CN115340837A - House seam beautifying epoxy color sand - Google Patents
House seam beautifying epoxy color sand Download PDFInfo
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- CN115340837A CN115340837A CN202211272898.9A CN202211272898A CN115340837A CN 115340837 A CN115340837 A CN 115340837A CN 202211272898 A CN202211272898 A CN 202211272898A CN 115340837 A CN115340837 A CN 115340837A
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- 239000004593 Epoxy Substances 0.000 title claims abstract description 28
- 239000004576 sand Substances 0.000 title claims abstract description 27
- 239000003607 modifier Substances 0.000 claims abstract description 59
- 239000000440 bentonite Substances 0.000 claims abstract description 57
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 57
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000003365 glass fiber Substances 0.000 claims abstract description 56
- 239000007864 aqueous solution Substances 0.000 claims abstract description 34
- 239000003822 epoxy resin Substances 0.000 claims abstract description 28
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 28
- 229920001661 Chitosan Polymers 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 13
- 239000012948 isocyanate Substances 0.000 claims abstract description 11
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 49
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 28
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 13
- HJVAFZMYQQSPHF-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanol;boric acid Chemical compound OB(O)O.OCCN(CCO)CCO HJVAFZMYQQSPHF-UHFFFAOYSA-N 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 7
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 7
- 229920000604 Polyethylene Glycol 200 Polymers 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 7
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 7
- 239000001099 ammonium carbonate Substances 0.000 claims description 7
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000002715 modification method Methods 0.000 claims description 7
- 229920002401 polyacrylamide Polymers 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 claims description 7
- 229940039790 sodium oxalate Drugs 0.000 claims description 7
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000003796 beauty Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 230000002195 synergetic effect Effects 0.000 abstract description 6
- 230000000295 complement effect Effects 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005336 cracking Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- 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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- 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
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of epoxy colored sand, and particularly discloses house seam beautifying epoxy colored sand which comprises the following raw materials in parts by weight: 30-40 parts of epoxy resin, 10-15 parts of modified glass fiber, 6-10 parts of isocyanate, 5-10 parts of bentonite modifier, 3-6 parts of silane coupling agent KH560, 4-8 parts of chitosan aqueous solution, 3-6 parts of color filler and 1-3 parts of curing agent. The epoxy color sand disclosed by the invention takes epoxy resin as a matrix, the modified glass fiber and the bentonite modifier are added, the modified glass fiber and the bentonite modifier have a synergistic effect, the glass fiber has a reinforcing effect, the bentonite has a lamellar structure and is inserted into the raw materials, the bentonite and the bentonite modifier are complementary to each other to enhance the effect of the product, the silane coupling agent KH560 is matched with the chitosan aqueous solution to enhance the interfacial property between the raw materials and enhance the contact effect of the raw materials, and the raw materials are mutually coordinated to enhance the high-temperature resistance and crack resistance of the product.
Description
Technical Field
The invention relates to the technical field of epoxy colored sand, in particular to house seam beautifying epoxy colored sand.
Background
In order to obtain smooth construction effect and smooth surface, most of the seam beautifying agent is produced by adopting solvent type epoxy, the product adopts a solvent as a carrier, and a large amount of volatile organic compounds harmful to human bodies are released in production, construction and later use.
The house seam beautifying epoxy color sand and the ceramic tile have excellent bonding strength, can realize the function of ultraviolet resistance, can ensure that the color fading and the falling off can not occur at the window and the balcony part, and simultaneously the effect of filling also ensures the real material of the product and increases the service time. The method has wider adaptability, can be made into the product with certain gloss effect and natural matte effect, and is more suitable for matching with high-grade bricks. The house seam beautifying epoxy color sand is more environment-friendly.
The existing epoxy mining sand is easy to crack at high temperature, the use efficiency of products is reduced, and based on the method, the epoxy mining sand is further improved and optimized.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide house crack beautifying epoxy color sand to solve the problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides house seam beautifying epoxy color sand which comprises the following raw materials in parts by weight:
30-40 parts of epoxy resin, 10-15 parts of modified glass fiber, 6-10 parts of isocyanate, 5-10 parts of bentonite modifier, 3-6 parts of silane coupling agent KH560, 4-8 parts of chitosan aqueous solution, 3-6 parts of color filler and 1-3 parts of curing agent.
Preferably, the epoxy color sand comprises the following raw materials in parts by weight:
35 parts of epoxy resin, 12.5 parts of modified glass fiber, 8 parts of isocyanate, 7.5 parts of bentonite modifier, 4.5 parts of silane coupling agent KH560, 6 parts of chitosan aqueous solution, 4.5 parts of color filler and 2 parts of curing agent.
Preferably, the epoxy resin is a hydrogenated bisphenol a type epoxy resin.
Preferably, the modification method of the modified glass fiber is as follows:
s01: adding glass fiber into a hydrochloric acid solution according to the weight ratio of 1;
s02: adding 3-5 parts of barium nitrate aqueous solution into 12-15 parts of triethanolamine borate, uniformly stirring, then adding 0.5-0.8 part of sodium oxalate, and fully stirring to obtain an addition modifier;
s03: and adding a modifier into the product S01, stirring for reaction, washing with water, and drying to obtain the modified glass fiber.
Preferably, the mass fraction of the hydrochloric acid solution is 10-15%.
Preferably, the mass fraction of the barium nitrate aqueous solution is 20-30%.
Preferably, the stirring reaction temperature of S03 is 45-55 ℃, the stirring time is 35-45min, and the stirring rotation speed is 550-650r/min.
Preferably, the preparation method of the bentonite modifier comprises the following steps: adding 20-25 parts of bentonite into 45-55 parts of deionized water for dispersion, then adding 1-3 parts of ammonium bicarbonate and 2-5 parts of PEG200, continuously stirring uniformly, finally adding 1-2 parts of polyacrylamide, continuously mixing fully, finally washing and drying to obtain the bentonite modifier.
The inventor of the invention finds that the addition of the modified glass fiber and the bentonite modifier has synergistic effect, and the anti-cracking performance and the high-temperature stability of the product are enhanced; meanwhile, the addition of the bentonite modifier can obviously enhance the temperature resistance stability of the product, the modified glass fiber is replaced by the glass fiber, the performance of the product is not obviously changed, and only the glass fiber prepared by the method is matched with the bentonite prepared by the method, the bentonite and the glass fiber have the most obvious synergistic effect, so that the prepared product has the most excellent high-temperature cracking resistance.
The inventor of the invention also finds that the performance of the product tends to be poor when no modifier is added in the preparation of the modified glass fiber and triethanolamine borate is added in the preparation of the modifier, the modified glass fiber prepared by the method of the invention has obvious improvement effect on the performance of the product, the improvement effect of other methods is not as good as that of the invention, and meanwhile, only the bentonite modifier prepared by the method of the invention has obvious improvement effect on the product, and the performance effect of the invention can not be achieved when the existing bentonite is used for replacing the bentonite modifier.
Preferably, the mass fraction of the chitosan aqueous solution is 10-20%.
Preferably, the color filler is one of titanium dioxide, noble silver powder and pearl powder; the curing agent is polyether amine D-220.
Compared with the prior art, the invention has the following beneficial effects:
the epoxy color sand takes epoxy resin as a matrix, the modified glass fiber and the bentonite modifier are added, the epoxy resin and the bentonite modifier have a synergistic effect, the glass fiber has a reinforcing effect, the bentonite has a lamellar structure and is inserted into the raw materials, the bentonite and the glass fiber are complementary to enhance the effect of the product, the silane coupling agent KH560 and the chitosan aqueous solution are matched to enhance the interfacial property between the raw materials and improve the contact effect of the raw materials, and the raw materials are mutually coordinated to improve the high temperature resistance and crack resistance of the product.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The house beautiful seam epoxy color sand comprises the following raw materials in parts by weight:
30-40 parts of epoxy resin, 10-15 parts of modified glass fiber, 6-10 parts of isocyanate, 5-10 parts of bentonite modifier, 3-6 parts of silane coupling agent KH560, 4-8 parts of chitosan aqueous solution, 3-6 parts of color filler and 1-3 parts of curing agent.
The epoxy color sand comprises the following raw materials in parts by weight:
35 parts of epoxy resin, 12.5 parts of modified glass fiber, 8 parts of isocyanate, 7.5 parts of bentonite modifier, 4.5 parts of silane coupling agent KH560, 6 parts of chitosan aqueous solution, 4.5 parts of color filler and 2 parts of curing agent.
The epoxy resin of this example was a hydrogenated bisphenol a type epoxy resin.
The modification method of the modified glass fiber of the embodiment comprises the following steps:
s01: adding glass fiber into a hydrochloric acid solution according to the weight ratio of 1;
s02: adding 3-5 parts of barium nitrate aqueous solution into 12-15 parts of triethanolamine borate, uniformly stirring, then adding 0.5-0.8 part of sodium oxalate, and fully stirring to obtain an addition modifier;
s03: and adding a modifier into the product S01, stirring for reaction, washing with water, and drying to obtain the modified glass fiber.
The mass fraction of the hydrochloric acid solution in this example is 10-15%.
The mass fraction of the barium nitrate aqueous solution of this example was 20 to 30%.
In the embodiment, the stirring reaction temperature of S03 is 45-55 ℃, the stirring time is 35-45min, and the stirring speed is 550-650r/min.
The preparation method of the bentonite modifier in the embodiment comprises the following steps: adding 20-25 parts of bentonite into 45-55 parts of deionized water for dispersion, then adding 1-3 parts of ammonium bicarbonate and 2-5 parts of PEG200, continuously stirring uniformly, finally adding 1-2 parts of polyacrylamide, continuously mixing fully, finally washing and drying to obtain the bentonite modifier.
The mass fraction of the chitosan aqueous solution in this example is 10-20%.
The color filler of the embodiment is one of titanium dioxide, noble silver powder and pearl powder; the curing agent is polyether amine D-220.
Example 1.
The house crack beautifying epoxy color sand comprises the following raw materials in parts by weight:
30 parts of epoxy resin, 10 parts of modified glass fiber, 6 parts of isocyanate, 5 parts of bentonite modifier, 3 parts of silane coupling agent KH560, 4 parts of chitosan aqueous solution, 3 parts of color filler and 1 part of curing agent.
The epoxy resin of this example was a hydrogenated bisphenol a type epoxy resin.
The modification method of the modified glass fiber of the embodiment comprises the following steps:
s01: adding glass fiber into a hydrochloric acid solution according to the weight ratio of 1;
s02: adding 3 parts of barium nitrate aqueous solution into 12 parts of triethanolamine borate, uniformly stirring, then adding 0.5 part of sodium oxalate, and fully stirring to obtain an addition modifier;
s03: and adding a modifier into the product S01, stirring for reaction, washing with water, and drying to obtain the modified glass fiber.
The mass fraction of the hydrochloric acid solution in this example was 10%.
The mass fraction of the barium nitrate aqueous solution of this example was 20%.
In this example, the stirring reaction temperature of S03 was 45 deg.C, the stirring time was 35min, and the stirring speed was 550r/min.
The preparation method of the bentonite modifier in the embodiment comprises the following steps: adding 20 parts of bentonite into 45 parts of deionized water for dispersion, then adding 1 part of ammonium bicarbonate and 2 parts of PEG200, continuously stirring uniformly, finally adding 1 part of polyacrylamide, continuously and fully mixing, and finally washing and drying to obtain the bentonite modifier.
The mass fraction of the chitosan aqueous solution in this example was 10%.
The color filler of the embodiment is titanium dioxide; the curing agent is polyether amine D-220.
Example 2.
The house crack beautifying epoxy color sand comprises the following raw materials in parts by weight:
40 parts of epoxy resin, 15 parts of modified glass fiber, 10 parts of isocyanate, 10 parts of bentonite modifier, 6 parts of silane coupling agent KH560, 8 parts of chitosan aqueous solution, 6 parts of color filler and 3 parts of curing agent.
The epoxy resin of this example was a hydrogenated bisphenol a type epoxy resin.
The modification method of the modified glass fiber of the embodiment comprises the following steps:
s01: adding glass fiber into a hydrochloric acid solution according to the weight ratio of 1;
s02: adding 5 parts of barium nitrate aqueous solution into 15 parts of triethanolamine borate, uniformly stirring, then adding 0.8 part of sodium oxalate, and fully stirring to obtain an addition modifier;
s03: and adding a modifier into the product S01, stirring for reaction, washing with water, and drying to obtain the modified glass fiber.
The mass fraction of the hydrochloric acid solution in this example was 15%.
The mass fraction of the barium nitrate aqueous solution of this example was 30%.
In this example, the stirring reaction temperature of S03 was 55 deg.C, the stirring time was 45min, and the stirring speed was 650r/min.
The preparation method of the bentonite modifier in the embodiment comprises the following steps: adding 25 parts of bentonite into 55 parts of deionized water for dispersion, then adding 3 parts of ammonium bicarbonate and 5 parts of PEG200, continuously stirring uniformly, finally adding 2 parts of polyacrylamide, continuously mixing fully, finally washing and drying to obtain the bentonite modifier.
The mass fraction of the chitosan aqueous solution in this example was 20%.
The color filler of the embodiment is noble silver powder; the curing agent is polyether amine D-220.
Example 3.
The house beautiful seam epoxy color sand comprises the following raw materials in parts by weight:
35 parts of epoxy resin, 12.5 parts of modified glass fiber, 8 parts of isocyanate, 7.5 parts of bentonite modifier, 4.5 parts of silane coupling agent KH560, 6 parts of chitosan aqueous solution, 4.5 parts of color filler and 2 parts of curing agent.
The epoxy resin of this example was a hydrogenated bisphenol a type epoxy resin.
The modification method of the modified glass fiber of the embodiment comprises the following steps:
s01: adding glass fiber into a hydrochloric acid solution according to the weight ratio of 1;
s02: adding 13.5 parts of triethanolamine borate into 4 parts of barium nitrate aqueous solution, uniformly stirring, then adding 0.65 part of sodium oxalate, and fully stirring to obtain an addition modifier;
s03: and adding a modifier into the product S01, stirring for reaction, washing with water, and drying to obtain the modified glass fiber.
The mass fraction of the hydrochloric acid solution in this example was 12.5%.
The mass fraction of the barium nitrate aqueous solution of this example was 25%.
In this example, the stirring reaction temperature of S03 is 50 ℃, the stirring time is 40min, and the stirring speed is 600r/min.
The preparation method of the bentonite modifier in the embodiment comprises the following steps: adding 22.5 parts of bentonite into 50 parts of deionized water for dispersion, then adding 2 parts of ammonium bicarbonate and 3.5 parts of PEG200, continuously stirring uniformly, finally adding 1.5 parts of polyacrylamide, continuously and fully mixing, finally washing and drying to obtain the bentonite modifier.
The mass fraction of the chitosan aqueous solution in this example was 15%.
The color filler of the embodiment is pearl powder; the curing agent is polyether amine D-220.
Example 4.
The house beautiful seam epoxy color sand comprises the following raw materials in parts by weight:
32 parts of epoxy resin, 12 parts of modified glass fiber, 7 parts of isocyanate, 6 parts of bentonite modifier, 4 parts of silane coupling agent KH560, 5 parts of chitosan aqueous solution, 4 parts of color filler and 2 parts of curing agent.
The epoxy resin of this example was a hydrogenated bisphenol a type epoxy resin.
The modification method of the modified glass fiber of the embodiment comprises the following steps:
s01: adding glass fiber into a hydrochloric acid solution according to the weight ratio of 1;
s02: adding 13 parts of triethanolamine borate into 4 parts of barium nitrate aqueous solution, uniformly stirring, then adding 0.6 part of sodium oxalate, and fully stirring to obtain an addition modifier;
s03: and adding a modifier into the product S01, stirring for reaction, washing with water, and drying to obtain the modified glass fiber.
The mass fraction of the hydrochloric acid solution in this example was 12%.
The mass fraction of the barium nitrate aqueous solution of this example was 22%.
In the present example, the stirring reaction temperature of S03 was 47 ℃, the stirring time was 38min, and the stirring speed was 560r/min.
The preparation method of the bentonite modifier in the embodiment comprises the following steps: adding 22 parts of bentonite into 46 parts of deionized water for dispersion, then adding 2 parts of ammonium bicarbonate and 3 parts of PEG200, continuously stirring uniformly, finally adding 1.2 parts of polyacrylamide, continuously and fully mixing, finally washing with water and drying to obtain the bentonite modifier.
The mass fraction of the chitosan aqueous solution in this example was 12%.
The color filler of the embodiment is titanium dioxide; the curing agent is polyether amine D-220.
Comparative example 1.
In contrast to example 3, no modified glass fibers were added.
Comparative example 2.
The difference from example 3 is that the modified glass fiber is replaced by glass fiber.
Comparative example 3.
The difference from example 3 is that no modifier is added in the preparation of the modified glass fiber.
Comparative example 4.
The difference from example 3 is that no triethanolamine borate was added in the preparation of the addition modifier.
Comparative example 5.
Unlike example 3, no bentonite modifier was added.
Comparative example 6.
The difference from example 3 is that bentonite is used instead of the bentonite modifier.
The results of the performance measurements of examples 1 to 4 and comparative examples 1 to 6 are as follows
From examples 1 to 4 and comparative examples 1 to 6,
the product of example 3 has excellent dynamic anti-cracking performance and stability after damp-heat aging, and the modified glass fiber and the bentonite modifier have synergistic effect by adding the two, so that the anti-cracking performance and the high-temperature stability of the product are enhanced; meanwhile, the addition of the bentonite modifier can obviously enhance the temperature resistance stability of the product, the modified glass fiber is replaced by glass fiber, the performance of the product is not obviously changed, and only the glass fiber prepared by the method is matched with the bentonite prepared by the method, the synergistic effect of the glass fiber and the bentonite is most obvious, so that the prepared product has the most excellent high-temperature cracking resistance.
The modifier is not added in the preparation of the modified glass fiber, the triethanolamine borate is not added in the preparation of the modifier, the performance of the product has a trend of deterioration, the modified glass fiber prepared by the method has obvious improvement effect on the performance of the product, other methods are not as good as the improvement effect of the invention, and meanwhile, only the bentonite modifier prepared by the method has obvious improvement effect on the product, and the existing bentonite is adopted for replacement, so that the performance effect of the invention can not be achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The house seam beautifying epoxy color sand is characterized by comprising the following raw materials in parts by weight:
30-40 parts of epoxy resin, 10-15 parts of modified glass fiber, 6-10 parts of isocyanate, 5-10 parts of bentonite modifier, 3-6 parts of silane coupling agent KH560, 4-8 parts of chitosan aqueous solution, 3-6 parts of color filler and 1-3 parts of curing agent; the modification method of the modified glass fiber comprises the following steps:
s01: adding glass fiber into a hydrochloric acid solution according to the weight ratio of 1;
s02: adding 3-5 parts of barium nitrate aqueous solution into 12-15 parts of triethanolamine borate, uniformly stirring, then adding 0.5-0.8 part of sodium oxalate, and fully stirring to obtain an additive modifier;
s03: adding a modifier into the product S01, stirring for reaction, washing with water, and drying to obtain modified glass fibers; the mass fraction of the hydrochloric acid solution is 10-15%; the mass fraction of the barium nitrate aqueous solution is 20-30%;
the preparation method of the bentonite modifier comprises the following steps: adding 20-25 parts of bentonite into 45-55 parts of deionized water for dispersion, then adding 1-3 parts of ammonium bicarbonate and 2-5 parts of PEG200, continuously stirring uniformly, finally adding 1-2 parts of polyacrylamide, continuously mixing fully, finally washing and drying to obtain a bentonite modifier; the mass fraction of the chitosan aqueous solution is 10-20%.
2. The house beauty seam epoxy color sand according to claim 1, characterized in that the epoxy color sand comprises the following raw materials in parts by weight:
35 parts of epoxy resin, 12.5 parts of modified glass fiber, 8 parts of isocyanate, 7.5 parts of bentonite modifier, 4.5 parts of silane coupling agent KH560, 6 parts of chitosan aqueous solution, 4.5 parts of color filler and 2 parts of curing agent.
3. The house crack beautifying epoxy colored sand according to claim 1, wherein the epoxy resin is hydrogenated bisphenol A type epoxy resin.
4. The house crack beautifying epoxy colored sand according to claim 1, wherein the stirring reaction temperature of S03 is 45-55 ℃, the stirring time is 35-45min, and the stirring rotation speed is 550-650r/min.
5. The house beauty-joint epoxy color sand according to claim 1, wherein the color filler is one of titanium dioxide, noble silver powder and pearl powder; the curing agent is polyether amine D-220.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211272898.9A CN115340837A (en) | 2022-10-18 | 2022-10-18 | House seam beautifying epoxy color sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211272898.9A CN115340837A (en) | 2022-10-18 | 2022-10-18 | House seam beautifying epoxy color sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115340837A true CN115340837A (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211272898.9A Pending CN115340837A (en) | 2022-10-18 | 2022-10-18 | House seam beautifying epoxy color sand |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116082922A (en) * | 2023-03-16 | 2023-05-09 | 广东火仑建材科技发展有限公司 | Epoxy color sand joint beautifying agent and preparation method thereof |
| CN116462937A (en) * | 2023-05-26 | 2023-07-21 | 上海雄润环氧材料有限公司 | Low-smoke high-toughness epoxy resin and preparation method thereof |
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| CN105255429A (en) * | 2015-10-30 | 2016-01-20 | 浙江港流高分子科技有限公司 | Floor caulking agent, preparation method of floor caulking agent and application of floor caulking agent |
| CN114752329A (en) * | 2022-05-31 | 2022-07-15 | 皇氏工匠(上海)企业发展有限公司 | High-temperature-resistant non-cracking epoxy color sand crack beautifying agent and preparation method thereof |
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| CN105255429A (en) * | 2015-10-30 | 2016-01-20 | 浙江港流高分子科技有限公司 | Floor caulking agent, preparation method of floor caulking agent and application of floor caulking agent |
| CN114752329A (en) * | 2022-05-31 | 2022-07-15 | 皇氏工匠(上海)企业发展有限公司 | High-temperature-resistant non-cracking epoxy color sand crack beautifying agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116082922A (en) * | 2023-03-16 | 2023-05-09 | 广东火仑建材科技发展有限公司 | Epoxy color sand joint beautifying agent and preparation method thereof |
| CN116462937A (en) * | 2023-05-26 | 2023-07-21 | 上海雄润环氧材料有限公司 | Low-smoke high-toughness epoxy resin and preparation method thereof |
| CN116462937B (en) * | 2023-05-26 | 2024-03-15 | 上海雄润环氧材料有限公司 | Low-smoke high-toughness epoxy resin and preparation method thereof |
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Application publication date: 20221115 |