CN108456996A - A kind of walk-exercising trousers and preparation method thereof - Google Patents
A kind of walk-exercising trousers and preparation method thereof Download PDFInfo
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- CN108456996A CN108456996A CN201810265956.2A CN201810265956A CN108456996A CN 108456996 A CN108456996 A CN 108456996A CN 201810265956 A CN201810265956 A CN 201810265956A CN 108456996 A CN108456996 A CN 108456996A
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- 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
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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
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
-
- 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
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- 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
- D04H1/492—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 by fluid jet
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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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
- A61F2013/15008—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use
- A61F2013/15146—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use for urine collection
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of walk-exercising trousers and preparation method thereof, are related to disposable sanitary product technical field.Walk-exercising trousers provided by the invention and preparation method thereof,Pass through the selection of PTT/PET bicomponent fibers,The adjustment of shredding combing and spun lacing reinforcement process,The selection of special contraction and Bu Tong elastic contracting pleat technique,The elastic force non-woven fabrics being prepared has the elasticity characteristics for tightening lower pine,Also there is the good flexibility of spunlace non-woven cloth simultaneously,Comfortable ventilating,With better safety,The tight pleat elastic anchor of the elastic force non-woven fabrics is directed to the waist of walk-exercising trousers,Loose pleat elastic anchor is directed to the abdomen of walk-exercising trousers,The elastic force non-woven fabrics for tightening lower pine constitutes walk-exercising trousers entire ring waistline position,Compare the use that traditional walk-exercising trousers eliminate rubber band,The walk-exercising trousers being prepared are more uniform to the elastic force of babies,While so that walk-exercising trousers have stronger docile and obedient property,Avoid the local pressure effect excessive to baby's waistline of elastic silk when baby crawling is learnt to walk,It is more suitable for baby walking.
Description
Technical field
The present invention relates to disposable sanitary product technical field, more particularly to a kind of walk-exercising trousers and preparation method thereof.
Background technology
Walk-exercising trousers also known as draw trousers and training pants, mainly school-age children are trained to make when creeping or on foot
With additionally training baby in the case that conscious, can learn oneself to wear trousers and de- trousers.
Walk-exercising trousers are mainly used for anti-urine, this requires walk-exercising trousers to have simultaneously while having the function of usual panty
Good absorption and drip-preventing function, and be easy to dress, portable propelling, can help mother to mitigate tired, allow baby easily
Learn walking.However the integral loop waistline of the walk-exercising trousers of commercial type is all by inner layer, outer layer non-woven fabrics and intermediate elastic now
Silk（Generally there are 14-15 root elastic silks）It constitutes, this three layers are combined by spraying melt viscosity, and this elastic waistline is due to having
More than ten elastic silk composition, contractility is especially strong, and baby can experience elastic silk larger pressure to be administered when wearing, especially
It is for fat baby, pressure bigger caused by elastic silk often strangles out a lot of elastic on the tender skin of baby
Trace, and this elastic waistline is compound using three layers, comfortable ventilating is also excessively poor.
Data in terms of the existing elastic force ring waist for being related to walk-exercising trousers has：
Patent CN201520559508.5 provides a kind of novel drawing drawing trousers, including front waist, rear waist and compound diaper, compound
Diaper is set to the crotch point between front waist and rear waist, and the front waist and rear waist are equipped with waistline elastic, each waistline
The waistline elastic of the spaced setting of elastic, the front waist includes waistline elastic in the first outer waistline elastic and first, described
First outer waistline elastic has a 10-20 roots, and waistline elastic has 3-8 roots and close to crotch point in described first, the rear waist
Waistline elastic includes waistline elastic in the second outer waistline elastic and second, and the second outer waistline elastic has a 8-12 roots, and described the
Waistline elastic has 4-10 roots in two and close to crotch point, the waistline elastic of the patent can be dynamic according to the body that infant often has
Make, will it is tight outside the elastic of front waist in pine, comfortable ventilating, tight in the outer pine of elastic of rear waist, fitting waist plays preferably anti-
Leak effect.
Patent CN201620134267.4 is related to a kind of novel drawing drawing trousers, including draws trousers ontology, is set to and draws drawing trousers ontology
On elastic waistline, the elastic waistline includes internal layer non-woven fabrics, outer layer non-woven fabrics, is located in internal layer non-woven fabrics and outer layer nonwoven
Plural elastic between cloth, each elastic are evenly spaced on setting, uniformly divide on the elastic waistline in the width direction
It is equipped with plurality of through holes to cloth.
Patent CN201310120744.2 proposes a kind of Leak-proof pull-up diaper with multilayer core body, including elastic waistline and water suction crotch
Portion is provided with absorptive core in the crotch that absorbs water, and further includes that the elastic hip being integrally formed with elastic waistline encloses, elastic hip encloses and bullet
Property waistline form the tubular construction of elasticity, be provided with layer by layer connected multilayer core in the crotch that absorbs water, it is more in the multilayer core
Layer absorber and the mutually embedding plant of fibrous structure plies are provided with waterproof panel in the both sides for the crotch that absorbs water, waterproof panel respectively with interior bottom
The both sides peripheral part of face layer and leakproof care layer is bonding and forms the twice leakage-proof socket with constricted fold, has elastic good, baby
More convenient, the free feature of children's activity.
Patent CN201220376913.X proposes that pants type paper diaper are drawn in a kind of novel drawing, includes with corresponding human body Attacking Midfielder
Frontal cowl, the corresponding preceding hip of human body preceding hip enclose the rear hip of hip after portion, the rear waist portion of corresponding human body low back and corresponding human body and enclose
The diaper body in portion, frontal cowl, preceding hip enclose portion, rear waist portion and rear hip enclose portion be laid with respectively it is multiple along human body waist
Circumferentially elastic lines arranged side by side.After adopting the above technical scheme, the patent frontal cowl and rear waist portion can be formed completely
Waistline, preceding hip, which encloses portion, and rear hip encloses portion can form complete hip and enclose, and all be laid with elastic lines, i.e., elastic lines are covered with
In the entire surface in above-mentioned each portion, have comprehensively elasticity and can snug fit human body shape and action, make the users' such as baby
Dress is more fit and comfortable, and the elasticity of elastic lines can achieve the convenient of similar small underpants and wear off mode, practicality
Property is strong.
Patent CN201420248887.1 discloses a kind of drawing and draws trousers, include with corresponding to human body Attacking Midfielder frontal cowl,
Rear waist portion corresponding to human body low back, the preceding hip corresponding to the preceding hip of human body enclose portion and enclose portion corresponding to the rear hip of hip after human body
Diaper ontology, and it is separately positioned on frontal cowl and the elastic waistline on rear waist portion, if the elastic waistline is by dry elasticity
Lines are formed with cross network structure composite, this elastic net structure, compared to traditional belt waistline or parallel line shaped
Structure can make the power distribution of tying tight to human body waist more uniformly reasonable when wearing, be conducive to protect the tender flesh of infant
Skin.
It is mainly by elastic silk from the elasticity that can be seen that in above-mentioned data in existing baby pants for walk learning elastic force waistline
Elasticity realizes, the variation referred in data be the thickness of elastic silk change, use radical, elastic silk clad thickness
Deng since the function of walk-exercising trousers learns walking phase for baby, the design of elastic silk makes baby when learning to walk, learn to walk
The tiny elastic silk of trousers waist portion generates the stronger pressure in part to baby's waistline, and its easily causes the discomfort of baby, influences
The enthusiasm of learning to walk of baby, and the breathable moisture permeability of such walk-exercising trousers is usually poor, comfort is poor.
Invention content
In view of the above-mentioned problems existing in the prior art, the present invention provides a kind of walk-exercising trousers and preparation method thereof.
The first aspect according to the ... of the embodiment of the present invention provides a kind of preparation method of walk-exercising trousers, the method includes：
Using PTT/PET bicomponent fibers as raw material, liquid antistatic is sprayed to the PTT/PET bicomponent fibers, and will spray
The PTT/PET bicomponent fibers after spilling stand 4h, and the regain of the PTT/PET bicomponent fibers is made to reach 7.5-
9.8%, wherein the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is 4-8%:92-96%, it is described antistatic
Softening agent is nonionic；
The PTT/PET bicomponent fibers after standing are subjected to thick shredding, smart shredding and comb networking process, obtain loose structure
PTT/PET bicomponent fibers nets, wherein the thick shredding, smart shredding and comb the technological parameter of networking process and include：Shredding
Roller linear velocity is respectively 510-680m/min, 690-810 m/min, 880-910 m/min；Main cylinder speed is 680-890 m/
Min, cylinder are 9.1-10.5 with working roll speed ratio：1；
The PTT/PET bicomponent fibers net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein the spun lacing is reinforced
Technological parameter be：Spun lacing pressure is respectively 20-40bar, 70-90bar, 100-120bar；
The PTT/PET bicomponent fibers net for reinforcing process by the spun lacing is sent into drying chamber and carries out baking operation, is obtained
It is 38.5-45g/m to grammes per square metre2, thickness is 55.5-65 μm, and longitudinal preshrinking rate is the PTT/PET bicomponent fibers nonwovens of 50-75%
The PTT/PET bicomponent fibers non-woven base cloth is cut into the specification that width is 1.5m, wherein the baking operation by base fabric
Technological parameter be：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, every group of drying
The quantity of roller is 4, and at 105-120 DEG C, it is 120-140 that cylinder hot wind, which penetrates temperature, for the temperature control of each drying roller
DEG C, hot wind penetrates Boiler pressure control in 65000-78000m3/ h, drying rate 40-50m/min；
By width be 1m stretched film along entire breadth direction stretch 375-400%, while by width be 1.5m stretched film along whole
A breadth direction stretches 350-370%, the stretched film of different stretch ratio is laid in along longitudinal direction respectively after cutting described in
On PTT/PET bicomponent fibers non-woven base cloths, then uses and gently fix the stretched film after stretching with the hot roll rolled a little
The PTT/PET bicomponent fibers non-woven base cloth after cutting, the light technological parameter for fixing flow are：The hot rolling roll temperature
Control is at 100-110 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT/PET bicomponent fibers non-woven base cloth
Middle nothing rolls an area：Have roll an area be 95：1；
Will be fixed with the stretched film the PTT/PET bicomponent fibers non-woven base cloth be sent into guide roll type steam forming machine in into
Row heat-setting process, the PTT/PET bicomponent fibers non-woven base cloth for being fixed with the stretched film are pre- through superheated steam dewing
After heat, 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 drawing
It stretches film and generates retraction, and then the PTT/PET bicomponent fibers non-woven base cloth is driven to form being transversely to the machine direction for preset quantity
The technological parameter of fold, the heat-setting process is：Heat-setting time is 5-10min, and heat setting temperature is 100-103 DEG C, heat
Sizing speed is 25-42m/min；
2- is dried by being sent into hot-air oven by the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process
4min divests the stretched film shunk on the PTT/PET bicomponent fibers non-woven base cloth, and obtaining elongation is respectively
The operating temperature of the elastic force non-woven fabrics with fold of 230-250% and 210-225%, the hot-air oven is 80-90 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
Underpants finished product of learning to walk is obtained, the elastic force non-woven fabrics is located at the entire ring waistline position of the walk-exercising trousers.
In a preferred embodiment, described by the elastic force non-woven fabrics and counterdie compound nonwoven cloth, water repellent SMS nonwovens
Underpants finished product of learning to walk is prepared in cloth three-dimensional shield and surface material jointly, including：
Hydrophilic spun-bond nonwoven fabric cladding width 90mm, grammes per square metre 380g/m are used first2Compound core body, after glue spraying with guide layer into
Row compound rolling, then will coat hydrophilic spun-bond nonwoven fabric the compound core body cutting molding, counterdie glue spraying processing after 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 660cm, 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 underpants finished product of learning to walk.
In a preferred embodiment, the fibre structure of the PTT/PET bicomponent fibers is core shift type, and core shift ratio is
6:4, fibre fineness 2-3D, fibre length 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 3.2-2.8N.
In a preferred embodiment, for by the heat-setting process the PTT/PET bicomponent fibers without
Each fold in base fabric is spun, the width of the fold is respectively 0.8-1.0mm and 1.0-1.5mm, and the arrangement of the fold is close
Degree is respectively 28-30 items/5cm and 25-28 items/5cm.
The second aspect according to the ... of the embodiment of the present invention provides a kind of walk-exercising trousers, which is characterized in that the walk-exercising trousers are by upper
The preparation method for stating any walk-exercising trousers is prepared.
Compared with prior art, a kind of walk-exercising trousers provided by the invention and preparation method thereof have the following advantages：
First, it is environmentally protective.The present invention does the whole waistline of baby pants for walk learning using single layer elastic force non-woven fabrics, the elastic force in production
Non-woven fabrics is sent on urine pants machine directly from the external rack of urine pants machine and is produced, save original inner layer hot-wind nonwoven cloth,
Three layers of glue spraying compound working procedure of intermediate elastic silk and outer layer hot-wind nonwoven cloth, save be respectively used to put beside urine pants machines inner spunbond without
Two external racks of woven fabric and intermediate elastic silk save the heat exclusively for waist elastic silk and the outfit of clad spun-bonded non-woven fabrics
Melten gel glue cylinder（For melting hot melt adhesive）, and then equipment investment is reduced, production process is reduced, reduces the use of raw material, finally
Equipment investment and production cost are reduced, green low-carbon product is fully belonged to.
Second, comfortable ventilating is good.The elastic force ring waist of existing baby walking trousers is by inner layer hot-wind nonwoven cloth, intermediate elastic
Three layers of silk and outer layer hot-wind nonwoven cloth by spraying elastic glue and non-woven fabrics respectively on elastic silk and innner and outer layer hot-wind nonwoven cloth
Hot melt adhesive and it is glued together, wherein intermediate elastic silk is made of 14-15 roots, there are infant's lumbar pressure is given when wearing
Greatly, it is easy to strangle out the problems such as red seal, poor air permeability, inner layer hot-wind nonwoven cloth are also easy to produce strike-through on the skin；And the bullet of the present invention
Power non-woven fabrics belongs to single layer structure, and raw base substrate is actually PET/PTT bicomponent fibers spunlace non-woven cloths, have it is soft,
The good feature of comfortable ventilating, and the chemical assistant without any external addition, have better safe and healthy property.In addition
For the feature that infant's abdomen is larger, it is the form that tight pleat lower part is loose pleat, elastic force that the elastic force of non-woven fabrics, which is processed into top,
Tight pleat part elastic force is more than loose pleat in non-woven fabrics, and tight pleat elastic force non-woven fabrics is made to be directed to walk-exercising trousers waist, loose pleat elastic force non-woven fabrics needle
To abdomen, it is ensured that walk-exercising trousers waist elastic force is not easy to slide, while the more loose elastic force of abdomen does not also strangle people, is more in line with babies
The characteristics of top, comfort are good.
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：It is inclined using PTT/PET
Core pattern bicomponent fibers be raw material, wherein the scientific name of PTT be polypropylene terephthalate, be in polyester family it is new at
There is member lower initial modulus, elasticity to be better than polyamide fibre, be less than spandex, since the three-dimensional for itself having intrinsic stretches
Elasticity recovery and applied in the market in elastic dress more and more, PTT/PET bicomponent fibers of the invention use partially in addition
The structure design of core pattern, under steam-heated effect, PTT components side has than PET component side in parallel composite fiber
The potential shrinking percentage of bigger.When heated, the big PTT components of shrinking percentage generate contraction, and the low PET component side of shrinking percentage by
To compression when the trend with stretching, extension, therefore single fiber entangled to each other in fibre web because the Impact direction and stress each put it is big
It is small different and curling and distortion occurs, make mutually to tangle closer between fiber, forms interlaced, clasp joint three-dimensional knot
Structure also increases the elasticity of PTT/PET bicomponent fibers non-woven fabrics base fabrics to a certain extent；2）The selection of special processing process：
When preparing PTT/PET bicomponent fibers non-woven base cloths, selected it is more comb beat less, the shredding of low speed, low draw ratio, combing and at
Network process is more conducive to form uniform web, while being reinforced using three spun lacings, to form the non-woven base cloth of loose structure, in spun lacing
Non-woven base cloth can be made to produce a certain proportion of retraction in baking operation, base is accomplished fluently for special shrinking process processing in next step
Plinth；3）The use of unique shrinking process：Pass through the stretching stretched to PET/PTT bicomponent fibers non-woven fabrics composite for base fabric
Film is sent into steam forming machine in the form of tension-free and carries out steam contraction processing, and under the action of hot steam, PTT/PET is bis-
Further retraction forms 3 D stereo curling to component fiber, while the internal stress gathered in the stretched film by pre-stretching is damp and hot
Under the action of further generate retraction, 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 are fully able to meet infant and are wearing off between 210-250%
Required elastic force requirement when walk-exercising trousers.
In conclusion walk-exercising trousers provided by the invention and preparation method thereof, by the selection of PTT/PET bicomponent fibers,
The adjustment of shredding combing and spun lacing reinforcement process, the selection of different elastic contracting pleat techniques, the elastic force non-woven fabrics being prepared have
The elasticity characteristics of lower pine are tightened, while also there is the good flexibility of spunlace non-woven cloth, comfortable ventilating, there is preferably safety
Property, the tight pleat elastic anchor of the elastic force non-woven fabrics is directed to the waist of walk-exercising trousers, and loose pleat elastic anchor is directed to the abdomen of walk-exercising trousers, on
The elastic force non-woven fabrics of tight lower pine constitutes walk-exercising trousers entire ring waistline position, compares the use that traditional walk-exercising trousers eliminate rubber band,
The walk-exercising trousers being prepared are more uniform to the elastic force of babies so that while walk-exercising trousers have stronger docile and obedient property, avoid
The local pressure effect to baby's waistline excessive of elastic silk, is more suitable for baby walking when baby crawling is learnt to walk.
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 walk-exercising trousers 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, it is sprayed to the PTT/PET bicomponent fibers antistatic as raw material using PTT/PET bicomponent fibers
Liquid, and the PTT/PET bicomponent fibers after sprinkling are stood into 4h, so that the regain of the PTT/PET bicomponent fibers is reached
To 7.5-9.8%, wherein the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is 4-8%:92-96%, it is described
Antistatic softening agent is nonionic.
Step 102, the PTT/PET bicomponent fibers after standing are subjected to thick shredding, smart shredding and comb networking work
Sequence obtains the PTT/PET bicomponent fibers nets of loose structure, wherein the thick shredding, smart shredding and the technique for combing networking process
Parameter includes：Plucker roller linear velocity is respectively 510-680m/min, 690-810 m/min, 880-910 m/min；Main cylinder speed
Degree is 680-890 m/min, and cylinder is 9.1-10.5 with working roll speed ratio：1.
Step 103, the PTT/PET bicomponent fibers net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein
The technological parameter that the spun lacing is reinforced is：Spun lacing pressure is respectively 20-40bar, 70-90bar, 100-120bar.
Step 104, the PTT/PET bicomponent fibers net that process is reinforced by the spun lacing is sent into drying chamber and is carried out
Baking operation, it is 38.5-45g/m to obtain grammes per square metre2, thickness is 55.5-65 μm, and longitudinal preshrinking rate is that the PTT/PET of 50-75% is bis-
The PTT/PET bicomponent fibers non-woven base cloth is cut into the specification that width is 1.5m by component fiber non-woven base cloth, wherein
The technological parameter of the baking operation is：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried
Dry, the quantity of every group of drying roller is 4, and the temperature of each drying roller is controlled at 105-120 DEG C, and cylinder hot wind penetrates temperature
It it is 120-140 DEG C, hot wind penetrates Boiler pressure control in 65000-78000m3/ h, drying rate 40-50m/min.
Step 105, the stretched film that width is 1m is stretched into 375-400% along entire breadth direction, while is 1.5m by width
Stretched film along entire breadth direction stretch 350-370%, the stretched film of different stretch ratio is laid in along longitudinal direction respectively
On the PTT/PET bicomponent fibers 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 the PTT/PET bicomponent fibers non-woven base cloth after cutting, and the technological parameter of light fixed flow is：Institute
The control of hot rolling roll temperature is stated at 100-110 DEG C, the hot rolling roller surface, which is rolled, is a little square fritter, the PTT/PET two-components
Nothing rolls an area in fiber non-woven base fabric：Have roll an area be 95：1.
Step 106, the PTT/PET bicomponent fibers non-woven base cloth for being fixed with the stretched film guide roll type is sent into steam
Heat-setting process is carried out in vapour forming machine, the PTT/PET bicomponent fibers 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 the PTT/PET bicomponent fibers non-woven base cloth is driven to form preset quantity
The technological parameter of the fold being transversely to the machine direction, the heat-setting process is：Heat-setting time is 5-10min, and heat setting temperature is
100-103 DEG C, thermal finalization speed is 25-42m/min.
Step 107, hot wind will be sent by the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process to dry
2-4min is dried in case, and the stretched film shunk on the PTT/PET bicomponent fibers non-woven base cloth is divested, is extended
Rate is respectively the elastic force non-woven fabrics with fold of 230-250% and 210-225%, and the operating temperature of the hot-air oven is 80-
90℃。
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
Underpants finished product of learning to walk is prepared in material jointly, and the elastic force non-woven fabrics is located at the entire waistline position of the walk-exercising trousers.
In a preferred embodiment, described by the elastic force non-woven fabrics and counterdie compound nonwoven cloth, water repellent SMS nonwovens
Underpants finished product of learning to walk is prepared in cloth three-dimensional shield and surface material jointly, including：
（1）Hydrophilic spun-bond nonwoven fabric cladding width 90mm, grammes per square metre 380g/m are used first2Compound core body, after glue spraying with water conservancy diversion
Layer carry out compound rolling, then will coat hydrophilic spun-bond nonwoven fabric the compound core body cutting molding, counterdie glue spraying processing after with
Bottom is non-woven fabric compounded, forms counterdie compound nonwoven cloth；
（2）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；
（3）By the elastic force non-woven fabrics cut into width be 660cm 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 underpants finished product of learning to walk.
In a preferred embodiment, the fibre structure of the PTT/PET bicomponent fibers is core shift type, and core shift ratio is
6:4, fibre fineness 2-3D, fibre length 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 3.2-2.8N.
In a preferred embodiment, for by the heat-setting process the PTT/PET bicomponent fibers without
Each fold in base fabric is spun, the width of the fold is respectively 0.8-1.0mm and 1.0-1.5mm, and the arrangement of the fold is close
Degree is respectively 28-30 items/5cm and 25-28 items/5cm.
In conclusion walk-exercising trousers provided by the invention and preparation method thereof, by the selection of PTT/PET bicomponent fibers,
The adjustment of shredding combing and spun lacing reinforcement process, the selection of special contraction and different proportion 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, the elastic force non-woven fabrics are set to the entire waistline position of walk-exercising trousers, compare the use that traditional walk-exercising trousers eliminate rubber band, make
Standby obtained walk-exercising trousers are more uniform to the elastic force of babies so that while walk-exercising trousers have stronger docile and obedient property, avoid
Elastic silk acts on the local pressure of baby's waistline when baby crawling is learnt to walk, and is more suitable for baby walking.
Walk-exercising trousers prepared by a kind of preparation method of the baby pants for walk learning provided in order to better illustrate the present invention, spy show
Go out a kind of schematic diagram of walk-exercising trousers provided in an embodiment of the present invention, as shown in Figure 1, wherein 1 is what elastic force non-woven fabrics integrally formed
Ring waist, the 2 walk-exercising trousers waists constituted for the tight pleat part in elastic force non-woven fabrics upper end, 3 are constituted for elastic force non-woven fabrics lower end pine pleat part
Walk-exercising trousers abdomen, 4 be water repellent SMS non-woven fabric solid encirclements, 5 be compound core body.
Embodiment 2
201, prepare elastic force non-woven fabrics：
A. the selection of raw material：
Selection fibre structure is core shift type PTT/PET bicomponent fibers, and core shift ratio is 6:4, fibre fineness 2D, length are
40mm。
B. it pre-processes：
Using PTT/PET bicomponent fibers as raw material, liquid antistatic is sprayed to the PTT/PET bicomponent fibers, and will spray
The PTT/PET bicomponent fibers after spilling stand 4h, and the regain of the PTT/PET bicomponent fibers is made to reach 7.5%,
In, the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is 4%:96%, the antistatic softening agent be it is non-from
Subtype.
C. non-woven fabrics base fabric is prepared：
（1）The PTT/PET bicomponent fibers after standing are subjected to thick shredding, smart shredding and comb networking process, obtain pine
The PTT/PET bicomponent fibers nets of structure, wherein the thick shredding, smart shredding and comb the technological parameter of networking process and include：
Plucker roller linear velocity is respectively 510-560 m/min, 690-730 m/min, 880-885 m/min；Main cylinder speed is 680-
730 m/min, cylinder are 9.1-9.4 with working roll speed ratio：1.
（2）The PTT/PET bicomponent fibers net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein the water
Piercing the technological parameter reinforced is：Spun lacing pressure is respectively 20-25 bar, 70-75bar, 100-105bar.
（3）The PTT/PET bicomponent fibers net for reinforcing process by the spun lacing is sent into drying chamber and is dried
Process, it is 38.5g/m to obtain grammes per square metre2, thickness be 55.5 μm, longitudinal preshrinking rate be 71-75% PTT/PET bicomponent fibers without
Base fabric is spun, the PTT/PET bicomponent fibers non-woven base cloth is cut into the specification that width is 1.5m, wherein the drying work
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 4, and at 105-108 DEG C, it is 120-125 that cylinder hot wind, which penetrates temperature, for the temperature control of each drying roller
DEG C, hot wind penetrates Boiler pressure control in 65000-68000m3/ h, drying rate 40-42m/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, the stretched film is when extensibility is respectively 370% and 400%, the table of the stretched film
Face viscosity is respectively 3.05N and 2.8N.
（1）The stretched film that width is 1m is stretched 400% along entire breadth direction, while being the stretched film of 1.5m by width
Along entire breadth direction stretch 370%, by the stretched film of different stretch ratio respectively be laid in along longitudinal direction cutting after described in
On PTT/PET bicomponent fibers non-woven base cloths, then uses and gently fix the stretched film after stretching with the hot roll rolled a little
The PTT/PET bicomponent fibers non-woven base cloth after cutting, the light technological parameter for fixing flow are：The hot rolling roll temperature
Control is at 100-103 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT/PET bicomponent fibers non-woven base cloth
Middle nothing rolls an area：Have roll an area be 95：1.
（2）The PTT/PET bicomponent fibers non-woven base cloth for being fixed with stretched film feeding guide roll type steam is determined
Heat-setting process is carried out in type machine, the PTT/PET bicomponent fibers non-woven base cloth for being fixed with the stretched film is steamed through overheat
After the preheating of vapour dewing, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, are acted in hot steam
Under, the stretched film generates retraction, and then the PTT/PET bicomponent fibers 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 5-6min, and heat setting temperature is 100 DEG C,
Thermal finalization speed is 36-42m/min.
（3）It will be sent into hot-air oven by the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process
2-3min is dried, the stretched film shunk on the PTT/PET bicomponent fibers non-woven base cloth is divested, obtains elongation point
Not Wei 225% and 250% the elastic force non-woven fabrics with fold, the operating temperature of the hot-air oven is 80-82 DEG C, for passing through
Each fold on the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process, the width difference of the fold
Arranging density for 0.8mm and 1.0mm, the fold is 30/5cm and 28/5cm.
202, prepare baby pants for walk learning：
（1）Hydrophilic spun-bond nonwoven fabric cladding width 90mm, grammes per square metre 380g/m are used first2Compound core body, after glue spraying with water conservancy diversion
Layer carry out compound rolling, then will coat hydrophilic spun-bond nonwoven fabric the compound core body cutting molding, counterdie glue spraying processing after with
Bottom is non-woven fabric compounded, forms counterdie compound nonwoven cloth；
（2）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；
（3）By the elastic force non-woven fabrics cut into width be 660cm 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 underpants finished product of learning to walk.
Embodiment 3
301, prepare elastic force non-woven fabrics：
A. the selection of raw material：
Selection fibre structure is core shift type PTT/PET bicomponent fibers, and core shift ratio is 6:4, fibre fineness 2D, length are
40mm。
B. it pre-processes：
Using PTT/PET bicomponent fibers as raw material, liquid antistatic is sprayed to the PTT/PET bicomponent fibers, and will spray
The PTT/PET bicomponent fibers after spilling stand 4h, and the regain of the PTT/PET bicomponent fibers is made to reach 8.2%,
In, the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is 6%:94%, the antistatic softening agent be it is non-from
Subtype.
C. non-woven fabrics base fabric is prepared：
（1）The PTT/PET bicomponent fibers after standing are subjected to thick shredding, smart shredding and comb networking process, obtain pine
The PTT/PET bicomponent fibers nets of structure, wherein the thick shredding, smart shredding and comb the technological parameter of networking process and include：
Plucker roller linear velocity is respectively 570-620m/min, 740-780 m/min, 886-895 m/min；Main cylinder speed is 740-
800m/min, cylinder are 9.5-10 with working roll speed ratio：1.
（2）The PTT/PET bicomponent fibers net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein the water
Piercing the technological parameter reinforced is：Spun lacing pressure is respectively 26-32 bar, 76-82bar, 106-112bar.
（3）The PTT/PET bicomponent fibers net for reinforcing process by the spun lacing is sent into drying chamber and is dried
Process, it is 41.5g/m to obtain grammes per square metre2, thickness be 60.1 μm, longitudinal preshrinking rate be 56-70% PTT/PET bicomponent fibers without
Base fabric is spun, the PTT/PET bicomponent fibers non-woven base cloth is cut into the specification that width is 1.5m, wherein the drying work
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 4, and at 109-113 DEG C, it is 126-132 that cylinder hot wind, which penetrates temperature, for the temperature control of each drying roller
DEG C, hot wind penetrates Boiler pressure control in 69000-71000m3/ h, drying rate 43-46m/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
32MPa, transverse tensile strength 28MPa, the stretched film is when extensibility is respectively 360% and 380%, the table of the stretched film
Face viscosity is respectively 3.12N and 3N.
（1）The stretched film that width is 1m is stretched 380% along entire breadth direction, while being the stretched film of 1.5m by width
Along entire breadth direction stretch 360%, by the stretched film of different stretch ratio respectively be laid in along longitudinal direction cutting after described in
On PTT/PET bicomponent fibers non-woven base cloths, then uses and gently fix the stretched film after stretching with the hot roll rolled a little
The PTT/PET bicomponent fibers non-woven base cloth after cutting, the light technological parameter for fixing flow are：The hot rolling roll temperature
Control is at 104-106 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT/PET bicomponent fibers non-woven base cloth
Middle nothing rolls an area：Have roll an area be 95：1.
（2）The PTT/PET bicomponent fibers non-woven base cloth for being fixed with stretched film feeding guide roll type steam is determined
Heat-setting process is carried out in type machine, the PTT/PET bicomponent fibers non-woven base cloth for being fixed with the stretched film is steamed through overheat
After the preheating of vapour dewing, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, are acted in hot steam
Under, the stretched film generates retraction, and then the PTT/PET bicomponent fibers 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 7-8min, and heat setting temperature is 102 DEG C,
Thermal finalization speed is 30-35m/min.
（3）It will be sent into hot-air oven by the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process
2-3min is dried, the stretched film shunk on the PTT/PET bicomponent fibers non-woven base cloth is divested, obtaining elongation is
The operating temperature of the 220% and 240% elastic force non-woven fabrics with fold, the hot-air oven is 83-86 DEG C, described in process
Each fold on the PTT/PET bicomponent fibers non-woven base cloth of heat-setting process, the width of the fold are respectively
The arranging density of 0.9mm and 1.2mm, the fold are respectively 27/5cm and 29/5cm.
302, prepare baby pants for walk learning：
（1）Hydrophilic spun-bond nonwoven fabric cladding width 90mm, grammes per square metre 380g/m are used first2Compound core body, after glue spraying with water conservancy diversion
Layer carry out compound rolling, then will coat hydrophilic spun-bond nonwoven fabric the compound core body cutting molding, counterdie glue spraying processing after with
Bottom is non-woven fabric compounded, forms counterdie compound nonwoven cloth；
（2）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；
（3）By the elastic force non-woven fabrics cut into width be 660cm 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 underpants finished product of learning to walk.
Embodiment 4
401, prepare elastic force non-woven fabrics：
A. the selection of raw material：
Selection fibre structure is core shift type PTT/PET bicomponent fibers, and core shift ratio is 6:4, fibre fineness 3D, length are
51mm。
B. it pre-processes：
Using PTT/PET bicomponent fibers as raw material, liquid antistatic is sprayed to the PTT/PET bicomponent fibers, and will spray
The PTT/PET bicomponent fibers after spilling stand 4h, and the regain of the PTT/PET bicomponent fibers is made to reach 9.8%,
In, the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is 8%:92%, the antistatic softening agent be it is non-from
Subtype.
C. non-woven fabrics base fabric is prepared：
（1）The PTT/PET bicomponent fibers after standing are subjected to thick shredding, smart shredding and comb networking process, obtain pine
The PTT/PET bicomponent fibers nets of structure, wherein the thick shredding, smart shredding and comb the technological parameter of networking process and include：
Plucker roller linear velocity is respectively 630-680m/min, 790-810 m/min, 896-910 m/min；Main cylinder speed is 810-
890m/min, cylinder are 10.1-10.5 with working roll speed ratio：1.
（2）The PTT/PET bicomponent fibers net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein the water
Piercing the technological parameter reinforced is：Spun lacing pressure is respectively 33-40bar, 83-90bar, 113-120bar.
（3）The PTT/PET bicomponent fibers net for reinforcing process by the spun lacing is sent into drying chamber and is dried
Process, it is 45g/m to obtain grammes per square metre2, thickness is 65 μm, and longitudinal preshrinking rate is the PTT/PET bicomponent fibers nonwoven bases of 50-55%
The PTT/PET bicomponent fibers non-woven base cloth is cut into the specification that width is 1.5m, wherein the baking operation by cloth
Technological parameter is：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, every group of drying rolling
The quantity of cylinder is 4, and at 114-120 DEG C, it is 133-140 DEG C that cylinder hot wind, which penetrates temperature, for the temperature control of each drying roller,
Hot wind penetrates Boiler pressure control in 72000-78000m3/ h, drying rate 47-50m/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, the stretched film is when extensibility is respectively 350% and 375%, the table of the stretched film
Face viscosity is respectively 3.2N and 3.08N.
（1）The stretched film that width is 1m is stretched 375% along entire breadth direction, while being the stretched film of 1.5m by width
Along entire breadth direction stretch 350%, by the stretched film of different stretch ratio respectively be laid in along longitudinal direction cutting after described in
On PTT/PET bicomponent fibers non-woven base cloths, then uses and gently fix the stretched film after stretching with the hot roll rolled a little
The PTT/PET bicomponent fibers non-woven base cloth after cutting, the light technological parameter for fixing flow are：The hot rolling roll temperature
Control is at 107-110 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT/PET bicomponent fibers non-woven base cloth
Middle nothing rolls an area：Have roll an area be 95：1.
（2）The PTT/PET bicomponent fibers non-woven base cloth for being fixed with stretched film feeding guide roll type steam is determined
Heat-setting process is carried out in type machine, the PTT/PET bicomponent fibers non-woven base cloth for being fixed with the stretched film is steamed through overheat
After the preheating of vapour dewing, the 15 pairs of fabric guide rolls passed sequentially through in the guide roll type steam forming machine are walked up and down, are acted in hot steam
Under, the stretched film generates retraction, and then the PTT/PET bicomponent fibers 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 9-10min, heat setting temperature 103
DEG C, thermal finalization speed is 25-29m/min.
（3）It will be sent into hot-air oven by the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process
3-4min is dried, the stretched film shunk on the PTT/PET bicomponent fibers non-woven base cloth is divested, obtains elongation point
Not Wei 210% and 230% the elastic force non-woven fabrics with fold, the operating temperature of the hot-air oven is 87-90 DEG C, for passing through
Each fold on the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process, the width of the fold are
The arranging density of 1.0mm and 1.5mm, the fold are respectively 25/5cm and 28/5cm.
402, prepare baby pants for walk learning：
（1）Hydrophilic spun-bond nonwoven fabric cladding width 90mm, grammes per square metre 380g/m are used first2Compound core body, after glue spraying with water conservancy diversion
Layer carry out compound rolling, then will coat hydrophilic spun-bond nonwoven fabric the compound core body cutting molding, counterdie glue spraying processing after with
Bottom is non-woven fabric compounded, forms counterdie compound nonwoven cloth；
（2）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；
（3）By the elastic force non-woven fabrics cut into width be 660cm 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 underpants finished product of learning to walk.
To the elastic extension of the elastic force non-woven fabrics of the entire elastic force waistline of the walk-exercising trousers prepared by above-described embodiment 2-4,
Gas permeability, penetrability, pliability, thickness are tested, and the results are shown in Table 1.Wherein used test method is as follows：
（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 walk-exercising trousers elastic force waistline position prepared by embodiment 2-4 is in gas permeability, moisture-inhibiting
The baby pants for walk learning elastic force waistlines of the aspect of performance all than selling currently on the market such as property, pliability and thickness are had outstanding performance, in bullet
Property aspect of performance can also compare favourably with it, and main cause is the reason for using single layer spunlace non-woven cloth as base material, is saved
Glue spraying Compound Machining is carried out on urine pants machine, grammes per square metre is light, is added without any chemistry, reduces integral device investment, shortens processing stream
Journey, energy-saving, actually a environmental type product, before disposable sanitary articles field will have extraordinary application
Scape；The elastic force non-woven fabrics is set to the entire waistline position of walk-exercising trousers, the tight pleat part face walk-exercising trousers waist of elastic force non-woven fabrics, pine
Pleat part face walk-exercising trousers abdomen, compares the use that traditional walk-exercising trousers eliminate rubber band, the walk-exercising trousers being prepared are to baby
The elastic force of body is more uniform so that while walk-exercising trousers have stronger docile and obedient property, avoids elastic silk when baby crawling is learnt to walk
Local pressure effect to baby's waistline, is more suitable for baby walking.
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 walk-exercising trousers, which is characterized in that the method includes：
Using PTT/PET bicomponent fibers as raw material, liquid antistatic is sprayed to the PTT/PET bicomponent fibers, and will spray
The PTT/PET bicomponent fibers after spilling stand 4h, and the regain of the PTT/PET bicomponent fibers is made to reach 7.5-
9.8%, wherein the proportioning of each ingredient is antistatic softening agent in the liquid antistatic：Water is 4-8%:92-96%, it is described antistatic
Softening agent is nonionic；
The PTT/PET bicomponent fibers after standing are subjected to thick shredding, smart shredding and comb networking process, obtain loose structure
PTT/PET bicomponent fibers nets, wherein the thick shredding, smart shredding and comb the technological parameter of networking process and include：Shredding
Roller linear velocity is respectively 510-680m/min, 690-810 m/min, 880-910 m/min；Main cylinder speed is 680-890 m/
Min, cylinder are 9.1-10.5 with working roll speed ratio：1；
The PTT/PET bicomponent fibers net is subjected to spun lacing using 3 groups of water jets and reinforces process, wherein the spun lacing is reinforced
Technological parameter be：Spun lacing pressure is respectively 20-40bar, 70-90bar, 100-120bar；
The PTT/PET bicomponent fibers net for reinforcing process by the spun lacing is sent into drying chamber and carries out drying processing, is obtained
It is 38.5-45g/m to grammes per square metre2, thickness is 55.5-65 μm, and longitudinal preshrinking rate is the PTT/PET bicomponent fibers nonwovens of 50-75%
The PTT/PET bicomponent fibers non-woven base cloth is cut into the specification that width is 1.5m by base fabric, wherein the drying processing
Technological parameter be：The drying mode being combined is penetrated using double groups of drying rollers with cylinder hot wind to be dried, every group of drying
The quantity of roller is 4, and at 105-120 DEG C, it is 120-140 that cylinder hot wind, which penetrates temperature, for the temperature control of each drying roller
DEG C, hot wind penetrates Boiler pressure control in 65000-78000m3/ h, drying rate 40-50m/min；
By width be 1m stretched film along entire breadth direction stretch 375-400%, while by width be 1.5m stretched film along whole
A breadth direction stretches 350-370%, the stretched film of different stretch ratio is laid in along longitudinal direction respectively after cutting described in
On PTT/PET bicomponent fibers non-woven base cloths, then uses and gently fix the stretched film after stretching with the hot roll rolled a little
The PTT/PET bicomponent fibers non-woven base cloth after cutting, the light technological parameter for fixing flow are：The hot rolling roll temperature
Control is at 100-110 DEG C, and the hot rolling roller surface, which is rolled, is a little square fritter, the PTT/PET bicomponent fibers non-woven base cloth
Middle nothing rolls an area：Have roll an area be 95：1；
Will be fixed with the stretched film the PTT/PET bicomponent fibers non-woven base cloth be sent into guide roll type steam forming machine in into
Row heat-setting process, the PTT/PET bicomponent fibers non-woven base cloth for being fixed with the stretched film are pre- through superheated steam dewing
After heat, 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 drawing
It stretches film and generates retraction, and then the PTT/PET bicomponent fibers non-woven base cloth is driven to form being transversely to the machine direction for preset quantity
The technological parameter of fold, the heat-setting process is：Heat-setting time is 5-10min, and heat setting temperature is 100-103 DEG C, heat
Sizing speed is 25-42m/min；
2- is dried by being sent into hot-air oven by the PTT/PET bicomponent fibers non-woven base cloth of the heat-setting process
4min divests the stretched film shunk on the PTT/PET bicomponent fibers non-woven base cloth, and obtaining elongation is respectively
The operating temperature of the elastic force non-woven fabrics with fold of 230-250% and 210-225%, the hot-air oven is 80-90 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
Underpants finished product of learning to walk is obtained, the elastic force non-woven fabrics is located at the entire ring waistline position of the walk-exercising trousers.
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
Underpants finished product of learning to walk is prepared in cloth, water repellent SMS non-woven fabric solids encirclement and surface material jointly, including：
Hydrophilic spun-bond nonwoven fabric cladding width 90mm, grammes per square metre 380g/m are used first2Compound core body, after glue spraying with guide layer into
Row compound rolling, then will coat hydrophilic spun-bond nonwoven fabric the compound core body cutting molding, counterdie glue spraying processing after 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 660cm, 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 underpants finished product of learning to walk.
3. according to the method described in claim 1, it is characterized in that, the fibre structure of the PTT/PET bicomponent fibers is inclined
Core pattern, core shift ratio are 6:4, 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 3.2-2.8N.
6. according to the method described in claim 1, it is characterized in that, for the PTT/PET by the heat-setting process
Each fold on bicomponent fibers non-woven base cloth, the width of the fold are respectively 0.8-1.0mm and 1.0-1.5mm, described
The arranging density of fold is respectively 28-30 items/5cm and 25-28 items/5cm.
7. a kind of walk-exercising trousers, which is characterized in that the walk-exercising trousers by any walk-exercising trousers of claim 1-6 preparation method
It is prepared.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613554A (en) * | 2019-08-30 | 2019-12-27 | 福建恒安集团有限公司 | Composite elastic waistline pull-up pants and manufacturing process thereof |
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| CN106835499A (en) * | 2017-02-22 | 2017-06-13 | 广东斯乐普环保技术股份有限公司 | Three layers of composite separating film backing material and preparation method thereof |
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| JPH0571056A (en) * | 1991-09-09 | 1993-03-23 | Mitsubishi Rayon Co Ltd | Production of nonwoven fabric |
| EP2431512B1 (en) * | 2010-09-21 | 2013-07-17 | The Procter & Gamble Company | Wipes comprising a fibrous structure and an opacifying agent |
| CN202669108U (en) * | 2012-06-01 | 2013-01-16 | 浙江华昊化纤塑业有限公司 | Non-woven fabric with good flexibility |
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| CN110613554A (en) * | 2019-08-30 | 2019-12-27 | 福建恒安集团有限公司 | Composite elastic waistline pull-up pants and manufacturing process thereof |
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