CN115974455A - Ultraviolet aging resistant quartz stone plate and preparation method thereof - Google Patents

Ultraviolet aging resistant quartz stone plate and preparation method thereof Download PDF

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Publication number
CN115974455A
CN115974455A CN202211618244.7A CN202211618244A CN115974455A CN 115974455 A CN115974455 A CN 115974455A CN 202211618244 A CN202211618244 A CN 202211618244A CN 115974455 A CN115974455 A CN 115974455A
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quartz
plate
parts
methyl methacrylate
mixed slurry
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庄峰
姜浩
陈小凤
田雨
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Qingyuan Gelandi High Molecular Material Co ltd
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Qingyuan Gelandi High Molecular Material Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses an ultraviolet aging resistant quartz stone plate and a preparation method thereof, and relates to the technical field of architectural decoration. The quartz stone plate comprises the following components in parts by weight: methyl methacrylate-methyl methacrylate copolymer: 9-18 parts; quartz sand: 35-60 parts; quartz powder: 25-33 parts; silane coupling agent: 0.08 to 1 portion; curing agent: 0.08 to 0.25 portion; accelerator (b): 0.008-0.03 part; color paste: 0.05 to 0.7 portion. According to the preparation method, the methyl methacrylate-methyl methacrylate copolymer is adopted to replace the traditional unsaturated polyester resin raw material, and is mixed with quartz stones and quartz sand aggregates with different meshes to form a compact plate, so that the ageing resistance is excellent, the bonding degree of the resin to the aggregates is strong, the hardness of the cured resin is high, the aggregate particles are not easy to fall off in the surface treatment process, the glossiness of the surface of the plate is improved by the smooth surface, and the texture of the plate is good.

Description

Ultraviolet aging resistant quartz stone plate and preparation method thereof
Technical Field
The invention relates to the technical field of architectural decoration, in particular to an ultraviolet aging resistant quartz stone plate and a preparation method thereof.
Background
Natural stone is an important part of building materials, because the natural stone has diversified colors and is easy to mine, the natural stone is widely applied to the fields of buildings, furniture and the like, and the mining utilization rate is low along with the excessive increase of the mining quantity, so that the mining of the natural stone is limited, and the supply quantity is not enough to meet the market demand. The artificial quartz stone is a novel artificial building material, has the characteristics of high strength, high hardness, high temperature resistance, corrosion resistance and the like, is used as a substitute of natural stone at present, and is widely applied to the fields of building decoration such as building boards, wall surface construction, ground construction and the like. The artificial quartz stone is a large-size plate which is mainly composed of quartz stone and resin and is pressed under certain physical and chemical conditions through mechanical equipment.
However, the resin raw material generally adopted by the artificial quartz stone at present is thermosetting resin, mainly o-benzene or m-benzene unsaturated polyester resin, the aging resistance of the resin is poor, the plate is easy to turn yellow and dim, the toughness of the plate is insufficient, the plate is large in brittleness and easy to crack, the surface hardness and the glossiness are insufficient, the improvement needs to be processed by coating and surface crystallization, the effect of the processing mode is not lasting, and the quality of the plate cannot be guaranteed.
Disclosure of Invention
The invention provides an ultraviolet aging resistant quartz stone plate and a preparation method thereof, which are used for synchronously improving the aging resistance, hardness and glossiness of the quartz stone plate.
In order to solve the technical problems, the invention provides an ultraviolet aging resistant quartz stone plate which comprises the following components in parts by weight:
methyl methacrylate-methyl methacrylate copolymer: 9-18 parts;
quartz sand: 35-60 parts;
quartz powder: 25-33 parts;
silane coupling agent: 0.08 to 1 part;
curing agent: 0.08 to 0.25 portion;
accelerator (b): 0.008 parts to 0.03 parts;
color paste: 0.05 to 0.7 portion;
wherein the mesh number of the quartz sand is 6-120 meshes, and the mesh number of the quartz powder is 324-400 meshes.
By adopting the scheme, after the methyl methacrylate-methyl methacrylate copolymer and the filler in the system are blended with each other, the generated plate is compact, the hardness of the resin material is high, the hardness of the final plate can be obviously improved, the falling of particles can be reduced in the surface polishing treatment process, the glossiness of the surface of the plate is improved, and the aging resistance of the plate is synchronously improved.
Preferably, the quartz stone plate further comprises 10-20 parts by weight of solid particles, and the solid particles are one or more of silicalite, shell powder and mica powder.
Preferably, the silane coupling agent is one or more of 3- (trimethoxysilyl) propyl methacrylate, 3- (2-glycidoxy) propyltrimethoxysilane and gamma-aminopropyltriethoxysilane.
Preferably, the curing agent is tert-butyl peroxymaleate.
Preferably, the mass ratio of the quartz sand to the quartz powder to the solid particles is (7-8): 5: (2-4).
Preferably, the quartz sand comprises the following components in a mass ratio of 1:2:2, 8-16 meshes, 26-40 meshes and 70-120 meshes.
Preferably, the accelerator is JHT8-D.
In order to solve the above technical problems, the second object of the present invention is to provide a method for preparing an ultraviolet aging resistant quartz stone plate, comprising the following steps:
s1, weighing quartz sand, quartz powder and solid particles, uniformly mixing to obtain an aggregate mixture, weighing a methyl methacrylate-methyl methacrylate copolymer, a silane coupling agent, a curing agent, an accelerator and color paste, and uniformly mixing to obtain first mixed slurry;
s2, pouring the aggregate mixture into stirring equipment, adding the first mixed slurry under the stirring condition, and uniformly stirring to obtain second mixed slurry;
and S3, injecting the second mixed slurry into a mold, uniformly spreading the second mixed slurry, pressing the second mixed slurry in vacuum to obtain a blank plate, putting the blank plate and the mold into a curing furnace for heating and curing, demolding, performing surface treatment on the blank plate, and then coating a film to obtain a finished product.
Preferably, in S2, the aggregate mixture is poured into a stirring device, the first mixed slurry is added under the stirring of 10-20 r/min, and after stirring for 1-3min under the stirring of 10-20 r/min, the second mixed slurry is obtained under the stirring of 30-60 r/min for 2-5 min.
Preferably, in S3, the conditions for pressing under vacuum are: the degree of vacuum is 0.8-1MPa, and the frequency of pressing is changed to 25HZ for 5s, 30HZ for 5s, 35HZ for 10s, 45HZ for 20s, 40HZ for 5s, and 35HZ for 5s.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the preparation method, the methyl methacrylate-methyl methacrylate copolymer is adopted to replace the traditional unsaturated polyester resin raw material, and is mixed with quartz powder and quartz sand aggregate with different meshes to form a compact plate, so that the ageing resistance is excellent, the adhesion degree of the resin to the aggregate is strong, particles are not easy to fall off in the surface treatment process, the hardness of the cured resin is high, a mottled depression is not easy to form in the surface treatment process, and the glossiness of the surface of the plate is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
TABLE 1 sources of raw materials in examples of the present application and comparative examples
Figure BDA0004000856730000031
Examples 1 to 6
The ultraviolet aging resistant quartz stone plate comprises a methyl methacrylate-methyl methacrylate copolymer, quartz sand, quartz powder, a silane coupling agent, a curing agent, an accelerator and color paste, preferably, the quartz sand comprises quartz sand with the mesh number of 8-16 meshes, 26-40 meshes or 70-120 meshes, the mesh number of the quartz powder is 400 meshes, the curing agent is tert-butyl peroxymaleate, the silane coupling agent is 3- (trimethoxysilyl) propyl methacrylate, the ultraviolet aging resistant quartz stone plate also comprises solid particles with the average particle size of 0.05mm, the solid particles are silicalite or shell powder, the accelerator is JHT8-D (cobalt water), and the preparation method comprises the following steps:
s1, weighing quartz sand, quartz powder and solid particles according to a formula ratio, uniformly mixing to obtain an aggregate mixture for later use, weighing methyl acrylate-methyl methacrylate copolymer, a silane coupling agent, a curing agent, an accelerator and color paste according to the formula ratio, and uniformly mixing to obtain first mixed slurry for later use;
s2, pouring the aggregate mixture into a stirring pot, adding the first mixed slurry under the stirring of 10-20 revolutions/min, stirring for 1-3min at 10-20 revolutions/min, and stirring for 2-5min at 30-60 revolutions/min to obtain second mixed slurry;
and S3, injecting the second mixed slurry into a mold, uniformly spreading the second mixed slurry, pressing the second mixed slurry under vacuum with the vacuum degree of 0.8-1MPa and the pressing frequency of 25HZ for 5S, 30HZ for 5S, 35HZ for 10S, 45HZ for 20S, 40HZ for 5S and 35HZ for 5S to obtain a blank plate, putting the blank plate and the mold into a curing furnace for heating and curing, taking the blank plate out of the mold, performing coarse grinding (50-120 meshes), fine grinding (300-800 meshes), polishing (1000-2500 meshes) on the blank plate, performing surface treatment by using an antifouling liquid, and then coating a film to obtain a finished product.
TABLE 2 Quartz plate materials of examples 1 to 6 of the present application and comparative examples 1 to 2
Figure BDA0004000856730000041
Figure BDA0004000856730000051
Comparative example 3
The ultraviolet aging resistant quartz stone plate has the same steps, reagents and process parameters as those in example 2, except that the methyl methacrylate-methyl methacrylate copolymer is replaced by methyl methacrylate.
Comparative example 4
The ultraviolet aging resistant quartz stone plate has the same steps, reagents and process parameters as those in example 2, except that the methyl methacrylate-methyl methacrylate copolymer is replaced by polymethyl methacrylate.
Comparative example 5
The ultraviolet aging resistant quartz stone plate has the same steps, reagents used in the steps and process parameters as those in the embodiment 2, and is different in that a silane coupling agent is replaced by a titanate coupling agent, and the titanate coupling agent is NDZ-201.
Comparative example 6
The ultraviolet aging resistant quartz plate has the same steps and reagents and process parameters as those in example 2, except that the methyl methacrylate-methyl methacrylate copolymer is replaced by equal amount of quartz resin LY-128TA and tert-butyl peroxymaleate is replaced by equal amount of methyl ethyl ketone.
Performance test
1. And (3) aging resistance test: the test was carried out according to method 3A, cycle number 1 of GB/T16422.2-2014, and the test results are shown in Table 3;
2. and (3) testing hardness: hardness test is carried out according to the GB/T9966.5-2001 standard, and the test results are shown in Table 3;
3. and (3) testing the glossiness: the gloss measurement was carried out according to GB 11942-1989, and the measurement results are shown in Table 3.
TABLE 3-results of examining the properties of examples 1 to 6 of the present application and comparative examples 1 to 5
Figure BDA0004000856730000061
Combining the performance test results of example 6 and comparative examples 1-2 in table 3, it can be seen that, in comparative example one, because quartz powder is not contained, the product lacks viscosity, cannot be pressed into a plate, and the product cannot be made into a plate, and in comparative example 2, quartz sand is not added, the wear resistance of the product is insufficient, and the hardness and the glossiness of the product are greatly reduced.
The performance test results of the embodiment 2 and the comparative examples 3-4 and 6 in the table 3 show that compared with other resins, after the methyl methacrylate-methyl methacrylate copolymer and the filler in the system are blended, the produced plate is compact, the hardness is obviously improved, the falling of particles can be reduced in the surface polishing and grinding treatment process, the glossiness of the surface of the plate is improved, and the aging resistance of the plate is synchronously improved.
The above-mentioned embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and are not intended to limit the scope of the present invention. It should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The ultraviolet aging resistant quartz stone plate is characterized by comprising the following components in parts by weight:
methyl methacrylate-methyl methacrylate copolymer: 9-18 parts;
quartz sand: 35-60 parts;
quartz powder: 25-33 parts;
silane coupling agent: 0.08 to 1 part;
curing agent: 0.08 to 0.25 portion;
accelerator (b): 0.008 parts to 0.03 parts;
color paste: 0.05 to 0.7 portion;
wherein the mesh number of the quartz sand is 6-120 meshes, and the mesh number of the quartz powder is 325-400 meshes.
2. The ultraviolet aging resistant quartzite sheet material as claimed in claim 1, further comprising 10 to 20 parts by weight of solid particles, wherein the solid particles are one or more of silica rock, shell powder and mica powder.
3. The ultraviolet resistant silica plate of claim 2 wherein said silane coupling agent is one or more of 3- (trimethoxysilyl) propyl methacrylate, 3- (2-glycidoxy) propyltrimethoxysilane, gamma-aminopropyltriethoxysilane.
4. The ultraviolet light aging resistant quartz stone slab of claim 2, wherein the curing agent is t-butyl peroxymaleate.
5. The ultraviolet aging resistant quartzite sheet material as claimed in claim 2, wherein the mass ratio of the quartz sand, the quartz powder and the solid particles is (7-8): 5: (2-4).
6. The ultraviolet aging resistant quartz stone slab as claimed in claim 2, wherein the quartz sand comprises, by mass, 1:2:2, 8-16 meshes, 26-40 meshes and 70-120 meshes.
7. The ultraviolet light aging resistant quartzite sheet material of claim 1, wherein the accelerator is JHT8-D.
8. A method for preparing the ultraviolet aging resistant quartz stone plate according to any one of claims 2 to 7, which comprises the following steps:
s1, weighing quartz sand, quartz powder and solid particles, uniformly mixing to obtain an aggregate mixture, weighing a methyl methacrylate-methyl methacrylate copolymer, a silane coupling agent, a curing agent, an accelerator and color paste, and uniformly mixing to obtain first mixed slurry;
s2, pouring the aggregate mixture into stirring equipment, adding the first mixed slurry under the stirring condition, and uniformly stirring to obtain second mixed slurry;
and S3, injecting the second mixed slurry into a mold, uniformly spreading the second mixed slurry, pressing the second mixed slurry in vacuum to obtain a blank plate, putting the blank plate and the mold into a curing furnace for heating and curing, demolding, performing surface treatment on the blank plate, and then coating a film to obtain a finished product.
9. The method for preparing an ultraviolet aging resistant quartzite plate as claimed in claim 8, wherein in S2, the aggregate mixture is poured into a stirring device, the first mixed slurry is added under stirring at 10-20 rpm, and after stirring for 1-3min at 10-20 rpm, the second mixed slurry is obtained under stirring for 2-5min at 30-60 rpm.
10. The method for preparing a uv aging-resistant quartz stone slab as claimed in claim 8, wherein in S3, the pressing condition under vacuum is: the degree of vacuum is 0.8-1MPa, and the frequency of pressing is changed to 25HZ for 5s, 30HZ for 5s, 35HZ for 10s, 45HZ for 20s, 40HZ for 5s, and 35HZ for 5s.
CN202211618244.7A 2022-12-15 2022-12-15 Ultraviolet aging resistant quartz stone plate and preparation method thereof Pending CN115974455A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06305801A (en) * 1993-04-16 1994-11-01 Mitsui Sekika Sanshi Kk Artificial stone, its production and concrete secondary products
US6174954B1 (en) * 1997-10-29 2001-01-16 Sumitomo Chemical Company, Limited Resin composition, artificial marble obtained by molding composition and production thereof
JP2005132673A (en) * 2003-10-30 2005-05-26 Mitsubishi Rayon Co Ltd Artificial marble
KR20050102798A (en) * 2004-04-23 2005-10-27 엘지엠엠에이 주식회사 The artificial marble used by bone ash and manufacture thereof
US20060036010A1 (en) * 2004-08-12 2006-02-16 Hang-Young Kim Resin composition comprising styrene-methylmethacrylate copolymer, artificial marble produced using the same, and the process for producing the artificial marble using the same
CN103998211A (en) * 2011-10-21 2014-08-20 阿肯马法国公司 Composite material via in-situ polymerization of thermoplastic (meth)acrylic resins and its use
CN104926198A (en) * 2015-06-17 2015-09-23 必图实业(东莞)有限公司 Preparation method for novel quartz stone plate
CN105693942A (en) * 2016-04-22 2016-06-22 湖北必图建材科技有限公司 Novel acrylic-based resin material applied to mineral-filled type polymer composite and production technology of novel acrylic-based resin material
CN107674357A (en) * 2017-10-17 2018-02-09 王新 Acrylic quartz stone slab and preparation method thereof
CN113480686A (en) * 2021-07-15 2021-10-08 滁州杰事杰新材料有限公司 Polymethyl methacrylate composite material and preparation method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06305801A (en) * 1993-04-16 1994-11-01 Mitsui Sekika Sanshi Kk Artificial stone, its production and concrete secondary products
US6174954B1 (en) * 1997-10-29 2001-01-16 Sumitomo Chemical Company, Limited Resin composition, artificial marble obtained by molding composition and production thereof
JP2005132673A (en) * 2003-10-30 2005-05-26 Mitsubishi Rayon Co Ltd Artificial marble
KR20050102798A (en) * 2004-04-23 2005-10-27 엘지엠엠에이 주식회사 The artificial marble used by bone ash and manufacture thereof
US20060036010A1 (en) * 2004-08-12 2006-02-16 Hang-Young Kim Resin composition comprising styrene-methylmethacrylate copolymer, artificial marble produced using the same, and the process for producing the artificial marble using the same
CN103998211A (en) * 2011-10-21 2014-08-20 阿肯马法国公司 Composite material via in-situ polymerization of thermoplastic (meth)acrylic resins and its use
CN104926198A (en) * 2015-06-17 2015-09-23 必图实业(东莞)有限公司 Preparation method for novel quartz stone plate
CN105693942A (en) * 2016-04-22 2016-06-22 湖北必图建材科技有限公司 Novel acrylic-based resin material applied to mineral-filled type polymer composite and production technology of novel acrylic-based resin material
CN107674357A (en) * 2017-10-17 2018-02-09 王新 Acrylic quartz stone slab and preparation method thereof
CN113480686A (en) * 2021-07-15 2021-10-08 滁州杰事杰新材料有限公司 Polymethyl methacrylate composite material and preparation method thereof

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