CN111270412A - Preparation method of super-soft moisturizing cotton soft towel and super-soft moisturizing cotton soft towel - Google Patents

Preparation method of super-soft moisturizing cotton soft towel and super-soft moisturizing cotton soft towel Download PDF

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Publication number
CN111270412A
CN111270412A CN202010107565.5A CN202010107565A CN111270412A CN 111270412 A CN111270412 A CN 111270412A CN 202010107565 A CN202010107565 A CN 202010107565A CN 111270412 A CN111270412 A CN 111270412A
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cotton
moisturizing
carding
woven fabric
spraying
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李建全
苏隆腾
杨鑫权
邓志祥
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Winner Medical Huanggang Co ltd
Shenzhen PurCotton Technology Co Ltd
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Winner Medical Huanggang Co ltd
Shenzhen PurCotton Technology Co Ltd
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Priority to CN202010107565.5A priority Critical patent/CN111270412A/en
Publication of CN111270412A publication Critical patent/CN111270412A/en
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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
    • D04H1/42—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
    • D04H1/425—Cellulose series
    • 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
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D06M13/148—Polyalcohols, e.g. glycerol or glucose
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/35—Heterocyclic compounds
    • D06M13/352—Heterocyclic compounds having five-membered heterocyclic rings
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention discloses a preparation method of a moisturizing cotton soft towel and the moisturizing cotton soft towel, which comprises the steps of preparing all-cotton spunlace non-woven fabric; preparing all-cotton spunlaced non-woven fabric; unwinding; coating a moisturizing emulsion; drying the all-cotton spunlace non-woven fabric coated with the moisturizing emulsion; and (4) rolling, cutting, and finishing the dried all-cotton spunlace non-woven fabric. The main components of the moisturizing emulsion are moisturizing agent, lipid and pure water, the method for adding the moisturizing solution comprises a padding method, a dipping method, a roller coating method, a printing method, a dry cloth spraying method and a wet cloth spraying method, and the seven methods are designed according to the addition amount respectively so as to ensure the proportion of the moisturizing solution on the cotton soft towel, ensure that the moisturizing emulsion can completely permeate the inner layer of the cloth, completely moisturize the fiber, and ensure the internal and external integral softness characteristics of the cotton soft towel after drying.

Description

Preparation method of super-soft moisturizing cotton soft towel and super-soft moisturizing cotton soft towel
Technical Field
The invention relates to the field of cotton soft towels, in particular to a preparation method of an ultra-soft moisturizing cotton soft towel and the ultra-soft moisturizing cotton soft towel.
Background
The cotton soft towel is used as a disposable wiping article, the existing cotton soft towel is not soft enough for the skin of a newborn baby and a particularly sensitive skin group, and in order to improve the softness, part of manufacturers perform treatment such as finishing treatment of silicone oil compounds and other mineral oil compounds on the cotton soft towel so as to improve the softness and smoothness of the cotton soft towel, but the cotton soft towel has extremely poor permeability of mineral oil, and the skin of the baby can be gradually rough and dry. In addition, mineral oil can affect the normal excretion process of skin, and make the skin dry due to lack of oxygen. The pores can also contain much dirt, and are gradually enlarged, and even pox and pimples are caused.
The cotton soft towel is a cotton towel made of 100% pure natural cotton, has the characteristics of softness, fineness, good water absorption, no scrap dropping and the like, and is a new environment-friendly substitute product for products such as paper towels, cosmetic cotton, face washing towels and the like. Because the cotton soft towel is subjected to aseptic treatment in the preparation process, the cotton soft towel is adopted to wash the face, so that the face can be kept clean. However, the cotton soft tissue on the market has relatively poor moisturizing effect on skin, the preparation method is not scientific and perfect, and some cotton soft tissues with special functions exist in the prior art, but the preparation method of the cotton soft tissue with the special functions is troublesome and cannot achieve perfect special effects, and especially for the preparation method of the moisturizing cotton soft tissue, the moisturizing uniformity of the cotton soft tissue can be ensured, and the comfort and the air permeability are ensured.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a preparation method of an ultra-soft moisturizing cotton soft towel and the ultra-soft moisturizing cotton soft towel, which solve the technical defects of poor air permeability, skin damage, poor use experience, complex preparation process, high production cost, high production difficulty and the like of the cotton soft towel in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a preparation method of an ultra-soft moisturizing cotton soft towel is characterized by comprising the following steps: the method comprises the following steps: preparing all-cotton spunlaced non-woven fabric; drying and coiling the spunlace non-woven fabric; unwinding the all-cotton non-woven fabric after drying; coating a moisturizing emulsion; drying, namely drying the all-cotton spunlaced non-woven fabric coated with the moisturizing emulsion; rolling and slitting, namely rolling and slitting the dried all-cotton spunlace non-woven fabric; folding and packaging, namely folding and packaging the cut all-cotton spunlace non-woven fabric to prepare the finished super-soft moisturizing cotton soft towel.
As an improvement of the technical scheme, the steps for preparing the all-cotton spunlace non-woven fabric are as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The step of preparing the all-cotton spunlace nonwoven fabric as a further improvement of the technical scheme can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
As a further improvement of the above technical solution, the method for applying the moisturizing emulsion comprises a padding method, a dipping method, a roll coating method, a printing method and a spraying method, the moisturizing emulsion is composed of three substances of water, a moisturizing agent and lipids, the moisturizing agent comprises hyaluronic acid (sodium), sodium pyrrolidone carboxylate, lactic acid (sodium) and polyhydric alcohols such as glycerin and butanediol, sorbitol, and the lipids comprise vegetable oil and animal fat. The moisturizing agent enables the finished cotton soft towel to have a moisturizing effect by absorbing air moisture, and the grease improves the touch of the cotton soft towel. Thereby the cotton soft towel achieves the effects of softness, moisture retention and fineness.
As a further improvement of the technical scheme, when the coating of the moisturizing emulsion is carried out by adopting a padding method, the moisturizing emulsion is added into a padding groove, the coating of the moisturizing emulsion is completed through the padding process, and when the moisturizing solution is coated by adopting the padding method, the coating is carried out after the all-cotton spunlace non-woven fabric is dried and unwound; when the soaking method is adopted for coating the moisturizing emulsion, the moisturizing emulsion is added into the soaked solution for direct soaking, and when the soaking method is adopted for coating the moisturizing solution, the all-cotton spunlace non-woven fabric is dried and unwound.
As a further improvement of the above technical solution, when the roll coating method is used for coating the moisturizing emulsion, the moisturizing emulsion is diluted and then added into the roll coating tank, the coating of the moisturizing emulsion is completed through the roll coating process, and when the roll coating method is used for coating the moisturizing emulsion, the coating is performed after the all-cotton spunlace nonwoven fabric is dried and unwound.
As a further improvement of the above technical solution, when the printing method is used for coating the moisturizing emulsion, the moisturizing emulsion is used as a printing liquid to print the non-woven fabric, wherein the printing includes flexographic printing and gravure printing, and the coating of the moisturizing emulsion by the printing method is performed after the all-cotton spunlace non-woven fabric is dried and unwound.
As a further improvement of the technical scheme, when the moisturizing emulsion is coated by adopting a printing method, after the moisturizing emulsion is thickened by adding the macromolecular thickener into the moisturizing emulsion, the moisturizing emulsion is used as printing slurry to print the non-woven fabric, wherein the printing comprises flat screen printing and rotary screen printing, and the printing is carried out after the all-cotton spunlace non-woven fabric is dried and unwound when the moisturizing emulsion is coated by adopting the printing method.
As a further improvement of the above technical solution, the spraying method includes a dry cloth spraying method and a wet cloth spraying method, and the wet cloth spraying method is performed after preparing the all-cotton non-woven fabric; the dry cloth spraying method is carried out after the all-cotton spunlace non-woven fabric is dried and unwound; the dry cloth spraying method adopts non-contact spraying, firstly emulsion dilution is carried out, the emulsion is diluted by pure water, the pure water amount is 1-10 times of the emulsion, high-pressure spraying is adopted for spraying after dilution, the total spraying amount is 0.1 g/square meter to 10 g/square meter during spraying, the spraying method comprises single-side spraying and double-side spraying, and 0.1 g/square meter to 2.5 g/square meter is sprayed on each side during double-side spraying; the wet cloth spraying method adopts non-contact spraying, firstly emulsion dilution is carried out, the emulsion is diluted by pure water, the pure water amount is 1-10 times of the emulsion, high-pressure spraying is adopted for spraying after dilution, the total spraying amount is 5 g/square meter-50 g/square meter during spraying, the spraying method comprises single-side spraying and double-side spraying, and each side is sprayed with 5 g/square meter-15 g/square meter during double-side spraying.
As a further improvement of the above technical solution, the drying process includes drying and natural drying, and the drying can be performed after the moisturizing emulsion is coated by a padding method, a dipping method, a printing method, a roll coating method, a dry cloth spraying method and a wet cloth spraying method; the natural drying is used after the moisturizing solution is coated by a printing method, a roller coating method and a dry cloth spraying method.
As a further improvement of the technical scheme, the moisturizing cotton soft towel is prepared by the preparation method.
The invention has the beneficial effects that: the wet-keeping soft cotton towel is added with the moisturizing emulsion for finishing through six modes of a padding method, a dipping method, a roller coating method, a printing method and a spraying method, the diversity of the manufacturing method is ensured, in addition, two spraying modes of a dry cloth spraying method and a wet cloth spraying method in the spraying method are used for spraying the moisturizing solution on the soft cotton towel made of the all-cotton spunlace non-woven fabric, and a spraying device is directly additionally arranged on the original liquid removing and drying equipment of the production line, so that the continuous production is realized, the process steps are few, and the pollution caused by secondary transfer is reduced. The spraying amount of the two modes respectively corresponding to the design ensures the proportion of the moisturizing solution on the cotton soft towel, ensures that the moisturizing emulsion can completely permeate the inner layer of the cloth, completely moisturizes the fiber, and can also ensure the soft characteristic of the whole inside and outside of the cotton soft towel after drying.
Wet cloth spraying advantages: the one-step drying method can save production energy consumption. The spraying device can be additionally arranged on the original liquid removing and drying equipment of the production line, and continuous production can be realized. The process steps are few, and the pollution caused by secondary transfer is reduced. The emulsion is diluted and then sprayed on wet all-cotton spunlace, the spraying amount is relatively large, so that the moisturizing emulsion can completely penetrate into the inner layer of the cloth, the fibers are completely moistened, and the cloth is wholly soft after being dried and is not limited to the surface of the cloth.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a first embodiment of a method of making an ultra-soft moisturizing cotton towel of the present invention;
FIG. 2 is a flow chart of a second embodiment of a method of making an ultra-soft moisturizing cotton towel of the present invention;
FIG. 3 is a flow chart of a third embodiment of a method of making an ultra-soft moisturizing cotton towel of the present invention;
FIG. 4 is a flow chart of a fourth embodiment of a method of making an ultra-soft moisturizing cotton towel of the present invention;
FIG. 5 is a flow chart of a fifth embodiment of a method of making an ultra-soft moisturizing cotton towel of the present invention;
FIG. 6 is a flow chart of a sixth embodiment of a method of making an ultra-soft moisturizing cotton towel of the present invention;
fig. 7 is a flow chart of a seventh embodiment of a method for making an ultra-soft moisturizing cotton towel of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
A preparation method of an ultra-soft moisturizing cotton soft towel and a moisturizing cotton soft towel are provided, wherein the preparation method of the moisturizing cotton soft towel comprises the following seven steps:
referring to fig. 1, a moisturizing cotton soft towel is prepared by a padding method; firstly, preparing the all-cotton spunlace non-woven fabric, comprising the following steps:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The steps for preparing the all-cotton spunlace non-woven fabric can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water. Drying and coiling the spunlace non-woven fabric after the preparation is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 2-3 min;
and unwinding the all-cotton non-woven fabric after drying.
The all-cotton spunlace non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the cotton fiber to be entangled into cloth by using a spunlace machine by using needle-shaped water columns with large density formed after pressurization. The time from raw cotton to finished cloth is only 5 minutes, compared with the traditional woven cloth, the method saves spinning and weaving links, shortens working hours, greatly saves energy consumption, manpower and equipment, is low-carbon and environment-friendly, saves energy, reduces emission and effectively reduces production cost.
And (3) padding after the preparation of the all-cotton spunlace non-woven fabric is finished, adding the moisturizing emulsion into a padding tank when the moisturizing emulsion is coated by a padding method, and finishing the coating of the moisturizing emulsion through a padding process. The moisturizing emulsion comprises water, humectant and lipid, wherein the humectant is selected from hyaluronic acid (sodium), sodium pyrrolidone carboxylate, sodium lactate, polyalcohol such as glycerol, butanediol, sorbitol, etc., and the lipid is selected from vegetable oil, animal oil, etc. The moisture retention agent enables the finished cotton soft towel to have a moistening effect by absorbing air moisture, and the grease achieves the effects of softness, moistening and fineness by improving the touch feeling of the cotton soft towel.
Drying the all-cotton spunlace non-woven fabric coated with the moisturizing emulsion after padding is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 2-3 min;
drying to proper humidity, cutting and packaging.
As a further improvement of the technical scheme, the all-cotton non-woven fabric is moistened by moisturizing emulsion by adopting an impregnation method, the moisturizing emulsion is added into an impregnation tank, and the moisturizing of the all-cotton non-woven fabric by the moisturizing emulsion is completed through the impregnation process. The soaking process is carried out after drying and unwinding of the all-cotton spunlace non-woven fabric.
Referring to fig. 2, a moisturizing cotton soft towel is prepared by an impregnation method; firstly, preparing the all-cotton spunlace non-woven fabric, comprising the following steps:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The steps for preparing the all-cotton spunlace non-woven fabric can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
Drying and coiling the spunlace non-woven fabric after the preparation is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 2-3 min;
and unwinding the all-cotton non-woven fabric after drying.
The all-cotton spunlace non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the cotton fiber to be entangled into cloth by using a spunlace machine by using needle-shaped water columns with large density formed after pressurization. The time from raw cotton to finished cloth is only 5 minutes, compared with the traditional woven cloth, the method saves spinning and weaving links, shortens working hours, greatly saves energy consumption, manpower and equipment, is low-carbon and environment-friendly, saves energy, reduces emission and effectively reduces production cost.
And (3) carrying out impregnation treatment after the preparation of the all-cotton spunlace non-woven fabric is finished, moistening the all-cotton non-woven fabric by using a moisturizing emulsion by adopting an impregnation method, adding the moisturizing emulsion into an impregnation tank, and finishing the moistening of the moisturizing emulsion on the all-cotton non-woven fabric through an impregnation process. The moisturizing emulsion comprises water, humectant and lipid, wherein the humectant is selected from hyaluronic acid (sodium), sodium pyrrolidone carboxylate, sodium lactate, polyalcohol such as glycerol, butanediol, sorbitol, etc., and the lipid is selected from vegetable oil, animal oil, etc. The moisture retention agent enables the finished cotton soft towel to have a moistening effect by absorbing air moisture, and the grease achieves the effects of softness, moistening and fineness by improving the touch feeling of the cotton soft towel.
Drying the all-cotton spunlace non-woven fabric wetted with the moisturizing emulsion after the impregnation is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 5-9min during the drying;
drying to proper humidity, cutting and packaging.
Referring to fig. 3, a moisturizing cotton soft towel is prepared by a roll coating method; firstly, preparing the all-cotton spunlace non-woven fabric, comprising the following steps:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The steps for preparing the all-cotton spunlace non-woven fabric can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
Drying and coiling the spunlace non-woven fabric after the preparation is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 2-3 min;
and unwinding the all-cotton non-woven fabric after drying.
The all-cotton spunlace non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the cotton fiber to be entangled into cloth by using a spunlace machine by using needle-shaped water columns with large density formed after pressurization. The time from raw cotton to finished cloth is only 5 minutes, compared with the traditional woven cloth, the method saves spinning and weaving links, shortens working hours, greatly saves energy consumption, manpower and equipment, is low-carbon and environment-friendly, saves energy, reduces emission and effectively reduces production cost.
And (3) carrying out roller coating treatment after the preparation of the all-cotton spunlace non-woven fabric is finished, diluting the moisturizing emulsion and adding the diluted moisturizing emulsion into a roller coating groove when the moisturizing emulsion is coated by adopting a roller coating method, and finishing the coating of the moisturizing emulsion through the roller coating process. The moisturizing emulsion comprises water, humectant and lipid, wherein the humectant is selected from hyaluronic acid (sodium), sodium pyrrolidone carboxylate, sodium lactate, polyalcohol such as glycerol, butanediol, sorbitol, etc., and the lipid is selected from vegetable oil, animal oil, etc. The moisture retention agent enables the finished cotton soft towel to have a moistening effect by absorbing air moisture, and the grease achieves the effects of softness, moistening and fineness by improving the touch feeling of the cotton soft towel.
And after the roller coating is finished, drying the all-cotton spunlaced non-woven fabric coated with the moisturizing emulsion in a drying mode including drying and natural air drying, preferably performing natural air drying treatment for saving production energy, and performing air drying to proper humidity, slitting and packaging.
Referring to fig. 4, the moisturizing cotton soft towel is prepared by a printing method; firstly, preparing the all-cotton spunlace non-woven fabric, comprising the following steps:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The steps for preparing the all-cotton spunlace non-woven fabric can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
Drying and coiling the spunlace non-woven fabric after the preparation is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 2-3 min;
and unwinding the all-cotton non-woven fabric after drying.
The all-cotton spunlace non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the cotton fiber to be entangled into cloth by using a spunlace machine by using needle-shaped water columns with large density formed after pressurization. The time from raw cotton to finished cloth is only 5 minutes, compared with the traditional woven cloth, the method saves spinning and weaving links, shortens working hours, greatly saves energy consumption, manpower and equipment, is low-carbon and environment-friendly, saves energy, reduces emission and effectively reduces production cost.
Printing treatment is carried out after the preparation of the all-cotton spunlace non-woven fabric is finished, and when the printing method is adopted for coating the moisturizing emulsion, the non-woven fabric is printed by taking the moisturizing emulsion as printing liquid. The moisturizing emulsion comprises water, humectant and lipid, wherein the humectant is selected from hyaluronic acid (sodium), sodium pyrrolidone carboxylate, sodium lactate, polyalcohol such as glycerol, butanediol, sorbitol, etc., and the lipid is selected from vegetable oil, animal oil, etc. The moisture retention agent enables the finished cotton soft towel to have a moistening effect by absorbing air moisture, and the grease achieves the effects of softness, moistening and fineness by improving the touch feeling of the cotton soft towel.
And after printing is finished, drying the all-cotton spunlaced non-woven fabric coated with the moisturizing emulsion in a drying mode including drying and natural air drying, preferably performing natural air drying treatment for saving production energy, drying to proper humidity, slitting and packaging.
Referring to fig. 5, a moisturizing cotton soft towel is prepared by a printing method; firstly, preparing the all-cotton spunlace non-woven fabric, comprising the following steps:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The steps for preparing the all-cotton spunlace non-woven fabric can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
Drying and coiling the spunlace non-woven fabric after the preparation is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 2-3 min;
and unwinding the all-cotton non-woven fabric after drying.
The all-cotton spunlace non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the cotton fiber to be entangled into cloth by using a spunlace machine by using needle-shaped water columns with large density formed after pressurization. The time from raw cotton to finished cloth is only 5 minutes, compared with the traditional woven cloth, the method saves spinning and weaving links, shortens working hours, greatly saves energy consumption, manpower and equipment, is low-carbon and environment-friendly, saves energy, reduces emission and effectively reduces production cost.
Printing treatment is carried out after the preparation of the all-cotton spunlace non-woven fabric is finished, and when the moisture-preserving emulsion is coated by adopting a printing method, the moisture-preserving emulsion is used as printing slurry for carrying out printing finishing on the non-woven fabric after a high-molecular thickening agent is added into the moisture-preserving emulsion. The moisturizing emulsion comprises water, humectant and lipid, wherein the humectant is selected from hyaluronic acid (sodium), sodium pyrrolidone carboxylate, sodium lactate, polyalcohol such as glycerol, butanediol, sorbitol, etc., and the lipid is selected from vegetable oil, animal oil, etc. The moisture retention agent enables the finished cotton soft towel to have a moistening effect by absorbing air moisture, and the grease achieves the effects of softness, moistening and fineness by improving the touch feeling of the cotton soft towel.
And after printing, drying the all-cotton spunlace non-woven fabric added with the moisturizing emulsion at the drying temperature of 60-120 ℃ for 5-10min, preferably at the drying temperature of 80-100 ℃ for 7-9 min. And after drying, unwinding, slitting and packaging.
Referring to fig. 6, the moisturizing cotton soft towel is prepared by a dry cloth spraying method; firstly, preparing the all-cotton spunlace non-woven fabric, comprising the following steps:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The steps for preparing the all-cotton spunlace non-woven fabric can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
Drying and coiling the spunlace non-woven fabric after the preparation is finished, wherein the preferable drying temperature is 120-130 ℃ and the drying time is 2-3 min;
and unwinding the all-cotton non-woven fabric after drying.
The all-cotton spunlace non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the cotton fiber to be entangled into cloth by using a spunlace machine by using needle-shaped water columns with large density formed after pressurization. The time from raw cotton to finished cloth is only 5 minutes, compared with the traditional woven cloth, the method saves spinning and weaving links, shortens working hours, greatly saves energy consumption, manpower and equipment, is low-carbon and environment-friendly, saves energy, reduces emission and effectively reduces production cost.
The dry cloth spraying method is non-contact spraying, and the non-contact spraying ensures the components of the moisturizing emulsion, the softness of the cotton soft towel and the cleanness of the moisturizing solution. The moisturizing emulsion comprises water, humectant and lipid, wherein the humectant is selected from hyaluronic acid (sodium), sodium pyrrolidone carboxylate, sodium lactate, polyalcohol such as glycerol, butanediol, sorbitol, etc., and the lipid is selected from vegetable oil, animal oil, etc. The moisture retention agent enables the finished cotton soft towel to have a moistening effect by absorbing air moisture, and the grease achieves the effects of softness, moistening and fineness by improving the touch feeling of the cotton soft towel.
The spraying process comprises the following steps: firstly, diluting the emulsion by using pure water, diluting the emulsion by adding 1-10 times of pure water into stock solution, preferably adding 5-6 times of pure water into the stock solution, diluting, spraying by using high-pressure spraying after diluting, wherein the total spraying amount is 0.1 g/square meter-10 g/square meter, preferably 0.2 g/square meter-5 g/square meter, and the single-side spraying ensures that the wettability of the moisturizing emulsion is high and the operation is convenient. The double-sided spraying is that the spraying of the moisturizing solution is more uniform, and the moisturizing effects of the two sides are the same, so the double-sided spraying is preferred, and the spraying amount of each side is 0.1 g/square meter to 2.5 g/square meter during the double-sided spraying.
And after the dry cloth is sprayed, drying the all-cotton spunlaced non-woven fabric coated with the moisturizing emulsion in a drying mode including drying and natural air drying, preferably performing natural air drying treatment for saving production energy, drying to a proper humidity, slitting and packaging.
Referring to fig. 7, the wet cloth spraying method is used for preparing the moisturizing cotton soft towel; firstly, preparing the all-cotton spunlace non-woven fabric, comprising the following steps:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
The steps for preparing the all-cotton spunlace non-woven fabric can also be as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
The all-cotton spunlace non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the cotton fiber to be entangled into cloth by using a spunlace machine by using needle-shaped water columns with large density formed after pressurization. The time from raw cotton to finished cloth is only 5 minutes, compared with the traditional woven cloth, the method saves spinning and weaving links, shortens working hours, greatly saves energy consumption, manpower and equipment, is low-carbon and environment-friendly, saves energy, reduces emission and effectively reduces production cost.
The wet cloth spraying method adopts non-contact spraying, and the non-contact spraying ensures the components of the moisturizing emulsion, the softness of the cotton soft towel and the cleanness of the moisturizing solution. The moisturizing emulsion comprises water, humectant and lipid, wherein the humectant is selected from hyaluronic acid (sodium), sodium pyrrolidone carboxylate, sodium lactate, polyalcohol such as glycerol, butanediol, sorbitol, etc., and the lipid is selected from vegetable oil, animal oil, etc. The moisture retention agent enables the finished cotton soft towel to have a moistening effect by absorbing air moisture, and the grease achieves the effects of softness, moistening and fineness by improving the touch feeling of the cotton soft towel.
The spraying process comprises the following steps: firstly, diluting the emulsion by using pure water, diluting the emulsion by adding 1-10 times of pure water into stock solution, preferably adding 5-6 times of pure water into the stock solution for dilution, and spraying by using high-pressure spraying after dilution, wherein the total spraying amount during spraying is 5 g/square meter-50 g/square meter, and the preferred total spraying amount is 10 g/square meter-30 g/square meter. The single-side spraying ensures that the wetting property of the moisturizing emulsion is high and the operation is convenient. The double-sided spraying is that the spraying of the moisturizing solution is more uniform, and the moisturizing effects of the two sides are the same, so the double-sided spraying is preferred, and the spraying amount of each side is 5 g/square meter to 15 g/square meter.
The wet cloth spraying adopts a one-step drying method, so that the production energy consumption can be saved. The spraying device can be additionally arranged on the original liquid removing and drying equipment of the production line, and continuous production can be realized. The process steps are few, and the pollution caused by secondary transfer is reduced. The emulsion is diluted and then sprayed on wet all-cotton spunlace, the spraying amount is relatively large, so that the moisturizing emulsion can completely penetrate into the inner layer of the cloth, the fibers are completely moistened, and the cloth is wholly soft after being dried and is not limited to the surface of the cloth.
And after the wet cloth is sprayed, drying the all-cotton spunlace non-woven fabric coated with the moisturizing emulsion at the drying temperature of 100-. And after drying, unwinding, slitting and packaging.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (11)

1. A preparation method of an ultra-soft moisturizing cotton soft towel is characterized by comprising the following steps: the method comprises the following steps: preparing all-cotton spunlaced non-woven fabric; drying and coiling the spunlace non-woven fabric; unwinding the all-cotton non-woven fabric after drying; coating a moisturizing emulsion; drying, namely drying the all-cotton spunlaced non-woven fabric coated with the moisturizing emulsion; rolling and slitting, namely rolling and slitting the dried all-cotton spunlace non-woven fabric; folding and packaging, namely folding and packaging the cut all-cotton spunlaced non-woven fabric to obtain a finished cotton soft towel.
2. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 1, wherein the method comprises the following steps: the steps for preparing the all-cotton spunlace non-woven fabric are as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: carding the cleaned raw cotton, wherein the carding process comprises the following steps: firstly, carding, decomposing cotton blocks into single fiber state, then removing fine impurities and short fibers in cotton rolls, and finally, fully and uniformly mixing the fibers to prepare a cotton net meeting the requirements;
c: the carded cotton net is repeatedly staggered and overlapped in the fiber direction;
d: carrying out spunlace entanglement on the raw cotton cloth, wherein the spunlace entanglement process comprises the following steps: the method comprises the following steps of (1) jetting a fiber web by adopting a plurality of strands of fine water jets generated by high pressure, so that fibers in the cotton fiber web are displaced, interpenetrated, tangled and cohered under the hydraulic action of high-speed water jets interpenetrated in different directions, and the fiber web is made into a reinforced spunlace non-woven fabric;
e: bleaching and dewatering the spunlace non-woven fabric.
3. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 1, wherein the method comprises the following steps: the steps for preparing the all-cotton spunlace non-woven fabric are as follows:
A. the cotton cleaning of raw cotton, carry on the edulcoration to pure natural lint at first, screen and remove three silks, foreign matter in the raw cotton;
b: primary carding: carding the fibers into an ordered arrangement, and further removing impurities in the raw materials, wherein the primary carding comprises opening and carding; opening, namely opening and removing impurities from raw cotton by a carding machine and making the raw cotton into a single fiber state; carding, namely carding cotton by using a carding machine to remove fine impurities so as to smooth single fibers, and carding the cotton fibers according to the longitudinal direction of the original cotton fibers so as to exert the tension between the fibers to the maximum;
c: degreasing: removing wax or grease on cotton fibers;
d: bleaching;
e: secondary carding: carding the fibers into an ordered arrangement, and removing neps generated in degreasing and bleaching, wherein secondary carding is carding; carding, namely carding cotton to remove fine impurities so as to enable fibers to be combed smoothly and tidily, further removing fine impurities and cleaning and filtering shorter and inferior cotton fibers, and ensuring the fiber tension of a cotton net entering the next process;
f: lapping: the carded cotton net is repeatedly, alternately and overlappingly spread according to the direction of cotton fibers of the cotton net, so that the tensile strength is ensured;
g: the web is entangled with a high pressure stream of water.
4. The method for preparing an ultra-soft moisturizing cotton towel as claimed in claim 2 or 3, wherein the method comprises the following steps: the method for coating the moisturizing emulsion comprises a padding method, a dipping method, a roller coating method, a printing method and a spraying method, wherein the moisturizing emulsion is composed of water, a moisturizing agent and lipid, the moisturizing agent comprises hyaluronic acid (sodium), sodium pyrrolidone carboxylate, lactic acid (sodium) and polyhydric alcohols such as glycerol and butanediol, sorbitol, and the lipid comprises vegetable oil and animal fat.
5. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 4, wherein the method comprises the following steps: when the coating of the moisturizing emulsion is carried out by adopting a padding method, the moisturizing emulsion is added into a padding groove, the coating of the moisturizing emulsion is completed through the padding process, and the coating of the moisturizing solution is carried out after the all-cotton spunlace non-woven fabric is dried and unwound when the padding method is adopted; when the soaking method is adopted for coating the moisturizing emulsion, the moisturizing emulsion is added into the soaked solution for direct soaking, and when the soaking method is adopted for coating the moisturizing solution, the all-cotton spunlace non-woven fabric is dried and unwound.
6. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 4, wherein the method comprises the following steps: when the roll coating method is adopted for coating the moisturizing emulsion, the moisturizing emulsion is diluted and then added into a roll coating groove, the coating of the moisturizing emulsion is completed through the roll coating process, and the roll coating method is carried out after the all-cotton spunlace non-woven fabric is dried and unwound when the moisturizing emulsion is coated by the roll coating method.
7. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 4, wherein the method comprises the following steps: when the printing method is adopted for coating the moisturizing emulsion, the moisturizing emulsion is used as printing liquid to print the non-woven fabric, the printing comprises flexographic printing and gravure printing, and the printing method is carried out after the all-cotton spunlace non-woven fabric is dried and unwound.
8. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 4, wherein the method comprises the following steps: when the printing method is adopted for coating the moisturizing emulsion, the moisturizing emulsion is thickened after the macromolecular thickener is added into the moisturizing emulsion, and then the moisturizing emulsion is used as printing slurry to print the non-woven fabric, wherein the printing comprises flat screen printing and rotary screen printing, and the printing method is carried out after the all-cotton spunlace non-woven fabric is dried and unwound.
9. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 4, wherein the method comprises the following steps: the spraying method comprises a dry cloth spraying method and a wet cloth spraying method, wherein the wet cloth spraying method is carried out after preparing the all-cotton non-woven fabric; the dry cloth spraying method is carried out after the all-cotton spunlace non-woven fabric is dried and unwound; the dry cloth spraying method adopts non-contact spraying, firstly emulsion dilution is carried out, the emulsion is diluted by pure water, the pure water amount is 1-10 times of the emulsion, high-pressure spraying is adopted for spraying after dilution, the total spraying amount is 0.1 g/square meter to 10 g/square meter during spraying, the spraying method comprises single-side spraying and double-side spraying, and 0.1 g/square meter to 2.5 g/square meter is sprayed on each side during double-side spraying; the wet cloth spraying method adopts non-contact spraying, firstly emulsion dilution is carried out, the emulsion is diluted by pure water, the pure water amount is 1-10 times of the emulsion, high-pressure spraying is adopted for spraying after dilution, the total spraying amount is 5 g/square meter-50 g/square meter during spraying, the spraying method comprises single-side spraying and double-side spraying, and each side is sprayed with 5 g/square meter-15 g/square meter during double-side spraying.
10. The method for preparing the super-soft moisturizing cotton towel as claimed in claim 4, wherein the method comprises the following steps: the drying process comprises drying and natural drying, wherein the drying can be used after the moisturizing emulsion is coated by a padding method, a dipping method, a roller coating method, a printing method, a dry cloth spraying method and a wet cloth spraying method, and the natural drying is used after the moisturizing solution is coated by the printing method, the roller coating method and the dry cloth spraying method.
11. The super-soft moisturizing cotton towel is characterized in that: the moisturizing cotton soft towel is prepared by the preparation method of claims 1-9.
CN202010107565.5A 2020-02-21 2020-02-21 Preparation method of super-soft moisturizing cotton soft towel and super-soft moisturizing cotton soft towel Pending CN111270412A (en)

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CN112538763A (en) * 2020-11-19 2021-03-23 芜湖福派卫生用品有限公司 Production process method of face washing towel
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CN115928496A (en) * 2021-08-16 2023-04-07 广州培羽无纺制品有限公司 High-moisture-retention cotton soft towel and preparation method thereof
CN115607460A (en) * 2022-10-25 2023-01-17 福建亿发护理用品有限公司 Preparation method of skin-care soft towel
CN115948880A (en) * 2023-02-28 2023-04-11 昌正健康护理(盐城)有限公司 Preparation method and preparation equipment of super-soft moisturizing cotton soft towel

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Application publication date: 20200612