CN112521897B - Stable type marble adhesive curing agent and preparation method thereof - Google Patents
Stable type marble adhesive curing agent and preparation method thereof Download PDFInfo
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- CN112521897B CN112521897B CN202011262976.8A CN202011262976A CN112521897B CN 112521897 B CN112521897 B CN 112521897B CN 202011262976 A CN202011262976 A CN 202011262976A CN 112521897 B CN112521897 B CN 112521897B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention provides a stable marble adhesive curing agent and a preparation method thereof, wherein the curing agent comprises the following raw materials in parts by weight: 100 parts of benzoyl peroxide, 40-70 parts of dibutyl phthalate, 1-5 parts of oil absorbent and 0.5-2 parts of water absorbent; the oil absorbent consists of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin. The stable marble adhesive curing agent provided by the invention adopts the oil absorbent consisting of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin, and is used together with the water absorbent in a certain proportion, so that the stability of the existing curing agent formed by dissolving benzoyl peroxide in dibutyl phthalate can be effectively improved, the time for oil and water separation can be delayed, the performance of the curing agent can be ensured in the storage period, the attenuation degree of the curing agent can be reduced, and the use of the curing agent can not be influenced.
Description
Technical Field
The invention relates to the field of stone bonding glue, in particular to a stable marble glue curing agent and a preparation method thereof.
Background
With the rapid development of building adhesives in recent years, marble adhesives have gradually become the leading product in the stone chemical industry field. The marble glue has excellent performance, and is mainly reflected in the aspects of hardness, toughness, rapid curing, polishing property, weather resistance, corrosion resistance and the like. The marble glue is mainly divided into A, B two components, wherein the component A is a colloid prepared from unsaturated polyester resin serving as a main body resin, the component B is a curing agent for initiating the solidification of the component A colloid, and most of marble glue curing agents in the market are paste formed by dissolving an initiator benzoyl peroxide in dibutyl phthalate.
However, the commercial industrial-grade benzoyl peroxide contains 20-30% of water for the safety of transportation and storage, and the water cannot be completely removed in the production process of the marble glue curing agent and is brought into the curing agent to be mixed with dibutyl phthalate, so that the curing agent is easily subjected to phase separation, oil separation, water separation and the like, and a uniform and stable state is difficult to form.
Disclosure of Invention
The invention provides a stable type marble adhesive curing agent and a preparation method thereof, which are used for solving the problem that the curing agent in the prior art is easy to split phase and realizing that the curing agent can be stored for a long time without influencing the use.
Specifically, the invention provides the following technical scheme:
the invention provides a stable marble adhesive curing agent which comprises the following raw materials in parts by weight: 100 parts of benzoyl peroxide, 40-70 parts of dibutyl phthalate, 1-5 parts of oil absorbent and 0.5-2 parts of water absorbent;
the oil absorbent consists of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin.
The invention aims to develop a stable marble adhesive curing agent, and only adds a water absorbent at the beginning of research and development because the known main reason for causing the phase separation of the curing agent is that benzoyl peroxide contains certain moisture, but finds that the stability can not achieve the expected effect no matter how to adjust the type and the proportion of the water absorbent. Later, considering that the phenomenon of oil and water separation finally occurs, the addition of a water absorbing agent and an oil absorbing agent is tried, but after the conventional oil absorbing agent is tried, including inorganic agents such as clay and silicon dioxide, natural organic agents such as kapok and paper pulp, synthetic organic agents such as polymethacrylic acid, 12-hydroxystearic acid and polyurethane foam, the expected effect is still not obtained, and although the stability of the curing agent can be improved to a certain extent, the subsequent use of the curing agent is affected, for example, the addition of clay, silicon dioxide, kapok and paper pulp can reduce the fineness of the curing agent and affect the using effect. After a large number of experiments, the invention discovers that the oil absorbent consisting of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin is used together with the water absorbent in a certain proportion, so that the stability of the curing agent can be effectively improved, the time of oil and water separation can be delayed, the performance of the curing agent can be ensured in the storage period, and the attenuation degree of the curing agent can be reduced, so that the use of the curing agent is not influenced.
Preferably, the weight percentage of the 2-ethylhexyl acrylate-butyl methacrylate copolymer in the oil absorbent is 25-75%.
The weight percentage of the acrylic acid-2-ethylhexyl-butyl methacrylate copolymer in the oil absorbent is controlled, namely the mass ratio of the acrylic acid-2-ethylhexyl-butyl methacrylate copolymer to the polynorbornene resin is controlled, the ratio of the acrylic acid-2-ethylhexyl-butyl methacrylate copolymer to the polynorbornene resin is controlled within the range of the invention, so that oil can be absorbed and preserved better and faster, and the curing agent can not separate oil for a longer time.
Preferably, the water absorbent consists of a starch sodium xanthate-sodium acrylate graft copolymer and a viscose fiber-acrylic acid graft copolymer, wherein the starch sodium xanthate-sodium acrylate graft copolymer accounts for 25-75 wt% of the water absorbent.
The invention also finds that when the water absorbent is compounded by adopting the starch sodium xanthate-sodium acrylate graft copolymer and the viscose fiber-acrylic acid graft copolymer in a specific ratio, the water of the curing agent can be firmly locked, the phenomenon of water precipitation can not occur after long-time storage, the hand feeling and the state can be kept stable for a long time, and the curing agent is endowed with more excellent stability.
Preferably, the raw material also comprises 2-10 parts of anti-settling agent.
Preferably, the anti-settling agent is one or more of zinc stearate, barium stearate, aluminum stearate, and magnesium stearate.
The research of the invention finds that soap salt powder is selected as an anti-settling agent, and the soap salt powder can better enable a curing agent system to reach a uniform and stable state of water-oil balance by utilizing the stronger swelling and gelling capacity of the anti-settling agent and the combined action of the oil absorbent and the water absorbent, and greatly reduce the attenuation degree of benzoyl peroxide.
Preferably, the raw materials comprise the following components in parts by weight: 100 parts of benzoyl peroxide, 40-70 parts of dibutyl phthalate, 3-5 parts of oil absorbent, 1-2 parts of water absorbent and 5-10 parts of anti-settling agent;
the oil absorbent consists of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin in a mass ratio of 1:2-2: 1;
the water absorbent consists of a starch sodium xanthate-sodium acrylate graft copolymer and a viscose fiber-acrylic acid graft copolymer in a mass ratio of 1:2-2: 1;
the anti-settling agent is one or more of zinc stearate, barium stearate, aluminum stearate and magnesium stearate.
In a preferred embodiment of the present invention, the stable marble glue curing agent comprises the following raw materials in parts by weight: 100 parts of benzoyl peroxide, 40-70 parts of dibutyl phthalate, 2-3 parts of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer, 2-3 parts of polynorbornene resin, 0.75-1.25 parts of starch sodium xanthate-sodium acrylate graft copolymer, 0.75-1.25 parts of viscose fiber-acrylic acid graft copolymer and 8-10 parts of anti-settling agent.
Wherein the total amount of the acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and the polynorbornene resin is 4-5 parts, and the total amount of the starch sodium xanthate-sodium acrylate graft copolymer and the viscose fiber-acrylic acid graft copolymer is 1.5-2 parts.
The marble adhesive curing agent prepared by adopting the raw material formula has better stability, longer storage life and good performance, and does not influence the use.
The invention also provides a preparation method of the stable marble adhesive curing agent, which comprises the following steps:
the dibutyl phthalate and the benzoyl peroxide are mixed and stirred until the benzoyl peroxide is fully swelled, and then the rest raw materials are added and stirred continuously until the uniform and fine paste is obtained.
Preferably, the dibutyl phthalate and the benzoyl peroxide are firstly added into a kneading kettle and stirred for 20-40min at the rotating speed of 400r/min of 100-.
The stable marble adhesive curing agent provided by the invention adopts the oil absorbent consisting of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin, and is used together with the water absorbent in a certain proportion, so that the stability of the existing curing agent formed by dissolving benzoyl peroxide in dibutyl phthalate can be effectively improved, the time for oil and water separation can be delayed, the performance of the curing agent can be ensured in the storage period, the attenuation degree of the curing agent can be reduced, and the use of the curing agent can not be influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a graph showing the decay curves of the peroxide contents of the curing agents obtained in example 1 and comparative examples 1 to 7 at 25 ℃;
FIG. 2 is a graph showing the change in moisture content of the curing agents obtained in example 1 and comparative examples 1 to 7 at 25 ℃;
FIG. 3 is a graph showing the decay curves of the peroxide contents of the curing agents obtained in example 1 and comparative examples 1 to 7 at 40 ℃;
FIG. 4 is a graph showing the change in moisture content of the curing agents obtained in example 1 and comparative examples 1 to 7 at 40 ℃.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following examples, each raw material was commercially available unless otherwise specified.
Example 1
The embodiment provides a stable marble adhesive curing agent, which comprises the following raw materials in parts by weight: 100 parts of benzoyl peroxide, 50 parts of dibutyl phthalate, 2 parts of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer, 2 parts of polynorbornene resin, 1 part of starch sodium xanthate-sodium acrylate graft copolymer, 1 part of viscose fiber-acrylic acid graft copolymer, 2 parts of barium stearate and 3 parts of magnesium stearate.
The embodiment also provides a preparation method of the marble adhesive curing agent, which comprises the following specific steps: adding dibutyl phthalate and benzoyl peroxide into a kneading kettle, stirring for 20min at the rotating speed of 400r/min until the benzoyl peroxide is completely swelled, adding the water absorbent, the oil absorbent and the anti-settling agent into the kneading kettle, and stirring for 2h at the rotating speed of 400r/min to obtain the uniform and fine paste.
Examples 2-12 also provide a stable type marble adhesive curing agent, which has the raw material composition shown in table 1, and the preparation method is the same as example 1.
Table 1 examples 1-12 raw material compositions of marble glue curing agents
The invention also provides a marble glue curing agent with different oil absorbing agent and/or water absorbing agent in the raw materials from the examples, namely comparative examples 1-7, and the specific raw material composition is shown in table 2.
Table 2 raw material composition of marble glue curing agent comparative examples 1-7
And (3) performance testing: the phenomena of oil precipitation and water precipitation of the marble glue curing agent are more obvious when the temperature is higher, and the oil precipitation and the water precipitation are not easy to occur at low temperature, so the test selection made by the embodiment of the invention can be used for testing at 25 ℃ and 40 ℃ to illustrate the situation.
The curing agents obtained in examples 1 to 12 and comparative examples 1 to 7 were filled in 250ml wide-mouth reagent bottles, 2 parts each, 100g each, were placed in a constant temperature and humidity chamber at room temperature of 25 ℃ and 40 ℃ respectively. Observing the oil separating condition of a sample placed at the normal temperature of 25 ℃ every 2 months (if a very thin layer of oily liquid is separated out on the surface and the lower layer of paste does not influence the use, the sample is regarded as slight oil separation; if obvious layering phenomenon occurs, the upper layer of oily liquid is more, the viscosity of the lower layer of paste is increased, the hand feeling is dry, the use cannot be continued, the sample is regarded as severe oil separation), measuring the moisture content in the curing agent by a microwave moisture meter (German Moss MS-590 microwave moisture meter), and judging the effect of the water absorbent in the curing agent by the moisture loss in the curing agent; meanwhile, determining the peroxide content in the curing agent (according to the peroxide value determination method in the national standard GB 5009227-2016), and judging the attenuation resistance degree of the curing agent according to the condition that the peroxide content is reduced along with time; the samples were placed at 40 ℃ and observed for oil evolution every 1 month, and their moisture content and peroxide content were also tested. As a result: the curing agents obtained in examples 1 to 12 of the present invention showed the test results at 25 ℃ in Table 3 and the test results at 40 ℃ in Table 4; the curing agents obtained in comparative examples 1 to 7 were tested at 25 ℃ and 40 ℃ respectively, as shown in Table 5 and 6.
The decay profile of the peroxide content of the curing agents obtained in example 1 and comparative examples 1 to 7 at 25 ℃ is shown in FIG. 1. The moisture content change profiles of the curing agents obtained in example 1 and comparative examples 1 to 7 at 25 ℃ are shown in FIG. 2. The decay profiles of the peroxide contents of the curing agents obtained in example 1 and comparative examples 1 to 7 at 40 ℃ are shown in FIG. 3. The moisture content change profiles of the curing agents obtained in example 1 and comparative examples 1 to 7 at 40 ℃ are shown in FIG. 4.
TABLE 325 deg.C curing agent test results obtained in examples 1-12
TABLE 325 deg.C curing agent test results (continuation) obtained in examples 1-12
TABLE 325 deg.C curing agent test results (continuation) obtained in examples 1-12
TABLE 440 ℃ results of tests on the curing agents obtained in examples 1-12
TABLE 440 ℃ results of tests on curing agents obtained in examples 1 to 12 (continuation)
TABLE 440 ℃ results of tests on curing agents obtained in examples 1 to 12 (continuation)
TABLE 525 ℃ SOLIDIFYING AGENT TEST RESULTS OBTAINED IN COMPARATIVE EXAMPLES 1-7
TABLE 525 ℃ SOLIDIFYING AGENT TEST RESULT (CONTINUOUS) OBTAINED IN COMPARATIVE EXAMPLES 1-7
TABLE 640 ℃ results of tests on curing agents obtained in comparative examples 1 to 7
TABLE 640 ℃ results of tests on curing agents obtained in comparative examples 1 to 7 (continuation)
The result shows that the marble adhesive curing agent obtained by the embodiment of the invention has the characteristics of uniform and stable state, good storage stability, attenuation resistance and the like. Taking example 1 as an example, the curing agent obtained by the method has slight oil separation only after 22 months at the normal temperature of 25 ℃, has slight oil separation after 7 months at the high temperature of 40 ℃, and has serious oil separation after 10 months. The curing agent obtained in example 4 has better effect, no oil precipitation occurs at normal temperature of 25 ℃ for 24 months, slight oil precipitation occurs at high temperature of 40 ℃ for 10 months, and oil precipitation is serious at 12 months.
However, comparative examples 1 to 7 are all somewhat less than example 1. Wherein, the comparative example 2 is not added with the oil absorbent of the invention, the comparative examples 3 and 4 are respectively added with only one of the oil absorbents of the invention, and other raw materials and the use amount are consistent with those of the example 1. As a result, the curing agent obtained in the comparative example 2 has the worst oil evolution situation, namely slight oil evolution occurs at normal temperature of 25 ℃ for 4 months, severe oil evolution occurs at 6 months, and severe oil evolution occurs at high temperature of 40 ℃ for 1 month; comparative example 3 slight oil bleeding occurred at normal temperature 25 ℃ for 8 months, severe oil bleeding after 12 months, slight oil bleeding occurred at high temperature 40 ℃ for 3 months, severe oil bleeding after 5 months; comparative example 4 slight oil separation occurred at normal temperature 25 ℃ for 10 months, severe oil separation occurred after 16 months, slight oil separation occurred 4 months after high temperature 40 ℃, and severe oil separation occurred 7 months. Comparative examples 3 and 4 both showed better oil evolution than comparative example 2, but not as good as example 1. Therefore, after the oil absorbent acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and the polynorbornene resin are added, the oil separating situation of the curing agent is obviously improved, and the oil separating situation of the curing agent is obviously improved when the two are used together after being matched with each other.
In addition, from the test results of the moisture content and the peroxide content in the comparative example 1 and the comparative examples 2, 3 and 4, it is also unexpectedly found that the peroxide content of the comparative example 3 and the comparative example 4 is obviously better than that of the comparative example 2 but is not as good as that of the example 1, so that the degree of attenuation of the peroxide content of the curing agent is corresponding to the oil evolution condition, and the curing agent state is more stable and is less prone to attenuation when the oil absorbent of the invention is added; the moisture reduction degree of comparative examples 3 and 4 is slightly better than that of comparative example 2, but slightly worse than that of example 1, so that it can be seen that the addition of the oil absorbent improves the bleeding of the curing agent.
Comparative example 5 was not added with the water-absorbing agent of the present invention, and comparative example 6 and comparative example 7 were each added with only one of the water-absorbing agents of the present invention, and the other raw materials and amounts were the same as those of example 1. In experiments, the viscosity of the curing agent is obviously increased when the water content of the curing agent is reduced to 10%, and the curing agent is not applicable because the curing agent has a cavity in the curing agent and is obviously fluffy, so that the curing agent is not applicable when the water content is reduced to 10%. As a result, the curing agent obtained in example 1 was slowly reduced in water content, and was preserved at room temperature of 25 ℃ for 24 months or more and at 40 ℃ for 12 months or more; the curing agent obtained in the comparative example 5 has the fastest moisture content reduction and the most serious bleeding condition, and can be stored for only 10 months at the normal temperature of 25 ℃ and only 3 months at the high temperature of 40 ℃; while comparative examples 6 and 7 have a significantly better rate of reduction of the moisture content than comparative example 5 but are inferior to example 1, comparative example 6 can be stored at 25 ℃ at room temperature for 16 months, at 40 ℃ at high temperature for 7 months, comparative example 7 can be stored at 25 ℃ at room temperature for 18 months, and at 40 ℃ at high temperature for 8 months. Therefore, the water evolution condition of the curing agent after the starch sodium xanthate-sodium acrylate graft copolymer and the viscose fiber graft acrylic acid copolymer which are used as the water absorbent of the invention are added is obviously improved, and the effect after the starch sodium xanthate-sodium acrylate graft copolymer and the viscose fiber graft acrylic acid copolymer are mutually matched is obviously better than that when only a single-component water absorbent is used.
In addition, from the results of the tests for the oil evolution and the peroxy content in comparative example 1 and comparative examples 5, 6 and 7, it was also unexpectedly found that the decay of the peroxy content in comparative example 6 and comparative example 7 corresponds to a decrease in the moisture content thereof, and the state of the curing agent is more stable and the decay is less likely to occur when the water absorbing agent of the present invention is added; comparative examples 6 and 7 are also slightly better than comparative example 5, but slightly worse than example 1, and it can be seen that the addition of the water-absorbing agent also improves the curing agent oil bleeding.
The excellent effect of the combined action of the oil absorbing agent and the water absorbing agent of the present invention is also illustrated by the test results of comparative example 1, comparative example 1 (no oil absorbing agent and no water absorbing agent added), comparative example 2 (no oil absorbing agent added, only oil absorbing agent added) and comparative example 5 (no oil absorbing agent added, no water absorbing agent added). In experiments, the curing time of the marble adhesive is obviously slowed down and is not suitable when the content of the peroxide in the curing agent is reduced to be lower than 30%, so that the standard that the content of the peroxide is reduced to be 30% is not suitable. As a result, the reduction of the peroxide content in example 1 was the slowest, i.e., the decay resistance was the best, and the film could be stored at 25 ℃ for 24 months or more at room temperature and 40 ℃ for 11 months at high temperature; comparative example 1 the peroxide content is reduced fastest and is easy to decay, the peroxide can be stored for only 4 months at the normal temperature of 25 ℃, and the peroxide content is not more than 1 month at the high temperature of 40 ℃; compared with the comparative example 1, the peroxide content of the comparative example 2 and the peroxide content of the comparative example 5 are improved but are not as good as those of the comparative example 1, the comparative example 2 can be stored for 6 months at normal temperature, can be stored for 1 month at high temperature of 40 ℃, can be stored for 20 months at normal temperature of the comparative example 5, and can be stored for 8 months at high temperature of 40 ℃, so that the oil absorbent and the water absorbent are used together in the curing agent, the state of the curing agent is the most stable, and the anti-fading condition is better.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The stable type marble adhesive curing agent is characterized by comprising the following raw materials in parts by weight: 100 parts of benzoyl peroxide, 40-70 parts of dibutyl phthalate, 1-5 parts of oil absorbent and 0.5-2 parts of water absorbent;
the oil absorbent consists of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin,
the water absorbent consists of a starch sodium xanthate-sodium acrylate graft copolymer and a viscose fiber-acrylic acid graft copolymer.
2. The stabilized marble glue curing agent of claim 1, wherein said 2-ethylhexyl acrylate-butyl methacrylate copolymer is 25-75% by weight of said oil absorbent.
3. The stabilized marble glue curing agent of claim 1, wherein said starch sodium xanthate-sodium acrylate graft copolymer is present in an amount of 25-75% by weight of said water absorbent.
4. The stabilized marble glue curing agent of any one of claims 1 to 3, wherein said raw materials further comprise 2 to 10 parts of an anti-settling agent.
5. The stabilized marble glue curing agent of claim 4, wherein said anti-settling agent is one or more of zinc stearate, barium stearate, aluminum stearate, and magnesium stearate.
6. The stable marble glue curing agent of claim 1, wherein the raw materials comprise, in parts by weight: 100 parts of benzoyl peroxide, 40-70 parts of dibutyl phthalate, 3-5 parts of oil absorbent, 1-2 parts of water absorbent and 5-10 parts of anti-settling agent;
the oil absorbent consists of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer and polynorbornene resin in a mass ratio of 1:2-2: 1;
the water absorbent consists of a starch sodium xanthate-sodium acrylate graft copolymer and a viscose fiber-acrylic acid graft copolymer in a mass ratio of 1:2-2: 1;
the anti-settling agent is one or more of zinc stearate, barium stearate, aluminum stearate and magnesium stearate.
7. The stable marble glue curing agent of claim 6, wherein the raw materials comprise, in parts by weight: 100 parts of benzoyl peroxide, 40-70 parts of dibutyl phthalate, 2-3 parts of acrylic acid-2-ethylhexyl-butyl methacrylate copolymer, 2-3 parts of polynorbornene resin, 0.75-1.25 parts of starch sodium xanthate-sodium acrylate graft copolymer, 0.75-1.25 parts of viscose fiber-acrylic acid graft copolymer and 8-10 parts of anti-settling agent.
8. The method of preparing the stabilized marble glue curing agent of any one of claims 1 to 7, comprising: the dibutyl phthalate and the benzoyl peroxide are mixed and stirred until the benzoyl peroxide is fully swelled, and then the rest raw materials are added and stirred continuously until the uniform and fine paste is obtained.
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| CN116606562B (en) * | 2023-04-27 | 2024-03-12 | 英德市城泰化工有限公司 | Preparation method of high-dispersivity paste benzoyl peroxide for sheet metal ash |
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| CN107641493A (en) * | 2017-09-28 | 2018-01-30 | 武汉市科达云石护理材料有限公司 | A kind of stable type cloud stone glue |
| CN111410924A (en) * | 2019-01-04 | 2020-07-14 | 台橡股份有限公司 | Pressure sensitive adhesive composition and protective film comprising the same |
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|---|---|---|---|---|
| EP2980171A1 (en) * | 2014-07-31 | 2016-02-03 | Fachhochschule Münster | Curable compound and cured product with antimicrobial properties |
| CN107641493A (en) * | 2017-09-28 | 2018-01-30 | 武汉市科达云石护理材料有限公司 | A kind of stable type cloud stone glue |
| CN111410924A (en) * | 2019-01-04 | 2020-07-14 | 台橡股份有限公司 | Pressure sensitive adhesive composition and protective film comprising the same |
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Effective date of registration: 20230906 Address after: No. 6 Danjin Road, Industrial Concentration Zone, Baita Town, Jintan District, Changzhou City, Jiangsu Province, 213299 Patentee after: Jiangsu Hercules Marble Care Materials Co.,Ltd. Address before: 430040 No.26, Jinhai Industrial Park Road, Jinyinhu office, Dongxihu District, Wuhan City, Hubei Province Patentee before: WUHAN KEDA MARBLE PROTECTIVE MATERIALS Co.,Ltd. |