CN104611913A - Preparation method of novel multifunctional silk filtering material - Google Patents
Preparation method of novel multifunctional silk filtering material Download PDFInfo
- Publication number
- CN104611913A CN104611913A CN201510055874.1A CN201510055874A CN104611913A CN 104611913 A CN104611913 A CN 104611913A CN 201510055874 A CN201510055874 A CN 201510055874A CN 104611913 A CN104611913 A CN 104611913A
- Authority
- CN
- China
- Prior art keywords
- silk
- filtering material
- multifunction
- preparation
- gel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000001914 filtration Methods 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000011259 mixed solution Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 9
- 108010022355 Fibroins Proteins 0.000 claims description 30
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 20
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- 241000381602 Vachellia nebrownii Species 0.000 claims description 11
- 239000002202 Polyethylene glycol Substances 0.000 claims description 10
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 6
- 230000035699 permeability Effects 0.000 abstract description 5
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 4
- 230000003385 bacteriostatic effect Effects 0.000 abstract description 4
- 239000004408 titanium dioxide Substances 0.000 abstract description 3
- 238000007598 dipping method Methods 0.000 abstract 1
- 239000003349 gelling agent Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 102000004169 proteins and genes Human genes 0.000 abstract 1
- 108090000623 proteins and genes Proteins 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 13
- 239000000706 filtrate Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a preparation method of a novel multifunctional silk filtering material. The method comprises the following steps: after silk is degummed, dipping the silk into a mixed solution of titanium dioxide sol and silk protein, soaking the silk in a gel promoter, taking out the silk, heating for curing the silk, and carrying out spun-laced drying on the silk, so that the novel multifunctional silk filtering material is obtained. The preparation method is simple, and combines a gel technology with a spun-laced nonwoven technology, and therefore, the method is suitable for mass production. The novel multifunctional silk filtering material prepared by using the method has high adsorbability and air permeability, and is antibacterial, bacteriostatic and durable.
Description
Technical field:
The invention belongs to silk product technical field, particularly a kind of preparation method of Multifunction silk filtering material.
Background technology:
Current micro-nano granules thing dust has become the emphasis of urban atmospheric pollution thing control, and current high-effective dust-removing technology has bag type dust removing technology and electrostatic precipitator technology, but electrostatic precipitator technology is difficult to reach pollutant emission standard.The dust-proof filtering material used of pocket type mostly is that prepared by non-weaving cloth, also referred to as fiber filtering.Fiber filtering comprises non-woven filtrate and woven filtrate, non-woven filtrate is three-dimensional structure, possesses Graded Density, and woven filtrate limits by structural parameters, therefore non-woven filtrate possesses that filter efficiency is high, dust containing capacity is large, toxicity is low, cost is low, and the feature of easy other filter material compounds.
Take silk as the excellent performance of fiber filtering prepared by raw material, because the parallel distribution of the basic stratiform of the fibril of silk, short texture, and in fibrillar structure, there is a lot of micropore, therefore the porosity of the internal structure of the silk fiber fiber filtering that makes it prepare is high, permeability is good, and has research display silk to have extraordinary adsorption rate to the aldehyde material in cigarette, and finds much less than cellulose diacetate fibers of the change of silk temperature in adsorption process.
Chinese patent CN 101892608A (publication date 2010.11.24) discloses a kind of technique utilizing silk offcut to produce sterilization mask paper, break into fiber pulp after being sheared by silk, after adding chemical addition agent and photochemical catalyst, be prepared into sterilization mask paper.Chinese patent CN100588336C (publication date 2007.09.12) discloses cocoon fibre cigarette filter tip and preparation method thereof, is be filter core by silk fiber, and fibroin and alginate are sizing, and binding material is coated on the preparation of silk fiber surface.At present silk fiber mostly is directly as fibrous filter prepared by raw material that silk fiber is carried out arrangements processing is prepared into filtering material, it is functional relies on and characteristic of silk itself more, and therefore filtering material is functional not good enough.
Summary of the invention:
The object of this invention is to provide a kind of preparation method of Multifunction silk filtering material, the method by by silk modified for gel in conjunction with nonwoven fabric technology, make 3 D stereo filtering material, Multifunction silk filtering material prepared by the method has high adsorptivity and gas permeability, and antibacterial bacteriostatic, durable.
Object of the present invention is achieved through the following technical solutions:
A preparation method for Multifunction silk filtering material, comprises the following steps:
(1) silk that will give up is removed after impurity, and cutting gives up the length of silk to below 6cm, then comes unstuck with the sodium carbonate liquor of 0.08g/L, obtains the silk bundle come unstuck after washing drying;
(2) the silk bundle come unstuck step (1) obtained immerses in the mixed solution of TiO 2 sol and fibroin and soaks, and bath raio is 1:40, then impregnated in short gel, takes out after fibroin gel, obtains the silk bundle of gel;
(3), after the gel of the silk bundle removal excess surface of gel step (2) obtained, use warm-up mill cure under pressure, dry through water thorn, obtain Multifunction silk filtering material.
Preferred as technique scheme, the useless silk described in step (1) is the leftover bits and pieces of silk.
Preferred as technique scheme, in the mixed solution described in step (2), the mass fraction of fibroin is 10-15%, and the mass fraction of TiO 2 sol is 5-8%.
Preferred as technique scheme, the time of the immersion described in step (2) is 30-60min.
Preferred as technique scheme, the short gel described in step (2) is the mixture of carboxylic acid and polyethylene glycol, and the mol ratio of carboxylic acid and polyethylene glycol is 1:5.
Preferred as technique scheme, the volume of the short gel described in step (2) is 1/50 of the mixed solution of TiO 2 sol and fibroin.
Preferred as technique scheme, the temperature of the solidification described in step (3) is 30-50 DEG C, and after cure under pressure, the thickness of silk bundle is 1-3cm.
Preferred as technique scheme, the liquid drugs injection aperture of the water thorn described in step (3) is 0.15mm, and the density of liquid drugs injection is 16/cm.
Preferred as technique scheme, the temperature of the oven dry described in step (3) is 70-80 DEG C.
Preferred as technique scheme, the porosity of the Multifunction silk filtering material described in step (3) is 25-33%.
Compared with prior art, the present invention has the following advantages:
(1) main raw material of Multifunction silk filtering material that prepared by this method is silk, and by fibroin and TiO 2 sol process, the main material of filtering material is made to be still silk, therefore filtering material has the excellent properties of silk, possess high adsorptivity and permeability, and also have titanium dioxide in filtering material, therefore possess effect of antibacterial bacteriostatic.
(2) porous gel is applied to filtering material by this preparation method, and fibroin, after being heating and curing, can form the gel rubber material of porous, strengthens the adhesion of silk fiber, and by coated by titanium dioxide wherein, improves functional and durability.
(3) this preparation method finally adopts non-woven middle water thorn technology to reinforce, and is removed by the gel rubber material combined loosely, improves the cohesive force between silk, be prepared into 3 D stereo filtering material.
Detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Embodiment 1:
After the useless silk of below 6cm is removed impurity, come unstuck with the sodium carbonate liquor of 0.08g/L, after washing drying, obtain the silk bundle come unstuck.
By the silk bundle come unstuck, with bath raio 1:40, immerse in the mixed solution of TiO 2 sol and fibroin and soak 30min, wherein the mass fraction of fibroin is 15%, and the mass fraction of TiO 2 sol is 8%.Then silk bundle is taken out, be soaked in the short gel of carboxylic acid that mol ratio is 1:5 and polyethylene glycol, the consumption of short gel is 1/50 of the mixed liquor volume of TiO 2 sol and fibroin, takes out, obtain the silk bundle of Gel Treatment after fibroin gel.
After the silk bundle of Gel Treatment being removed the gel of excess surface, with warm-up mill pressurization, 30 DEG C are heating and curing, be 16/cm through density, aperture is after the process of 0.15mm water thorn, 70 DEG C of oven dry, obtaining thickness is 1cm, and porosity is the Multifunction silk filtering material of 25%.
Embodiment 2:
After the useless silk of below 6cm is removed impurity, come unstuck with the sodium carbonate liquor of 0.08g/L, after washing drying, obtain the silk bundle come unstuck.
By the silk come unstuck, with bath raio 1:40, immerse in the mixed solution of TiO 2 sol and fibroin and soak 60min, wherein the mass fraction of fibroin is 10%, and the mass fraction of TiO 2 sol is 5%.Then taken out by silk bundle, be soaked in carboxylic acid that mol ratio is 1:5 with the short gel of polyethylene glycol, the consumption urging gel is 1/50 of mixed liquor volume, takes out, obtain the silk bundle of Gel Treatment after fibroin gel.
After the silk of Gel Treatment being removed the gel of excess surface, with warm-up mill pressurization, 50 DEG C are heating and curing, be 16/cm through density, aperture is after the process of 0.15mm water thorn, 80 DEG C of oven dry, obtaining thickness is 3cm, and porosity is the Multifunction silk filtering material of 33%.
Embodiment 3:
After the useless silk of below 6cm is removed impurity, come unstuck with the sodium carbonate liquor of 0.08g/L, after washing drying, obtain the silk bundle come unstuck.
By the silk come unstuck, with bath raio 1:40, immerse in the mixed solution of TiO 2 sol and fibroin and soak 40min, wherein the mass fraction of fibroin is 12%, and the mass fraction of TiO 2 sol is 6%.Then taken out by silk bundle, be soaked in carboxylic acid that mol ratio is 1:5 with the short gel of polyethylene glycol, the consumption urging gel is 1/50 of mixed liquor volume, takes out, obtain the silk of Gel Treatment after fibroin gel.
After the silk bundle of Gel Treatment being removed the gel of excess surface, with warm-up mill pressurization, 40 DEG C are heating and curing, be 16/cm through density, aperture is after the process of 0.15mm water thorn, 75 DEG C of oven dry, obtaining thickness is 2cm, and porosity is the Multifunction silk filtering material of 30%.
Embodiment 4:
After the useless silk of below 6cm is removed impurity, come unstuck with the sodium carbonate liquor of 0.08g/L, after washing drying, obtain the silk bundle come unstuck.
By the silk come unstuck, with bath raio 1:40, immerse in the mixed solution of TiO 2 sol and fibroin and soak 50min, wherein the mass fraction of fibroin is 11%, and the mass fraction of TiO 2 sol is 7%.Then taken out by silk bundle, be soaked in carboxylic acid that mol ratio is 1:5 with the short gel of polyethylene glycol, the consumption urging gel is 1/50 of mixed liquor volume, takes out, obtain the silk of Gel Treatment after fibroin gel.
After the silk bundle of Gel Treatment being removed the gel of excess surface, with warm-up mill pressurization, 40 DEG C are heating and curing, be 16/cm through density, aperture is after the process of 0.15mm water thorn, 75 DEG C of oven dry, obtaining thickness is 1.5cm, and porosity is the Multifunction silk filtering material of 28%.
Embodiment 5:
After the useless silk of below 6cm is removed impurity, come unstuck with the sodium carbonate liquor of 0.08g/L, after washing drying, obtain the silk bundle come unstuck.
By the silk come unstuck, with bath raio 1:40, immerse in the mixed solution of TiO 2 sol and fibroin and soak 60min, wherein the mass fraction of fibroin is 15%, and the mass fraction of TiO 2 sol is 8%.Then taken out by silk bundle, be soaked in carboxylic acid that mol ratio is 1:5 with the short gel of polyethylene glycol, the consumption urging gel is 1/50 of mixed liquor volume, takes out, obtain the silk of Gel Treatment after fibroin gel.
After the silk bundle of Gel Treatment being removed the gel of excess surface, with warm-up mill pressurization, 35 DEG C are heating and curing, be 16/cm through density, aperture is after the process of 0.15mm water thorn, 73 DEG C of oven dry, obtaining thickness is 2.5cm, and porosity is the Multifunction silk filtering material of 30%.
Embodiment 6:
After the useless silk of below 6cm is removed impurity, come unstuck with the sodium carbonate liquor of 0.08g/L, after washing drying, obtain the silk bundle come unstuck.
By the silk come unstuck, with bath raio 1:40, immerse in the mixed solution of TiO 2 sol and fibroin and soak 30min, wherein the mass fraction of fibroin is 10%, and the mass fraction of TiO 2 sol is 5%.Then taken out by silk bundle, be soaked in carboxylic acid that mol ratio is 1:5 with the short gel of polyethylene glycol, the consumption urging gel is 1/50 of mixed liquor volume, takes out, obtain the silk of Gel Treatment after fibroin gel.
After the silk bundle of Gel Treatment being removed the gel of excess surface, with warm-up mill pressurization, 35 DEG C are heating and curing, be 16/cm through density, aperture is after the process of 0.15mm water thorn, 70-80 DEG C of oven dry, obtaining thickness is 2.5cm, and porosity is the Multifunction silk filtering material of 33%.
The adsorption rate of the Multifunction silk filtering material prepared by embodiment 1-6, air penetrability, antibiotic property and mechanical properties results are as shown in the table:
From above-mentioned data, the excellent performance of Multifunction silk filtering material prepared by this method, adsorptivity and gas permeability are all fine, and antibacterial bacteriostatic, and good mechanical property is durable for a long time.
Claims (10)
1. a preparation method for Multifunction silk filtering material, is characterized in that, the method comprises the following steps:
(1) silk that will give up is removed after impurity, and cutting gives up the length of silk to below 6cm, then comes unstuck with the sodium carbonate liquor of 0.08g/L, obtains the silk bundle come unstuck after washing drying;
(2) the silk bundle come unstuck step (1) obtained immerses in the mixed solution of TiO 2 sol and fibroin and soaks, and bath raio is 1:40, then impregnated in short gel, takes out after fibroin gel, obtains the silk bundle of gel;
(3), after the gel of the silk bundle removal excess surface of gel step (2) obtained, use warm-up mill cure under pressure, dry through water thorn, obtain Multifunction silk filtering material.
2. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, it is characterized in that, the useless silk described in step (1) is the leftover bits and pieces of silk.
3. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, it is characterized in that, in the mixed solution described in step (2), the mass fraction of fibroin is 10-15%, and the mass fraction of TiO 2 sol is 5-8%.
4. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, is characterized in that, the time of the immersion described in step (2) is 30-60min.
5. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, is characterized in that, the short gel described in step (2) is the mixture of carboxylic acid and polyethylene glycol, and the mol ratio of carboxylic acid and polyethylene glycol is 1:5.
6. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, is characterized in that, the volume of the short gel described in step (2) is 1/50 of the mixed solution of TiO 2 sol and fibroin.
7. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, it is characterized in that, the temperature of the solidification described in step (3) is 30-50 DEG C, and after cure under pressure, the thickness of silk bundle is 1-3cm.
8. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, is characterized in that, the liquid drugs injection aperture of the water thorn described in step (3) is 0.15mm, and the density of liquid drugs injection is 16/cm.
9. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, is characterized in that, the temperature of the oven dry described in step (3) is 70-80 DEG C.
10. the preparation method of a kind of Multifunction silk filtering material as claimed in claim 1, is characterized in that, the porosity of the Multifunction silk filtering material described in step (3) is 25-33%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055874.1A CN104611913B (en) | 2015-02-03 | 2015-02-03 | A kind of preparation method of Multifunctional silk filtering material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055874.1A CN104611913B (en) | 2015-02-03 | 2015-02-03 | A kind of preparation method of Multifunctional silk filtering material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104611913A true CN104611913A (en) | 2015-05-13 |
| CN104611913B CN104611913B (en) | 2016-09-07 |
Family
ID=53146542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510055874.1A Expired - Fee Related CN104611913B (en) | 2015-02-03 | 2015-02-03 | A kind of preparation method of Multifunctional silk filtering material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104611913B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978032A (en) * | 2018-08-01 | 2018-12-11 | 苏州汪永亨丝绸科技文化有限公司 | A kind of production method of novel silk fabric |
| CN114515457A (en) * | 2021-12-31 | 2022-05-20 | 杭州科百特过滤器材有限公司 | Resin bonding and curing filter element and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002363861A (en) * | 2001-06-05 | 2002-12-18 | Hiromoto Uejima | Method for carrying out silk fibroin processing of fiber or fiber product |
| CN101498061A (en) * | 2009-03-05 | 2009-08-05 | 浙江大学 | Method for improving antibiosis of silk fibroin material |
| CN101619541A (en) * | 2009-08-10 | 2010-01-06 | 浙江理工大学 | Green-fabrics finishing method |
| CN104311848A (en) * | 2014-09-25 | 2015-01-28 | 苏州印丝特纺织数码科技有限公司 | Preparation method of regenerated fibroin-nano titanium oxide composite membrane |
-
2015
- 2015-02-03 CN CN201510055874.1A patent/CN104611913B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002363861A (en) * | 2001-06-05 | 2002-12-18 | Hiromoto Uejima | Method for carrying out silk fibroin processing of fiber or fiber product |
| CN101498061A (en) * | 2009-03-05 | 2009-08-05 | 浙江大学 | Method for improving antibiosis of silk fibroin material |
| CN101619541A (en) * | 2009-08-10 | 2010-01-06 | 浙江理工大学 | Green-fabrics finishing method |
| CN104311848A (en) * | 2014-09-25 | 2015-01-28 | 苏州印丝特纺织数码科技有限公司 | Preparation method of regenerated fibroin-nano titanium oxide composite membrane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978032A (en) * | 2018-08-01 | 2018-12-11 | 苏州汪永亨丝绸科技文化有限公司 | A kind of production method of novel silk fabric |
| CN114515457A (en) * | 2021-12-31 | 2022-05-20 | 杭州科百特过滤器材有限公司 | Resin bonding and curing filter element and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104611913B (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101381907B (en) | Method for producing antimicrobial calcium alginate fiber | |
| JP6790095B2 (en) | Graphene adsorbent, its manufacturing method and its application, and tobacco filter and tobacco | |
| CN105088532B (en) | A kind of high water conservation mask substrate and preparation method thereof | |
| CN100588336C (en) | Silk cigarette filter and preparation method thereof | |
| TWI641734B (en) | Method for preparing bamboo pulp cellulose non-woven fabric with deodorizing function by spunbonding method | |
| CN103215678B (en) | Preparation method of bamboo cellulose fiber with natural antibacterial, deodorizing and anion functions | |
| CN104083946A (en) | Antibacterial gauze mask filter and preparation method thereof, and antibacterial gauze mask | |
| CN101187089A (en) | Antibacterial nanofibers blended with silk fibroin and polyvinyl alcohol and preparation method thereof | |
| CN103436985A (en) | Preparation method of silk fibroin/chitosan blend nanofiber | |
| CN105870383B (en) | A kind of battery capacitor barrier film and preparation method thereof | |
| CN102704326B (en) | Preparation method of alginic acid system nonwoven | |
| CN101264335A (en) | Bacterial cellulose film containing silver chloride nanoparticles and its preparation method and application | |
| CN113046926A (en) | Silk fibroin polylactic acid porous nanofiber composite material and preparation method and application thereof | |
| CN106729959A (en) | A kind of fibroin fiber antiseptic dressing and preparation method thereof | |
| CN109827682A (en) | Sensor dielectric layer and preparation method and application thereof | |
| CN104611913A (en) | Preparation method of novel multifunctional silk filtering material | |
| CN108914381A (en) | A kind of nonwoven production processing technology | |
| CN103110190A (en) | Cigarette filter made of loofah sponge fiber and preparation method thereof | |
| CN103879120A (en) | Fibroin nanofiber haze protection product based on waste cocoon silk raw materials | |
| CN105363358B (en) | Polyether sulfone/polytetramethylene carbonate diol doughnut blend film and preparation method | |
| CN112999896B (en) | Boehmite modified adsorption film and preparation method and application thereof | |
| CN103637926A (en) | Non-woven fabric for facial mask base materials as well as preparation method thereof | |
| CN103215753B (en) | Preparation method of bamboo pulp cellulose non-woven fabric with deodorizing function | |
| CN1837435B (en) | Composite nano-grade silk fiber product and method for preparing the same | |
| CN105582744B (en) | A kind of silk nanofiber filtration material, its preparation method and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Hongyu Inventor before: Chen Yonglin |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160810 Address after: Guilin street 402660 Chongqing city Tongnan District Chunyang Road No. 274 Applicant after: Chongqing green edge leather products Co., Ltd. Address before: 313026 Zhejiang Province, Huzhou city Nanxun District Hefu town re trillion Industrial Park Applicant before: Huzhou Xinchuang Silk Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20190203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |