CN106319929A - Preparation method of aging resistant silk fibers - Google Patents

Preparation method of aging resistant silk fibers Download PDF

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CN106319929A
CN106319929A CN201610686157.3A CN201610686157A CN106319929A CN 106319929 A CN106319929 A CN 106319929A CN 201610686157 A CN201610686157 A CN 201610686157A CN 106319929 A CN106319929 A CN 106319929A
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silk fiber
gamma
cellulose
fibroin
silk
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CN106319929B (en
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陈开泰
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Huamei Fashion Group Co.,Ltd.
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陈开泰
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03Polysaccharides or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0009Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
    • C08B37/0012Cyclodextrin [CD], e.g. cycle with 6 units (alpha), with 7 units (beta) and with 8 units (gamma), large-ring cyclodextrin or cycloamylose with 9 units or more; Derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
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    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144Alcohols; Metal alcoholates
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03Polysaccharides or derivatives thereof
    • D06M15/05Cellulose or derivatives thereof
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    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
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    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D06M15/6436Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
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    • D06M16/00Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D06M16/006Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with wool-protecting agents; with anti-moth agents
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    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/10Animal fibres
    • D06M2101/12Keratin fibres or silk

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Abstract

The invention relates to field of textile materials, and discloses a preparation method of aging resistant silk fibers. The preparation method comprises the following steps: 1, preparing gamma-cyclodextrin monoaldehyde; 2, preparing silver-loaded gamma-cyclodextrin monoaldehyde; 3, preparing cellulose-fibroin-titanium dioxide xerogel particles; 4, grafting the silk fibers; 5, carrying out impregnated finishing on the silk fibers. The silk fibers prepared by the invention can effectively delay the aging of the silk fibers and avoid borer plaque and bacterial plaque, and further has long aging. In addition, the preparation method of the aging resistant silk fibers can keep the original flexibility of silk and enhance the tensile strength of the silk, and is environment-friendly and harmless, and further does not affect human bodies.

Description

A kind of preparation method of ageing-resistant silk fiber
Technical field
The present invention relates to textile material field, particularly relate to silk fiber field.
Background technology
Silkworm silk is the matured silkworm secreted concretionary continuous fiber of silk liquid, also referred to as natural silk when cocooing, and is a kind of natural Fiber, is one of human use's animal fiber the earliest.Silkworm silk light weight and elongated, fabric sheen is good, comfortable and easy to wear, and feel is smooth Plentiful, poor heat conductivity, moisture absorption is breathed freely, and is widely used in and knits the various silks and satins of system and knitwear.But owing to silkworm silk main component is by moving Thing albumen, quality is the most fragile, easily turns to be yellow, hardens after long-time illumination;On the other hand, silk fiber is vulnerable to micro-life Thing.The erosion of insects, not only affects attractive in appearance and feel, but also can make silk fiber accelerated ageing, and intensity declines, and easily breaks Damage.
Authorization Notice No. is that the patent of invention of CN103741458A discloses a kind of antibacterial moth proofing agent of silk fabric, it Be made up of the component of following parts by weight: Fructus Caryophylli powder 7-15 part, Punica granatum L. corium farinosum 7-14 part, silicone oil 5-9 part, Cera Flava 2-7 part, Alkylolamides 3-9 part, polyvinylpyrrolidone 2-6 part, xylene monosulfonic acid potassium 4-7 part, lactose 2-7 part, starch 3-7 part, wine Essence 20-24 part, phenyl salicylate 5-9 part, Span60 5-9 part.The silk fabric of this invention is antibacterial mothproof whole Reason agent has antibacterial mothproof effect, excellent effect.(2) finish fabric has good washability and soft feel;(3) work is prepared Skill is simple, harmless to human non-toxic, will not destroy the silkworm silk in silk fabric.
But the antibacterial moth proofing agent of above-mentioned silk fabric is ageing poor, it is impossible to keep effect for a long time, and to silkworm silk After fibre finish, the compliance of silkworm silk can be affected.Further, the antibacterial moth proofing agent of this silk fabric does not possess anti-aging function.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides the preparation method of a kind of ageing-resistant silk fiber.The present invention The silk fiber prepared can effectively delay silk fiber aging and it can be avoided that eat into speckle and the generation of bacterial plaque, and timeliness is long, this Outward, additionally it is possible to keep the original compliance of silkworm silk and promote the tensile strength of silkworm silk, and environmentally friendly, human body will not be made Become impact.
The concrete technical scheme of the present invention is: the preparation method of a kind of ageing-resistant silk fiber, sequentially includes the following steps:
Step 1: by gamma-cyclodextrin, o-iodoxy benzoic acid potassium, dimethyl sulfoxide 5-10:3-5:100 in mass ratio mixing, After being completely dissolved, solution is reacted in the ultrasound bath of 40-50 DEG C 8-16h;Filter after reaction, take filtrate, will filter with acetone Liquid agitation and dilution 40-50 times, filters again, takes solid, and is dissolved with the water of solid masses 30-35 times, then carries out Filter, take filtrate for three times, the dried gamma-cyclodextrin list aldehyde for preparing, standby.
Step 2: above-mentioned prepared part gamma-cyclodextrin list aldehyde is formulated as the gamma-cyclodextrin list that mass concentration is 4-6% Aldehyde solution, adds the silver nitrate that quality is 0.3-0.5 times of gamma-cyclodextrin list aldehyde in gamma-cyclodextrin list aldehyde solution, stirs After, solution ph is controlled at 4-6, under the conditions of lucifuge, be heated to 50-60 DEG C and be incubated 2-3h, being then centrifuged for isolated Solid, solid is clean, dried, it is dissolved in sodium hydroxide solution, adding quality in sodium hydroxide solution is solid 0.5- The sodium borohydride of 1.5%, regulates pH to 7-8, is then stirred, and recentrifuge separates and prepares after drying load silver γ-ring and sticks with paste The single aldehyde of essence.
Step 3: cellulose, fibroin albumen are formulated as cellulose mass concentration be 2-4%, fibroin albumen quality concentration be The mixed solution of 1-3%, successively adds the load silver gamma-cyclodextrin list aldehyde of mixed solution quality 0.5-1.5% in mixed solution With the Ethylene glycol diglycidyl ether of mixed solution quality 0.1-0.3%, prepare mixed sols after being uniformly dispersed, by mixed sols Mix with titania hydrosol 4-6:1 in mass ratio, be transferred to after stirring in the environment of-10 DEG C to-6 DEG C freeze 2-3 My god, thaw after frost, prepare cellulose-fibroin-titanium dioxide hydrogel;With ethanol to cellulose-fibroin-titanium dioxide After hydrogel carries out solvent displacement for several times, prepare cellulose-fibroin-titanium dioxide alcogel;To cellulose-fibroin-titanium dioxide Titanium alcogel carries out supercritical fluid drying, eventually passes through grinding and prepares cellulose-fibroin-titanium dioxide xerogel particles.
Step 4: successively add silk fiber, gamma-cyclodextrin list aldehyde and fiber in the aqueous hydrochloric acid solution that pH value is 5-6 Element-fibroin-titanium dioxide xerogel particles, the post-heating that stirs is to 38-42 DEG C of reaction 2-3h, wherein silk fiber, γ-ring The mass ratio of dextrin list aldehyde, cellulose-fibroin-titanium dioxide xerogel particles and aqueous hydrochloric acid solution is 2-3:3-5:1-3:100; Then to adding enough sodium cyanoborohydrides, react 3-5 days, finally reactant liquor is adjusted to neutrality, silk fiber is taken out also Clean.
Step 5: the impregnation process in dressing liquid of the silk fiber after step 4 being processed, takes out after dipping and is dried, Prepare ageing-resistant silk fiber;Described dressing liquid include the mothproof quintessence oil of 5-15wt%, the hydrophilic amino silicone oil of 1-3wt%, The ethanol of 10-30wt% and the water of surplus.
Step 1 of the present invention first prepares gamma-cyclodextrin list aldehyde with gamma-cyclodextrin, and gamma-cyclodextrin list aldehyde can be grafted to silkworm silk On fiber.In step 2, take a part of gamma-cyclodextrin list aldehyde, utilize the adsorption of gamma-cyclodextrin list aldehyde to carry out carrying silver, it is possible to Silk fiber is made to have antibacterial effect.Step 3 cellulose, fibroin albumen, load silver gamma-cyclodextrin list aldehyde are prepared cellulose- Fibroin-titanium dioxide xerogel particles, has extra specific surface area and outstanding adsorption, and selects cellulose, fibroin albumen As main material, it is possible to promoting the tensile strength of silk fiber, fibroin albumen is as the homology material of silk fiber, affinity More preferably, titanium dioxide has outstanding anti-light aging, it is possible to delay silk fiber by illumination yellow, aging;Ethylene glycol bisthioglycolate contracts Water glycerin ether can improve the degree of cross linking in hydrogel forming process, and stability is more preferable.Step 4 is by gamma-cyclodextrin list aldehyde, fiber Element-fibroin-titanium dioxide xerogel particles is grafted on silk fiber.Silk fiber after grafting be impregnated in arrangement by step 5 In liquid, gamma-cyclodextrin list aldehyde molecule has micro-cavities, and cellulose-fibroin-titanium dioxide xerogel particles has the three of complexity Tieing up pore passage structure, both cooperate and can fully adsorb composition mothproof in dressing liquid, and absorption fastness is good, and has slow Release effect, so that silk fiber is mothproof ageing good.
Further, the particle diameter of described cellulose-fibroin-titanium dioxide xerogel particles is less than or equal to 1 micron.
Further, described silk fiber before step 4 through pretreatment: silk fiber is 35-45 DEG C in temperature Water in swelling 1-3h, by silk fiber and to impregnated in mass concentration be 0.2-0.4%'s to then take out 1:60-80 in mass ratio In solution of potassium carbonate, boil 0.5-1h;Finally silk fiber taking-up is dried standby.
Pretreated silk fiber can preferably be grafted with gamma-cyclodextrin list aldehyde.
Further, in step 5, the impregnation technology of silk fiber is: silk fiber is 1:100-with the mass ratio of dressing liquid 200;Dressing liquid temperature is 45-55 DEG C;Dip time is 8-10h.
Further, mothproof quintessence oil described in step 5 is Deodar Cedar (Himalayan Cedar) quintessence oil, Herba Lysimachiae foenum-graeci quintessence oil, Peppermint essential oil, Radix Cinnamomi porrecti quintessence oil In one or more mixture.
It is compared with the prior art, the invention has the beneficial effects as follows: the silk fiber that the present invention prepares can effectively delay silkworm Silk fiber is aging and it can be avoided that moth speckle and the generation of bacterial plaque, and timeliness is long, additionally it is possible to keep the original compliance of silkworm silk With promote the tensile strength of silkworm silk, and environmentally friendly, human body is not resulted in impact.When the mothproof effect of silk fiber becomes During difference, can again be impregnated in dressing liquid.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
The preparation method of a kind of ageing-resistant silk fiber, sequentially includes the following steps:
Step 1: by gamma-cyclodextrin, o-iodoxy benzoic acid potassium, dimethyl sulfoxide 7.5:4:100 in mass ratio mixing, complete After CL, solution is reacted in the ultrasound bath of 45 DEG C 12h;Filter after reaction, take filtrate, with acetone, filtrate is stirred Dilute 45 times, again filter, take solid, and dissolved with the water of solid masses 32 times, then carry out third time and filter, take filter Liquid, the dried gamma-cyclodextrin list aldehyde for preparing, standby.
Step 2: above-mentioned prepared part gamma-cyclodextrin list aldehyde is formulated as the gamma-cyclodextrin list aldehyde that mass concentration is 5% Solution, adds the silver nitrate that quality is 0.4 times of gamma-cyclodextrin list aldehyde in gamma-cyclodextrin list aldehyde solution, after stirring, and will Solution ph controls 5, under the conditions of lucifuge, is heated to 55 DEG C and is incubated 2.5h, being then centrifuged for isolated solid, by solid Clean, dried, it is dissolved in sodium hydroxide solution, in sodium hydroxide solution, adds the sodium borohydride that quality is solid 1%, adjust Joint pH to 7.5, is then stirred, and recentrifuge separates and prepares after drying and carries silver gamma-cyclodextrin list aldehyde.
Step 3: cellulose, fibroin albumen are formulated as cellulose mass concentration be 3%, fibroin albumen quality concentration be The mixed solution of 2%, load silver gamma-cyclodextrin list aldehyde and the mixing of successively adding mixed solution quality 1% in mixed solution are molten The Ethylene glycol diglycidyl ether of liquid quality 0.2%, prepares mixed sols after being uniformly dispersed, by mixed sols and titanium dioxide water Colloidal sol 56:1 in mass ratio mixes, and is transferred in the environment of-8 DEG C frost 2.5 days, thaws after frost after stirring, system Obtain cellulose-fibroin-titanium dioxide hydrogel;With ethanol, cellulose-fibroin-titanium dioxide hydrogel is carried out solvent for several times to put After changing, prepare cellulose-fibroin-titanium dioxide alcogel;Cellulose-fibroin-titanium dioxide alcogel is carried out shooting flow Soma is dry, eventually passes through and grinds the cellulose-fibroin-titanium dioxide xerogel particles preparing particle diameter less than 1 micron.
Step 4: by silk fiber swelling 2h in the water that temperature is 40 DEG C, then take out 1:70 in mass ratio by silk fibroin Tie up and impregnated in the solution of potassium carbonate that mass concentration is 0.3%, boil 45min;Finally silk fiber taking-up is dried standby.
Successively pretreated silk fiber, gamma-cyclodextrin list aldehyde and fibre is added in the aqueous hydrochloric acid solution that pH value is 5.5 Dimension element-fibroin-titanium dioxide xerogel particles, the post-heating that stirs is to 40 DEG C of reactions 2.5h, wherein silk fiber, γ-rings The mass ratio of dextrin list aldehyde, cellulose-fibroin-titanium dioxide xerogel particles and aqueous hydrochloric acid solution is 2.5:4:2:100;Then To adding enough sodium cyanoborohydrides, react 4 days, finally reactant liquor is adjusted to neutrality, silk fiber is taken out and cleans.
Step 5: the impregnation process in dressing liquid of the silk fiber after step 4 being processed, takes out after dipping and is dried, Prepare ageing-resistant silk fiber;Described dressing liquid includes the Deodar Cedar (Himalayan Cedar) quintessence oil of 5wt%, the Radix Cinnamomi porrecti quintessence oil of 5wt%, the parent of 2wt% Aqueous amido silicon oil, the ethanol of 20wt% and the water of surplus.Impregnation technology is: silk fiber is 1 with the mass ratio of dressing liquid: 150;Dressing liquid temperature is 50 DEG C;Dip time is 9h.
Embodiment 2
The preparation method of a kind of ageing-resistant silk fiber, sequentially includes the following steps:
Step 1: by gamma-cyclodextrin, o-iodoxy benzoic acid potassium, dimethyl sulfoxide 5:3:100 in mass ratio mixing, completely After dissolving, solution is reacted in the ultrasound bath of 40 DEG C 16h;Filter after reaction, take filtrate, filtrate is stirred dilute with acetone Release 40 times, again filter, take solid, and dissolved with the water of solid masses 30 times, then carry out third time and filter, take filter Liquid, the dried gamma-cyclodextrin list aldehyde for preparing, standby.
Step 2: above-mentioned prepared part gamma-cyclodextrin list aldehyde is formulated as the gamma-cyclodextrin list aldehyde that mass concentration is 4% Solution, adds the silver nitrate that quality is 0.3 times of gamma-cyclodextrin list aldehyde in gamma-cyclodextrin list aldehyde solution, after stirring, and will Solution ph controls 4, under the conditions of lucifuge, is heated to 50 DEG C and is incubated 3h, being then centrifuged for isolated solid, washed by solid Only, after drying, it is dissolved in sodium hydroxide solution, in sodium hydroxide solution, adds the sodium borohydride that quality is solid 0.5%, adjust Joint pH to 7, is then stirred, and recentrifuge separates and prepares after drying and carries silver gamma-cyclodextrin list aldehyde.
Step 3: cellulose, fibroin albumen are formulated as cellulose mass concentration be 2%, fibroin albumen quality concentration be The mixed solution of 1%, successively adds load silver gamma-cyclodextrin list aldehyde and the mixing of mixed solution quality 0.5% in mixed solution The Ethylene glycol diglycidyl ether of solution quality 0.1%, prepares mixed sols, by mixed sols and titanium dioxide after being uniformly dispersed Hydrosol 4:1 in mass ratio mixes, and is transferred in the environment of-10 frost 2 days, thaws after frost after stirring, and prepares Cellulose-fibroin-titanium dioxide hydrogel;With ethanol, cellulose-fibroin-titanium dioxide hydrogel is carried out solvent for several times to replace After, prepare cellulose-fibroin-titanium dioxide alcogel;Cellulose-fibroin-titanium dioxide alcogel is carried out supercritical fluid It is dried, eventually passes through and grind the cellulose-fibroin-titanium dioxide xerogel particles preparing particle diameter less than 1 micron.
Step 4: by silk fiber swelling 3h in the water that temperature is 35 DEG C, then take out 1:60 in mass ratio by silk fibroin Tie up and impregnated in the solution of potassium carbonate that mass concentration is 0.2%, boil 1h;Finally silk fiber taking-up is dried standby.
Successively pretreated silk fiber, gamma-cyclodextrin list aldehyde and fiber is added in the aqueous hydrochloric acid solution that pH value is 5 Element-fibroin-titanium dioxide xerogel particles, the post-heating that stirs is to 38 DEG C of reactions 3h, wherein silk fiber, gamma-cyclodextrins The mass ratio of single aldehyde, cellulose-fibroin-titanium dioxide xerogel particles and aqueous hydrochloric acid solution is 2:3:1:100;Then to interpolation Enough sodium cyanoborohydrides, react 3 days, finally reactant liquor are adjusted to neutrality, are taken out by silk fiber and clean.
Step 5: the impregnation process in dressing liquid of the silk fiber after step 4 being processed, takes out after dipping and is dried, Prepare ageing-resistant silk fiber;Described dressing liquid include the Herba Lysimachiae foenum-graeci quintessence oil of 5wt%, the hydrophilic amino silicone oil of 1wt%, The ethanol of 10wt% and the water of surplus.Impregnation technology is: silk fiber is 1:100 with the mass ratio of dressing liquid;Dressing liquid temperature It it is 45 DEG C;Dip time is 10h.
Embodiment 3
The preparation method of a kind of ageing-resistant silk fiber, sequentially includes the following steps:
Step 1: by gamma-cyclodextrin, o-iodoxy benzoic acid potassium, dimethyl sulfoxide 10:5:100 in mass ratio mixing, completely After dissolving, solution is reacted in the ultrasound bath of 50 DEG C 8h;Filter after reaction, take filtrate, with acetone by filtrate agitation and dilution 50 times, again filter, take solid, and dissolved with the water of solid masses 35 times, then carry out third time and filter, take filtrate, The dried gamma-cyclodextrin list aldehyde for preparing, standby.
Step 2: above-mentioned prepared part gamma-cyclodextrin list aldehyde is formulated as the gamma-cyclodextrin list aldehyde that mass concentration is 6% Solution, adds the silver nitrate that quality is 0.5 times of gamma-cyclodextrin list aldehyde in gamma-cyclodextrin list aldehyde solution, after stirring, and will Solution ph controls 6, under the conditions of lucifuge, is heated to 60 DEG C and is incubated 2h, being then centrifuged for isolated solid, washed by solid Only, after drying, it is dissolved in sodium hydroxide solution, in sodium hydroxide solution, adds the sodium borohydride that quality is solid 1.5%, adjust Joint pH to 8, is then stirred, and recentrifuge separates and prepares after drying and carries silver gamma-cyclodextrin list aldehyde.
Step 3: cellulose, fibroin albumen are formulated as cellulose mass concentration be 4%, fibroin albumen quality concentration be The mixed solution of 3%, successively adds load silver gamma-cyclodextrin list aldehyde and the mixing of mixed solution quality 1.5% in mixed solution The Ethylene glycol diglycidyl ether of solution quality 0.3%, prepares mixed sols, by mixed sols and titanium dioxide after being uniformly dispersed Hydrosol 6:1 in mass ratio mixes, and is transferred in the environment of-6 DEG C frost 3 days, thaws after frost after stirring, and prepares Cellulose-fibroin-titanium dioxide hydrogel;With ethanol, cellulose-fibroin-titanium dioxide hydrogel is carried out solvent for several times to replace After, prepare cellulose-fibroin-titanium dioxide alcogel;Cellulose-fibroin-titanium dioxide alcogel is carried out supercritical fluid It is dried, eventually passes through and grind the cellulose-fibroin-titanium dioxide xerogel particles preparing particle diameter less than 1 micron.
Step 4: by silk fiber swelling 1h in the water that temperature is 45 DEG C, then take out 1:80 in mass ratio by silk fibroin Tie up and impregnated in the solution of potassium carbonate that mass concentration is 0.4%, boil 0.5h;Finally silk fiber taking-up is dried standby.
Successively pretreated silk fiber, gamma-cyclodextrin list aldehyde and fiber is added in the aqueous hydrochloric acid solution that pH value is 6 Element-fibroin-titanium dioxide xerogel particles, the post-heating that stirs is to 42 DEG C of reactions 2h, wherein silk fiber, gamma-cyclodextrins The mass ratio of single aldehyde, cellulose-fibroin-titanium dioxide xerogel particles and aqueous hydrochloric acid solution is 3:5:3:100;Then to interpolation Enough sodium cyanoborohydrides, react 5 days, finally reactant liquor are adjusted to neutrality, are taken out by silk fiber and clean.
Step 5: the impregnation process in dressing liquid of the silk fiber after step 4 being processed, takes out after dipping and is dried, Prepare ageing-resistant silk fiber;Described dressing liquid includes the Herba Lysimachiae foenum-graeci quintessence oil of 10wt%, the Peppermint essential oil of 5wt%, the parent of 3wt% Aqueous amido silicon oil, the ethanol of 30wt% and the water of surplus.Impregnation technology is: silk fiber is 1 with the mass ratio of dressing liquid: 200;Dressing liquid temperature is 55 DEG C;Dip time is 8h.
To the prepared ageing-resistant silk fiber of the embodiment of the present invention 1 and carry out ageing-resistant test with kind silk fiber, survey Strip part is: by ageing-resistant silk fiber and place 200h under the Halogen light that illumination is l250lx with kind silk fiber, away from From for 30cm, temperature controls at 30 DEG C.Carrying out fracture strength and elongation at break is tested, ageing-resistant silk fiber is compared With kind silk fiber, fracture strength height 30-40%, elongation at break height 20-30%.
Carrying out mothproof effect through the prepared ageing-resistant silk fiber of the embodiment of the present invention 1 to test, mothproof effect can Up to 1-2, and after repeatedly washing, still can keep better effects.Additionally to ageing-resistant silk fiber fabric and same kind Silk fiber fabric carries out stiffness test, and ageing-resistant silk fiber boardness is to declining about 3-5%, therefore to silkworm silk The pliability impact of fiber is little.
Raw materials used, equipment in the present invention, unless otherwise noted, is the conventional raw material of this area, equipment;In the present invention Method therefor, unless otherwise noted, is the conventional method of this area.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention Any simple modification, change and the equivalent transformation that above example is made by technical spirit, all still falls within the technology of the present invention side The protection domain of case.

Claims (5)

1. the preparation method of an ageing-resistant silk fiber, it is characterised in that sequentially include the following steps:
Step 1: by gamma-cyclodextrin, o-iodoxy benzoic acid potassium, dimethyl sulfoxide 5-10:3-5:100 in mass ratio mixing, completely After dissolving, solution is reacted in the ultrasound bath of 40-50 DEG C 8-16h;Filter after reaction, take filtrate, with acetone, filtrate is stirred Mix dilution 40-50 times, again filter, take solid, and dissolved with the water of solid masses 30-35 times, then carry out third time Filter, take filtrate, the dried gamma-cyclodextrin list aldehyde for preparing, standby;
Step 2: above-mentioned prepared part gamma-cyclodextrin list aldehyde is formulated as the gamma-cyclodextrin list aldehyde that mass concentration is 4-6% molten Liquid, adds the silver nitrate that quality is 0.3-0.5 times of gamma-cyclodextrin list aldehyde in gamma-cyclodextrin list aldehyde solution, after stirring, Solution ph is controlled at 4-6, under the conditions of lucifuge, be heated to 50-60 DEG C and be incubated 2-3h, be then centrifuged for isolated solid Body, solid is clean, dried, it is dissolved in sodium hydroxide solution, adding quality in sodium hydroxide solution is solid 0.5- The sodium borohydride of 1.5%, regulates pH to 7-8, is then stirred, and recentrifuge separates and prepares after drying load silver γ-ring and sticks with paste The single aldehyde of essence;
Step 3: cellulose, fibroin albumen are formulated as cellulose mass concentration be 2-4%, fibroin albumen quality concentration be 1- The mixed solution of 3%, successively add in mixed solution mixed solution quality 0.5-1.5% load silver gamma-cyclodextrin list aldehyde and The Ethylene glycol diglycidyl ether of mixed solution quality 0.1-0.3%, after being uniformly dispersed prepare mixed sols, by mixed sols with Titania hydrosol 4-6:1 in mass ratio mixes, and is transferred in the environment of-10 DEG C to-6 DEG C frost 2-3 days after stirring, Thaw after frost, prepare cellulose-fibroin-titanium dioxide hydrogel;With ethanol to cellulose-fibroin-titanium dioxide water After gel carries out solvent displacement for several times, prepare cellulose-fibroin-titanium dioxide alcogel;To cellulose-fibroin-titanium dioxide Alcogel carries out supercritical fluid drying, eventually passes through grinding and prepares cellulose-fibroin-titanium dioxide xerogel particles;
Step 4: successively add silk fiber, gamma-cyclodextrin list aldehyde and cellulose-silk in the aqueous hydrochloric acid solution that pH value is 5-6 Element-titanium dioxide xerogel particles, the post-heating that stirs is to 38-42 DEG C of reaction 2-3h, wherein silk fiber, gamma-cyclodextrin The mass ratio of single aldehyde, cellulose-fibroin-titanium dioxide xerogel particles and aqueous hydrochloric acid solution is 2-3:3-5:1-3:100;Then To adding enough sodium cyanoborohydrides, react 3-5 days, finally reactant liquor is adjusted to neutrality, silk fiber is taken out and cleans;
Step 5: the impregnation process in dressing liquid of the silk fiber after step 4 being processed, takes out after dipping and is dried, and prepares Ageing-resistant silk fiber;Described dressing liquid includes the mothproof quintessence oil of 5-15wt%, the hydrophilic amino silicone oil of 1-3wt%, 10- The ethanol of 30wt% and the water of surplus.
The preparation method of a kind of ageing-resistant silk fiber the most as claimed in claim 1, it is characterised in that described cellulose-silk The particle diameter of element-titanium dioxide xerogel particles is less than or equal to 1 micron.
The preparation method of a kind of ageing-resistant silk fiber the most as claimed in claim 1, it is characterised in that described silk fiber exists Through pretreatment before step 4: by silk fiber swelling 1-3h in the water that temperature is 35-45 DEG C, then take out in mass ratio 1:60-80 is by silk fiber and impregnated in the solution of potassium carbonate that mass concentration is 0.2-0.4%, boils 0.5-1h;Finally will Silk fiber taking-up is dried standby.
The preparation method of a kind of ageing-resistant silk fiber the most as claimed in claim 1, it is characterised in that silk fibroin in step 5 The impregnation technology of dimension is: silk fiber is 1:100-200 with the mass ratio of dressing liquid;Dressing liquid temperature is 45-55 DEG C;During dipping Between be 8-10h.
5. the preparation method of a kind of ageing-resistant silk fiber as described in claim 1 or 4, it is characterised in that described in step 5 Mothproof quintessence oil is one or more mixture in Deodar Cedar (Himalayan Cedar) quintessence oil, Herba Lysimachiae foenum-graeci quintessence oil, Peppermint essential oil, Radix Cinnamomi porrecti quintessence oil.
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CN107142717A (en) * 2017-06-28 2017-09-08 南通大学 A kind of production method of the anti-aging geotextiles of the hydrosol
CN108309168A (en) * 2017-12-31 2018-07-24 广州海鑫无纺布实业有限公司 A kind of preparation method of high-durability frosted cleaning cloth
CN114904388A (en) * 2022-04-18 2022-08-16 广西科技大学 Ag @ essential oil @ cyclodextrin/bamboo charcoal @ TiO 2 Nano material and application thereof
CN115748255A (en) * 2022-11-28 2023-03-07 浙江理工大学 High-conductivity scrub-resistant intelligent sensing silk fiber and preparation method and application thereof

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CN105220479A (en) * 2015-09-21 2016-01-06 中国丝绸博物馆 A kind of preparation method being applicable to the silk fiber of textiles historical relic's protection
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CN102373618A (en) * 2011-11-18 2012-03-14 张家港耐尔纳米科技有限公司 Silver-carried alginic acid fiber and preparation method thereof
CN104530437A (en) * 2014-12-02 2015-04-22 天津工业大学 Preparation method of cyclodextrin grafted chitosan polymer with water pollutant separating property
CN105220479A (en) * 2015-09-21 2016-01-06 中国丝绸博物馆 A kind of preparation method being applicable to the silk fiber of textiles historical relic's protection
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107142717A (en) * 2017-06-28 2017-09-08 南通大学 A kind of production method of the anti-aging geotextiles of the hydrosol
CN108309168A (en) * 2017-12-31 2018-07-24 广州海鑫无纺布实业有限公司 A kind of preparation method of high-durability frosted cleaning cloth
CN114904388A (en) * 2022-04-18 2022-08-16 广西科技大学 Ag @ essential oil @ cyclodextrin/bamboo charcoal @ TiO 2 Nano material and application thereof
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CN115748255A (en) * 2022-11-28 2023-03-07 浙江理工大学 High-conductivity scrub-resistant intelligent sensing silk fiber and preparation method and application thereof

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