CN111544310A - Non-irritant antibacterial disinfectant wet tissue and preparation method thereof - Google Patents
Non-irritant antibacterial disinfectant wet tissue and preparation method thereof Download PDFInfo
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- CN111544310A CN111544310A CN202010468674.XA CN202010468674A CN111544310A CN 111544310 A CN111544310 A CN 111544310A CN 202010468674 A CN202010468674 A CN 202010468674A CN 111544310 A CN111544310 A CN 111544310A
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- wet tissue
- base material
- fibers
- antibacterial
- modified polypropylene
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 56
- 239000000645 desinfectant Substances 0.000 title claims abstract description 19
- 239000002085 irritant Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title description 9
- 239000000463 material Substances 0.000 claims abstract description 67
- 239000000835 fiber Substances 0.000 claims abstract description 57
- 239000004743 Polypropylene Substances 0.000 claims abstract description 56
- -1 polypropylene Polymers 0.000 claims abstract description 55
- 229920001155 polypropylene Polymers 0.000 claims abstract description 55
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 40
- 239000000243 solution Substances 0.000 claims abstract description 39
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229920000742 Cotton Polymers 0.000 claims abstract description 33
- 238000002791 soaking Methods 0.000 claims abstract description 28
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 20
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 20
- 241001330002 Bambuseae Species 0.000 claims abstract description 20
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 20
- 239000011425 bamboo Substances 0.000 claims abstract description 20
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 19
- 231100000021 irritant Toxicity 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 14
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000008213 purified water Substances 0.000 claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000009736 wetting Methods 0.000 claims abstract description 9
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims abstract description 6
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical class C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- 239000003999 initiator Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 239000003995 emulsifying agent Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- LEAOHOBTHKYIPQ-UHFFFAOYSA-N 5,5-dimethyl-3-prop-1-enylimidazolidine-2,4-dione Chemical compound C(=CC)N1C(NC(C1=O)(C)C)=O LEAOHOBTHKYIPQ-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 9
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 9
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 6
- 238000009960 carding Methods 0.000 claims description 6
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 6
- 238000007334 copolymerization reaction Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 3
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 3
- 238000002074 melt spinning Methods 0.000 claims description 3
- 238000005956 quaternization reaction Methods 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 claims description 3
- 229920006395 saturated elastomer Chemical class 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- 231100000344 non-irritating Toxicity 0.000 claims 6
- 230000000845 anti-microbial effect Effects 0.000 claims 5
- 230000000249 desinfective effect Effects 0.000 claims 2
- 239000004599 antimicrobial Substances 0.000 claims 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 abstract description 14
- 229910001431 copper ion Inorganic materials 0.000 abstract description 14
- 230000002045 lasting effect Effects 0.000 abstract description 10
- 230000000638 stimulation Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 19
- 239000004480 active ingredient Substances 0.000 description 10
- 150000007945 N-acyl ureas Chemical class 0.000 description 6
- 229960003237 betaine Drugs 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 241000222122 Candida albicans Species 0.000 description 4
- 241000588724 Escherichia coli Species 0.000 description 4
- 241000191967 Staphylococcus aureus Species 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 229940095731 candida albicans Drugs 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000007794 irritation Effects 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 230000010065 bacterial adhesion Effects 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001768 cations Chemical group 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 125000000468 ketone group Chemical group 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 231100001083 no cytotoxicity Toxicity 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229940100555 2-methyl-4-isothiazolin-3-one Drugs 0.000 description 1
- 229940100484 5-chloro-2-methyl-4-isothiazolin-3-one Drugs 0.000 description 1
- 241000700199 Cavia porcellus Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000030961 allergic reaction Diseases 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UREZNYTWGJKWBI-UHFFFAOYSA-M benzethonium chloride Chemical compound [Cl-].C1=CC(C(C)(C)CC(C)(C)C)=CC=C1OCCOCC[N+](C)(C)CC1=CC=CC=C1 UREZNYTWGJKWBI-UHFFFAOYSA-M 0.000 description 1
- 229960001950 benzethonium chloride Drugs 0.000 description 1
- 229960001927 cetylpyridinium chloride Drugs 0.000 description 1
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 description 1
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical compound CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical compound CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 description 1
- 231100001224 moderate toxicity Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/23—Sulfur; Selenium; Tellurium; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0208—Tissues; Wipes; Patches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8105—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- A61K8/8111—Homopolymers or copolymers of aliphatic olefines, e.g. polyethylene, polyisobutene; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8158—Homopolymers or copolymers of amides or imides, e.g. (meth) acrylamide; Compositions of derivatives of such polymers
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- A—HUMAN NECESSITIES
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9783—Angiosperms [Magnoliophyta]
- A61K8/9789—Magnoliopsida [dicotyledons]
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
- A61K8/9783—Angiosperms [Magnoliophyta]
- A61K8/9794—Liliopsida [monocotyledons]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/005—Antimicrobial preparations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/30—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
- A61K2800/524—Preservatives
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- Health & Medical Sciences (AREA)
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- Chemical & Material Sciences (AREA)
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- Microbiology (AREA)
- Inorganic Chemistry (AREA)
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- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a non-irritant antibacterial disinfectant wet tissue, which comprises a wet tissue base material and wetting liquid, wherein the wet tissue base material is prepared from modified polypropylene fibers, bamboo pulp fibers and cotton fibers; the impregnating solution is prepared from the following raw materials in parts by weight: 10-13 parts of blue vitriol, 4-5 parts of antibacterial agent and 120 parts of purified water; the non-irritant antibacterial disinfectant wet tissue is prepared by the following method: completely immersing the wet tissue base material in the soaking solution, soaking, baking, washing, drying in vacuum, and finally soaking in a propylene glycol aqueous solution. The wet tissue comprises a wet tissue base material and wetting liquid, wherein the wet tissue base material is non-woven fabric made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers, and the wet tissue base material has comfortable and soft hand feeling; copper ions in the impregnating solution can be complexed with the modified polypropylene fibers, and the antibacterial agent can be chemically bonded with the cotton fibers, so that the wet tissue base material has lasting and excellent antibacterial performance; the adopted propylene glycol aqueous solution can wet the wet tissue and has no stimulation to the skin.
Description
Technical Field
The invention belongs to the technical field of daily necessities, and particularly relates to a non-irritant antibacterial disinfectant wet tissue and a preparation method thereof.
Background
The wet tissue is a disposable cleaning sanitary article prepared by selecting a wet-strength soft-fiber high-permeability base material, folding, humidifying and packaging, has the basic functions of cleaning and moisturizing skin, is convenient to carry and the like, and becomes an essential cleaning article in daily life of people. The wet tissue is generally composed of two parts of a substrate and liquid medicine, wherein the substrate is wet-strength paper or spunlace nonwoven, and the liquid medicine basic formula comprises water, humectant, preservative and nonionic surfactant. The preparation method comprises soaking the base material in the medicinal liquid, taking out the base material, and sealing and packaging to obtain the wet tissue. In the production process of the wet tissue, bacteria and mold in the air are easy to be mixed and polluted, so that the wet tissue is polluted. At present, chemical bactericides such as methylisothiazolinone, methylchloroisothiazolinone, benzethonium chloride and cetylpyridinium chloride are commonly used in wet tissues, and the chemical bactericides have moderate toxicity, irritation and potential safety hazards in use. In order to avoid using a toxic preservative to achieve the purpose of inhibiting the propagation of bacteria and fungi, the prior art generally adds high-concentration ethanol into wet tissues, wherein the concentration of the ethanol can exceed 50%, and when people with fragile skin use the wet tissues containing the ethanol at the concentration, the phenomenon of excessive dissolution of sebum on the surface layer of the skin can occur, so that the skin is dried and even allergic reaction is caused.
Disclosure of Invention
The invention aims to provide a non-irritant antibacterial disinfectant wet tissue and a preparation method thereof, the wet tissue comprises a wet tissue base material and an impregnating solution, the wet tissue base material is a non-woven fabric prepared by mixing modified polypropylene fibers, bamboo pulp fibers and cotton fibers, the non-woven fabric contains a large amount of bamboo pulp fibers and cotton fibers, has the characteristic of cotton and comfortable and soft hand feeling, and the modified polypropylene fibers have good antibacterial performance and can act with effective components in the impregnating solution; the impregnating solution contains an antibacterial agent and copper ion active ingredients, after the impregnating solution is used for impregnation, copper ions can be complexed with polypropylene fibers on the wet tissue base material, the antibacterial agent can be chemically bonded with cotton fibers on the wet tissue base material, so that the antibacterial active ingredients in the impregnating solution are grafted on the surface of the wet tissue base material, and the wet tissue base material has lasting and excellent antibacterial performance; after a user wipes skin or an object with the wet tissue, the wet tissue can be washed with water and continuously and repeatedly used for many times, and the wet tissue used by being stained with tap water still has good antibacterial capacity, so that the obtained wet tissue meets the requirement of environmental protection; in addition, the propylene glycol aqueous solution is finally adopted to wet the wet tissue, has no stimulation to the skin and brings good touch to the wet tissue.
The purpose of the invention can be realized by the following technical scheme:
a non-irritant antibacterial disinfectant wet tissue comprises a wet tissue base material and wetting liquid, wherein the wet tissue base material is made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers;
mixing modified polypropylene fiber, bamboo pulp fiber and cotton fiber according to the mass ratio of 1:1:2, opening, removing impurities, forming a net on a carding combination device, and then preparing the mixture on a non-woven fabric needling small sample machine to obtain the product with the surface density of 0.1kg/m2The non-woven fabric to obtain a wet tissue base material;
the impregnating solution is prepared from the following raw materials in parts by weight: 10-13 parts of blue vitriol, 4-5 parts of antibacterial agent and 120 parts of purified water;
adding copper sulfate pentahydrate and an antibacterial agent into purified water, and stirring to dissolve completely to obtain a soaking solution;
the non-irritant antibacterial disinfectant wet tissue is prepared by the following method:
completely immersing the wet tissue base material in the impregnating solution, soaking for 80-90min at 60-65 ℃, transferring to a baking machine, pre-baking for 4-5min at 75-80 ℃, heating to 120-130 ℃, baking for 3-4min, repeatedly washing for 5-6 times by using deionized water, removing the substances such as the copper ions, the antibacterial agent and the like which are not loaded, drying in vacuum, finally soaking in a propylene glycol aqueous solution with the mass concentration of 5% for 15-20min, and taking out to obtain the wet tissue.
Further, the modified polypropylene fiber is prepared by the following method:
s1, adding deionized water, an emulsifier, an initiator and a propylene monomer into a reaction kettle, introducing nitrogen, raising the temperature of the system to 68-70 ℃ under the conditions of nitrogen protection and stirring, and carrying out prepolymerization reaction for 40-50min under the temperature condition;
s2, stopping heating, naturally cooling the reaction kettle to room temperature, sequentially adding an emulsifier, an initiator, 3-propenyl-5, 5-dimethyl-hydantoin and a propylene monomer, raising the temperature of the system to 95-105 ℃ under the conditions of nitrogen protection and stirring, and carrying out copolymerization reaction for 4-5 hours at the temperature;
and S3, after the reaction is finished, adding methanol and saturated salt solution to demulsify, filtering, washing with water, and drying to obtain modified polypropylene, and melt-spinning the modified polypropylene into fibers to obtain the modified polypropylene fibers.
Further, in step S1, 0.15-0.2g of emulsifier, 0.08-0.1g of initiator and 10-15g of propylene monomer are added per 100g of deionized water.
Further, in step S2, 0.1 to 0.2g of an emulsifier, 0.1 to 0.15g of an initiator, 3 to 4g of 3-propenyl-5, 5-dimethyl-hydantoin, and 15 to 20g of polypropylene are added per 100g of the prepolymer obtained in step S1.
Further, in step S3, methanol and a saturated saline solution were added in amounts of 1/8 and 1/10, respectively, based on the mass of the reaction system.
Further, the antibacterial agent is prepared by the following method:
1) placing tetrahydrofuran in a three-neck flask, adding dimethylamine and 2-chloroformic acid into the flask at the temperature of 60 ℃ in a nitrogen atmosphere, stirring for reacting for 5-6h, cooling at room temperature, centrifuging, and purifying with ethanol to obtain a betaine derivative;
wherein the mass ratio of dimethylamine to 2-chloroformic acid is 1: 1.2; carrying out quaternization reaction on dimethylamine and 2-chlorobutadiene to generate a betaine derivative, wherein the derivative contains exposed carboxyl;
2) putting the betaine derivative and acrylamide according to a certain proportion into a four-neck flask with mechanical stirring and condensation reflux, adding an initiator APS under the conditions of nitrogen atmosphere and constant temperature of 70 ℃, reacting for 4-5h, cooling at room temperature, repeatedly purifying by acetone and ethanol, and drying in vacuum to obtain an antibacterial agent;
wherein the mass ratio of the betaine derivative to the acrylamide is 2:1, the mass fraction of the initiator is 2%, and the reaction time is 4 h.
A preparation method of a non-irritant antibacterial disinfectant wet tissue comprises the following specific steps:
completely immersing the wet tissue base material in the impregnating solution, soaking for 80-90min at 60-65 ℃, transferring to a baking machine, pre-baking for 4-5min at 75-80 ℃, heating to 120-130 ℃, baking for 3-4min, repeatedly washing for 5-6 times by using deionized water, removing the substances such as the copper ions, the antibacterial agent and the like which are not loaded, drying in vacuum, finally soaking in a propylene glycol aqueous solution with the mass concentration of 5% for 15-20min, and taking out to obtain the wet tissue.
The invention has the beneficial effects that:
the wet tissue comprises a wet tissue base material and wetting liquid, wherein the wet tissue base material is a non-woven fabric prepared by mixing modified polypropylene fibers, bamboo pulp fibers and cotton fibers, and the non-woven fabric contains a large amount of bamboo pulp fibers and cotton fibers, has the characteristic of cotton and has comfortable and soft hand feeling; in addition, modified polypropylene is adopted as one of raw materials, 3-propenyl-5, 5-dimethyl-hydantoin is used as a PP modifier, 3-propenyl-5, 5-dimethyl-hydantoin is an antibacterial monomer, allyl groups contained on the monomer can participate in the copolymerization reaction process of polypropylene, and the substance is blocked into a polypropylene molecular chain as the modifier, so that the polypropylene molecule has an antibacterial function, and the antibacterial monomer is combined with the polypropylene molecular chain through a bonding effect, has extremely high migration resistance and solvent resistance, and can enable the polypropylene to have lasting antibacterial performance; the ureide substance is introduced into the side chain of the polypropylene molecule, the ureide substance on the side chain of the molecule contains-NH-group, the primary amine group is directly connected with the ketone group, the reaction activity is higher, the ureide substance can play a chemical complexing role with copper ions in the impregnating solution, so that the antibacterial active ingredient is chemically immobilized on the wet tissue base material, and the lasting antibacterial property of the wet tissue base material is realized;
the impregnating solution disclosed by the invention adopts an antibacterial agent and copper ions as antibacterial active ingredients, the antibacterial agent is formed by polymerizing a betaine derivative and acrylamide, the betaine derivative is a zwitterion compound and has strong thermal stability, chemical stability, biocompatibility and no cytotoxicity, and anion and cation groups in a macromolecule composition can resist bacterial adhesion, prevent the formation of a biological bacterial film and inhibit bacterial reproduction, so that the impregnating solution is a good natural nontoxic antibacterial agent; the antibacterial agent contains exposed carboxyl groups of betaine derivatives, and the carboxyl groups can react with-OH on cotton fibers to graft antibacterial agent molecules on the cotton fibers through chemical bonding; after the wet tissue base material is soaked by the soaking liquid, copper ions can be complexed with polypropylene fibers on the wet tissue base material, and the antibacterial agent can be chemically bonded with cotton fibers on the wet tissue base material, so that the antibacterial active ingredient in the soaking liquid is grafted to the surface of the wet tissue base material, and the wet tissue base material has lasting and excellent antibacterial performance; after a user wipes skin or an object with the wet tissue, the wet tissue can be washed with water and continuously and repeatedly used for many times, and the wet tissue used by being stained with tap water still has good antibacterial capacity, so that the obtained wet tissue meets the requirement of environmental protection;
the wet tissue comprises a wet tissue base material and an impregnating solution, wherein the wet tissue base material is a non-woven fabric prepared by mixing modified polypropylene fibers, bamboo pulp fibers and cotton fibers, the non-woven fabric contains a large amount of bamboo pulp fibers and cotton fibers, has the characteristic of cotton quality, has comfortable and soft hand feeling, and the modified polypropylene fibers have good antibacterial performance and can act with active ingredients in the impregnating solution; the impregnating solution contains an antibacterial agent and copper ion active ingredients, after the impregnating solution is used for impregnation, copper ions can be complexed with polypropylene fibers on the wet tissue base material, the antibacterial agent can be chemically bonded with cotton fibers on the wet tissue base material, so that the antibacterial active ingredients in the impregnating solution are grafted on the surface of the wet tissue base material, and the wet tissue base material has lasting and excellent antibacterial performance; after a user wipes skin or an object with the wet tissue, the wet tissue can be washed with water and continuously and repeatedly used for many times, and the wet tissue used by being stained with tap water still has good antibacterial capacity, so that the obtained wet tissue meets the requirement of environmental protection; in addition, the propylene glycol aqueous solution is finally adopted to wet the wet tissue, has no stimulation to the skin and brings good touch to the wet tissue.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A non-irritant antibacterial disinfectant wet tissue comprises a wet tissue base material and an impregnating solution;
the wet tissue base material is prepared from modified polypropylene fibers, bamboo pulp fibers and cotton fibers, the modified polypropylene fibers, the bamboo pulp fibers and the cotton fibers are mixed according to the mass ratio of 1:1:2, and then are loosened, decontaminated and formed into a net on a carding combination device, and then are made into a non-woven fabric needling sample machine with the surface density of 0.1kg/m2The non-woven fabric to obtain a wet tissue base material;
the modified polypropylene fiber is prepared by the following method:
s1, adding deionized water, an emulsifier, an initiator and a propylene monomer into a reaction kettle, introducing nitrogen, raising the temperature of the system to 68-70 ℃ under the conditions of nitrogen protection and stirring, and carrying out prepolymerization reaction for 40-50min under the temperature condition;
adding 0.15-0.2g of emulsifier, 0.08-0.1g of initiator and 10-15g of propylene monomer into every 100g of deionized water;
s2, stopping heating, naturally cooling the reaction kettle to room temperature, sequentially adding an emulsifier, an initiator, 3-propenyl-5, 5-dimethyl-hydantoin and a propylene monomer, raising the temperature of the system to 95-105 ℃ under the conditions of nitrogen protection and stirring, and carrying out copolymerization reaction for 4-5 hours at the temperature;
adding 0.1-0.2g of emulsifier, 0.1-0.15g of initiator, 3-4g of 3-propenyl-5, 5-dimethyl-hydantoin and 15-20g of polypropylene into 100g of prepolymer obtained in the step S1;
s3, after the reaction is finished, adding methanol and saturated salt solution for demulsification, filtering, washing with water, and drying to obtain modified polypropylene, and melt-spinning the modified polypropylene into fibers to obtain modified polypropylene fibers;
the adding amounts of the methanol and the saturated saline solution are 1/8 and 1/10 of the mass of the reaction system respectively;
3-propenyl-5, 5-dimethyl-hydantoin is an antibacterial monomer, allyl groups contained on the antibacterial monomer can participate in the copolymerization reaction process of polypropylene, so that the substance is blocked into a polypropylene molecular chain as a modifier, the polypropylene molecules have an antibacterial function, and the antibacterial monomer is combined with the polypropylene molecular chain through a bonding effect, has extremely high migration resistance and solvent resistance, and can enable the polypropylene to have lasting antibacterial performance; the ureide substance is introduced into the side chain of the polypropylene molecule, the ureide substance on the side chain of the molecule contains-NH-group, the primary amine group is directly connected with the ketone group, the reaction activity is higher, the ureide substance can play a chemical complexing role with copper ions in the impregnating solution, so that the antibacterial active ingredient is chemically immobilized on the wet tissue base material, and the lasting antibacterial property of the wet tissue base material is realized;
the impregnating solution is prepared from the following raw materials in parts by weight: 10-13 parts of blue vitriol, 4-5 parts of antibacterial agent and 120 parts of purified water;
adding copper sulfate pentahydrate and an antibacterial agent into purified water, and stirring to dissolve completely to obtain a soaking solution;
the antibacterial agent is prepared by the following method:
1) placing tetrahydrofuran in a three-neck flask, adding dimethylamine and 2-chloroformic acid into the flask at the temperature of 60 ℃ in a nitrogen atmosphere, stirring for reacting for 5-6h, cooling at room temperature, centrifuging, and purifying with ethanol to obtain a betaine derivative;
wherein the mass ratio of dimethylamine to 2-chloroformic acid is 1: 1.2; carrying out quaternization reaction on dimethylamine and 2-chlorobutadiene to generate a betaine derivative, wherein the derivative contains exposed carboxyl;
2) putting the betaine derivative and acrylamide according to a certain proportion into a four-neck flask with mechanical stirring and condensation reflux, adding an initiator APS under the conditions of nitrogen atmosphere and constant temperature of 70 ℃, reacting for 4-5h, cooling at room temperature, repeatedly purifying by acetone and ethanol, and drying in vacuum to obtain an antibacterial agent;
wherein the mass ratio of the betaine derivative to the acrylamide is 2:1, the mass fraction of the initiator is 2%, and the reaction time is 4 h;
the betaine derivative and acrylamide are polymerized to generate the betaine type antibacterial agent; the betaine derivative is a zwitterion compound, has strong thermal stability, chemical stability, biocompatibility and no cytotoxicity, and anion and cation groups in macromolecular composition can resist bacterial adhesion, prevent the formation of a biological bacterial film and inhibit bacterial reproduction, so the betaine derivative is a good natural non-toxic antibacterial agent; the antibacterial agent contains exposed carboxyl groups of betaine derivatives, and the carboxyl groups can react with-OH on cotton fibers to graft antibacterial agent molecules on the cotton fibers through chemical bonding; after the wet tissue base material is soaked by the soaking liquid, copper ions can be complexed with polypropylene fibers on the wet tissue base material, and the antibacterial agent can be chemically bonded with cotton fibers on the wet tissue base material, so that the antibacterial active ingredient in the soaking liquid is grafted to the surface of the wet tissue base material, and the wet tissue base material has lasting and excellent antibacterial performance; after a user wipes skin or an object with the wet tissue, the wet tissue can be washed with water and continuously and repeatedly used for many times, and the wet tissue used by being stained with tap water still has good antibacterial capacity, so that the obtained wet tissue meets the requirement of environmental protection;
the preparation method of the wet tissue comprises the following steps:
completely immersing the wet tissue base material in the impregnating solution, soaking for 80-90min at 60-65 ℃, transferring to a baking machine, pre-baking for 4-5min at 75-80 ℃, heating to 120-130 ℃, baking for 3-4min, repeatedly washing for 5-6 times by using deionized water, removing the substances such as the copper ions, the antibacterial agent and the like which are not loaded, drying in vacuum, finally soaking in a propylene glycol aqueous solution with the mass concentration of 5% for 15-20min, and taking out to obtain the wet tissue.
Example 1
A non-irritant antibacterial disinfectant wet tissue comprises a wet tissue base material and wetting liquid, wherein the wet tissue base material is made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers;
mixing modified polypropylene fiber, bamboo pulp fiber and cotton fiber according to the mass ratio of 1:1:2, opening, removing impurities, forming a net on a carding combination device, and then preparing the mixture on a non-woven fabric needling small sample machine to obtain the product with the surface density of 0.1kg/m2The non-woven fabric to obtain a wet tissue base material;
the impregnating solution is prepared from the following raw materials in parts by weight: 10 parts of copper sulfate pentahydrate, 4 parts of antibacterial agent and 100 parts of purified water;
adding copper sulfate pentahydrate and an antibacterial agent into purified water, and stirring to dissolve completely to obtain a soaking solution;
the non-irritant antibacterial disinfectant wet tissue is prepared by the following method:
completely immersing the wet tissue base material in the impregnating solution, soaking for 80min at 63 ℃, transferring to a baking machine, pre-baking for 4min at 75 ℃, heating to 120 ℃, baking for 3min, repeatedly washing for 5 times by using deionized water, drying in vacuum, finally soaking in a propylene glycol aqueous solution with the mass concentration of 5% for 15min, and taking out to obtain the wet tissue.
Example 2
A non-irritant antibacterial disinfectant wet tissue comprises a wet tissue base material and wetting liquid, wherein the wet tissue base material is made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers;
mixing modified polypropylene fiber, bamboo pulp fiber and cotton fiber according to the mass ratio of 1:1:2, opening, removing impurities, forming a net on a carding combination device, and then preparing the mixture on a non-woven fabric needling small sample machine to obtain the product with the surface density of 0.1kg/m2The non-woven fabric to obtain a wet tissue base material;
the impregnating solution is prepared from the following raw materials in parts by weight: 11.5 parts of blue vitriol, 4.5 parts of antibacterial agent and 110 parts of purified water;
adding copper sulfate pentahydrate and an antibacterial agent into purified water, and stirring to dissolve completely to obtain a soaking solution;
the non-irritant antibacterial disinfectant wet tissue is prepared by the following method:
completely immersing the wet tissue base material in the impregnating solution, soaking for 85min at 63 ℃, transferring to a baking machine, pre-baking for 4.5min at 78 ℃, heating to 125 ℃, baking for 3.5min, repeatedly washing for 6 times by using deionized water, drying in vacuum, finally soaking in a propylene glycol aqueous solution with the mass concentration of 5% for 18min, and taking out to obtain the wet tissue.
Example 3
A non-irritant antibacterial disinfectant wet tissue comprises a wet tissue base material and wetting liquid, wherein the wet tissue base material is made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers;
mixing modified polypropylene fiber, bamboo pulp fiber and cotton fiber according to the mass ratio of 1:1:2, opening, removing impurities, forming a net on a carding combination device, and then preparing the mixture on a non-woven fabric needling small sample machine to obtain the product with the surface density of 0.1kg/m2The non-woven fabric to obtain a wet tissue base material;
the impregnating solution is prepared from the following raw materials in parts by weight: 13 parts of blue vitriol, 5 parts of antibacterial agent and 120 parts of purified water;
adding copper sulfate pentahydrate and an antibacterial agent into purified water, and stirring to dissolve completely to obtain a soaking solution;
the non-irritant antibacterial disinfectant wet tissue is prepared by the following method:
completely immersing the wet tissue base material in the immersion liquid, immersing for 90min at 65 ℃, transferring to a baking machine, pre-baking for 5min at 80 ℃, heating to 130 ℃, baking for 4min, repeatedly washing for 6 times by deionized water, drying in vacuum, finally immersing in a propylene glycol aqueous solution with the mass concentration of 5% for 20min, and taking out to obtain the wet tissue.
Comparative example 1
The modified polypropylene fiber in example 1 was replaced with a normal polypropylene fiber, and the remaining raw materials and preparation process were unchanged.
Comparative example 2
The antibacterial agent in example 1 was replaced with ordinary betaine, and the remaining raw materials and preparation process were unchanged.
The wet tissues obtained in examples 1 to 3 and comparative examples 1 to 2 were subjected to the following performance tests: the sterilization effect of the wet tissue is evaluated in a laboratory through a carrier quantitative killing test and a field disinfection test, and the sterilization rates of escherichia coli, staphylococcus aureus and candida albicans are respectively tested when the acting time is 5min and 10 min; applying the wet tissue to guinea pig skin, and testing irritation; after washing the wet tissue with tap water for 3 times, testing the bacteriostasis rate of the wet tissue to three strains; the test results are shown in the following table:
as can be seen from the above table, the wet tissues prepared in examples 1-3 have the respective killing rates of 98.5-98.6%, 98.4-98.5% and 97.9-98.0% for escherichia coli, staphylococcus aureus and candida albicans when being acted for 5min, and have the respective killing rates of 100%, 100% and 99.4-99.5% for escherichia coli, staphylococcus aureus and candida albicans when being acted for 10min, which indicates that the wet tissues prepared by the invention have excellent bactericidal performance and no irritation to skin; after washing for 3 times, the bacteriostatic rate of the wet tissue is maintained at 98% for escherichia coli and staphylococcus aureus, and 97.5% for candida albicans, so that the wet tissue prepared by the invention has lasting antibacterial performance, can be repeatedly washed and used, and meets the requirement of environmental protection; compared with the comparative example 1, the modified polypropylene fiber is used as one of the main raw materials of the wet tissue base material, so that the wet tissue has good sterilization performance, and the complexation with copper ions in the wetting solution can be improved, thereby improving the antibacterial performance and the antibacterial durability of the wet tissue; compared with the comparative example 2, the antibacterial agent prepared by the invention is a betaine type polymer, and compared with the common betaine, the betaine type polymer contains naked-COOH groups, and can be bonded with-OH on the cotton fibers of the wet tissue base material, so that the antibacterial agent is grafted to the wet tissue base material, and the antibacterial performance and the antibacterial durability of the wet tissue are improved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A non-irritant antibacterial disinfectant wet tissue comprises a wet tissue base material and wetting liquid, and is characterized in that the wet tissue base material is made of modified polypropylene fibers, bamboo pulp fibers and cotton fibers;
mixing modified polypropylene fiber, bamboo pulp fiber and cotton fiber according to the mass ratio of 1:1:2, opening, removing impurities, forming a net on a carding combination device, and then preparing the mixture on a non-woven fabric needling small sample machine to obtain the product with the surface density of 0.1kg/m2The non-woven fabric to obtain a wet tissue base material;
the impregnating solution is prepared from the following raw materials in parts by weight: 10-13 parts of blue vitriol, 4-5 parts of antibacterial agent and 120 parts of purified water;
adding copper sulfate pentahydrate and an antibacterial agent into purified water, and stirring to dissolve completely to obtain a soaking solution;
the non-irritant antibacterial disinfectant wet tissue is prepared by the following method:
completely immersing the wet tissue base material in the impregnating solution, soaking for 80-90min at 60-65 ℃, transferring to a baking machine, pre-baking for 4-5min at 75-80 ℃, heating to 120-130 ℃, baking for 3-4min, repeatedly washing for 5-6 times by using deionized water, drying in vacuum, finally soaking in 5% propylene glycol aqueous solution for 15-20min, and taking out to obtain the wet tissue.
2. The non-irritating antimicrobial moist wipe of claim 1, wherein said modified polypropylene fibers are prepared by:
s1, adding deionized water, an emulsifier, an initiator and a propylene monomer into a reaction kettle, introducing nitrogen, raising the temperature of the system to 68-70 ℃ under the conditions of nitrogen protection and stirring, and carrying out prepolymerization reaction for 40-50min under the temperature condition;
s2, stopping heating, naturally cooling the reaction kettle to room temperature, sequentially adding an emulsifier, an initiator, 3-propenyl-5, 5-dimethyl-hydantoin and a propylene monomer, raising the temperature of the system to 95-105 ℃ under the conditions of nitrogen protection and stirring, and carrying out copolymerization reaction for 4-5 hours at the temperature;
and S3, after the reaction is finished, adding methanol and saturated salt solution to demulsify, filtering, washing with water, and drying to obtain modified polypropylene, and melt-spinning the modified polypropylene into fibers to obtain the modified polypropylene fibers.
3. The non-irritating antimicrobial disinfectant wet wipe of claim 2, wherein 0.15-0.2g emulsifier, 0.08-0.1g initiator, 10-15g propylene monomer per 100g deionized water in step S1.
4. The non-irritating antimicrobial moist wipe of claim 2, wherein 0.1-0.2g emulsifier, 0.1-0.15g initiator, 3-4g 3-propenyl-5, 5-dimethyl-hydantoin, 15-20g polypropylene are added to 100g prepolymer obtained in step S1 in step S2.
5. The non-irritating antimicrobial moist wipe of claim 2, wherein the methanol and the saturated saline solution are added in amounts of 1/8 and 1/10, respectively, based on the mass of the reaction system in step S3.
6. The non-irritating antimicrobial disinfecting wet wipe of claim 1, wherein said antimicrobial agent is prepared by:
1) placing tetrahydrofuran in a three-neck flask, adding dimethylamine and 2-chloroformic acid into the flask at the temperature of 60 ℃ in a nitrogen atmosphere, stirring for reacting for 5-6h, cooling at room temperature, centrifuging, and purifying with ethanol to obtain a betaine derivative;
wherein the mass ratio of dimethylamine to 2-chloroformic acid is 1: 1.2; carrying out quaternization reaction on dimethylamine and 2-chlorobutadiene to generate a betaine derivative, wherein the derivative contains exposed carboxyl;
2) putting the betaine derivative and acrylamide according to a certain proportion into a four-neck flask with mechanical stirring and condensation reflux, adding an initiator APS under the conditions of nitrogen atmosphere and constant temperature of 70 ℃, reacting for 4-5h, cooling at room temperature, repeatedly purifying by acetone and ethanol, and drying in vacuum to obtain an antibacterial agent;
wherein the mass ratio of the betaine derivative to the acrylamide is 2:1, the mass fraction of the initiator is 2%, and the reaction time is 4 h.
7. The method for preparing the non-irritating antibacterial disinfecting wet wipe as claimed in claim 1, is characterized by comprising the following specific steps of:
completely immersing the wet tissue base material in the impregnating solution, soaking for 80-90min at 60-65 ℃, transferring to a baking machine, pre-baking for 4-5min at 75-80 ℃, heating to 120-130 ℃, baking for 3-4min, repeatedly washing for 5-6 times by using deionized water, drying in vacuum, finally soaking in 5% propylene glycol aqueous solution for 15-20min, and taking out to obtain the wet tissue.
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Application publication date: 20200818 |