CN108589304A - A kind of non-woven fabrics and preparation method thereof with gas cleaning function - Google Patents

A kind of non-woven fabrics and preparation method thereof with gas cleaning function Download PDF

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Publication number
CN108589304A
CN108589304A CN201810374056.1A CN201810374056A CN108589304A CN 108589304 A CN108589304 A CN 108589304A CN 201810374056 A CN201810374056 A CN 201810374056A CN 108589304 A CN108589304 A CN 108589304A
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China
Prior art keywords
woven fabrics
cleaning function
gas cleaning
preparation
solution
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CN201810374056.1A
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Chinese (zh)
Inventor
蔡国妹
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Shanghai Institute Of Chemical Technology Co Ltd Zhen
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Shanghai Institute Of Chemical Technology Co Ltd Zhen
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Priority to CN201810374056.1A priority Critical patent/CN108589304A/en
Publication of CN108589304A publication Critical patent/CN108589304A/en
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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
    • D06M15/19Treating 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
    • D06M15/61Polyamines polyimines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • 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
    • D06M13/12Aldehydes; Ketones
    • D06M13/123Polyaldehydes; Polyketones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/406Ammonia
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702Hydrocarbons
    • B01D2257/7027Aromatic hydrocarbons
    • 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
    • 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
    • D06M2101/04Vegetal fibres
    • D06M2101/06Vegetal fibres cellulosic

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses a kind of non-woven fabrics and preparation method thereof with gas cleaning function.The prepared non-woven fabrics with gas cleaning function through the invention, PARA FORMALDEHYDE PRILLS(91,95), ammonia, sulfur dioxide and benzene have good adsorption effect, non-stimulated to skin and respiratory tract, and have sterilizing function.Activated carbon component in the alternative mask of this non-woven fabrics or air purifier, or enhance its effect for removing removing and harmful gas with activated carbon compound use.It can be used for the textiles such as the indoor functional form fitted sheet with purification indoor pollutant, curtain, roller shutter, blind, backing cushion, mattress.

Description

A kind of non-woven fabrics and preparation method thereof with gas cleaning function
Technical field
The invention belongs to non-woven fabrics fields, and in particular to one kind having formaldehyde adsorption, ammonia, sulfur dioxide and benzene and sterilization The non-woven fabrics and preparation method thereof with gas cleaning function of function.
Background technology
Most important gas adsorption material is activated carbon and the work prepared by way of attachment activity charcoal currently on the market Property charcoal cloth.However the solid particle forms of activated carbon, its range used is limited to a certain extent.Although can be by attached The technique active carbon cloth prepared by the mode of activated carbon, but adhered to not only increases use cost, and adsorption capacity is also Loss.
Invention content
The invention discloses a kind of non-woven fabrics with formaldehyde adsorption, ammonia, sulfur dioxide and benzene and sterilizing function and its Preparation method, and provide the application form and range of this non-woven fabrics.
The purpose of the invention is to provide one kind using polyethyleneimine and fixative as primary raw material, preparation has gas The method of the non-woven fabrics of body cleaning function.
Used technical step is as follows to achieve the purpose of the present invention:
A, treatment fluid is prepared
A certain amount of polyethyleneimine is added in deionized water at room temperature, mechanical agitation, polyethylenimine solution is made; Polyethyleneimine mass concentration is 1%~50% in the solution;
B, fixer is prepared
A certain amount of glutaraldehyde is added in deionized water at room temperature, mechanical agitation, glutaraldehyde solution is made;Described is molten Glutaraldehyde mass concentration is 1%~10% in liquid;
C, the preparation of non-woven fabrics
Non-woven fabrics is handled using the step A polyethylenimine solutions prepared, by non-woven fabrics first in polyethyleneimine Solution impregnates, then by the non-woven fabrics after dipping polyethylenimine solution by padding machine, and the pressure by controlling padding machine removes excessive Solution, by liquid carrying rate control 100%.Then baking oven is reused by above-mentioned liquid carrying rate 100% containing polyethyleneimine Non-woven fabrics is dried.Then, then by the glutaraldehyde solution that non-woven fabrics after drying is first prepared in step impregnate, same use passes through control The pressure of padding machine removes excessive solution, and liquid carrying rate is controlled 100%.The non-woven fabrics prepared through the above steps is dried, Obtain the non-woven fabrics with gas cleaning function.
In above-mentioned step A, used polyethyleneimine weight average molecular weight range is 300~2,000,000, is optimized It is 25,000~2,000,000.
It is used it is characterized in that, to prepare the non-woven fabrics with gas cleaning function in above-mentioned step C, made The concentration ratio of polyethylenimine solution and glutaraldehyde solution is 20:1~2:1, it is optimal to turn to 15:1~5:1.
In above-mentioned step C, for prepare with gas cleaning function non-woven fabrics, institute can be selected from using raw material non-woven fabrics but It is not limited to viscose rayon non-woven fabrics, Wood pulp non-woven fabrics, polyester non-woven fabric, polypropylene non-woven fabric, viscose rayon/polyester composite non woven Cloth, viscose rayon/wood pulp compound nonwoven cloth, wood pulp/polyester compound nonwoven cloth and wood pulp/polypropylene composite materials non-woven fabrics.
In above-mentioned step C, to prepare the non-woven fabrics with gas cleaning function, raw material non-woven fabrics is molten in polyethyleneimine Dipping is respectively 3 seconds in liquid and glutaraldehyde solution.Using being dried in an oven after padding machine pressure rolling, drying temperature is 120 DEG C, Drying time is 5 minutes.
By the way that in the non-woven fabrics prepared by the above method, used functional component polyethyleneimine is fixed completely On non-woven fabrics base material.It will repeatedly be rinsed in pure water by the non-woven fabrics with gas cleaning function prepared by the above method Half an hour, weight loss are less than 2%.
It is an advantage of the invention that;
1) the prepared non-woven fabrics with gas cleaning function through the invention, PARA FORMALDEHYDE PRILLS(91,95), ammonia, sulfur dioxide and benzene are all There is good adsorption effect, and non-stimulated to skin and respiratory tract;
2) chemicals through the invention on the prepared non-woven fabrics with gas cleaning function is fixed on non-woven fabrics On base material, it will not can be discharged into environment in use, it is environmentally safe;
3) there is the non-woven fabrics described in sterilizing function, non-woven fabrics can and be not limited to effective formaldehyde adsorption, ammonia, dioxy Change the toxic and harmful gas of sulphur and benzene.
4) non-woven fabrics material using flexible, the activated carbon component in alternative mask or air purifier, or and activated carbon Being used in combination enhances its effect for removing removing and harmful gas.It can be used for the indoor functional form bed with purification indoor pollutant The textiles such as large bamboo hat with a conical crown and broad brim, curtain, roller shutter, blind, backing cushion, mattress.
Specific implementation mode
It will be helpful to understand the present invention by following embodiment, but be not intended to limit present disclosure.
Embodiment 1,
Step 1 has the preparation of the non-woven fabrics of gas cleaning function
A, treatment fluid is prepared
It is at room temperature 25,000 polyethyleneimine (trade name by 10g weight average molecular weight:JS980, solid content 99%, on Hai Jiasen Science and Technology Ltd.s produce) it is added in 90 grams of water deionized waters, mechanical agitation 5 minutes, it is 10% that mass concentration, which is made, Polyethylenimine solution;
B, fixer is prepared
1.5g glutaraldehydes are added in deionized water at room temperature, mechanical agitation 1 minute, it is 1.5% that mass concentration, which is made, Glutaraldehyde solution;
C, the preparation of non-woven fabrics
The 100% viscose rayon material of polyethylenimine solution pair prepared using step A, area density are 60 grams/square The spunlace non-woven cloth of rice is handled, and 5 grams of above-mentioned raw materials non-woven fabrics is first impregnated 3 seconds in polyethylenimine solution, then will leaching By padding machine, the pressure by controlling padding machine removes excessive molten in 0.4MPa for non-woven fabrics after stain polyethylenimine solution Liquid controls liquid carrying rate 100%.Then baking oven is reused, is 120 DEG C in drying temperature, the condition that drying time is 5 minutes It is lower to dry the non-woven fabrics containing polyethyleneimine of above-mentioned liquid carrying rate 100%.Then, then by non-woven fabrics after drying first in step The glutaraldehyde solution of preparation impregnates 3 seconds, same to use under conditions of the pressure 0.4MPa of padding machine, to remove excessively molten Liquid controls liquid carrying rate 100%.The non-woven fabrics that will be prepared through the above steps is 120 DEG C in drying temperature, drying time It is to be dried to get to the non-woven fabrics with gas cleaning function under conditions of 5 minutes.
The non-woven fabrics of above-mentioned preparation is weighed, weight is 5.5 grams.It is small that this non-woven fabrics is rinsed in pure water to half repeatedly When, it weighs again after drying, weight is still 5.5 grams.
According to GBT 18204.2-2014《Public places sanitary method of inspection part 2:Chemical pollutant》、ASTM E 2149-13a《Anti- (suppression) bacterium performance of non-stripping property anti-biotic material is measured under the conditions of moving contact》Detect the nothing of above-mentioned preparation The pernicious gases such as woven fabric formaldehyde adsorption, ammonia, sulfur dioxide and benzene and bactericidal effect to bacterium, concrete outcome are as follows:
Embodiment 2,
Step 1 has the preparation of the non-woven fabrics of gas cleaning function
A, treatment fluid is prepared
It is at room temperature 25,000 polyethyleneimine (trade name by 10g weight average molecular weight:JS980, solid content 99%, on Hai Jiasen Science and Technology Ltd.s produce) it is added in 90 grams of water deionized waters, mechanical agitation 5 minutes, it is 10% that mass concentration, which is made, Polyethylenimine solution;
B, fixer is prepared
1.5g glutaraldehydes are added in deionized water at room temperature, mechanical agitation 1 minute, it is 1.5% that mass concentration, which is made, Glutaraldehyde solution;
C, the preparation of non-woven fabrics
The polyethylenimine solution that is prepared using the step A material (ratio blended to wood pulp and PP:Wood pulp 50-80% PP20-50%), the spunlace non-woven cloth that area density is 30-45 grams/m is handled, and 5 grams of above-mentioned raw materials non-woven fabrics are first It is impregnated 3 seconds in polyethylenimine solution, then the non-woven fabrics after dipping polyethylenimine solution is rolled by padding machine by control The pressure of vehicle removes excessive solution in 0.4MPa, and liquid carrying rate is controlled 100%.Then baking oven is reused, in drying temperature Degree is 120 DEG C, and drying time is to dry the non-woven fabrics containing polyethyleneimine of above-mentioned liquid carrying rate 100% under conditions of 5 minutes It is dry.Then, then by the glutaraldehyde solution that non-woven fabrics after drying is first prepared in step impregnate 3 seconds, the same pressure using in padding machine Under conditions of power 0.4MPa, for the solution for removing excessive, liquid carrying rate is controlled 100%.The nothing that will be prepared through the above steps Woven fabric is 120 DEG C in drying temperature, and drying time is that drying to get to described there is gas to clean work(under conditions of 5 minutes The non-woven fabrics of energy.
The non-woven fabrics of above-mentioned preparation is weighed, weight is 5.5 grams.It is small that this non-woven fabrics is rinsed in pure water to half repeatedly When, it weighs again after drying, weight is still 5.5 grams.
According to GBT 18204.2-2014《Public places sanitary method of inspection part 2:Chemical pollutant》、ASTM E 2149-13a《Anti- (suppression) bacterium performance of non-stripping property anti-biotic material is measured under the conditions of moving contact》Detect the nothing of above-mentioned preparation The pernicious gases such as woven fabric formaldehyde adsorption, ammonia, sulfur dioxide and benzene and bactericidal effect to bacterium, concrete outcome are as follows:
Embodiment 3,
Step 1 has the preparation of the non-woven fabrics of gas cleaning function
A, treatment fluid is prepared
It is at room temperature 25,000 polyethyleneimine (trade name by 5g weight average molecular weight:JS980, solid content 99%, Shanghai Jia Sen Science and Technology Ltd.s produce) be added in 95 grams of water deionized waters, mechanical agitation 5 minutes, be made mass concentration be 5% it is poly- Aziridine solution;
B, fixer is prepared
1.5g glutaraldehydes are added in deionized water at room temperature, mechanical agitation 1 minute, it is 1.5% that mass concentration, which is made, Glutaraldehyde solution;
C, the preparation of non-woven fabrics
For the polyethylenimine solution prepared using step A to 100%PP materials, area density is 20-40 grams/m Spunlace non-woven cloth is handled, and 5 grams of above-mentioned raw materials non-woven fabrics is first impregnated 3 seconds in polyethylenimine solution, then dipping is poly- For non-woven fabrics after aziridine solution by padding machine, the pressure by controlling padding machine removes excessive solution in 0.4MPa, will Liquid carrying rate is controlled 100%.Then baking oven is reused, is 120 DEG C in drying temperature, drying time is will under conditions of 5 minutes The non-woven fabrics drying containing polyethyleneimine of above-mentioned liquid carrying rate 100%.Then, then by non-woven fabrics after drying first prepared in step Glutaraldehyde solution impregnate 3 seconds, it is same using under conditions of the pressure 0.4MPa of padding machine, will for the solution for removing excessive Liquid carrying rate is controlled 100%.The non-woven fabrics that will be prepared through the above steps is 120 DEG C in drying temperature, and drying time is 5 points It is dried to get to the non-woven fabrics with gas cleaning function under conditions of clock.
The non-woven fabrics of above-mentioned preparation is weighed, weight is 5.2 grams.It is small that this non-woven fabrics is rinsed in pure water to half repeatedly When, it weighs again after drying, weight is still 5.2 grams.
According to GBT 18204.2-2014《Public places sanitary method of inspection part 2:Chemical pollutant》、ASTM E 2149-13a《Anti- (suppression) bacterium performance of non-stripping property anti-biotic material is measured under the conditions of moving contact》Detect the nothing of above-mentioned preparation The pernicious gases such as woven fabric formaldehyde adsorption, ammonia, sulfur dioxide and benzene and bactericidal effect to bacterium, concrete outcome are as follows:

Claims (7)

1. a kind of non-woven fabrics with gas cleaning function, it is characterised in that the non-woven fabrics consists of the following components:
A, non-woven fabrics base material;
B, the polyethyleneimine with absorption toxic and harmful gas function;
C, the glutaraldehyde of fixed polyethyleneimine.
2. a kind of preparation method of the non-woven fabrics with gas cleaning function, it is characterised in that:The preparation method includes following step Suddenly:
A, treatment fluid is prepared
Polyethyleneimine is dissolved in the water obtained polyethylenimine solution;The polyethylenimine solution is 1%~50%;
B, fixer is prepared
Glutaraldehyde is dissolved in the water obtained glutaraldehyde solution;The glutaraldehyde solution is 1%~10%;
C, the preparation of non-woven fabrics
Non-woven fabrics is handled using the step A polyethylenimine solutions prepared, is made by first impregnating the method dried again Non-woven fabrics containing polyethyleneimine, then the method nothing containing polyethyleneimine standby to upper face amount that passes through dipping with glutaraldehyde solution Processing is fixed in woven fabric, is dried again after processing, obtains the non-woven fabrics with gas cleaning function.
3. the preparation method of the non-woven fabrics with gas cleaning function as claimed in claim 2, which is characterized in that prepare tool There is a non-woven fabrics of gas cleaning function, in step C, the concentration ratio of used polyethylenimine solution and glutaraldehyde solution is 20:1~2:1, it is optimal to turn to 15:1~5:1.
4. the preparation method of the non-woven fabrics with gas cleaning function as claimed in claim 2, which is characterized in that used Polyethyleneimine weight average molecular weight range is 300~2,000,000, optimal to turn to 25,000~2,000,000.
5. the preparation method of the non-woven fabrics with gas cleaning function as claimed in claim 2, which is characterized in that in step C, The concentration ratio of used polyethylenimine solution and glutaraldehyde solution is optimal to turn to 15:1~5:1.
6. the preparation method of the non-woven fabrics with gas cleaning function as claimed in claim 2, which is characterized in that used Polyethyleneimine weight average molecular weight range is optimal to turn to 25,000~2,000,000.
7. the preparation method of the non-woven fabrics with gas cleaning function as claimed in claim 2, which is characterized in that raw material nonwoven It is respectively 3 seconds that cloth impregnates in polyethylenimine solution and glutaraldehyde solution.Using being dried in an oven after padding machine pressure rolling, dry Dry temperature is 120 DEG C, and drying time is 5 minutes.
CN201810374056.1A 2018-04-24 2018-04-24 A kind of non-woven fabrics and preparation method thereof with gas cleaning function Pending CN108589304A (en)

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CN201810374056.1A CN108589304A (en) 2018-04-24 2018-04-24 A kind of non-woven fabrics and preparation method thereof with gas cleaning function

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Application Number Priority Date Filing Date Title
CN201810374056.1A CN108589304A (en) 2018-04-24 2018-04-24 A kind of non-woven fabrics and preparation method thereof with gas cleaning function

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113981701A (en) * 2021-11-01 2022-01-28 邯郸派瑞电器有限公司 Preparation method of antibacterial and disinfectant solid aldehyde cloth

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0372881A (en) * 1989-08-09 1991-03-28 Nitto Denko Corp Production of hollow fiber membrane for enzyme immobilization
EP0992283A2 (en) * 1998-09-21 2000-04-12 Polymer Group, Inc. Method and product for selectively removing ions from aqueous solutions
CN102380351A (en) * 2011-08-08 2012-03-21 邯郸派瑞电器有限公司 Method for synthesizing formaldehyde adsorption resin
CN104499294A (en) * 2014-12-04 2015-04-08 盐城工学院 Method for finishing antistatic antibacterial and hydrophilic polyester fabric
CN104624178A (en) * 2013-11-08 2015-05-20 东北林业大学 Preparation method of heavy metal ion absorbent (polyethyleneimine-sodium lignin sulfonate)
CN105780489A (en) * 2016-04-21 2016-07-20 安徽皖翎羽绒制品有限公司 Waterborne polyurethane coating agent containing superfine down feather fiber-polyethyleneimine microsphere
CN105970616A (en) * 2016-06-30 2016-09-28 广东工业大学 Antibacterial non-woven fabric, and preparation method and application thereof
CN106660010A (en) * 2013-12-02 2017-05-10 南加州大学 Regenerative adsorbents of modified amines on nano-structured supports

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0372881A (en) * 1989-08-09 1991-03-28 Nitto Denko Corp Production of hollow fiber membrane for enzyme immobilization
EP0992283A2 (en) * 1998-09-21 2000-04-12 Polymer Group, Inc. Method and product for selectively removing ions from aqueous solutions
CN102380351A (en) * 2011-08-08 2012-03-21 邯郸派瑞电器有限公司 Method for synthesizing formaldehyde adsorption resin
CN104624178A (en) * 2013-11-08 2015-05-20 东北林业大学 Preparation method of heavy metal ion absorbent (polyethyleneimine-sodium lignin sulfonate)
CN106660010A (en) * 2013-12-02 2017-05-10 南加州大学 Regenerative adsorbents of modified amines on nano-structured supports
CN104499294A (en) * 2014-12-04 2015-04-08 盐城工学院 Method for finishing antistatic antibacterial and hydrophilic polyester fabric
CN105780489A (en) * 2016-04-21 2016-07-20 安徽皖翎羽绒制品有限公司 Waterborne polyurethane coating agent containing superfine down feather fiber-polyethyleneimine microsphere
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113981701A (en) * 2021-11-01 2022-01-28 邯郸派瑞电器有限公司 Preparation method of antibacterial and disinfectant solid aldehyde cloth

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