CN106149130A - A kind of controlled antibacterial towel of argentiferous chelating acrylic fiber and preparation method thereof - Google Patents

A kind of controlled antibacterial towel of argentiferous chelating acrylic fiber and preparation method thereof Download PDF

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Publication number
CN106149130A
CN106149130A CN201610665856.XA CN201610665856A CN106149130A CN 106149130 A CN106149130 A CN 106149130A CN 201610665856 A CN201610665856 A CN 201610665856A CN 106149130 A CN106149130 A CN 106149130A
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China
Prior art keywords
silver
fiber
chelating
acrylic fiber
towel
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CN201610665856.XA
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CN106149130B (en
Inventor
李飞
肖红
汝新伟
张君秋
胡增祥
于春波
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SHANDONG BINZHOU YAGUANG TOWEL CO Ltd
Quartermaster Research Institute of General Logistics Department of CPLA
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SHANDONG BINZHOU YAGUANG TOWEL CO Ltd
Quartermaster Research Institute of General Logistics Department of CPLA
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    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00Body-drying implements; Toilet paper; Holders therefor
    • A47K10/02Towels
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00Physical properties
    • D10B2401/13Physical properties anti-allergenic or anti-bacterial

Abstract

The present invention relates to a kind of controlled antibacterial towel containing silver chelating acrylic fiber and preparation method thereof, belong to daily field of fabric producing technology, the yarn of controlled antibacterial towel is silver chelating acrylic fiber and the scribbled of conventional fibre composition of 0.4 3 weight %, the content of silver chelating acrylic fiber is 0.4 1.5 weight %, described scribbled, as plush yarn, is consolidated on wire gauze;Described scribbled is simultaneously as plush yarn and wire gauze.Silver ion content before and after controlled antibacterial towel washing (50 times) of the present invention is not less than 50ppm;And gram positive bacteria, negative bacterium and fungus are had the bacteriostasis rate of up to more than 90%.In washing process, if towel cloth is washed together with other medicated clothing, additionally it is possible to other medicated clothing is played same bactericidal action.

Description

A kind of controlled antibacterial towel of argentiferous chelating acrylic fiber and preparation method thereof
Technical field
The present invention relates to a kind of antibacterial towel and preparation method thereof, more particularly relate to a kind of argentiferous chelating acrylic fiber Controlled antibacterial towel and preparation method thereof, refer to by small scale add silver chelating anti-bacterial fibre and special dyeing and finishing technology obtain There is the towel of anti-microbial property lasting, controlled, belong to daily field of fabric producing technology.
Background technology
Towel product, is the daily textile having a large capacity and a wide range.On the one hand, frequency of usage is high, is typically placed to bathroom etc. wet Spend in bigger environment, easy breed bacteria.On the other hand, at torridity summer, towel is through frequently as sweat Wiping article, at height Temperature high humidity and under having the perspiration environment of the existence such as abundant human body scurf, antibacterial is easier to grow, and such towel is within usual one day Unpleasant flavour will occur.
Therefore, towel needs anti-microbial property, to prevent sending out of antibacterial transmission in different users and unpleasant flavour Raw.
Optimal antibacterial towel should meet following condition: (1) performance normal on towel does not affect.I.e. to towel cloth The matte of common demands is plentiful, soft, fluffy moisture absorption etc. does not has any impact;(2) controlled antibacterial.I.e. the most numerous on antibacterial The environment grown, i.e. humidity, high temperature, have abundant nutrition material etc. under the conditions of, there is good antibacterial effect;And wait environment dry Under, normal flora is not affected;(3) durable antibiotic.After washing 50 times, the most antibacterial well.
Generally, the method giving antibacterial fabric performance has three kinds: (1) Final finishing mode.By antibacterial finishing agent, according to necessarily Technique is combined on fabric.Such method is generally difficult to take into account the index of anti-microbial property and feel and endurance quality.(2) by adding Entering anti-bacterial fibre, obtain antimicrobial yarn further, weave, it is thus achieved that fabric, its shortcoming is the bamboo of addition, fiber crops, chitin Deng bacteriostatic fiber subjective antisepsis poor-performing, it is therefore desirable to add in a large number in fabric, content is at least more than 30% grade, and this will Largely effect on comfortableness and the feel of towel.(3) mode of surface splash-proofing sputtering metal.The fabric of the attached silver layer of such as plated surface.This The fabric face that mode obtains has obvious metal-like, is not particularly suited for towel.
In existing disclosed all kinds of relevant antibacterial towel patents, many employing natural bacteriostatic fibers, such as bamboo, fiber crops, chitin Prepare Deng fiber.Such as: disclosed in December in 2013 31 days, Application No. 02111974.0, invention entitled " natural antibacterial hair Towel " Chinese invention patent disclose the natural antibiotic face towel that a kind of terry loop layer is made up of bamboo fibre;On February 6th, 2008 is open , Application No. 200710121723.7, invention entitled " a kind of health-care antimicrobial towel pillowcase " Chinese invention patent open The antibacterial hair of the cotton fiber mixed yarn of flaxen fiber based on 40-55% and 35-50% hollow antibacterial polyster fibre and 5-15% Towel;Disclosed in 4 days March in 2015, Application No. CN201410640175.9, invention entitled " high-hygroscopicity antibacterial towel and Its processing technique " Chinese invention patent disclose a kind of antibacterial hair being made up of bamboo fibre, the ultra-fine conduct wet polyester of flaxen fiber etc. Towel;Disclosed in 29 days April in 2015, Application No. CN201410715895.7, in invention entitled " a kind of chopping towel " State's patent of invention discloses a kind of towel being provided bacteriostasis property by chitin;Disclosed in 8 days April in 2015, Application No. CN201410785992.3, the Chinese invention patent of invention entitled " a kind of composite antibacterial towel " disclose a kind of by chitin Or bamboo carbon fiber provides the MULTILAYER COMPOSITE antibacterial towel of anti-microbial property.But, due to bacteriostatic fibers self such as bamboo, fiber crops, chitins Anti-microbial property is poor, it is therefore desirable to add in a large number in fabric, and content is at least more than 30% grade, and this will largely effect on towel Comfortableness and feel.
Disclosed in December in 2014 10 days, Application No. CN201410421505.5, invention entitled " a kind of silver ion resists The production method of pili towel " Chinese invention patent disclose a kind of dyeing and finishing of antibacterial towel being made up of dyeing silver ion cotton yarn Method, is attached to antimicrobial silver auxiliary agent on towel by Final finishing.The shortcoming of the method is be difficult to durable and affect feel.
Additionally, a lot of utility model patents also report all kinds of antibacterial towel.Such as: disclosed in JIUYUE in 2011 7 days, Shen Number please disclose one for CN201120025967.7, the Chinese utility model patent of invention entitled " chitin bacteria-proof towel " Antimicrobial yarn and the towel of bamboo charcoal powder last layer it is rich on part yarn;Disclosed in 22 days April in 2015, Application No. CN201420697863.4, invention entitled " the environmental protection antibacterial towel that a kind of two-sided nothing is bleachinged and dyeing " Chinese utility model special Profit disclose levels be bafta layer, intermediate layer be the antibacterial towel of bamboo;Disclosed in 26 days November in 2014, Shen Please number be CN201420357106.2, the Chinese utility model patent of invention entitled " copper fiber wash resistant antibacterial towel " open A kind of copper fiber spiral shape is wrapped in the wash resistant antibacterial towel that the anti-bacterial fibre of cotton fiber outer surface is constituted.Among these, copper Fiber is green, appreciable impact fabric color;Chitin and bamboo carbon fiber must have certain content, and bamboo carbon fibre is black Color.
Relate to having of silver system antibacterial towel: disclosed in 20 days November in 2013, Application No. CN201320233232.2, The Chinese utility model patent of invention entitled " silver fibre antibacterial towel ";Disclosed in JIUYUE in 2015 23 days, Application No. CN201520350507.X, invention entitled " a kind of nano silver chitosan modified antibiotic fabric " Chinese utility model special Profit;Disclosed in December in 2015 16 days, Application No. CN201520350508.4, invention entitled " a kind of viscose nanometer silver is multiple The antibiotic fabric of preparaton " Chinese utility model patent.Electroplate fiber is argent, and anti-microbial property is weak, surface metal Sense is strong;It is antibacterial that other is Final finishing.
Relate to having of photo-catalytic antibacterial towel: as disclosed in December in 2015 16 days, Application No. CN201420208619.7, the Chinese utility model patent of invention entitled " antibacterial towel " disclose a kind of photo-catalytic antibacterial hair Towel, including fabric towel, anti oxidation layer and photocatalyst layer.Anti oxidation layer is sprayed on the surface of described fabric towel.Light touches Matchmaker's layer is sprayed on described anti oxidation layer.Wherein, described anti oxidation layer is a nanometer titanium dioxide silicon membrane layer.This utility model exists Strong catalytic degradation function can be produced under the effect of visible ray, effectively degrade the harmful gas in air, killed multiple Antibacterial, it is thus possible to oneself's sterilization.It addition, photocatalyst layer is attached on fabric towel by anti oxidation layer, protect hair well Towel fabric ground so that it is Oxidative demage effect will not be carried out by photocatalyst.Its shortcoming is: this antibacterial be also to pass through Final finishing Mode realizes, it is difficult to durable and affect feel.
Obviously, in disclosed data, also fail to find a kind of antimicrobial mode, it is possible to meet the upper of towel cloth simultaneously State 3 requirements.
Therefore it provides a kind of can the controlled antibacterial towel of above-mentioned requirements simultaneously meeting towel cloth and preparation method thereof Just become the technical barrier that this technical field is badly in need of solving.
Summary of the invention
An object of the present invention be to provide a kind of have concurrently the universal performance of towel cloth, controlled, there is durable antibiotic The towel of performance.
For achieving the above object, the present invention takes techniques below scheme:
A kind of controlled antibacterial towel containing silver chelating acrylic fiber, it is characterised in that: the yarn of described controlled antibacterial towel Line is silver chelating acrylic fiber and the scribbled of conventional fibre composition of 0.4-3 weight %.
A kind of optimal technical scheme, it is characterised in that: the content of described silver chelating acrylic fiber is 0.4-1.5 weight %.
A kind of optimal technical scheme, it is characterised in that: described scribbled, as plush yarn, is consolidated on wire gauze.
A kind of optimal technical scheme, it is characterised in that: described scribbled is simultaneously as plush yarn and wire gauze.
A kind of optimal technical scheme, it is characterised in that: described silver chelating acrylic fiber refers to the nitrogen-atoms in acrylic fiber With the fiber that oxygen atom and silver ion form chelate ring, described acrylic fiber is acrylic composite fiber or blended fiber, and chelating Silver content be 5-20 weight %, preferably 5-15 weight %.
A kind of optimal technical scheme, it is characterised in that: described conventional fibre be cotton, fiber crops, viscose, tencel, acrylon, terylene or All fibers that can be used for towel cloth such as polypropylene, further preferred cotton fiber.
A kind of optimal technical scheme, it is characterised in that: the silver ion content before the washing of described controlled antibacterial towel exists More than 200ppm;After washing 50 times, silver ion content is at more than 50ppm.
A kind of optimal technical scheme, it is characterised in that: described controlled antibacterial towel is to gram positive bacteria, negative bacterium and true Bacterium has the bacteriostasis rate of up to more than 90%.
A kind of optimal technical scheme, it is characterised in that: the representative strain of described gram positive bacteria, negative bacterium and fungus Correspond to staphylococcus aureus, escherichia coli and Candida albicans respectively.
It is a further object of the present invention to provide the preparation method of a kind of above-mentioned towel.
The above-mentioned purpose of the present invention reaches by the following technical programs:
A kind of controlled antibacterial towel containing silver chelating acrylic fiber, its preparation process is as follows:
(1) preparation of scribbled: silver is chelated acrylic fiber pre-drawing on carding machine together with conventional fibre lap Feeding, makes the comb and parallel cotton fibers prior to spinning carded sliver that silver chelating acrylic fiber mixes with conventional fibre;Further, with conventional fibre/silver chelating acrylon The mixing comb and parallel cotton fibers prior to spinning carded sliver of fiber is arranged in pairs or groups on drawing frame in proportion with the conventional fibre comb and parallel cotton fibers prior to spinning carded sliver, makes after twice or three road draftings Silver chelating acrylon obtain full and uniform mixing in conventional fibre, obtain scribbled, silver chelating acrylon in described scribbled The content of fiber is 0.4-3 weight %;
(2) prepared by grey cloth: using conventional fibre as ground warp, and scribbled described in step (1) is plush yarn or simultaneously As ground warp and plush yarn, weave, obtain towel grey cloth;
(3) dyeing and finishing technology: first, carries out desizing with amylase, the most in the basic conditions, uses chelating agen, hydrogen peroxide (concentration 27.5%), hydrogen peroxide stabilizer, the auxiliary agent such as refining agent carries out boiling-off bleaching, and concrete technology is as follows: chelating agen DM-8108 (Shandong dolantin fine chemistry industry limited company): 1-2g/l, (mass ratio of Zibo gold peace Chemical Manufacture is hydrogen peroxide 27.5%) consumption 3g/l-12g/l, hydrogen peroxide stabilizer TF-122 (Zhejiang Province Chuanhua Co., Ltd's production): 0.3-1g/l, Na2CO3 (purity of Tangshan three friend's Chemical Manufacture is 99.9%): 2-15g/l, pH value 10-12;, highly concentrated refining agent TF-125 (Zhejiang Jiang Chuanhua limited company produces): 0.5-2g/l, secondly, after thermal washing, regulation pH value is about 7.0 (6.5-7.5), afterwards Under the conditions of the deoxygenation enzyme of 0.001-0.01g/l, carry out deoxidation treatment;Then, under the weak basic condition that pH is 10-13, enter Row dyeing;Finally, it is between 4.0-6.5 that the glacial acetic acid with 80% regulates pH value, throws with the enzyme of 0.05%-0.5% After optical processing, carry out soft finish, it is thus achieved that finished product.
A kind of optimal technical scheme, it is characterised in that: the content of the acrylic fiber of silver chelating described in described step (1) is 0.4-1.5 weight %;
A kind of optimal technical scheme, it is characterised in that: the acrylic fiber of silver chelating described in described step (1) refers to acrylon After fiber is first carried out together with amination treatment so that nitrogen-atoms and oxygen atom in structure form the fiber of chelate ring, bag with silver ion Include acrylon to be combined or blended fiber, and the silver content of chelating is 5-20 weight %, preferably 5-15 weight %.
A kind of optimal technical scheme, it is characterised in that: conventional fibre described in described step (1) is cotton, fiber crops, viscose, sky All fibers that can be used for towel cloth such as silk, acrylon, terylene or polypropylene, further preferred cotton fiber.
A kind of optimal technical scheme, it is characterised in that: the pH value during bleaching of boiling-off described in described step (3) is 10.5- 11.5。
A kind of optimal technical scheme, it is characterised in that: chelating agen described in described step (3) is DM-8108 (Shandong dolantin Fine chemistry industry limited company): 1-2g/l, hydrogen peroxide stabilizer TF-122 (Zhejiang Province Chuanhua Co., Ltd's production): 0.5-1g/l, highly concentrated refining agent TF-125 (Zhejiang Province Chuanhua Co., Ltd's production): 0.5-2g/l;
A kind of optimal technical scheme, it is characterised in that: described bleaching process is alkali oxygen bleaching or multi-functional combined bleach (institute State alkali oxygen bleaching to refer to bleach with alkali liquor and oxidant such as hydrogen peroxide, peroxide, this method environmental protection, safety, multi-functional Combined bleach is a kind of short route bleaching just risen in recent years, do not use or use minimal amount of hydrogen peroxide or Alkali liquor i.e. can reach the effect of bleaching).
A kind of optimal technical scheme, it is characterised in that: boiling-off described in described step (3) is bleached, select alkali oxygen bleaching and/ Or alkali oxygen is combined a step boiling and bleaching process and bleaches above-mentioned towel cloth.
A kind of optimal technical scheme, it is characterised in that: enzyme described in described step (3) is the fiber that Novi's letter produces Element polishing enzyme 8000L, preferably requires wide in range, at the enzyme of 4.5-6.5 to pH value.
A kind of optimal technical scheme, it is characterised in that: deoxygenation enzyme SD Catalase described in described step (3) is Shanghai Dai Di industry development company limited produces.
Advantages of the present invention:
(1) have employed silver chelating acrylic fiber trace and add towel cloth, be simultaneously achieved and have towel cloth concurrently routinely Can require and controlled, lasting antibacterial effect, efficiently solve in existing antimicrobial technology, the anti-bacterial fibre content Gao Ying existed Ring traditional performance, the most durable, the shortcoming that is difficult to control to antibacterial action.
(2) soft one-bath DSB Synchronos method bleaching process and weak acid glossing are used, it is to avoid silver-colored chelating acrylon Fiber during Final finishing silver loss, improve this fiber utilization rate and washing before and after silver content.
(3) unique silver-colored release performance so that the antibacterial towel of argentiferous chelating acrylic fiber, in a humidity environment, releases Put micro silver ion, there is aggressive antibacterial action;Meanwhile, when using in dry environments, hand over owing to there is not ion Change, there is no silver release, it is to avoid infringement to normal skin flora.There is more healthy antimicrobial mode.
(4) in washing process, if towel cloth is washed together with other medicated clothing, additionally it is possible to other medicated clothing is played same The bactericidal action of sample.
The controlled antibacterial towel containing silver chelating acrylic fiber that the present invention provides uses trace to add the silver-colored chela of medical grade Condensating fiber, combine the technology path of specific dyeing and finishing technology, under the requirement not affecting towel traditional performance, it is thus achieved that having can Control, lasting silver release and the antibacterial towel of anti-microbial property.
Below by detailed description of the invention, the present invention will be further described, but is not meant to scope Restriction.Unless stated otherwise, the raw materials used raw material being this area commercially in the present invention, technique used and setting For being this area common process and equipment.
Detailed description of the invention
Embodiment 1:
The silver chelating acrylic fiber of 0.5 weight % and the long-staple cotton fiber scribbled of 99.5 weight %, as plush yarn, Consolidate on purified cotton yarns for the substrate fabric of ground warp, form towel grey cloth.Wherein, the silver content of silver chelating acrylic fiber is 5 weight %.
A kind of controlled antibacterial towel containing silver chelating acrylic fiber, its preparation process is as follows:
(1) preparation of scribbled: by commercially available silver chelating acrylic fiber pre-drawing on carding machine with conventional commercial fiber Lap feeds together, makes the comb and parallel cotton fibers prior to spinning carded sliver that silver chelating acrylic fiber mixes with conventional fibre;Further, with conventional fibre/silver The mixing comb and parallel cotton fibers prior to spinning carded sliver of chelating acrylic fiber is arranged in pairs or groups on drawing frame with the conventional fibre comb and parallel cotton fibers prior to spinning carded sliver, in proportion through twice or three roads Make silver chelating acrylon obtain full and uniform mixing in conventional fibre after drafting, obtain scribbled, silver in described scribbled The content of chelating acrylic fiber is 0.5 weight %;
(2) prepared by grey cloth: using conventional fibre as ground warp, and scribbled described in step (1) is plush yarn or simultaneously As ground warp and plush yarn, weave, obtain towel grey cloth;
(3) dyeing and finishing technology:
When pH=10,0.5g/l desizing enzyme (Novi's letter alpha amylase), at 70 DEG C, desizing processes 30min;Then, 0.5g/ L chelating agen DM-8108 (Shandong dolantin fine chemistry industry limited company), 5g/l hydrogen peroxide (concentration 27.5%), 5g/l soda, 0.3g/l hydrogen peroxide stabilizer TF-122 (Zhejiang Province Chuanhua Co., Ltd), the highly concentrated refining agent TF-125 (Zhejiang of 1.5g/l Development of evil in febrile disease limited company), bleach 60min at 98 DEG C;80 DEG C of hot wash 15min, 0.5g/l-1g/l glacial acetic acid regulation pH value To 6.5,50 DEG C process 15min, add 0.005g/l deoxygenation enzyme SD Catalase (Shanghai Daidi Industrial Development Co., Ltd.), 50 DEG C process 10min;Then specific color is dyed;0.5g/l-1g/l glacial acetic acid neutralizes further, 50 DEG C of process 15min, and 80 DEG C hot wash 15min, room temperature washing 15min, add 0.5g/l glacial acetic acid, regulation pH value to 4.6-5.4, use 0.18% The cellulose polishing enzyme 8000L that Novi's letter produces, 55 DEG C process 30min.Add 3g/l anionic softening agent SN-308 and (like profit Chemical production), 35 DEG C process 30min, finally dry 60min at 98 DEG C, it is thus achieved that finished product towel.Strict pH value controls and special Fixed dyeing and finishing auxiliaries and technique, be to produce loss in order to avoid the silver ion generation ion in dyeing and finishing process exchanges.
The towel cloth thus prepared, its silver content is 204ppm, and after washing 50 times, silver content is 140ppm.After meeting water, 1st day silver release 2.67ppm, the 2nd day silver release 0.58ppm;4th day silver release 0.71ppm.
Control sample: common textile knop cloth.
The towel cloth of preparation, after washing 50 times, its anti-microbial property such as table 1 below:
Table 1
Embodiment 2:
The silver chelating acrylic fiber of 1 weight % and the long-staple cotton fiber of 80 weight %, the flax fiber blending yarn of 19 weight % Line, constitutes plush yarn and wire gauze, is prepared as towel grey cloth.Wherein, the silver content of silver chelating acrylic fiber is 10 weight %.
A kind of controlled antibacterial towel containing silver chelating acrylic fiber, its preparation process is as follows:
(1) preparation of scribbled: commercially available silver is chelated acrylic fiber pre-drawing normal with commercially available long-staple cotton on carding machine Rule fiber lap feeds together, makes silver chelating acrylic fiber and the long-staple cotton fiber mixing comb and parallel cotton fibers prior to spinning carded sliver;Further, mix with this The comb and parallel cotton fibers prior to spinning carded sliver is arranged in pairs or groups, in proportion through twice or three road draftings with the flaxen fiber mixing lap conventional fibre comb and parallel cotton fibers prior to spinning carded sliver on drawing frame After make silver chelating acrylon in conventional fibre, obtain full and uniform mixing, obtain scribbled, in described scribbled silver chelating The content of acrylic fiber is 1 weight %;
(2) prepared by grey cloth: using conventional fibre as ground warp, and scribbled described in step (1) is plush yarn or simultaneously As ground warp and plush yarn, weave, obtain towel grey cloth;
(3) dyeing and finishing technology:
When pH=10,0.5g/l desizing enzyme (Novi's letter alpha amylase), at 70 DEG C, desizing processes 30min;Then, 0.5g/ L chelating agen DM-8108 (Shandong dolantin fine chemistry industry limited company), 5g/l hydrogen peroxide (concentration 27.5%), 5g/l soda, 0.3g/l hydrogen peroxide stabilizer TF-122 (Zhejiang Province Chuanhua Co., Ltd), the highly concentrated refining agent TF-125 (Zhejiang of 1.5g/l Development of evil in febrile disease limited company), bleach 60min at 98 DEG C;80 DEG C of hot wash 15min, 0.5g/l-1g/l glacial acetic acid regulation pH value To 7.5,50 DEG C process 15min, add 0.005g/l deoxygenation enzyme SD Catalase (Shanghai Daidi Industrial Development Co., Ltd.), 50 DEG C process 10min;Then specific color is dyed;0.5g/l-1g/l glacial acetic acid neutralizes further, 50 DEG C of process 15min, and 80 DEG C hot wash 15min, room temperature washing 15min, add 0.5g/l glacial acetic acid, regulation pH value to 4.6-5.4, use 0.18% The cellulose polishing enzyme 8000L that Novi's letter produces, 55 DEG C process 30min.Add 3g/l anionic softening agent SN-308 and (like profit Chemical production), 35 DEG C process 30min, finally dry 60min at 98 DEG C, it is thus achieved that finished product towel.
The towel cloth of preparation, its silver content is 302ppm, and after washing 50 times, silver content is 181ppm.After meeting water, the 1st It silver release 2.2ppm, the 2nd day silver release 1.9ppm;4th day silver release 1.9ppm.
The towel cloth of preparation, after washing 50 times, its anti-microbial property such as table 2 below:
Control sample: common textile knop cloth.
Table 2
Embodiment 3:
The silver chelating acrylic fiber of 1.5 weight % and the long-staple cotton fiber of 70 weight %, the polypropylene fiber of 28.5 weight % Scribbled, constitutes plush yarn and wire gauze, is prepared as towel grey cloth.Wherein, the silver content of silver chelating acrylic fiber is 15 weights Amount %.
A kind of controlled antibacterial towel containing silver chelating acrylic fiber, its preparation process is as follows:
(1) preparation of scribbled: commercially available silver is chelated acrylic fiber pre-drawing fine with commercially available long-staple cotton on carding machine Vinylon and cotton blend volume feeds together, makes silver chelating acrylic fiber/long-staple cotton fiber mixing comb and parallel cotton fibers prior to spinning carded sliver;Further, comb and parallel cotton fibers prior to spinning is mixed with this The carded sliver is arranged in pairs or groups on drawing frame in proportion with the polypropylene fiber comb and parallel cotton fibers prior to spinning carded sliver, makes silver chelating acrylon often after twice or three road draftings Obtaining full and uniform mixing in rule fiber, obtain scribbled, in described scribbled, the content of silver chelating acrylic fiber is 1.5 Weight %;
(2) prepared by grey cloth: using conventional fibre as ground warp, and scribbled described in step (1) is plush yarn or simultaneously As ground warp and plush yarn, weave, obtain towel grey cloth;
(3) dyeing and finishing technology:
When pH=10,0.5g/l desizing enzyme (Novi's letter alpha amylase), at 70 DEG C, desizing processes 30min;Then, 0.5g/ L chelating agen DM-8108 (Shandong dolantin fine chemistry industry limited company), 5g/l hydrogen peroxide (concentration 27.5%), 5g/l soda, 0.3g/l hydrogen peroxide stabilizer TF-122 (Zhejiang Province Chuanhua Co., Ltd), the highly concentrated refining agent TF-125 (Zhejiang of 1.5g/l Development of evil in febrile disease limited company), bleach 60min at 98 DEG C;80 DEG C of hot wash 15min, 0.5g/l-1g/l glacial acetic acid regulation pH value To 7.0,50 DEG C process 15min, add 0.005g/l deoxygenation enzyme SD Catalase (Shanghai Daidi Industrial Development Co., Ltd.), 50 DEG C process 10min;Then specific color is dyed;0.5g/l-1g/l glacial acetic acid neutralizes further, 50 DEG C of process 15min, and 80 DEG C hot wash 15min, room temperature washing 15min, add 0.5g/l glacial acetic acid, regulation pH value to 4.6-5.4, use 0.18% The cellulose polishing enzyme 8000L that Novi's letter produces, 55 DEG C process 30min.Add 3g/l anionic softening agent SN-308 and (like profit Chemical production), 35 DEG C process 30min, finally dry 60min at 98 DEG C, it is thus achieved that finished product towel.
The towel cloth of preparation, its silver content is 360ppm, and after washing 50 times, silver content is 245ppm.After meeting water, the 1st It silver release 2.0ppm, the 2nd day silver release 1.8ppm;4th day silver release 1.7ppm.
The towel cloth of preparation, after washing 50 times, its anti-microbial property such as table 3 below:
Control sample: common textile knop cloth.
Table 3
Performance test
Anti-microbial property: according to GB/T 20944.3-2008 " the evaluation third portion of antibacterial textile performance: succusion ", surveys Ensaying Staphylococcus aureus (ATCC6538), Candida albicans (ACTT 10231), three kinds of strains of escherichia coli (ATCC25922) Bacteriostasis rate.
Scourability:
Silver content and silver release: with the atomic spetrophtometry instrument method test of regulation in Chinese Pharmacopoeia.

Claims (10)

1. the controlled antibacterial towel containing silver chelating acrylic fiber, it is characterised in that: the yarn of described controlled antibacterial towel Silver chelating acrylic fiber and the scribbled of conventional fibre composition for 0.4-3 weight %.
Controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 1, it is characterised in that: described silver chela The content closing acrylic fiber is 0.4-1.5 weight %.
Controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 2, it is characterised in that: described blending Yarn, as plush yarn, is consolidated on wire gauze.
Controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 3, it is characterised in that: described blending Yarn is simultaneously as plush yarn and wire gauze.
Controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 4, it is characterised in that: described silver chela Close acrylic fiber and refer to that the nitrogen-atoms in acrylic fiber and oxygen atom form the fiber of chelate ring, described acrylic fiber with silver ion For acrylic composite fiber or blended fiber, and the silver content of chelating is 5-20 weight %, preferably 5-15 weight %.
Controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 1, it is characterised in that: described routine Fiber is cotton, fiber crops, viscose, tencel, acrylon, terylene or polypropylene.
Controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 1, it is characterised in that: described controlled Silver ion content before antibacterial towel washing is at more than 200ppm;After washing 50 times, silver ion content is at more than 50ppm;Described Controlled antibacterial towel has the bacteriostasis rate of up to more than 90% to gram positive bacteria, negative bacterium and fungus.
8. the controlled antibacterial towel containing silver chelating acrylic fiber, its preparation process is as follows:
(1) preparation of scribbled: silver is chelated acrylic fiber pre-drawing and feeds together with conventional fibre lap after carding machine, Make the mixing comb and parallel cotton fibers prior to spinning carded sliver that silver chelating acrylic fiber is mixed with conventional fibre;Further with conventional fibre/silver chelating nitrile The synthetic fibre fiber mixing comb and parallel cotton fibers prior to spinning carded sliver is arranged in pairs or groups on drawing frame in proportion with the conventional fibre comb and parallel cotton fibers prior to spinning carded sliver, makes after twice or three road draftings Silver chelating acrylon obtain full and uniform mixing in conventional fibre, obtain scribbled, silver chelating acrylon in described scribbled The content of fiber is 0.4-3 weight %;
(2) prepared by grey cloth: using conventional fibre as ground warp, scribbled described in step (1) be plush yarn or simultaneously as Ground warp and plush yarn, weave, obtain towel grey cloth;
(3) dyeing and finishing technology: first, carries out desizing with amylase, the most in the basic conditions, uses chelating agen, hydrogen peroxide, dioxygen Water stabilizer, the auxiliary agent such as refining agent carries out boiling-off bleaching, hydrogen peroxide consumption 3g/l-12g/l, pH value 10-12;Secondly, after thermal washing, Regulation pH value is 6.5-7.5, afterwards under the conditions of the deoxygenase of 0.001-0.01g/l, carries out deoxidation treatment;Then, at pH it is Under the weak basic condition of 10-13, dye;Finally, it is between 4.0-6.5 that the glacial acetic acid with 80% regulates pH value, uses After the enzyme of 0.05%-0.5% is processed by shot blasting, carry out soft finish, it is thus achieved that finished product.
The preparation method of the controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 8, its feature exists In: the content of the acrylic fiber of silver chelating described in described step (1) is 0.4-1.5 weight %.
The preparation method of the controlled antibacterial towel containing silver chelating acrylic fiber the most according to claim 8, its feature exists In: after the acrylic fiber of silver chelating described in described step (1) refers to first carry out together with amination treatment acrylic fiber so that in structure Nitrogen-atoms and oxygen atom and silver ion form the fiber of chelate ring, the compound or blended fiber including acrylon, and the silver of chelating contain Amount is 5-20 weight %, preferably 5-15 weight %;Conventional fibre described in described step (1) is cotton, fiber crops, viscose, tencel, nitrile All fibers that can be used for towel cloth such as synthetic fibre, terylene or polypropylene, further preferred cotton fiber;Described step is boiled described in (3) PH value when scouring and bleaching is white is 10.5-11.5;Described in described step (3), chelating agen is DM-8108;Described bleaching process is alkali oxygen Bleaching or multi-functional combined bleach;Described boiling-off bleaching is combined a step boiling and bleaching process for alkali oxygen bleaching and/or alkali oxygen;Described biology Enzyme is that cellulose polishes enzyme 8000L;Described deoxygenation enzyme is SD Catalase.
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CN110923920A (en) * 2019-11-28 2020-03-27 广东易通纺织科技有限公司 Moisture-absorbing and heating light and warm double-faced napping fabric and preparation process thereof

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