CN102600025A - Polymer composite core for paper diaper and preparation method of polymer composite core - Google Patents
Polymer composite core for paper diaper and preparation method of polymer composite core Download PDFInfo
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- CN102600025A CN102600025A CN201210073354XA CN201210073354A CN102600025A CN 102600025 A CN102600025 A CN 102600025A CN 201210073354X A CN201210073354X A CN 201210073354XA CN 201210073354 A CN201210073354 A CN 201210073354A CN 102600025 A CN102600025 A CN 102600025A
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Abstract
The invention discloses a polymer composite core for a paper diaper and a preparation method of the polymer composite core, and relates to the polymer composite core. The polymer composite core is provided with a non-woven fabric surface layer, a non-woven fabric bottom layer and a bulky non-woven fabric layer, wherein the bulky non-woven fabric layer is arranged between the non-woven fabric surface layer and the non-woven fabric bottom layer, and is in composite connection with the non-woven fabric surface layer and the non-woven fabric bottom layer through hot-pressing or an adhesive and hot-pressing, water absorbing resins are permeated uniformly inside the bulky non-woven fabric layer, and surfaces of the non-woven fabric surface layer and the non-woven fabric bottom layer are both provided with knurling. Or the polymer composite core is provided with a non-woven fabric surface layer, a non-woven fabric bottom layer and a bulky non-woven fabric layer, wherein the bulky non-woven fabric layer is arranged between the non-woven fabric surface layer and the non-woven fabric bottom layer, and is in composite connection with the non-woven fabric surface layer and the non-woven fabric bottom layer through an adhesive, the water absorbing resins are permeated uniformly inside the bulky non-woven fabric layer, and the surfaces of the non-woven fabric surface layer and the non-woven fabric bottom layer are both provided with knurling.
Description
Technical field
The present invention relates to a kind of polymer compound core body, especially relate to a kind of polymer compound core body that is mainly used in the paper napkin and diaper and preparation method thereof.
Background technology
Polymer compound core body of many uses; At present; Be used for plaing on the paper napkin and the diaper polymer compound core body that absorbs the effect of storage urine and have some shortcomings: the structure of compound core body is reasonable inadequately, the macromolecule of compound core body is selected for use improper (absorbtivity is little, absorptions is slow) and skewness (owing to equipment performance); The bulk non-woven fabrics of selecting for use is improper, and macromolecule can't be got into, and diffusion is slow; The top layer is prone to delamination, is prone in the use stick together, agglomerating, fracture and cause the anxious shortcomings such as causing side leakage that absorbs of urine.
Publication number is that the application for a patent for invention of CN1658810 discloses a kind of multilamellar absorbent cores, and this absorbent cores contains synthetic fibers, to improve the liquid transfer performance of obtained absorbent article.The innermost layer of absorbent cores and/or the synthetic fibers in the intermediate layer have especially improved the rewetting performance of absorbing products.Said absorbent cores can join in many absorbent articles, comprises diaper, feminine hygiene and incontinence pad.
Publication number is that the application for a patent for invention of CN1649554 discloses a kind of disposable absorbent article such as sanitary towel, panty liners, baby diaper, adult incontinence product and antiperspirant pad.Be arranged in the absorbent article that its lip-deep appointment towards the wearer is used for the zone of liquid deposition and have a monolayer top flat, between the operating period of goods absorbed liquid is being positioned on this top flat.Absorbent article also comprises the egative film on formation liquid obscures surface and the one absorbent cores between top flat and egative film.Said one core has improved the liquid handling ability of absorbent article and has strengthened the screening effect of goods, promptly hides the ability of the spot that causes owing to the liquid that absorbs.These goods for the urine that is used to absorb high color intensity such as menstrual fluid or old man are especially useful.
Publication number is that the application for a patent for invention of CN101797201A discloses a kind of polymer compound core body and preparation method thereof, relates to a kind of polymer compound core body.A kind of paper napkin and diaper of being mainly used in is provided, can not realize sticking together, do not rupture, the polymer compound core body of not delamination and preparation method thereof.Polymer compound core body is provided with dust-free paper top layer, dust-free paper bottom and bulk nonwoven layer; Bulk nonwoven layer is located between dust-free paper top layer and the dust-free paper bottom and with dust-free paper top layer and dust-free paper layer glue stick and is gluedd joint, and evenly oozing in the bulk nonwoven layer has water-absorbing resin.Urine can infiltrate in the polymer compound core body quick and completely; The dust-free paper top layer of compound core body can effectively suck urine; The hydroscopic high-molecular resin layer of polymer compound core body can effectively absorb the storage urine, and bulk nonwoven layer can make urine fast toward the infiltration of bottom direction, so water absorption is big; And can make surface layer keep making human body comfortable than drying regime.
Summary of the invention
The purpose of this invention is to provide a kind of paper napkin and diaper of being mainly used in, can not realize sticking together, not rupture, not delamination be used for polymer compound core body of diaper and preparation method thereof.
First technical scheme of the present invention is: a kind of polymer compound core body that is used for diaper; Be provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and with the non-woven fabrics top layer and is connected with bottom layer of non-woven fabrics hot pressing is compound; Evenly oozing in the bulk nonwoven layer has water-absorbing resin, and the surface of non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing.
Said water-absorbing resin is a hydroscopic high-molecular resin; Said bulk nonwoven layer is the bulk non-woven fabrics of long fine water conservancy diversion.Said embossing is the concave point array.
The described a kind of method for preparing that is used for the macromolecule composite core of diaper of the present invention's first technical scheme may further comprise the steps:
1) prepares
To be placed in the bottom non-woven fabrics as the bottom nonwoven fabric roll of bottom unreels on the tube; To be placed in bulk non-woven fabrics as the bulk nonwoven fabric roll in intermediate layer unreels on the tube; In preposition hydroscopic high-molecular resin screen tray with rearmounted hydroscopic high-molecular resin screen tray in the hydroscopic high-molecular resin of all packing into, will be placed in the top layer non-woven fabrics as the top layer nonwoven fabric roll on top layer and unreel on the tube; One end of bottom nonwoven fabric roll is located on the finished product rolling tube through preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray, rearmounted hot pressing roller and carving knife at last; Be connected on the finished product rolling tube behind the preposition hydroscopic high-molecular resin screen tray of one end process of bulk nonwoven fabric roll, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray, rearmounted hot pressing roller and the carving knife; Be connected on the finished product rolling tube behind the one end rearmounted hot pressing roller of process of top layer nonwoven fabric roll and the carving knife;
2) process conditions are set
The temperature of 2 rollers of preposition hot pressing roller is set at 80～120 ℃ on left roller respectively; 80～120 ℃ on right roller; The temperature of 2 rollers of rearmounted hot pressing roller is set at 80～120 ℃ of top rolls respectively, and 80～120 ℃ of lower rolls are adjusted the RHVC of preposition hydroscopic high-molecular resin screen tray and rearmounted hydroscopic high-molecular resin screen tray; Make it to keep the frequency of vibration with finished product rolling tube linear velocity coupling, the hydroscopic high-molecular resin under guaranteeing to spill is evenly distributed on the bulk non-woven fabrics; 2 rollers of said preposition hot pressing roller and 2 rollers of rearmounted hot pressing roller are knurling rolls, and the surface of said knurling rolls is provided with pressure point;
3) starting device production
Starting device carries out the serialization operation, promptly obtains being used for the polymer compound core body of diaper.
Second technical scheme of the present invention is: a kind of polymer compound core body that is used for diaper; It is characterized in that being provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and is connected through adhesive and through hot pressing is compound with non-woven fabrics top layer and bottom layer of non-woven fabrics; Evenly oozing in the bulk nonwoven layer has water-absorbing resin, and the surface of non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing.
Said water-absorbing resin is a hydroscopic high-molecular resin; Said bulk nonwoven layer is the bulk non-woven fabrics of long fine water conservancy diversion.Said embossing is the concave point array.
The described a kind of method for preparing that is used for the macromolecule composite core of diaper of the present invention's second technical scheme may further comprise the steps:
1) prepares
The dustless paper roll of bottom is placed in the bottom dust-free paper to unreel on the tube; Bulk nonwoven fabric roll is placed in bulk non-woven fabrics and unreels tube; In preposition hydroscopic high-molecular resin screen tray with rearmounted hydroscopic high-molecular resin screen tray in the hydroscopic high-molecular resin of all packing into, the dustless paper roll in top layer is placed in the top layer dust-free paper and unreels on the tube; One end of the dustless paper roll of bottom is located on the finished product rolling tube through bottom dust-free paper glue spraying head, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray and air draught box, rearmounted hot pressing roller and carving knife at last; Be connected on the finished product rolling tube behind the one end process bottom dust-free paper glue spraying head of the dustless paper roll of bottom, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray and air draught box, rearmounted hot pressing roller and the carving knife; Be connected on the finished product rolling tube behind the one end preposition hydroscopic high-molecular resin screen tray of process of bulk nonwoven fabric roll and air draught box, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray and air draught box, rearmounted hot pressing roller and the carving knife; One end of the dustless paper roll in top layer through top layer dust-free paper glue spraying head, rearmounted hot pressing roller and carving knife after and be connected on the finished product rolling tube;
2) process conditions are set
The temperature of 2 rollers of preposition hot pressing roller is set at 80～120 ℃ on left roller respectively; 80～120 ℃ on right roller; The temperature of 2 rollers of rearmounted hot pressing roller is set at 80～120 ℃ of top rolls respectively, 80～120 ℃ of lower rolls, and the supply air pressure of bottom dust-free paper glue spraying head must be stable; Flux matched with spray glue, the atomizing effect of assurance glue; Adjust the RHVC of preposition hydroscopic high-molecular resin screen tray and rearmounted hydroscopic high-molecular resin screen tray, make it to keep the frequency of vibration with finished product rolling tube linear velocity coupling, the hydroscopic high-molecular resin under guaranteeing to spill is evenly distributed on the bulk non-woven fabrics;
3) starting device production
Starting device carries out the serialization operation, promptly obtains being used for the polymer compound core body of diaper.
The 3rd technical scheme of the present invention is: a kind of polymer compound core body that is used for diaper; Be provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and is connected through adhesive is compound with non-woven fabrics top layer and bottom layer of non-woven fabrics; Evenly oozing in the bulk nonwoven layer has water-absorbing resin, and the surface of non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing.
Said water-absorbing resin is a hydroscopic high-molecular resin; Said bulk nonwoven layer is the bulk non-woven fabrics of long fine water conservancy diversion.Said embossing is the concave point array.
The described a kind of method for preparing that is used for the macromolecule composite core of diaper of the present invention's the 3rd technical scheme can adopt conventional gluing mechanism to be equipped with.
Compare with the existing polymer compound core body that is used for the paper napkin and diaper product, the present invention has following outstanding advantage:
The top layer non-woven fabrics of polymer compound core body can effectively suck urine, and the hydroscopic high-molecular resin layer of compound core body can effectively absorb the storage urine, and bulk nonwoven layer can make urine fast toward especially bottom direction infiltration all around.Can make the product surface layer keep making human body comfortable during use than drying regime., adopts the material of top layer non-woven fabrics and bottom non-woven fabrics equipment and method for preparinies such as compound core body machine because can be the non-woven fabrics that contains the ES fiber; ES fiber on the non-woven fabrics and the fiber on the bulk non-woven fabrics are after hot pressing is compound; Polymer compound core body can guarantee to be connected firmly; Do not rise in the use stick together, not agglomerating, do not rupture, can not cause urine to come the anxious situation that causes side leakage that absorbs.Hydroscopic high-molecular resin is evenly distributed, and assimilation effect can significantly improve.When polymer compound core body of the present invention is used for the paper napkin and diaper product; Urine can infiltrate in the polymer compound core body quick and completely, and the non-woven fabrics top layer of compound core body can effectively suck urine, and the hydroscopic high-molecular resin layer of polymer compound core body can effectively absorb the storage urine; Bulk nonwoven layer can make urine fast toward the infiltration of bottom direction; Therefore water absorption is big, and can make surface layer keep making human body comfortable than drying regime.Hot pressing is compound to be connected because the intermediate layer is with non-woven fabrics top layer and bottom layer of non-woven fabrics, has avoided the employing adhesive to connect, and adopts non-woven fabrics to substitute dust-free paper, can guarantee feature of environmental protection saving trees resource like this, the also corresponding reduction of cost.Because the surface of non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing (like the concave point array), can absorb water fast like this, urine can be infiltrated in the intermediate layer by the non-woven fabrics top layer fast like this, and the non-woven fabrics top layer can be very fast dry, makes human body comfortable.The present invention can protect women and children healthy better.Compare with the polymer compound core body of existing dust-free paper top layer, dust-free paper bottom, under the situation of same specification, same grammes per square metre, the water absorbent rate of polymer compound core body of the present invention can obviously increase (more than 10%); Return the rate of oozing and obviously to reduce (more than 10%).
Description of drawings
Fig. 1 for the embodiment of the invention 1～3 be used for diaper the cross-sectional structure sketch map of polymer compound core body.
Fig. 2 is used for the preparation flow sketch map of the polymer compound core body of diaper for the embodiment of the invention 1.
Fig. 3 is used for the preparation flow sketch map of the polymer compound core body of diaper for the embodiment of the invention 2.
The specific embodiment
Embodiment 1 (first technical scheme of corresponding the invention described above)
Referring to Fig. 1, the polymer compound core body of the embodiment of the invention 1 is provided with non-woven fabrics top layer 41, bottom layer of non-woven fabrics 42 and evenly oozes hydroscopic high-molecular resin (SAP) is arranged the bulk non-woven fabrics intermediate layer 43 of (among Fig. 1 shown in the pit).Bulk non-woven fabrics intermediate layer 43 is the bulk non-woven fabrics of long fine water conservancy diversion, and bulk non-woven fabrics intermediate layer 43 is located between non-woven fabrics top layer 41 and the bottom layer of non-woven fabrics 42 and is connected through hot pressing is compound with non-woven fabrics top layer 41 and bottom layer of non-woven fabrics 42.The material on non-woven fabrics top layer 41 and bottom layer of non-woven fabrics 42 are the non-woven fabrics that contains the ES fiber.The surface of the material on non-woven fabrics top layer 41 and bottom layer of non-woven fabrics 42 all has concave point array (be embossing, do not draw)
Referring to Fig. 2; The equipment of the polymer compound core body of preparation embodiment 1 is the compound core body machine; The compound core body machine comprises and unreels tube 6, unreels tube 8, preposition hydroscopic high-molecular resin screen tray 9, preposition hot pressing roller (comprising left roller 11 and right roller 12), rearmounted hydroscopic high-molecular resin screen tray 13, unreels tube 15, rearmounted hot pressing roller (comprising top roll 17 and lower roll 18), carving knife 19 and finished product rolling tube 20, and air compressor machine (not drawing among Fig. 3) and motor (not drawing among Fig. 3) etc.Preposition hydroscopic high-molecular resin screen tray 9 is equipped with RHVC (not drawing among Fig. 3) with rearmounted hydroscopic high-molecular resin screen tray 13.Each arrow among Fig. 3 representes respectively to unreel the direction of rotation of tube and rolling tube, and the traffic direction of manufacturing materials in production procedure.
Embodiment 1 described method for preparing may further comprise the steps:
During production; To be placed in as the nonwoven fabric roll of bottom earlier and unreel on the tube 6; Be placed in as the bulk nonwoven fabric roll in intermediate layer and unreel on the tube 8; In preposition hydroscopic high-molecular resin screen tray 9 with rearmounted hydroscopic high-molecular resin screen tray 13 in hydroscopic high-molecular resin (SAP) P that all packs into, will be placed in as the top layer nonwoven fabric roll and unreel on the tube 15.Bottom layer of non-woven fabrics 42 1 ends are connected on the finished product rolling tube 21 through preposition hot pressing roller (comprising left roller 11 and right roller 12), rearmounted hydroscopic high-molecular resin screen tray 13, rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) and carving knife 19 and 20 at last.One end in bulk non-woven fabrics intermediate layer 43 is connected on the finished product rolling tube 21 through preposition hydroscopic high-molecular resin screen tray 9, preposition hot pressing roller (comprising left roller 11 and right roller 12), rearmounted hydroscopic high-molecular resin screen tray 13, rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) and carving knife 19 and 20 then.One end on non-woven fabrics top layer 41 is received on the finished product rolling tube 21 through rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) and carving knife 19 and 20 then.
The temperature of preposition hot pressing roller (comprising left roller 11 and right roller 12) is set respectively: left roller 11 is 100 ℃, and right roller 12 is 100 ℃.The temperature of rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) is set respectively: top roll 17 is 100 ℃, and lower roll 18 is 100 ℃.Adjust the RHVC of preposition hydroscopic high-molecular resin screen tray 9 and rearmounted hydroscopic high-molecular resin screen tray 13; Can make it to keep the frequency of vibration with finished product rolling tube 21 linear velocities coupling, thereby the hydroscopic high-molecular resin under guaranteeing to spill (SAP) P major part is evenly distributed in the middle of the bulk non-woven fabrics 43.
Starting device will seriality be produced finished product, polymer compound core body promptly of the present invention.
The temperature of above-mentioned left roller 11, right roller 12, top roll 17 and lower roll 18 also can adopt 80 ℃ or 120 ℃.
Embodiment 2 (second technical scheme of corresponding the invention described above)
Referring to Fig. 1, similar with embodiment 1, difference is, bulk non-woven fabrics intermediate layer 43 and non-woven fabrics top layer 41 and bottom layer of non-woven fabrics 42 are connected through adhesive and through hot pressing is compound.
Referring to Fig. 3; The preparation equipment of embodiment 2 described polymer compound core bodies is the compound core body machine; The compound core body machine comprises that the bottom dust-free paper unreels tube 6, bottom dust-free paper glue spraying head 7, bulk non-woven fabrics and unreels tube 8, preposition hydroscopic high-molecular resin screen tray 9, air draught box 10, preposition hot pressing roller (comprising left roller 11 and right roller 12), rearmounted hydroscopic high-molecular resin screen tray 13, air draught box 14, top layer dust-free paper and unreel tube 15, top layer dust-free paper glue spraying head 16, rearmounted hot pressing roller (comprising top roll 17 and lower roll 18), carving knife 19 and 20, finished product rolling tube 21 and air compressor machine (not drawing among Fig. 3) and motor (not drawing among Fig. 3) etc.Preposition hydroscopic high-molecular resin screen tray 9 is equipped with RHVC (not drawing among Fig. 3) with rearmounted hydroscopic high-molecular resin screen tray 13.Each arrow among Fig. 3 representes respectively to unreel the direction of rotation of tube and rolling tube, and the traffic direction of manufacturing materials in production procedure.
During production; Earlier the dustless paper roll of bottom being placed in the bottom dust-free paper unreels on the tube 6; Bulk nonwoven fabric roll is placed in bulk non-woven fabrics and unreels tube 8; In preposition hydroscopic high-molecular resin screen tray 9 with rearmounted hydroscopic high-molecular resin screen tray 13 in hydroscopic high-molecular resin (SAP) P that all packs into, the dustless paper roll in top layer is placed in the top layer dust-free paper and unreels on the tube 15.Bottom dust-free paper 42 1 ends are connected on the finished product rolling tube 21 through bottom dust-free paper glue spraying head 7, preposition hot pressing roller (comprising left roller 11 and right roller 12), rearmounted hydroscopic high-molecular resin screen tray 13 and air draught box 14, rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) and carving knife 19 and 20 at last.One end of bulk nonwoven layer 43 is connected on the finished product rolling tube 21 through preposition hydroscopic high-molecular resin screen tray 9 and air draught box 10, preposition hot pressing roller (comprising left roller 11 and right roller 12), rearmounted hydroscopic high-molecular resin screen tray 13 and air draught box 14, rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) and carving knife 19 and 20 then.One end of top layer dust-free paper 41 is taken on finished product rolling tube 21 through top layer dust-free paper glue spraying head 16, rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) and carving knife 19 and 20 then.
The temperature of preposition hot pressing roller (comprising left roller 11 and right roller 12) is set respectively: left roller 11 is 100 ℃, and right roller 12 is 100 ℃.The temperature of rearmounted hot pressing roller (comprising top roll 17 and lower roll 18) is set respectively: top roll 17 is 100 ℃, and lower roll 18 is 100 ℃.The supply air pressure of bottom dust-free paper glue spraying head 7 must be stable, and is flux matched with spray glue, guarantees the atomizing effect of glue.Adjust the RHVC of preposition hydroscopic high-molecular resin screen tray 9 and rearmounted hydroscopic high-molecular resin screen tray 13; Can make it to keep the frequency of vibration with finished product rolling tube 21 linear velocities coupling, thereby the hydroscopic high-molecular resin under guaranteeing to spill (SAP) P major part is evenly distributed in the middle of the bulk non-woven fabrics 43.
Starting device will seriality be produced the polymer compound core body finished product.
The temperature of above-mentioned left roller 11, right roller 12, top roll 17 and lower roll 18 also can adopt 80 ℃ or 120 ℃.
Embodiment 3 (the 3rd technical scheme of corresponding the invention described above)
Referring to Fig. 1, similar with embodiment 1, difference is, bulk non-woven fabrics intermediate layer 43 and non-woven fabrics top layer 41 and bottom layer of non-woven fabrics 42 are connected through adhesive is compound.
Embodiment 3 described polymer compound core bodies can adopt conventional gluing mechanism to be equipped with.
Claims (10)
1. polymer compound core body that is used for diaper; It is characterized in that being provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and with the non-woven fabrics top layer and is connected with bottom layer of non-woven fabrics hot pressing is compound; Evenly oozing in the bulk nonwoven layer has water-absorbing resin, and the surface of non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing.
2. a kind of polymer compound core body that is used for diaper as claimed in claim 1 is characterized in that said water-absorbing resin is a hydroscopic high-molecular resin; Said bulk nonwoven layer is the bulk non-woven fabrics of long fine water conservancy diversion.
3. a kind of polymer compound core body that is used for diaper as claimed in claim 1 is characterized in that said embossing is the concave point array.
4. a kind of method for preparing that is used for the polymer compound core body of diaper as claimed in claim 1 may further comprise the steps:
1) prepares
To not have nonwoven fabric roll as the bottom of bottom is placed in the bottom non-woven fabrics and unreels on the tube; To be placed in bulk non-woven fabrics as the bulk nonwoven fabric roll in intermediate layer unreels on the tube; In preposition hydroscopic high-molecular resin screen tray with rearmounted hydroscopic high-molecular resin screen tray in the hydroscopic high-molecular resin of all packing into, will be placed in the top layer non-woven fabrics as the top layer nonwoven fabric roll on top layer and unreel on the tube; One end of bottom nonwoven fabric roll is located on the finished product rolling tube through preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray, rearmounted hot pressing roller and carving knife at last; Be connected on the finished product rolling tube behind the preposition hydroscopic high-molecular resin screen tray of one end process of bulk nonwoven fabric roll, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray, rearmounted hot pressing roller and the carving knife; Be connected on the finished product rolling tube behind the one end rearmounted hot pressing roller of process of top layer nonwoven fabric roll and the carving knife;
2) process conditions are set
The temperature of 2 rollers of preposition hot pressing roller is set at 80～120 ℃ on left roller respectively; 80～120 ℃ on right roller; The temperature of 2 rollers of rearmounted hot pressing roller is set at 80～120 ℃ of top rolls respectively, and 80～120 ℃ of lower rolls are adjusted the RHVC of preposition hydroscopic high-molecular resin screen tray and rearmounted hydroscopic high-molecular resin screen tray; Make it to keep the frequency of vibration with finished product rolling tube linear velocity coupling, the hydroscopic high-molecular resin under guaranteeing to spill is evenly distributed on the bulk non-woven fabrics; 2 rollers of said preposition hot pressing roller and 2 rollers of rearmounted hot pressing roller are knurling rolls, and the surface of said knurling rolls is provided with pressure point.
3) starting device production
Starting device carries out the serialization operation, can obtain finished product, polymer compound core body promptly of the present invention.
5. polymer compound core body that is used for diaper; It is characterized in that being provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and is connected through adhesive and through hot pressing is compound with non-woven fabrics top layer and bottom layer of non-woven fabrics; Evenly oozing in the bulk nonwoven layer has water-absorbing resin, and the surface of non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing.
6. a kind of polymer compound core body that is used for diaper as claimed in claim 5 is characterized in that said water-absorbing resin is a hydroscopic high-molecular resin; Said bulk nonwoven layer is the bulk non-woven fabrics of long fine water conservancy diversion.
7. a kind of polymer compound core body that is used for diaper as claimed in claim 5 is characterized in that said embossing is the concave point array.
8. a kind of method for preparing that is used for the macromolecule composite core of diaper as claimed in claim 5 is characterized in that may further comprise the steps:
1) prepares
The dustless paper roll of bottom is placed in the bottom dust-free paper to unreel on the tube; Bulk nonwoven fabric roll is placed in bulk non-woven fabrics and unreels tube; In preposition hydroscopic high-molecular resin screen tray with rearmounted hydroscopic high-molecular resin screen tray in the hydroscopic high-molecular resin of all packing into, the dustless paper roll in top layer is placed in the top layer dust-free paper and unreels on the tube; One end of the dustless paper roll of bottom is located on the finished product rolling tube through bottom dust-free paper glue spraying head, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray and air draught box, rearmounted hot pressing roller and carving knife at last; Be connected on the finished product rolling tube behind the one end process bottom dust-free paper glue spraying head of the dustless paper roll of bottom, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray and air draught box, rearmounted hot pressing roller and the carving knife; Be connected on the finished product rolling tube behind the one end preposition hydroscopic high-molecular resin screen tray of process of bulk nonwoven fabric roll and air draught box, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray and air draught box, rearmounted hot pressing roller and the carving knife; One end of the dustless paper roll in top layer through top layer dust-free paper glue spraying head, rearmounted hot pressing roller and carving knife after and be connected on the finished product rolling tube;
2) process conditions are set
The temperature of 2 rollers of preposition hot pressing roller is set at 80～120 ℃ on left roller respectively; 80～120 ℃ on right roller; The temperature of 2 rollers of rearmounted hot pressing roller is set at 80～120 ℃ of top rolls respectively, 80～120 ℃ of lower rolls, and the supply air pressure of bottom dust-free paper glue spraying head must be stable; Flux matched with spray glue, the atomizing effect of assurance glue; Adjust the RHVC of preposition hydroscopic high-molecular resin screen tray and rearmounted hydroscopic high-molecular resin screen tray, make it to keep the frequency of vibration with finished product rolling tube linear velocity coupling, the hydroscopic high-molecular resin under guaranteeing to spill is evenly distributed on the bulk non-woven fabrics;
3) starting device production
Starting device carries out the serialization operation, can obtain finished product, a kind of polymer compound core body that is used for diaper promptly of the present invention.
9. polymer compound core body that is used for diaper; It is characterized in that being provided with non-woven fabrics top layer, bottom layer of non-woven fabrics and bulk nonwoven layer; Bulk nonwoven layer is located between non-woven fabrics top layer and the bottom layer of non-woven fabrics and is connected through adhesive is compound with non-woven fabrics top layer and bottom layer of non-woven fabrics; Evenly oozing in the bulk nonwoven layer has water-absorbing resin, and the surface of non-woven fabrics top layer and bottom layer of non-woven fabrics all has embossing.
10. a kind of polymer compound core body that is used for diaper as claimed in claim 9 is characterized in that said water-absorbing resin is a hydroscopic high-molecular resin; Said bulk nonwoven layer is the bulk non-woven fabrics of long fine water conservancy diversion; Said embossing is the concave point array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210073354XA CN102600025A (en) | 2012-03-16 | 2012-03-16 | Polymer composite core for paper diaper and preparation method of polymer composite core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210073354XA CN102600025A (en) | 2012-03-16 | 2012-03-16 | Polymer composite core for paper diaper and preparation method of polymer composite core |
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| CN102973364A (en) * | 2012-10-24 | 2013-03-20 | 张霞明 | Manufacturing method of absorbing part of urine-proof product |
| CN106038085A (en) * | 2016-08-04 | 2016-10-26 | 重庆百亚卫生用品股份有限公司 | Paper diaper core, paper diaper core manufacturing technology and viscose spraying technology |
| CN107260403A (en) * | 2017-07-28 | 2017-10-20 | 广东佰分爱卫生用品有限公司 | A kind of absorption macromolecule for paper diaper core body is uniformly injected into method and production equipment |
| CN107723923A (en) * | 2017-11-20 | 2018-02-23 | 潍坊杰高长纤维制品科技有限公司 | A kind of health composite absorbent material and preparation method |
| CN107757065A (en) * | 2017-12-02 | 2018-03-06 | 广东美登纸业有限公司 | Composite coated core production line |
| CN110179593A (en) * | 2019-07-08 | 2019-08-30 | 广东佳丝维新材料科技有限公司 | Super soft liquid absorbent wick and its preparation system and technique |
| CN111759586A (en) * | 2020-08-03 | 2020-10-13 | 泉州正平机械有限公司 | Online composite core body equipment |
| CN112641564A (en) * | 2020-12-08 | 2021-04-13 | 佛山市乐臣卫生用品有限公司 | Paper diaper composite core and preparation method thereof |
| WO2022250114A1 (en) * | 2021-05-26 | 2022-12-01 | 花王株式会社 | Absorbent sheet production device and production method |
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| CN102973364A (en) * | 2012-10-24 | 2013-03-20 | 张霞明 | Manufacturing method of absorbing part of urine-proof product |
| CN106038085A (en) * | 2016-08-04 | 2016-10-26 | 重庆百亚卫生用品股份有限公司 | Paper diaper core, paper diaper core manufacturing technology and viscose spraying technology |
| CN107260403A (en) * | 2017-07-28 | 2017-10-20 | 广东佰分爱卫生用品有限公司 | A kind of absorption macromolecule for paper diaper core body is uniformly injected into method and production equipment |
| CN107723923A (en) * | 2017-11-20 | 2018-02-23 | 潍坊杰高长纤维制品科技有限公司 | A kind of health composite absorbent material and preparation method |
| CN107757065A (en) * | 2017-12-02 | 2018-03-06 | 广东美登纸业有限公司 | Composite coated core production line |
| CN110179593A (en) * | 2019-07-08 | 2019-08-30 | 广东佳丝维新材料科技有限公司 | Super soft liquid absorbent wick and its preparation system and technique |
| CN111759586A (en) * | 2020-08-03 | 2020-10-13 | 泉州正平机械有限公司 | Online composite core body equipment |
| CN112641564A (en) * | 2020-12-08 | 2021-04-13 | 佛山市乐臣卫生用品有限公司 | Paper diaper composite core and preparation method thereof |
| WO2022250114A1 (en) * | 2021-05-26 | 2022-12-01 | 花王株式会社 | Absorbent sheet production device and production method |
| JP2022183108A (en) * | 2021-05-26 | 2022-12-08 | 花王株式会社 | Absorbent sheet production device and production method |
| JP7332757B2 (en) | 2021-05-26 | 2023-08-23 | 花王株式会社 | Absorbent sheet manufacturing apparatus and manufacturing method |
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