CN103266496A - Antibacterial and mildew-resistant superfine-fiber synthetic leather, preparation method and products thereof - Google Patents
Antibacterial and mildew-resistant superfine-fiber synthetic leather, preparation method and products thereof Download PDFInfo
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- CN103266496A CN103266496A CN2013101394415A CN201310139441A CN103266496A CN 103266496 A CN103266496 A CN 103266496A CN 2013101394415 A CN2013101394415 A CN 2013101394415A CN 201310139441 A CN201310139441 A CN 201310139441A CN 103266496 A CN103266496 A CN 103266496A
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- polyurethane
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 32
- 239000002649 leather substitute Substances 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 229920002635 polyurethane Polymers 0.000 claims abstract description 37
- 239000004814 polyurethane Substances 0.000 claims abstract description 37
- 239000002002 slurry Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000010985 leather Substances 0.000 claims abstract description 26
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 24
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- 238000000465 moulding Methods 0.000 claims abstract description 19
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- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 6
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 6
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 5
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- 206010000269 abscess Diseases 0.000 claims description 4
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical group [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 claims description 4
- UTBVIMLZIRIFFR-UHFFFAOYSA-N 2-methylthio-1,3-benzothiazole Chemical compound C1=CC=C2SC(SC)=NC2=C1 UTBVIMLZIRIFFR-UHFFFAOYSA-N 0.000 claims description 3
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- KCDNYRPDKSGQCM-UHFFFAOYSA-N 4-[4-(3-chlorophenyl)-4-(pyrrolidine-1-carbonyl)piperidin-1-yl]-1-(4-fluorophenyl)butan-1-one Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCC(C=2C=C(Cl)C=CC=2)(C(=O)N2CCCC2)CC1 KCDNYRPDKSGQCM-UHFFFAOYSA-N 0.000 claims 1
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- 229910019142 PO4 Inorganic materials 0.000 claims 1
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910021536 Zeolite Inorganic materials 0.000 claims 1
- JDLKFOPOAOFWQN-UHFFFAOYSA-N allicin Chemical compound C=CCSS(=O)CC=C JDLKFOPOAOFWQN-UHFFFAOYSA-N 0.000 claims 1
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- 150000004645 aluminates Chemical class 0.000 claims 1
- 239000004327 boric acid Substances 0.000 claims 1
- SQOGKEMZXNYTNN-UHFFFAOYSA-N chloro(chloromethylsulfonyl)methane Chemical class ClCS(=O)(=O)CCl SQOGKEMZXNYTNN-UHFFFAOYSA-N 0.000 claims 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 claims 1
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- 239000010452 phosphate Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- WHMDPDGBKYUEMW-UHFFFAOYSA-N pyridine-2-thiol Chemical compound SC1=CC=CC=N1 WHMDPDGBKYUEMW-UHFFFAOYSA-N 0.000 claims 1
- YYWLHHUMIIIZDH-UHFFFAOYSA-N s-benzoylsulfanyl benzenecarbothioate Chemical compound C=1C=CC=CC=1C(=O)SSC(=O)C1=CC=CC=C1 YYWLHHUMIIIZDH-UHFFFAOYSA-N 0.000 claims 1
- 229910000077 silane Inorganic materials 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
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- 229940088710 antibiotic agent Drugs 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
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- 241000588724 Escherichia coli Species 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000000843 anti-fungal effect Effects 0.000 description 2
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- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 description 2
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Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention provides an antibacterial and mildew-resistant superfine-fiber synthetic leather, a preparation method and products thereof. The antibacterial and mildew-resistant superfine-fiber synthetic leather comprises polyurethane resin and a composite antibacterial agent uniformly dispersed in the polyurethane. The preparation method comprises adding a foaming agent, a foam stabilizer, water and an aqueous coloring agent into an aqueous anionic polyurethane impregnated slurry, uniformly stirring by using a high-speed mixer to prepare into slurry, fully wetting and dispersing an inorganic antiseptic, an organic antiseptic, a compatibility treating agent and an anti-discoloration agent in dimethylformamide, stirring, grinding, adding the composite antibacterial agent with an adjusted viscosity into polyurethane synthetic leather molding slurry, uniformly mixing, and molding. The antibacterial and mildew-resistant superfine-fiber synthetic leather can be widely applied in shoes, sofa, clothes leather, case leather and leather for furniture and interior decoration.
Description
Technical field
The present invention relates to the manufacture method of superfine fiber chemical leather, relate in particular to a kind of preparation method of antibacterial and mouldproof superfine fiber chemical leather.
Background technology
Synthetic Leather has been applied to the every field in people's life at present, and is numerous in variety, and its medium-to-high grade superfine fiber chemical leather is fast-developing in recent years with the outward appearance of its physical property advantage and emulation skin.The wet process technique of traditional superfine fiber chemical leather is to be the dipping sizing agent immersion non-woven fabrics with the solvent borne polyurethane, in DMF (dimethyl formamide) aqueous solution, solidify then, extract out in the hot toluene groove, the washing oven dry, a large amount of DMF, toluene have wherein been used, all recovered solvent discharges contaminated environment with gas and waste water mode.Simultaneously Environmental Protection in China portion to the sewage discharge regulation toluene of leather industry, DMF content respectively at 0.1mg/L, below the 0.2mg/L.Though most of solvent can reclaim, the energy consumption that reclaims on the one hand solvent is also very high, still has partial solvent to reclaim on the other hand, has been discharged in the environment in the mode of gas and waste water.
Waterborne polyurethane resin is to be decentralized medium with water, has nontoxic, environmental protection, safety, advantage such as do not fire, and be the best substitute products of solvent type resin.There are very big policy and financial support in various countries to research and the application of aqueous polyurethane, China also drops into also bigger in the research of waterborne polyurethane resin with application, but the application of waterborne polyurethane resin on synthetic leather be some progress in recent years just comparatively speaking, main research concentrates on the surface finish of synthetic leather, have only the water-based dry method to move technology such as membrane technology and printing and be applied in the actual production, exploitation also is in the starting stage to aqueous polyurethane synthetic leather overall technology.Development along with the waterborne polyurethane resin technology, properties of product improve, international and domestic each relevant company also strengthened the application study input in recent years, the research that waterborne polyurethane resin prepares superfine fiber chemical leather obtained some progress in nearly 2 years abroad, Japan relies on advanced superfine fibre technology use polyurethane resin to prepare superfine fiber chemical leather, wherein fibre density is big, and shared superfine fibre is than great.Adopting the superfine fiber chemical leather key issue of impregnation aqueous polyurethane preparation with common superfine fibre nonwoven cloth at present is that the polyurethane fiber complex that forms does not contain microcellular structure, reach the feel of corium and higher physical property and need develop new technology.
At present, the major technique approach of antibacterial polyurethane synthetic leather is to add all kinds of antiseptics in prescription, realizes antibiotic effect.Technology is comparatively ripe, and the antiseptic with certain using value mainly contains inorganic antiseptic, manually synthetic organic antibacterial agent, polymer antibacterial agent and natural products antiseptic.Wherein the natural products antiseptic is the animals and plants extracts, mainly contain the shitosan powder of hyperfine structure, chitin kind and various plant secretion things etc., but there are defectives such as poor heat resistance, duration of efficacy weak point in this class antiseptic, simultaneously, the natural products antiseptic also is subjected to the factor of natural environment influence, is difficult to reach the volume production scale, and commercial application value is lower.Organic antibacterial agent and polymer antibacterial agent are mainly all kinds of organic nitrogen-containing ionic compounds, organo-silicon compound, organic tin compound, amino acids metal salt and all kinds of quaternary ammonium salt, season phosphonium salt, guanidinesalt group graft polymers etc. of containing.As Chinese patent publication number CN2672973, CN3362140 has introduced the polyurethane material anti-microbial property that adds organic antibacterial agent respectively.Though also there is this poor heat resistance in advantages such as it is strong that this class antiseptic has a sterilizing ability, and the response time is short, and is with strong points, the facile hydrolysis sex change, broad-spectrum antibacterial property is poor, and volatility is big, and problem such as certain toxicity is arranged, so limited its application.Inorganic antiseptic mainly is the porous nano compound of all kinds of years silver, copper, zinc ion, nano-metal-oxide, as: TiO
2, ZnO, SiO
2Deng material, wherein carry Ag
+, Cu
2+, Zn
2+Features such as the ion inorganic nano material has has a broad antifungal spectrum, and anti-microbial property is good become the new lover, particularly Ag in the antibiotic field of macromolecular material in recent years rapidly
+Ion, its antibacterial activity surpasses Zn
2+1000 times in ion; Cu
2+Ion has the aquamarine blue of feature, has limited its application; Having only carrying silver antimicrobials to have high exploitation is worth.Chinese patent application CN1478817A has described a kind of polyurethane material that adds the inorganic nanometer oxide antiseptic, Chinese patent application CN1503660A has introduced the polyurethane film that silver-colored micropore compound antiseptic is carried in a kind of interpolation, and Chinese patent application CN1673246A has described a kind of fabricating technology that adds the antibacterial polyurethane foamed plastics of inorganic antiseptic.But it is long that inorganic antiseptic exists sterilization, antibacterial response time equally, causes the problem of product variable color easily.
Advantages such as comprehensive inorganic antiseptic stability is strong, has a broad antifungal spectrum, antimicrbial power is lasting and the organic antibacterial agent response time is short, with strong points are in the inorganic/organic composite antibiotic agent of one, in conjunction with Synthetic Leather moulding process characteristics, development novel antibacterial Synthetic Leather technology is this field developing direction from now on simultaneously.
Summary of the invention
The objective of the invention is to, overcome the above-mentioned defective of prior art, a kind of Synthetic Leather material efficient, quick, the durable antibiotic antimildew function that has is provided.
For realizing described purpose, technical scheme provided by the invention is as follows:
1) 0～3 part of 2～3 parts of 2～5 parts of foaming agents, the foam stabilizers of following parts by weight and 50～150 parts in water, water stain is added in the water-based anion polyurethane dipping sizing agent of 100 parts of parts by weight, stir with homogenizer again, make the slurry that density is 300～550g/L;
2) with 0.01-20 part inorganic antiseptic of following parts by weight, 0.01-35 part organic antibacterial agent, 0.0001-0.4 part compatible finishing agent and 0.0001-0.4 part anti-blushing agent, abundant wetting dispersion in 100 parts of dimethyl formamides (DMF solvent), agitation grinding, and continuing to add the compatible finishing agent of 0.0001-0.4 part and 0.01-35 part organic antibacterial agent successively under the grinding;
3) in dipping tank, nonwoven fabric be impregnated in the described slurry, the surface strikes off, and pickup is 400～1000g/m
2, keep 30～60% abscess;
4) with the viscosity of the prepared composite antibiosis agent emulsion of macromolecule viscosity-controlling agent adjusting, reach approaching with the viscosity of described Synthetic Leather moulding slurry; The described complex antimicrobials that regulates viscosity is added in the described Synthetic Leather moulding slurry, mix aftershaping;
5) base cloth after the oven dry, process alkali decrement process in continuous or batch (-type) alkali decrement machine;
6) again will be through the base cloth behind the alkali decrement process through aftertreatment technology.
The viscosity of described water-based anion polyurethane dipping sizing agent is 5～17Pa.s, described foaming agent is alkyl benzene sulfonate surfactant or sulfosuccinate salt surfactant, described foam stabilizer is stearates, and described water stain is general anionic colouring agent.
Described water-based anion polyurethane dipping sizing agent is that 100% stretching strength is 20～100KG/cm
2Solid content is at the water-based anion polyurethane dipping sizing agent of 20～30% percentage by weights, described alkyl benzene sulfonate surfactant is dodecyl sodium sulfate, described sulfosuccinate salt surfactant is sulfosuccinate sodium or sulfosuccinate amine, and described stearates is Stearyl Amine.
Further, the viscosity of the water-based anion polyurethane dipping sizing agent described in the described step 1) is 5～17Pa.s, described foaming agent is alkyl benzene sulfonate surfactant or sulfosuccinate salt surfactant, described foam stabilizer is stearates, and described water stain is anionic colouring agent commonly used.
Adopt the beneficial effect of above-mentioned further scheme to be, to aqueous polyurethane dipping sizing agent high-speed stirred the time, under the effect of stirring and foaming agent, form abscess, by the foam stabilizer stable bubble hole.
Further, described water-based anion polyurethane dipping sizing agent is that 100% stretching strength is 20～100KG/cm
2, solid content is at the water-based anion polyurethane dipping sizing agent of 20～30% percentage by weights.
Further, described alkyl benzene sulfonate surfactant is neopelex, and described sulfosuccinate salt surfactant is sulfosuccinate sodium or sulfosuccinate amine.
Further, described stearates is Stearyl Amine.
Further, the described water-based anion polyurethane dipping sizing agent polyurethane that contains carboxylic acid group or sulfonic group anionic group of serving as reasons makes in tertiary amine or NaOH He in the disperse water.
Be prepared into novel inorganic emulsion form and that have suitable viscosity/organic composite antibiotic agent by in the Synthetic Leather material matrix, adding, adopt the conventional mechanical stirring method that it is scattered in the Synthetic Leather moulding slurry, realize the even dispersion of antiseptic in the Synthetic Leather matrix, thereby preparation has the Synthetic Leather material of instant, efficient, lasting antibiotic, antimildew function.The anti-microbial property testing result shows that the antibacterial polyurethane synthetic leather all has good inhibitory or killing effect to staphylococcus aureus, Friedlander, Escherichia coli, mixing mould etc., and antibiotic rate is greater than 99%, and the mildew-resistant grade reaches the 1-0 level.The method technology is simple, reliable, does not change original process route, has controlled the production cost, has higher utility.
The specific embodiment
Embodiment 1
The PA/COPET type is decided the island nonwoven fabric, and its unit grammes per square metre is 240g/m
2, its apparent density is 0.30g/m
3100 parts in aqueous polyurethane slurry, described aqueous polyurethane slurry is DG-3020, its dry epithelium 100% stretching strength is 20KG/cm
2, solid content 20% percentage by weight, its viscosity is 6Pa.s, and 50 parts in 3 parts of neopelexes, 2 parts of Stearyl Amines and water stir with homogenizer, and making mixed slurry density is 300g/L; In dipping tank, with this mixed slurry immersion non-woven fabrics, pickup is 400～550g/m
2, keep 30～60% abscess; Process pH value is 5 in coagulating basin again, and temperature is that 20 ℃ water-based solidification liquid solidifies, and washing in rinsing bowl, infrared drying oven oven dry make base cloth;
Be the carrying silver ion imvite (An Dimei of 100nm with particle diameter, silver ion content is the 0.2wt% of carrier, the Beijing Chonygao Nano Science and Technology Co., Ltd) 10 part, 0.05 part in sodium thiosulfate (the happy benevolence in Zibo Chemical Industry Science Co., Ltd), abundant wetting dispersion in 100 parts of dimethyl formamides (DMF solvent), agitation grinding.Add 0.06 part of isopropyl three-different caprylyl-titanate esters (energy Dehua, Nanjing worker Co., Ltd), continue to grind.Add 2-thiocyanogen methyl-thio-benzothiazole (Hunan reaches clean Science and Technology Ltd.) 12 parts, stir into steady suspension and emulsion mixture.Standby.
The configuration of antibacterial polyurethane synthetic leather bottom leather moulding slurry.
Add the polyurethane resin of the selected trade mark in container, slowly add dimethyl formamide, stirring dissolves, and adds levelling agent, stirs, and froth breaking is standby.It is as follows to fill a prescription:
Polyurethane resin: 100 parts,
Dimethyl formamide: 70,
Levelling agent BYK-190: 0.035 part,
Defoamer ZK-692: 0.05 part.
The configuration of antibacterial polyurethane synthetic leather surface layer moulding slurry.
Add the polyurethane resin of the selected trade mark in container, slowly add solvent dimethyl ethyl ketone, add levelling agent, stir, add dimethyl formamide, influence liquidity is to meeting the requirements, and is standby behind the froth breaking.It is as follows to fill a prescription:
Polyurethane resin YG-218:100 part,
Dimethyl formamide: 20 parts,
Levelling agent BYK-P104:0.03 part,
Methyl ethyl ketone: 20 parts,
Defoamer zk-692:0.05 part.
Interpolation and the dispersion of inorganic/organic composite antibiotic agent.
Bottom leather and surface layer at the Synthetic Leather material are removed from office inorganic/organic composite antibiotic agent of all adding same dose.At first according to the viscosity of polyurethane moulded slurry, the viscosity with acrylic resin M136 (Jiangsu China human relations chemical inc) regulates inorganic/organic composite antibiotic agent emulsion reaches the requirement of viscosity coupling.Then the 1wt% of inorganic/organic composite antibiotic agent according to the polyurethane resin weight fraction added to respectively in the moulding slurry, adopt the mechanical agitation method to mix, reach even.
The moulding of antibacterial and mouldproof Synthetic Leather moulding slurry.
Embodiment 2
The PA/COPET type is decided the island nonwoven fabric, and its unit grammes per square metre is 400g/m
2, its apparent density is 0.35/m
3100 parts in aqueous polyurethane slurry, dry epithelium 100% stretching strength of DG-3100 slurry is 100KG/cm
2Solid content is 30% percentage by weight, and its viscosity is 16Pa.s, adds 4 parts of sulfosuccinate sodium foaming agents, 2 parts of foam stabilizer Stearyl Amines, 150 parts in water and 3 parts of water stains (the black G-55 of Shanghai nasal mucus connection), homogenizer stirs, and making mixed slurry density is 550g/L;
Be the carrying silver ion imvite (An Dimei of 100nm with particle diameter, silver ion content is the 0.2wt% of carrier, the Beijing Chonygao Nano Science and Technology Co., Ltd) 10 part, 0.05 part in sodium thiosulfate (the happy benevolence in Zibo Chemical Industry Science Co., Ltd), abundant wetting dispersion in 100 parts of dimethyl formamides (DMF solvent), agitation grinding.Add 0.06 part of isopropyl three-different caprylyl-titanate esters (energy Dehua, Nanjing worker Co., Ltd), continue to grind.Add 2-thiocyanogen methyl-thio-benzothiazole (Hunan reaches clean Science and Technology Ltd.) 12 parts, stir into steady suspension and emulsion mixture.Standby.
The configuration of antibacterial polyurethane synthetic leather bottom leather moulding slurry.
Add the polyurethane resin of the selected trade mark in container, slowly add dimethyl formamide, stirring dissolves, and adds levelling agent, stirs, and froth breaking is standby.It is as follows to fill a prescription:
Polyurethane resin: 100 parts,
Dimethyl formamide: 70,
Levelling agent BYK-190: 0.035 part,
Defoamer ZK-692: 0.05 part.
The configuration of antibacterial polyurethane synthetic leather surface layer moulding slurry.
Add the polyurethane resin of the selected trade mark in container, slowly add solvent dimethyl ethyl ketone, add levelling agent, stir, add dimethyl formamide, influence liquidity is to meeting the requirements, and is standby behind the froth breaking.It is as follows to fill a prescription:
Polyurethane resin YG-218:100 part,
Dimethyl formamide: 20 parts,
Levelling agent BYK-P104:0.03 part,
Methyl ethyl ketone: 20 parts,
Defoamer zk-692:0.05 part.
Interpolation and the dispersion of inorganic/organic composite antibiotic agent.
Bottom leather and surface layer at the Synthetic Leather material are removed from office inorganic/organic composite antibiotic agent of all adding same dose.At first according to the viscosity of polyurethane moulded slurry, the viscosity with acrylic resin M136 (Jiangsu China human relations chemical inc) regulates inorganic/organic composite antibiotic agent emulsion reaches the requirement of viscosity coupling.Then the 1wt% of inorganic/organic composite antibiotic agent according to the polyurethane resin weight fraction added to respectively in the moulding slurry, adopt the mechanical agitation method to mix, reach even.
The moulding of antibacterial and mouldproof Synthetic Leather moulding slurry.
For estimating the combination property of antibacterial and mouldproof polyurethane material, prepared antibacterial and mouldproof synthetic leather material has been carried out antibacterial tests.The test of antibacterium performance is with reference to the film applicator coating of GB15979-2002, QB2591-2003 and ISO22196:2007 standard, and the test bacterial classification is selected Escherichia coli (ATCC25922), staphylococcus aureus (ATCC6538), Friedlander (ATCC4352); The test of antifungi performance is with reference to QB2591-2003 and ASTM G21, and the test bacterial classification selects aspergillus niger (AS 3.4463), Aspergillus terreus (AS 3.3935), paecilomyces varioti (AS 3.4253), penicillium funiculosum (AS 3.3875), Aureobasidium pullulans (AS 3.3984), ball hair shell (AS 3.4254) etc. to mix mould for six kinds.The test bacterial classification is all buied from Institute of Micro-biology of Chinese Academy of Sciences strain library.Table 1 is the sample test result, and the result shows that the antiseptic addition is that 1%-5% is the optimum addn amount.
Claims (10)
1. the preparation method of an antibacterial and mouldproof superfine fiber chemical leather is characterized in that: the described complex antimicrobials that regulates viscosity is added in the Synthetic Leather moulding slurry, mix aftershaping; Base cloth after the oven dry, process alkali decrement process in continuous or batch (-type) alkali decrement machine; Again will be through the base cloth behind the alkali decrement process through aftertreatment technology.
2. the preparation method of an antibacterial and mouldproof superfine fiber chemical leather comprises polyurethane resin and the complex antimicrobials that is dispersed in the described polyurethane, it is characterized in that, may further comprise the steps:
1) 0～3 part of 2～3 parts of 2～5 parts of foaming agents, the foam stabilizers of following parts by weight and 50～150 parts in water, water stain is added in the water-based anion polyurethane dipping sizing agent of 100 parts of parts by weight, stir with homogenizer again, make the slurry that density is 300～550g/L;
2) with 0.01-20 part inorganic antiseptic of following parts by weight, 0.01-35 part organic antibacterial agent, 0.0001-0.4 part compatible finishing agent and 0.0001-0.4 part anti-blushing agent, abundant wetting dispersion, agitation grinding in 100 parts of dimethyl formamides, and continuing to add the compatible finishing agent of 0.0001-0.4 part and 0.01-35 part organic antibacterial agent successively under the grinding;
3) in dipping tank, nonwoven fabric be impregnated in the described slurry, the surface strikes off, and pickup is 400～1000g/m
2, keep 30～60% abscess;
4) with the viscosity of the prepared composite antibiosis agent emulsion of macromolecule viscosity-controlling agent adjusting, reach approaching with the viscosity of described Synthetic Leather moulding slurry; The described complex antimicrobials that regulates viscosity is added in the described Synthetic Leather moulding slurry, mix aftershaping;
5) base cloth after the oven dry, process alkali decrement process in continuous or batch (-type) alkali decrement machine;
6) again will be through the base cloth behind the alkali decrement process through aftertreatment technology.
3. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 2, it is characterized in that: the viscosity of described water-based anion polyurethane dipping sizing agent is 5～17Pa.s, described foaming agent is alkyl benzene sulfonate surfactant or sulfosuccinate salt surfactant, described foam stabilizer is stearates, and described water stain is general anionic colouring agent.
4. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 2, it is characterized in that: described water-based anion polyurethane dipping sizing agent is that 100% stretching strength is 20～100KG/cm
2Solid content is at the water-based anion polyurethane dipping sizing agent of 20～30% percentage by weights, described alkyl benzene sulfonate surfactant is dodecyl sodium sulfate, described sulfosuccinate salt surfactant is sulfosuccinate sodium or sulfosuccinate amine, and described stearates is Stearyl Amine.
5. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 2, it is characterized in that: described inorganic antiseptic is micropore or the mesoporous material of carrying silver ion.
6. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 4 is characterized in that: described inorganic antiseptic is zeolite with carrying silver, carry silver-colored phosphate, carry silver-colored silica gel and carry at least a in the silver-colored imvite component, and particle diameter is 20-100nm.
7. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 2, it is characterized in that: wherein said organic antibacterial agent is organosulfur compound.
8. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 5 is characterized in that: at least a in two three chloromethyl sulfones, allicin, two dibenzoyl disulfide, haloperidid methyl sulfide, mercaptopyridine, pentachlorothiophenol and the 2-thiocyanogen methyl-thio-benzothiazole component of described organic antibacterial agent.
9. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 2 is characterized in that: wherein said compatible finishing agent is at least a in silane coupler, titanate coupling agent, aluminate coupling agent, boric acid ester coupler and the epoxy resin coupling agent component.
10. the preparation method of antibacterial and mouldproof superfine fiber chemical leather according to claim 2, it is characterized in that: the addition of wherein said antiseptic is counted 1-5wt% with the weight of described polyurethane resin.
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| CN104179033A (en) * | 2014-08-01 | 2014-12-03 | 陕西科技大学 | Production method of functional synthetic leather for mobile phone case |
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| CN105442338A (en) * | 2015-11-23 | 2016-03-30 | 东华理工大学 | Plant antibacterial and odor-resistant type polyvinyl chloride artificial leather and preparation method thereof |
| CN106172434B (en) * | 2016-06-27 | 2018-08-21 | 宁德师范学院 | A kind of wall clothing biocide mildewcide and preparation method thereof |
| CN107354760B (en) * | 2017-05-24 | 2020-05-05 | 贝内克-长顺汽车内饰材料（张家港）有限公司 | Low temperature resistant flexural perforated breathable polyvinyl chloride artificial leather and preparation method thereof |
| CN107354760A (en) * | 2017-05-24 | 2017-11-17 | 贝内克-长顺汽车内饰材料（张家港）有限公司 | Low temperature resistant flexure hole drilling ventilation artificial polyvinyl chloride leather and preparation method thereof |
| CN109183429A (en) * | 2018-07-12 | 2019-01-11 | 安徽月娇家具有限公司 | A kind of production method of antibacterial sofa fabric |
| CN111021091A (en) * | 2019-11-15 | 2020-04-17 | 广东春夏新材料科技股份有限公司 | Dispersible wet tissue material and preparation method and application thereof |
| CN111764179A (en) * | 2020-06-01 | 2020-10-13 | 广西鑫深科技有限公司 | Environment-friendly antibacterial artificial leather |
| CN111893777A (en) * | 2020-08-10 | 2020-11-06 | 吉安市三菱超细纤维有限公司 | High-wear-resistance high-durability antibacterial synthetic leather and preparation method and application thereof |
| CN114103370A (en) * | 2021-12-06 | 2022-03-01 | 福建中裕水性超纤科技有限公司 | Antibacterial and mildewproof superfine fiber bass |
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