CN115851091B - Toughened glass with high impact strength and preparation method thereof - Google Patents
Toughened glass with high impact strength and preparation method thereof Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses toughened glass with high impact strength and a preparation method thereof, comprising planar glass and spray coating layers sprayed on two opposite sides of the planar glass; the spray coating is prepared from the following raw materials in parts by weight: modified polyurethane resin: 30-40 parts of a lubricant; modified polyethylene terephthalate resin: 20-30 parts of a lubricant; glycerol: 10-20 parts of a lubricant; diatomaceous earth: 8-18 parts; rubber oil: 5-10 parts; crosslinking agent: 2-8 parts; emulsifying agent: 2-8 parts; other auxiliaries: 0-10 parts; the modified polyurethane resin is prepared by modifying polyurethane, methyl ethyl ketone, nano zirconia and glycerin. The application has the effect of improving the impact strength of the toughened glass.
Description
Technical Field
The invention relates to the field of glass, in particular to toughened glass with high impact strength and a preparation method thereof.
Background
The toughened glass is a kind of pre-stress glass, and for raising the strength of glass, chemical or physical method is used to form compressive stress on the surface of glass, and the surface stress is first counteracted when the glass bears external force, so as to raise the bearing capacity and raise the wind pressure resistance, summer and cold resistance of the glass.
In the glass tempering method, glass is quenched and tempered, tempering treatment of the glass is completed, and the obtained tempered glass compressive stress can meet actual requirements, but has poor shock resistance.
Disclosure of Invention
In order to improve the impact strength of toughened glass, the application provides toughened glass with high impact strength and a preparation method thereof.
In a first aspect, the present application provides a tempered glass having high impact strength.
The toughened glass with high impact strength provided by the application adopts the following technical scheme:
the toughened glass with high impact strength comprises planar glass and spray coating layers (2) sprayed on two opposite sides of the planar glass; the spray coating (2) is prepared from the following raw materials in parts by weight:
modified polyurethane resin: 30-40 parts of a lubricant;
modified polyethylene terephthalate resin: 20-30 parts of a lubricant;
glycerol: 10-20 parts of a lubricant;
diatomaceous earth: 8-18 parts;
rubber oil: 5-10 parts;
crosslinking agent: 2-8 parts;
emulsifying agent: 2-8 parts;
other auxiliaries: 0-10 parts;
the modified polyurethane resin is prepared by modifying polyurethane, methyl ethyl ketone, nano zirconia and glycerin.
Through adopting above-mentioned technical scheme, this application sprays the spray coating in planar glass's both sides, the even coating of spray coating is planar glass surface again, form multilayer structure, make toughened glass have good shock resistance, carry out the modification to polyurethane resin in the raw materials of spray coating, through methyl ethyl ketone, nanometer zirconia and glycerine to polyurethane resin modification, methyl ethyl ketone and glycerine make nanometer zirconia can adhere to on polyurethane resin, polyurethane resin after the modification mixes with modified polyethylene terephthalate resin again, diatomaceous earth, glycerol and rubber oil, make each component all have good compatibility, wherein modified polyurethane, modified polyethylene terephthalate and diatomaceous earth have synergistic enhancement, the spray coating of preparing after the compound, the spray coating spraying is on toughened glass, further improved glass's shock resistance.
Preferably, the preparation method of the modified polyurethane comprises the following steps: mixing and stirring 15-25 parts by weight of polyurethane, 8-16 parts by weight of nano zirconia and 10-30 parts by weight of glycerol uniformly, adding 6-10 parts by weight of methyl ethyl ketone while stirring, continuously stirring, and drying to obtain the modified polyurethane resin; the weight ratio of methyl ethyl ketone to nano zirconia to glycerin is 1: (2.5-2.8): (0.8-0.9).
Through adopting above-mentioned technical scheme, this application is through methyl ethyl ketone, nanometer zirconia and glycerin to polyurethane resin modification, makes the polyurethane after the modification can further improve the impact strength of spraying layer, when methyl ethyl ketone, nanometer zirconia and glycerin when specific weight ratio, can reduce the surface tension of spraying layer, makes modified polyurethane resin more easily wet on plane glass surface, spreads, bond reinforcing adhesive force, can increase polyurethane resin's adhesive force, and then improves spraying layer's intensity and acid resistance.
Preferably, the modified polyethylene terephthalate resin is prepared by modifying polyethylene terephthalate, xanthan gum, lecithin and ethanol, and the preparation method of the modified polyethylene terephthalate resin comprises the following steps: adding 10-20 parts by weight of xanthan gum and 5-10 parts by weight of lecithin into 20-40 parts by weight of ethanol, uniformly stirring, and then adding 10-18 parts by weight of polyethylene terephthalate resin for ultrasonic vibration to obtain the modified polyethylene terephthalate resin; the weight ratio of the polyethylene glycol terephthalate resin to the xanthan gum to the lecithin is (2-2.4): (1.6-1.9): 1.
through adopting above-mentioned technical scheme, this application adopts xanthan gum, lecithin and ethanol to modify polyethylene terephthalate, can improve toughened glass's shock resistance, when polyethylene terephthalate resin, xanthan gum and lecithin are at specific weight ratio, ethanol is as solvent, xanthan gum and lecithin combine with polyethylene terephthalate, when making the spraying layer spraying on planar glass, modified polyethylene terephthalate appears crystalline particles, xanthan gum and lecithin film formation on polyethylene terephthalate, crystalline particles form intensive concave convex points on glass surface, form the hole, and then improve glass surface's luminousness.
Preferably, the weight ratio of the modified polyurethane resin to the modified polyethylene terephthalate resin to the diatomite is (1.4-1.6): 1: (0.3-0.4).
By adopting the technical scheme, when the modified polyurethane resin, the modified polyethylene terephthalate resin and the diatomite are in a specific weight ratio, the shock resistance of the toughened glass is improved to a certain extent, and meanwhile, the light transmittance of the glass can be improved.
Preferably, the other auxiliary agents comprise the following raw materials in parts by weight: sodium alginate: 5-10 parts; sodium lauryl sulfate: 3-7 parts.
Through adopting above-mentioned technical scheme, sodium alginate, sodium laurylsulfate are added to this application, and sodium alginate evenly disperses in the spraying layer to sodium laurylsulfate makes, improves bonding effect between each raw materials of spraying layer, and then improves toughened glass's impact strength.
Preferably, the weight ratio of the rubber oil to the sodium alginate to the sodium laurylsulfate is 1: (1-1.2): (0.5-0.7).
Through adopting above-mentioned technical scheme, when rubber oil, sodium alginate and sodium laurylsulfate are at specific ratio, improve the roughness, the smoothness on glass surface for toughened glass is thinner, has better luminousness.
Preferably, the crosslinking agent comprises one of dicumyl peroxide, benzoyl peroxide and diethylenetriamine; the emulsifier comprises one of sodium dodecyl sulfate and sodium dodecyl benzene sulfonate.
By adopting the technical scheme, the cross-linking agent and the emulsifying agent can be adopted to ensure that the impact strength of the prepared toughened glass is higher after the spray coating is sprayed on the planar glass.
In a second aspect, the present application provides a method for preparing tempered glass with high impact strength, which adopts the following technical scheme:
a preparation method of toughened glass with high impact strength comprises the following steps:
s1, uniformly stirring modified polyurethane resin, modified polyethylene glycol terephthalate resin, a cross-linking agent and diatomite, then adding rubber oil, glycerol and other auxiliary agents, heating and stirring, and then adding an emulsifying agent to obtain a spraying liquid;
s2, placing the planar glass into a tempering furnace, heating to the tempering temperature, rapidly cooling, spraying the spraying liquid on two sides of the planar glass uniformly to obtain a spraying layer, and cooling to the room temperature to obtain the tempered glass with high impact strength.
By adopting the technical scheme, the plane glass is toughened firstly, and then the spraying layers are sprayed on the two sides of the glass, so that the toughened glass with high impact strength is obtained.
Preferably, in step S2, the temperature is rapidly reduced to 200-220 ℃.
By adopting the technical scheme, after the toughened glass is heated, the toughened glass is rapidly cooled to the temperature and then sprayed with the spray coating, so that the spray coating is adhered to the planar glass more firmly, and the toughened glass with high impact strength is prepared.
In summary, the present application includes the following beneficial technical effects:
1. according to the method, the spraying layers are sprayed on two sides of the planar glass, the spraying layers are uniformly coated on the surface of the planar glass to form a multi-layer structure, so that the toughened glass has good impact resistance, polyurethane resin is modified in raw materials of the spraying layers, the polyurethane resin is modified by methyl ethyl ketone, nano zirconia and glycerin, the methyl ethyl ketone and the glycerin enable the nano zirconia to be attached to the polyurethane resin, the modified polyurethane resin is mixed with modified polyethylene terephthalate resin, diatomite, glycerol and rubber oil, all components have good compatibility, the modified polyurethane, the modified polyethylene terephthalate and the diatomite have a synergistic enhancement effect, and the spraying layers prepared after compounding are sprayed on the toughened glass, so that the impact resistance of the glass is further improved;
2. according to the modified polyurethane resin, the polyurethane resin is modified through the methyl ethyl ketone, the nano zirconia and the glycerol, so that the impact strength of the sprayed coating can be further improved, when the methyl ethyl ketone, the nano zirconia and the glycerol are in a specific weight ratio, the surface tension of the sprayed coating can be reduced, the modified polyurethane resin is easier to wet, spread and bond on the surface of the planar glass, the adhesive force can be enhanced, the adhesive force of the polyurethane resin can be increased, and the strength and the wear resistance of the sprayed coating are further improved;
3. according to the modified polyethylene terephthalate, the xanthan gum, the lecithin and the ethanol are used for modifying the polyethylene terephthalate, so that the shock resistance of toughened glass can be improved, when the polyethylene terephthalate resin, the xanthan gum and the lecithin are in a specific weight ratio, the ethanol is used as a solvent, the xanthan gum and the lecithin are combined with the polyethylene terephthalate, when a spray coating is sprayed on the planar glass, the modified polyethylene terephthalate is subjected to crystallization particles, the xanthan gum and the lecithin form a film on the polyethylene terephthalate, the crystallization particles form dense concave-convex points on the surface of the glass, the photorefractive effect is easy to generate, and the light transmittance of the surface of the glass is reduced.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of an embodiment of the present application.
Reference numerals illustrate:
1. a planar glass; 2. and (5) spraying a coating.
Detailed Description
The present application is described in further detail below in connection with examples and comparative examples.
Preparation example
Preparation example 1
A preparation method of modified polyethylene glycol terephthalate resin comprises the following steps:
10kg of xanthan gum and 5kg of lecithin are added into 20kg of ethanol, stirred for 3 hours at the temperature of 40 ℃ at the rotating speed of 100r/min, and then 10kg of polyethylene terephthalate resin is added, and the modified polyethylene terephthalate resin is obtained by ultrasonic oscillation for 1 hour at the temperature of 45 ℃.
Preparation example 2
A preparation method of modified polyethylene glycol terephthalate resin comprises the following steps:
20kg of xanthan gum and 10kg of lecithin are added into 40kg of ethanol, stirred for 3 hours at the temperature of 40 ℃ at the rotating speed of 100r/min, and then 20kg of polyethylene terephthalate resin is added, and the modified polyethylene terephthalate resin is obtained by using ultrasonic oscillation for 1 hour at the temperature of 45 ℃.
Preparation example 3
A preparation method of modified polyethylene glycol terephthalate resin comprises the following steps: the difference from preparation example 1 was that the amount of polyethylene terephthalate resin added was 15kg, the amount of xanthan gum added was 12kg, and the amount of lecithin added was 7.5kg.
Preparation example 4
A preparation method of modified polyethylene glycol terephthalate resin comprises the following steps: the difference from preparation example 1 was that the amount of polyethylene terephthalate resin charged was 18kg, the amount of xanthan gum charged was 14kg, and the amount of lecithin charged was 7.5kg.
Examples
Example 1
A preparation method of toughened glass with high impact strength comprises the following steps:
s1, uniformly stirring 30kg of modified polyurethane resin, 20kg of modified polyethylene terephthalate resin prepared in preparation example 1, 2kg of dicumyl peroxide crosslinking agent and 8kg of diatomite at a temperature of 60 ℃ and a rotating speed of 80r/min, then adding 5kg of rubber oil and 10kg of glycerol, heating and stirring, and then adding 2kg of sodium dodecyl sulfate emulsifier to obtain spraying liquid;
s2, referring to FIG. 1, placing the planar glass 1 into a tempering furnace for heating, controlling the tempering temperature to 650 ℃, taking out after heating for 2min, placing the planar glass 1 into a quenching chamber for rapid cooling, and when the temperature is reduced to 200 ℃, spraying the spraying liquid on two sides of the planar glass 1 uniformly to obtain a spraying layer 2, and after the planar glass 1 is naturally cooled to room temperature, obtaining tempered glass with high impact strength; the thickness of the planar glass 1 of the present application is 10mm.
The preparation method of the modified polyurethane resin comprises the following steps: 15kg of polyurethane, 8kg of nano zirconia and 10kg of glycerin are mixed and stirred for 10min at the rotating speed of 300r/min and the temperature of 40 ℃, 6kg of methyl ethyl ketone is added while stirring, stirring is continued for 10min, and the mixture is dried for 12h at the temperature of 50 ℃ to obtain the modified polyurethane.
Example 2
A preparation method of toughened glass with high impact strength comprises the following steps:
s1, uniformly stirring 40kg of modified polyurethane resin, 30kg of modified polyethylene terephthalate resin prepared in preparation example 1, 8kg of diethylenetriamine cross-linking agent and 18kg of diatomite at a temperature of 60 ℃ and a rotating speed of 80r/min, then adding 10kg of rubber oil and 20kg of glycerol, heating and stirring, and then adding 8kg of sodium dodecyl benzene sulfonate emulsifier to obtain spraying liquid;
s2, placing the planar glass 1 into a tempering furnace for heating, controlling the tempering temperature to be 650 ℃, taking out after heating for 2min, placing the planar glass 1 into a quenching chamber for rapid cooling, and when the temperature is reduced to 200 ℃, spraying the spraying liquid on two sides of the planar glass 1 uniformly to obtain a spraying layer 2, and naturally cooling the planar glass 1 to room temperature to obtain tempered glass with high impact strength; the thickness of the planar glass 1 of the present application is 10mm.
The preparation method of the modified polyurethane resin comprises the following steps: 15kg of polyurethane, 8kg of nano zirconia and 10kg of glycerin are mixed and stirred for 10min at the rotating speed of 300r/min and the temperature of 40 ℃, 6kg of methyl ethyl ketone is added while stirring, stirring is continued for 10min, and the mixture is dried for 12h at the temperature of 50 ℃ to obtain the modified polyurethane.
Example 3
A preparation method of toughened glass with high impact strength comprises the following steps:
s1, uniformly stirring 35kg of modified polyurethane resin, 25kg of modified polyethylene terephthalate resin prepared in preparation example 1, 5kg of benzoyl peroxide cross-linking agent and 18kg of diatomite at a temperature of 60 ℃ and a rotating speed of 80r/min, then adding 7.5kg of rubber oil and 15kg of glycerol, heating and stirring, and then adding 5kg of sodium dodecyl sulfate emulsifier to obtain a spraying liquid;
s2, placing the planar glass 1 into a tempering furnace for heating, controlling the tempering temperature to be 650 ℃, taking out after heating for 2min, placing the planar glass 1 into a quenching chamber for rapid cooling, and when the temperature is reduced to 200 ℃, spraying the spraying liquid on two sides of the planar glass 1 uniformly to obtain a spraying layer 2, and naturally cooling the planar glass 1 to room temperature to obtain tempered glass with high impact strength; the thickness of the planar glass 1 of the present application is 10mm.
The preparation method of the modified polyurethane resin comprises the following steps: 15kg of polyurethane, 8kg of nano zirconia and 10kg of glycerin are mixed and stirred for 10min at the rotating speed of 300r/min and the temperature of 40 ℃, 6kg of methyl ethyl ketone is added while stirring, stirring is continued for 10min, and the mixture is dried for 12h at the temperature of 50 ℃ to obtain the modified polyurethane.
Example 4
A method for producing a tempered glass having high impact strength, which is different from example 3 in that the modified polyethylene terephthalate resin produced in production example 1 is replaced with the modified polyethylene terephthalate resin produced in production example 2 in equal amount in S1.
Example 5
A method for producing a tempered glass having high impact strength, which is different from example 3 in that the modified polyethylene terephthalate resin produced in production example 1 is replaced with the modified polyethylene terephthalate resin produced in production example 3 in equal amount in S1.
Example 6
A method for producing a tempered glass having high impact strength, which is different from example 3 in that the modified polyethylene terephthalate resin produced in production example 1 is replaced with the modified polyethylene terephthalate resin produced in production example 4 in equal amount in S1.
Example 7
A method for producing tempered glass having high impact strength, which is different from example 6 in that in the process of producing a modified polyurethane resin, the amount of polyurethane charged was 25kg, the amount of nano-oxide charged was 16kg, the amount of glycerin charged was 30kg, and the amount of methyl ethyl ketone charged was 10kg.
Example 8
A method for producing tempered glass having high impact strength, which is different from example 6 in that in the process of producing a modified polyurethane resin, the nano-oxide high input amount is 10kg, the glycerol input amount is 25kg, and the methyl ethyl ketone input amount is 8kg.
Example 9
A method for producing tempered glass having high impact strength, which is different from example 6 in that in the process of producing a modified polyurethane resin, the nano-oxide high input amount is 10kg, the glycerol input amount is 28kg, and the methyl ethyl ketone input amount is 9kg.
Example 10
A method for producing tempered glass having high impact strength, which is different from example 9 in that the amount of modified polyurethane resin produced in production example 4 was 36kg, the amount of modified polyethylene terephthalate resin was 25kg, and the amount of diatomaceous earth was 9kg.
Example 11
A method for producing tempered glass having high impact strength, which is different from example 9 in that the amount of the modified polyurethane resin produced in production example 4 to be charged was 38kg, the amount of the modified polyethylene terephthalate resin to be charged was 25kg, and the amount of the diatomaceous earth to be charged was 10kg.
Example 12
A method for preparing toughened glass with high impact strength is different from example 11 in that in the step of S1, 35kg of modified polyurethane resin, 25kg of modified polyethylene terephthalate resin prepared in preparation example 4, 5kg of sodium alginate, 3kg of sodium lauryl sulfate, 5kg of cross-linking agent and 18kg of diatomite are uniformly stirred at a temperature of 60 ℃ and a rotating speed of 80r/min, then 7.5kg of rubber oil and 15kg of glycerol are added, heated and stirred, and then 5kg of emulsifying agent is added, so that the spraying liquid is obtained.
Example 13
A preparation method of toughened glass with high impact strength is different from example 11 in that in the step S1, 35kg of modified polyurethane resin, 25kg of modified polyethylene terephthalate resin prepared in preparation example 4, 10kg of sodium alginate, 7kg of sodium lauryl sulfate, 5kg of cross-linking agent and 18kg of diatomite are uniformly stirred at the temperature of 60 ℃ and the rotating speed of 80r/min, then 7.5kg of rubber oil and 15kg of glycerol are added, heated and stirred, and then 5kg of emulsifying agent is added, so that the spraying liquid is obtained.
Example 14
A method for producing tempered glass having high impact strength, which is different from example 11 in that in the step S1, the amount of rubber oil charged was 7.5kg, the amount of sodium alginate charged was 7.5kg, and the amount of sodium lauryl sulfate charged was 4kg.
Example 15
A method for producing tempered glass having high impact strength, which is different from example 11 in that in the step S1, the amount of rubber oil charged was 7.5kg, the amount of sodium alginate charged was 9kg, and the amount of sodium lauryl sulfate charged was 5kg.
Example 16
A method for producing tempered glass having high impact strength, which is different from example 11 in that in the step S1, the amount of rubber oil charged was 7.5kg, the amount of sodium alginate charged was 10kg, and the amount of sodium lauryl sulfate charged was 0kg.
Example 17
A method for producing tempered glass having high impact strength, which is different from example 13 in that in the step S1, the amount of rubber oil charged was 7.5kg, the amount of sodium alginate charged was 0kg, and the amount of sodium lauryl sulfate charged was 7kg.
Comparative example
Comparative example 1
A method for producing a tempered glass having high impact strength, which is different from example 1 in that the polyethylene terephthalate resin produced in production example 1 is replaced with a commercially available polyethylene terephthalate resin in the same amount.
Comparative example 2
A method for producing a tempered glass having high impact strength, which is different from example 1 in that the modified polyurethane resin is replaced with a commercially available polyurethane resin in an equivalent amount.
Comparative example 3
A method for producing tempered glass having high impact strength is different from example 1 in that diatomaceous earth is not added.
Comparative example 4
A method for producing a tempered glass having high impact resistance, which is different from example 1 in that the polyethylene terephthalate resin produced in production example 1 is replaced with a commercially available polyethylene terephthalate resin in equal amount; the modified polyurethane resin was replaced with a commercially available polyurethane resin in equal amounts.
Performance test:
impact strength: according to GB 15763.2-2005 part 2 of safety glass for construction: toughened glass the toughened glasses with high impact strength prepared in examples 1 to 17 and comparative examples 1 to 4 were tested.
Acid resistance: the acid resistance of the tempered glass produced in examples 1 to 17 and comparative examples 1 to 4 was tested according to GB/T7962.14-1987 acid resistance of colorless optical glass test method.
Light transmittance test: the toughened glass with high impact strength prepared in examples 1 to 17 and comparative examples 1 to 4 was tested according to GB/T40415-2021 method for testing transmittance of photovoltaic glass Assembly for building.
According to the preparation methods in examples 1-4 and comparative examples 1-4, the two sides of the planar glass are sprayed with the spray coating layers, the spray coating layers are uniformly coated on the surface of the planar glass to form a multi-layer structure, so that the toughened glass has good impact resistance, polyurethane resin is modified in raw materials of the spray coating layers, methyl ethyl ketone, nano zirconium oxide and glycerol are used for modifying the polyurethane resin, the methyl ethyl ketone and the glycerol enable the nano zirconium oxide to be attached to the polyurethane resin, the modified polyurethane resin is mixed with modified polyethylene terephthalate resin, diatomite, glycerol and rubber oil, so that all components have good compatibility, the modified polyurethane, the modified polyethylene terephthalate and the diatomite have synergistic enhancement effect, and the spray coating prepared after compounding is sprayed on the toughened glass, so that the impact resistance of the glass is further improved.
According to the data comparison of examples 3-6, the modified polyethylene terephthalate is modified by using xanthan gum, lecithin and ethanol, so that the impact resistance of toughened glass can be improved, when the polyethylene terephthalate resin, the xanthan gum and the lecithin are combined with the polyethylene terephthalate by using the ethanol as a solvent in a specific weight ratio, when the spray coating is sprayed on the planar glass, the modified polyethylene terephthalate has crystalline particles, the xanthan gum and the lecithin form a film on the polyethylene terephthalate, the crystalline particles form dense concave-convex points on the surface of the glass, and pores are formed, so that the light transmittance of the surface of the glass is improved.
According to the data comparison of the examples 6-9, the polyurethane resin is modified by methyl ethyl ketone, nano zirconium oxide and glycerin, so that the impact strength of the spray coating can be further improved by the modified polyurethane, when the methyl ethyl ketone, the nano zirconium oxide and the glycerin are in a specific weight ratio, the surface tension of the spray coating can be reduced, the modified polyurethane resin is easier to wet, spread and adhere on the surface of the planar glass, the adhesive force of the polyurethane resin can be improved, and the strength and the acid resistance of the spray coating are further improved.
According to the data comparison of examples 9-11, when the modified polyurethane resin, the modified polyethylene terephthalate resin and the diatomite are mixed in a specific weight ratio, the impact resistance of the toughened glass is improved to a certain extent, and the light transmittance of the glass can be improved.
According to the data comparison of the embodiments 11-17, sodium alginate, sodium laurylsulfate and sodium laurylsulfate are added in the toughened glass, so that the sodium alginate is uniformly dispersed in the spray coating, the bonding effect between the raw materials of the spray coating is improved, the impact strength of the toughened glass is further improved, and when the rubber oil, the sodium alginate and the sodium laurylsulfate are in a specific proportion, the flatness and the smoothness of the surface of the toughened glass are improved, so that the toughened glass is thinner and has better light transmittance.
The specific embodiments are illustrative only and not intended to be limiting, as modifications would be required to the embodiments after reading the present specification without inventive contribution, but would be protected by the patent laws within the scope of the claims of the present application.
Claims (6)
1. The toughened glass with high impact strength is characterized in that: comprises a planar glass (1) and a spraying layer (2) sprayed on two opposite sides of the planar glass (1); the spray coating (2) is prepared from the following raw materials in parts by weight:
modified polyurethane resin: 30-40 parts of a lubricant;
modified polyethylene terephthalate resin: 20-30 parts of a lubricant;
glycerol: 10-20 parts of a lubricant;
diatomaceous earth: 8-18 parts;
rubber oil: 5-10 parts;
crosslinking agent: 2-8 parts;
emulsifying agent: 2-8 parts;
other auxiliaries: 0-10 parts;
the modified polyurethane resin is prepared by modifying polyurethane, methyl ethyl ketone, nano zirconia and glycerol;
the preparation method of the modified polyurethane comprises the following steps: mixing and stirring 15-25 parts by weight of polyurethane, 8-16 parts by weight of nano zirconia and 10-30 parts by weight of glycerol uniformly, adding 6-10 parts by weight of methyl ethyl ketone while stirring, continuously stirring, and drying to obtain the modified polyurethane resin; the weight ratio of methyl ethyl ketone to nano zirconia to glycerin is 1: (2.5-2.8): (0.8-0.9);
the modified polyethylene terephthalate resin is prepared by modifying polyethylene terephthalate, xanthan gum, lecithin and ethanol, and the preparation method of the modified polyethylene terephthalate resin comprises the following steps: adding 10-20 parts by weight of xanthan gum and 5-10 parts by weight of lecithin into 20-40 parts by weight of ethanol, uniformly stirring, and then adding 10-18 parts by weight of polyethylene terephthalate resin for ultrasonic vibration to obtain the modified polyethylene terephthalate resin; the weight ratio of the polyethylene glycol terephthalate resin to the xanthan gum to the lecithin is (2-2.4): (1.6-1.9): 1, a step of;
the toughened glass with high impact strength comprises the following steps:
s1, uniformly stirring modified polyurethane resin, modified polyethylene glycol terephthalate resin, a cross-linking agent and diatomite, then adding rubber oil, glycerol and other auxiliary agents, heating and stirring, and then adding an emulsifying agent to obtain a spraying liquid;
s2, placing the planar glass (1) into a tempering furnace, heating to a tempering temperature, rapidly cooling, spraying the spraying liquid on two sides of the planar glass (1) uniformly to obtain a spraying layer (2), and cooling to room temperature to obtain the tempered glass with high impact resistance; wherein in the step S2, the temperature is rapidly reduced to 200-220 ℃.
2. The high impact strength tempered glass as claimed in claim 1, wherein: the weight ratio of the modified polyurethane resin to the modified polyethylene glycol terephthalate resin to the diatomite is (1.4-1.6): 1: (0.3-0.4).
3. The high impact strength tempered glass as claimed in claim 1, wherein: the other auxiliary agents comprise the following raw materials in parts by weight: sodium alginate: 5-10 parts; sodium lauryl sulfate: 3-7 parts.
4. The high impact strength tempered glass as claimed in claim 1, wherein: the weight ratio of the rubber oil to the sodium alginate to the sodium laurylsulfate is 1: (1-1.2): (0.5-0.7).
5. The high impact strength tempered glass as claimed in claim 1, wherein: the crosslinking agent comprises one of dicumyl peroxide, benzoyl peroxide and diethylenetriamine.
6. The high impact strength tempered glass as claimed in claim 1, wherein: the emulsifier comprises one of sodium dodecyl sulfate and sodium dodecyl benzene sulfonate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211530966.7A CN115851091B (en) | 2022-12-01 | 2022-12-01 | Toughened glass with high impact strength and preparation method thereof |
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| CN202211530966.7A CN115851091B (en) | 2022-12-01 | 2022-12-01 | Toughened glass with high impact strength and preparation method thereof |
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| CN115851091A CN115851091A (en) | 2023-03-28 |
| CN115851091B true CN115851091B (en) | 2023-08-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103030303A (en) * | 2011-10-10 | 2013-04-10 | 肖特公开股份有限公司 | Coated glass substrate having touch feature or glass ceramics substrate |
| CN110229473A (en) * | 2018-03-06 | 2019-09-13 | 中国科学院化学研究所 | A kind of PET nanocomposite and preparation method thereof |
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| JPH0369353A (en) * | 1989-08-09 | 1991-03-25 | Sumitomo Bakelite Co Ltd | Manufacture of copper-clad laminated board |
| CN202063835U (en) * | 2011-04-28 | 2011-12-07 | 佛山市南海区新华强玻璃工艺有限公司 | PVB (Polyvinyl Butyral) sandwich-glass structure |
| KR101560442B1 (en) * | 2013-03-04 | 2015-10-27 | (주)엘지하우시스 | Covering material for vacuum insulation panel, vacuum insulation panel and insulation wall |
| CN106082709A (en) * | 2016-06-08 | 2016-11-09 | 常州天马集团有限公司（原建材二五三厂） | Automotive natural gas bottle glass fibre dedicated film-forming agent and preparation method thereof |
| CN113913125B (en) * | 2021-10-20 | 2023-03-21 | 江西昊泽光学膜科技有限公司 | Ultra-clear flexible glass protective film and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103030303A (en) * | 2011-10-10 | 2013-04-10 | 肖特公开股份有限公司 | Coated glass substrate having touch feature or glass ceramics substrate |
| CN110229473A (en) * | 2018-03-06 | 2019-09-13 | 中国科学院化学研究所 | A kind of PET nanocomposite and preparation method thereof |
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