WO2018082454A1 - 屏障织物制造方法及屏障织物 - Google Patents
屏障织物制造方法及屏障织物 Download PDFInfo
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- WO2018082454A1 WO2018082454A1 PCT/CN2017/107009 CN2017107009W WO2018082454A1 WO 2018082454 A1 WO2018082454 A1 WO 2018082454A1 CN 2017107009 W CN2017107009 W CN 2017107009W WO 2018082454 A1 WO2018082454 A1 WO 2018082454A1
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- Prior art keywords
- fabric
- concentration
- barrier
- polyethylene glycol
- environment
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- 239000004744 fabric Substances 0.000 title claims abstract description 94
- 230000004888 barrier function Effects 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 34
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 16
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 12
- ZEYUSQVGRCPBPG-UHFFFAOYSA-N 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one Chemical compound OCN1C(O)C(O)N(CO)C1=O ZEYUSQVGRCPBPG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012046 mixed solvent Substances 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 235000011147 magnesium chloride Nutrition 0.000 claims abstract description 6
- 229920000742 Cotton Polymers 0.000 claims description 42
- -1 Polyhexamethylene chloride Polymers 0.000 claims description 7
- 229920003043 Cellulose fiber Polymers 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 14
- 230000003746 surface roughness Effects 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract 3
- VAZJLPXFVQHDFB-UHFFFAOYSA-N 1-(diaminomethylidene)-2-hexylguanidine Polymers CCCCCCN=C(N)N=C(N)N VAZJLPXFVQHDFB-UHFFFAOYSA-N 0.000 abstract 1
- 229920002413 Polyhexanide Polymers 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 239000004753 textile Substances 0.000 description 13
- 241000894006 Bacteria Species 0.000 description 11
- 239000002904 solvent Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 238000011282 treatment Methods 0.000 description 7
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 4
- 239000000645 desinfectant Substances 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 230000002599 biostatic effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000845 anti-microbial effect Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008512 biological response Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- DQLATGHUWYMOKM-UHFFFAOYSA-L cisplatin Chemical compound N[Pt](N)(Cl)Cl DQLATGHUWYMOKM-UHFFFAOYSA-L 0.000 description 1
- 229960004316 cisplatin Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 231100000263 cytotoxicity test Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating 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 nitrogen
- D06M13/372—Treating 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 nitrogen containing etherified or esterified hydroxy groups ; Polyethers of low molecular weight
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating 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
- D06M11/07—Treating 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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating 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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic Table
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating 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
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating 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 nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Definitions
- the present invention relates to the field of textile manufacturing technology, and more particularly to a barrier fabric manufacturing method and a barrier fabric.
- biofouling includes (1) adhesion and accumulation of biological particles (proteins, saccharides, etc.), (2) accumulation and growth of microorganisms, and formation of "biofilm” on the surface of the clothes.
- biological particles proteins, saccharides, etc.
- microorganisms and formation of "biofilm” on the surface of the clothes.
- the first is a biological disinfectant method (destroying microorganisms) and the second is a biostatic method (preventing the growth of microorganisms).
- the disinfectant used in the biological disinfectant method not only kills harmful microorganisms, but also kills harmless microorganisms, and also easily causes mutations of pathogenic bacteria, which increases the risk of harm to the human body.
- the present invention uses a biostatic method to greatly improve the surface properties of the textile, including surface free energy and surface roughness, effectively preventing the adhesion and growth of harmful microorganisms.
- the protection of textiles in the environment of medicine and health care has played an important role in helping clean and clean textiles.
- the technical problem to be solved by the present invention is to provide a biostatic-based barrier fabric manufacturing method for the defects of the prior art biological disinfectant method, which makes the surface properties of the textile, including surface free energy and surface roughness The degree has been greatly improved, and it can effectively prevent the adhesion and growth of harmful microorganisms on the surface of the clothes, and plays a vital role in helping the clothes to be clean and clean in the environment of biomedicine and health care.
- the technical solution adopted by the present invention to solve the technical problem thereof is to provide a barrier fabric manufacturing method, and the method comprises the following steps:
- the fabric is impregnated with a concentration of 8% to 12% of aminated polyethylene glycol, a concentration of 8% to 12% of dimethylol dihydroxyethylene urea (DMDHEU), a concentration of 5% to 10% Polyhexamethylene chloride and a mixed solvent of 1.5% to 2.5% magnesium dichloride;
- DMDHEU dimethylol dihydroxyethylene urea
- the fabric is a cotton fabric or a cellulosic fiber fabric.
- the aminated polyethylene glycol has an average molecular weight of from 380 to 420.
- the present invention also provides a barrier fabric that is manufactured using the barrier fabric manufacturing method.
- the invention has the beneficial effects that the manufacturing method greatly improves the surface properties of the textile, including the surface free energy and the surface roughness, and can effectively prevent the adhesion and growth of harmful microorganisms on the surface of the laundry, in biomedicine and It is vital to help keep your clothes clean and clean in a healthy and medical environment.
- Figure 1 is a flow chart of a method of manufacturing a barrier fabric of the present invention
- Figure 2 is a comparison diagram of the surface of the fabric under a scanning electron microscope before and after treatment with an aminated polyethylene glycol solvent
- Figure 3 is a schematic view showing the formation of a hydrophilic layer on the surface of a fabric by polyethylene glycol
- Figure 4 is a comparison of FTIR infrared spectra of fabrics before and after treatment with an aminated polyethylene glycol solvent.
- FIG. 1 is a flow chart of a method of fabricating a barrier fabric of the present invention. The method includes the following steps:
- the fabric is impregnated with a concentration of 8% to 12% of aminated polyethylene glycol, a concentration of 8% to 12% of dimethylol dihydroxyethylene urea (DMDHEU), a concentration of 5% to 10% Polyhexamethylene chloride and a mixed solvent of 1.5% to 2.5% magnesium dichloride;
- DMDHEU dimethylol dihydroxyethylene urea
- the fabric can be a cotton fabric or a cellulosic fabric.
- the control of the liquid absorption rate of the fabric is achieved by padding.
- DMDHEU dimethyl ether dihydroxyethylene urea
- polyhexamethylene chloride having a concentration of 5% to 10%
- magnesium dichloride having a concentration of 1.5% to 2.5%.
- cross-linking aid causes polyethylene glycol to form a hydrophilic layer on the surface of the fabric and adhere to the surface of the fabric.
- Polyethylene glycol is a polyether compound and has a wide range of applications from industrial manufacturing to pharmaceuticals.
- the molecular structural formula of polyethylene glycol is H-(O-CH2-CH2)n-OH.
- Polyethylene glycol is also a non-toxic, water soluble polymer. When polyethylene glycol is attached to the surface of different materials, it proves to have an anti-pollution function. Water and properties of polyethylene glycol, high density molecular structure, structural flexibility and molecular chain mobility It can effectively prevent the adhesion of proteins and microorganisms on the surface of clothing.
- Aminoated polyethylene glycol is used in the process, and the relative molecular weight is between 380 and 420. In order to find the optimum conditions for treating the surface of cotton fabric with aminated polyethylene glycol, Table 1 indicates the conditions used in the experimental tests.
- the conditions for optimal treatment can be summarized as (1) a polyethylene glycol concentration of 10%, (2) a liquid absorption rate of 70%, (3) a baking temperature of 160 ° C, and (4) baking.
- the training time is 45 seconds.
- Figure 2 is a comparison of the surface of a cotton fabric under a scanning electron microscope before and after treatment with an aminated polyethylene glycol solvent.
- the surface of the cotton fabric treated by the manufacturing method in the comparison chart was brighter in color, and it was confirmed that the polyethylene glycol was successfully attached to the surface of the cotton fabric.
- Figure 4 is a comparison of FTIR infrared spectra of cotton fabrics before and after treatment with an aminated polyethylene glycol solvent.
- the infrared spectrum characteristic curve of the cotton fabric treated with the aminated polyethylene glycol solvent four The horn symbol is marked next to the curve to distinguish the infrared spectral characteristics of the untreated cotton fabric.
- the infrared spectrum demonstrates that polyethylene glycol has been successfully attached to the surface of the cotton fabric after the manufacturing process.
- the absorption peak (valley) characteristic at 3300 cm -1 indicates that the cotton fabric contains hydroxyl-OH
- the absorption peak (valley) at 2940 cm -1 indicates that the cotton fabric contains an aliphatic CH and an absorption peak at 1700 cm -1 (valley).
- characterized illustrates cotton containing C O
- the absorbent peak (valley) 1380cm -1 features described cotton containing CN
- an absorbent peak (valley) 1100cm -1 features described cotton fabric containing -CH 2 OH.
- Table 3 shows the results of the performance test of the cotton fabric treated with the aminated polyethylene glycol solvent, which proves that the treated cotton fabric can meet the requirements of commercial clothing.
- the antibacterial properties of cotton fabrics were based on the AATCC 100 and AATCC 147 test methods developed by the American Society of Textile Chemists and Dyers.
- the spray test (AATCC 22) was used to test the barrier properties of cotton fabric surfaces for liquids.
- the air permeability test of cotton fabrics was tested using the BS EN ISO 9237 method.
- the tensile strength of cotton fabrics is derived from the ASTM D5034 test method.
- the contact angle is obtained by testing the humidity and liquid diffusion of the cotton fabric by the contact angle tester.
- Table 4 shows the mechanical properties of the treated cotton fabric at low strength.
- Figure 3 is a schematic illustration of the formation of a hydrophilic layer on the surface of a fabric by polyethylene glycol.
- DMDHEU dimethyl ether dihydroxyethylene urea
- the cross-linking aid 3 helps the polyethylene glycol 2 to form a hydrophilic layer on the surface 1 of the cotton fabric, so that the polyethylene glycol 2 adheres to the surface 1 of the cotton fabric.
- the amino groups in polyethylene glycol help prevent the growth of bacteria, while the -(O-CH2-CH2)-chain in polyethylene glycol has surface properties that prevent bacteria from growing on the surface of cotton garments.
- the cotton fabric treated with the aminated polyethylene glycol solvent was subjected to a washing treatment under the following conditions:
- Table 5 shows the cotton fabric treated with the aminated polyethylene glycol solvent and the untreated according to the AATCC 147 antimicrobial performance test. The cotton fabric exhibited antibacterial properties during the test, and the cotton fabric was tested and compared before and after washing.
- Table 6 shows the antibacterial properties of cotton fabrics and untreated cotton fabrics treated with aminated polyethylene glycol solvent based on AATCC 100 antibacterial performance test, while also on cotton fabric before washing and washing After the test comparison.
- Table 7 shows the biological response of cotton fabrics obtained by measuring the concentration of CDDP cisplatin by a cytotoxicity test.
- Table 8 shows the results of antimicrobial testing of cotton fabrics treated in a hospital setting room environment.
- Four groups of nurses and patients participated in the experiment, and all nurses and patients were wearing cotton-woven clothing treated with an aminated polyethylene glycol solvent.
- a bacterial collection tray was placed at each of the five locations of the clinic as monitoring and control of the bacterial environment of the clinic.
- five sets of bacteria collection trays of each group of nurses and patient treatment rooms were placed in a 37 ° C culture chamber for 48 hours, and then the number of bacteria growing in the collection tray was counted.
- a 2x2 cm sample was cut in six different areas of the cotton garment worn by the nurse and the patient, and then placed in a 37 ° C culture chamber for 48 hours, and then the number of bacteria growing in the sample was counted.
- a barrier fabric which can effectively prevent the adhesion and growth of bacteria and harmful microorganisms on the surface of the laundry can be produced by the above-described barrier fabric manufacturing method.
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Abstract
一种屏障织物及其制造方法，该方法包括以下步骤：S1把织物浸润在浓度为8％～12％的氨基化聚乙二醇、浓度为8％～12％的二羟甲基二羟基亚乙基脲(DMDHEU)、浓度为5％～10％的聚已亚甲基盐酸和浓度为1.5％～2.5％的二氯化镁的混合溶剂中；S2当织物的吸液率达到60％～80％时，把织物从混合溶剂中取出，并将织物放置在80～100摄氏度的干燥环境中高温干燥4～6分钟；S3将织物从高温干燥环境中取出后，把织物放置在150～170摄氏度的高温环境中烘培30～60秒后取出，在常温中冷却定形。该方法使棉纺织物表面的特性，包括表面自由能和表面粗糙度，得到了极大的改善，能够有效的阻止有害微生物在衣物表面的沾黏和生长，对在生物医药及健康医疗的环境中帮助衣物保持干净清洁起到至关重要的作用。
Description
本发明涉及纺织品制造技术领域，更具体地说，涉及一种屏障织物制造方法及屏障织物。
生物医药领域工作人员的衣服不可避免的会粘附空气传播的不同的生物颗粒和微生物，并将导致生物污损。生物污损的过程包括(1)生物颗粒(蛋白质、糖水化物等)的粘附及堆积，(2)微生物的堆积和增长，并在衣物表面形成“生物膜”。近期的研究发现各种不同类型的医学感染和事故也许都和生物膜上的传染性微生物有关系。因此，针对医疗健康行业的工作人员设计并研发一种阻止微生物和细菌在衣物上堆积并生长的屏障织物就显得尤为重要。
针对于阻止纺织物上的生物污染和微生物感染，传统常规的屏障方法是用复合物来消灭或阻止微生物的生长。近年来针对微生物感染的对策是基于纺织物材料表面和用户身体体液及体液微生物相互接触的了解发展而来，因此防止生物污染最方便的方法就是介入早期生物细菌在纺织物上的沾黏，通过改变纺织物表面特性(包括表面自由能和表面粗糙度)来阻止微生物污染在纺织物上的发展。
总体而言，有两种主要的屏障方法用于阻止微生物在纺织物表面的生长，第一种是生物消毒剂方法(摧毁微生物)，第二种是生物静力学方法(阻止微生物的生长)。生物消毒剂方法中使用的消毒剂不仅会杀灭有害微生物，还会杀灭无害的微生物，另外还容易导致致病菌的突变，具有加重对人体危害的风险。
本发明使用了生物静力学方法使纺织物表面特性，包括表面自由能和表面粗糙度，得到了极大的改善，有效的阻止了有害微生物的沾黏和生长，对在生
物医药及健康医疗的环境中的帮助纺织物保持干净清洁起到了重要的帮助作用。
发明内容
本发明要解决的技术问题在于，针对现有技术的生物消毒剂方法的缺陷，提供一种基于生物静力学的屏障织物制造方法，该方法使纺织物表面的特性，包括表面自由能和表面粗糙度，得到了极大的改善，能够有效的阻止有害微生物在衣物表面的沾黏和生长，对在生物医药及健康医疗的环境中帮助衣物保持干净清洁起到至关重要的作用。
本发明解决其技术问题所采用的技术方案是：提供一种屏障织物制造方法，所述方法包括以下步骤：
S1：把织物浸润在浓度为8％～12％的氨基化聚乙二醇、浓度为8％～12％的二羟甲基二羟基亚乙基脲(DMDHEU)、浓度为5％～10％的聚己亚甲基盐酸和浓度为1.5％～2.5％的二氯化镁的混合溶剂中；
S2：当织物的吸液率达到60％～80％时，把织物从混合溶剂中取出，并将织物放置在80～100摄氏度的干燥环境中高温干燥4～6分钟；
S3：将织物从高温干燥环境中取出后，把织物放置在150～170摄氏度的高温环境中烘培30～60秒后取出，在常温中冷却定形。
优选地，所述织物是棉织物或者纤维素纤维织物。
优选地，所述氨基化聚乙二醇的平均分子量介于380～420。
本发明还提供一种屏障织物，所述屏障织物使用所述屏障织物制造方法制造而成。
本发明的有益效果在于，该制造方法极大地改善了纺织物表面的特性，包括表面自由能和表面粗糙度，并且能够有效的阻止有害微生物在衣物表面的沾黏和生长，对在生物医药及健康医疗的环境中帮助衣物保持干净清洁起到至关重要的作用。
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明的一种屏障织物制造方法的流程图；
图2是扫描式电子显微镜下织物表面在用氨基化聚乙二醇溶剂处理前后的对比图；
图3是聚乙二醇在织物表面形成亲水层的示意图；
图4是织物用氨基化聚乙二醇溶剂处理前后的FTIR红外光谱对比图。
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
图1是本发明的一种屏障织物制造方法的流程图。该方法包括以下步骤：
S1：把织物浸润在浓度为8％～12％的氨基化聚乙二醇、浓度为8％～12％的二羟甲基二羟基亚乙基脲(DMDHEU)、浓度为5％～10％的聚己亚甲基盐酸和浓度为1.5％～2.5％的二氯化镁的混合溶剂中；
S2：当织物的吸液率达到60％～80％时，把织物从混合溶剂中取出，并将织物放置在80～100摄氏度的干燥环境中高温干燥4～6分钟；
S3：将织物从高温干燥环境中取出后，把织物放置在150～170摄氏度的高温环境中烘培30～60秒后取出，在常温中冷却定形。
织物可以是棉织物或者纤维素纤维织物。用浸轧法实现对织物吸液率的控制。
浓度为8％～12％的二羟甲基二羟基亚乙基脲(DMDHEU)、浓度为5％～10％的聚己亚甲基盐酸和浓度为1.5％～2.5％的二氯化镁的混合溶剂也被称为所谓的交联助剂，该交联助剂使聚乙二醇在织物表面形成亲水层并附着在织物表面。
聚乙二醇是一种聚醚化合物，从工业制造到医药领域都有着广泛的应用。聚乙二醇的分子结构式是H-(O-CH2-CH2)n-OH。聚乙二醇还是一种无毒性、水溶性的聚合物。当聚乙二醇附着在不同材料表面时，其证明了具有防污染的功能。聚乙二醇的水和特性、高密度分子结构、结构柔性以及分子链的移动性
能够有效的阻止蛋白质和微生物在衣物表面的粘附。
该方法中使用了氨基化聚乙二醇，相对分子量介于380～420。为了找到用氨基化聚乙二醇处理棉织物表面的最佳条件，表1标示了实验测试所用的条件。
表1
基于表1 所选定的三个级别的控制因素条件，测试实验的安排和结果如表2 所示。
表2
基于表2，可以总结出最佳处理的条件是(1)聚乙二醇浓度为10％，(2)吸液率为70％，(3)烘培温度是160℃，和(4)烘培时间是45秒。
图2 是扫描式电子显微镜下棉织物表面在用氨基化聚乙二醇溶剂处理前后的对比图。对比图中用该制造方法处理后的棉织物表面色泽更加光亮，证明了聚乙二醇被成功的附着在了棉织物表面。
图4 是是棉织物用氨基化聚乙二醇溶剂处理前后的FTIR红外光谱对比图。对于经过氨基化聚乙二醇溶剂处理后的棉织物的红外光谱特征曲线，用四
角星符号在该曲线旁边标出，用于区分未处理的棉织物的红外光谱特征曲线。
该红外光谱图证明了经过该制造方法后聚乙二醇已经成功的附着在了棉织物表面上。位于3300cm-1的吸收峰(谷)特征说明了棉织物含有羟基-OH，位于2940cm-1的吸收峰(谷)特征说明了棉织物含有脂肪族CH，位于1700cm-1的吸收峰(谷)特征说明了棉织物含有C＝O，位于1380cm-1的吸收峰(谷)特征说明了棉织物含有C-N，以及位于1100cm-1的吸收峰(谷)特征说明了棉织物含有-CH2OH。
表3 显示了用氨基化聚乙二醇溶剂处理后的棉织物的性能测试结果，该结果证明了处理后的棉织物能达到商业衣物的要求。
表3
棉织物的抗菌特性根据美国纺织化学师与印染师协会制定的AATCC 100和AATCC 147测试方法进行。喷雾测试(AATCC 22)用于测试棉织物表面对于液体的阻隔性能。棉织物的透气性测试是用BS EN ISO 9237方法测试得出。棉织物的抗拉强度是由ASTM D5034测试方法得出。接触角度是由接触角度测试仪测试棉织物的湿度和液体扩散度而得出。
表4 显示了处理后的棉织物在低强度下的机械性能。
表4
图3是聚乙二醇在织物表面形成亲水层的示意图。浓度为8％～12％的二羟甲基二羟基亚乙基脲(DMDHEU)、浓度为5％～10％的聚己亚甲基盐酸和浓度为1.5％～2.5％的二氯化镁的混合溶剂也被称为所谓的交联助剂3，交联助剂3帮助聚乙二醇2在棉织物表面1形成亲水层，使聚乙二醇2附着在棉织物表面1。聚乙二醇中的氨基帮助阻止细菌的成长，而聚乙二醇中的-(O-CH2-CH2)-链则具有阻止细菌在棉织衣物表面增长的表面性能。
为了测试棉织物的耐久性，用氨基化聚乙二醇溶剂处理后的棉织物经过以下条件的洗涤处理：
(1)加入工业洗涤剂后在70℃的温度下洗10分钟；
(2)用70℃的热水和冷水重复漂洗两次；
(3)90℃翻滚烘干20分钟。
在以上处理后，棉织物的抗菌特性用AATCC 100和AATCC 147测试方法进行测试，表5显示了基于AATCC 147抗菌性能测试，用氨基化聚乙二醇溶剂处理后的棉织物和未经处理的棉织物在测试中表现出的抗菌特性，同时还对棉织物在洗涤前和洗涤后进行了测试对比。
表5
表6 显示了基于AATCC 100抗菌性能测试，用氨基化聚乙二醇溶剂处理后的棉织物和未经处理的棉织物在测试中表现出的抗菌特性，同时还对棉织物在洗涤前和洗涤后进行了测试对比。
表6
表7 显示了棉织物的生物反应，该生物反应由细胞毒性测试检测CDDP顺铂的浓度得出。
表7
表8 显示了在医院诊疗室环境中处理后的棉织物的抗菌测试结果。四组护士和病人参与了实验，所有护士和病人都穿着了用氨基化聚乙二醇溶剂处理后的棉织衣物。在每组护士分别对病人进行口腔手术时，在诊疗室的五个位置分别放置一个细菌采集盘，作为对该诊疗室细菌环境的监测和控制。在手术过后，每组护士和病人诊疗室的5个细菌采集盘放置在37℃的培养室培养48小时，然后统计在采集盘中增长的细菌数量。同样地，分别在护士和病人所穿着的棉织衣物的6个不同区域剪下2x2 cm大小的样本，然后放置在37℃的培养室培养48小时，然后统计样本中增长的细菌数量。
从表8中的统计结果可以清楚的发现，放置在诊疗室环境中5个不同位置的采集盘上的细菌从3～168个不等，然而护士和病人所穿着的棉织衣物上则几乎没有发现细菌，说明了用氨基化聚乙二醇溶剂处理后的棉织物有效的阻止了细菌在棉织物表面的附着和生长。
表8
另外，通过上述屏障织物制造方法可以制造出一种屏障织物，该屏障织物能够有效的阻止细菌及有害微生物在衣物表面的附着和生长。
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，这些均属于本发明的保护之内。
Claims (4)
- 一种屏障织物制造方法，其特征在于，所述方法包括以下步骤：S1：把织物浸润在浓度为8％～12％的氨基化聚乙二醇、浓度为8％～12％的二羟甲基二羟基亚乙基脲(DMDHEU)、浓度为5％～10％的聚己亚甲基盐酸和浓度为1.5％～2.5％的二氯化镁的混合溶剂中；S2：当织物的吸液率达到60％～80％时，把织物从混合溶剂中取出，并将织物放置在80～100摄氏度的干燥环境中高温干燥4～6分钟；S3：将织物从高温干燥环境中取出后，把织物放置在150～170摄氏度的高温环境中烘培30～60秒后取出，在常温中冷却定形。
- 根据权利要求1所述的屏障织物制造方法，其特征在于，所述织物是棉织物或者纤维素纤维织物。
- 根据权利要求1所述的屏障织物制造方法，其特征在于，所述氨基化聚乙二醇的平均分子量介于380～420。
- 一种屏障织物，其特征在于，使用权利要求1中所述的屏障织物制造方法制造而成。
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