CN109706737A - Based on the modified glass fibre guard glass fibre cotton and preparation method thereof with thermal insulation performance of bovine serum albumin(BSA) and graphene oxide - Google Patents
Based on the modified glass fibre guard glass fibre cotton and preparation method thereof with thermal insulation performance of bovine serum albumin(BSA) and graphene oxide Download PDFInfo
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- CN109706737A CN109706737A CN201910060424.XA CN201910060424A CN109706737A CN 109706737 A CN109706737 A CN 109706737A CN 201910060424 A CN201910060424 A CN 201910060424A CN 109706737 A CN109706737 A CN 109706737A
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- glass fibre
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Abstract
The invention discloses the glass fibre guard glass fibre cottons and preparation method thereof with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide, belong to heat-insulating material preparation field.The invention discloses the glass fibre guard glass fibre cotton with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide, the surface of thermal insulation fiber blanket is modified by bovine serum albumin(BSA) and graphene oxide, and density is 60~100kg/m3, room temperature thermal coefficient≤0.02W/mk, hot loading temperature >=700 DEG C further improve the heat-insulating property of conventional fiber glass Nomex, increase the safety used.The present invention also discloses the preparation method based on the modified glass fibre guard glass fibre cotton with thermal insulation performance of bovine serum albumin(BSA) and graphene oxide simultaneously, by simply infiltrating bovine serum albumin(BSA) and graphene oxide, the heat-insulating property of glass fibre guard glass fibre cotton can effectively be improved, preparation method is simple simultaneously, and manufacturing cycle is shorter.
Description
Technical field
The invention belongs to heat-insulating material preparation fields, and in particular to modified based on bovine serum albumin(BSA) and graphene oxide
Glass fibre guard glass fibre cotton and preparation method thereof with thermal insulation performance.
Background technique
Glass fibre (English original name are as follows: glass fiber or fiberglass) is a kind of inorganic non-gold haveing excellent performance
Belong to material, many kinds of, advantage is good insulating, heat resistance is strong, corrosion resistance is good, high mechanical strength, but the disadvantage is that property is crisp, resistance to
Mill property is poor.Glass fibre is typically used as the reinforcing material in composite material, electrically insulating material and heat-insulating material, circuit base
The national economy every field such as plate.
Glass fibre guard glass fibre cotton refers to be reticulated by glass fiber single filament intertexture, on-woven made of being solidified with resin binder
Object.Glass fibre guard glass fibre cotton mainly has the advantages that surfacing, good stability of the dimension, uniformity is good, calorific intensity is good, mould proof.Glass
Glass fiber blanket is generally divided into surface felt and (usually to improve surface effect, reduces influence of the woven design to surface, be by fiber original
Silk sprays)；Continuous felt (molding mode is sprayed with continuous fiber precursor)；(molding mode is chopped mat
It is sprayed with short fiber precursor).
Fiberglass needled mat is to be made after glass fibre is cut into certain length through processes such as sub-wire, Cheng Rong, needle thorns
The advanced felt with the performances such as insulation, heat-insulating, fire-preventing, noise reduction, air cleaning.According to physical principle, the pyroconductivity of gas
There are many air pockets inside small, outstanding heat insulation material matter.Even if fiberglass needled mat has countless fine gas, and fiber
Irregular alignment is presented, is splendid heat-barrier material, between 0.2~0.04W/mk of room temperature thermal coefficient；And due to glass fibers
The main component of dimension be silicide (accounting for 50% or more), have noninflammability, without deformation, without embrittlement, be various heat-insulated, fire proofing woods
Material, various heat transfers, the heat preservation of heat-storing device etc. have good purposes, in order to expand the application of fiberglass needled mat
Diameter increases heat-insulating property, improves safety, it is necessary to further modified to it.
Therefore the research glass fibre with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide
Blanket, while corresponding preparation method is provided with good market prospects.
Summary of the invention
In view of this, one of the objects of the present invention is to provide the tools modified based on bovine serum albumin(BSA) and graphene oxide
There is the glass fibre guard glass fibre cotton of thermal insulation performance；The second object of the present invention is to provide based on bovine serum albumin(BSA) and oxidation stone
The preparation method of the modified glass fibre guard glass fibre cotton with thermal insulation performance of black alkene.
For achieving the above object, the invention provides the following technical scheme:
1, the glass fibre guard glass fibre cotton with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide, institute
The surface for stating thermal insulation fiber blanket is modified by bovine serum albumin(BSA) and graphene oxide.
Preferably, the density of the thermal insulation fiber blanket is 60~100kg/m3, room temperature thermal coefficient≤0.02W/
Mk, hot loading temperature >=700 DEG C.
2, based on the modified glass fibre guard glass fibre cotton with thermal insulation performance of bovine serum albumin(BSA) and graphene oxide
Preparation method, the preparation method comprises the following steps:
(1) glass fibre guard glass fibre cotton pre-processes: it is cooling after first being calcined glass fibre guard glass fibre cotton, then it is placed in organic solvent
Then middle soaking and washing is added in the acid solution of 1~2.5mol/L and carries out hydroxylating processing, dries after being cleaned repeatedly with deionized water
It does spare；
(2) the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA): glass fibre guard glass fibre cotton pretreated in step (1) is soaked
Not 2~3h in bovine serum albumin solution, naturally dry after cleaning repeatedly；
(3) graphene oxide modification obtains thermal insulation glass fibre guard glass fibre cotton: preparation graphene oxide solution first, then
It takes out after the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA) obtained in step (2) is submerged 2~3h, cleans repeatedly, dry
Fiber blanket can be obtained.
Preferably, the cleaning solution used when the cleaning repeatedly is deionized water, and wash number is at 3 times or more.
Preferably, temperature when calcining described in step (1) is 200~300 DEG C, and the time of calcining is 100~200min.
Preferably, the time of the processing of hydroxylating described in step (1) is 70~120min.
Preferably, the concentration of graphene oxide solution described in step (3) is 0.5~1.0g/L.
The beneficial effects of the present invention are:
1, the invention discloses the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide
The surface of glass fiber blanket, thermal insulation fiber blanket is modified by bovine serum albumin(BSA) and graphene oxide, density 60
~100kg/m3, room temperature thermal coefficient≤0.02W/mk, hot loading temperature >=700 DEG C further improve traditional glass fibre
The heat-insulating property for tieing up Nomex increases safety when glass fibre guard glass fibre cotton uses.
2, the present invention uses bovine serum albumin(BSA) modified glass-fiber surface, can make the surface of glass fibre that positive electricity be presented
Lotus, so that negatively charged graphene oxide is made to be easier to be coated on fiberglass surfacing, thus further modified glass-fiber
Thermal insulation performance obtains thermal insulation fiber blanket；
3, the present invention also discloses simultaneously has thermal insulation based on what bovine serum albumin(BSA) and graphene oxide were modified
The preparation method of the glass fibre guard glass fibre cotton of energy can be effective by simply infiltrating bovine serum albumin(BSA) and graphene oxide
Improve the heat-insulating property of glass fibre guard glass fibre cotton, while preparation method is simple, manufacturing cycle is shorter.
Specific embodiment
Below by a preferred embodiment of the present invention will be described in detail.The experiment of actual conditions is not specified in embodiment
Method, usually according to conventional conditions or according to the manufacturer's recommendations.
Embodiment 1
1, glass fibre guard glass fibre cotton pre-processes: glass fibre guard glass fibre cotton being calcined 200min, calcining knot under the conditions of 200 DEG C first
It is drawn off carrying out natural cooling after beam, then is placed in soaking and washing 0.3h in the organic solvent of dehydrated alcohol, 1mol/ is then added
Hydroxylating is carried out in the hydrochloric acid solution of L and handles 120min, and hydroxylating after treatment is dried after cleaning 3 times repeatedly with deionized water
It does spare；
2, the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA): glass fibre guard glass fibre cotton pretreated in step (1) is soaked
The not 2h in bovine serum albumin solution takes out naturally dry after cleaning 3 times repeatedly with deionized water；
3, graphene oxide modification obtains thermal insulation glass fibre guard glass fibre cotton: preparation mass-volume concentration is 1.0g/L first
Graphene oxide water solution, the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA) obtained in step (2) is then submerged into 3h
After take out, taken out after cleaning 3 times repeatedly with deionized water, drying thermal insulation glass fibre guard glass fibre cotton can be obtained.
Test the thermal insulation glass fibre guard glass fibre cotton being prepared, density 60kg/m3, room temperature thermal coefficient is
0.019 W/mk, hot loading temperature are 700 DEG C.
Embodiment 2
1, glass fibre guard glass fibre cotton pre-processes: glass fibre guard glass fibre cotton being calcined 150min, calcining knot under the conditions of 250 DEG C first
It is drawn off carrying out natural cooling after beam, then is placed in soaking and washing 0.5h in the organic solvent of acetone, 2.0m ol/L is then added
Hydrochloric acid solution in carry out hydroxylating and handle 100min, hydroxylating after treatment dries after cleaning 3 times repeatedly with deionized water
It is spare；
2, the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA): glass fibre guard glass fibre cotton pretreated in step (1) is soaked
The not 2.5h in bovine serum albumin solution takes out naturally dry after cleaning 4 times repeatedly with deionized water；
3, graphene oxide modification obtains thermal insulation glass fibre guard glass fibre cotton: preparation mass-volume concentration is 0.8g/L first
Graphene oxide acetone soln, then the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA) obtained in step (2) is submerged
It takes out after 2.5h, is taken out after cleaning 4 times repeatedly with deionized water, thermal insulation glass fibre guard glass fibre cotton can be obtained in drying.
Test the thermal insulation glass fibre guard glass fibre cotton being prepared, density 80kg/m3, room temperature thermal coefficient
0.014W/mk, hot loading temperature are 712 DEG C.
Embodiment 3
1, glass fibre guard glass fibre cotton pre-processes: glass fibre guard glass fibre cotton being calcined 100min, calcining knot under the conditions of 300 DEG C first
It is drawn off carrying out natural cooling after beam, then is placed in soaking and washing 0.6h in the organic solvent of tetrahydrofuran, be then added
Hydroxylating is carried out in the hydrochloric acid solution of 2.5mol/L and handles 70min, and hydroxylating after treatment cleans 5 with deionized water repeatedly
It is dried for standby after secondary；
2, the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA): glass fibre guard glass fibre cotton pretreated in step (1) is soaked
The not 3h in bovine serum albumin solution takes out naturally dry after cleaning 3 times repeatedly with deionized water；
3, graphene oxide modification obtains thermal insulation glass fibre guard glass fibre cotton: preparation mass-volume concentration is 1.0g/L first
Graphene oxide dimethyl sulphoxide solution, the then glass fibre cotton that bovine serum albumin(BSA) obtained in step (2) is modified
It takes out after felt submergence 2, is taken out after cleaning 3 times repeatedly with deionized water, thermal insulation glass fibre guard glass fibre cotton can be obtained in drying.
Test the thermal insulation glass fibre guard glass fibre cotton being prepared, density 72.5kg/m3, room temperature thermal coefficient is
0.011 W/mk, hot loading temperature are 721 DEG C.
Embodiment 4
1, glass fibre guard glass fibre cotton pre-processes: glass fibre guard glass fibre cotton being calcined 120min, calcining knot under the conditions of 280 DEG C first
Be drawn off carrying out natural cooling after beam, then be placed in soaking and washing 0.4h in the organic solvent of n,N dimethylformamide, then plus
Enter to carry out hydroxylating processing 90min in the hydrochloric acid solution of 1.5mol/L, hydroxylating after treatment cleans 3 with deionized water repeatedly
It is dried for standby after secondary；
2, the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA): glass fibre guard glass fibre cotton pretreated in step (1) is soaked
The not 2.5h in bovine serum albumin solution takes out naturally dry after cleaning 3 times repeatedly with deionized water；
3, graphene oxide modification obtains thermal insulation glass fibre guard glass fibre cotton: preparation mass-volume concentration is 0.7g/L first
Graphene oxide dimethyl sulphoxide solution, the then glass fibre cotton that bovine serum albumin(BSA) obtained in step (2) is modified
It takes out, is taken out after cleaning 3 times repeatedly with deionized water, thermal insulation glass fibre guard glass fibre cotton can be obtained in drying after felt submergence 3h.
Test the thermal insulation glass fibre guard glass fibre cotton being prepared, density 90.7kg/m3, room temperature thermal coefficient is
0.018 W/mk, hot loading temperature are 715 DEG C.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
1. based on the modified glass fibre guard glass fibre cotton with thermal insulation performance of bovine serum albumin(BSA) and graphene oxide, feature
It is, the surface of the thermal insulation fiber blanket is modified by bovine serum albumin(BSA) and graphene oxide.
2. the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide according to claim 1
Glass fiber blanket, which is characterized in that the density of the thermal insulation fiber blanket is 60~100kg/m3, room temperature thermal coefficient≤
0.02W/mk, hot loading temperature >=700 DEG C.
3. there is thermal insulation based on what bovine serum albumin(BSA) and graphene oxide were modified described in any one of claim 1~2
The preparation method of the glass fibre guard glass fibre cotton of energy, which is characterized in that the preparation method comprises the following steps:
(1) glass fibre guard glass fibre cotton pre-processes: it is cooling after first being calcined glass fibre guard glass fibre cotton, then be placed in organic solvent into
Row 0.3~0.6h of soaking and washing, is then added in the acid solution of 1~2.5mol/L and carries out hydroxylating processing, and after treatment is anti-
It is dried for standby after multiple cleaning；
(2) the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA): pretreated glass fibre guard glass fibre cotton in step (1) is immersed in
2~3h in bovine serum albumin solution, naturally dry after cleaning repeatedly；
(3) graphene oxide modification obtains thermal insulation glass fibre guard glass fibre cotton: preparation graphene oxide solution first, then will step
Suddenly the modified glass fibre guard glass fibre cotton of bovine serum albumin(BSA) obtained in (2) is taken out after submerging 2~3h, cleans repeatedly, drying
Obtain fiber blanket.
4. the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide according to claim 3
The preparation method of glass fiber blanket, which is characterized in that the cleaning solution used when the cleaning repeatedly is deionized water, wash number
At 3 times or more.
5. the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide according to claim 3
The preparation method of glass fiber blanket, which is characterized in that temperature when calcining described in step (1) is 200~300 DEG C, calcining
Time is 100~200min.
6. the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide according to claim 3
The preparation method of glass fiber blanket, which is characterized in that organic solvent described in step (1) is dehydrated alcohol, acetone, tetrahydrofuran
Or any one or a few the mixture in n,N dimethylformamide.
7. the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide according to claim 3
The preparation method of glass fiber blanket, which is characterized in that acid solution described in step (1) is hydrochloric acid solution.
8. the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide according to claim 3
The preparation method of glass fiber blanket, which is characterized in that the time of the processing of hydroxylating described in step (1) is 70~120min.
9. the glass with thermal insulation performance modified based on bovine serum albumin(BSA) and graphene oxide according to claim 3
The preparation method of glass fiber blanket, which is characterized in that the concentration of graphene oxide solution described in step (3) is 0.5~1.0g/
L。
10. according to claim 3 based on bovine serum albumin(BSA) and graphene oxide it is modified with thermal insulation performance
The preparation method of glass fibre guard glass fibre cotton, which is characterized in that the solvent of graphene oxide solution described in step (3) is water, acetone
Or dimethyl sulfoxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910060424.XA CN109706737A (en) | 2019-01-22 | 2019-01-22 | Based on the modified glass fibre guard glass fibre cotton and preparation method thereof with thermal insulation performance of bovine serum albumin(BSA) and graphene oxide |
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| CN201910060424.XA CN109706737A (en) | 2019-01-22 | 2019-01-22 | Based on the modified glass fibre guard glass fibre cotton and preparation method thereof with thermal insulation performance of bovine serum albumin(BSA) and graphene oxide |
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| CN112442282A (en) * | 2019-09-01 | 2021-03-05 | 南京航空航天大学 | Graphene-coated glass wool felt resin composite plate and preparation method thereof |
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