CN117026515A - Preparation method of high-hydrophilicity non-woven fabric for cosmetic use - Google Patents
Preparation method of high-hydrophilicity non-woven fabric for cosmetic use Download PDFInfo
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- CN117026515A CN117026515A CN202311010622.8A CN202311010622A CN117026515A CN 117026515 A CN117026515 A CN 117026515A CN 202311010622 A CN202311010622 A CN 202311010622A CN 117026515 A CN117026515 A CN 117026515A
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- woven fabric
- carboxymethyl cellulose
- fiber
- cosmetic use
- cellulose fiber
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 67
- 239000002537 cosmetic Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 112
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 68
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 68
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 68
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 68
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 25
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 238000009960 carding Methods 0.000 claims abstract description 17
- 238000005098 hot rolling Methods 0.000 claims abstract description 15
- 238000006467 substitution reaction Methods 0.000 claims abstract description 14
- 238000013329 compounding Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002334 Spandex Polymers 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000004626 polylactic acid Substances 0.000 claims description 2
- 239000004759 spandex Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000004677 Nylon Substances 0.000 claims 1
- 229920002978 Vinylon Polymers 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 229920000747 poly(lactic acid) Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000005213 imbibition Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000003796 beauty Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000013538 functional additive Substances 0.000 description 4
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229920006052 Chinlon® Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 229930003427 Vitamin E Natural products 0.000 description 1
- HGINCPLSRVDWNT-UHFFFAOYSA-N acrylaldehyde Natural products C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920002674 hyaluronan Polymers 0.000 description 1
- 229960003160 hyaluronic acid Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- HSFQBFMEWSTNOW-UHFFFAOYSA-N sodium;carbanide Chemical group [CH3-].[Na+] HSFQBFMEWSTNOW-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/544—Olefin 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/548—Acrylonitrile 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/549—Polyamides
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/55—Polyesters
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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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/551—Resins thereof not provided for in groups D04H1/544 - D04H1/55
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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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—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 by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention provides a preparation method of a high-hydrophilicity non-woven fabric for cosmetic use, which comprises the steps of blending carboxymethyl cellulose fibers and thermoplastic fibers, lapping, carding, compounding and hot-rolling to prepare the non-woven fabric. The gram weight of the high-hydrophilicity non-woven fabric for cosmetic use prepared by the invention is 10g/m 2 ～45g/m 2 The liquid absorption rate is more than 10 times, and the liquid absorption is good, and meanwhile, the machine is mechanicalThe performance is also very excellent, the processability is strong, the shape of the non-woven fabric after imbibition is not easy to change, and the non-woven fabric can be used as a mask base material to be applied to the field of beauty and make-up. The addition ratio of carboxymethyl cellulose fiber in the non-woven fabric is controlled to be preferably 35-65%, the addition ratio of thermoplastic fiber is preferably 35-65%, and the density of the non-woven fabric is controlled to be 0.15g/cm 3 ～0.4g/cm 3 The carboxymethyl cellulose fiber with the substitution degree of 0.2-0.55 is selected, and the carboxymethyl cellulose fiber supplement each other, so that the problem that the carboxymethyl cellulose fiber is dissolved in water and falls off from the non-woven fabric after the non-woven fabric absorbs liquid can be effectively solved, and meanwhile, the non-woven fabric is soft, light and good in skin feel.
Description
Technical Field
The invention belongs to the technical field of non-woven fabrics, and particularly relates to a preparation method of a high-hydrophilicity non-woven fabric for cosmetic use.
Background
Carboxymethyl cellulose is a cellulose ether prepared by carboxymethyl cellulose, has good biocompatibility and high hygroscopicity, and the aqueous solution of the carboxymethyl cellulose has the functions of thickening, film forming, adhesion, moisture retention, colloid protection, emulsification, suspension and the like, and is widely applied to industries of petroleum, food, medicine, textile, papermaking and the like. The carboxymethyl cellulose fiber forms gel when meeting water, wherein a large amount of hydroxyl (-OH) and carboxyl (-COOH) endow the fiber with unique hydrophilic performance, and the prepared mask paper can load a large amount of water, so that the service time is prolonged, and the skin is moisturized for a longer time. In addition, the carboxymethyl cellulose can be used as a carrier of functional additives (such as hyaluronic acid, vitamin E and the like) after being gelled, has good compatibility with the functional additives, can effectively release the functional additives, and can help the functional additives to permeate into the skin.
However, the carboxymethyl cellulose fiber has poor mechanical properties, the fiber basically has no strength after meeting water, has poor space forming effect, and the non-woven fabric prepared by simply adopting the carboxymethyl cellulose fiber has poor processability and high cost; the non-woven fabric without carboxymethyl cellulose fiber has poor hydrophilic performance and no gel, and is unfavorable for application in the aspect of membrane cloth base materials for beauty.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the preparation method of the high-hydrophilicity non-woven fabric for cosmetic use, and the purposes of large liquid absorption capacity and good mechanical property of the non-woven fabric are achieved.
In order to solve the technical problems, the invention adopts the following technical scheme:
a preparation method of a high-hydrophilicity non-woven fabric for cosmetic use comprises the following steps:
s1, blending carboxymethyl cellulose fiber and thermoplastic fiber to obtain mixed fiber;
s2, feeding the mixed fibers into a lapping machine for transverse and longitudinal cross folding for 5 layers, and then feeding the mixed fibers into a main carding machine for carding;
s3, after carding, introducing a fiber web conveying curtain, then carrying out three-layer compounding, and feeding into a hot roller for hot rolling to prepare the high-hydrophilicity non-woven fabric with a certain gram weight.
Preferably, the thermoplastic fiber is one or more of terylene, acrylon, chinlon, spandex, polypropylene, polylactic acid (PLA) fiber and ES fiber.
Preferably, the addition ratio of the carboxymethyl cellulose fiber is preferably 35 to 65% and the addition ratio of the thermoplastic fiber is preferably 35 to 65% by mass percent.
Preferably, the linear density of the carboxymethyl cellulose fiber is 0.8 dtex-2.0 dtex, and the length is 1.5 cm-10.0 cm; the linear density of the thermoplastic fiber is 0.8 dtex-2.0 dtex, and the length is 1.5 cm-10.0 cm.
Preferably, the hot rolling temperature is 130-260 ℃ and the hot roller pressure is 0.5-2 MPa.
Preferably, the gram weight of the high-hydrophilicity non-woven fabric is 10g/m 2 ～45g/m 2 The liquid absorption rate is more than 10 times, and the density is 0.15g/cm 3 ～0.4g/cm 3 。
In order to make the non-woven fabric have good liquid absorption and excellent mechanical properties at the same time, a great amount of experiments are carried out by the applicant, and in the research process, the prepared high-hydrophilicity non-woven fabric mainly plays a role of carboxymethyl cellulose fiber when the non-woven fabric is used as a mask substrate to absorb liquid. However, surprisingly, the phenomenon that the carboxymethyl cellulose fiber is dissolved and falls off after a large amount of liquid is absorbed by the high-hydrophilicity non-woven fabric, and the carboxymethyl cellulose fiber bears a large amount of moisture and essence, so that the substrate of the facial mask is uneven after falling off, the skin care and moisture preservation effects are greatly reduced, and the essence is wasted.
In order to avoid falling off from the non-woven fabric after the absorption of the carboxymethyl cellulose fiber, the applicant continues to study and summarizes three factors influencing the bonding effect of the carboxymethyl cellulose fiber and the non-woven fabric after the absorption of the carboxymethyl cellulose fiber, and the three factors are as follows:
(1) Ratio of carboxymethyl cellulose fiber to thermoplastic fiber in highly hydrophilic nonwoven fabric
When the mixed fibers enter a hot roller on a hot rolling mill from a main carding machine for hot rolling, the fibers are melted and reinforced by the pressure and the temperature of the hot roller, the hot roller is provided with a rolling point, the temperature at the rolling point enables thermoplastic fibers to be melted, the fibers are adhered to each other to form a non-woven fabric, and swelling of the carboxymethyl cellulose fibers after imbibition is limited in the non-woven fabric in a 'venation' shape after the thermoplastic fibers are adhered. Meanwhile, the addition proportion of the thermoplastic fibers has great influence on the performance of the non-woven fabric, and when the thermoplastic fibers occupy too small proportion, the mixed fibers are difficult to be hot rolled into the non-woven fabric; when the thermoplastic fiber is excessively large, the nonwoven fabric for cosmetic use is stiff and gives a poor skin feel when used, and therefore, the carboxymethyl cellulose fiber is preferably added in an amount of 35 to 65% by mass, and the thermoplastic fiber is preferably added in an amount of 35 to 65% by mass.
(2) Density of highly hydrophilic nonwoven
When the density of the high-hydrophilicity non-woven fabric is too high, the space between venation in the non-woven fabric is small, moisture cannot permeate into the cloth during liquid suction, carboxymethyl cellulose fiber cannot swell, the cloth is stiff when meeting water, and the skin feel is poor; when the density is too small, the constraint of the non-woven fabric 'venation' structure on the carboxymethyl cellulose fiber is small, and when the swelling limit of the carboxymethyl cellulose fiber is exceeded, the carboxymethyl cellulose fiber can be dissolved in water, and the carboxymethyl cellulose water solution flows away from the cloth due to the influence of gravity, so the density of the non-woven fabric is designed to be 0.15g/cm 3 ～0.4g/cm 3 。
(3) Degree of substitution of carboxymethyl cellulose in carboxymethyl cellulose fiber
The substitution degree refers to the number of substitution of hydroxyl groups (-0H) on average per glucose ring in the cellulose molecule with sodium methyl groups (-CH 2 COONa) via ether bonds. If the substitution degree of the carboxymethyl cellulose is too high, the liquid absorption amount of the carboxymethyl cellulose fiber is too large, the swelling-dissolving interval of the carboxymethyl cellulose is too narrow, the constraint of the 'venation' structure in the non-woven fabric on the carboxymethyl cellulose fiber in the non-woven fabric is still insufficient under the condition of meeting the fiber proportion and density in the non-woven fabric, and the water-soluble non-woven fabric falls off when the swelling limit of the carboxymethyl cellulose fiber is exceeded; the substitution degree is too low, the liquid absorption is poor, the cloth is stiff when meeting water, and the skin feel is poor.
The addition proportion of the carboxymethyl cellulose fibers and the thermoplastic fibers in the non-woven fabric and the density of the non-woven fabric are designed, and the swelling space of the carboxymethyl cellulose fibers is limited by utilizing a 'vein' structure formed by hot rolling of the thermoplastic fibers, so that the swelling and insolubility of the carboxymethyl cellulose fibers after a large amount of liquid absorption are realized. Therefore, the thermoplastic fiber in the nonwoven fabric is preferably added at a ratio of 35% to 65% and the nonwoven fabric has a density of 0.15g/cm 3 ～0.4g/cm 3 On the premise of selecting carboxymethyl cellulose fiber with the substitution degree of 0.2-0.55, and the three are complemented with each other, so that the problem that the carboxymethyl cellulose fiber is dissolved in water and falls off from the non-woven fabric after the non-woven fabric absorbs liquid can be effectively solved.
By adopting the technical scheme, the invention has the following technical effects:
1. the high-hydrophilicity non-woven fabric for cosmetic use prepared by the invention mixes the carboxymethyl cellulose fiber and the thermoplastic fiber and then carries out hot rolling, the liquid absorption rate of the non-woven fabric is more than 10 times, the non-woven fabric has good liquid absorption, meanwhile, the mechanical property is very excellent, the processability is strong, the shape of the non-woven fabric after liquid absorption is not easy to change, and the non-woven fabric can be used as a mask base material to be applied to the field of cosmetic.
2. The addition ratio of carboxymethyl cellulose fiber in the non-woven fabric is controlled to be preferably 35-65%, the addition ratio of thermoplastic fiber is preferably 35-65%, and the density of the non-woven fabric is controlled to be 0.15g/cm 3 ～0.4g/cm 3 The carboxymethyl cellulose fiber with the substitution degree of 0.2-0.55 is selected, and the carboxymethyl cellulose fiber supplement each other, so that the problem that the carboxymethyl cellulose fiber is dissolved in water and falls off from the non-woven fabric after the non-woven fabric absorbs liquid can be effectively solved, and meanwhile, the non-woven fabric is soft, light and good in skin feel.
Detailed Description
The invention will be further illustrated with reference to specific examples.
Example 1 a method for preparing a highly hydrophilic nonwoven for cosmetic use, comprising the steps of:
s1, blending 55% of carboxymethyl cellulose fibers and 45% of polypropylene fibers according to mass percentage to obtain mixed fibers.
S2, feeding the mixed fibers into a lapping machine for transverse and longitudinal cross folding for 5 layers, and then feeding the mixed fibers into a main carding machine for carding;
s3, after carding, introducing a fiber web conveying curtain, then carrying out three-layer compounding, and feeding into a hot roller for hot rolling to prepare the high-hydrophilicity non-woven fabric with a certain gram weight.
The linear density of the carboxymethyl cellulose fiber in the S1 is 1.5dtex, and the length is 3.5cm; the thermoplastic fiber has a linear density of 1.5dtex and a length of 3.5cm.
And the hot rolling temperature in the step S3 is 170 ℃, and the hot roll pressure is 0.9MPa.
The gram weight of the high-hydrophilicity non-woven fabric is 25g/m 2 The liquid absorption rate is 12 times, and the density is 0.3g/cm 3 。
The degree of substitution of carboxymethyl cellulose in the carboxymethyl cellulose fiber is 0.37.
Example 2 a method for preparing a highly hydrophilic nonwoven for cosmetic use, comprising the steps of:
s1, blending 35% of carboxymethyl cellulose fibers and 65% of polyester fibers according to mass percentage to obtain mixed fibers.
S2, feeding the mixed fibers into a lapping machine for transverse and longitudinal cross folding for 5 layers, and then feeding the mixed fibers into a main carding machine for carding;
s3, after carding, introducing a fiber web conveying curtain, then carrying out three-layer compounding, and feeding into a hot roller for hot rolling to prepare the high-hydrophilicity non-woven fabric with a certain gram weight.
The linear density of the carboxymethyl cellulose fiber in the S1 is 0.8dtex, and the length is 1.5cm; the thermoplastic fiber has a linear density of 0.8dtex and a length of 1.5cm.
And in the step S3, the hot rolling temperature is 260 ℃, and the hot roller pressure is 2MPa.
The gram weight of the high-hydrophilicity non-woven fabric is 45g/m 2 The liquid absorption rate is 10.5 times and the density is 0.4g/cm 3 。
The degree of substitution of carboxymethyl cellulose in the carboxymethyl cellulose fiber is 0.2.
Example 3 a method for preparing a highly hydrophilic nonwoven for cosmetic use, comprising the steps of:
s1, blending 65% of carboxymethyl cellulose fibers and 35% of nylon fibers according to mass percentage to obtain mixed fibers.
S2, feeding the mixed fibers into a lapping machine for transverse and longitudinal cross folding for 5 layers, and then feeding the mixed fibers into a main carding machine for carding;
s3, after carding, introducing a fiber web conveying curtain, then carrying out three-layer compounding, and feeding into a hot roller for hot rolling to prepare the high-hydrophilicity non-woven fabric with a certain gram weight.
The linear density of the carboxymethyl cellulose fiber in the S1 is 2.0dtex, and the length is 10.0cm; the thermoplastic fiber has a linear density of 2.0dtex and a length of 10.0cm.
And in the step S3, the hot rolling temperature is 220 ℃, and the hot roller pressure is 0.5MPa.
The gram weight of the high-hydrophilicity non-woven fabric is 10g/m 2 The liquid absorption rate is 14 times, and the density is 0.15g/cm 3 。
The degree of substitution of carboxymethyl cellulose in the carboxymethyl cellulose fiber is 0.55.
Comparative example 1
Representative example 1 was selected, instead of carboxymethyl cellulose fiber having a degree of substitution of 0.1 for carboxymethyl cellulose, the remainder being identical to example 1.
Comparative example 2
Representative example 1 was selected, instead of carboxymethyl cellulose fiber having a degree of substitution of 0.7 for carboxymethyl cellulose, the remainder being identical to example 1.
Comparative example 3
Representative example 1 was selected to control the density of the highly hydrophilic nonwoven to 0.05g/cm 3 The remainder were the same as in example 1.
Comparative example 4
Representative example 1 was selected to control the density of the highly hydrophilic nonwoven to 0.5g/cm 3 The remainder were the same as in example 1.
The liquid absorption rate of the nonwoven fabrics in examples and comparative examples was measured and compared, and the specific results are shown in Table 1.
TABLE 1
Note that: the liquid absorption rate detection method comprises the following steps:
1. a 5cm x 5cm nonwoven fabric sample of known mass was placed in a petri dish.
2. A test solution (water) preheated to (37.+ -. 1) ℃ was added, the mass of which was 40 times (5 g) that of the test material.
3. Transferring into a drying oven, and maintaining at (37+ -1deg.C) for 30min.
4. The sample was held at one corner or end with forceps and was weighed after hanging for 30 seconds.
5. Imbibition ratio = weight after imbibition/weight before imbibition.
The proportions are mass proportions, and the percentages are mass percentages, unless otherwise specified; the raw materials are all commercially available.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for preparing a highly hydrophilic non-woven fabric for cosmetic use, characterized in that the method comprises the following steps:
s1, blending carboxymethyl cellulose fiber and thermoplastic fiber to obtain mixed fiber;
s2, feeding the mixed fibers into a lapping machine for transverse and longitudinal cross folding for 5 layers, and then feeding the mixed fibers into a main carding machine for carding;
s3, after carding, introducing a fiber web conveying curtain, then carrying out three-layer compounding, and feeding into a hot roller for hot rolling to prepare the high-hydrophilicity non-woven fabric with a certain gram weight.
2. The method for preparing a highly hydrophilic nonwoven for cosmetic use according to claim 1, wherein the thermoplastic fiber is one or more of polyester, acrylic, nylon, vinylon, spandex, polypropylene, polylactic acid fiber, and ES fiber.
3. The method for preparing a highly hydrophilic nonwoven for cosmetic use according to claim 1, wherein the addition ratio of the carboxymethyl cellulose fiber is 35% to 65% and the addition ratio of the thermoplastic fiber is 35% to 65% by mass.
4. The method for preparing a highly hydrophilic nonwoven for cosmetic use according to claim 1, wherein the carboxymethyl cellulose fiber has a linear density of 0.8dtex to 2.0dtex and a length of 1.5cm to 10.0cm; the linear density of the thermoplastic fiber is 0.8 dtex-2.0 dtex, and the length is 1.5 cm-10.0 cm.
5. The method for producing a highly hydrophilic nonwoven for cosmetic use according to claim 1, wherein the hot rolling temperature is 130 ℃ to 260 ℃ and the hot roll pressure is 0.5MPa to 2MPa.
6. The method for preparing a highly hydrophilic nonwoven for cosmetic use according to claim 1, wherein the gram weight of the highly hydrophilic nonwoven is 10g/m 2 ～45g/m 2 The liquid absorption rate is more than 10 times, and the density is 0.15g/cm 3 ～0.4g/cm 3 。
7. The method for producing a highly hydrophilic nonwoven for cosmetic use according to claim 1, wherein the degree of substitution of carboxymethyl cellulose in the carboxymethyl cellulose fiber is 0.2 to 0.55.
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