CN106974774A - Water-absorption core body of amenities and preparation method thereof - Google Patents

Water-absorption core body of amenities and preparation method thereof Download PDF

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Publication number
CN106974774A
CN106974774A CN201710271980.2A CN201710271980A CN106974774A CN 106974774 A CN106974774 A CN 106974774A CN 201710271980 A CN201710271980 A CN 201710271980A CN 106974774 A CN106974774 A CN 106974774A
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China
Prior art keywords
layer
intermediate layer
sap
grams
wood pulp
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CN201710271980.2A
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Chinese (zh)
Inventor
丁棋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Qiao Dong New Type Material Co Ltd
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Fujian Qiao Dong New Type Material Co Ltd
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Application filed by Fujian Qiao Dong New Type Material Co Ltd filed Critical Fujian Qiao Dong New Type Material Co Ltd
Priority to CN201710271980.2A priority Critical patent/CN106974774A/en
Publication of CN106974774A publication Critical patent/CN106974774A/en
Priority to PCT/CN2018/084101 priority patent/WO2018196714A1/en
Pending legal-status Critical Current

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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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging
    • 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
    • A61F13/15764—Transferring, feeding or handling devices; Drives
    • 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
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15463—Absorbency
    • 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
    • A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
    • A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
    • A61F2013/1591—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding via adhesive
    • 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
    • A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
    • A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
    • A61F2013/15991—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven in making composite multi-layered product
    • 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
    • A61F2013/530007—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 being made from pulp
    • 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 is for a kind of Water-absorption core body of amenities that moisture diffusion is good, absorptivity is high and preparation method thereof, including the top layer set gradually, intermediate layer, bottom, provided with SAP and wood pulp mixed layer between top layer and intermediate layer, SAP layers are provided between intermediate layer and bottom, top layer and bottom are non-woven fabrics or dust-free paper, and intermediate layer is non-woven fabrics or bulked cotton.The diffusivity moisturized by setting SAP and wood pulp mixed layer between top layer and intermediate layer of the present invention, wood pulp rapidly can come moisture diffusion, and the moisture after diffusion is absorbed by SAP, absorbs fast and SAP utilization rates high.Intermediate layer front and back sets the SAP layers of different-thickness respectively, and Water-absorption core body can absorb water by different level, it is to avoid all SAP are in same layer, and local water suction is excessive.Intermediate layer and wood pulp powder can be thermally bonded by hot pressing, it is to avoid wood pulp powder walks, the netted projection of pressure roller can by between bottom and intermediate layer, between top layer and intermediate layer the multiple latticed spaces of laminate layer, limit SAP movement.

Description

Water-absorption core body of amenities and preparation method thereof
Technical field
The present invention relates to hygiene article sector, more particularly, to be Water-absorption core body of amenities and preparation method thereof.
Background technology
Nursing pad and paper diaper are as conventional amenities, and general the inside is equipped with the core body of water suction, Water-absorption core body one As for non-woven fabrics enclose SAP particles composition.SAP is hydroscopic high-molecular resin, can absorb several times of own wt, hundreds times of water Point.But common Water-absorption core body moisture spreads relatively slowly thereon, and moisture absorption speed is slow, often there was only many water of local absorption Point, cause Water-absorption core body overall utilization rate low and easy local bulging.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of amenities that moisture diffusion is good, absorptivity is high Water-absorption core body and preparation method thereof.
To achieve the above object, technical solution of the invention is：The Water-absorption core body of amenities, including set gradually Top layer, intermediate layer, bottom, provided with SAP and wood pulp cellulose mixed layer between top layer and intermediate layer, set between intermediate layer and bottom There are SAP layers, top layer and bottom are non-woven fabrics or dust-free paper, intermediate layer is non-woven fabrics or bulked cotton.
It is preferred that, wet-strength paper is provided between top layer and mixed layer, wet-strength paper is provided between bottom and SAP layers.
The preparation method of the Water-absorption core body of amenities, comprises the following steps：
（1）Upper wood pulp cellulose：Intermediate layer is face-up layered on the negative pressure transportation band of negative pressure box, the front toward intermediate layer is uniform Wood pulp cellulose is spread, the addition of wood pulp cellulose is 10-50 grams/m；Wood pulp cellulose can be by wood pulp by solving fine obtain；
（2）Hot pressing：The intermediate layer for spreading wood pulp cellulose is sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 80-140 DEG C；
（3）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front in intermediate layer, dusting amount is 10-200 grams/m, SAP The size of powder is 40-100 mesh；
（4）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 1-4 grams/m, and the back side of top layer is attached to Semi-finished product are formed on the front in intermediate layer, semi-finished product are sent into top layer and intermediate laminate laminating in pressure roller；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side in intermediate layer upward, SAP is uniformly sprinkled at the back side in intermediate layer Powder, dusting amount is 50-250 grams/m；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 1-4 grams/m, and the back side of bottom is attached to Complex is formed on the back side in intermediate layer, complex, which is sent into pressure roller, makes bottom and intermediate laminate fit, and forms finished product.
It is preferred that, step（4）And step（6）Pressure roller be provided with netted projection.
A kind of preparation method of the Water-absorption core body of amenities, comprises the following steps：
（1）Upper wood pulp cellulose：Intermediate layer is face-up layered on the negative pressure transportation band of negative pressure box, the front toward intermediate layer is uniform Wood pulp cellulose is spread, the addition of wood pulp cellulose is 10-50 grams/m；
（2）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front in intermediate layer, dusting amount is 50-250 grams/m, SAP The size of powder is 40-100 mesh；
（3）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 1-3 grams/m, by grammes per square metre be 13-25 grams/ Square metre wet-strength paper be attached to the back side of top layer, PUR is sprayed on the wet-strength paper at the top layer back side, glue spraying amount is 2-5 grams/square Rice, the one side of the wet-strength paper of top layer is attached on the front in intermediate layer and forms semi-finished product；
（4）Hot pressing：Semi-finished product are sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 80-140 DEG C；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side in intermediate layer upward, SAP is uniformly sprinkled at the back side in intermediate layer Powder, dusting amount is 50-250 grams/m；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 1-3 grams/m, by grammes per square metre be 13-25 grams/ Square metre wet-strength paper be attached to the back side of bottom, spray PUR on the wet-strength paper at the back side of bottom, glue spraying amount is 2-5 grams/flat Square rice, the face of the wet-strength paper of bottom is attached on the back side in intermediate layer and forms complex, and complex, which is sent into pressure roller, makes bottom With intermediate laminate laminating, finished product is formed.
By using above-mentioned technical scheme, the beneficial effects of the invention are as follows：The present invention by top layer and intermediate layer Between set the mixed layer of SAP and wood pulp cellulose come the diffusivity moisturized, wood pulp cellulose can be rapidly by moisture diffusion Come, the moisture after diffusion is absorbed by SAP, absorb fast and SAP utilization rates high.Intermediate layer front and back sets different thickness respectively The SAP layers of degree, Water-absorption core body can absorb water by different level, it is to avoid all SAP are in same layer, and local water suction is excessive.Hot pressing can be by Interbed and wood pulp powder are thermally bonded, it is to avoid wood pulp powder walks, the netted projection of pressure roller can by between bottom and intermediate layer, top layer is with Multiple latticed spaces are pressed between interbed, the movement of limitation SAP powder is gathered.Wet-strength paper can increase overall toughness, reduce Deflection after Water-absorption core body water suction.
Brief description of the drawings
Nothing.
Embodiment
Specific examples below further illustrates the present invention.
Embodiment 1：
The Water-absorption core body of the amenities of the present invention, including top layer, intermediate layer, the bottom set gradually, top layer and intermediate layer it Between provided with SAP and wood pulp cellulose mixed layer, SAP layer are provided between intermediate layer and bottom, top layer and bottom are non-woven fabrics, intermediate layer For bulked cotton.
The preparation method of the Water-absorption core body of amenities, comprises the following steps：
（1）Upper wood pulp cellulose：Face-up by intermediate layer bulked cotton is layered on the negative pressure transportation band of negative pressure box, toward intermediate layer Positive uniformly to spread wood pulp cellulose, the addition of wood pulp cellulose is 10 grams/m；Wood pulp cellulose can be fine by solving by wood pulp Obtain；
（2）Hot pressing：The bulked cotton for spreading wood pulp cellulose is sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 80 DEG C；Make bulk Cotton and wood pulp cellulose are thermally bonded；
（3）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front of bulked cotton, dusting amount is 10 grams/m, SAP powder Size is 40 mesh；
（4）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 1 gram/m, the back side of top layer is attached to swollen Semi-finished product are formed on the front of loose cotton, semi-finished product are sent into by top layer and intermediate laminate laminating in pressure roller, pressure roller is provided with netted It is raised；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side of bulked cotton upward, SAP is uniformly sprinkled at the back side of bulked cotton Powder, dusting amount is 50 grams/m, and the size of SAP powder is 40 mesh；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 1 gram/m, during the back side of bottom is attached to Complex is formed on the back side of interbed, complex, which is sent into pressure roller, makes bottom and intermediate laminate fit, and is formed on finished product, pressure roller Provided with netted projection.
Embodiment 2：
The Water-absorption core body of the amenities of the present invention, including top layer, intermediate layer, the bottom set gradually, top layer and intermediate layer it Between provided with SAP and wood pulp cellulose mixed layer, SAP layer are provided between intermediate layer and bottom, top layer and bottom are dust-free paper, intermediate layer For non-woven fabrics.
The preparation method of the Water-absorption core body of amenities, comprises the following steps：
（1）Upper wood pulp cellulose：Intermediate layer is face-up layered on the negative pressure transportation band of negative pressure box, the front toward intermediate layer is uniform Wood pulp cellulose is spread, the addition of wood pulp cellulose is 50 grams/m；Wood pulp cellulose can be by wood pulp by solving fine obtain；
（2）Hot pressing：The intermediate layer for spreading wood pulp cellulose is sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 140 DEG C；Make centre Layer and wood pulp cellulose are thermally bonded；
（3）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front in intermediate layer, dusting amount is 200 grams/m, SAP powder Size is 100 mesh；
（4）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 4 grams/m, during the back side of top layer is attached to Semi-finished product are formed on the front of interbed, semi-finished product are sent into by top layer and intermediate laminate laminating in pressure roller, pressure roller is provided with netted It is raised；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side in intermediate layer upward, SAP is uniformly sprinkled at the back side in intermediate layer Powder, dusting amount is 250 grams/m, and the size of SAP powder is 100 mesh；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 4 grams/m, during the back side of bottom is attached to Complex is formed on the back side of interbed, complex, which is sent into pressure roller, makes bottom and intermediate laminate fit, and is formed on finished product, pressure roller Provided with netted projection.
Embodiment 3：
The Water-absorption core body of amenities, including top layer, intermediate layer, the bottom set gradually, are provided with SAP between top layer and intermediate layer With wood pulp cellulose mixed layer, SAP layers are provided between intermediate layer and bottom, top layer and bottom are non-woven fabrics or dust-free paper, intermediate layer For non-woven fabrics or bulked cotton, wet-strength paper is provided between top layer and mixed layer, wet-strength paper is provided between bottom and SAP layers.
The preparation method of the Water-absorption core body of above-mentioned amenities, comprises the following steps：
（1）Upper wood pulp cellulose：Intermediate layer is face-up layered on the negative pressure transportation band of negative pressure box, the front toward intermediate layer is uniform Wood pulp cellulose is spread, the addition of wood pulp cellulose is 10 grams/m；
（2）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front in intermediate layer, dusting amount is 50 grams/m, SAP powder Size is 40 mesh；
（3）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 1 gram/m, is 13 grams/m by grammes per square metre Wet-strength paper be attached to the back side of top layer, PUR is sprayed on the wet-strength paper at the top layer back side, glue spraying amount is 2 grams/m, by top layer Wet-strength paper one side be attached to intermediate layer front on form semi-finished product；
（4）Hot pressing：Semi-finished product are sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 80 DEG C；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side in intermediate layer upward, SAP is uniformly sprinkled at the back side in intermediate layer Powder, dusting amount is 50 grams/m；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 1 gram/m, is 13 grams/m by grammes per square metre Wet-strength paper be attached to the back side of bottom, PUR is sprayed on the wet-strength paper at the back side of bottom, glue spraying amount is 2 grams/m, the bottom of by The face of the wet-strength paper of layer, which is attached on the back side in intermediate layer, forms complex, and complex, which is sent into pressure roller, makes bottom and intermediate laminate Laminating, forms finished product.
Embodiment 4：
The Water-absorption core body of amenities, including top layer, intermediate layer, the bottom set gradually, are provided with SAP between top layer and intermediate layer With wood pulp cellulose mixed layer, SAP layers are provided between intermediate layer and bottom, top layer and bottom are non-woven fabrics or dust-free paper, intermediate layer For non-woven fabrics or bulked cotton, wet-strength paper is provided between top layer and mixed layer, wet-strength paper is provided between bottom and SAP layers.
The preparation method of the Water-absorption core body of above-mentioned amenities, comprises the following steps：
（1）Upper wood pulp cellulose：Intermediate layer is face-up layered on the negative pressure transportation band of negative pressure box, the front toward intermediate layer is uniform Wood pulp cellulose is spread, the addition of wood pulp cellulose is 50 grams/m；
（2）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front in intermediate layer, dusting amount is 250 grams/m, SAP powder Size is 100 mesh；
（3）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 3 grams/m, is 25 grams/m by grammes per square metre Wet-strength paper be attached to the back side of top layer, PUR is sprayed on the wet-strength paper at the top layer back side, glue spraying amount is 5 grams/m, by top layer Wet-strength paper one side be attached to intermediate layer front on form semi-finished product；
（4）Hot pressing：Semi-finished product are sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 140 DEG C；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side in intermediate layer upward, SAP is uniformly sprinkled at the back side in intermediate layer Powder, dusting amount is 250 grams/m；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 3 grams/m, is 25 grams/m by grammes per square metre Wet-strength paper be attached to the back side of bottom, PUR is sprayed on the wet-strength paper at the back side of bottom, glue spraying amount is 5 grams/m, the bottom of by The face of the wet-strength paper of layer, which is attached on the back side in intermediate layer, forms complex, and complex, which is sent into pressure roller, makes bottom and intermediate laminate Laminating, forms finished product.
It is above-described, only presently preferred embodiments of the present invention, it is impossible to limit the scope that the present invention is implemented, it is every according to Equivalent change and decoration that scope of the present invention patent is made, should all still fall within the range of the present invention covers.

Claims (5)

1. the Water-absorption core body of amenities, it is characterised in that：Including the top layer set gradually, intermediate layer, bottom, top layer and centre Provided with SAP and wood pulp cellulose mixed layer between layer, be provided with SAP layer between intermediate layer and bottom, top layer and bottom for non-woven fabrics or Dust-free paper, intermediate layer is non-woven fabrics or bulked cotton.
2. a kind of Water-absorption core body of amenities according to claim 1, it is characterised in that：Set between top layer and mixed layer There is wet-strength paper, wet-strength paper is provided between bottom and SAP layers.
3. a kind of preparation method of the Water-absorption core body of amenities according to claim 1, comprises the following steps：
（1）Upper wood pulp cellulose：Intermediate layer is face-up layered on the negative pressure transportation band of negative pressure box, the front toward intermediate layer is uniform Wood pulp cellulose is spread, the addition of wood pulp cellulose is 10-50 grams/m；
（2）Hot pressing：The intermediate layer for spreading wood pulp cellulose is sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 80-140 DEG C；
（3）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front in intermediate layer, dusting amount is 10-200 grams/m, SAP The size of powder is 40-100 mesh；
（4）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 1-4 grams/m, and the back side of top layer is attached to Semi-finished product are formed on the front in intermediate layer, semi-finished product are sent into top layer and intermediate laminate laminating in pressure roller；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side in intermediate layer upward, SAP is uniformly sprinkled at the back side in intermediate layer Powder, dusting amount is 50-250 grams/m；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 1-4 grams/m, and the back side of bottom is attached to Complex is formed on the back side in intermediate layer, complex, which is sent into pressure roller, makes bottom and intermediate laminate fit, and forms finished product.
4. the preparation method of the Water-absorption core body of amenities according to claim 3, it is characterised in that：Step（4）And step Suddenly（6）Pressure roller be provided with netted projection.
5. a kind of preparation method of the Water-absorption core body of amenities according to claim 2, comprises the following steps：
（1）Upper wood pulp cellulose：Intermediate layer is face-up layered on the negative pressure transportation band of negative pressure box, the front toward intermediate layer is uniform Wood pulp cellulose is spread, the addition of wood pulp cellulose is 10-50 grams/m；
（2）Upper first layer SAP powder：SAP powder is uniformly sprinkled in the front in intermediate layer, dusting amount is 50-250 grams/m, SAP The size of powder is 40-100 mesh；
（3）Paste top layer：In one layer of PUR of back spraying of top layer, glue spraying amount is 1-3 grams/m, by grammes per square metre be 13-25 grams/ Square metre wet-strength paper be attached to the back side of top layer, PUR is sprayed on the wet-strength paper at the top layer back side, glue spraying amount is 2-5 grams/square Rice, the one side of the wet-strength paper of top layer is attached on the front in intermediate layer and forms semi-finished product；
（4）Hot pressing：Semi-finished product are sent into hot pressing is carried out in hot-pressing roller, hot pressing temperature is 80-140 DEG C；
（5）Upper second layer SAP powder：Semi-finished product are overturn, the back side in intermediate layer upward, SAP is uniformly sprinkled at the back side in intermediate layer Powder, dusting amount is 50-250 grams/m；
（6）Paste bottom：In one layer of PUR of back spraying of bottom, glue spraying amount is 1-3 grams/m, by grammes per square metre be 13-25 grams/ Square metre wet-strength paper be attached to the back side of bottom, spray PUR on the wet-strength paper at the back side of bottom, glue spraying amount is 2-5 grams/flat Square rice, the face of the wet-strength paper of bottom is attached on the back side in intermediate layer and forms complex, and complex, which is sent into pressure roller, makes bottom With intermediate laminate laminating, finished product is formed.
CN201710271980.2A 2017-04-24 2017-04-24 Water-absorption core body of amenities and preparation method thereof Pending CN106974774A (en)

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