CN111454017A - Novel resin type artificial stone and preparation method thereof - Google Patents
Novel resin type artificial stone and preparation method thereof Download PDFInfo
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- CN111454017A CN111454017A CN202010311232.4A CN202010311232A CN111454017A CN 111454017 A CN111454017 A CN 111454017A CN 202010311232 A CN202010311232 A CN 202010311232A CN 111454017 A CN111454017 A CN 111454017A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
- B29C67/243—Moulding mineral aggregates bonded with resin, e.g. resin concrete for making articles of definite length
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/542—Artificial natural stone
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a novel resin type artificial stone and a preparation method thereof, the artificial stone comprises aggregate, filler, steel wires, cementing agent and ultraviolet absorbent, wherein the aggregate is made of basalt stones according to the discontinuous parts by weight: 18-28 parts of particles with the particle size of 20-23mm, 16-23 parts of particles with the particle size of 15-18mm, 12-17 parts of particles with the particle size of 10-13mm, 9-13 parts of particles with the particle size of 5-9mm, 5-9 parts of particles with the particle size of 2-4mm and 5-8 parts of particles with the particle size of 1-2 mm; the filler adopts fly ash, quartz powder and calcium carbonate powder; the cementing agent consists of 6 to 12 parts by weight of 0683A epoxy resin and 2 to 4 parts by weight of 0683B epoxy curing agent; the prepared resin type artificial stone has high strength and hardness, does not crack and fracture, and has wider application range.
Description
Technical Field
The invention belongs to the technical field of artificial stones, and particularly relates to a preparation method of a novel resin type artificial stone.
Background
The resin type artificial stone is a novel building decoration material which is developed in recent years and is prepared by taking resin as a matrix, adding different materials such as aggregates, fillers and auxiliaries according to a certain proportion, mixing, stirring, pouring, gelling, curing and the like. The artificial resin stone has the texture of natural marble and the hardness of granite, and has the advantages of oil resistance, corrosion resistance, moth resistance, moisture resistance and the like. The content of radioactive elements of natural marble is often overproof, which causes harm to human body, while the resin type artificial stone does not have the problem; the natural marble is easy to break and difficult to process, and the resin type artificial stone adopts resin with high elongation and good toughness as a matrix, is easy to process and can be made into various forms as people want.
The most common problems of the prior resin type artificial stone are cracking and breaking, the product has low strength and large brittleness, and the resin type artificial stone is easy to break under the impact of a little large force; deformation is easy to occur when the glass is used in a high-temperature and high-humidity environment.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the preparation method of the resin type artificial stone, which can overcome the defects in the prior art, has high strength and hardness, does not crack or fracture, and has wider application range.
In order to solve the technical problems, the invention adopts the following technical scheme:
a novel resin type artificial stone is prepared from the following raw materials in parts by weight: 65-98 parts of aggregate, 9-26 parts of filler, 3-5 parts of steel wire, 8-16 parts of cementing material and 1-5 parts of ultraviolet absorbent.
Further, the aggregate is made of basalt stones, and the basalt stones are prepared from the following components in intermittent gradation by weight: 18-28 parts of basalt stone with the granularity of 20-23mm, 16-23 parts of basalt stone with the granularity of 15-18mm, 12-17 parts of basalt stone with the granularity of 10-13mm, 9-13 parts of basalt stone with the granularity of 5-9mm, 5-9 parts of basalt stone with the granularity of 2-4mm and 5-8 parts of basalt stone with the granularity of 1-2 mm.
Further, the aggregate is made of basalt stones, and the basalt stones are prepared from the following components in intermittent gradation by weight: 20 parts of basalt stone with the granularity of 20-23mm, 18 parts of basalt stone with the granularity of 15-18mm, 15 parts of basalt stone with the granularity of 10-13mm, 10 parts of basalt stone with the granularity of 5-9mm, 8 parts of basalt stone with the granularity of 2-4mm and 8 parts of basalt stone with the granularity of 1-2 mm.
Further, the filler is composed of fly ash, quartz powder and calcium carbonate powder, wherein the weight ratio of the fly ash to the quartz powder to the calcium carbonate is 3:5: 2.
Further, the cementing agent is formed by stirring and mixing 6-12 parts by weight of 0683A epoxy resin and 2-4 parts by weight of 0683B epoxy curing agent.
Further, the 0683A epoxy resin is composed of the following raw materials in percentage by weight: 52% of bisphenol A type epoxy resin, 25% of bisphenol F type epoxy resin, 10% of butyl glycidyl ether, 5% of dodecyl-tetradecyl glycidyl ether and 8% of liquid random carboxyl nitrile rubber.
Further, the 0683B curing agent is composed of the following raw materials by weight percent: 43% of isophorone diamine, 46% of cyclohexane diamine, 7% of polyether diamine and 4% of benzyl dimethylamine.
The preparation method of the resin type artificial stone comprises the following steps:
① weighing the aggregate, the filler, the steel wire and the ultraviolet absorbent according to the weight proportion of any one of claims 1-3;
② stirring the aggregate in a stirrer;
③ weighing 0683A type epoxy resin, stirring at normal temperature, and weighing 0683B type curing agent, and stirring at normal temperature;
④ mixing the epoxy resin obtained in the step ③ with an epoxy curing agent, and uniformly stirring at normal temperature to obtain a cementing material;
⑤ adding ultraviolet absorbent into the epoxy resin and epoxy curing agent cementing material obtained in the working procedure ④, stirring uniformly at normal temperature to obtain mixture for standby;
⑥ adding the filler into the mixture, and stirring to even for use;
⑦ placing the aggregate into the uniformly stirred mixture, and uniformly mixing and stirring to obtain a resin mixture with fluidity;
⑧ cutting the 72 # steel wire with the diameter of 1.5mm into a steel wire with the length of 1m for standby;
⑨ placing the resin concrete mixture with fluidity in a mold, uniformly inserting steel wires into the resin mixture, standing at room temperature for 24-36 hr, and demolding to obtain semi-finished product of artificial stone of novel resin concrete, wherein each cubic resin type artificial stone is uniformly inserted with 200 steel wires 1m long and 1.5mm in transverse and vertical directions;
⑩ and heating the semi-finished product in a constant temperature and humidity heating furnace at 55-60 deg.C and 45% humidity for 38-48 hr, cooling to room temperature, and taking out the product.
The invention has the beneficial effects that: the most of the problems of the resin type artificial stone products that the resin type artificial stone products are broken and the broken parts are that bubbles exist in the resin type artificial stone products, the bubbles can cause the organization structure of the products to be uneven, and the bubbles in the volume of a relatively large artificial stone product are very difficult to solve. In order to eliminate air bubbles in the internal structure of the resin type concrete and improve the strength and the hardness of the product, the invention optimizes the aggregate gradation to ensure that the aggregate is reasonably and uniformly distributed, adopts an intermittent formula to ensure that the aggregate particles are regularly and orderly arranged, so that the internal structure is uniform, the product performance is stable, and the comprehensive strength is high; and is provided with a large amount of filler and added with a proper amount of 1.5mm steel wires to increase the strength thereof. In order to eliminate air bubbles in the product as much as possible, the invention improves the cementing material into a low-viscosity sizing material. The viscosity of the cementing material adopted by the invention is only 160-200 mPa.s, the fluidity is very good, the cementing material can be uniformly filled around the aggregate and the filler, the construction is convenient, the bubbles generated in the manufacturing process of the resin type artificial stone are removed as much as possible in the stirring and mixing process, and the finally formed resin type artificial stone product almost has no bubbles, thereby avoiding the phenomena of cracking and breaking caused by the existence of the bubbles.
Detailed Description
The present invention will be further described with reference to the following examples. It is to be understood that the following examples are illustrative only and are not intended to limit the scope of the invention, which is to be given numerous insubstantial modifications and adaptations by those skilled in the art based on the teachings set forth above.
Example 1
The resin type artificial stone of the embodiment comprises raw materials of aggregate, filler, steel wire, cementing agent and ultraviolet absorbent, wherein the aggregate is prepared from basalt stones according to intermittent levels in parts by weight:
20 parts of basalt stone with the granularity of 20-23mm, 18 parts of basalt stone with the granularity of 15-18mm, 15 parts of basalt stone with the granularity of 10-13mm, 10 parts of basalt stone with the granularity of 5-9mm, 8 parts of basalt stone with the granularity of 2-4mm and 8 parts of basalt stone with the granularity of 1-2 mm;
the filler is 23 parts of fly ash, quartz powder and calcium carbonate powder (the weight ratio of the fly ash to the quartz powder to the calcium carbonate is 3:5: 2); the weight parts of the cementing material are 0683A epoxy resin 6 parts and 0683B epoxy curing agent 3 parts, the weight parts of the 1.5mm steel wire are 3 parts, and the weight parts of the ultraviolet absorbent are 3 parts.
Each part of epoxy resin is composed of the following raw materials in percentage by weight: 52% of bisphenol A type epoxy resin, 25% of bisphenol F type epoxy resin, 10% of butyl glycidyl ether, 5% of dodecyl-tetradecyl glycidyl ether and 8% of liquid random carboxyl nitrile rubber, wherein each part of the curing agent is composed of the following raw materials in percentage by weight: 43% of isophorone diamine, 46% of cyclohexane diamine, 7% of polyether diamine and 4% of benzyl dimethylamine.
The above embodiment of the present invention is manufactured by the following method:
① weighing the aggregate, the filler, the steel wire and the ultraviolet absorbent according to the weight proportion of any one of claims 1-3;
② stirring the aggregate in a stirrer;
③ weighing 0683A type epoxy resin, stirring at normal temperature, and weighing 0683B type curing agent, and stirring at normal temperature;
④ mixing the epoxy resin obtained in the step ③ with an epoxy curing agent, and uniformly stirring at normal temperature to obtain a cementing material;
⑤ adding the ultraviolet absorbent into the epoxy resin and epoxy curing agent cementing material obtained in the working procedure ④, and stirring uniformly at normal temperature to obtain a mixture for later use;
⑥ adding the filler into the mixture, and stirring to even for use;
⑦ placing the aggregate into the uniformly stirred mixture, and uniformly mixing and stirring to obtain a resin mixture with fluidity;
⑧ cutting the 72 # steel wire with the diameter of 1.5mm into a steel wire with the length of 1m for standby;
⑨ placing the resin concrete mixture with fluidity in a mold, uniformly inserting steel wires into the resin mixture, standing at room temperature for 24-36 hr, and demolding to obtain semi-finished product of artificial stone of novel resin concrete, wherein each cubic resin type artificial stone is uniformly inserted with 200 steel wires 1m long and 1.5mm in transverse and vertical directions;
⑩ and heating the semi-finished product in a constant temperature and humidity heating furnace at 55-60 deg.C and 45% humidity for 38-48 hr, cooling to room temperature, and taking out the product.
Comparative example 1
The widely used resin type artificial stone is a composite material obtained by curing and molding unsaturated polyester resin as an adhesive, adding different inorganic fillers, adding a cross-linking agent, a curing agent and other auxiliary reagents during polymerization.
945 unsaturated resin (UPR) is taken as a resin-based material, a cross-linking agent is styrene, a curing agent is Methyl Ethyl Ketone Peroxide (MEKP), an accelerating agent is cobalt naphthenate, and a filling material is Al (OH) with the mass ratio of 4:13And Ca (OH)2A mixture of (a).
The preparation process of the unsaturated resin type artificial stone comprises the following steps:
the UPR to styrene ratio is 7:3, the polymerization is generally carried out at room temperature (20 ℃ to 24 ℃), the amount of cobalt naphthenate is 0.1% to 0.3% of the amount of UPR, and the amount of cobalt naphthenate decreases with increasing temperature.
UPR styrene, cobalt naphthenate and Al (OH) in certain proportion3And Ca (OH)2After feeding, adding curing agent MEKP. The polymerization reaction is an exothermic reaction, when the temperature rises after the polymerization starts, the vacuum degree of the polymerization kettle reaches 0.04MPa by decompression, the temperature in the kettle continuously rises and generally reaches about 80 ℃, the temperature in the kettle starts to fall, the polymerization is finished, the materials are discharged and cast, the mold is removed after the materials are completely solidified, the casting is placed in a greenhouse for post-curing treatment, and then the treatments such as cutting, grinding, polishing and the like are carried out according to different use conditions.
Table 1 results of performance testing of the products of example 1 and comparative example 1
As can be seen from table 1, the bending strength, tensile strength and compressive strength of the novel resin-type artificial stone of the present invention are significantly higher than those of the 945 unsaturated resin-type artificial stone.
Example 2
The novel resin type artificial stone filler of the embodiment is 9 parts of fly ash, quartz powder and calcium carbonate powder (the weight ratio of the fly ash to the quartz powder to the calcium carbonate is 3:5: 2); the weight parts of the cementing material are that 0683A epoxy resin 12 shares and 0683B epoxy hardener are that 2 shares are stirred and mixed, the weight part of 1.5mm steel wire is 3 shares, the weight part of ultraviolet absorbent is 3 shares; the rest is the same as example 1.
Example 3
The novel resin type artificial stone filler of the embodiment is 15 parts of fly ash, quartz powder and calcium carbonate powder (the weight ratio of the fly ash to the quartz powder to the calcium carbonate is 3:5: 2); the weight parts of the cementing material are 10 parts of 0683A epoxy resin and 4 parts of 0683B epoxy curing agent which are mixed by stirring, the weight part of 1.5mm steel wire is 4 parts, and the weight part of ultraviolet absorbent is 1 part; the rest is the same as example 1.
Example 4
The novel resin type artificial stone filler of the embodiment is 26 parts of fly ash, quartz powder and calcium carbonate powder (the weight ratio of the fly ash to the quartz powder to the calcium carbonate is 3:5: 2); the weight parts of the cementing material are 8 parts of 0683A epoxy resin and 3 parts of 0683B epoxy curing agent which are mixed by stirring, 5 parts of 1.5mm steel wire and 5 parts of ultraviolet absorbent; the rest is the same as example 1.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The novel resin type artificial stone is characterized by being prepared from the following raw materials in parts by weight: 65-98 parts of aggregate, 9-26 parts of filler, 3-5 parts of steel wire, 8-16 parts of cementing material and 1-5 parts of ultraviolet absorbent.
2. A novel resin-type artificial stone according to claim 1, wherein: the aggregate is made of basalt stones, and the basalt stones are in discontinuous grading and comprise the following components in parts by weight:
the granularity of the basalt stone is within the range of 20-23mm and is 18-28 parts,
16-23 parts of basalt stone particles with the particle size of 15-18mm,
the granularity of the basalt stone is within the range of 10-13mm and is 12-17 parts,
the granularity of the basalt stone is within the range of 5-9mm and is 9-13 parts,
the granularity of the basalt stone is 5 to 9 portions within the range of 2 to 4mm,
the particle size of the basalt stone is 5-8 parts within the range of 1-2 mm.
3. A novel resin-type artificial stone according to claim 2, wherein: the aggregate is made of basalt stones, and the basalt stones are in discontinuous grading and comprise the following components in parts by weight:
the granularity of the basalt stone is 20 parts within the range of 20-23mm,
18 parts of basalt stone particles with the particle size of 15-18mm,
15 parts of basalt stone particles with the particle size of 10-13mm,
10 parts of basalt stone particles with the particle size of 5-9mm,
8 parts of basalt stone particles with the particle size of 2-4mm,
the particle size of the basalt stone is 8 parts within the range of 1-2 mm.
4. A novel resin-type artificial stone according to claim 1, wherein: the filler consists of fly ash, quartz powder and calcium carbonate powder, wherein the weight ratio of the fly ash to the quartz powder to the calcium carbonate is 3:5: 2.
5. A novel resin-type artificial stone according to claim 1, wherein: the cementing material is prepared by stirring and mixing 6-12 parts by weight of 0683A epoxy resin and 2-4 parts by weight of 0683B epoxy curing agent.
6. A novel resin-type artificial stone according to claim 5, characterized in that: the 0683A epoxy resin is prepared from the following raw materials in percentage by weight: 52% of bisphenol A type epoxy resin, 25% of bisphenol F type epoxy resin, 10% of butyl glycidyl ether, 5% of dodecyl-tetradecyl glycidyl ether and 8% of liquid random carboxyl nitrile rubber.
7. A novel resin-type artificial stone according to claim 5, characterized in that: the 0683B curing agent is prepared from the following raw materials in percentage by weight: 43% of isophorone diamine, 46% of cyclohexane diamine, 7% of polyether diamine and 4% of benzyl dimethylamine.
8. A method for producing a novel resin-type artificial stone according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
(1) weighing aggregate, filler, steel wire and ultraviolet absorbent according to the weight part ratio for later use;
(2) putting the aggregate into a stirrer to be uniformly stirred for later use;
(3) preparing a cementing material;
(4) adding an ultraviolet absorbent into the prepared cementing material, and uniformly stirring at normal temperature to obtain a mixture for later use;
(5) putting the filler into the mixture, and uniformly stirring for later use;
(6) putting the aggregate into the uniformly stirred mixture, and uniformly mixing and stirring to obtain a resin mixture with fluidity;
(7) cutting a No. 72 steel wire with the length of 1m into a steel wire with the length of 1.5mm for later use;
(8) placing the resin concrete mixture with fluidity in a mold, uniformly inserting steel wires into the resin mixture, standing at normal temperature for 24-36 hours, and demolding to obtain a novel resin concrete artificial stone semi-finished product;
(9) and (4) putting the semi-finished product into a constant-temperature constant-humidity heating furnace for heat treatment, and then uniformly cooling the temperature in the furnace to room temperature and taking out the product.
9. A method for producing a novel resin-type artificial stone according to any one of claims 1 to 7, characterized in that: the temperature of the heat treatment in the step (9) is 55-60 ℃, the humidity is 45%, and the time is 38-48 hours.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308268 | 2020-04-18 | ||
| CN2020103082687 | 2020-04-18 |
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| CN111454017A true CN111454017A (en) | 2020-07-28 |
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| CN202010311232.4A Pending CN111454017A (en) | 2020-04-18 | 2020-04-20 | Novel resin type artificial stone and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603743A (en) * | 2022-03-30 | 2022-06-10 | 许英勇 | Plastic granules and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381213A (en) * | 2008-09-16 | 2009-03-11 | 张万勇 | Resin concrete machine tool basic fittings and preparation method thereof |
| CN109053029A (en) * | 2018-08-30 | 2018-12-21 | 水利部水工金属结构质量检验测试中心 | A kind of resin type artificial stone and preparation method thereof |
-
2020
- 2020-04-20 CN CN202010311232.4A patent/CN111454017A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381213A (en) * | 2008-09-16 | 2009-03-11 | 张万勇 | Resin concrete machine tool basic fittings and preparation method thereof |
| CN109053029A (en) * | 2018-08-30 | 2018-12-21 | 水利部水工金属结构质量检验测试中心 | A kind of resin type artificial stone and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603743A (en) * | 2022-03-30 | 2022-06-10 | 许英勇 | Plastic granules and production process thereof |
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Application publication date: 20200728 |