CN116004165B - Environmentally friendly stone rough material coating adhesive and preparation method thereof - Google Patents
Environmentally friendly stone rough material coating adhesive and preparation method thereof Download PDFInfo
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- CN116004165B CN116004165B CN202211652479.8A CN202211652479A CN116004165B CN 116004165 B CN116004165 B CN 116004165B CN 202211652479 A CN202211652479 A CN 202211652479A CN 116004165 B CN116004165 B CN 116004165B
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention provides an environment-friendly stone block coating adhesive and a preparation method thereof, wherein the environment-friendly stone block coating adhesive comprises a component A and a component B, the component A comprises vinyl ester resin, hardening agent and wetting penetrating agent, the component B comprises initiator, the vinyl ester resin comprises 17.5-27.5 parts of aliphatic long-chain epoxy vinyl ester resin, 25-35 parts of phenolic epoxy vinyl ester resin and 40-50 parts of environment-friendly reactive diluent by weight, and the environment-friendly reactive diluent consists of methacrylic acid-beta-hydroxyethyl and neopentyl glycol diacrylate. The invention adopts the specific vinyl ester resin to ensure the low viscosity and excellent water resistance, heat resistance and chemical corrosion resistance of the stone block coating adhesive, simultaneously endows the adhesive film with higher mechanical strength, improves the storage stability of the product, reduces the harm to human bodies and the environment, and ensures that the adhesive has better adhesive force, impact toughness and ageing resistance.
Description
Technical Field
The invention relates to the technical field of stone production, in particular to an environment-friendly stone raw material coating adhesive and a preparation method thereof.
Background
The stone block refers to a cuboid rough blank with certain specification which is cut by stone in mine exploitation. The stone raw materials can reach a stone processing plant after long-distance carrying, and are cut into plates with certain thickness by a special slicer after entering the processing plant, and the plates are sent to subsequent procedures for reprocessing. Part of stone materials have loose structures, cracks with different depths are formed in the stone materials, the stone materials are easy to crack in the carrying process and the slicing and plate making process, loss is formed, and cost is increased, so that reinforcing measures are usually taken for stone materials, such as wrapping the stone materials with coating glue on the surface of the stone materials.
At present, the common stone block coating glue mainly comprises two types of unsaturated polyester resin glue and epoxy resin glue, but the two types of coating glue have the following defects that 1. The epoxy resin glue has very low curing speed under the condition of low temperature, influences the construction progress, and has very high influence on the bonding performance under the condition of humidity, and meanwhile, the construction process is relatively complex. 2. The conventional unsaturated polyester resin adhesive adopts styrene as a reactive diluent, the boiling point of the styrene is low (145 ℃) and is easy to volatilize, so that environmental pollution is caused, the unsaturated polyester resin adhesive has the advantages of high curing speed, short construction time, inconvenient operation, no water resistance and easy falling under the moist condition, and black lines on the cutting surface of stone can influence the appearance. In addition, the unsaturated polyester resin glue coated stone raw material has simple brushing process, but has poor permeability, and the internal defects of the stone raw material cannot be repaired, and has insufficient adhesive force, large brittleness and easy falling off and brittle cracking in the cutting process.
Polyurethane type stone block coating adhesives, such as those disclosed in chinese patent document CN105885764B, have appeared on the market in recent years. The polyurethane type stone raw material coating adhesive can be well cured at low temperature and on wet stone raw materials, but the post curing time is still longer, the subsequent construction progress is influenced, the production process is complex, and the toxicity of the used raw materials is high.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides an environment-friendly stone raw material coating adhesive and a preparation method thereof.
The invention provides an environment-friendly stone block coating adhesive, which comprises a component A and a component B, wherein the component A comprises vinyl ester resin, hardening agent and wetting penetrating agent;
the environment-friendly reactive diluent consists of methacrylic acid-beta-hydroxyethyl ester and neopentyl glycol diacrylate, wherein the vinyl ester resin comprises 17.5-27.5 parts of aliphatic long-chain epoxy vinyl ester resin, 25-35 parts of phenolic epoxy vinyl ester resin and 40-50 parts of environment-friendly reactive diluent by weight.
The invention combines the aliphatic long chain ring oxyvinyl ester resin and the phenolic epoxy vinyl ester resin according to a certain proportion, ensures the low viscosity and excellent water resistance, heat resistance and chemical corrosion resistance of the stone block coating adhesive, and simultaneously endows the adhesive film with higher mechanical strength. The environment-friendly reactive diluent is used for preparing the environment-friendly reactive diluent, wherein styrene is replaced by a composition of higher-boiling-point monofunctional methacrylic acid-beta-hydroxyethyl (boiling point 205 ℃) and difunctional neopentyl glycol diacrylate which does not have volatility and has better air drying property, so that pollution of volatile styrene to the environment and harm to human bodies can be avoided, the environment-friendly requirement is met, and experiments show that the environment-friendly reactive diluent can enable colloid to have better adhesive force, impact toughness and ageing resistance.
According to the environment-friendly stone raw material coating adhesive provided by the invention, in the environment-friendly reactive diluent, the mass ratio of the methacrylic acid-beta-hydroxyethyl ester is 10-30%.
The research of the invention finds that the content of the methacrylic acid-beta-hydroxyethyl ester is not more than 30 percent, otherwise, the flexural modulus of the colloid solidified material is obviously reduced.
According to the environment-friendly stone block coating adhesive provided by the invention, the hardening agent consists of carnauba wax, polyethylene wax and montan wax in a mass ratio of 10-40:20-40:20-50, and the mass of the hardening agent is 1-8% of that of the vinyl ester resin.
The hardening agent is composed of carnauba wax, polyethylene wax and Mongolian wax, the composition forms a covering layer for isolating oxygen in air on the surface of the colloid, the polymerization inhibition of the oxygen on the resin on the surface of the colloid is prevented, black lines on stone cutting surfaces are avoided during construction, and the hardening agent composition of different types endows the adhesive film with larger hardness, ensures the brightness of the stone, and is easier to cut and form stone raw materials.
According to the environment-friendly stone raw material coating adhesive provided by the invention, the wetting penetrating agent comprises amyl phenyl ether, 3, 5-trimethylcyclohexanone and propylene glycol diacetate in a mass ratio of 35-60:15-35:10-30, and the mass of the wetting penetrating agent is 2-12% of the mass of the vinyl ester resin.
The wetting penetrating agent selected by the invention endows the colloid with excellent wettability, so that the colloid can better penetrate into the stone, the stone defect is repaired, the yield is higher, and the experiment also shows that the wetting penetrating agent can obviously enhance the adhesive force of the colloid to the stone and the impact toughness of the colloid.
The environment-friendly stone raw material coating adhesive provided by the invention comprises a component A, a component B and a component B, wherein the component A also comprises a defoaming agent, a polymerization inhibitor and an accelerator, and the component B also comprises a blending agent.
According to the environment-friendly stone block coating adhesive provided by the invention, the defoamer comprises BYK-530 containing organosiloxane and Airex-910 containing no organosiloxane in a mass ratio of 40-60:60-40, and the mass of the defoamer is 0.1-0.5% of the mass of the vinyl ester resin.
The defoamer composition is selected, so that the physical defect generated after the environment-friendly stone raw material coating adhesive is solidified is effectively avoided.
According to the environment-friendly stone raw material coating glue provided by the invention, the accelerator is a 10% cobalt iso-octoate solution, and the mass of the accelerator is 0.2-0.8% of the mass of the vinyl ester resin. Wherein, the 10% cobalt iso-octoate solution is the mass fraction, namely 10 parts cobalt iso-octoate is diluted by 90 parts diluent. In the examples of the present invention, a mixed solution of beta-hydroxyethyl methacrylate and neopentyl glycol diacrylate in a mass ratio of 1:4 is preferably used as the diluent.
According to the environment-friendly stone block coating adhesive provided by the invention, the polymerization inhibitor is one or more of hydroquinone, 2, 5-di-tert-butylhydroquinone, methyl hydroquinone, p-benzoquinone and 4-tert-butylcatechol, and the mass of the polymerization inhibitor is 0.01-0.05% of the mass of the vinyl ester resin.
According to the invention, the accelerator and the polymerization inhibitor are reasonably blended within the range, so that the obtained environment-friendly stone raw material coating adhesive has proper operation time.
According to the environment-friendly stone raw material coating adhesive provided by the invention, in the component B, the initiator is methyl ethyl ketone peroxide, the blending agent is dibutyl phthalate, and the mass ratio of the initiator to the blending agent is 1:1.
According to the environment-friendly stone raw material coating adhesive provided by the invention, the mass ratio of the component A to the component B is 100:1-5.
In the preferred embodiment of the invention, the environment-friendly stone block coating adhesive comprises A, B parts by weight of an aliphatic long chain ring oxyvinyl ester resin 17.5-27.5 parts by weight of a phenolic epoxy vinyl ester resin 25-35 parts by weight of an environment-friendly reactive diluent 40-50 parts by weight of a hardening agent 1-8 parts by weight of a wetting penetrating agent 2-12 parts by weight of an antifoaming agent 0.1-0.5 part by weight of a polymerization inhibitor 0.01-0.05 part by weight of an accelerator 0.2-0.8 part by weight of a catalyst, wherein the environment-friendly reactive diluent consists of 10-30% by weight of methacrylic acid-beta-hydroxyethyl ester and the rest of neopentyl glycol diacrylate, the hardening agent consists of 10-40:20-40:20-50 parts by weight of carnauba wax, polyethylene wax and a Mongolian wax, the wetting penetrating agent consists of 35-60:15-35:10-30 parts by weight of amyl phenyl ether, 3, 5-trimethylcyclohexanone and propylene glycol diacetate, and the B part by weight of 50 parts by weight of dibutyl phthalate.
Taking 100 parts by weight of the component A and 1-5 parts by weight of the component B, and uniformly mixing to obtain the environment-friendly stone raw material coating adhesive. The viscosity of the mixed environment-friendly stone raw material coating adhesive is 0.1-0.3Pa.s at 25 ℃, so that the adhesive solution can more easily permeate into stone.
The invention also provides a preparation method of the environment-friendly stone raw material coating adhesive, which comprises the steps of respectively mixing the raw materials of the component A and the component B to obtain the component A and the component B, and mixing the components in proportion before construction.
Further, the step of preparing the component A comprises the steps of mixing vinyl ester resin, polymerization inhibitor, accelerator and hardening agent, heating to 80-85 ℃, controlling the rotating speed to 500-1000 rpm, stirring for 10-15 minutes, adding the rest materials, controlling the rotating speed to 1300-1500 rpm, stirring for 20-25 minutes, and performing ultrasonic vibration for 20-30 minutes.
Further preferably, in the step of mixing the vinyl ester resin, the polymerization inhibitor, the accelerator and the hardening agent, the amount of the environment-friendly reactive diluent is 40-60% of the total amount of the environment-friendly reactive diluent, so that the temperature of the whole environment-friendly reactive diluent is prevented from being raised to 80-85 ℃, the temperature is reduced, the energy consumption is wasted, and the rest of the styrene can be used for assisting in reducing the temperature.
According to the environment-friendly stone block coating adhesive and the preparation method thereof, the aliphatic long-chain epoxy vinyl ester resin and the phenolic epoxy vinyl ester resin are compounded according to a certain proportion, so that the low viscosity and excellent water resistance, heat resistance and chemical corrosion resistance of the stone block coating adhesive are ensured, and meanwhile, the adhesive film is endowed with higher mechanical strength. Wherein, the composition of methacrylic acid-beta-hydroxyethyl and neopentyl glycol diacrylate is adopted to replace styrene, which is safe and environment-friendly, improves the storage stability and reduces the harm to human body and environment. And the colloid has better adhesive force, impact toughness and ageing resistance.
Furthermore, the environment-friendly stone block coating adhesive which has the advantages of proper operation time, high water resistance, high chemical corrosion resistance, high bonding strength, high hardness, good toughness, good permeability and adhesive force, no fracture, no falling off, no brittle fracture and no black line generation in the cutting process is finally obtained through the compatibility of components such as hardening agent, wetting penetrating agent and the like.
Drawings
FIG. 1 is a graph showing the hardness and impact toughness of an environment-friendly stone block coated gel cured product as a function of hardening agent addition;
FIG. 2 is a graph showing the change of flexural modulus and compressive shear bond strength of an environment-friendly stone block coated gel cured product with the addition of hardening agent;
FIG. 3 is a graph showing the variation of penetration depth of an environment-friendly stone block coating adhesive with the addition of hardening agent;
FIG. 4 is a graph showing the variation of penetration depth and adhesion of an environment-friendly stone block coating gum with the addition of wetting penetrant;
FIG. 5 is a graph showing the flexural modulus of elasticity and impact toughness of an environment-friendly stone block coated gum cure as a function of wetting and penetrating agent addition;
Fig. 6 is a graph showing the change of the press-shear bond strength of the cured product of the green stone block coating adhesive with the addition amount of the wetting penetrating agent.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The materials used in the examples below are commercially available unless otherwise specified.
In the following examples, a 10% cobalt iso-octoate solution was used which consisted of 10 parts by mass of cobalt iso-octoate and 90 parts of a diluent, wherein the diluent was a mixed solution of beta-hydroxyethyl methacrylate and neopentyl glycol diacrylate in a mass ratio of 1:4.
Example 1
The embodiment provides an environment-friendly stone block coating adhesive, which comprises, by weight, A, B parts of aliphatic long-chain epoxy vinyl ester resin 25 parts, phenolic epoxy vinyl ester resin 25 parts, 10 parts of beta-hydroxyethyl methacrylate, 40 parts of neopentyl glycol diacrylate, 0.5 part of 10% cobalt iso-octoate solution, 0.02 part of 2, 5-di-tert-butylhydroquinone, 0.01 part of 4-tert-butylcatechol, 2 parts of carnauba wax, 2 parts of polyethylene wax, 2 parts of Montana wax, 4 parts of amyl phenyl ether, 2.4 parts of 3, 5-trimethylcyclohexanone, 1.6 parts of propylene glycol diacetate, 0.15 parts of BYK-530 defoamer and 0.15 parts of Airex-910 defoamer. The component B comprises 50 parts by weight of methyl ethyl ketone peroxide and 50 parts by weight of dibutyl phthalate.
The preparation method of the environment-friendly stone block coating adhesive A comprises the steps of firstly adding aliphatic long-chain epoxy vinyl ester resin, phenolic epoxy vinyl ester resin, 50% of environment-friendly reactive diluents (methacrylic acid-beta-hydroxyethyl and neopentyl glycol diacrylate), polymerization inhibitor, accelerator and hardening agent into a double-planetary power mixer, heating to 83 ℃, controlling the rotating speed to 800 r/min, stirring for 12 min, adding the rest materials, controlling the rotating speed to 1500 r/min, stirring for 23 min, and then performing ultrasonic vibration for 20 min by using an ultrasonic vibrator.
Weighing 100 parts by weight of the component A and 3 parts by weight of the component B, and uniformly mixing to obtain the environment-friendly stone raw material coating adhesive.
Under the formulation composition of example 1, the inventors tested other preparation conditions and found that the preparation was performed according to the parameters of "firstly adding the aliphatic long-chain epoxy vinyl ester resin, the phenolic epoxy vinyl ester resin, the polymerization inhibitor, the accelerator, the hardening agent and 40-60% of the environment-friendly reactive diluent into a double-planetary power mixer, heating to 80-85 ℃, controlling the rotating speed to 500-1000 rpm, stirring for 10-15 minutes, adding the rest materials, controlling the rotating speed to 1300-1500 rpm, stirring for 20-25 minutes, and then performing ultrasonic vibration for 20-30 minutes, weighing 100 parts by weight of the component A, 1-5 parts by weight of the component B, and uniformly mixing", wherein the coating properties of the obtained environment-friendly stone raw materials are basically similar, and have no obvious difference.
In addition, the invention also provides environment-friendly stone block coating adhesives with different hardening agents compared with the embodiment 1, namely, comparative examples 1-8 (it is to be noted that the comparative examples listed in the invention are for highlighting the preferred conditions of a certain parameter and do not necessarily belong to the protection scope of the invention, and the following are the same), and embodiments 2-6, wherein the raw materials of the component A are shown in the following table 1, and environment-friendly stone block coating adhesives with different wetting and penetrating agents compared with the embodiment 1, namely, comparative examples 9-16 and embodiments 7-11, the raw materials of the component A are shown in the following table 2, and the composition of the component B is the same as that of the embodiment 1, and the preparation method is the same as that of the embodiment 1.
TABLE 1
TABLE 2
The invention also provides stone block coating glue with different reactive diluents, namely comparative examples 17-18 and examples 12-13, wherein the raw materials of the component A comprise the following table 3, the component B comprises the same composition as in example 1, and the preparation method is the same as in example 1.
TABLE 3 Table 3
Experiments show that the reactive diluent methacrylic acid-beta-hydroxyethyl ester has better compatibility with resin, conventional heating is free from volatilization, the reactive diluent styrene in the resin is independently replaced by the reactive diluent methacrylic acid-beta-hydroxyethyl ester, the storage life of the obtained resin is better than that of the resin containing styrene, the resin can be initially coagulated, but does not smoke, the resin is softer after curing, and the exothermic peak value is lower. The reactive diluent neopentyl glycol diacrylate has the molecular structure containing saturated tertiary carbon atom structure and the carbon chain length containing ester group, and the polyester which participates in crosslinking and curing has good stability, high toughness and wear resistance. By compounding methacrylic acid-beta-hydroxyethyl and neopentyl glycol diacrylate, the adhesive force and the impact resistance of the colloid are outstanding, and the ageing resistance is very excellent, but the content of the methacrylic acid-beta-hydroxyethyl is not more than 30%, otherwise, the flexural modulus of the colloid solidified substance is obviously reduced.
In addition, the invention also provides an environment-friendly stone raw material coating glue shown in examples 14-20 and comparative examples 19-20, wherein the composition of the component B is the same as that of the component 1, and the composition of the raw material of the component A is shown in the table 4 in parts by weight.
TABLE 4 Table 4
Experimental example
To demonstrate the excellent effects of the environment-friendly stone block coating adhesive of the present invention, the environment-friendly stone block coating adhesives obtained in examples 1 to 20 of the present invention and comparative examples 1 to 23 were respectively subjected to performance tests including flexural modulus of elasticity, impact toughness, press shear bonding strength (curing under standard conditions for 168 hours), press shear bonding strength (soaking for 168 hours), hardness, penetration depth, adhesion, cut surface black line condition, curing time, and test results are shown in tables 5 and 6. FIGS. 1 to3 are graphs of changes corresponding to examples 2 to 6 and comparative examples 1 and 8, and FIGS. 4 to 6 are graphs of changes corresponding to examples 8 to 11 and examples 5, comparative examples 9 and comparative examples 16. The resin used in comparative example 19 is a conventional low-viscosity unsaturated polyester resin, comparative example 21 is a commercially available unsaturated polyester resin adhesive, comparative example 22 is a commercially available epoxy resin adhesive, and comparative example 23 is a polyurethane type stone block coating adhesive disclosed in chinese patent document CN105885764B as a preferred example.
The specific method for testing each performance is as follows:
Flexural modulus, impact toughness, compression shear bond strength (curing 168h under standard conditions) and compression shear bond strength (soaking 168 h) by referring to JC/T989-2016 test method of stone adhesive for non-structural bearing, preparing a cured sample block, and testing by adopting a universal tensile machine and a pendulum impact tester;
The adhesive force is tested by adopting a full-automatic digital display drawing type adhesive force tester of PosiTest AT-A of DeFelsko company of America;
The hardness is tested by adopting a D-type Shore hardness tester;
The penetration depth is that two stone raw material thin plates are separated into gaps with the length of 0.6mm and fixed, a plurality of gaps with the length of 100mm and the width of 0.6mm are respectively measured, a brush is used for dipping and taking uniformly mixed stone raw material coating glue, the brush is used for brushing back and forth for 3 times, and after the glue is solidified, the penetration depth of the stone raw material coating glue is measured;
the black line condition of the cutting surface, namely brushing stone raw materials with mixed colloid, cutting after solidification, and observing whether the black line exists on the cutting surface;
The working time and the curing time are the reference standard GB/T12954-1991 building adhesive general test method.
TABLE 5
TABLE 6
From the above results, it can be seen that:
The environment-friendly stone block coating adhesive without any hardening agent is prepared by adding carnauba wax in comparative example 2, the colloid hardness and the bending elastic modulus are obviously increased compared with comparative example 1, the black line of a cutting surface is improved, but the impact toughness is obviously reduced, the compression shear bonding strength and the penetration depth are obviously reduced, the polyethylene wax is only added in comparative example 3, the colloid hardness is obviously increased, the impact toughness is not greatly influenced, but the penetration depth and the bending elastic modulus are obviously reduced, the compression shear bonding strength is obviously reduced, the mask wax is only added in comparative example 4, the colloid hardness is obviously increased, the cutting surface black line is improved, the bending elastic modulus is not greatly influenced, but the penetration depth, the impact toughness and the compression shear bonding strength are reduced. In comparative examples 5 to 7, carnauba wax, polyethylene wax and montan wax were mixed two by two, and each index was improved as compared with the single addition, but the effect was not ideal. In examples 1 and 6, the carnauba wax, the polyethylene wax and the montan wax are added together, the hardening agent has obviously increased colloid hardness, flexural modulus, impact toughness and compression shear bonding strength index except that the penetration depth is reduced at the same addition amount, and the data is optimal when the ratio of the carnauba wax, the polyethylene wax and the montan wax is 3:3:4. In examples 1 to 6 and comparative example 8, carnauba wax, polyethylene wax and montan wax were added together, as shown in Table 5 and FIGS. 1 to 3, as the hardening agent was gradually increased, the gel hardness was gradually increased, and the flexural modulus, impact toughness, press shear bond strength and adhesion were also slightly increased, and when 5 parts were added, the addition was optimal, and further addition of the hardening agent was continued, the hardness was not substantially increased, but after 8 parts were added, the decrease was remarkable, and when 1 part was added, the black line of the cut face of the stone block was very shallow, and when 3 parts were added, the black line was not seen.
The comparative example 9 is an environment-friendly stone block coating adhesive without any wetting penetrating agent, the comparative example 10 is only added with amyl phenyl ether, the penetration depth, adhesive force and impact toughness of the adhesive are obviously increased compared with the comparative example 9, the flexural modulus of elasticity and the compression shear bonding strength are slightly increased, the hardness is slightly reduced, the comparative example 11 is only added with 3, 5-trimethylcyclohexanone, the penetration depth, adhesive force and impact toughness of the adhesive are obviously increased compared with the comparative example 9, the adhesive is not higher than the comparative examples 10 and 12, the flexural modulus of elasticity is obviously increased, the compression shear bonding strength is slightly increased, the hardness is slightly reduced, the comparative example 12 is only added with propylene glycol diacetate, the penetration depth, adhesive force and impact toughness of the adhesive are obviously increased, the comparative example 10 is slightly inferior in color, the flexural modulus of elasticity and the compression shear bonding strength are slightly increased, and the hardness is slightly reduced. In comparative examples 13 to 15, amyl phenyl ether, 3, 5-trimethylcyclohexanone and propylene glycol diacetate were mixed two by two, and the overall index was improved, but the effect was not ideal, and the penetration depth was still further improved. In examples 7 and 11, amyl phenyl ether, 3, 5-trimethylcyclohexanone and propylene glycol diacetate are added together, which shows that the penetration depth of colloid, adhesive force, impact toughness, flexural modulus of elasticity and compression shear bond strength index are all obviously increased under the condition of the same addition amount of the wetting penetrating agent, and the best effect is obtained when the proportion of the amyl phenyl ether, 3, 5-trimethylcyclohexanone and propylene glycol diacetate is 5:3:2. In examples 5, 8-11 and comparative example 16, amyl phenyl ether, 3, 5-trimethylcyclohexanone and propylene glycol diacetate were added together, as shown in Table 5 and FIGS. 4-6, with progressive increases in wetting penetrant, the colloid penetration depth, adhesion, impact toughness, flexural modulus of elasticity and compression shear bond strength were also progressively increased, with addition to 8 parts, colloid adhesion, impact toughness, flexural modulus of elasticity and compression shear bond strength being optimized, and with continued addition of wetting penetrant, the colloid penetration depth was still increasing, but the rate of increase was very slow, while the colloid adhesion, impact toughness, flexural modulus of elasticity and compression shear bond strength were significantly reduced, with addition to 12 parts.
The resin used in comparative example 19 is a common low-viscosity unsaturated polyester resin, the resin used in comparative example 20 is a preferable aliphatic long-chain epoxy vinyl ester resin and phenolic epoxy vinyl ester resin according to the invention, and the composition is 1:1, as shown in the data in Table 5, the mechanical properties, water resistance and permeability of the environment-friendly stone block coating adhesive obtained in comparative example 20 are all obviously improved.
In summary, the environment-friendly stone block coating adhesive provided by the embodiment of the invention has the advantages of proper operation time, high water resistance, high bonding strength, high hardness, good permeability and adhesion, no black line on the cutting surface of the stone block, and capability of being rapidly constructed at low temperature, and meeting the requirements.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.
Claims (8)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101974304A (en) * | 2010-11-08 | 2011-02-16 | 武汉理工大学 | Vinylester resin stone adhesive and preparation method thereof |
| CN112521896A (en) * | 2020-11-12 | 2021-03-19 | 武汉市科达云石护理材料有限公司 | Environment-friendly stone back bar adhesive and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007326933A (en) * | 2006-06-07 | 2007-12-20 | Dainippon Ink & Chem Inc | Epoxy vinyl ester resin, production method thereof, photosensitive resin composition, cured product thereof, acid pendant type epoxy vinyl ester resin, alkali-developable photosensitive resin composition, and cured product thereof |
| CN104927740B (en) * | 2015-06-15 | 2017-07-28 | 武汉市科达云石护理材料有限公司 | Environment-friendly type stone material seamless binding glue and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974304A (en) * | 2010-11-08 | 2011-02-16 | 武汉理工大学 | Vinylester resin stone adhesive and preparation method thereof |
| CN112521896A (en) * | 2020-11-12 | 2021-03-19 | 武汉市科达云石护理材料有限公司 | Environment-friendly stone back bar adhesive and preparation method thereof |
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