CN104723618A - Special composite material for absorbing liquid and production method thereof - Google Patents
Special composite material for absorbing liquid and production method thereof Download PDFInfo
- Publication number
- CN104723618A CN104723618A CN201510077663.8A CN201510077663A CN104723618A CN 104723618 A CN104723618 A CN 104723618A CN 201510077663 A CN201510077663 A CN 201510077663A CN 104723618 A CN104723618 A CN 104723618A
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- Prior art keywords
- layer
- cloth
- composite
- pur
- sap
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- 239000002131 composite material Substances 0.000 title claims abstract description 77
- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 85
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000002245 particle Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000000047 product Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 150000001875 compounds Chemical class 0.000 claims description 20
- 239000004745 nonwoven fabric Substances 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 13
- 239000011265 semifinished product Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 239000012943 hotmelt Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 229920001131 Pulp (paper) Polymers 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- MRWXACSTFXYYMV-FDDDBJFASA-N nebularine Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1C2=NC=NC=C2N=C1 MRWXACSTFXYYMV-FDDDBJFASA-N 0.000 claims 7
- 229920000742 Cotton Polymers 0.000 abstract description 3
- 230000000474 nursing effect Effects 0.000 abstract description 2
- 239000004831 Hot glue Substances 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 238000005213 imbibition Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001223 reverse osmosis Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ceramic Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a special composite material for absorbing liquid. The special composite material comprises a composite material body, wherein the composite material body comprises a hot-air fluffy non-woven cloth layer; the upper surface and the lower surface of the hot-air fluffy non-woven cloth layer are respectively sprayed with SAP particles to form an upper SAP water-absorbing resin layer and a lower SAP water-absorbing resin layer; the upper SAP water-absorbing resin layer is provided with a flow-guiding non-woven cloth layer which has a flow guiding structure and can enable the liquid on the surface to permeate in a directional and fast manner; a wood-cotton fiber cloth layer is arranged under the lower SAP water-absorbing resin layer; the flow-guiding non-woven cloth layer, the upper SAP water-absorbing resin layer, the hot-air fluffy non-woven cloth layer, the lower SAP water-absorbing resin layer and the wood-cotton fiber cloth layer are bonded by hot-melt adhesive under certain temperature and pressure and are laminated into a composite liquid-absorbing and flow-guiding material with a five-layer composite structure. The special composite material disclosed by the invention has the advantages that the production method is simple, the processes are fewer, the production efficiency is high, and a product can be widely used as a main liquid-absorbing and flow-guiding material in diapers and urinal pads of infants and adults, a liquid-absorbing and flow-guiding material of liquid-absorbing pads in hygienic products for women and nursing and hygienic products for clinics.
Description
Technical field
The present invention relates to a kind of field of nonwoven fabric technology, particularly relate to a kind of imbibition material of Multi-layer composite, specifically a kind of special composite material of absorbing fluid and production method thereof.
Background technology
Non-woven fabrics is also known as adhesive-bonded fabric, be made up of orientation or random fiber, be environment-friendly materials of new generation, there is protection against the tide, ventilative, pliable and tough, light weight, not combustion-supporting, easy decomposition, nontoxic nonirritant, rich color, the feature such as to use again cheap, capable of circulation.As adopted polypropylene (pp material) pellet to be raw material more, batch continuous one-step produce through high-temperature fusion, spray silk, paving guiding principle, hot pressing.Cloth is called because having the outward appearance of cloth and some performance.Non-woven fabrics a kind ofly does not need to spin cotton and weave cloth and the fabric that formed, just textile staple or long filament carried out orientation or support row at random, forming fibre net structure, then adopts machinery, the method such as hot sticky or chemical reinforces and form.Non-weaving cloth breaches traditional weaving principle, and have that technological process is short, throughput rate is fast, the features such as output is high, cost is low, purposes is wide, raw material sources are many.
An important application of non-woven fabrics is on production amenities, it not only may be used for the subsides skin material producing amenities, can also as the liquid absorbent wick producing amenities, and as producing the liquid absorbent wick of amenities, require that the absorbency of material is good, liquid reverse osmosis amount is little, water conservancy diversion is fast.
Summary of the invention
Technical problem to be solved by this invention is the present situation for above-mentioned prior art, and provide liquid absorption large, absorb that directed controllability is strong, reverse osmosis amount is little and after imbibition, occupy special composite material and the production method thereof that volume is little, liquid storage amount large, surface dry does not soak a kind of absorbing fluid of skin.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of special composite material of absorbing fluid, comprise composite body, composite body comprises middle hot blast loft non-woven layer of cloth, upper surface and the lower surface of this hot blast loft non-woven layer of cloth have all sprayed SAP particle and have been formed with SAP water-absorbing resin layer and lower SAP water-absorbing resin layer, upper SAP water-absorbing resin layer is provided with has the water conservancy diversion nonwoven layer that flow-guiding structure can make the directed infiltration fast of surface liquid, lower SAP water-absorbing resin layer has bombax cotton layer of cloth, water conservancy diversion nonwoven layer, upper SAP water-absorbing resin layer, the fluffy layer of cloth of hot blast, lower SAP water-absorbing resin layer and bombax cotton layer of cloth are pressed into the composite liquid sucking fluid conducting material with five layers of composite construction through melt viscosity merging under uniform temperature and pressure.
For optimizing technique scheme, the measure taked also comprises:
The weight of above-mentioned SAP particle is 100 grams/m, and in composite liquid sucking fluid conducting material, SAP granule content is 25% to 65%.
Above-mentioned hot blast loft non-woven layer of cloth be the elasticity ES filament of skin-core structure through the shaping high-elasticity non-woven fabric of hot blast adhesion, in the filametntary fibrocortex of elasticity ES or have at least in core fiber layer in a fibrage to add and have propylene base class plastics elastic body material.
The fusing point of above-mentioned PUR is 90 degrees Celsius to 120 degrees Celsius, and apparent density is 0.48 gram/cc to 0.52 gram/cc,
angle of reposeit is 30 degree to 35 degree; Adhesive strength is 2.0 kilograms/25 millimeters to 2.5 kilograms/25 millimeters.
Above-mentioned water conservancy diversion nonwoven layer is adopt hot blast adhesion and the hot-wind nonwoven cloth with concave convex groove flow-guiding structure of roll forming by wood pulp and short fiber, the thickness of water conservancy diversion nonwoven layer is 0.2 millimeter to 0.5 millimeter, be quantitatively 30 grams/m to 40 grams/m, under the time of oozing be 0.1 second.
The production method of the special composite material of a kind of absorbing fluid of the present invention, the method comprises the following steps:
A), PUR is put into hot melt case heating make PUR melting and the first PUR spray gun is connected with hot melt case with the second PUR spray gun, SAP particle is added respectively in the first hopper and the second hopper, and hot blast loft non-woven cloth, bombax cotton cloth and guide layer non-woven fabrics are positioned over respectively lead accordingly in open-shelf;
B), hot blast loft non-woven cloth rolls after guiding expansion through the first hopper through the first selvage guide, SAP particle in first hopper sprays on hot blast loft non-woven cloth, bombax cotton cloth rolls after guiding expansion through the first PUR spray gun through the second selvage guide, the PUR of melting sprays on bombax cotton cloth by the first PUR spray gun, spray to have the hot blast loft non-woven cloth of SAP particle and spray has the bombax cotton cloth of PUR to be pressed into the semi-finished product composite with hot blast loft non-woven layer of cloth and lower SAP water-absorbing resin layer and bombax cotton layer of cloth through the first compound rolling roll simultaneously,
C), semi-finished product composite rolls after commutation through the second hopper through the 3rd selvage guide, SAP particle in second hopper sprays on the hot blast loft non-woven layer of cloth of semi-finished product composite, guide layer non-woven fabrics rolls after guiding expansion through the second PUR spray gun through the 4th selvage guide simultaneously, the PUR of melting sprays on guide layer non-woven fabrics by the second PUR spray gun, spraying has the guide layer non-woven fabrics of PUR and spraying to have the semi-finished product composite of SAP particle to be pressed into when the second compound roll compacting is rolled and has water conservancy diversion nonwoven layer, upper SAP water-absorbing resin layer, the fluffy layer of cloth of hot blast, the composite liquid sucking fluid conducting material of lower SAP water-absorbing resin layer and bombax cotton layer of cloth five layers of composite construction,
D), composite liquid sucking fluid conducting material coils into yardage roll by composite coiling machine after the 5th selvage guide rolls guiding, finally obtains this product.
Carving knife is provided with before above-mentioned composite coiling machine; The temperature of hot melt case is 120 degrees Celsius to 170 degrees Celsius.
The first above-mentioned PUR spray gun and the temperature of the second PUR spray gun are 90 degrees Celsius to 120 degrees Celsius, and expulsion pressure is 0.2 MPa to 0.6 MPa.
The rotating speed that the first above-mentioned compound rolling roll and the second compound roll compacting are rolled is 20 revs/min to 40 revs/min.
The pressure that the first above-mentioned compound rolling roll and the second compound roll compacting are rolled is 0.2 MPa to 0.6 MPa.
Compared with prior art, composite body of the present invention comprises middle hot blast loft non-woven layer of cloth, upper surface and the lower surface of this hot blast loft non-woven layer of cloth have all sprayed SAP particle and have been formed with SAP water-absorbing resin layer and lower SAP water-absorbing resin layer, upper SAP water-absorbing resin layer is provided with has the water conservancy diversion nonwoven layer that flow-guiding structure can make the directed infiltration fast of surface liquid, lower SAP water-absorbing resin layer has bombax cotton layer of cloth, water conservancy diversion nonwoven layer, upper SAP water-absorbing resin layer, the fluffy layer of cloth of hot blast, lower SAP water-absorbing resin layer and bombax cotton layer of cloth are pressed into the composite liquid sucking fluid conducting material with five layers of composite construction through melt viscosity merging under uniform temperature and pressure.Advantage of the present invention is: the directed controllability of tool liquid absorption and liquid absorption is very large, and during product skin contact, damp is very little, and surface dry does not soak skin, only occupies less volume after imbibition; Bombax cotton is adopted to do absorbing material.
Accompanying drawing explanation
Fig. 1 is composite construction schematic diagram of the present invention;
Fig. 2 is the schematic flow sheet of production technology of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 to Fig. 2 is Structure and energy schematic flow sheet of the present invention.
Reference numeral is wherein: hot blast loft non-woven cloth A, hot blast loft non-woven layer of cloth 11, SAP particle 2, upper SAP water-absorbing resin layer 21, lower SAP water-absorbing resin layer 22, guide layer non-woven fabrics 3, water conservancy diversion nonwoven layer 31, bombax cotton cloth 4, bombax cotton layer of cloth 41, PUR 5, first PUR spray gun 61, second PUR spray gun 62, first hopper 71, second hopper 72, first selvage guide rolls 81, second selvage guide rolls 82, 3rd selvage guide rolls 83, 4th selvage guide rolls 84, 5th selvage guide rolls leads 85, first compound rolling roll 91, second compound roll compacting rolls 92, composite coiling machine 93.
The special composite material of a kind of absorbing fluid of the present invention, comprise composite body A, composite body A comprises middle hot blast loft non-woven layer of cloth 11, upper surface and the lower surface of this hot blast loft non-woven layer of cloth 11 have all sprayed SAP particle 2 and have been formed with SAP water-absorbing resin layer 21 and lower SAP water-absorbing resin layer 22, upper SAP water-absorbing resin layer 21 is provided with has the water conservancy diversion nonwoven layer 31 that flow-guiding structure can make the directed infiltration fast of surface liquid, lower SAP water-absorbing resin layer 22 has bombax cotton layer of cloth 41, water conservancy diversion nonwoven layer 31, upper SAP water-absorbing resin layer 21, the fluffy layer of cloth 11 of hot blast, lower SAP water-absorbing resin layer 22 and bombax cotton layer of cloth 41 bond through PUR 5 and are pressed into the composite liquid sucking fluid conducting material with five layers of composite construction under uniform temperature and pressure.Composite body A of the present invention has five layers of composite construction, middle hot blast loft non-woven layer of cloth 11 be the employing elasticity ES filament with high-elastic structure through the shaping high-elasticity non-woven fabric of hot blast adhesion, elasticity ES filament is the elasticity ES fiber of a kind of skin-core structure that the present invention creates, and elasticity ES filament of the present invention has at least in fibrocortex or in core fiber layer in a fibrage to add plastics elastic body material.Plastics elastic body material addition accounts for 10% to 50% of filament total amount.
The weight of SAP particle 2 of the present invention is 100 grams/m, and in composite liquid sucking fluid conducting material, SAP particle 2 content is that the distilled water Water absorption of 25% to 65%, SAP particle is greater than 1000 times.
The fusing point of PUR of the present invention is 90 degrees Celsius to 120 degrees Celsius, and apparent density is 0.48 gram/cc to 0.52 gram/cc,
angle of reposeit is 30 degree to 35 degree; Adhesive strength is 2.0 kilograms/25 millimeters to 2.5 kilograms/25 millimeters.
In embodiment, water conservancy diversion nonwoven layer 31 is adopt hot blast adhesion and the hot-wind nonwoven cloth with concave convex groove flow-guiding structure of roll forming by wood pulp and short fiber, the thickness of water conservancy diversion nonwoven layer 31 is 0.2 millimeter to 0.5 millimeter, be quantitatively 30 grams/m to 40 grams/m, under the time of oozing be 0.1 second.
The production method of the special composite material of a kind of absorbing fluid of the present invention, the method comprises the following steps:
A), PUR 5 is put into hot melt case heating make PUR 5 melting and the first PUR spray gun 61 is connected with hot melt case with the second PUR spray gun 62, SAP particle 2 is added respectively in the first hopper 71 and the second hopper 72, and hot blast loft non-woven cloth 1, bombax cotton cloth 4 and guide layer non-woven fabrics 3 are positioned over respectively lead accordingly in open-shelf;
B), hot blast loft non-woven cloth 1 through the first selvage guide roll 81 guiding launch after through the first hopper 71 time, SAP particle 2 in first hopper 71 sprays on hot blast loft non-woven cloth 1, bombax cotton cloth 4 through the second selvage guide roll 82 guiding launch after through the first PUR spray gun 61 time, the PUR 5 of melting sprays on bombax cotton cloth 4 by the first PUR spray gun 61, spray to have the hot blast loft non-woven cloth 1 of SAP particle 2 and spray has the bombax cotton cloth 4 of PUR 5 when the first compound rolling roll 91, be pressed into the semi-finished product composite with hot blast loft non-woven layer of cloth 11 and lower SAP water-absorbing resin layer 22 and bombax cotton layer of cloth 41 simultaneously,
C), semi-finished product composite is when the 3rd selvage guide to roll after 83 commutations through the second hopper 72, SAP particle 2 in second hopper 72 sprays on the hot blast loft non-woven layer of cloth 11 of semi-finished product composite, simultaneously guide layer non-woven fabrics 3 through the 4th selvage guide roll 84 guiding launch after through the second PUR spray gun 62 time, the PUR 5 of melting sprays on guide layer non-woven fabrics 3 by the second PUR spray gun 62, spraying has the guide layer non-woven fabrics 3 of PUR 5 and spraying to have the semi-finished product composite of SAP particle 2 to be pressed into when the second compound roll compacting rolls 92 and has water conservancy diversion nonwoven layer 31, upper SAP water-absorbing resin layer 21, the fluffy layer of cloth 11 of hot blast, the composite liquid sucking fluid conducting material of lower SAP water-absorbing resin layer 22 and bombax cotton layer of cloth 41 5 layers of composite construction,
D), composite liquid sucking fluid conducting material coils into yardage roll by composite coiling machine 93 after the 5th selvage guide rolls 85 guiding, finally obtains this product.
Carving knife is provided with before above-mentioned composite coiling machine 93; The temperature of hot melt case is 120 degrees Celsius to 170 degrees Celsius.
The temperature of the first above-mentioned PUR spray gun 61 and the temperature of the second PUR spray gun 62 are 90 degrees Celsius to 120 degrees Celsius, and the expulsion pressure of the first PUR spray gun 61 and the expulsion pressure of the second PUR spray gun 62 are 0.2 MPa to 0.6 MPa.
The rotating speed that the first above-mentioned compound rolling roll 91 and the second compound roll compacting roll 92 is 20 revs/min to 40 revs/min.Be preferably 30 revs/min
The pressure that the pressure of the first above-mentioned compound rolling roll 91 and the second compound roll compacting roll 92 is 0.2 MPa to 0.6 MPa.
In whole production process, PUR applied amount controls at 5 grams/m
2to 15 grams/m
2, the total of product is quantitatively 100 grams/m
2-500 grams/m
2.
Composite of the present invention adopts five-layer structure, one deck water conservancy diversion nonwoven layer, SAP water-absorbing resin layer, one deck hot blast loft non-woven layer of cloth on one deck, SAP water-absorbing resin layer and one deck bombax cotton layer of cloth under one deck, the material that the bombax cotton layer of cloth of lower floor adopts is through the bombax cotton absorbing water and process.5 layers are combined with each other and considerably increase the liquid storage amount of composite, and particularly water conservancy diversion nonwoven layer has the flow-guiding structure of concave convex groove, the liquid on surface can be made to infiltrate fast, and effectively can reduce the generation of reverse osmosis water phenomenon; Water-absorbing resin layer of the present invention is SAP granular materials, SAP particle can suck the liquid of larger than own wt more than 1000 times, and there is very strong lock water-based, thus the water sucked is made not easily to move and overflow, product of the present invention can be widely used as the main body imbibition material in infant, the urine pants of adult, diaper, and the imbibition material of women sanitary articles imbibition pad, and clinical nursing amenities.
Claims (10)
1. the special composite material of an absorbing fluid, comprise composite body (A), it is characterized in that: described composite body (A) comprises middle hot blast loft non-woven layer of cloth (11), the upper surface of this hot blast loft non-woven layer of cloth (11) and lower surface have all sprayed SAP particle (2) and have been formed with SAP water-absorbing resin layer (21) and lower SAP water-absorbing resin layer (22), described upper SAP water-absorbing resin layer (21) is provided with has the water conservancy diversion nonwoven layer (31) that flow-guiding structure can make the directed infiltration fast of surface liquid, described lower SAP water-absorbing resin layer (22) has bombax cotton layer of cloth (41), described water conservancy diversion nonwoven layer (31), upper SAP water-absorbing resin layer (21), the fluffy layer of cloth of hot blast (11), lower SAP water-absorbing resin layer (22) and bombax cotton layer of cloth (41) bond through PUR (5) and are pressed into the composite liquid sucking fluid conducting material with five layers of composite construction under uniform temperature and pressure.
2. the special composite material of a kind of absorbing fluid according to claim 1, it is characterized in that: the weight of described SAP particle (2) is 100 grams/m, and in described composite liquid sucking fluid conducting material, SAP particle (2) content is 25% to 65%.
3. the special composite material of a kind of absorbing fluid according to claim 1, it is characterized in that: the elasticity ES filament that described hot blast loft non-woven layer of cloth (11) is skin-core structure through the shaping high-elasticity non-woven fabric of hot blast adhesion, in the filametntary fibrocortex of described elasticity ES or have at least in core fiber layer in a fibrage to add and have propylene base class plastics elastic body material.
4. the special composite material of a kind of absorbing fluid according to claim 1, is characterized in that: the fusing point of described PUR is 90 degrees Celsius to 120 degrees Celsius, and apparent density is 0.48 gram/cc to 0.52 gram/cc,
angle of reposeit is 30 degree to 35 degree; Adhesive strength is 2.0 kilograms/25 millimeters to 2.5 kilograms/25 millimeters.
5. the special composite material of a kind of absorbing fluid according to claim 4, it is characterized in that: described water conservancy diversion nonwoven layer (31) is for adopting hot blast adhesion and the hot-wind nonwoven cloth with concave convex groove flow-guiding structure of roll forming by wood pulp and short fiber, the thickness of described water conservancy diversion nonwoven layer (31) is 0.2 millimeter to 0.5 millimeter, be quantitatively 30 grams/m to 40 grams/m, under the time of oozing be 0.1 second.
6. the production method of the special composite material of a kind of absorbing fluid according to claim 1, is characterized in that: the method comprises the following steps:
A), PUR (5) is put into hot melt case heating make PUR (5) melting and the first PUR spray gun (61) is connected with hot melt case with the second PUR spray gun (62), SAP particle (2) is added respectively in the first hopper (71) and the second hopper (72), and hot blast loft non-woven cloth (1), bombax cotton cloth (4) and guide layer non-woven fabrics (3) are positioned over respectively lead accordingly in open-shelf;
B), hot blast loft non-woven cloth (1) through the first selvage guide roll (81) guiding launch after when the first hopper (71), SAP particle (2) in first hopper (71) sprays on hot blast loft non-woven cloth (1), bombax cotton cloth (4) through the second selvage guide roll (82) guiding launch after when first PUR spray gun (61), the PUR (5) of melting sprays on bombax cotton cloth (4) by the first PUR spray gun (61), spraying has the hot blast loft non-woven cloth (1) of SAP particle (2) and spraying to have the bombax cotton cloth (4) of PUR (5) when first compound rolling roll (91), be pressed into the semi-finished product composite with hot blast loft non-woven layer of cloth (11) and lower SAP water-absorbing resin layer (22) and bombax cotton layer of cloth (41) simultaneously,
C), semi-finished product composite to roll after (83) commutation when the second hopper (72) through the 3rd selvage guide, SAP particle (2) in second hopper (72) sprays on the hot blast loft non-woven layer of cloth (11) of semi-finished product composite, simultaneously guide layer non-woven fabrics (3) through the 4th selvage guide roll (84) guiding launch after when second PUR spray gun (62), the PUR (5) of melting sprays on guide layer non-woven fabrics (3) by the second PUR spray gun (62), spraying has the guide layer non-woven fabrics (3) of PUR (5) and spraying to have the semi-finished product composite of SAP particle (2) to be pressed into when (92) are rolled in the second compound roll compacting and has water conservancy diversion nonwoven layer (31), upper SAP water-absorbing resin layer (21), the fluffy layer of cloth of hot blast (11), the composite liquid sucking fluid conducting material of lower SAP water-absorbing resin layer (22) and bombax cotton layer of cloth (41) five layers of composite construction,
D), composite liquid sucking fluid conducting material through the 5th selvage guide roll (85) guiding after coil into yardage roll by composite coiling machine (93), finally obtain this product.
7. the special composite material of a kind of absorbing fluid according to claim 6, is characterized in that: described composite coiling machine (93) is front is provided with carving knife; The temperature of described hot melt case is 120 degrees Celsius to 170 degrees Celsius.
8. the special composite material of a kind of absorbing fluid according to claim 7, it is characterized in that: the first described PUR spray gun (61) and the temperature of the second PUR spray gun (62) are 90 degrees Celsius to 120 degrees Celsius, and expulsion pressure is 0.2 MPa to 0.6 MPa.
9. the production technology of a kind of Multi-layer composite liquid absorbent wick material according to claim 8, is characterized in that: the rotating speed that (92) are rolled in the first described compound rolling roll (91) and the second compound roll compacting is 20 revs/min to 40 revs/min.
10. the production technology of a kind of Multi-layer composite liquid absorbent wick material according to claim 9, is characterized in that: the pressure that (92) are rolled in the first described compound rolling roll (91) and the second compound roll compacting is 0.2 MPa to 0.6 MPa.
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| CN201510077663.8A CN104723618B (en) | 2015-02-13 | 2015-02-13 | A kind of special composite material and its production method for absorbing liquid |
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| CN201510077663.8A CN104723618B (en) | 2015-02-13 | 2015-02-13 | A kind of special composite material and its production method for absorbing liquid |
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| CN105383129A (en) * | 2015-12-21 | 2016-03-09 | 常熟市立新无纺布织造有限公司 | Novel thermally bonded nonwoven fabric |
| CN106137556A (en) * | 2016-07-29 | 2016-11-23 | 杭州珂瑞特机械制造有限公司 | Partly wrap ultra-thin liquid absorbent wick and preparation method |
| CN106137557A (en) * | 2016-08-22 | 2016-11-23 | 重庆百亚卫生用品股份有限公司 | Absorbent commodity core body and processing technology thereof |
| CN106137555A (en) * | 2016-07-29 | 2016-11-23 | 杭州珂瑞特机械制造有限公司 | The ultra-thin liquid absorbent wick of full bag and preparation method |
| CN106420173A (en) * | 2016-09-20 | 2017-02-22 | 邓攀 | Novel composite core material for paper diapers and preparation method of novel composite core material |
| CN106580562A (en) * | 2016-12-05 | 2017-04-26 | 广东美登纸业有限公司 | Self-energy diversion composite paper |
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| CN105383129A (en) * | 2015-12-21 | 2016-03-09 | 常熟市立新无纺布织造有限公司 | Novel thermally bonded nonwoven fabric |
| CN106137556A (en) * | 2016-07-29 | 2016-11-23 | 杭州珂瑞特机械制造有限公司 | Partly wrap ultra-thin liquid absorbent wick and preparation method |
| CN106137555A (en) * | 2016-07-29 | 2016-11-23 | 杭州珂瑞特机械制造有限公司 | The ultra-thin liquid absorbent wick of full bag and preparation method |
| CN106137557A (en) * | 2016-08-22 | 2016-11-23 | 重庆百亚卫生用品股份有限公司 | Absorbent commodity core body and processing technology thereof |
| CN106420173A (en) * | 2016-09-20 | 2017-02-22 | 邓攀 | Novel composite core material for paper diapers and preparation method of novel composite core material |
| CN106580562A (en) * | 2016-12-05 | 2017-04-26 | 广东美登纸业有限公司 | Self-energy diversion composite paper |
| CN107307944A (en) * | 2017-06-23 | 2017-11-03 | 中原工学院 | A kind of slim multi-layer absorptive core and preparation method thereof |
| CN107349054A (en) * | 2017-07-10 | 2017-11-17 | 浙江优全护理用品科技有限公司 | With no paper ultra-thin super soft elastic core body |
| CN107349053A (en) * | 2017-07-10 | 2017-11-17 | 浙江优全护理用品科技有限公司 | With no paper ultra-thin super soft double spun lacing core bodys |
| CN107349052A (en) * | 2017-07-10 | 2017-11-17 | 浙江优全护理用品科技有限公司 | One kind is without the high air-permeable anti-bacterial sanitary napkin of film |
| CN107374831A (en) * | 2017-07-10 | 2017-11-24 | 浙江优全护理用品科技有限公司 | One kind is without the high ventilative pro-skin paper diaper of film |
| CN107399116A (en) * | 2017-07-10 | 2017-11-28 | 浙江优全护理用品科技有限公司 | With no paper ultra-thin super soft core body |
| CN111688295A (en) * | 2019-03-11 | 2020-09-22 | 北京同仁堂保康科技有限公司 | All-cotton knitted composite cloth applied to sanitary towel production |
| CN110169873A (en) * | 2019-05-16 | 2019-08-27 | 广东中科鑫雁科技有限公司 | A kind of sanitary goods industry liquid absorbent wick structure and implementing process |
| CN110200754A (en) * | 2019-06-26 | 2019-09-06 | 丁棋 | Four layers of core of one kind and its preparation process |
| CN110897533A (en) * | 2019-10-24 | 2020-03-24 | 诺斯贝尔化妆品股份有限公司 | Solid-state wiping towel forming machine and preparation method of solid-state wiping towel |
| CN111202632A (en) * | 2020-01-21 | 2020-05-29 | 泉州优立佳新型材料有限公司 | Three-dimensional absorption core of 3D |
| CN111529212A (en) * | 2020-05-07 | 2020-08-14 | 陈兵 | Absorbent composite and method for producing same, absorbent article and method for producing same, sanitary material, and medical article |
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Effective date of registration: 20151201 Address after: 315313 Zhejiang City, Ningbo province Cixi City Industrial Zone, Ningbo province reputation non-woven Co., Ltd. Applicant after: Ningbo Dongyu nonwoven cloth Co.,Ltd. Address before: 315313 Ningbo City, Zhejiang province Cixi City Industrial Zone, Ningbo non woven non-woven Co., Ltd. Applicant before: NINGBO QIXING NONWOVEN CLOTH Co.,Ltd. |
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