CN113463275A - Light-cured glass wool felt and preparation method thereof - Google Patents
Light-cured glass wool felt and preparation method thereof Download PDFInfo
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- CN113463275A CN113463275A CN202110722456.9A CN202110722456A CN113463275A CN 113463275 A CN113463275 A CN 113463275A CN 202110722456 A CN202110722456 A CN 202110722456A CN 113463275 A CN113463275 A CN 113463275A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/587—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4209—Inorganic fibres
- D04H1/4218—Glass fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D04H1/645—Impregnation followed by a solidification process
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
- D04H1/655—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions characterised by the apparatus for applying bonding agents
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention provides a light-cured glass cotton felt and a preparation method thereof, wherein the glass cotton felt comprises the following components in parts by weight: 100 parts of glass wool felt and 2-20 parts of softening adhesive; the softening adhesive comprises the following components in parts by weight: 80-90 parts of curing resin, 12-20 parts of emulsifier, 0.6-1.2 parts of photoinitiator, 14-20 parts of softener, 3-5 parts of silica sol and 60-80 parts of softened water; the curing resin is bisphenol A epoxy acrylate RJ 313; the emulsifier is water-based epoxy acrylate. The light-cured glass wool felt is produced by the steps of synthesizing a prepolymer, preparing an emulsifier, preparing a cured resin emulsion, preparing silica sol, preparing an adhesive, spraying the adhesive and curing by ultraviolet light. According to the invention, the silica sol and the softness are added, so that the softness of the glass cotton felt is improved, the volume weight of the cotton felt can be improved by selecting an atomized spraying mode, and the mechanical property and the softness of the cotton felt are improved.
Description
Technical Field
The invention belongs to the field of glass fiber cotton modification, and particularly relates to a photocuring glass cotton felt and a preparation method thereof.
Background
Glass wool is a short, glassy, cotton-like fiber belonging to one of the classes of mineral wool. The glass wool is prepared by melting silicate or recycled glass as a raw material at high temperature and then fiberizing. The glass wool felt is a loose and porous felt-like material obtained by applying a binder to glass wool and then curing the glass wool, and is widely applied to the fields of heat preservation and sound absorption.
Research shows that under the condition that the volume weight of the glass wool felt is smaller, the heat conductivity coefficient of the glass wool felt is reduced along with the increase of the volume weight, so that the increase of the volume weight of the glass wool felt is beneficial to improving the heat insulation performance. The hardness of the currently common glass wool felt is high due to the use of the binder, so that the hardness of the generally prepared glass wool felt is also high, and the hardness of the glass wool felt is higher along with the increase of the content of the binder, so that the heat preservation and sound absorption performance is poorer. Therefore, how to produce the glass wool felt with higher volume weight, better flexibility and excellent heat preservation and sound absorption performance becomes a problem which needs to be solved urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the photocuring glass wool felt and the preparation method thereof, and the glass wool felt which is high in volume weight, good in flexibility and excellent in heat preservation and sound absorption performance can be produced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the light-cured glass wool felt comprises the following components in parts by weight: 100 parts of glass wool felt and 2-20 parts of softening adhesive;
the softening adhesive comprises the following components in parts by weight: 80-90 parts of curing resin, 12-20 parts of emulsifier, 0.6-1.2 parts of photoinitiator, 14-20 parts of softener, 3-5 parts of silica sol and 60-80 parts of softened water;
the curing resin is bisphenol A epoxy acrylate RJ313 which has the advantages of high curing speed, strong corrosion resistance and the like;
the emulsifier is water-based epoxy acrylate.
Preferably, the glass fiber diameter of the glass cotton felt is 1-8 μm, and the thickness of the cotton felt is 10-30 mm.
Preferably, the adhesive comprises the following components in parts by weight: 85 parts of curing resin, 15 parts of emulsifier, 1 part of photoinitiator, 16 parts of softener, 4 parts of silica sol and 70 parts of softened water.
Preferably, the photoinitiator is one or more of photoinitiator TPO, photoinitiator TPO-L, photoinitiator UV1173, photoinitiator UV907 and photoinitiator 2959.
Preferably, the softening agent is one or more of nitrile rubber, styrene butadiene rubber, epoxy resin, polyvinyl alcohol and hydroxyethyl acrylate.
Preferably, the silica sol comprises the following components in parts by weight: 30 parts of ethyl orthosilicate, 7 parts of dimethyl diethoxysilane, 80 parts of absolute ethyl alcohol, 20 parts of softened water and 40 parts of gamma-methacryloxypropyl trimethoxysilane.
Preferably, the method comprises the following preparation steps:
(1) synthesis of prepolymer: under the protection of dry nitrogen, adding 24 parts of isobutylene alcohol polyoxyethylene ether and 1 part of maleic anhydride by mass into a triangular flask with a reflux condenser tube, adding 55 parts of 1, 4-dioxane solvent, stirring and reacting for 8 hours under the condition of 90 ℃ oil bath, and then rotationally evaporating to remove the solvent to obtain polyether hydrophilic prepolymer;
(2) preparing an emulsifier: under the protection of dry nitrogen, adding 50 parts of prepolymer prepared in the step (1), 9 parts of curing resin and 140 parts of 1, 4-dioxane into a triangular flask provided with a reflux condenser tube and a thermometer, heating to 90 ℃, carrying out reflux stirring reaction for 8 hours, and then carrying out rotary evaporation to remove the solvent to obtain the water-based epoxy acrylate self-emulsifying agent;
(3) preparing a cured resin emulsion: stirring the emulsifier, the curing resin, the photoinitiator and the softened water obtained in the step (2) for 3min under the condition of 10000r/min according to the proportion, and uniformly dispersing to obtain a curing resin emulsion;
(4) preparing silica sol: adding 30 parts of ethyl orthosilicate, 7 parts of dimethyl diethoxysilane, 80 parts of absolute ethyl alcohol and 20 parts of softened water into a three-neck flask with condensation reflux, stirring and mixing for 5min, adjusting the pH to 4-5 by using a dilute hydrochloric acid solution, carrying out hydrolysis reaction for 1.5h at 40 ℃, then heating to 60 ℃, slowly dropwise adding 40 parts of gamma-methacryloxypropyl trimethoxysilane, reacting for 2h, and carrying out rotary evaporation to remove 70% of solvent, thus obtaining silica sol;
(5) preparing an adhesive: uniformly stirring and mixing the cured resin emulsion, the softening agent and the silica sol obtained in the step (3) at normal temperature to obtain an adhesive;
(6) spraying an adhesive: spreading a glass wool felt on a bottom plate, and uniformly spraying the atomized adhesive on the surface of the glass wool felt according to the proportion;
(7) ultraviolet light curing: and (3) irradiating for 30-40 seconds under ultraviolet light for curing to obtain the photocuring glass wool felt.
Preferably, 0.1 part of tetrabutylammonium bromide is also added as a catalyst in step (2).
Preferably, in the step (7), an ultraviolet lamp with the ultraviolet light of 100W/cm is used for irradiation, and the irradiation distance is 150 mm.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the softening agent is added into the glass cotton felt adhesive, the solidified resin is emulsified by using the emulsifier, and then the silicon element is added, so that the toughness and the flexibility of the adhesive can be improved, and the solidified glass cotton felt has good curling performance;
(2) according to the invention, bisphenol A epoxy acrylate RJ313 is used as curing resin, the epoxy acrylate has the advantages of high curing speed, strong corrosion resistance and the like, and has a good emulsifying effect with a water-based epoxy acrylate emulsifier, the dispersion is uniform, and the stability of the glass wool felt is better;
(3) according to the invention, the atomized adhesive is adopted to spray the glass wool felt, the adhesive can well enter the gaps of the glass fibers, the porosity of the glass wool felt can be reduced, the volume weight is improved, and the thermal insulation performance is improved.
Detailed Description
The present invention is further described in detail below with reference to specific examples so that those skilled in the art can more clearly understand the present invention.
Example 1
The light-cured glass wool felt and the preparation method thereof are prepared by the following steps:
(1) synthesis of prepolymer: under the protection of dry nitrogen, adding 24 parts of isobutylene alcohol polyoxyethylene ether and 1 part of maleic anhydride by mass into a triangular flask with a reflux condenser tube, adding 55 parts of 1, 4-dioxane solvent, stirring and reacting for 8 hours under the condition of 90 ℃ oil bath, and then rotationally evaporating to remove the solvent to obtain polyether hydrophilic prepolymer;
(2) preparing an emulsifier: under the protection of dry nitrogen, adding 50 parts of prepolymer prepared in the step (1), 9 parts of curing resin, 140 parts of 1, 4-dioxane and 0.1 part of tetrabutylammonium bromide into a triangular flask provided with a reflux condenser tube and a thermometer, heating to 90 ℃, carrying out reflux stirring reaction for 8 hours, and then carrying out rotary evaporation to remove the solvent to obtain the water-based epoxy acrylate self-emulsifying agent;
(3) preparing a cured resin emulsion: stirring 80 parts of the cured resin obtained in the step (2), 19 parts of emulsifier, 1.2 parts of photoinitiator and 62 parts of softened water for 3min under the condition of 10000r/min according to the proportion, and uniformly dispersing to obtain cured resin emulsion;
(4) preparing silica sol: adding 30 parts of ethyl orthosilicate, 7 parts of dimethyl diethoxysilane, 80 parts of absolute ethyl alcohol and 20 parts of softened water into a three-neck flask with condensation reflux, stirring and mixing for 5min, adjusting the pH to 4-5 by using a dilute hydrochloric acid solution, carrying out hydrolysis reaction for 1.5h at 40 ℃, then heating to 60 ℃, slowly dropwise adding 40 parts of gamma-methacryloxypropyl trimethoxysilane, reacting for 2h, and carrying out rotary evaporation to remove 70% of solvent, thus obtaining silica sol;
(5) preparing an adhesive: uniformly stirring and mixing 150 parts of the cured resin emulsion in the step (3), 19 parts of styrene-butadiene rubber softener and 3 parts of silica sol at normal temperature according to a ratio to obtain an adhesive;
(6) spraying an adhesive: spreading a glass cotton felt with the thickness of 10mm on a bottom plate, and then uniformly spraying atomized adhesive on the surface of the glass cotton felt according to the proportion of 100 parts of the glass cotton felt and 4 parts of the adhesive;
(7) ultraviolet light curing: irradiating under an ultraviolet lamp of 100W/cm for 30s at an irradiation distance of 150mm to obtain the photocuring glass wool felt.
Example 2
The difference between this example and example 1 is:
tetrabutylammonium bromide is not added in the step (2);
the mass ratio of each component in the step (3) is as follows: 90 parts of curing resin, 12 parts of emulsifier, 0.6 part of photoinitiator and 78 parts of softened water;
the mass ratio of each component in the step (5) is as follows: 190 parts of cured resin emulsion, 14 parts of nitrile rubber softener and 5 parts of silica sol;
in the step (6), the thickness of the glass cotton felt is 30mm, the proportion is that the glass cotton felt is 100 parts, and the gelling agent is 19 parts;
the irradiation time in the step (7) is 40 s;
example 3
The difference between this example and example 1 is:
the mass ratio of each component in the step (3) is as follows: 85 parts of curing resin, 15 parts of emulsifier, 1 part of photoinitiator and 70 parts of softened water;
the mass ratio of each component in the step (5) is as follows: 171 parts of curing resin emulsion, 16 parts of epoxy resin softener and 4 parts of silica sol;
in the step (6), the thickness of the glass wool felt is 23mm, the proportion is that the glass wool felt is 100 parts, and the gelatinizing agent is 12 parts
The irradiation time in step (7) was 35 s.
Comparative example 1
The difference between this example and example 1 is:
the mass ratio of each component in the step (3) is as follows: 85 parts of curing resin, 15 parts of emulsifier, 1 part of photoinitiator and 70 parts of softened water;
the mass ratio of each component in the step (5) is as follows: 171 parts of cured resin emulsion and 4 parts of silica sol, and softening agent is not added;
in the step (6), the thickness of the glass wool felt is 8mm, the proportion is that the glass wool felt is 100 parts, and the gelatinizing agent is 2 parts
The irradiation time in step (7) was 45 s.
Comparative example 2
The difference between this example and example 1 is:
tetrabutylammonium bromide is not added in the step (2)
The mass ratio of each component in the step (3) is as follows: 85 parts of curing resin, 15 parts of emulsifier, 1 part of photoinitiator and 70 parts of softened water;
the mass ratio of each component in the step (5) is as follows: 171 parts of cured resin emulsion, 16 parts of epoxy resin softener and no added silica sol;
in the step (6), the thickness of the glass wool felt is 35mm, the proportion is that the glass wool felt is 100 parts, and the gelatinizing agent is 25 parts
The irradiation time in step (7) was 25 s.
Examples of the experiments
A common glass wool felt (non-flexible glass wool felt) with the thickness of 20mm sold in the market is selected to be compared with the glass wool felts in the examples 1-3 and the comparative examples 1-2, and the volume weight, the mechanical property and the flexibility of the glass wool felt are respectively tested, and the test results are as follows:
(1) volume weight of glass wool felt
Cutting each treated glass wool felt by 500mm multiplied by 500mm, measuring the thickness of the glass wool felt, weighing, calculating the volume weight of each treated glass wool felt, and obtaining the following results:
TABLE 1 bulk weight of each treated glass wool felt
| Treatment of | Volume weight |
| Commercially available product | 7.9kg/m3 |
| Example 1 | 8.6kg/m3 |
| Example 2 | 10.2kg/m3 |
| Example 3 | 9.5kg/m3 |
| Comparative example 1 | 8.1kg/m3 |
| Comparative example 2 | 10.5kg/m3 |
The results show that the spraying amount of the adhesive has great influence on the volume weight of the glass wool felt, and the volume weight of the glass wool felt produced by the scheme of the embodiment of the invention is great.
(2) Mechanical properties of glass wool felt
Selecting a Hounsfield H10KS universal material testing machine, testing the strength of the cotton felt by a non-notch right-angle method according to the specification of standard BMS 8-488.1, wherein the chucks at the top end and the bottom end of the sample are both 25 mm;
the strength values of the samples are the ratio of the maximum force to the thickness of the sample to crack in a direction parallel to the major axis of the sample, and the results are as follows:
TABLE 2 mechanical Properties of the treated glass wool mats
As can be seen from the results, the glass mats of examples 1-3 have tear strengths significantly higher than those of the commercial products and comparative examples 1-2, and excellent mechanical properties.
(3) Softness of glass wool felt
The bending rigidity and the compression ratio of each glass felt are measured to identify the flexibility, the smaller the bending rigidity is, the better the bending performance is, and the better the flexibility of the glass felt is; conversely, the greater the bending stiffness of the cotton felt, the less flexible it is. The greater the compressibility of the batt, the better the softness.
Wherein the flexural rigidity is measured using a tester in ASTM D5732, and the test piece has dimensions of 25mm by 200 mm; compressibility was measured by placing a 50g weight having a diameter of 5cm on a sample of 5 mm. times.55 mm and testing the compressibility of the glass wool felt. The results of testing several treated glass wool mats for flexural rigidity and compressibility were as follows:
TABLE 3 softness Properties of the treated glass mats
| Treatment of | Flexural rigidity (N.m) | Compression ratio (%) |
| Commercially available cotton felt | 2.10 | 25.8 |
| Example 1 | 1.54 | 33.1 |
| Example 2 | 1.27 | 36.9 |
| Example 3 | 0.81 | 46.4 |
| Comparative example 1 | 1.93 | 21.6 |
| Comparative example 2 | 1.76 | 32.5 |
As can be seen from the results, the glass wool mats of examples 1 to 3 had less bending stiffness and higher compressibility, indicating better softness.
From the results of tables 1-3, examples 1-3 are superior to the commercial products and comparative examples in terms of product volume weight, mechanical properties and softness properties, wherein example 3 has a larger volume weight and also shows the best mechanical properties and softness properties, and is the best example of the present invention.
The mechanisms, components and parts of the present invention which are not described in detail are all the existing structures which exist in the prior art. Can be purchased directly from the market.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The light-cured glass wool felt is characterized by being prepared from the following raw materials in parts by weight: 100 parts of glass wool felt and 2-20 parts of softening adhesive;
the softening adhesive comprises the following components in parts by weight: 80-90 parts of curing resin, 12-20 parts of emulsifier, 0.6-1.2 parts of photoinitiator, 14-20 parts of softener, 3-5 parts of silica sol and 60-80 parts of softened water;
the curing resin is bisphenol epoxy acrylate RJ 313;
the emulsifier is water-based epoxy acrylate.
2. The light-cured glass wool felt according to claim 1, wherein the glass fibers of the glass wool felt have a diameter of 1 to 8 μm and the thickness of the glass wool felt is 10 to 30 mm.
3. The light-cured glass wool felt according to claim 1, wherein the adhesive comprises the following components in parts by weight: 85 parts of curing resin, 15 parts of emulsifier, 1 part of photoinitiator, 16 parts of softener, 4 parts of silica sol and 70 parts of softened water.
4. The light-cured glass wool felt according to claim 1, wherein the photoinitiator is one or more of photoinitiator TPO, photoinitiator TPO-L, photoinitiator UV1173, photoinitiator UV907 and photoinitiator 2959.
5. The light-cured glass wool felt according to claim 1, wherein the softening agent is one or more of nitrile rubber, styrene butadiene rubber, epoxy resin, polyvinyl alcohol and hydroxyethyl acrylate.
6. The light-cured glass wool felt according to claim 1, wherein the silica sol comprises the following components in parts by weight: 30 parts of ethyl orthosilicate, 7 parts of dimethyl diethoxysilane, 80 parts of absolute ethyl alcohol, 20 parts of softened water and 40 parts of gamma-methacryloxypropyl trimethoxysilane.
7. A method for preparing a light-cured glass wool blanket according to any one of claims 1 to 6, comprising the following preparation steps:
(1) synthesis of prepolymer: under the protection of dry nitrogen, adding 24 parts of isobutylene alcohol polyoxyethylene ether and 1 part of maleic anhydride by mass into a triangular flask with a reflux condenser tube, adding 55 parts of 1, 4-dioxane solvent, stirring and reacting for 8 hours under the condition of 90 ℃ oil bath, and then rotationally evaporating to remove the solvent to obtain polyether hydrophilic prepolymer;
(2) preparing an emulsifier: under the protection of dry nitrogen, adding 50 parts of prepolymer prepared in the step (1), 9 parts of curing resin and 140 parts of 1, 4-dioxane into a triangular flask provided with a reflux condenser tube and a thermometer, heating to 90 ℃, carrying out reflux stirring reaction for 8 hours, and then carrying out rotary evaporation to remove the solvent to obtain the water-based epoxy acrylate self-emulsifying agent;
(3) preparing a cured resin emulsion: stirring the emulsifier, the curing resin, the photoinitiator and the softened water obtained in the step (2) for 3min under the condition of 10000r/min according to the proportion, and uniformly dispersing to obtain a curing resin emulsion;
(4) preparing silica sol: adding 30 parts of ethyl orthosilicate, 7 parts of dimethyl diethoxysilane, 80 parts of absolute ethyl alcohol and 20 parts of softened water into a three-neck flask with condensation reflux, stirring and mixing for 5min, adjusting the pH to 4-5 by using a dilute hydrochloric acid solution, carrying out hydrolysis reaction for 1.5h at 40 ℃, then heating to 60 ℃, slowly dropwise adding 40 parts of gamma-methacryloxypropyl trimethoxysilane, reacting for 2h, and carrying out rotary evaporation to remove 70% of solvent, thus obtaining silica sol;
(5) preparing an adhesive: uniformly stirring and mixing the cured resin emulsion, the softening agent and the silica sol obtained in the step (3) at normal temperature to obtain an adhesive;
(6) spraying an adhesive: spreading a glass wool felt on a bottom plate, and uniformly spraying the atomized adhesive on the surface of the glass wool felt according to the proportion;
(7) ultraviolet light curing: and (3) irradiating for 30-40 seconds under ultraviolet light for curing to obtain the photocuring glass wool felt.
8. The light-cured glass wool felt according to claim 7, wherein 0.1 part of tetrabutylammonium bromide is further added as a catalyst in the step (2).
9. A light-cured glass wool felt according to claim 7, wherein in step (7), the irradiation is carried out by an ultraviolet lamp with an ultraviolet light of 100W/cm at a distance of 150 mm.
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