CN113215725A - Production process of soft chipless wood pulp composite wiping cloth - Google Patents
Production process of soft chipless wood pulp composite wiping cloth Download PDFInfo
- Publication number
- CN113215725A CN113215725A CN202110478329.9A CN202110478329A CN113215725A CN 113215725 A CN113215725 A CN 113215725A CN 202110478329 A CN202110478329 A CN 202110478329A CN 113215725 A CN113215725 A CN 113215725A
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- China
- Prior art keywords
- wood pulp
- spunlace
- soft
- chipless
- wiping cloth
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
Abstract
The invention relates to the technical field of non-woven fabrics and discloses a production process of soft chipless wood pulp composite wiping cloth. The invention comprises the following steps: an unwinding procedure, namely unwinding the coiled polyester spunlace non-woven fabric to obtain a base fabric, and paving the base fabric into a spunlace machine; a papermaking process, namely preparing pulp water by loosening, grinding and removing impurities from wood pulp, preparing a wet fiber net after preliminary dehydration, and covering the wet fiber net on polyester spunlace non-woven fabrics; a spunlace process, wherein high-pressure water needling is performed through a spunlace machine, so that wood pulp fibers are displaced, and part of fibers vertically penetrate through spunlace non-woven fabrics and move to the reverse side of the spunlace fabrics and are combined together; a softening process, namely spraying a softening agent; a drying procedure, namely drying and curing in an oven after far infrared pre-drying; and a detection procedure, wherein the quality of the finished product is detected.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a production process of soft chipless wood pulp composite wiping cloth.
Background
At present, the common wood pulp composite wiping cloth in the market mostly adopts PP non-woven fabric as base fabric, wood pulp wet paper layer is paved, and the wiping cloth is made by spunlace reinforcement. Due to the raw materials and the process, the produced wiping cloth has the defects of hardened and hard hand feeling and influences the wiping effect.
Disclosure of Invention
The invention provides a production process of soft and chipless wood pulp composite wiping cloth, aiming at solving the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a production process of soft chipless wood pulp composite wiping cloth comprises a base cloth layer and a spunlace layer, wherein the base cloth layer is made of polyester spunlace non-woven fabric, and the preparation method comprises the following steps:
an unwinding procedure: the roll spun-laced non-woven fabric is used as a base fabric, is arranged on an automatic unwinding device at the first floor for unwinding at a constant speed, is climbed to the second floor by a cloth guide roller, passes through a connecting seam between a paper passing machine and a spun-laced machine, is lapped with a spun-laced machine screen, and enters the spun-laced machine.
A papermaking process: the wood pulp is loosened and ground by a chain plate machine, a pulper, an impurity removing machine and a grinding mill to prepare pulp water with the concentration of 0.03 percent, and the pulp water is pumped into a net part of a paper machine to form wet paper sheets to enter a spunlace machine to be covered on the polyester spunlace non-woven fabric through preliminary dehydration.
A water jet procedure: the wood pulp fibers are displaced by the high-pressure water jet puncture of the water jet machine, and part of the fibers vertically penetrate through the water jet non-woven fabric, move to the reverse side of the water jet non-woven fabric and are combined together.
A softening process: and spraying a softening agent to enable the finished product to be fluffy and soft.
And (3) drying: and the mixture enters an oven for drying and curing after being pre-dried by far infrared.
A detection procedure: by means of the online defect detector and the metal detector, foreign matters and metal particles with the diameter of more than 0.6mm can be found out, and the product quality is guaranteed.
Preferably, the softening agent is applied by adopting a spraying and vacuum suction mode, so that the softening agent is ensured to uniformly permeate from the upper surface to the lower surface, the whole fiber web contains the softening agent, and the influence of the traditional modes of roller extrusion dehydration and the like on the filling power of the fabric surface is avoided.
[A1] 。
Preferably, in the softening step, the binder is sprayed on one side of the wood pulp surface to prevent the wood pulp fibers from falling off from the nonwoven fabric.
Preferably, the solid content of the adhesive is 30%, and the appropriate amount of adhesive content prevents that too little finished product is scattered immediately when encountering water and too much causes stiffness of the cloth, so that the final cloth adhesive content is 2-4 g/m.
Preferably, the specification of the polyester spun lace nonwoven fabric is 28-32g/m, preferably 30 g/m.
Preferably, the wood pulp is softwood pulp, and the characteristics of the wood pulp are favorable for fluffiness and softness of a finished product and the density of the finished product is 30g per square meter.
Preferably, the thickness (dry state) of the paper sheet covered on the spunlace non-woven fabric in the papermaking process is controlled to be about 28-32g/m, the thickness is too thin, the water absorption performance of the product is poor, the thickness is too thick, the wood pulp raw material is excessively wasted, the thickness of the composite product is ensured, the use performance of the product is not affected, the waste of the wood pulp fiber is prevented, the cost is saved, and the optimal thickness is 30 g/m.
Preferably, in the papermaking process, the front wall angle is 4.5 degrees, the front lip plate grid distance is 8mm, and the water leg opening degrees are 1-4, 24 percent and 5, 22 percent.
Preferably, the water punching process has five water punching heads, and the pressure of the five water punching heads is controlled to be gradually increased to the optimal pressure of 35bar, 55bar, 65bar, 75bar and 85bar respectively, and the deviation is not more than 2%.
Preferably, in the spunlace process, the speed of a spunlace mesh belt is 101.5 m/min, the speed of a rotary drum is 100.5 m/min, and the speeds of a dewatering mesh belt and each conveying roller are 100 m/min.
Preferably, 6 drying cylinders are adopted in the drying process, the temperature of No. 1-6 drying cylinders is respectively controlled to be at 90 ℃, 100 ℃, 95 ℃, 110 ℃, 95 ℃ and 100 ℃, and the deviation is not more than 5%.
The invention has the beneficial effects that: the invention uses polyester spunlace non-woven fabric as base cloth, wood pulp wet paper layer is paved on the base cloth by wet process, and non-woven wiping cloth formed by reinforcement by spunlace method has the characteristics of high hygroscopicity, high softness, no scrap falling and the like, and is an ideal material for manufacturing high-grade wiping cloth.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments.
The first embodiment is as follows: a production process of soft chipless wood pulp composite wiping cloth comprises a base cloth layer and a spunlace layer, wherein the base cloth layer is made of polyester spunlace non-woven fabric, and the preparation method comprises the following steps:
an unwinding procedure: taking the spun-laced non-woven fabric which is coiled into 28g/m as the base fabric, installing the spun-laced non-woven fabric on an automatic unwinding device at the first floor for unwinding at a constant speed, climbing to the second floor by using a cloth guide roller, passing through a connecting seam between a paper machine and a spun-laced machine, and building a screen of the spun-laced machine to enter the spun-laced machine.
A papermaking process: loosening and grinding wood pulp to obtain pulp water with the concentration of 0.03%, pumping the pulp water into a paper machine net part, performing primary dehydration to form wet paper sheets, enabling the wet paper sheets to enter a spunlace machine to cover the spunlace non-woven fabric, and controlling the thickness (dry state) of the paper sheets to be about 28g/m, the front wall angle to be 4.5 degrees, the front lip plate lattice distance to be 8mm, the water leg opening degrees to be 1-24 percent and 5-22 percent.
A water jet procedure: the wood pulp fiber is displaced by the high-pressure water jet puncture of the water jet machine, part of the fiber vertically penetrates the water jet non-woven fabric, moves to the reverse side of the water jet non-woven fabric and is combined together, the pressure of five water jet heads is respectively controlled to be 32bar, 51bar, 61bar, 70bar and 80bar, the pressure is gradually increased, the speed of a water jet net belt is 101.5 m/min, the speed of a rotary drum is 100.5 m/min, and the speed of a dewatering net belt and each conveying roller is 100 m/min.
A softening process: the softener concentration is 5%, the spraying amount is 15mL/m, and the suction air volume is 85%; 30% of binder solid content and 2-4g/m of final cloth cover binder content.
And (3) drying: the temperature of No. 1-6 drying cylinders is respectively controlled at 85 ℃, 94 ℃, 90 ℃, 103 ℃, 90 ℃ and 94 ℃.
A detection procedure: by means of the online defect detector and the metal detector, foreign matters and metal particles with the diameter of more than 0.6mm can be found out, and the product quality is guaranteed.
Example two: a roll of 30g/m of full polyester spunlace non-woven fabric is adopted as the base fabric.
A papermaking process: the wood pulp is loosened and ground into pulp water with the concentration of 0.03 percent, the pulp water is pumped into a paper machine net part to form wet paper sheets to enter a spunlace machine through preliminary dehydration, the wet paper sheets are covered on the spunlace non-woven fabrics, and the thickness (dry state) of the paper sheets is controlled to be 30g/m, the angle of a front wall is 4.5 degrees, the lattice distance of a front lip plate is 8mm, the opening degree of a water leg is 1-4-24 percent, and the opening degree of the water leg is 5-22 percent.
A water jet procedure: the pressure of the five spunlace heads is respectively controlled at 35bar, 55bar, 65bar, 75bar and 85bar, the pressure is gradually increased, the speed of the spunlace net belt is 101.5 m/min, the speed of the rotary drum is 100.5 m/min, and the speed of the dewatering net belt and each conveying roller is 100 m/min.
A softening process: the softener concentration is 5%, the spraying amount is 15mL/m, and the suction air volume is 85%; 30% of binder solid content and 2-4g/m of final cloth cover binder content.
And (3) drying: the temperature of No. 1-6 drying cylinders is respectively controlled at 90 ℃, 100 ℃, 95 ℃, 110 ℃, 95 ℃ and 100 ℃.
Example three: a roll of 32g/m polyester spunlace non-woven fabric is adopted as the base fabric.
A papermaking process: loosening and grinding wood pulp to obtain pulp water with the concentration of 0.03%, pumping the pulp water into a paper machine net part, performing primary dehydration to form wet paper sheets, enabling the wet paper sheets to enter a spunlace machine to cover the spunlace machine, and controlling the thickness (dry state) of the paper sheets to be 32g/m, the angle of a front wall to be 4.5 degrees, the lattice distance of a front lip plate to be 8mm, the opening degree of a water leg to be 1-4-24 percent and 5-22 percent.
A water jet procedure: the pressure of the five spunlace heads is respectively controlled at 38bar, 59bar, 69bar, 80bar and 90bar, the pressure is gradually increased, the speed of the spunlace net belt is 101.5 m/min, the speed of the rotary drum is 100.5 m/min, and the speed of the dewatering net belt and each conveying roller is 100 m/min.
A softening process: the softener concentration is 5%, the spraying amount is 15mL/m, and the suction air volume is 85%; 30% of binder solid content and 2-4g/m of final cloth cover binder content.
And (3) drying: the temperature of No. 1-6 drying cylinders is respectively controlled at 95 ℃, 106 ℃, 100 ℃, 117 ℃, 100 ℃ and 106 ℃.
Through detection, the technical indexes of the non-woven fabric prepared by the process are shown in the following table:
the instrument comprises a 3M Sigao rubber roll and an electronic balance.
The chip dropping rate test method comprises the following steps: the sample size is 5 cm multiplied by 15 cm, and the mass is measured and recorded as M; the sample is fixed on a paperboard, one side of the wood pulp paper is arranged on the surface, and after the sample is stuck on the surface once by using a new rubber roller, the quality is recorded as M1; the binding was continued until 50 times and M1, M2, M3, M4, M5, M10, M20 and M50 were measured. The chip-loss rate was calculated as follows:
chip-loss rate = (M-M50)/M × 100%
The invention uses the polyester spunlace non-woven fabric as the base fabric, the wood pulp wet paper layer is paved on the polyester spunlace non-woven fabric by a wet process, and the non-woven wiping fabric is reinforced by a spunlace method, and has the following characteristics that the polyester spunlace non-woven fabric has good strength, soft hand feeling and sufficient thickness, and is fully combined with softwood pulp fibers, thereby not only solving the problems of poor strength and instant melting when meeting water of the wood pulp fibers, but also solving the problem of poor water absorption and retention effects of the polyester fibers; the polyester spunlace non-woven fabric and the softwood pulp with soft hand feeling are selected as raw materials, after low-pressure multi-channel spunlace, the product with low water pressure is designed to have a gram weight of 60 g/square meter, and a softening agent is sprayed and sucked synchronously, so that the softening agent uniformly penetrates to the whole cross section from the upper surface of the cloth cover, and an ultra-soft effect is achieved; then spraying super-soft acrylate adhesive from the single surface of the wood pulp layer, crosslinking the super-soft adhesive at low temperature, pre-drying by far infrared rays, and then drying and curing in an oven.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention by equivalent replacement or change according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. A production process of soft chipless wood pulp composite wiping cloth is characterized by comprising the following steps of: the composite wiping cloth comprises a base cloth layer and a spunlace layer, wherein the base cloth layer is made of polyester spunlace non-woven fabric, and the preparation method comprises the following steps:
an unwinding procedure: unwinding the coiled polyester spunlace non-woven fabric to obtain a base fabric, and paving the base fabric into a spunlace machine;
a papermaking process: loosening wood pulp, grinding, removing impurities to obtain pulp water, preliminarily dehydrating to obtain wet fiber net, and covering on polyester spunlace nonwoven fabric;
a water jet procedure: the wood pulp fibers are displaced by high-pressure water jet puncture of a spunlace machine, and part of the fibers vertically penetrate through the spunlace non-woven fabric, move towards the reverse side of the spunlace non-woven fabric and are combined together;
a softening process: spraying a softening agent;
and (3) drying: after far infrared pre-drying, the mixture enters an oven to be dried and cured;
a detection procedure: and (5) carrying out quality detection on the finished product.
2. The production process of the soft chipless wood pulp composite wiping cloth according to claim 1, characterized in that: the full-polyester spunlace non-woven fabric adopts a 30g/m full-polyester spunlace non-woven fabric.
3. The production process of the soft chipless wood pulp composite wiping cloth according to claim 1, characterized in that: the wood pulp is needle-leaved softwood pulp.
4. The production process of the soft chipless wood pulp composite wiping cloth according to claim 1, characterized in that: in the softening process, a softening agent is applied by adopting a mode of spraying and vacuum suction.
5. The production process of the soft chipless wood pulp composite wiping cloth according to claim 4, characterized in that: the softener concentration is 5%, the spraying amount is 15mL/m, and the suction air volume is 85% [ A1 ].
6. The production process of the soft chipless wood pulp composite wiping cloth according to any one of claims 1 to 5, characterized in that: after the softening agent is sprayed, the single side of the wood pulp surface is sprayed with the adhesive.
7. The production process of the soft chipless wood pulp composite wiping cloth according to claim 1, characterized in that: in the papermaking process, the dry thickness of the paper sheet covered on the spunlace non-woven fabric is controlled to be 28-32 g/m.
8. The production process of the soft chipless wood pulp composite wiping cloth according to claim 1, characterized in that: the pressure of the five spunlace heads is respectively controlled to be increased gradually at 35bar, 55bar, 65bar, 75bar and 85bar, and the deviation is not more than 2%.
9. The production process of the soft chipless wood pulp composite wiping cloth according to claim 1, characterized in that: the drying process comprises 6 drying cylinders, wherein the temperatures of No. 1-6 drying cylinders are respectively controlled at 90 ℃, 100 ℃, 95 ℃, 110 ℃, 95 ℃ and 100 ℃, and the deviation is not more than 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478329.9A CN113215725A (en) | 2021-04-30 | 2021-04-30 | Production process of soft chipless wood pulp composite wiping cloth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478329.9A CN113215725A (en) | 2021-04-30 | 2021-04-30 | Production process of soft chipless wood pulp composite wiping cloth |
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| Publication Number | Publication Date |
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| CN113215725A true CN113215725A (en) | 2021-08-06 |
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| CN202110478329.9A Pending CN113215725A (en) | 2021-04-30 | 2021-04-30 | Production process of soft chipless wood pulp composite wiping cloth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116732699A (en) * | 2023-05-24 | 2023-09-12 | 浙江诚品无纺科技有限公司 | Super absorbent wood pulp composite spunlaced non-woven fabric and preparation method thereof |
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| TW412411B (en) * | 1999-01-29 | 2000-11-21 | Uni Charm Corp | Fibrillated rayon-containing, water-decomposable fibrous sheet |
| CN1315209A (en) * | 2000-03-31 | 2001-10-03 | 尤妮佳股份有限公司 | Hydrated fibre sheet of fibrillated artificial fibre containing different length fibre |
| CN104389109A (en) * | 2014-10-22 | 2015-03-04 | 福建南纺有限责任公司 | Composite spunlaced nonwoven fabric and preparation method thereof |
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| CN109487432A (en) * | 2018-11-13 | 2019-03-19 | 浙江宝仁无纺制品有限公司 | A kind of production technology of PP wood pulp composite wiping cloth |
| CN111270412A (en) * | 2020-02-21 | 2020-06-12 | 稳健医疗（黄冈）有限公司 | Preparation method of super-soft moisturizing cotton soft towel and super-soft moisturizing cotton soft towel |
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2021
- 2021-04-30 CN CN202110478329.9A patent/CN113215725A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW412411B (en) * | 1999-01-29 | 2000-11-21 | Uni Charm Corp | Fibrillated rayon-containing, water-decomposable fibrous sheet |
| CN1315209A (en) * | 2000-03-31 | 2001-10-03 | 尤妮佳股份有限公司 | Hydrated fibre sheet of fibrillated artificial fibre containing different length fibre |
| CN104389109A (en) * | 2014-10-22 | 2015-03-04 | 福建南纺有限责任公司 | Composite spunlaced nonwoven fabric and preparation method thereof |
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| CN111270412A (en) * | 2020-02-21 | 2020-06-12 | 稳健医疗（黄冈）有限公司 | Preparation method of super-soft moisturizing cotton soft towel and super-soft moisturizing cotton soft towel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116732699A (en) * | 2023-05-24 | 2023-09-12 | 浙江诚品无纺科技有限公司 | Super absorbent wood pulp composite spunlaced non-woven fabric and preparation method thereof |
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Application publication date: 20210806 |
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