic force non-woven fabrics with fold of 180-200%, the hot-air oven is 85-95 DEG C；
The elastic force non-woven fabrics and counterdie compound nonwoven cloth, water repellent SMS non-woven fabric solids encirclement and surface material are prepared jointly
Menstrual period underpants finished product is obtained, the elastic force non-woven fabrics is located at the entire waistline position of the underpants for woman in period.
In a preferred embodiment, described by the elastic force non-woven fabrics and counterdie compound nonwoven cloth, water repellent SMS nonwovens
Menstrual period underpants finished product is prepared in cloth three-dimensional shield and surface material jointly, including：
Use hydrophilic spun-bond nonwoven fabric cladding width 100mm, grammes per square metre 430g/m2Absorptive core, after glue spraying with guide layer into
The absorptive core for coating hydrophilic spun-bond nonwoven fabric is cut molding by row compound rolling；
Counterdie is unreeled, glue spraying, then non-woven fabric compounded with bottom, forms counterdie compound nonwoven cloth；
Water repellent SMS non-woven fabrics and leg elastic silk are subjected to glue spraying cladding, form water repellent SMS non-woven fabric solid encirclements；
The elastic force non-woven fabrics is cut into the specification that width is 860cm, by the elastic force non-woven fabrics and the bottom after cutting
Film compound nonwoven cloth, the water repellent SMS non-woven fabric solids encirclement, surface material carry out cladding suture, by compound rolling, divide
After cutting, folding stacking, counts and packed into bag, obtain menstrual period underpants finished product.
In a preferred embodiment, the fibre fineness of the ptt fiber be 1.5-3D, fibre length 38-51mm,
The fibre structure of the PTT/PET bicomponent fibers is core shift type, and core shift ratio is 7:3, fibre fineness 2-3D, fibre length are
40-51mm。
In a preferred embodiment, the stretched film is LLDPE film, thickness 0.055-0.065mm, longitudinal stretching
Intensity is 30-35MPa, transverse tensile strength 25-30MPa.
In a preferred embodiment, the stretched film is when extensibility is 350-400%, the surface of the stretched film
Viscosity is 3.1-2.8N.
In a preferred embodiment, for PTT the and PTT/PET composite fibre by the heat-setting process
Each fold on non-woven base cloth, the width of the fold are 1.2-2.2mm, the arranging density of the fold be 22-27 items/
5cm。
The second aspect according to the ... of the embodiment of the present invention provides a kind of underpants for woman in period, which is characterized in that the underpants for woman in period is by upper
The preparation method for stating any underpants for woman in period is prepared.
Compared with prior art, a kind of underpants for woman in period provided by the invention and preparation method thereof has the following advantages：
First, it is environmentally protective.The present invention makees the integral loop waistline of female menstrual period trousers using single layer elastic force non-woven fabrics, the bullet in production
Power non-woven fabrics is sent on urine pants machine directly from the external rack of urine pants machine and is produced, and original inner layer hot wind nonwoven is saved
Three layers of cloth, intermediate elastic silk and outer layer hot-wind nonwoven cloth glue spraying compound working procedure, save and are respectively used to put inner layer beside urine pants machine
Three external racks of hot-wind nonwoven cloth, intermediate elastic silk and outer layer hot-wind nonwoven cloth are saved exclusively for waist elastic silk and inner
Layer hot-wind nonwoven cloth, the compound outfit of outer layer hot-wind nonwoven cloth hot melt adhesive glue cylinder（For melting hot melt adhesive）, and then reduce equipment
Input reduces production process, reduces the use of raw material, final to reduce equipment investment and production cost, and it is low to fully belong to green
Carbon products.
Second, comfortable ventilating is good.The elastic force ring waist of existing female menstrual period trousers is by inner layer hot-wind nonwoven cloth, intermediate elastic silk
With three layers of outer layer hot-wind nonwoven cloth by spraying elastic glue and non-woven fabrics heat respectively on elastic silk and innner and outer layer hot-wind nonwoven cloth
Melten gel is glued together by three layers, wherein intermediate elastic silk is made of 15-18 roots, belly passes through when due to most of female menstrual periods
Often can distending pain cause a kind of constriction, and since it is molten by three layers of heating there are big to human body belly and lumbar pressure when wearing
Glue is combined, the problems such as being also easy to produce strike-through there is also poor air permeability, inner layer hot-wind nonwoven cloth；And the elastic force nonwoven of the present invention
Cloth belongs to single layer structure, and raw base substrate is actually the spunlace non-woven cloth containing ptt fiber and PET/PTT bicomponent fibers, tool
Have the characteristics that soft, comfortable ventilating is good, and the chemical assistant without any external addition, has better safe and healthy
Property.
Third, elasticity are good.Although spunlace non-woven cloth soft comfortable on the market now, does not have any elasticity, this hair
The elastic force realization of bright elastic non-woven cloth is by following two aspects：1）The use of unique fiber raw material：Using ptt fiber and
PTT/PET core shift type bicomponent fibers mixtures are raw material, and the wherein scientific name of PTT is polypropylene terephthalate, is poly-
Newcomer in ester family has lower initial modulus, and elasticity is better than polyamide fibre, is less than spandex, due to ptt fiber macromolecular
Chain has " strange carbon effect ", thus has better tensile elasticity and resilience, under steam heat effect, generates numerous
It is irregular to crimp and generation contraction naturally；On the other hand, another composition in fiber blend body is PTT/PET two-components
Fiber, as a result of the structure design of core shift type, under steam-heated effect, PTT components side in parallel composite fiber
With the potential shrinking percentage than PET component side bigger.When heated, the big PTT components of shrinking percentage, which generate, shrinks, and shrinking percentage
Trend with stretching, extension when low PET component side is compressed, therefore single fiber entangled to each other in fibre web is because of each point
Impact direction and stress it is of different sizes and curling and distortion occurs, make mutually to tangle closer between fiber, be formed mutual
Staggeredly, the stereochemical structure of clasp joint also increases contain ptt fiber and PTT/PET bicomponent fibers non-woven fabrics base fabrics to a certain extent
Elasticity；2）The selection of special processing process：When preparing the non-woven base cloth containing ptt fiber and PTT/PET bicomponent fibers, choosing
Selected more combs beat less, low speed, the shredding of low draw ratio, combing and net-forming process, be more conducive to form uniform web, while using three
Road spun lacing is reinforced, and to form the non-woven base cloth of loose structure, non-woven base cloth can be made to produce centainly in spun lacing baking operation
The retraction of ratio is laid a solid foundation for special shrinking process processing in next step；3）The use of unique shrinking process：By to containing PTT
Fiber and the stretched stretched film of PET/PTT bicomponent fibers non-woven fabrics composite for base fabric, are sent into steam in the form of tension-free
Steam is carried out in forming machine and shrinks processing, and under the action of hot steam, ptt fiber further generates retraction, while PTT/PET is bis-
Also further retraction forms 3 D stereo curling to component fiber, and the internal stress gathered in the stretched film by pre-stretching in addition is wet
Retraction is further generated under the action of heat, and then numerous be transversely to the machine direction is formed on cloth cover（Machine direction）, arrangement it is close
Fold, the elastic extension of finally formed elastic non-woven cloth is fully able to meet women and wearing off between 180%-200%
Required elastic force requirement when underpants for woman in period.
In conclusion underpants for woman in period provided by the invention and preparation method thereof, fine by ptt fiber and PTT/PET two-components
The selection of dimension, the adjustment of shredding combing and spun lacing reinforcement process, the selection of special contraction and contracting pleat technique, make the elastic force of preparation without
Woven fabric has also had both the good flexibility of spunlace non-woven cloth, comfortable ventilating while having superior elasticity, has preferably peace
Quan Xing, by the elastic force non-woven fabrics be used for underpants for woman in period waistline position, can underpants for woman in period it is larger to the pressure stress surface of women abdomen, by
Power is more uniform, can avoid compressing to menstruating women abdomen, meanwhile, the processing technology of the underpants for woman in period is simple, processing cost compared with
It is low, it is suitable for sustainable production.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and in specification together principle for explaining the present invention.
Fig. 1 is a kind of schematic diagram of underpants for woman in period provided in an embodiment of the present invention.
Specific implementation mode
Below in conjunction with specific embodiment（But it is not limited to illustrated embodiment) the detailed description present invention, the specific side of the present embodiment
Method only for illustrating that the present invention, the scope of the present invention should not be limited by the examples, the present invention can make in the application various forms with
The modification and variation of structure, these are similarly in the protection of the present patent application claim based on the equivalent form on the basis of the present invention
Range.The antistatic softening agent that wherein embodiment of the present invention uses is purchased from Dongguan City Tai Yang textile products Co., Ltd.
Embodiment 1
Step 101, ptt fiber and PTT/PET bicomponent fibers are mixed to get PTT and PTT/PET composite fibre, the PTT
It is 50-70% with the proportioning of ptt fiber in PTT/PET composite fibre and PTT/PET bicomponent fibers：30-50%, to the PTT
Liquid antistatic is sprayed with PTT/PET composite fibre, and PTT the and PTT/PET composite fibre after sprinkling is stood into 4-6h, is made
The regain of the PTT and PTT/PET composite fibre reaches 8.1-10.2%, wherein the proportioning of each ingredient in the liquid antistatic
For antistatic softening agent：Water is 6-10%:90-94%, the antistatic softening agent are nonionic.
Step 102, PTT the and PTT/PET composite fibre after standing is subjected to thick shredding, smart shredding, combing and friendship
Lapping process is pitched, PTT and PTT/PET composite fibre nets are obtained, wherein the technological parameter of the shredding carding step is：Shredding
Roller linear velocity is respectively 550-730m/min, 750-850 m/min, 900-950 m/min；Main cylinder speed is 700-920 m/
Min, cylinder are 10.1-13.5 with working roll speed ratio：1, the cross lapping number of plies is layer 2-4, and drafting multiple is 1.45-2.10 times.
Step 103, PTT the and PTT/PET composite fibre net is subjected to spun lacing using 3 groups of water jets and reinforces process,
In, the technological parameter that the spun lacing is reinforced is：Spun lacing pressure is respectively 15-35bar, 68-90bar, 100-120bar.
Step 104, PTT the and PTT/PET composite fibre net that process is reinforced by the spun lacing is sent into drying chamber
Baking operation is carried out, it is 50-65g/m to obtain grammes per square metre2, thickness be 66.1-75 μm, longitudinal preshrinking rate be 40-65% PTT and
PTT/PET composite fibre non-woven base cloths, it is 1.5m's that PTT the and PTT/PET composite fibre non-woven base cloth, which is cut into width,
Specification, wherein the technological parameter of the baking operation is：Using double groups of drying rollers the drying being combined is penetrated with cylinder hot wind
Mode is dried, and the quantity of every group of drying roller is 6, and at 108-130 DEG C, cylinder is warm for the temperature control of each drying roller
It is 120-135 DEG C that wind, which penetrates temperature, and hot wind penetrates Boiler pressure control in 70000-80000m3/ h, drying rate 40-50m/min.
Step 105, the stretched film that width is 2m is stretched into 360-390% along entire breadth direction, by the drawing after stretching
It stretches on PTT the and PTT/PET composite fibre non-woven base cloth after film is laid in cutting, then will using the hot roll rolled a little is carried
The stretched film after stretching is gently fixed on PTT the and PTT/PET composite fibre non-woven base cloth after cutting, gently fixes flow
Technological parameter be：The hot rolling roll temperature control is at 105-115 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, institute
It states nothing in PTT and PTT/PET composite fibre non-woven base cloths and rolls an area：Have roll an area be 80：1.
Step 106, PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film is sent into deflector roll
Heat-setting process is carried out in formula steam forming machine, is fixed with PTT the and PTT/PET composite fibre nonwoven base of the stretched film
Cloth walks the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine up and down after the preheating of superheated steam dewing,
Under hot steam effect, the stretched film generates retraction, and then PTT the and PTT/PET composite fibre non-woven base cloth is driven to be formed
The fold of preset quantity being transversely to the machine direction, the technological parameter of the heat-setting process are：Heat-setting time is 8-10min, heat
Setting temperature is 105-110 DEG C, and thermal finalization speed is 22-38m/min.
Step 107, heat will be sent by PTT the and PTT/PET composite fibre non-woven base cloth of the heat-setting process
3-6min is dried in wind baking oven, the stretched film shunk on PTT the and PTT/PET composite fibre non-woven base cloth is divested,
The elastic force non-woven fabrics with fold that elongation is 180-200% is obtained, the operating temperature of the hot-air oven is 85-95 DEG C.
Step 108, by the elastic force non-woven fabrics and counterdie compound nonwoven cloth, water repellent SMS non-woven fabric solids encirclement and face layer
Menstrual period underpants finished product is prepared in material jointly, and the elastic force non-woven fabrics is located at the entire elastic force waistline position of the underpants for woman in period.
In a preferred embodiment, described by the elastic force non-woven fabrics and counterdie compound nonwoven cloth, water repellent SMS nonwovens
Menstrual period underpants finished product is prepared in cloth three-dimensional shield and surface material jointly, including：
（1）Use hydrophilic spun-bond nonwoven fabric cladding width 100mm, grammes per square metre 430g/m2Absorptive core, after glue spraying with guide layer
Compound rolling is carried out, the absorptive core for coating hydrophilic spun-bond nonwoven fabric is cut into molding；
（2）Counterdie is unreeled, glue spraying, then non-woven fabric compounded with bottom, forms counterdie compound nonwoven cloth；
（3）Water repellent SMS non-woven fabrics and leg elastic silk are subjected to glue spraying cladding, form water repellent SMS non-woven fabric solid encirclements；
（4）By the elastic force non-woven fabrics cut into width be 860cm specification, by after cutting the elastic force non-woven fabrics with it is described
Counterdie compound nonwoven cloth, the water repellent SMS non-woven fabric solids encirclement, surface material carry out cladding suture, by compound rolling, divide
After cutting, folding stacking, counts and packed into bag, obtain menstrual period underpants finished product.
In a preferred embodiment, the fibre fineness of the ptt fiber be 1.5-3D, fibre length 38-51mm,
The fibre structure of the PTT/PET bicomponent fibers is core shift type, and core shift ratio is 7:3, fibre fineness 2-3D, fibre length are
40-51mm。
In a preferred embodiment, the stretched film is LLDPE film, thickness 0.055-0.065mm, longitudinal stretching
Intensity is 30-35MPa, transverse tensile strength 25-30MPa.
In a preferred embodiment, the stretched film is when extensibility is 350-400%, the surface of the stretched film
Viscosity is 3.1-2.8N.
In a preferred embodiment, for PTT the and PTT/PET composite fibre by the heat-setting process
Each fold on non-woven base cloth, the width of the fold are 1.2-2.2mm, the arranging density of the fold be 22-27 items/
5cm。
In conclusion underpants for woman in period provided by the invention and preparation method thereof, fine by ptt fiber and PTT/PET two-components
The selection of dimension, the adjustment of shredding combing and spun lacing reinforcement process, the selection of special contraction and contracting pleat technique, make the elastic force of preparation without
Woven fabric has also had both the good flexibility of spunlace non-woven cloth, comfortable ventilating while having superior elasticity, has preferably peace
Quan Xing, by the elastic force non-woven fabrics be used for underpants for woman in period waistline position, can underpants for woman in period it is larger to the pressure stress surface of women abdomen, by
Power is more uniform, can avoid compressing to menstruating women abdomen, meanwhile, the processing technology of the underpants for woman in period is simple, processing cost compared with
It is low, it is suitable for sustainable production.
Underpants for woman in period prepared by a kind of preparation method of the underpants for woman in period provided in order to better illustrate the present invention, spy show this
A kind of schematic diagram for underpants for woman in period that inventive embodiments provide, as shown in Figure 1, wherein 1 is underpants for woman in period ontology, and 2 be absorptive core, 3
For elastic force non-woven fabrics entirety elastic force ring waist.
Embodiment 2
201, prepare elastic force non-woven fabrics：
A. the selection of raw material：
Select ptt fiber, fibre fineness 1.5D, length 38mm；It is that core shift type PTT/PET two-components are fine to select fibre structure
Dimension, core shift ratio are 7:3, fibre fineness 2D, length 40mm.
B. it pre-processes：
Ptt fiber and PTT/PET bicomponent fibers are mixed to get PTT and PTT/PET composite fibre, the PTT and PTT/PET
The proportioning of ptt fiber and PTT/PET bicomponent fibers is 70% in composite fibre：30%, it is fine to the PTT and PTT/PET mixing
Dimension sprinkling liquid antistatic, and PTT the and PTT/PET composite fibre after sprinkling is stood into 4h, make the PTT and PTT/PET
The regain of composite fibre reaches 8.1%, wherein the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is
6%:94%, the antistatic softening agent is nonionic.
C. non-woven fabrics base fabric is prepared：
（1）PTT the and PTT/PET composite fibre after standing is subjected to thick shredding, smart shredding, combing and cross lapping work
Sequence obtains PTT and PTT/PET composite fibre nets, wherein the technological parameter of the shredding carding step is：Plucker roller linear velocity
Respectively 550m/min, 750m/min, 900m/min；Main cylinder speed is 700m/min, and cylinder is 10.1 with working roll speed ratio：
1, the cross lapping number of plies is 2 layers, and drafting multiple is 1.45 times.
（2）PTT the and PTT/PET composite fibre net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein institute
Stating the technological parameter that spun lacing is reinforced is：Spun lacing pressure is respectively 15 bar, 68bar, 100bar.
（3）PTT the and PTT/PET composite fibre net for reinforcing process by the spun lacing is sent into drying chamber and is dried
Dry process, it is 50g/m to obtain grammes per square metre2, thickness be 66.1 μm, longitudinal preshrinking rate be 65% PTT and PTT/PET composite fibre without
Base fabric is spun, PTT the and PTT/PET composite fibre non-woven base cloth is cut into the specification that width is 1.5m, wherein the drying
The technological parameter of process is：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, every group
The quantity of drying roller is 6, and the temperature control of each drying roller is at 108 DEG C, and it is 120 DEG C that cylinder hot wind, which penetrates temperature, heat
Wind penetrates Boiler pressure control in 70000m3/ h, drying rate 40m/min.
D. shrink process：
Shrink process is carried out using stretched film, the stretched film is LLDPE film, and thickness 0.055mm, longitudinal tensile strength is
30MPa, transverse tensile strength 25MPa, when extensibility is 400%, the surface viscosity of the stretched film is the stretched film
2.8N。
（1）The stretched film that width is 2m is stretched 390% along entire breadth direction, the stretched film after stretching is tiled
On PTT the and PTT/PET composite fibre non-woven base cloth after cutting, then will be after stretching using the hot roll rolled a little is carried
The stretched film is gently fixed on PTT the and PTT/PET composite fibre non-woven base cloth after cutting, the technique ginseng of light fixed flow
Number is：The hot rolling roll temperature control is at 105 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT and PTT/
Nothing rolls an area in PET composite fibre non-woven base cloths：Have roll an area be 80：1.
（2）PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film is sent into guide roll type steam
Heat-setting process is carried out in forming machine, PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film passes through
After the preheating of hot steam dewing, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, in hot steam
Under effect, the stretched film generates retraction, and then PTT the and PTT/PET composite fibre non-woven base cloth is driven to form present count
The fold of amount being transversely to the machine direction, the technological parameter of the heat-setting process are：Heat-setting time is 8min, and heat setting temperature is
105 DEG C, thermal finalization speed is 38m/min.
（3）It will be sent into hot-air oven by PTT the and PTT/PET composite fibre non-woven base cloth of the heat-setting process
The stretched film shunk on PTT the and PTT/PET composite fibre non-woven base cloth is divested, is extended by middle drying 3min
The operating temperature of the elastic force non-woven fabrics with fold that rate is 200%, the hot-air oven is 85 DEG C, for fixed by the heat
The width of each fold on PTT the and PTT/PET composite fibre non-woven base cloth of type process, the fold is 1.2mm, institute
The arranging density for stating fold is 27/5cm.
202, prepare gynecologic menstrual trousers：
（1）Use hydrophilic spun-bond nonwoven fabric cladding width 100mm, grammes per square metre 430g/m2Absorptive core, after glue spraying with guide layer
Compound rolling is carried out, the absorptive core for coating hydrophilic spun-bond nonwoven fabric is cut into molding；
（2）Counterdie is unreeled, glue spraying, then non-woven fabric compounded with bottom, forms counterdie compound nonwoven cloth；
（3）Water repellent SMS non-woven fabrics and leg elastic silk are subjected to glue spraying cladding, form water repellent SMS non-woven fabric solid encirclements；
（4）By the elastic force non-woven fabrics cut into width be 860cm specification, by after cutting the elastic force non-woven fabrics with it is described
Counterdie compound nonwoven cloth, the water repellent SMS non-woven fabric solids encirclement, surface material carry out cladding suture, by compound rolling, divide
After cutting, folding stacking, counts and packed into bag, obtain menstrual period underpants finished product.
Embodiment 3
301, prepare elastic force non-woven fabrics：
A. the selection of raw material：
Select ptt fiber, fibre fineness 2D, length 38mm；It is that core shift type PTT/PET two-components are fine to select fibre structure
Dimension, core shift ratio are 7:3, fibre fineness 2D, length 40mm.
B. it pre-processes：
Ptt fiber and PTT/PET bicomponent fibers are mixed to get PTT and PTT/PET composite fibre, the PTT and PTT/PET
The proportioning of ptt fiber and PTT/PET bicomponent fibers is 60% in composite fibre：40%, it is fine to the PTT and PTT/PET mixing
Dimension sprinkling liquid antistatic, and PTT the and PTT/PET composite fibre after sprinkling is stood into 5h, make the PTT and PTT/PET
The regain of composite fibre reaches 9.2%, wherein the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is
8%:92%, the antistatic softening agent is nonionic.
C. non-woven fabrics base fabric is prepared：
（1）PTT the and PTT/PET composite fibre after standing is subjected to thick shredding, smart shredding, combing and cross lapping work
Sequence obtains PTT and PTT/PET composite fibre nets, wherein the technological parameter of the shredding carding step is：Plucker roller linear velocity
Respectively 660m/min, 790m/min, 930 m/min；Main cylinder speed is 850 m/min, and cylinder is with working roll speed ratio
11.4：1, the cross lapping number of plies is 4 layers, and drafting multiple is 1.87 times.
（2）PTT the and PTT/PET composite fibre net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein institute
Stating the technological parameter that spun lacing is reinforced is：Spun lacing pressure is respectively 20 bar, 79bar, 110bar.
（3）PTT the and PTT/PET composite fibre net for reinforcing process by the spun lacing is sent into drying chamber and is dried
Dry process, it is 58g/m to obtain grammes per square metre2, thickness be 70.3 μm, longitudinal preshrinking rate be 54% PTT and PTT/PET composite fibre without
Base fabric is spun, PTT the and PTT/PET composite fibre non-woven base cloth is cut into the specification that width is 1.5m, wherein the drying
The technological parameter of process is：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, every group
The quantity of drying roller is 6, and the temperature control of each drying roller is at 116 DEG C, and it is 128 DEG C that cylinder hot wind, which penetrates temperature, heat
Wind penetrates Boiler pressure control in 70000m3/ h, drying rate 45m/min.
D. shrink process：
Shrink process is carried out using stretched film, the stretched film is LLDPE film, and thickness 0.06mm, longitudinal tensile strength is
32.4MPa, transverse tensile strength 27MPa, when extensibility is 380%, the surface viscosity of the stretched film is the stretched film
3N。
（1）The stretched film that width is 2m is stretched 380% along entire breadth direction, the stretched film after stretching is tiled
On PTT the and PTT/PET composite fibre non-woven base cloth after cutting, then will be after stretching using the hot roll rolled a little is carried
The stretched film is gently fixed on PTT the and PTT/PET composite fibre non-woven base cloth after cutting, the technique ginseng of light fixed flow
Number is：The hot rolling roll temperature control is at 110 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT and PTT/
Nothing rolls an area in PET composite fibre non-woven base cloths：Have roll an area be 80：1.
（2）PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film is sent into guide roll type steam
Heat-setting process is carried out in forming machine, PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film passes through
After the preheating of hot steam dewing, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, in hot steam
Under effect, the stretched film generates retraction, and then PTT the and PTT/PET composite fibre non-woven base cloth is driven to form present count
The fold of amount being transversely to the machine direction, the technological parameter of the heat-setting process are：Heat-setting time is 9min, and heat setting temperature is
108 DEG C, thermal finalization speed is 32m/min.
（3）It will be sent into hot-air oven by PTT the and PTT/PET composite fibre non-woven base cloth of the heat-setting process
The stretched film shunk on PTT the and PTT/PET composite fibre non-woven base cloth is divested, is extended by middle drying 4min
The operating temperature of the elastic force non-woven fabrics with fold that rate is 190%, the hot-air oven is 90 DEG C, for fixed by the heat
The width of each fold on PTT the and PTT/PET composite fibre non-woven base cloth of type process, the fold is 1.8mm, institute
The arranging density for stating fold is 24/5cm.
302, prepare gynecologic menstrual trousers：
（1）Use hydrophilic spun-bond nonwoven fabric cladding width 100mm, grammes per square metre 430g/m2Absorptive core, after glue spraying with guide layer
Compound rolling is carried out, the absorptive core for coating hydrophilic spun-bond nonwoven fabric is cut into molding；
（2）Counterdie is unreeled, glue spraying, then non-woven fabric compounded with bottom, forms counterdie compound nonwoven cloth；
（3）Water repellent SMS non-woven fabrics and leg elastic silk are subjected to glue spraying cladding, form water repellent SMS non-woven fabric solid encirclements；
（4）By the elastic force non-woven fabrics cut into width be 860cm specification, by after cutting the elastic force non-woven fabrics with it is described
Counterdie compound nonwoven cloth, the water repellent SMS non-woven fabric solids encirclement, surface material carry out cladding suture, by compound rolling, divide
After cutting, folding stacking, counts and packed into bag, obtain menstrual period underpants finished product.
Embodiment 4
401, prepare elastic force non-woven fabrics：
A. the selection of raw material：
Select ptt fiber, fibre fineness 3D, length 51mm；It is that core shift type PTT/PET two-components are fine to select fibre structure
Dimension, core shift ratio are 7:3, fibre fineness 3D, length 51mm.
B. it pre-processes：
Ptt fiber and PTT/PET bicomponent fibers are mixed to get PTT and PTT/PET composite fibre, the PTT and PTT/PET
The proportioning of ptt fiber and PTT/PET bicomponent fibers is 50% in composite fibre：50%, it is fine to the PTT and PTT/PET mixing
Dimension sprinkling liquid antistatic, and PTT the and PTT/PET composite fibre after sprinkling is stood into 6h, make the PTT and PTT/PET
The regain of composite fibre reaches 10.2%, wherein the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is
10%:94%, the antistatic softening agent is nonionic.
C. non-woven fabrics base fabric is prepared：
（1）PTT the and PTT/PET composite fibre after standing is subjected to thick shredding, smart shredding, combing and cross lapping work
Sequence obtains PTT and PTT/PET composite fibre nets, wherein the technological parameter of the shredding carding step is：Plucker roller linear velocity
Respectively 730m/min, 850 m/min, 950 m/min；Main cylinder speed is 920 m/min, and cylinder is with working roll speed ratio
13.5：1, the cross lapping number of plies is 4 layers, and drafting multiple is 2.10 times.
（2）PTT the and PTT/PET composite fibre net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein institute
Stating the technological parameter that spun lacing is reinforced is：Spun lacing pressure is respectively 35bar, 90bar, 120bar.
（3）PTT the and PTT/PET composite fibre net for reinforcing process by the spun lacing is sent into drying chamber and is dried
Dry process, it is 65g/m to obtain grammes per square metre2, thickness is 75 μm, PTT the and PTT/PET composite fibre nonwovens that longitudinal preshrinking rate is 40%
PTT the and PTT/PET composite fibre non-woven base cloth is cut into the specification that width is 1.5m, wherein the drying work by base fabric
The technological parameter of sequence is：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, every group of baking
The quantity of dry drum is 6, and the temperature control of each drying roller is at 130 DEG C, and it is 135 DEG C that cylinder hot wind, which penetrates temperature, hot wind
Boiler pressure control is penetrated in 80000m3/ h, drying rate 50m/min.
D. shrink process：
Shrink process is carried out using stretched film, the stretched film is LLDPE film, and thickness 0.065mm, longitudinal tensile strength is
35MPa, transverse tensile strength 30MPa, when extensibility is 400%, the surface viscosity of the stretched film is the stretched film
2.8N。
（1）The stretched film that width is 2m is stretched 360% along entire breadth direction, the stretched film after stretching is tiled
On PTT the and PTT/PET composite fibre non-woven base cloth after cutting, then will be after stretching using the hot roll rolled a little is carried
The stretched film is gently fixed on PTT the and PTT/PET composite fibre non-woven base cloth after cutting, the technique ginseng of light fixed flow
Number is：The hot rolling roll temperature control is at 115 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT and PTT/
Nothing rolls an area in PET composite fibre non-woven base cloths：Have roll an area be 80：1.
（2）PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film is sent into guide roll type steam
Heat-setting process is carried out in forming machine, PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film passes through
After the preheating of hot steam dewing, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, in hot steam
Under effect, the stretched film generates retraction, and then PTT the and PTT/PET composite fibre non-woven base cloth is driven to form present count
The fold of amount being transversely to the machine direction, the technological parameter of the heat-setting process are：Heat-setting time is 10min, heat setting temperature
It it is 110 DEG C, thermal finalization speed is 38m/min.
（3）It will be sent into hot-air oven by PTT the and PTT/PET composite fibre non-woven base cloth of the heat-setting process
The stretched film shunk on PTT the and PTT/PET composite fibre non-woven base cloth is divested, is extended by middle drying 6min
The operating temperature of the elastic force non-woven fabrics with fold that rate is 180%, the hot-air oven is 95 DEG C, for fixed by the heat
The width of each fold on PTT the and PTT/PET composite fibre non-woven base cloth of type process, the fold is 2.2mm, institute
The arranging density for stating fold is 22/5cm.
402, prepare gynecologic menstrual trousers：
（1）Use hydrophilic spun-bond nonwoven fabric cladding 100mm, grammes per square metre 430g/m2Absorptive core after to carry out guide layer glue spraying multiple
Combined pressure is real, and the absorptive core for coating hydrophilic spun-bond nonwoven fabric is cut molding；
（2）Counterdie is unreeled, glue spraying, then non-woven fabric compounded with bottom, forms counterdie compound nonwoven cloth；；
（3）Water repellent SMS non-woven fabrics and leg elastic silk are subjected to glue spraying cladding, form water repellent SMS non-woven fabric solid encirclements；
（4）By the elastic force non-woven fabrics cut into width be 860cm specification, by after cutting the elastic force non-woven fabrics with it is described
Counterdie compound nonwoven cloth, the water repellent SMS non-woven fabric solids encirclement, surface material carry out cladding suture, by compound rolling, divide
After cutting, folding stacking, counts and packed into bag, obtain menstrual period underpants finished product.
To the elastic elongation of the elastic force non-woven fabrics at the underpants for woman in period entire elastic force waistline position prepared by above-described embodiment 2-4
Rate, gas permeability, penetrability, pliability, thickness are tested, and the results are shown in Table 1.Wherein used test method is such as
Under：
（1）Thickness
Using YG（B）141D type digital textile thickness gauge thickness, test method are executed according to GB/T3820-1997 standards.
（2）Vapor transfer rate
Using LCK-131 fabric moisture transmission amount analyzers, tested according to standard GB/T 12704.2-2009.
（3）Gas permeability
Using YG461D digital textile air permeation volume gauges, test method is executed according to GB/T5453-1997 standards.
（4）Flexibility：
It is tested using the crooked test instrument FB2 in KES-F Fabric Style instrument systems, it is soft using bending stiffness as base fabric is weighed
Soft index, bending stiffness is smaller, and base fabric is more soft.Size of sample is 200mm × 200mm.
（5）Elastic extension
It is strong using YG026H-50 electronic fabrics by the rectangle cloth specimen that elastic force non-woven fabrics is cut into width 5cm, length is 10cm
Power machine is stretched according to the test method of GB/T453-2002 standards, after keeping 30min, tests the length of rectangle cloth specimen, then bullet
Property elongation is：（Length-unstretched length after cloth specimen stretches）/ unstretched length * 100%.
Table 1：The test result of elastic force non-woven fabrics performance
As it can be seen from table 1 the elastic force non-woven fabrics at underpants for woman in period entire elastic force waistline position prepared by embodiment 2-4 gas permeability,
Baby underpants for woman in period elastic force waistline of the aspect of performance such as penetrability, pliability and thickness all than selling currently on the market is had outstanding performance,
It can also compare favourably with it in terms of elastic property, main cause is the reason for using single layer spunlace non-woven cloth as base material, is saved
It goes to carry out glue spraying Compound Machining on urine pants machine, grammes per square metre is light, without any chemical addition, reduces integral device investment, shortens and add
Work flow, energy-saving, actually a environmental type product；The elastic force non-woven fabrics is used for the waistline position of underpants for woman in period,
Keep underpants for woman in period larger to the pressure stress surface of women abdomen, stress is more uniformly distributed, and can avoid the compressing to menstruating women abdomen, together
When, the processing technology of the underpants for woman in period is simple, and processing cost is relatively low, is suitable for sustainable production.
Although having used general explanation, specific implementation mode and experiment above, the present invention is described in detail,
But on the basis of the present invention, can it be modified or be improved, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Those skilled in the art will readily occur to the other of the present invention after considering the invention of specification and practice here
Embodiment.The present invention is directed to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Adaptive change follow the general principle of the present invention and include the undocumented common knowledge in the art of the present invention or
Conventional techniques.It should be understood that the invention is not limited in the accurate knots for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.
Claims (7)
1. a kind of preparation method of underpants for woman in period, which is characterized in that the method includes：
Ptt fiber and PTT/PET bicomponent fibers are mixed to get PTT and PTT/PET composite fibre, the PTT and PTT/PET
The proportioning of ptt fiber and PTT/PET bicomponent fibers is 50-70% in composite fibre：30-50%, to the PTT and PTT/PET
Composite fibre spray liquid antistatic, and by after sprinkling PTT the and PTT/PET composite fibre stand 4-6h, make the PTT and
The regain of PTT/PET composite fibre reaches 8.1-10.2%, wherein the proportioning of each ingredient is antistatic in the liquid antistatic
Softening agent：Water is 6-10%:90-94%, the antistatic softening agent are nonionic；
PTT the and PTT/PET composite fibre after standing is subjected to thick shredding, smart shredding, combing and cross lapping process, is obtained
To PTT and PTT/PET composite fibre nets, wherein the technological parameter of the shredding carding step is：Plucker roller linear velocity is respectively
550-730m/min、750-850 m/min、900-950 m/min；Main cylinder speed is 700-920 m/min, cylinder and work
Roller speed ratio is 10.1-13.5：1, the cross lapping number of plies is layer 2-4, and drafting multiple is 1.45-2.10 times；
PTT the and PTT/PET composite fibre net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein the spun lacing adds
Solid technological parameter be：Spun lacing pressure is respectively 15-35bar, 68-90bar, 100-120bar；
PTT the and PTT/PET composite fibre net for reinforcing process by the spun lacing is sent into drying chamber and carries out baking operation,
It is 50-65g/m to obtain grammes per square metre2, thickness is 66.1-75 μm, and longitudinal preshrinking rate is PTT the and PTT/PET composite fibre of 40-65%
PTT the and PTT/PET composite fibre non-woven base cloth is cut into the specification that width is 1.5m, wherein the baking by non-woven base cloth
The technological parameter of dry process is：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, often
The quantity of group drying roller is 6, and the temperature of each drying roller is controlled at 108-130 DEG C, and cylinder hot wind penetrates temperature and is
120-135 DEG C, hot wind penetrates Boiler pressure control in 70000-80000m3/ h, drying rate 40-50m/min；
The stretched film that width is 2m is stretched into 360-390% along entire breadth direction, the stretched film after stretching is laid in point
On PTT the and PTT/PET composite fibre non-woven base cloth after cutting, then using with roll hot roll a little will be described in after stretching
Stretched film is gently fixed on PTT the and PTT/PET composite fibre non-woven base cloth after cutting, the technological parameter of light fixed flow
For：The hot rolling roll temperature control is at 105-115 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT and PTT/
Nothing rolls an area in PET composite fibre non-woven base cloths：Have roll an area be 80：1；
PTT the and PTT/PET composite fibre non-woven base cloth for being fixed with the stretched film is sent into guide roll type steam forming machine
Interior carry out heat-setting process is fixed with PTT the and PTT/PET composite fibre non-woven base cloth of the stretched film through superheated steam
After dewing preheating, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, under hot steam effect,
The stretched film generates retraction, and then PTT the and PTT/PET composite fibre non-woven base cloth is driven to form the vertical of preset quantity
In longitudinal fold, the technological parameter of the heat-setting process is：Heat-setting time is 8-10min, heat setting temperature 105-
110 DEG C, thermal finalization speed is 22-38m/min；
It is dried being sent into hot-air oven by PTT the and PTT/PET composite fibre non-woven base cloth of the heat-setting process
3-6min divests the stretched film shunk on PTT the and PTT/PET composite fibre non-woven base cloth, and obtaining elongation is
The operating temperature of the elastic force non-woven fabrics with fold of 180-200%, the hot-air oven is 85-95 DEG C；
The elastic force non-woven fabrics and counterdie compound nonwoven cloth, water repellent SMS non-woven fabric solids encirclement and surface material are prepared jointly
Menstrual period underpants finished product is obtained, the elastic force non-woven fabrics is located at the entire waistline position of the underpants for woman in period.
2. according to the method described in claim 1, it is characterized in that, described by the elastic force non-woven fabrics and counterdie composite non woven
Menstrual period underpants finished product is prepared in cloth, water repellent SMS non-woven fabric solids encirclement and surface material jointly, including：
Use hydrophilic spun-bond nonwoven fabric cladding width 100mm, grammes per square metre 430g/m2Absorptive core, carried out with guide layer after glue spraying
The absorptive core for coating hydrophilic spun-bond nonwoven fabric is cut molding by compound rolling；Counterdie is unreeled, glue spraying, then with bottom
It is non-woven fabric compounded, form counterdie compound nonwoven cloth；
Water repellent SMS non-woven fabrics and leg elastic silk are subjected to glue spraying cladding, form water repellent SMS non-woven fabric solid encirclements；
The elastic force non-woven fabrics is cut into the specification that width is 860cm, by the elastic force non-woven fabrics and the bottom after cutting
Film compound nonwoven cloth, the water repellent SMS non-woven fabric solids encirclement, surface material carry out cladding suture, by compound rolling, divide
After cutting, folding stacking, counts and packed into bag, obtain menstrual period underpants finished product.
3. according to the method described in claim 1, it is characterized in that, the fibre fineness of the ptt fiber is 1.5-3D, fiber is long
Degree is 38-51mm, and the fibre structure of the PTT/PET bicomponent fibers is core shift type, and core shift ratio is 7:3, fibre fineness 2-
3D, fibre length 40-51mm.
4. according to the method described in claim 1, it is characterized in that, the stretched film be LLDPE film, thickness 0.055-
0.065mm, longitudinal tensile strength 30-35MPa, transverse tensile strength 25-30MPa.
5. according to the method described in claim 4, it is characterized in that, the stretched film extensibility be 350-400% when, it is described
The surface viscosity of stretched film is 3.1-2.8N.
6. according to the method described in claim 1, it is characterized in that, for by the heat-setting process the PTT and
The width of each fold on PTT/PET composite fibre non-woven base cloths, the fold is 1.2-2.2mm, the arrangement of the fold
Density is 22-27 items/5cm.
7. a kind of underpants for woman in period, which is characterized in that the underpants for woman in period by any underpants for woman in period of claim 1-6 preparation method
It is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267101.3A CN108652832B (en) | 2018-03-28 | 2018-03-28 | Menstrual pants and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810267101.3A CN108652832B (en) | 2018-03-28 | 2018-03-28 | Menstrual pants and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108652832A true CN108652832A (en) | 2018-10-16 |
| CN108652832B CN108652832B (en) | 2020-11-24 |
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| CN109549785A (en) * | 2018-12-06 | 2019-04-02 | 张波 | A kind of paper diaper and its subregion are glued manufacture craft |
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| CN108652832B (en) | 2020-11-24 |
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