CN108553220A - A kind of amenities Water-absorption core body and its preparation process - Google Patents
A kind of amenities Water-absorption core body and its preparation process Download PDFInfo
- Publication number
- CN108553220A CN108553220A CN201810462994.7A CN201810462994A CN108553220A CN 108553220 A CN108553220 A CN 108553220A CN 201810462994 A CN201810462994 A CN 201810462994A CN 108553220 A CN108553220 A CN 108553220A
- Authority
- CN
- China
- Prior art keywords
- woven fabrics
- layer non
- water
- molecular resin
- middle layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A61F13/53—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 absorbing medium
- A61F13/531—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 absorbing medium having a homogeneous composition through the thickness of the pad
-
- 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
- A61F13/53—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 absorbing medium
- A61F2013/530481—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
-
- 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
- A61F13/53—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 absorbing medium
- A61F2013/530481—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530708—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
- A61F2013/530715—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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate
Abstract
The present invention relates to a kind of amenities Water-absorption core body and its preparation processes, the Water-absorption core body includes upper layer non-woven fabrics, middle layer non-woven fabrics and lower layer's dust-free paper, by adhesive bond between the upper layer non-woven fabrics and middle layer non-woven fabrics, pass through adhesive bond between middle layer non-woven fabrics and lower layer's dust-free paper；The top infiltration of the middle layer non-woven fabrics has the first hydroscopic high-molecular resin, lower part infiltration has the second hydroscopic high-molecular resin, the grain size of first hydroscopic high-molecular resin is more than the grain size of the second hydroscopic high-molecular resin, and the water absorbing properties of the first hydroscopic high-molecular resin are weaker than the water absorbing properties of the second hydroscopic high-molecular resin.The configuration of the present invention is simple, upper layer non-woven fabrics seepage velocity is high, and skin can be kept dry and comfortable comfortable, and middle layer non-woven fabrics soaking effect is good, can quickly absorb water and absorb water thoroughly.
Description
Technical field
The invention belongs to amenities technical field more particularly to a kind of amenities Water-absorption core bodies and its preparation process.
Background technology
Water-absorption core body it is widely used, currently, the amenities of commercial type, such as sanitary napkin or the water-absorbing core of paper diaper
Body is typically to be made of Time of Fluff Slurry or non-woven fabrics, and in order to improve the absorbent properties of Water-absorption core body, people have developed in Water-absorption core body
In increase macromolecule water uptake layer, since this Water-absorption core body is very closely knit, the absorption of liquid and the diffusion of liquid are very slow,
If cannot liquid absorption can be brought uncomfortable and trouble to user in the short time, user cannot be met and need it can be
The requirement of a large amount of liquid is absorbed in short time.
Chinese patent CN203417298U discloses a kind of composite water absorbing core, and the Water-absorption core body includes being located at upper layer
First clean paper layer, the nonwoven layer positioned at middle layer and the second clean paper layer positioned at lower layer, in the nonwoven layer point
It is furnished with hydroscopic high-molecular resin.
Chinese patent CN101797201 discloses a kind of polymer compound core body and preparation method thereof, is related to a kind of high score
Sub- compound core body.There is provided it is a kind of being mainly used for nappy and paper diaper, it can be achieved that do not rise stick together, not broken, not delamination macromolecule
Compound core body and preparation method thereof.Polymer compound core body is equipped with dust-free paper surface layer, dust-free paper bottom and bulky nonwoven layer of cloth, swollen
Loose nonwoven layer is set between dust-free paper surface layer and dust-free paper bottom and is glued with dust-free paper surface layer and dust-free paper bottom adhesive,
It is uniformly impregnated with water-absorbing resin in bulky nonwoven layer of cloth.
Patent disclosed in above-mentioned two is all slow in the presence of the face layer seepage velocity with skin contact, causes urine infiltration slow, face
Layer is moist, and infiltration rate is low, causes human body uncomfortable.
Invention content
Based on background technology there are the problem of, that the purpose of the present invention is to provide a kind of osmotic effects is good, water-taking efficiency is high
Amenities Water-absorption core body and its preparation process.
For the attainment of one's purpose, technical solution provided by the invention is：
The present invention relates to a kind of amenities Water-absorption core body, the Water-absorption core body includes upper layer non-woven fabrics, middle layer without
Woven fabric and lower layer's dust-free paper pass through adhesive bond, middle layer non-woven fabrics between the upper layer non-woven fabrics and middle layer non-woven fabrics
With pass through adhesive bond between lower layer dust-free paper；The top infiltration of the middle layer non-woven fabrics has the first macromolecule water uptake tree
Fat, lower part infiltration have the second hydroscopic high-molecular resin, the grain size of the first hydroscopic high-molecular resin to be more than the second macromolecule water uptake tree
The grain size of fat, and the water absorbing properties of the first hydroscopic high-molecular resin are weaker than the water absorbing properties of the second hydroscopic high-molecular resin.
Preferably, the grain size of the first high score water-absorbing resin is 120~300mesh, the second hydroscopic high-molecular resin
Grain size is 100~120mesh；The water absorbent rate of first hydroscopic high-molecular resin is 50~180 times, the second hydroscopic high-molecular resin
Water absorbent rate be 110~260 times.
Preferably, the first hydroscopic high-molecular resin grain size is twice of the second hydroscopic high-molecular resin grain size.
Preferably, the grammes per square metre of lower layer's dust-free paper is 40~70g/m2, the grammes per square metre of middle layer non-woven fabrics is 40~60g/
m2, the grammes per square metre of upper layer non-woven fabrics is 20~30g/m2, the grammes per square metre of upper layer and lower layer binder is 2~3g/m2；First macromolecule is inhaled
The dosage of water-resin is 60~180g/m2, the dosage of the second hydroscopic high-molecular resin is 60~180g/m2。
Preferably, the binder is hot melt adhesive.
Preferably, the middle layer non-woven fabrics is thicker than upper layer non-woven fabrics.
A kind of preparation process of amenities Water-absorption core body, includes the following steps：
(1) hot melt adhesive is uniformly smeared in the upper side of dust-free paper, uniformly sprinkling second is high for the downside of middle layer non-woven fabrics
Molecule water-absorbing resin；
(2) dust-free paper and middle layer non-woven fabrics are pressed at a certain temperature by the first pressure roller and the second pressure roller so that
The upper side of dust-free paper and the downside of middle layer non-woven fabrics are bonded by hot melt adhesive；
(3) the first hydroscopic high-molecular resin, the downside of upper layer non-woven fabrics are uniformly sprayed in the upper side of middle layer non-woven fabrics
Uniformly smear hot melt adhesive in face；
(4) middle layer non-woven fabrics and upper layer non-woven fabrics are pressed at a certain temperature by third pressure roller and the 4th pressure roller,
So that the upper side of middle layer non-woven fabrics and the downside of upper layer non-woven fabrics are bonded by hot melt adhesive；
(5) it after cooling, winds to obtain amenities Water-absorption core body by wind-up roll.
Preferably, in the step (2), the temperature of the first pressure roller and the second pressure roller is 80~120 DEG C；The step (4)
In, the temperature of third pressure roller and the 4th pressure roller is 80~120 DEG C.
Preferably, the grammes per square metre of the dust-free paper is 40~70g/m2, the grammes per square metre of middle layer non-woven fabrics is 40~60g/m2, on
The grammes per square metre of layer non-woven fabrics is 20~30g/m2, the grammes per square metre of upper layer and lower layer hot melt adhesive is 2~3g/m2；First hydroscopic high-molecular resin
Dosage be 60~180g/m2, the dosage of the second hydroscopic high-molecular resin is 60~180g/m2。
Using technical solution provided by the invention, compared with prior art, have the advantages that：
1, the present invention sets gradually thin non-woven fabrics, thick non-woven fabrics and dust-free paper from top to bottom, allows liquid quickly from upper
The thin non-woven fabrics of layer penetrates into the thick non-woven fabrics of middle layer down so that keeps relatively dry with the thin non-woven fabrics in upper layer of skin contact
State keeps human body comfortable, and is absorbed to water on middle layer non-woven fabrics, and diffusion effect is always existed during Liquid Penetrant
Fruit is spread completely after the dust-free paper for reaching lower layer, and the liquid penetrated on dust-free paper can also be from the both ends reverse osmosis of Water-absorption core body
Middle layer non-woven fabrics is returned, moisture can be made quickly to absorb in this way, improve the absorption efficiency of Water-absorption core body.
2, the present invention permeates hydroscopic high-molecular resin in non-woven fabrics in the both sides up and down of middle layer non-woven fabrics, upside
Hydroscopic high-molecular resin grain size is big, and the hydroscopic high-molecular resin grain size of downside is small, therefore between the hydroscopic high-molecular resin of upside
Gap is big, liquid can run through the top half of middle layer non-woven fabrics and under ooze.Simultaneously because the macromolecule water uptake of upside
Resin is relatively weak, when liquid oozes under, thereon the hydroscopic high-molecular resin of part be unlikely to rapidly expand and close particle it
Between gap, be also convenient for penetration by liquid middle layer non-woven fabrics in this way and under ooze so that upper layer non-woven fabrics keeps dry condition, in this way
Human body can be more comfortable in wearing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the preparation process schematic diagram of the present invention；
Fig. 3 is the diffusion schematic diagram of water in the present invention in embodiment；
Mark explanation in schematic diagram：
The upper layers 1- non-woven fabrics；2- middle layer non-woven fabrics；3- dust-free papers；The first hydroscopic high-molecular resins of 4-；The second high scores of 5-
Sub- water-absorbing resin；6- hot melt adhesive；The first pressure rollers of 7-；The second pressure rollers of 8-；9- third pressure rollers；The 4th pressure rollers of 10-；11- wind-up rolls.
Specific implementation mode
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the embodiments, and following embodiment is used for
Illustrate the present invention, but is not limited to the scope of the present invention.
Embodiment 1：
According to Fig. 1, the present embodiment is related to a kind of amenities Water-absorption core body, the Water-absorption core body include upper layer without
Woven fabric 1, middle layer non-woven fabrics 2 and lower layer's dust-free paper 3, the thickness of middle layer non-woven fabrics 2 are twice of upper layer nonwoven thickness；Institute
The top infiltration for stating middle layer non-woven fabrics 2 has the first hydroscopic high-molecular resin 4, lower part infiltration to have the second hydroscopic high-molecular resin 5；
It is bonded by hot melt adhesive 6 between the upper layer non-woven fabrics 1 and middle layer non-woven fabrics 2,2 cloth of middle layer nonwoven and lower layer's dust-free paper 3
Between bonded by hot melt adhesive 6.
The average grain diameter of the first high score water-absorbing resin is 220mesh, and the grain size of the second hydroscopic high-molecular resin is
110mesh；The water absorbent rate of first hydroscopic high-molecular resin is 80 times, and the water absorbent rate of the second hydroscopic high-molecular resin is 200
Times.
The grammes per square metre of lower layer's dust-free paper is 50g/m2, the grammes per square metre of middle layer non-woven fabrics is 60g/m2, gram of upper layer non-woven fabrics
Weight is 25g/m2, the grammes per square metre of upper layer and lower layer binder is 2.5g/m2.The dosage of first hydroscopic high-molecular resin is 150g/m2,
The dosage of second hydroscopic high-molecular resin is 150g/m2。
As shown in figure 3, the top among amenities Water-absorption core body upper layer non-woven fabrics 1, pours into a mould the test of 80ml
Solution, test solution can quickly be permeated and be spread around down, and the overwhelming majority of upper layer non-woven fabrics 1 can be always maintained at dry
Refreshing, test solution is absorbed in middle layer non-woven fabrics 2, and the test solution for penetrating into lower layer's dust-free paper 3 starts reverse osmosis to middle layer
Non-woven fabrics 2 is absorbed.
According to the measurement of sliding milliosmolarity in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to baby diaper as sample by method, and it is (30 ± 2) ° that sample, which is placed in gradient,
Inclined plate on, using face-up, the central point both ends respectively away from Water-absorption core body in sample take 100mm as test zone, measure
50ml tests solution, makes the surface of the free runner sample of test solution, and flow along inclined-plane, through many experiments, finally measures
Sliding milliosmolarity is 13ml, is less than the 20ml of national standard.
According to the measurement of the amount of bleeding back in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to medium size baby paper diaper as sample, the test solution of 60ml is passed through leakage by method
Bucket freely flows to the surface at sample center, at 5 minutes, again with the test solution of funnel injection same amount, at 10 minutes, by diameter
If being put into the surface of sample for the dried layer filter paper of 100mm, while standard briquetting being pressed on filter paper, mark is removed when pressurizeing 1 minute
Quasi- briquetting, with this measurement method test of many times, the amount of bleeding back that is averaged for finally measuring sample is 6.1g, is less than the 10g of national standard.
According to the measurement of leakage in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to adult diaper as sample, sample is laid on level table, dosage by method
Cylinder measures 150ml and tests solution, and sample center is at the uniform velocity poured into 5 seconds, after five minutes, does not observe that sample surrounding has liquid
Body oozes out.
Comparative example 1：
Changing middle layer non-woven fabrics 2, all infiltration has the first hydroscopic high-molecular resin 4.The first high score water-absorbing resin
Average grain diameter is 220mesh, and the water absorbent rate of the first hydroscopic high-molecular resin is 80 times.The other the same as in Example 1.
According to the measurement of sliding milliosmolarity in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to baby diaper as sample by method, and it is (30 ± 2) ° that sample, which is placed in gradient,
Inclined plate on, using face-up, the central point both ends respectively away from Water-absorption core body in sample take 100mm as test zone, measure
50ml tests solution, makes the surface of the free runner sample of test solution, and flow along inclined-plane, through many experiments, finally measures
Sliding milliosmolarity is 30ml.
According to the measurement of the amount of bleeding back in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to medium size baby paper diaper as sample, the test solution of 60ml is passed through leakage by method
Bucket freely flows to the surface at sample center, at 5 minutes, again with the test solution of funnel injection same amount, at 10 minutes, by diameter
If being put into the surface of sample for the dried layer filter paper of 100mm, while standard briquetting being pressed on filter paper, mark is removed when pressurizeing 1 minute
Quasi- briquetting, with this measurement method test of many times, the amount of bleeding back that is averaged for finally measuring sample is 9.1g.
According to the measurement of leakage in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to adult diaper as sample, sample is laid on level table, dosage by method
Cylinder measures 150ml and tests solution, and sample center is at the uniform velocity poured into 5 seconds, after five minutes, observes that sample surrounding has liquid
Exudation.
Comparative example 2：
Changing middle layer non-woven fabrics 2, all infiltration has the second hydroscopic high-molecular resin 5.The grain of second hydroscopic high-molecular resin
Diameter is 110mesh, and the water absorbent rate of the second hydroscopic high-molecular resin is 200 times.The other the same as in Example 1.
According to the measurement of sliding milliosmolarity in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to baby diaper as sample by method, and it is (30 ± 2) ° that sample, which is placed in gradient,
Inclined plate on, using face-up, the central point both ends respectively away from Water-absorption core body in sample take 100mm as test zone, measure
50ml tests solution, makes the surface of the free runner sample of test solution, and flow along inclined-plane, through many experiments, finally measures
Sliding milliosmolarity is 35ml.
According to the measurement of the amount of bleeding back in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to medium size baby paper diaper as sample, the test solution of 60ml is passed through leakage by method
Bucket freely flows to the surface at sample center, at 5 minutes, again with the test solution of funnel injection same amount, at 10 minutes, by diameter
If being put into the surface of sample for the dried layer filter paper of 100mm, while standard briquetting being pressed on filter paper, mark is removed when pressurizeing 1 minute
Quasi- briquetting, with this measurement method test of many times, the amount of bleeding back that is averaged for finally measuring sample is 9.5g.
According to the measurement of leakage in National Standard of the People's Republic of China GB/T 28004-2011 paper diaper (piece, pad)
This amenities Water-absorption core body is fabricated to adult diaper as sample, sample is laid on level table, dosage by method
Cylinder measures 150ml and tests solution, and sample center is at the uniform velocity poured into 5 seconds, after five minutes, observes that sample surrounding has liquid
Exudation.
Embodiment 2：
According to Fig.2, the present embodiment is related to a kind of preparation process of amenities Water-absorption core body, includes the following steps：
(1) hot melt adhesive 6, the downside uniformly sprinkling second of middle layer non-woven fabrics 2 are uniformly smeared in the upper side of dust-free paper 3
Hydroscopic high-molecular resin 5；
(2) dust-free paper 3 and middle layer non-woven fabrics 2 are pressed at a temperature of 100 DEG C by the first pressure roller 7 and the second pressure roller 8
It closes so that the upper side of dust-free paper 3 and the downside of middle layer non-woven fabrics 2 are bonded by hot melt adhesive 6；
(3) under the upper side of middle layer non-woven fabrics 2 the first hydroscopic high-molecular resin 4 of uniform sprinkling, upper layer non-woven fabrics 1
Uniformly smear hot melt adhesive 6 in side；
(4) temperature by third pressure roller 9 and the 4th pressure roller 10 by middle layer non-woven fabrics 2 and upper layer non-woven fabrics 1 at 100 DEG C
Lower pressing so that the upper side of middle layer non-woven fabrics 2 and the downside of upper layer non-woven fabrics 1 are bonded by hot melt adhesive 6；
(5) after cooling, amenities Water-absorption core body is obtained by the winding of wind-up roll 11.
Selection grammes per square metre is 50g/m2Dust-free paper 3, selection grammes per square metre be 50g/m2Middle layer non-woven fabrics 2, choose grammes per square metre be
25g/m2Upper layer non-woven fabrics 1, the upper layer and lower layer hot melt adhesive grammes per square metre smeared is 2.5g/m2.First hydroscopic high-molecular resin
Dosage is 150g/m2, the dosage of the second hydroscopic high-molecular resin is 150g/m2。
Embodiment 3：
According to Fig.2, the present embodiment is related to a kind of preparation process of amenities Water-absorption core body, includes the following steps：
(1) hot melt adhesive 6, the downside uniformly sprinkling second of middle layer non-woven fabrics 2 are uniformly smeared in the upper side of dust-free paper 3
Hydroscopic high-molecular resin 5；
(2) dust-free paper 3 and middle layer non-woven fabrics 2 are pressed at a temperature of 120 DEG C by the first pressure roller 7 and the second pressure roller 8
It closes so that the upper side of dust-free paper 3 and the downside of middle layer non-woven fabrics 2 are bonded by hot melt adhesive 6；
(3) under the upper side of middle layer non-woven fabrics 2 the first hydroscopic high-molecular resin 4 of uniform sprinkling, upper layer non-woven fabrics 1
Uniformly smear hot melt adhesive 6 in side；
(4) temperature by third pressure roller 9 and the 4th pressure roller 10 by middle layer non-woven fabrics 2 and upper layer non-woven fabrics 1 at 120 DEG C
Lower pressing so that the upper side of middle layer non-woven fabrics 2 and the downside of upper layer non-woven fabrics 1 are bonded by hot melt adhesive 6；
(5) after cooling, amenities Water-absorption core body is obtained by the winding of wind-up roll 11.
Selection grammes per square metre is 60g/m2Dust-free paper 3, selection grammes per square metre be 60g/m2Middle layer non-woven fabrics 2, choose grammes per square metre be
30g/m2Upper layer non-woven fabrics 1, two layers of the hot melt adhesive grammes per square metre smeared is 3g/m2.The dosage of first hydroscopic high-molecular resin is
75g/m2, the dosage of the second hydroscopic high-molecular resin is 75g/m2。
Embodiment 4：
According to Fig.2, the present embodiment is related to a kind of preparation process of amenities Water-absorption core body, includes the following steps：
(1) hot melt adhesive 6, the downside uniformly sprinkling second of middle layer non-woven fabrics 2 are uniformly smeared in the upper side of dust-free paper 3
Hydroscopic high-molecular resin 5；
(2) dust-free paper 3 and middle layer non-woven fabrics 2 are pressed at a temperature of 80 DEG C by the first pressure roller 7 and the second pressure roller 8
It closes so that the upper side of dust-free paper 3 and the downside of middle layer non-woven fabrics 2 are bonded by hot melt adhesive 6；
(3) under the upper side of middle layer non-woven fabrics 2 the first hydroscopic high-molecular resin 4 of uniform sprinkling, upper layer non-woven fabrics 1
Uniformly smear hot melt adhesive 6 in side；
(4) temperature by third pressure roller 9 and the 4th pressure roller 10 by middle layer non-woven fabrics 2 and upper layer non-woven fabrics 1 at 80 DEG C
Lower pressing so that the upper side of middle layer non-woven fabrics 2 and the downside of upper layer non-woven fabrics 1 are bonded by hot melt adhesive 6；
(5) after cooling, amenities Water-absorption core body is obtained by the winding of wind-up roll 11.
Selection grammes per square metre is 40g/m2Dust-free paper 3, selection grammes per square metre be 40g/m2Middle layer non-woven fabrics 2, choose grammes per square metre be
20g/m2Upper layer non-woven fabrics 1, two layers of the hot melt adhesive grammes per square metre smeared is 2g/m2.The dosage of first hydroscopic high-molecular resin is
100g/m2, the dosage of the second hydroscopic high-molecular resin is 100g/m2。
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also embodiment of the present invention, and actual structure is not limited to this.So those skilled in the art by
It is enlightened, and without departing from the spirit of the invention, not inventively designs knot similar with the technical solution
Structure mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of amenities Water-absorption core body, which is characterized in that the Water-absorption core body includes upper layer non-woven fabrics, middle layer nonwoven
Cloth and lower layer's dust-free paper, by adhesive bond between the upper layer non-woven fabrics and middle layer non-woven fabrics, middle layer non-woven fabrics with
Pass through adhesive bond between lower layer's dust-free paper；The top infiltration of the middle layer non-woven fabrics has the first hydroscopic high-molecular resin,
Lower part infiltration has the second hydroscopic high-molecular resin, the grain size of the first hydroscopic high-molecular resin to be more than the second hydroscopic high-molecular resin
Grain size, and the water absorbing properties of the first hydroscopic high-molecular resin are weaker than the water absorbing properties of the second hydroscopic high-molecular resin.
2. amenities Water-absorption core body according to claim 1, which is characterized in that the grain of the first high score water-absorbing resin
Diameter is 120~300mesh, and the grain size of the second hydroscopic high-molecular resin is 100~120mesh；First hydroscopic high-molecular resin
Water absorbent rate is 50~180 times, and the water absorbent rate of the second hydroscopic high-molecular resin is 110~260 times.
3. amenities Water-absorption core body according to claim 2, which is characterized in that first hydroscopic high-molecular resin
Grain size is twice of the second hydroscopic high-molecular resin grain size.
4. amenities Water-absorption core body according to claim 1, which is characterized in that the grammes per square metre of lower layer's dust-free paper is 40
~70g/m2, the grammes per square metre of middle layer non-woven fabrics is 40~60g/m2, the grammes per square metre of upper layer non-woven fabrics is 20~30g/m2, upper layer and lower layer
The grammes per square metre of binder is 2~3g/m2；The dosage of first hydroscopic high-molecular resin is 60~180g/m2, the second macromolecule water uptake
The dosage of resin is 60~180g/m2。
5. amenities Water-absorption core body according to claim 1, which is characterized in that the binder is hot melt adhesive.
6. amenities Water-absorption core body according to claim 1, which is characterized in that the middle layer non-woven fabrics compares upper layer
Non-woven fabrics is thick.
7. the preparation process of amenities Water-absorption core body described in a kind of claim 1, which is characterized in that it includes the following steps：
(1) hot melt adhesive is uniformly smeared in the upper side of dust-free paper, the second macromolecule is uniformly sprayed in the downside of middle layer non-woven fabrics
Water-absorbing resin；
(2) dust-free paper and middle layer non-woven fabrics are pressed at a certain temperature by the first pressure roller and the second pressure roller so that dustless
The upper side of paper and the downside of middle layer non-woven fabrics are bonded by hot melt adhesive；
(3) in the upper side of middle layer non-woven fabrics, uniformly the first hydroscopic high-molecular resin of sprinkling, the downside of upper layer non-woven fabrics are equal
Even smearing hot melt adhesive；
(4) middle layer non-woven fabrics and upper layer non-woven fabrics are pressed at a certain temperature by third pressure roller and the 4th pressure roller so that
The upper side of middle layer non-woven fabrics and the downside of upper layer non-woven fabrics are bonded by hot melt adhesive；
(5) it after cooling, winds to obtain amenities Water-absorption core body by wind-up roll.
8. the preparation process of amenities Water-absorption core body according to claim 7, which is characterized in that in the step (2),
The temperature of first pressure roller and the second pressure roller is 80~120 DEG C；In the step (4), the temperature of third pressure roller and the 4th pressure roller is
80~120 DEG C.
9. the preparation process of amenities Water-absorption core body according to claim 7, which is characterized in that gram of the dust-free paper
Weight is 40~70g/m2, the grammes per square metre of middle layer non-woven fabrics is 40~60g/m2, the grammes per square metre of upper layer non-woven fabrics is 20~30g/m2, on
The grammes per square metre of lower two layers of hot melt adhesive is 2~3g/m2；The dosage of first hydroscopic high-molecular resin is 60~180g/m2, the second high score
The dosage of sub- water-absorbing resin is 60~180g/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462994.7A CN108553220A (en) | 2018-05-15 | 2018-05-15 | A kind of amenities Water-absorption core body and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462994.7A CN108553220A (en) | 2018-05-15 | 2018-05-15 | A kind of amenities Water-absorption core body and its preparation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108553220A true CN108553220A (en) | 2018-09-21 |
Family
ID=63538899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810462994.7A Pending CN108553220A (en) | 2018-05-15 | 2018-05-15 | A kind of amenities Water-absorption core body and its preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108553220A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116172793A (en) * | 2022-11-11 | 2023-05-30 | 露乐健康科技股份有限公司 | Extremely dry composite core and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050107759A1 (en) * | 2002-01-17 | 2005-05-19 | Andrew Waksmundzki | Absorbent article with three-dimensional extrudate forming sap containment wells |
| JP2014097241A (en) * | 2012-11-15 | 2014-05-29 | Kao Corp | Absorbent article |
| CN104382695A (en) * | 2014-12-11 | 2015-03-04 | 天津市中科健新材料技术有限公司 | Composite water absorbent paper for absorbent product, preparation method and application of composite water absorbent paper |
| CN104582658A (en) * | 2012-08-31 | 2015-04-29 | 株式会社利卫多公司 | Absorbent body and absorbent article using the same |
| CN106974773A (en) * | 2017-04-24 | 2017-07-25 | 泉州佰份佰卫生用品有限公司 | The compound core body and its forming method of disposable sanitary articles |
| CN107847905A (en) * | 2015-07-01 | 2018-03-27 | 株式会社日本触媒 | Particulate water-absorbing agent |
-
2018
- 2018-05-15 CN CN201810462994.7A patent/CN108553220A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050107759A1 (en) * | 2002-01-17 | 2005-05-19 | Andrew Waksmundzki | Absorbent article with three-dimensional extrudate forming sap containment wells |
| CN104582658A (en) * | 2012-08-31 | 2015-04-29 | 株式会社利卫多公司 | Absorbent body and absorbent article using the same |
| JP2014097241A (en) * | 2012-11-15 | 2014-05-29 | Kao Corp | Absorbent article |
| CN104382695A (en) * | 2014-12-11 | 2015-03-04 | 天津市中科健新材料技术有限公司 | Composite water absorbent paper for absorbent product, preparation method and application of composite water absorbent paper |
| CN107847905A (en) * | 2015-07-01 | 2018-03-27 | 株式会社日本触媒 | Particulate water-absorbing agent |
| CN106974773A (en) * | 2017-04-24 | 2017-07-25 | 泉州佰份佰卫生用品有限公司 | The compound core body and its forming method of disposable sanitary articles |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116172793A (en) * | 2022-11-11 | 2023-05-30 | 露乐健康科技股份有限公司 | Extremely dry composite core and preparation method thereof |
| CN116172793B (en) * | 2022-11-11 | 2024-02-13 | 露乐健康科技股份有限公司 | Extremely dry composite core and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104138312B (en) | The preparation method of composite water absorbing core body | |
| CN102462586A (en) | Paper diaper | |
| CN106109103A (en) | Diaper that a kind of antiseepage height is ventilative and preparation technology thereof | |
| CN105232232A (en) | A paper diaper capable of preventing accumulating and return leak | |
| CN206151698U (en) | Raw cotton true qualities urine trousers | |
| CN109223317A (en) | A kind of preparation method and its production equipment of compound absorptive core | |
| CN205322627U (en) | Sanitary material absorbs water | |
| CN112022509A (en) | Fixed-point penetrating type anti-reverse-seepage composite core body | |
| CN112402112A (en) | Sanitary towel with super-strong blood absorption and blood locking capabilities and preparation process thereof | |
| CN208372032U (en) | A kind of high-selenium corn high diffusivity absorbent article | |
| CN215230677U (en) | Absorbing article | |
| CN209301512U (en) | Diaper | |
| CN110638578A (en) | Novel structure of absorption article | |
| CN108553220A (en) | A kind of amenities Water-absorption core body and its preparation process | |
| CN106491274A (en) | A kind of spill-preventive breast pad | |
| CN207202999U (en) | Spill-preventive breast pad | |
| CN108938215A (en) | Absorptive core structure for disposable sanitary articles | |
| CN209405102U (en) | A kind of absorptive core and production equipment and the amenities comprising the absorptive core | |
| CN209392255U (en) | A kind of amenities Water-absorption core body | |
| CN111249069A (en) | Glue-free reverse-absorption water-absorbing core and preparation process thereof | |
| CN209611542U (en) | A kind of core of uniform water conservancy diversion | |
| CN219148240U (en) | Extremely dry composite core | |
| CN211433706U (en) | Paper diaper water absorption device | |
| CN209075175U (en) | A kind of amenities Water-absorption core body with curb | |
| CN203468876U (en) | Composite absorption core of ultrathin mini-sanitary-towel and ultrathin mini-sanitary-towel with composite absorption core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.165 Renmin Road, Yuqian Town, Lin'an District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou koala house trade Co., Ltd Address before: Hidden in the town of Ling'an City People's road, Hangzhou City, Zhejiang Province, No. 165 311311 Applicant before: HANGZHOU KAOLA ZHIWU INDUSTRIAL Co.,Ltd. |