CN105200656A - Non-woven mask base cloth and manufacturing method thereof - Google Patents
Non-woven mask base cloth and manufacturing method thereof Download PDFInfo
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- CN105200656A CN105200656A CN201510645751.3A CN201510645751A CN105200656A CN 105200656 A CN105200656 A CN 105200656A CN 201510645751 A CN201510645751 A CN 201510645751A CN 105200656 A CN105200656 A CN 105200656A
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Abstract
The invention relates to a non-woven mask base cloth and a manufacturing method thereof, and belongs to the field of beautifying and skin care. The method comprises the steps that cellulose fiber is unpacked, coarse opening, mixing, fine opening, cotton feeding, carding, cross lapping and drafting are performed and then a lower layer fiber web is formed; water-soluble polyvinyl alcohol fiber is unpacked, secondary opening, airflow cotton feeding and disordered carding are performed and then the fiber is laid on the lower layer fiber web so as to form an upper layer fiber web; the upper layer fiber web and the lower layer fiber web are fed into a high-pressure jetting area together for spunlace reinforcing, so that fiber in the upper layer fiber web and fiber in the lower layer fiber web are entwisted to form a composite fiber web; the composite fiber web is fed into a water soluble area and dissolved to remove polyvinyl alcohol fiber to obtain the single-layer fiber web; the single-layer fiber web is dried, wound and slit to obtain the non-woven mask base cloth. The obtained non-woven mask base cloth has multiple fiber gaps and capillary pores, the problem that a non-woven base cloth for a mask is large in gram weight and poor in skin attachment is solved, and the effects that the non-woven base cloth for the mask is light and thin, can absorb water and is breathable and good in moisturizing and attachment are achieved.
Description
Technical field
The present invention relates to beauty and skin care field, particularly a kind of nonwoven mask substrate and preparation method thereof.
Background technology
Facial mask is a kind of skincare product that beauty industry often uses, and has the features such as easy to use, instant effect, skin effect are good, liking thus very by female friend.Facial mask is classified according to material, Biofibre facial mask, mud film, gel mask can be divided into and take nonwoven fabric as the facial mask of base material, wherein nonwoven fabric facial mask first adopts fiber to make nonwoven fabric mask substrate, and then the nutrient solution of dipping containing Multiple components, make after filling and sealing, from Filling bag, take out nonwoven fabric facial mask during use be directly attached to face, very casual, and all can use in any occasion, become face's care product most popular on market.
Nonwoven fabric for making mask substrate mainly contains water acupuncture manipulation nonwoven fabric, Nonwovens of spunbond and needlepunched nonwoven cloth, wherein water acupuncture manipulation nonwoven fabric have that feel is soft, drapability good, outward appearance and traditional textile closest to etc. performance and very welcome in facial mask industry.Water acupuncture manipulation nonwoven fabric is mainly divided into cross lapping, semidecussation according to one-tenth net mode and directly becomes net method three major types, wherein cross lapping and semidecussation method spun laced fabric vertical, horizontal brute force are relatively, but be partial to thick grammes per square metre product, direct one-tenth net method spun laced fabric vertical, horizontal brute force differs greatly, but is partial to thin grammes per square metre product.Because facial mask all has requirement to the vertical, horizontal brute force of base cloth in use, thus cross lapping and semidecussation method spun laced fabric are the first-selections of mask substrate.Over the past two years, came into vogue docile, thin, light, saturating facial mask in market, and cross lapping and semidecussation method are difficult to produce 30g/m
2following spun laced fabric, therefore the market demand develops thin grammes per square metre spunlace non-woven cloth, very necessary.
Existing employing water acupuncture manipulation nonwoven fabric mainly contains as the data of mask substrate:
Patent CN201410847297.5 openly one side water suction infiltration Waterproof lock water pastes skin nonwoven fabric, adopt fineness to be less than or equal to the 5-15 millimeter cellulose fibre of 0.9 dtex and PP hydrophobic layer water to sting and be composited, owing to adopting thin dawn short fiber cellulose fibre as water accepting layer, bottom is hydrophobic PP spinning building, suction force to High-Pressure Water when this spinning building blocks vacuum draw, water thorn easily makes thin dawn short fiber cellulose fibre be washed away by water under high pressure when reinforcing, and production efficiency is lower.
Patent CN201310277517.0 discloses the production technology of a kind of pearl fiber and viscose combination water prick nonwoven cloth, pearl fiber and viscose is adopted to be raw material, make after entering shredding, combing, lapping, drawing-off, water thorn, oven dry, on-line checkingi successively, batch and dividing cutting process, because two carding machine feeding fibre web grammes per square metres are 30g/m
2, the therefore average grammes per square metre>=60g/m of finished product
2; Patent CN200810029962.4 discloses a kind of elastic facial mask cloth, adopt and directly become net method spunlace non-woven cloth processing technology to make, this elastic facial mask cloth contains composite superfine staple, absorbent cotton or bamboo fibre, has certain elastic returning, and the water Ci Jibu grammes per square metre made is at 60-100g/m
2between.The nonwoven fabric that above-mentioned two patents relate to, when being used as mask substrate, because nonwoven fabric grammes per square metre is comparatively large, can affect its stickiness to facial skin.
The open a kind of absorbability pure natural real silk facial mask fast of patent CN201410339416.6 is with pure short silk fiber for raw material, adopts water thorn net-forming technology to prepare real silk non-woven cloth, after preliminary treatment, is immersed by real silk non-woven cloth in facial mask nutrient solution and make; Patent CN201410370820.X provides a kind of non-woven fabrics of chitin; by other fiber of the chitin fiber containing 5-90 weight portion and 10-95 weight portion; obtain non-woven fabrics of chitin by water thorn, acupuncture, heat pressing process after mixing, there is effect of protection skin clean health.Above-mentioned patent all highlights the functional of mask substrate, does not relate to light and thin type and the stickiness problem with face thereof.
Can find out, the mask substrate of nonwoven disclosed in Patent data exists that working (machining) efficiency is low realizes the problem that difficulty is large, the larger sticking nature of grammes per square metre is bad, or is partial to emphasize the functional of mask substrate.Because facial mask belongs to a kind of trendy product, need to follow trend of the market and change the desire to purchase that just can cause consumer, and in the face of market today is to thin, that stickiness is good facial mask demand, nonwoven mask substrate also must carry out specific aim exploitation.
Summary of the invention
For solving the problems referred to above that prior art exists, the invention provides a kind of nonwoven mask substrate and preparation method thereof, the technical scheme of described nonwoven mask substrate and preparation method thereof is as follows:
A preparation method for nonwoven mask substrate, described method comprises:
After cellulose fibre is opened bag, after thick shredding, mixing, smart shredding, hello cotton, combing, cross lapping, drawing-off, form lower floor's fibre web;
After water-soluble polyvinyl alcohol fibers is opened bag, after two road shreddings, air-flow feed cotton, mixed and disorderly combing, be directly laid on described lower floor fibre web and form upper strata fibre web;
Described upper strata fibre web is sent into together with described lower floor fibre web high-pressure spray district to carry out water and sting and reinforce, make the cellulose fibre in the water-soluble polyvinyl alcohol fibers in the fibre web of described upper strata and described lower floor fibre web produce mutually to tangle and form composite web;
Described composite web is sent into water-soluble district, dissolves and remove the vinal in described composite web, obtaining single layer web;
By described single layer web after drying, reel, dividing cutting process, make nonwoven mask substrate.
Optionally, described water-soluble polyvinyl alcohol fibers is opened bag after, after two road shreddings, air-flow feed cotton, mixed and disorderly combing, be directly laid on described lower floor fibre web and formed in the step of upper strata fibre web, the technical measures taked has:
A. tightly space strong point of comb: space between 18-22mm between adjustment cylinder and working roll, space between 18-22mm between cylinder and angle stripper, space between 8-10mm between cylinder and doffer, cylinder and working roll speed ratio are increased to 12-16:1, strengthen carding capacity;
B. gently feed beat, appropriate shredding: two road opener speed controlled respectively between 600-700r/min and 800-900r/min more;
C. large speed ratio shifts soon: cylinder and angle stripper speed ratio are adjusted to 5-7:1, and stripper and worker speed ratio is adjusted to 2-3:1, and meanwhile, cylinder operating rate is down to 700-820m/min, doffer speed is turned down between 40-50m/min, to increase fibre migration rate.
Optionally, the described high-pressure spray district that sent into together with described lower floor fibre web by described upper strata fibre web carries out water and stings and reinforce, make the cellulose fibre in the water-soluble polyvinyl alcohol fibers in the fibre web of described upper strata and described lower floor fibre web produce mutually to tangle and form composite web, comprising:
Described lower floor fibre web is sent into together with the fibre web of described upper strata high-pressure spray district and carry out the reinforcing of water thorn, adopt the water thorn reinforcing mode that seven road water thorns, rotary drum and plain net combine, medium water is adopted to sting pressure, pressure set points is respectively: road, rotary drum water spine area five: prewet 4.5-6bar, 30-40bar, 55-60bar, 65-78bar, 88-92bar, road, plain net water spine area two: 90-95bar, 70-80bar, after reinforcing, the cellulose fibre in described lower floor fibre web and described upper strata fibre web produces mutually to tangle and forms composite web.
Optionally, described described composite web is sent into water-soluble district, dissolves and remove the vinal in described composite web, comprising:
Described composite web entirety is sent in ultrasonic sink and carries out water-soluble process, water-soluble ratio is the ratio of quality in 1:40-50(web quality and tank), overflow is adopted to change water, wherein the water temperature of first ultrasonic sink is between 50-55 DEG C, ultrasonic frequency is 28kHz, adjusting solution exchange rate in tank during overflow is 40-50%, the water temperature of second ultrasonic sink is between 55-60 DEG C, ultrasonic frequency is 40kHz, adjusting solution exchange rate in tank during overflow is 20-30%, dissolves and removes the vinal in described composite web.
Optionally, described dissolving after removing the vinal in described composite web, in described composite web, vinal is molten except rate is between 98-99.5%, and described composite web becomes the single layer web be made up of lowermost fibre cellulose fiber.
Optionally, described by described single layer web through drying, after winding, point cutting process, make nonwoven mask substrate, comprising:
Sent in baking oven by described single layer web and carry out drying and processing, adopt the drying mode that cylinder hot blast penetrates, oven temperature is between 130-140 DEG C, and hot blast penetrates Boiler pressure control at 70000-80000m
3between/h, drying rate is 40-50m/min;
Cut by described single layer web after drying, then winding makes grammes per square metre at 20.5-30.7g/m
2between, thickness is between 30-60 μm, and surface distributed has the nonwoven mask substrate in 20-30 μm of irregular aperture.
Optionally, when preparing described nonwoven mask substrate, control at 22-24 DEG C by workshop temperature, relative humidity controls at 60-65%.
Optionally, the water solution temperature of described vinal is 50 DEG C, and fibre fineness is 1.5-3D, and length is 38-51mm.
Optionally, described cellulose fibre is at least one in sky silk, copper ammonia fibre, and fibre fineness is 1.0-1.5D, and length is 38-51mm.
A kind of nonwoven mask substrate, described nonwoven mask substrate is prepared by the preparation method of above-mentioned arbitrary described nonwoven mask substrate, and described nonwoven mask substrate is made up of jointly water-soluble polyvinyl alcohol fibers and cellulose fibre.
Compared with prior art, the preparation method of nonwoven mask substrate provided by the invention has the following advantages:
1. the present invention adopts the production method of the spun laced fabric of semidecussation, water-soluble polyvinyl alcohol fiber is made upper strata fibre web, compound prepares slim mask substrate together with lower floor's fibre web that cellulose fibre is made, in water thorn reinforcing process, vinal in or rectilinear or inclination state be inserted in cellulosic fiber webs, together with vinal is entangled to each other with cellulose fibre, in lower floor's fibre web, define numerous diameter after water-soluble process is 20-30 μm of irregular fine pore, under the prerequisite not reducing speed of production, make ultra-thin, ventilative, nonwoven mask substrate attractive in appearance is produced becomes possibility.
2. owing to adopting water solution temperature to be the vinal of 50 DEG C, crimpness is less, crispation number is only 1.5/cm, fiber surface is straight, cohesive force is poor, easy winding cylinder, therefore have employed during shredding combing the strong point of comb that tightly space, light feed to beat more, technical measures that appropriate shredding, large speed ratio shift soon, to form uniform fiber web.
3. the present invention adopts seven road water thorn consolidation process, hydraulic pressure progressively raises, ensure that vinal produces in advance swelling fully, the shock wave that follow-up employing ultrasonic wave " cavitation effect " produces carries out water-soluble process, make vinal from the cellulose fiber surface of lower floor's fibre web and inner depolymerization and disengaging, and change water by overflow and exclude, make vinal molten except rate reaches 98-99.5%, penetrate oven dry through hot blast again, obtain frivolous, soft and mushy facial mask non-woven base cloth.
In a word, the present invention is by selecting 50 DEG C of polyvinyl alcohol water soluble fibers and special shredding carding technology measure thereof, ultrasonic wave effectively removing fast vinal, obtain fluffy softness, the surface distributed spunlace non-woven cloth of irregular hole, grammes per square metre is at 20.5-30.7g/m
2between, there is frivolous, many good characteristics such as water suction, soft, moisturizing sticking nature is good of breathing freely, be the mask substrate of a kind of qualified " can breathe ", have a extensive future in beauty industry.
Nonwoven mask substrate fibre gap prepared by the present invention and capillary porosity many, solve facial mask non-woven base cloth grammes per square metre comparatively large, to the problem of skin sticking nature difference, reach that facial mask non-woven base cloth is frivolous, absorbent ventilate, effect that moisturizing sticking nature is good.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment (but being not limited to illustrated embodiment), the invention will be further described.Wherein sky silk and copper ammonia fibre are purchased from Shaoxing Dan Ao Fabritex S.r.l, and wherein sky wire type number is A100, and the transparency is good; 50 DEG C of water-soluble polyvinyl alcohol fibers are purchased from Kuraray trade (Shanghai) Co., Ltd..
embodiment 1:
1, after cellulose fibre being opened bag, after thick shredding, mixing, smart shredding, hello cotton, combing, cross lapping, drawing-off, lower floor's fibre web is formed.
2, after water-soluble polyvinyl alcohol fibers being opened bag, after two road shreddings, air-flow feed cotton, mixed and disorderly combing, be directly laid on lower floor's fibre web and form upper strata fibre web.
3, upper strata fibre web is sent into together with lower floor fibre web high-pressure spray district to carry out water and sting and reinforce, make the cellulose fibre in the water-soluble polyvinyl alcohol fibers in the fibre web of upper strata and lower floor's fibre web produce mutually to tangle and form composite web.
4, composite web is sent into water-soluble district, dissolve and remove the vinal in composite web, obtaining single layer web.
5, by single layer web through drying, after winding, point cutting process, make nonwoven mask substrate.
Nonwoven mask substrate prepared by the present invention is surperficial and fibre web is inner is filled with countless tiny hole, solve facial mask non-woven base cloth grammes per square metre larger, to the problem of skin sticking nature difference, reach that facial mask non-woven base cloth is frivolous, absorbent ventilate, effect that moisturizing sticking nature is good.
embodiment 2:
1, the preparation of lower floor's fibre web
Send into opener by airflow line after cellulose fibre being opened bag and carry out thick shredding, lower floor's fibre web is formed again after mixing, smart shredding, hello cotton, combing, cross lapping and drafting process, wherein cellulose fibre is copper ammonia fibre, and fibre fineness is 1.0D, and length is 38mm;
2, the preparation of upper strata fibre web
Water solution temperature is selected to be the vinal of 50 DEG C, fibre fineness is 1.5D, length is 38mm, after water-soluble polyvinyl alcohol fibers being opened bag after two road shreddings, air-flow feed cotton, mixed and disorderly combing, directly be laid on aforementioned lower floor fibre web and form upper strata fibre web, the technical measures wherein taked has:
A. tightly space strong point of comb: space for 18mm between adjustment cylinder and working roll, spaces for 18mm between cylinder and angle stripper, spaces for 8mm between cylinder and doffer, cylinder and working roll speed ratio increased to 12:1, strengthens carding capacity;
B. gently feed beat, appropriate shredding: two road opener speed are controlled as 600r/min and 800r/min more;
C. large speed ratio shifts soon: cylinder and angle stripper speed ratio are adjusted to 5:1, and stripper and worker speed ratio is adjusted to 2:1, meanwhile, cylinder operating rate is down to 700m/min, and doffer speed is turned down as 40m/min, to increase fibre migration rate;
3, water thorn is reinforced
Lower floor's fibre web is sent into together with the fibre web of upper strata high-pressure spray district and carry out the reinforcing of water thorn, adopt the water thorn reinforcing mode that seven road water thorns, rotary drum and plain net combine, medium water is adopted to sting pressure, pressure set points is respectively: road, rotary drum water spine area five: prewet 4.5bar, 30bar, 55bar, 65bar, 88bar, road, plain net water spine area two: 90bar, 70bar, after reinforcing, lowermost fibre cellulose fiber fibre web and upper strata vinal fibre web are combined into as a whole.
4, water-soluble removal vinal
Aforementioned composite web entirety is sent in ultrasonic sink and carries out water-soluble process, water-soluble ratio is the ratio of quality in 1:40(web quality and tank), overflow is adopted to change water, wherein the water temperature of first ultrasonic sink is 50 DEG C, ultrasonic frequency is 28kHz, adjusting solution exchange rate in tank during overflow is 40%, the water temperature of second ultrasonic sink is 55 DEG C, ultrasonic frequency is 40kHz, adjusting solution exchange rate in tank during overflow is 20%, through two road Ultrasonic Cleanings are molten remove after, vinal molten except rate be 99.5%, on, lower floor's composite web becomes the single layer web be made up of lowermost fibre cellulose fiber.
5, dry
The single layer web water-soluble process formed afterwards is sent in baking oven and is carried out drying and processing, and adopt the drying mode that cylinder hot blast penetrates, oven temperature is 130 DEG C, and hot blast penetrates Boiler pressure control at 70000m
3/ h, drying rate is 50m/min.
6, winding shaping
Cut by single layer web after drying, then winding becomes grammes per square metre is 20.5g/m
2, thickness is 30 μm, and surface distributed has the mask substrate finished product in 20-24.5 μm of irregular aperture.
Add and workshop temperature controlled to be 22 DEG C man-hour, it is 60% that relative humidity controls.
embodiment 3:
1, the preparation of lower floor's fibre web
Send into opener by airflow line after cellulose fibre being opened bag and carry out thick shredding, lower floor's fibre web is formed again after mixing, smart shredding, hello cotton, combing, cross lapping and drafting process, wherein cellulose fibre is sky silk, and fibre fineness is 1.5D, and length is 38mm;
2, the preparation of upper strata fibre web
Water solution temperature is selected to be the vinal of 50 DEG C, fibre fineness is 2D, length is 51mm, after water-soluble polyvinyl alcohol fibers being opened bag after two road shreddings, air-flow feed cotton, mixed and disorderly combing, directly be laid on aforementioned lower floor fibre web and form upper strata fibre web, the technical measures wherein taked has:
A. tightly space strong point of comb: space for 20mm between adjustment cylinder and working roll, spaces for 20mm between cylinder and angle stripper, spaces for 10mm between cylinder and doffer, cylinder and working roll speed ratio increased to 14:1, strengthens carding capacity;
B. gently feed beat, appropriate shredding: two road opener speed are controlled as 650r/min and 850r/min more;
C. large speed ratio shifts soon: cylinder and angle stripper speed ratio are adjusted to 6:1, and stripper and worker speed ratio is adjusted to 2.5:1, meanwhile, cylinder operating rate is down to 760m/min, and doffer speed is turned down as 45m/min, to increase fibre migration rate;
3, water thorn is reinforced
Lower floor's fibre web is sent into together with the fibre web of upper strata high-pressure spray district and carry out the reinforcing of water thorn, adopt the water thorn reinforcing mode that seven road water thorns, rotary drum and plain net combine, medium water is adopted to sting pressure, pressure set points is respectively: road, rotary drum water spine area five: prewet 5bar, 35bar, 58bar, 70bar, 90bar, road, plain net water spine area two: 92bar, 75bar, after reinforcing, lowermost fibre cellulose fiber fibre web and upper strata vinal fibre web are combined into as a whole.
4, water-soluble removal vinal
Aforementioned composite web entirety is sent in ultrasonic sink and carries out water-soluble process, water-soluble ratio is the ratio of quality in 1:45(web quality and tank), overflow is adopted to change water, wherein the water temperature of first ultrasonic sink is 52 DEG C, ultrasonic frequency is 28kHz, adjusting solution exchange rate in tank during overflow is 45%, the water temperature of second ultrasonic sink is 58 DEG C, ultrasonic frequency is 40kHz, adjusting solution exchange rate in tank during overflow is 25%, through two road Ultrasonic Cleanings are molten remove after, vinal molten except rate be 99%, on, lower floor's composite web becomes the single layer web be made up of lowermost fibre cellulose fiber.
5, dry
The single layer web water-soluble process formed afterwards is sent in baking oven and is carried out drying and processing, and adopt the drying mode that cylinder hot blast penetrates, oven temperature is 135 DEG C, and hot blast penetrates Boiler pressure control at 75000m
3/ h, drying rate is 45m/min.
6, winding shaping
Cut by single layer web after drying, then winding becomes grammes per square metre is 25.5g/m
2, thickness is 45 μm, and surface distributed has the mask substrate finished product in 25-27 μm of irregular aperture.
Add and workshop temperature controlled to be 24 DEG C man-hour, it is 65% that relative humidity controls.
embodiment 4:
1, the preparation of lower floor's fibre web
Send into opener by airflow line after cellulose fibre being opened bag and carry out thick shredding, lower floor's fibre web is formed again after mixing, smart shredding, hello cotton, combing, cross lapping and drafting process, wherein cellulose fibre is sky silk, and fibre fineness is 1.5D, and length is 51mm;
2, the preparation of upper strata fibre web
Water solution temperature is selected to be the vinal of 50 DEG C, fibre fineness is 3D, length is 51mm, after water-soluble polyvinyl alcohol fibers being opened bag after two road shreddings, air-flow feed cotton, mixed and disorderly combing, directly be laid on aforementioned lower floor fibre web and form upper strata fibre web, the technical measures wherein taked has:
A. tightly space strong point of comb: space for 22mm between adjustment cylinder and working roll, spaces for 22mm between cylinder and angle stripper, spaces for 10mm between cylinder and doffer, cylinder and working roll speed ratio increased to 16:1, strengthens carding capacity;
B. gently feed beat, appropriate shredding: two road opener speed are controlled as 700r/min and 900r/min more;
C. large speed ratio shifts soon: cylinder and angle stripper speed ratio are adjusted to 7:1, and stripper and worker speed ratio is adjusted to 3:1, meanwhile, cylinder operating rate is down to 820m/min, and doffer speed is turned down as 50m/min, to increase fibre migration rate;
3) water thorn is reinforced: are sent into high-pressure spray district together with the composite web that lowermost fibre cellulose fiber fibre web and upper strata vinal fibre web are formed and carry out the reinforcing of water thorn, adopt the water thorn reinforcing mode that seven road water thorns, rotary drum and plain net combine, medium water is adopted to sting pressure, pressure set points is respectively: road, rotary drum water spine area five: prewet 6bar, 40bar, 60bar, 78bar, 92bar, road, plain net water spine area two: 95bar, 80bar, after reinforcing, lowermost fibre cellulose fiber fibre web and upper strata vinal fibre web are combined into as a whole.
4, water-soluble removal vinal
Aforementioned composite web entirety is sent in ultrasonic sink and carries out water-soluble process, water-soluble ratio is the ratio of quality in 1:50(web quality and tank), overflow is adopted to change water, wherein the water temperature of first ultrasonic sink is 55 DEG C, ultrasonic frequency is 28kHz, adjusting solution exchange rate in tank during overflow is 50%, the water temperature of second ultrasonic sink is 60 DEG C, ultrasonic frequency is 40kHz, adjusting solution exchange rate in tank during overflow is 30%, through two road Ultrasonic Cleanings are molten remove after, vinal molten except rate be 98%, on, lower floor's composite web becomes the single layer web be made up of lowermost fibre cellulose fiber.
5, dry
The single layer web water-soluble process formed afterwards is sent in baking oven and is carried out drying and processing, and adopt the drying mode that cylinder hot blast penetrates, oven temperature is 140 DEG C, and hot blast penetrates Boiler pressure control at 80000m
3/ h, drying rate is 40m/min.
6, winding shaping
Cut by single layer web after drying, then winding becomes grammes per square metre is 30.7g/m
2, thickness is 60 μm, and surface distributed has the mask substrate finished product in 27.5-30 μm of irregular aperture.
Add and workshop temperature controlled to be 24 DEG C man-hour, it is 65% that relative humidity controls.
Test the water imbibition of the ultra-thin nonwoven mask substrate prepared by above-described embodiment 2-4, pliability, gas permeability, transparency and thickness, its result is as shown in table 1.Wherein adopted method of testing is as follows:
gas permeability:
Adopt YG461D digital textile air permeation volume gauge, method of testing performs according to GB/T5453-1997 standard.During test, pressure reduction is 60Pa, selects nozzle diameter 5mm.
water imbibition:
Clip is of a size of the sample of 100mm × 100mm, as the original quality of sample after weighing.Sample is immersed in pure underwater, after (60 ± 1) s, takes out sample, vertical hanging, weigh after (120 ± 1) s that drips, as the sample mass after water suction, according to formulae discovery water absorption rate:
Water absorption rate (%)=[(after sample water suction quality-sample original quality)/sample original quality] × 100
thickness:
Adopt YG141N type digital textile thickness gauge, test according to standard FZ/T60004-91.
flexibility:
Adopt the crooked test instrument FB2 in KES-F Fabric Style instrument system to test, using bending stiffness as the index weighing base cloth flexibility, bending stiffness is less, and base cloth is more soft.Size of sample is 200mm × 200mm.
transparency:
Select DN-B whiteness instrument, adopt the standard white body calibration zeroing of R45777.6, Ry82.6, be transferred to transparency test shelves, then carry out operational testing according to manual testing.
Table 1: the test result of nonwoven mask substrate performance
As can be seen from Table 1, nonwoven mask substrate prepared by embodiment 2-4 is all had outstanding performance than the existing common mask substrate commercially sold in water imbibition, the transparency, flexibility, permeability, particularly transparency, exceed nearly one times than common mask substrate, reason have employed the rear transparent extraordinary copper ammonia fibre of water suction and sky silk A100; In gas permeability, the gas permeability mean value of embodiment 2-4 exceeds 90.6% than common mask substrate, mainly vinal is molten remove after on cloth cover, leave the cause of many irregular fine pores, cause gas permeability greatly to increase; In addition, in flexibility, the flexibility mean value of embodiment 2-4 is lower than common mask substrate by 70.2%, flexibility numerical value is less, Ji Bu is more soft, better with the skin sticking nature of face, and mask substrate prepared by the preparation method of visible nonwoven mask substrate provided by the invention is very soft.In nonwoven mask substrate prepared by the present invention fibre gap and capillary porosity many, soft and fluffy, frivolous and dangle, surface has been covered with irregular hole, further increase its water imbibition, gas permeability and moisturizing sticking nature, in all case arbitrarily can use, be the desirable base cloth of beauty mask, adapted to the pursuit of women to fashion of liking to be beautiful completely.
Although above with general explanation, detailed description of the invention and test, the present invention is described in detail, and on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. a preparation method for nonwoven mask substrate, is characterized in that, described method comprises:
After cellulose fibre is opened bag, after thick shredding, mixing, smart shredding, hello cotton, combing, cross lapping, drawing-off, form lower floor's fibre web;
After water-soluble polyvinyl alcohol fibers is opened bag, after two road shreddings, air-flow feed cotton, mixed and disorderly combing, be directly laid on described lower floor fibre web and form upper strata fibre web;
Described upper strata fibre web is sent into together with described lower floor fibre web high-pressure spray district to carry out water and sting and reinforce, make the cellulose fibre in the water-soluble polyvinyl alcohol fibers in the fibre web of described upper strata and described lower floor fibre web produce mutually to tangle and form composite web;
Described composite web is sent into water-soluble district, dissolves and remove the vinal in described composite web, obtaining single layer web;
By described single layer web after drying, reel, dividing cutting process, make nonwoven mask substrate.
2. method according to claim 1, it is characterized in that, described water-soluble polyvinyl alcohol fibers is opened bag after, after two road shreddings, air-flow feed cotton, mixed and disorderly combing, directly be laid on described lower floor fibre web and formed in the step of upper strata fibre web, the technical measures taked has:
A. tightly space strong point of comb: space between 18-22mm between adjustment cylinder and working roll, space between 18-22mm between cylinder and angle stripper, space between 8-10mm between cylinder and doffer, cylinder and working roll speed ratio are increased to 12-16:1, strengthen carding capacity;
B. gently feed beat, appropriate shredding: two road opener speed controlled respectively between 600-700r/min and 800-900r/min more;
C. large speed ratio shifts soon: cylinder and angle stripper speed ratio are adjusted to 5-7:1, and stripper and worker speed ratio is adjusted to 2-3:1, and meanwhile, cylinder operating rate is down to 700-820m/min, doffer speed is turned down between 40-50m/min, to increase fibre migration rate.
3. method according to claim 1, it is characterized in that, the described high-pressure spray district that sent into together with described lower floor fibre web by described upper strata fibre web carries out water and stings and reinforce, make the cellulose fibre in the water-soluble polyvinyl alcohol fibers in the fibre web of described upper strata and described lower floor fibre web produce mutually to tangle and form composite web, comprising:
Described lower floor fibre web is sent into together with the fibre web of described upper strata high-pressure spray district and carry out the reinforcing of water thorn, adopt the water thorn reinforcing mode that seven road water thorns, rotary drum and plain net combine, medium water is adopted to sting pressure, pressure set points is respectively: road, rotary drum water spine area five: prewet 4.5-6bar, 30-40bar, 55-60bar, 65-78bar, 88-92bar, road, plain net water spine area two: 90-95bar, 70-80bar, after reinforcing, the cellulose fibre in described lower floor fibre web and described upper strata fibre web produces mutually to tangle and forms composite web.
4. method according to claim 1, is characterized in that, described described composite web is sent into water-soluble district, dissolves and removes the vinal in described composite web, comprising:
Described composite web entirety is sent in ultrasonic sink and carries out water-soluble process, water-soluble ratio is the ratio of quality in 1:40-50(web quality and tank), overflow is adopted to change water, wherein the water temperature of first ultrasonic sink is between 50-55 DEG C, ultrasonic frequency is 28kHz, adjusting solution exchange rate in tank during overflow is 40-50%, the water temperature of second ultrasonic sink is between 55-60 DEG C, ultrasonic frequency is 40kHz, adjusting solution exchange rate in tank during overflow is 20-30%, dissolves and removes the vinal in described composite web.
5. method according to claim 4, it is characterized in that, described dissolving after removing the vinal in described composite web, in described composite web, vinal is molten except rate is between 98-99.5%, and described composite web becomes the single layer web be made up of lowermost fibre cellulose fiber.
6. method according to claim 5, is characterized in that, described by described single layer web through drying, after winding, point cutting process, make nonwoven mask substrate, comprising:
Sent in baking oven by described single layer web and carry out drying and processing, adopt the drying mode that cylinder hot blast penetrates, oven temperature is between 130-140 DEG C, and hot blast penetrates Boiler pressure control at 70000-80000m
3between/h, drying rate is 40-50m/min;
Cut by described single layer web after drying, then winding makes grammes per square metre at 20.5-30.7g/m
2between, thickness is between 30-60 μm, and surface distributed has the nonwoven mask substrate in 20-30 μm of irregular aperture.
7., according to the arbitrary described method of claim 1 to 6, it is characterized in that, when preparing described nonwoven mask substrate, control at 22-24 DEG C by workshop temperature, relative humidity controls at 60-65%.
8. method according to claim 1, is characterized in that, the water solution temperature of described vinal is 50 DEG C, and fibre fineness is 1.5-3D, and length is 38-51mm.
9. method according to claim 1, is characterized in that, described cellulose fibre is at least one in sky silk, copper ammonia fibre, and fibre fineness is 1.0-1.5D, and length is 38-51mm.
10. a nonwoven mask substrate, is characterized in that, described nonwoven mask substrate is prepared by the arbitrary described method of claim 1 to 9, and described nonwoven mask substrate is made up of jointly water-soluble polyvinyl alcohol fibers and cellulose fibre.
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| CN108179545A (en) * | 2017-11-22 | 2018-06-19 | 福建南纺有限责任公司 | With double-layer flow-guiding type cotton hydro-entangled non-woven fabric and preparation method thereof |
| CN108754854A (en) * | 2018-06-12 | 2018-11-06 | 巩义市欧洁源环保技术服务有限公司 | A kind of non-woven mask substrate of environmental-friendly plant fiber and plant fiber facial mask |
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| CN114622344A (en) * | 2021-11-04 | 2022-06-14 | 浙江安顺化纤有限公司 | Dry preparation method of non-woven fabric and application of non-woven fabric in facial mask |
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| CN106757780A (en) * | 2017-01-15 | 2017-05-31 | 上海缔荣纺织品有限公司 | A kind of production technology of chrysanthemum valve type superfine fibre spunlace non-woven cloth |
| CN108179545A (en) * | 2017-11-22 | 2018-06-19 | 福建南纺有限责任公司 | With double-layer flow-guiding type cotton hydro-entangled non-woven fabric and preparation method thereof |
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| CN115182093A (en) * | 2022-07-04 | 2022-10-14 | 宜兴申联机械制造有限公司 | Preparation process of 3D (three-dimensional) spunlace non-woven fabric for mask base fabric |
| CN115182093B (en) * | 2022-07-04 | 2023-07-07 | 宜兴申联机械制造有限公司 | Preparation process of 3D (three-dimensional) spun-laced non-woven fabric for mask base cloth |
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