CN104611913B - A kind of preparation method of Multifunctional silk filtering material - Google Patents
A kind of preparation method of Multifunctional silk filtering material Download PDFInfo
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- CN104611913B CN104611913B CN201510055874.1A CN201510055874A CN104611913B CN 104611913 B CN104611913 B CN 104611913B CN 201510055874 A CN201510055874 A CN 201510055874A CN 104611913 B CN104611913 B CN 104611913B
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Abstract
The invention discloses the preparation method of a kind of Multifunctional silk filtering material, the method comprises the following steps: after natural silk degumming, first impregnated in the mixed solution of TiO 2 sol and fibroin, it is soaked in again in rush gel, taking-up is heating and curing, after spun lacing is dried, obtain Multifunction silk filtering material.This preparation method is easy, is combined with non-woven middle spun lacing technology by gel technique, is adapted to produce on a large scale.Multifunction silk filtering material prepared by the method has high adsorptivity and a gas permeability, and antibacterial bacteriostatic, durable.
Description
Technical field:
The invention belongs to silk product technical field, particularly to a kind of Multifunctional silk filter material
The preparation method of material.
Background technology:
Micro-nano granules thing dust has become as the emphasis of urban atmospheric pollution thing preventing and treating, mesh at present
Front high-effective dust-removing technology has bag type dust removing technology and electrostatic precipitator technology, but electrostatic precipitator technology is very
Difficulty reaches pollutant emission standard.The dust-proof filtering material used of pocket type mostly is non-weaving cloth to be prepared
, also referred to as fiber filtering.Fiber filtering includes non-woven filtrate and woven filtrate, non-woven
Filtrate is three-dimensional structure, possesses Graded Density, and woven filtrate is limited by structural parameters, the most non-
Weaving filtrate possesses that filter efficiency is high, dust containing capacity is big, toxicity is low, low cost, and easily other
The feature that filter material is compound.
With the excellent performance of the fiber filtering that silk is prepared for raw material, because the fibril of silk is basic
The parallel distribution of stratiform, short texture, and fibrillar structure exists a lot of micropore, therefore silk
The internal structure of fiber makes the porosity height of its fiber filtering prepared, and permeability is good, and
There is research display silk that the aldehyde material in cigarette is had extraordinary adsorption rate, and find silk
In adsorption process, the change of temperature is little more than cellulose diacetate fibers.
Chinese patent CN 101892608A (publication date 2010.11.24) discloses a kind of utilization
Silk offcut produces the technique of sterilization mask paper, breaks into fiber pulp after being sheared by silk, adds
It is prepared as sterilization mask paper after chemical addition agent and photochemical catalyst.Chinese patent CN
100588336C (publication date 2007.09.12) discloses cocoon fibre cigarette filter tip and preparation side thereof
Method, is to be filter core, fibroin and alginate for sizing by silk fiber, and binding material is coated with
It is overlying on silk fiber surface to prepare.The fibrous filter prepared as raw material by silk fiber at present is many
Be prepared as filtering material for directly carrying out silk fiber arranging processing, its functional rely on
The characteristic of silk itself, therefore filtering material is functional not good enough.
Summary of the invention:
It is an object of the invention to provide the preparation method of a kind of Multifunctional silk filtering material, the party
Method, by silk modified for gel is combined nonwoven fabric technology, makes 3 D stereo filter material
Material, Multifunction silk filtering material prepared by the method has high adsorptivity and breathes freely
Property, and antibacterial bacteriostatic, durable.
The purpose of the present invention is achieved through the following technical solutions:
The preparation method of a kind of Multifunctional silk filtering material, comprises the following steps:
(1), after useless silk being gone the removal of impurity, the give up length of silk of cutting is to below 6cm, so
Afterwards with the sodium carbonate liquor degumming of 0.08g/L, washing obtains the silk bundle of degumming after drying；
(2) the silk bundle of degumming step (1) obtained immerses TiO 2 sol and silk
Soaking in the mixed solution of albumen, bath raio is 1:40, then impregnated in rush gel, treats silkworm
Take out after silk-fibroin gel, obtain the silk bundle of gel；
(3) after the silk bundle of gel step (2) obtained removes the gel of excess surface,
Use heating roller cure under pressure, dry through spun lacing, obtain Multifunction silk filtering material.
Preferred as technique scheme, the useless silk described in step (1) is under silk
Heel.
Preferred as technique scheme, silk egg in the mixed solution described in step (2)
White mass fraction 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 rush gel described in step (2) be carboxylic acid with
The mixture of polyethylene glycol, carboxylic acid is 1:5 with the mol ratio of polyethylene glycol.
Preferred as technique scheme, the volume promoting gel described in step (2) is
The 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, after cure under pressure, the thickness of silk bundle is 1-3cm.
Preferred as technique scheme, the liquid drugs injection aperture of the spun lacing described in step (3) is
0.15mm, the density of liquid drugs injection is 16/cm.
Preferred as technique scheme, the temperature of the drying described in step (3) is
70-80℃。
Preferred as technique scheme, the Multifunction silk mistake described in step (3)
The porosity of filtering material is 25-33%.
Compared with prior art, the invention have the advantages that
(1) primary raw material of the Multifunctional silk filtering material that prepared by this method is silk, and
Processed with TiO 2 sol by fibroin, make the main material of filtering material still for silkworm
Silk, therefore filtering material has the excellent properties of silk, possesses high adsorptivity and permeability,
And filtering material also has titanium dioxide, therefore possess effect of antibacterial bacteriostatic.
(2) porous gel is applied to filtering material by this preparation method, and fibroin is heated
After solidification, the gel rubber material of porous can be formed, strengthen the adhesion of silk fiber, and will
Coated by titanium dioxide wherein, improves functional and durability.
(3) this preparation method finally uses non-woven middle spun lacing technology to reinforce, will be in conjunction with
Gel rubber material loosely is removed, and improves the cohesive force between silk, is prepared as 3 D stereo filter material
Material.
Detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the present invention is made the most in detail
Stating, this embodiment is only used for explaining the present invention, is not intended that limiting the scope of the present invention.
Embodiment 1:
After the useless silk of below 6cm is gone the removal of impurity, with the sodium carbonate liquor degumming of 0.08g/L,
Washing obtains the silk bundle of degumming after drying.
By the silk bundle of degumming, with bath raio 1:40, immerse TiO 2 sol and fibroin
Mixed solution in soak 30min, wherein the mass fraction of fibroin is 15%, titanium dioxide
The mass fraction of titanium colloidal sol is 8%.Then being taken out by silk bundle, being soaked in mol ratio is 1:5
Carboxylic acid and polyethylene glycol rush gel in, promote the consumption of gel be TiO 2 sol with
The 1/50 of the mixed liquor volume of fibroin, takes out after fibroin gel, is coagulated
The silk bundle that glue processes.
After the silk bundle of Gel Treatment is removed the gel of excess surface, pressurize with heating roller,
30 DEG C are heating and curing, and are 16/cm through density, and aperture is after 0.15mm spun lacing processes, 70 DEG C
Drying, obtaining thickness is 1cm, and porosity is the Multifunction silk filtering material of 25%.
Embodiment 2:
After the useless silk of below 6cm is gone the removal of impurity, with the sodium carbonate liquor degumming of 0.08g/L,
Washing obtains the silk bundle of degumming after drying.
By the silk of degumming, with bath raio 1:40, immerse TiO 2 sol and fibroin
Soaking 60min in mixed solution, wherein the mass fraction of fibroin is 10%, titanium dioxide
The mass fraction of colloidal sol is 5%.Then being taken out by silk bundle, being soaked in mol ratio is 1:5's
Carboxylic acid is with the rush gel of polyethylene glycol, and the consumption promoting gel is mixed liquor volume
1/50, take out after fibroin gel, obtain the silk bundle of Gel Treatment.
After the silk of Gel Treatment is removed the gel of excess surface, pressurize with heating roller, 50 DEG C
Being heating and curing, be 16/cm through density, aperture is after 0.15mm spun lacing processes, 80 DEG C of bakings
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 gone the removal of impurity, with the sodium carbonate liquor degumming of 0.08g/L,
Washing obtains the silk bundle of degumming after drying.
By the silk of degumming, with bath raio 1:40, immerse TiO 2 sol and fibroin
Soaking 40min in mixed solution, wherein the mass fraction of fibroin is 12%, titanium dioxide
The mass fraction of colloidal sol is 6%.Then being taken out by silk bundle, being soaked in mol ratio is 1:5's
Carboxylic acid is with the rush gel of polyethylene glycol, and the consumption promoting gel is mixed liquor volume
1/50, take out after fibroin gel, obtain the silk of Gel Treatment.
After the silk bundle of Gel Treatment is removed the gel of excess surface, pressurize with heating roller,
40 DEG C are heating and curing, and are 16/cm through density, and aperture is after 0.15mm spun lacing processes, 75 DEG C
Drying, obtaining thickness is 2cm, and porosity is the Multifunction silk filtering material of 30%.
Embodiment 4:
After the useless silk of below 6cm is gone the removal of impurity, with the sodium carbonate liquor degumming of 0.08g/L,
Washing obtains the silk bundle of degumming after drying.
By the silk of degumming, with bath raio 1:40, immerse TiO 2 sol and fibroin
Soaking 50min in mixed solution, wherein the mass fraction of fibroin is 11%, titanium dioxide
The mass fraction of colloidal sol is 7%.Then being taken out by silk bundle, being soaked in mol ratio is 1:5's
Carboxylic acid is with the rush gel of polyethylene glycol, and the consumption promoting gel is mixed liquor volume
1/50, take out after fibroin gel, obtain the silk of Gel Treatment.
After the silk bundle of Gel Treatment is removed the gel of excess surface, pressurize with heating roller,
40 DEG C are heating and curing, and are 16/cm through density, and aperture is after 0.15mm spun lacing processes, 75 DEG C
Drying, 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 gone the removal of impurity, with the sodium carbonate liquor degumming of 0.08g/L,
Washing obtains the silk bundle of degumming after drying.
By the silk of degumming, with bath raio 1:40, immerse TiO 2 sol and fibroin
Soaking 60min in mixed solution, wherein the mass fraction of fibroin is 15%, titanium dioxide
The mass fraction of colloidal sol is 8%.Then being taken out by silk bundle, being soaked in mol ratio is 1:5's
Carboxylic acid is with the rush gel of polyethylene glycol, and the consumption promoting gel is mixed liquor volume
1/50, take out after fibroin gel, obtain the silk of Gel Treatment.
After the silk bundle of Gel Treatment is removed the gel of excess surface, pressurize with heating roller,
35 DEG C are heating and curing, and are 16/cm through density, and aperture is after 0.15mm spun lacing processes, 73 DEG C
Drying, 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 gone the removal of impurity, with the sodium carbonate liquor degumming of 0.08g/L,
Washing obtains the silk bundle of degumming after drying.
By the silk of degumming, with bath raio 1:40, immerse TiO 2 sol and fibroin
Soaking 30min in mixed solution, wherein the mass fraction of fibroin is 10%, titanium dioxide
The mass fraction of colloidal sol is 5%.Then being taken out by silk bundle, being soaked in mol ratio is 1:5's
Carboxylic acid is with the rush gel of polyethylene glycol, and the consumption promoting gel is mixed liquor volume
1/50, take out after fibroin gel, obtain the silk of Gel Treatment.
After the silk bundle of Gel Treatment is removed the gel of excess surface, pressurize with heating roller,
35 DEG C are heating and curing, and are 16/cm through density, and aperture is after 0.15mm spun lacing processes,
70-80 DEG C of drying, obtaining thickness is 2.5cm, and porosity is the Multifunction silk mistake of 33%
Filtering material.
The adsorption rate of Multifunctional silk filtering material prepared by embodiment 1-6, air penetrability, anti-
Bacterium property and mechanical properties results are as shown in the table:
From above-mentioned data, the performance of Multifunctional silk filtering material prepared by this method is excellent
Different, adsorptivity and gas permeability are all fine, and antibacterial bacteriostatic, good mechanical property is the most durable.
Claims (10)
1. the preparation method of a Multifunctional silk filtering material, it is characterised in that the method comprises the following steps:
(1), after useless silk being gone the removal of impurity, the give up length of silk of cutting is to below 6cm, and then with the sodium carbonate liquor degumming of 0.08g/L, washing obtains the silk bundle of degumming after drying；
(2) the silk bundle of degumming step (1) obtained immerses TiO 2 sol and immersion in the mixed solution of fibroin, and bath raio is 1:40, then impregnated in rush gel, takes out, obtain the silk bundle of gel after fibroin gel；
(3) after the silk bundle of gel step (2) obtained removes the gel of excess surface, use heating roller cure under pressure, dry through spun lacing, obtain Multifunctional silk filtering material.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the leftover bits and pieces that useless silk is silk described in step (1).
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that in the mixed solution described in step (2), the mass fraction of fibroin is 10-15%, the mass fraction of TiO 2 sol is 5-8%.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the time of the immersion described in step (2) is 30-60min.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the mixture that rush gel is carboxylic acid and polyethylene glycol described in step (2), carboxylic acid is 1:5 with the mol ratio of polyethylene glycol.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the volume promoting gel described in step (2) is the 1/50 of the TiO 2 sol mixed solution with fibroin.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the temperature of the solidification described in step (3) is 30-50 DEG C, after cure under pressure, the thickness of silk bundle is 1-3cm.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the liquid drugs injection aperture of the spun lacing described in step (3) is 0.15mm, the density of liquid drugs injection is 16/cm.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the temperature of the drying described in step (3) is 70-80 DEG C.
The preparation method of a kind of Multifunctional silk filtering material the most as claimed in claim 1, it is characterised in that the porosity of the Multifunctional silk filtering material described in step (3) is 25-33%.
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| CN201510055874.1A CN104611913B (en) | 2015-02-03 | 2015-02-03 | A kind of preparation method of Multifunctional silk filtering material |
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| CN104611913B true CN104611913B (en) | 2016-09-07 |
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| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| 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 |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Inventor after: Chen Hongyu Inventor before: Chen Yonglin |
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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. |
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