CN101797201A - Polymer compound core body and preparation method thereof - Google Patents
Polymer compound core body and preparation method thereof Download PDFInfo
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- CN101797201A CN101797201A CN201010044865A CN201010044865A CN101797201A CN 101797201 A CN101797201 A CN 101797201A CN 201010044865 A CN201010044865 A CN 201010044865A CN 201010044865 A CN201010044865 A CN 201010044865A CN 101797201 A CN101797201 A CN 101797201A
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Abstract
The invention discloses a polymer compound core body and a preparation method thereof and relates to a polymer compound core body. The invention provides a polymer compound core body which is mainly used for paper diapers and panty diapers, the polymer compound core body which cam not form lump and can not be broken or delaminated and a preparation method thereof. The compound core body is provided with an airlaid paper surface layer, an airlaid paper bottom layer and a bulking non-woven fabric layer, wherein the bulking non-woven fabric layer is arranged between the airlaid paper surface layer and the airlaid paper bottom layer and is adhered to the airlaid paper surface layer and the airlaid paper bottom layer by an adhesive; and water absorbent resin is uniformly penetrated in the bulking non-woven fabric layer. Urine can be rapidly and completely penetrated to the polymer compound core body; the airlaid paper surface layer of the compound core body can effectively absorb the urine; a polymer water absorbent resin of the polymer compound core body can effectively absorb and store the urine; and the bulking non-woven fabric layer can ensure that the urine rapidly penetrates towards the direction of the bottom layer, thus the water-absorbing quantity is large, the surface layer is kept in a drier state and a human feels comfortable.
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 entered, and diffusion is slow; The easy delamination in top layer easily sticks together in the use, 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.Described 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.Described 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.
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, 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 bottom adhesive and is gluedd joint, and evenly is impregnated with water-absorbing resin in the bulk nonwoven layer.
Dust-free paper top layer and dust-free paper bottom are preferably all selected the dust-free paper that contains the ES fiber for use.
Water-absorbing resin is preferably hydroscopic high-molecular resin (SAP).
Bulk nonwoven layer is preferably the bulk non-woven fabrics of long fine water conservancy diversion.
The preparation method of polymer compound core body may further comprise the steps:
1) preparing that the dustless paper roll of bottom is placed in the bottom dust-free paper unreels on the tube, bulk nonwoven fabric roll is placed in bulk non-woven fabrics and unreels tube, the hydroscopic high-molecular resin (SAP) of all packing in preposition hydroscopic high-molecular resin screen tray and in the rearmounted hydroscopic high-molecular resin screen tray, 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 at last 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; 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) temperature that 2 rollers of the preposition hot pressing roller of process conditions are set is set at 160 °～190 ° on left roller respectively, 50 °～70 ° on right roller, the temperature of 2 rollers of rearmounted hot pressing roller is set at 160 °～190 ° of top rolls respectively, 70 °～90 ° of lower rolls, 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 (SAP) 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.
Compare with the existing polymer compound core body that is used for the paper napkin and diaper product, the top layer dust-free paper of polymer compound core body of the present invention can effectively suck urine, 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.Because the material of top layer dust-free paper and bottom dust-free paper can be the dust-free paper that contains the ES fiber owing to adopt above-mentioned preparation equipment and preparation method, ES fiber on the dust-free paper and the fiber on the bulk non-woven fabrics are behind spray glue, heat pressure adhesive, polymer compound core body can guarantee that bonding 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, 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, 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.
The preparation equipment of polymer compound core body of the present invention comprises that the bottom dust-free paper unreels tube, bottom dust-free paper glue spraying head, bulk non-woven fabrics and unreels tube, preposition hydroscopic high-molecular resin screen tray and air draught box, preposition hot pressing roller, rearmounted hydroscopic high-molecular resin screen tray and air draught box, top layer dust-free paper and unreel tube, top layer dust-free paper glue spraying head, rearmounted hot pressing roller, carving knife and finished product rolling tube, and air compressor machine and motor etc.Preposition hydroscopic high-molecular resin screen tray and rearmounted hydroscopic high-molecular resin screen tray are equipped with the frequency control proportioning device.
Description of drawings
Fig. 1 is the cross-sectional structure sketch map of embodiment of the invention polymer compound core body.
Fig. 2 is the cross-sectional structure sketch map of the paper napkin of use embodiment of the invention polymer compound core body.
Fig. 3 is the preparation flow sketch map of the embodiment of the invention.
The specific embodiment
Referring to Fig. 1, polymer compound core body is provided with dust-free paper top layer 41, dust-free paper bottom 42 and evenly is impregnated with the bulk nonwoven layer 43 of hydroscopic high-molecular resin (SAP) (among Fig. 1 shown in the pit).Bulk nonwoven layer 43 is the bulk non-woven fabrics of long fine water conservancy diversion, and bulk nonwoven layer 43 is located between dust-free paper top layer 41 and the dust-free paper bottom 42 and directly and is gluedd joint through adhesive with dust-free paper top layer 41 and dust-free paper bottom 42.The material on dust-free paper top layer 41 and dust-free paper bottom 42 are the dust-free paper that contains the ES fiber.
Referring to Fig. 2, polymer compound core body is used for the paper napkin makes.Be provided with integument 3 outside polymer compound core body, integument 3 is bonded with non-woven fabrics surface layer 1 for cross section is the integument of similar C font on integument 3 surfaces, is bonded with rete 2 (PE plastic foil) wrapping up in layer 3 bottom surface.Between bottom dust-free paper 42 and integument 3 inner bottom surfaces, also be provided with wood pulp mixing macromolecule layer 5, the described wood pulp mixing macromolecule layer wood pulp mixing macromolecule layer that to be wood pulp cellulose mix with hydroscopic high-molecular resin (SAP).The integument 3 of C font dual-side be anti-side leakage shelves limit.Also have above-mentioned outstanding advantage and remarkable result when making diaper with these paper napkin.
Referring to Fig. 3, the preparation equipment of polymer compound core body comprises that the bottom dust-free paper unreels that tube 6, bottom dust-free paper glue spraying head 7, bulk non-woven fabrics unreel tube 8, preposition hydroscopic high-molecular resin screen tray 9 unreels tube 15, top layer dust-free paper glue spraying head 16, rearmounted hot pressing roller 17 and 18, carving knife 19 and finished product rolling tube 20 with air draught box 10, preposition hot pressing roller 11 and 12, rearmounted hydroscopic high-molecular resin screen tray 13 with air draught box 14, top layer dust-free paper, 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 and rearmounted hydroscopic high-molecular resin screen tray 13 are equipped with RHVC (not drawing among Fig. 3).Each arrow among Fig. 3 represents respectively to unreel the direction of rotation of tube and rolling tube, and makes the traffic direction of material 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, hydroscopic high-molecular resin (SAP) P that all packs in preposition hydroscopic high-molecular resin screen tray 9 and in the rearmounted hydroscopic high-molecular resin screen tray 13, 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 at last through bottom dust-free paper glue spraying head 7, preposition hot pressing roller 11 and 12, rearmounted hydroscopic high-molecular resin screen tray 13 and air draught box 14, rearmounted hot pressing roller 17 and 18 and carving knife 19 and 20.One end of bulk nonwoven layer 43 is connected on the finished product rolling tube 21 then through preposition hydroscopic high-molecular resin screen tray 9 and air draught box 10, preposition hot pressing roller 11 and 12, rearmounted hydroscopic high-molecular resin screen tray 13 and air draught box 14, rearmounted hot pressing roller 17 and 18 and carving knife 19 and 20.One end of top layer dust-free paper 41 is connected on the finished product rolling tube 21 then through top layer dust-free paper glue spraying head 16, rearmounted hot pressing roller 17 and 18 and carving knife 19 and 20.
The temperature of 2 rollers of preposition hot pressing roller is set respectively: left roller 11 is 180 ° (can be 160 °～190 °), and right roller 12 is 60 ° (50 °～70 °).The temperature of 2 rollers of rearmounted hot pressing roller is set respectively: top roll 17 is 180 ° (can be 160 °～190 °), and lower roll 18 is 80 ° (can be 70 °～90 °).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.
Claims (5)
1. polymer compound core body, it is characterized in that being 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 bottom adhesive and is gluedd joint, and evenly is impregnated with water-absorbing resin in the bulk nonwoven layer.
2. polymer compound core body as claimed in claim 1 is characterized in that dust-free paper top layer and dust-free paper bottom are the dust-free paper that contains the ES fiber.
3. polymer compound core body as claimed in claim 1 is characterized in that water-absorbing resin is a hydroscopic high-molecular resin.
4. polymer compound core body as claimed in claim 1, its feature is the bulk non-woven fabrics of long fine water conservancy diversion in bulk nonwoven layer.
5. the preparation method of macromolecule composite core as claimed in claim 1 is characterized in that may further comprise the steps:
1) preparing that the dustless paper roll of bottom is placed in the bottom dust-free paper unreels on the tube, bulk nonwoven fabric roll is placed in bulk non-woven fabrics and unreels tube, the hydroscopic high-molecular resin of all packing in preposition hydroscopic high-molecular resin screen tray and in the rearmounted hydroscopic high-molecular resin screen tray, 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 at last 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; 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) temperature that 2 rollers of the preposition hot pressing roller of process conditions are set is set at 160 °～190 ° on left roller respectively, 50 °～70 ° on right roller, the temperature of 2 rollers of rearmounted hot pressing roller is set at 160 °～190 ° of top rolls respectively, 70 °～90 ° of lower rolls, 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010044865A CN101797201B (en) | 2010-01-21 | 2010-01-21 | Polymer compound core body and preparation method thereof |
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| CN201010044865A CN101797201B (en) | 2010-01-21 | 2010-01-21 | Polymer compound core body and preparation method thereof |
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| CN101797201A true CN101797201A (en) | 2010-08-11 |
| CN101797201B CN101797201B (en) | 2012-10-10 |
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| CN201010044865A Expired - Fee Related CN101797201B (en) | 2010-01-21 | 2010-01-21 | Polymer compound core body and preparation method thereof |
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| CN102600025A (en) * | 2012-03-16 | 2012-07-25 | 厦门兰海贸易有限公司 | Polymer composite core for paper diaper and preparation method of polymer composite core |
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| CN102743258A (en) * | 2012-07-13 | 2012-10-24 | 厦门兰海贸易有限公司 | Absorptive core applicable to paper diaper and sanitary towels |
| CN102973364A (en) * | 2012-10-24 | 2013-03-20 | 张霞明 | Manufacturing method of absorbing part of urine-proof product |
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| WO2022120693A1 (en) | 2020-12-10 | 2022-06-16 | The Procter & Gamble Company | Absorbent core comprising a high loft central layer and two different superabsorbent polymers |
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