CN112092408A - Artificial stone processing technology - Google Patents

Artificial stone processing technology Download PDF

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Publication number
CN112092408A
CN112092408A CN202010922940.1A CN202010922940A CN112092408A CN 112092408 A CN112092408 A CN 112092408A CN 202010922940 A CN202010922940 A CN 202010922940A CN 112092408 A CN112092408 A CN 112092408A
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plastic
mixture
template
foaming
extruder
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曾志雄
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Zhongshan Huarongtong Technology Co ltd
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Zhongshan Chenglitong Communication Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066Use of inorganic compounding ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102Azo-compounds
    • C08J9/103Azodicarbonamide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/04N2 releasing, ex azodicarbonamide or nitroso compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10Homopolymers or copolymers of propene
    • C08J2323/12Polypropene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2351/00Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2351/04Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2355/00Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2323/00 - C08J2353/00
    • C08J2355/02Acrylonitrile-Butadiene-Styrene [ABS] polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2369/00Characterised by the use of polycarbonates; Derivatives of polycarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses an artificial stone processing technology, which adopts environment-friendly materials, and the artificial stone manufactured by the technology has the characteristics of controllable shape and density, namely the formed shape and density can be adjusted according to the requirements of the field of use industry, in particular the artificial stone researched and developed by the invention is used in the washing industry, so that the original complex and variable washing technology becomes controllable, the labor intensity of operators can be greatly reduced, the operation environment is improved, the production cost is reduced, and the technology is beneficial to environmental protection.

Description

Artificial stone processing technology
[ technical field ] A method for producing a semiconductor device
The invention relates to a novel composite material, in particular to a process for processing an artificial stone.
[ background of the invention ]
When the jeans are produced, the black cloth with a layer of color indigo coloring dye on the surface needs to be desized, the indigo coloring dye can be used for achieving the purposes of convenient processing, transportation and sewing in the jeans, and the indigo coloring dye on the jeans is removed due to the fact that the indigo coloring dye is relatively stiff, and the washing process in the prior art comprises the following steps: soaking in medicinal liquid, rinsing, grinding with pumice, and oven drying to obtain the final product. For the pumice stone adopted in the washing process, natural volcanic stone is mostly adopted, and the volcanic stone mainly comes from natural exploitation and is one of the focuses of people due to uneven distribution and limited yield.
However, the grinding of the denim fabric by using the volcanic rock has the following defects:
1. the volcanic rock contains sulfide, which can be rendered acidic in the washing water, and the water pollution is large, thus increasing the cost of wastewater treatment.
2. The volcanic rock absorbs water in the process of soaking, so that the weight of the volcanic rock is increased, and the labor intensity and the transportation cost of operators are increased.
3. The water for soaking the volcanic rock has strong corrosivity, some toxic substances, severe working environment and damage to the health of operators after long-term operation.
4. The volcanic rocks are different in shape and size, and operators generally control the washing time by virtue of the working experience of the volcanic rocks, so that the volcanic rocks are difficult to control in a flow manner, and the labor cost is high.
5. The volcanic rock is worn greatly in washing water, the reuse rate is low, the average reuse rate is 1.3-1.5 times, and because the volcanic rock absorbs water, 2 tons of waste residues are generated in each ton of volcanic rock, and the waste residues belong to acidic substances and seriously pollute soil and underground water in the later period.
6. Need the operator to clear up machine equipment after washing water at every turn, lead to machine equipment utilization low, be unfavorable for improving production efficiency.
The invention is developed and applied for solving the technical problems.
[ summary of the invention ]
The technical problem to be solved by the invention is to provide an artificial stone processing technology, which adopts environment-friendly materials, and the artificial stone manufactured by the technology has the characteristics of controllable shape and density, namely the formed shape and density can be adjusted according to the requirements of the field of use industry, and particularly, the artificial stone researched and developed by the invention is used in the washing industry, so that the original complex and variable washing technology becomes controllable, the labor intensity of operators can be greatly reduced, the operating environment is improved, the production cost is reduced, and the technology is favorable for environmental protection.
In order to solve the technical problems, the invention provides a process for processing an artificial stone, which comprises the following steps:
A. adding a binding material and a foaming material into an extruder, mixing, heating to 150-250 ℃ to obtain a molten mixture a, wherein the binding material is plastic, the plastic comprises organic plastic, crystalline plastic and engineering plastic, and the mass ratio of the organic plastic to the crystalline plastic to the engineering plastic is as follows: the organic plastic is less than or equal to 60 percent, the crystalline plastic is less than or equal to 70 percent, the engineering plastic is less than or equal to 60 percent, and the foaming material is a chemical foaming agent;
B. adding an abrasive and a balance seasoning into an extruder, and mixing and stirring the mixture and the mixture a to obtain a mixture b, wherein the abrasive is stone powder/sand, the balance seasoning is a water-soluble crystal, and the water-soluble crystal is a sodium salt and/or a potassium salt;
C. adding a density adjusting material and a coupling agent into an extruder, and mixing and stirring the mixture and the mixture b to obtain a mixture c, wherein the density adjusting material is hollow microspheres, and the coupling agent is a silane coupling agent;
D. after the mixture c is plasticized in an extruder, foaming and extruding the mixture through a forming die to obtain a solid forming object;
E. and (5) polishing the edge of the solid forming object to obtain the artificial stone.
In the artificial stone processing technology, the solid-state molded object is obtained by cutting after the step D of extruding.
The artificial stone processing technology is characterized in that the drying treatment is carried out when the binding material, the foaming material, the grinding material, the balance seasoning, the density adjusting material and the coupling agent are added into the extruder.
According to the artificial stone processing technology, the added binding material, the foaming material, the grinding material, the balance seasoning and the density adjusting material are in mass ratio, the binding material is less than or equal to 40%, the grinding material is less than or equal to 50%, the foaming material is less than or equal to 10%, the balance seasoning is less than or equal to 45%, and the coupling agent is 0.01% -1%.
The artificial stone processing technology is characterized in that in the step E, the edge of the solid forming object is ground through stirring and friction of the plastic color mixing machine.
As above an rostone processing technology, forming die includes mould body 1, mould body 1 includes the first template 11 that can be connected with the extruder, the opposite side of first template 11 is equipped with the second template 12 rather than being connected, be equipped with the constant diameter extrusion passageway 121 that can compress the water conservancy diversion with the material that the extruder extruded in the second template 12, mould body 1 still include with the third template 13 that second template 12 is connected, be equipped with in the third template 13 with constant diameter extrusion passageway 121 intercommunication and enable the reducing shaping passageway 131 in order to carry out the foaming after constant diameter extrusion passageway 121 extrudees, reducing shaping passageway 131 is by second template 12 side to its diameter of discharge end crescent.
Compared with the prior art, the artificial stone processing technology has the advantages that:
1. the pH value of the artificial stone prepared by the invention is neutral, and the artificial stone has no pollution to the environment when in use and has the characteristic of environmental protection.
2. The artificial stone made of the material has small abrasion in a washing process, high utilization rate and more than 60 times of reutilization, the generated waste residue is 1 percent of natural volcanic rock, the pH value of the generated waste residue is neutral, the pollution to soil and underground water is avoided, the environment-friendly requirement is met, and the post-treatment cost of waste materials is reduced.
3. The utilization rate of the machine equipment is improved, the working environment of an operator is greatly improved, occupational diseases are avoided, and the health and safety of the operator are ensured.
4. The size and the shape of the artificial stone made of the material can be controlled, so that the requirement on washing skill of an operator can be reduced, and the controllability is high.
5. The artificial stone made of the material does not absorb water in the water washing process, and is convenient to clean.
6. The invention relates to a stone-making processing technology, which adopts heating extrusion during foaming molding and can effectively avoid the phenomenon of blockage caused by coagulation of a mixture c in a forming die.
7. The invention relates to a stone-making processing technology, which enables a solid-state forming object to pass through channels with different calibers in a forming die, so that the interior of the artificial stone of a final product is subjected to chemical foaming by fully mixing, the compactness is ensured to be uniform, the texture of the artificial stone is effectively improved, and the artificial stone has excellent physical properties required by a washing stone.
[ description of the drawings ]
FIG. 1 is a schematic flow chart of the stone-making process of the present invention.
Fig. 2 is a sectional view of the molding die of the present invention.
Fig. 3 is a right side view of the forming die of the present invention.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in figure 1, the artificial stone processing technology comprises the following steps:
A. adding a binding material and a foaming material into an extruder, mixing, heating to 150-250 ℃ to obtain a molten mixture a, wherein the binding material is plastic, the plastic comprises organic plastic, crystalline plastic and engineering plastic, and the mass ratio of the organic plastic to the crystalline plastic to the engineering plastic is as follows: the organic plastic is less than or equal to 60 percent, the crystalline plastic is less than or equal to 70 percent, the engineering plastic is less than or equal to 60 percent, and the foaming material is a chemical foaming agent; the organic plastic can be one or more of polyethylene, polyvinyl chloride and ABS plastic, and the crystalline plastic can be one or more of PE, PP and PA; the engineering plastic is one or more of ASA, PC and polyester.
The foaming material is a chemical foaming agent and can be one or more of sodium chloride carbonate, ammonium carbonate, azodicarbonamide, even-group diisobutyl wax and N, N-dimethyl N, N-dinitrosoterephthalamide. Among them, azodicarbonamide is commonly referred to as AC foaming agent, and azodicarbonamide is preferred as a foaming material in the present invention because it has:
the decomposition temperature range of the foaming agent is narrow and stable;
the rate of gas release can be controlled;
the released gas is non-toxic, non-corrosive and flame-retardant;
fourthly, the foaming agent is decomposed without generating a large amount of heat to influence the texture of the product;
the foaming polymer is easy to decompose by heating, colorless gases such as nitrogen, carbon monoxide, carbon dioxide and the like are mainly generated by decomposition, the colorless gases have no influence on the physical and chemical properties of the foaming polymer, the gas evolution is large during decomposition, and the foaming purpose is easy to realize.
In order to control the polymerization reaction and the foaming reaction to be carried out in balance in the foaming process and ensure that the product has better quality, a proper amount of catalyst and foam stabilizer can be added.
B. Adding an abrasive and a balance seasoning into an extruder, and mixing and stirring the mixture and the mixture a to obtain a mixture b, wherein the abrasive is stone powder/sand, the abrasive comprises one or more of talcum powder, quartz powder, calcium carbonate powder, carborundum, quartz sand, silicon carbide and white jade, and the particle size and mesh number of the abrasive used in the invention is 20-150; the balance seasoning is a water-soluble crystal, and the water-soluble crystal is a sodium salt and/or a potassium salt; the balance seasoning is water soluble crystal, and the water soluble crystal is sodium salt and/or potassium salt, including sodium chloride, sodium sulfate, sodium carbonate, potassium chloride, potassium sulfate and potassium carbonate. In order to make the pH value of the artificial stone prepared by the invention neutral, sodium chloride is preferably used as a balance seasoning.
C. Adding a density adjusting material and a coupling agent into the extruder, and mixing and stirring the mixture and the mixture b to obtain a mixture c, wherein the density adjusting material is hollow microspheres, and the coupling agent is a silane coupling agent.
D. And (c) plasticizing the mixture c in an extruder, foaming the mixture through a forming die and extruding the mixture to obtain a solid forming object.
E. And (5) polishing the edge of the solid forming object to obtain the artificial stone.
In the artificial stone processing technology, the solid-state molded object is obtained by cutting after the step D of extruding.
The artificial stone processing technology is characterized in that the drying treatment is carried out when the binding material, the foaming material, the grinding material, the balance seasoning, the density adjusting material and the coupling agent are added into the extruder.
According to the artificial stone processing technology, the added binding material, the foaming material, the grinding material, the balance seasoning and the density adjusting material are in mass ratio, the binding material is less than or equal to 40%, the grinding material is less than or equal to 50%, the foaming material is less than or equal to 10%, the balance seasoning is less than or equal to 45%, and the coupling agent is 0.01% -1%.
The artificial stone processing technology is characterized in that in the step E, the edge of the solid forming object is ground through stirring and friction of the plastic color mixing machine.
As shown in fig. 2-3, forming die includes mould body 1, mould body 1 is including the first template 11 that can be connected with the extruder, is equipped with the little butt joint 111 that just is the loudspeaker form in the big rear end of anterior segment on the first template 11, the opposite side of first template 11 is equipped with the second template 12 rather than being connected, be equipped with in the second template 12 and carry out the constant diameter extrusion passageway 121 that compresses the water conservancy diversion with the material that the extruder extruded, mould body 1 still include with the third template 13 that second template 12 is connected, be equipped with in the third template 13 with constant diameter extrusion passageway 121 intercommunication and can make after the extrusion of constant diameter extrusion passageway 121 in order to carry out the reducing shaping passageway 131 of foaming, reducing shaping passageway 131 is increased gradually to its diameter of discharge end by second template 12 side, is the loudspeaker form structure.
The artificial stone prepared by the method is used for a washing process, is relatively wear-resistant and has high reuse rate because azodicarbonamide is used for foaming, and the extruded materials are further blended and foamed after being heated by the forming die, so that the artificial stone has the characteristics of good elasticity, uniform cell diameter, and good strength and flexibility.

Claims (6)

1. The artificial stone processing technology is characterized by comprising the following steps:
A. adding a binding material and a foaming material into an extruder, mixing, heating to 150-250 ℃ to obtain a molten mixture a, wherein the binding material is plastic, the plastic comprises organic plastic, crystalline plastic and engineering plastic, and the mass ratio of the organic plastic to the crystalline plastic to the engineering plastic is as follows: the organic plastic is less than or equal to 60 percent, the crystalline plastic is less than or equal to 70 percent, the engineering plastic is less than or equal to 60 percent, and the foaming material is a chemical foaming agent;
B. adding an abrasive and a balance seasoning into an extruder, and mixing and stirring the mixture and the mixture a to obtain a mixture b, wherein the abrasive is stone powder/sand, the balance seasoning is a water-soluble crystal, and the water-soluble crystal is a sodium salt and/or a potassium salt;
C. adding a density adjusting material and a coupling agent into an extruder, and mixing and stirring the mixture and the mixture b to obtain a mixture c, wherein the density adjusting material is hollow microspheres, and the coupling agent is a silane coupling agent;
D. after the mixture c is plasticized in an extruder, foaming and extruding the mixture through a forming die to obtain a solid forming object;
E. and (5) polishing the edge of the solid forming object to obtain the artificial stone.
2. A synthetic stone processing process according to claim 1, wherein the step D is performed by cutting after extrusion to obtain a solid molding.
3. A synthetic stone processing process according to claim 1, wherein the binder, foaming agent, abrasive, balancing agent, density adjusting agent and coupling agent are added to the extruder before drying.
4. The artificial stone processing technology according to claim 1, wherein the added binder, foaming material, abrasive material, balance flavoring and density adjusting material are in mass ratio, the binder is less than or equal to 40%, the abrasive material is less than or equal to 50%, the foaming material is less than or equal to 10%, the balance flavoring is less than or equal to 45%, and the coupling agent is 0.01% -1%.
5. A synthetic stone processing process according to claim 1, wherein in step E, the edges of the solid molding are ground by stirring and friction of a plastic color mixer.
6. A synthetic stone processing process according to claim 1, wherein the forming mold comprises a mold body (1), the die body (1) comprises a first die plate (11) which can be connected with an extruder, the other side of the first template (11) is provided with a second template (12) connected with the first template, a constant-diameter extrusion channel (121) capable of compressing and guiding the material extruded by the extruder is arranged in the second template (12), the mould body (1) further comprises a third template (13) connected with the second template (12), a reducing forming channel (131) which is communicated with the constant-diameter extrusion channel (121) and can ensure that the foaming is carried out after the extrusion of the constant-diameter extrusion channel (121) is arranged in the third template (13), the diameter of the reducing forming channel (131) is gradually increased from the side of the second template (12) to the discharge end.
CN202010922940.1A 2020-09-04 2020-09-04 Artificial stone processing technology Pending CN112092408A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113698227A (en) * 2021-09-07 2021-11-26 中山市诚力通通信科技有限公司 Water washing stone and processing method for water washing stone
CN113736188A (en) * 2021-09-07 2021-12-03 中山市诚力通通信科技有限公司 Binding material and method for preparing water washing stone

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CN110511420A (en) * 2019-09-27 2019-11-29 绍兴文理学院 A kind of manufacturing method of denim float stone
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CN1769237A (en) * 2005-09-09 2006-05-10 陈荣辉 Artificial floatstone for water washing and its manufacturing method
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Publication number Priority date Publication date Assignee Title
CN113698227A (en) * 2021-09-07 2021-11-26 中山市诚力通通信科技有限公司 Water washing stone and processing method for water washing stone
CN113736188A (en) * 2021-09-07 2021-12-03 中山市诚力通通信科技有限公司 Binding material and method for preparing water washing stone

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