CN110527217A - A kind of material prescription and manufacturing process of PVC board - Google Patents
A kind of material prescription and manufacturing process of PVC board Download PDFInfo
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- CN110527217A CN110527217A CN201910860432.2A CN201910860432A CN110527217A CN 110527217 A CN110527217 A CN 110527217A CN 201910860432 A CN201910860432 A CN 201910860432A CN 110527217 A CN110527217 A CN 110527217A
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0028—Use of organic additives containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-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
- C08J9/10—Working-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
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised 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
- C08J2327/02—Characterised 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
- C08J2327/04—Characterised 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
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised 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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a kind of material prescription of PVC board and manufacturing process, belong to plate manufacturing technology field, it include: Corvic, white oil, milling material, stabilizer, titanium dioxide, stearic acid, polyethylene wax, stearic amide, ultraviolet absorbing agent, colorant, fluorescent whitening agent, activated Calcium carbonate, talcum powder, composite foamable agent, antifreezing agent, plasticiser and active carbon, each component is put into tempering tank by weight and is mixed, and active carbon batch imports the inside of tempering tank during mixing.The present invention in material prescription by adding active carbon, and during preparation, by the way that active carbon is repeatedly added batch-wise, it is sufficiently mixed active carbon in PVC board, the toxic gas generated in production process is adsorbed using active carbon, while this kind of PVC board being made to have the function that the toxic gas in adsorption space during use, avoids and causes damages to environment and staff, to improve safety, and improve utilization rate.
Description
Technical field
The present invention relates to plate manufacturing technology field, the material prescription and manufacturing process of specially a kind of PVC board.
Background technique
PVC board (polyvinyl chloride) true qualities be yellowish translucent, glossiness plate, and PVC transparent degree be better than it is poly-
Ethylene, polypropylene, are worse than polystyrene, with auxiliary dosage difference, are divided into soft, hard polyvinyl chloride, soft goods are soft and tough, feel
Viscous, the hardness of boardy product is higher than low density polyethylene (LDPE), and is lower than polypropylene, will appear albinism at flexion, common product:
Plate, tubing, sole, toy, door and window, wire outer skin, stationery etc. are a kind of one replaced in polyethylene using a chlorine atom
The high molecular material of a hydrogen atom.
However the easy during production of existing PVC board releases a large amount of harmful substance, to generate nocuousness
Waste product, and finished product is easy release toxic gas at high temperature, thus be easy to cause environment and staff certain harm, from
And utilization rate is reduced, and the recycling lacked during manufacture to waste material is utilizing, to improve to a certain extent
Cost, and seam eye is larger inside the PVC board now manufactured, keeps the air-tightness of PVC board poor, to reduce PVC board
Toughness, and reduce the service life of PVC board.
Summary of the invention
It is an object of the invention to: it is released largely to solve the easy during production of existing PVC board
Harmful substance, so that hazardous waste is generated, and finished product is easy release toxic gas at high temperature, to be easy to environment and work
Personnel cause certain harm, to provide the material prescription and manufacturing process of a kind of PVC board the problem of reducing utilization rate.
To achieve the above object, the invention provides the following technical scheme: a kind of material prescription of PVC board, with components by weight percent
Meter includes: 40-60 parts of Corvic, 0.1-0.5 parts of white oil, milling material 430-470 parts, 2.5-3 parts of stabilizer, titanium dioxide
1-3 parts, 0.1.0.4 parts of stearic acid, 0.1-0.3 parts of polyethylene wax, 0.01-0.5 parts of stearic amide, ultraviolet absorbing agent
0.01-0.2 parts, 0.01-0.03 parts of colorant, 0.01-0.1 parts of fluorescent whitening agent, 10-20 parts of activated Calcium carbonate, talcum powder 10-
20 parts, 0.1-3 parts of composite foamable agent, 2-5 parts of antifreezing agent, 0.1-3 parts of plasticiser and 0.1-3 parts of active carbon.
Preferably, the composite foamable agent includes AC foaming agent and DC foaming agent, the AC foaming agent and DC foaming agent
Weight ratio is 2:1.
Preferably, the Corvic average degree of polymerization is 700-750, the heat transfer coefficient of the Corvic
For 62-60, the average grain diameter of the Corvic is 130-200 nanometers.
Preferably, the active carbon includes wood activated charcoal and mineral raw material active carbon, the wood activated charcoal and mine
The weight ratio of raw material of substance active carbon is 2:1.
Preferably, step is specifically included:
Step 1: by weight by Corvic, white oil, stabilizer, titanium dioxide, stearic acid, polyethylene wax, tristearin
Sour amide, ultraviolet absorbing agent, colorant, fluorescent whitening agent, activated Calcium carbonate, talcum powder, composite foamable agent, antifreezing agent, modeling
Agent and active carbon import in corresponding sieve, sieve to each component, so that it is larger to obtain fine and smooth each component A and particle
Each component B；
Step 2: each component A being put into tempering tank by weight and is mixed, and is active during mixing
Charcoal batch imports the inside of tempering tank, to obtain mixture A；
Step: 3: mixture A being imported in the feed inlet of extrusion molding dies by conveying mechanism, utilize extrusion forming mold
Rabbling mechanism in tool is first stirred heating to mixture A, makes mixture A in molten condition, then leads by delivery device
Enter in extrusion mode, and continuous extrusion, until squeezing mixture A fills up extrusion mode, heating and calcining then is carried out to extrusion die
It is kneaded, it is appropriate during calcining mixing that processing is exhausted to extrusion mode, it then squeezes out and squeezes by pressing mechanism
Molding die, to obtain mixture B；
Step 4: cooling setting treatment being carried out to the mixture B of extrusion while extrusion molding mould, and passes through traction
Machine travel goes out PVC board, to obtain PVC board；
Step 5: PVC board is imported in cutting machine and is cut, the size and width cut determines according to actual conditions, then
By the PVC board check and accepting storing of well cutting.
Preferably, described according to step 1, each component B is pulverized by grinder, until reaching suitable
Granular size, then by weight being mixed evenly in importing tempering tank, each grinder all needs before carrying out grinding next time
It is cleared up.
Preferably, described according to step 3, mixture B derived from first time is directly cut off, and without traction machine travel, is led
Enter in pulverizer to crush, grind, then import in extrusion molding dies again, and repeats the process of step 3.
Preferably, the extrusion molding dies include conveying mechanism, rabbling mechanism, delivery device, pressing mechanism and heating
Component.
Compared with prior art, the beneficial effects of the present invention are:
1, of the invention by adding active carbon in material prescription, and during preparation, by being repeatedly added batch-wise
Active carbon, to make active carbon be sufficiently mixed in PVC board, to have poison gas to what is generated in production process using active carbon
Body is adsorbed, while this kind of PVC board being made to have the function that the toxic gas in adsorption space during use, is avoided
It causes damages to environment and staff, to improve safety, and improves utilization rate；
2, by the way that the biggish each component of particle to be fully ground by grinder, to make PVC board after molding
Better quality, and commercial value is improved, while the waste product generated in manufacturing process is directly over crushing, grinding, and again
It imports in extrusion molding dies and it is processed again, to reduce costs to a certain extent；
3, by adding gas exhaust treatment during manufacturing PVC board, to make PVC board will during extruding
The gas inside bubble that Inner extrusion generates is discharged by gas vent, thus keep the seam eye of PVC board after molding smaller, thus
Keep the air-tightness of PVC board after molding more preferable, to improve the toughness of PVC board, and improves the use longevity of PVC board
Life.
Specific embodiment
Below in conjunction in the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Corvic mentioned in the present invention, white oil, milling material, stabilizer, titanium dioxide, stearic acid, polyethylene wax,
It is stearic amide, ultraviolet absorbing agent, colorant, fluorescent whitening agent, activated Calcium carbonate, talcum powder, composite foamable agent, antifreeze
Agent, plasticiser part, active carbon, tempering tank, extrusion molding dies, pulverizer and grinder can be in market or private order institutes
.
Embodiment 1
As a preferred embodiment of the present invention, a kind of material prescription of PVC board, includes: polychlorostyrene by weight part
40-60 parts of vinyl, 0.1-0.5 parts of white oil, 430-470 parts of milling material, 2.5-3 parts of stabilizer, 1-3 parts of titanium dioxide, tristearin
0.1.0.4 parts sour, 0.1-0.3 parts of polyethylene wax, 0.01-0.5 parts of stearic amide, 0.01-0.2 parts of ultraviolet absorbing agent,
It is 0.01-0.03 parts of toner, 0.01-0.1 parts of fluorescent whitening agent, 10-20 parts of activated Calcium carbonate, 10-20 parts of talcum powder, composite foamed
0.1-3 parts of agent, 2-5 parts of antifreezing agent, 0.1-3 parts of plasticiser and 0.1-3 parts of active carbon.
The present invention makes the uvioresistant effect of PVC board more by adding ultraviolet absorbing agent in PVC board raw material
It is good, and the degree of aging of PVC board is reduced, to improve service life, and make PVC board by adding activated Calcium carbonate
Stability, hardness and rigidity enhancing, to improve utilization rate, and so that PVC board is increased low temperature use by antifreezing agent
Performance can be used PVC board easily under low-temperature condition, to keep the use scope of PVC board more extensive, and by material
Active carbon is added in material formula, and during preparation, by the way that active carbon is repeatedly added batch-wise, to keep active carbon sufficiently mixed
It closes in PVC board, to adsorb using active carbon to the toxic gas generated in production process, while making this kind of PVC
Plate has the function that the toxic gas in adsorption space during use, avoids and causes to endanger to environment and staff
Evil, to improve safety, and improves utilization rate.
Embodiment 2
As a preferred embodiment of the present invention, the composite foamable agent includes AC foaming agent and DC foaming agent, described
The weight ratio of AC foaming agent and DC foaming agent is 2:1, and the Corvic average degree of polymerization is 700-750, the polychlorostyrene
The heat transfer coefficient of vinyl is 62-60, and the average grain diameter of the Corvic is 130-200 nanometers, the active carbon
Including wood activated charcoal and mineral raw material active carbon, the weight ratio of the wood activated charcoal and mineral raw material active carbon is 2:
1。
The material prescription of this kind of PVC board is by addition AC foaming agent and DC foaming agent, to utilize AC foaming agent foam speed
Rate is fast, so that the rate of mixing is improved, to improve work efficiency to a certain extent, and DC foaming agent has foaming effect
The slow feature of rate, thus mix AC foaming agent and DC foaming agent by 2:1, thus reach moderate expansion rate, thus
So that mixture is comparatively fast foamed, improve the stability of mixture foaming, and is 700-750, heat transfer coefficient by using the degree of polymerization
The polyvinyl chloride tree for being 130-200 nanometers for 62-60 and average grain diameter, to keep the exquisiteness of this kind of PVC board more preferable, and right
The thermally conductive effect in part is played in heat, to improve utilization rate, and living by addition wood activated charcoal and mineral raw material
Property charcoal, wherein wood activated charcoal adsorbs the toxic gas in PVC board manufacturing process, and using mineral raw material activity
Charcoal improves the toughness of PVC board, improves the stability that PVC board uses while playing absorption toxic gas, thus
Improve commercial value.
Embodiment 3
As a preferred embodiment of the present invention, step is specifically included:
Step 1: by weight by Corvic, white oil, stabilizer, titanium dioxide, stearic acid, polyethylene wax, tristearin
Sour amide, ultraviolet absorbing agent, colorant, fluorescent whitening agent, activated Calcium carbonate, talcum powder, composite foamable agent, antifreezing agent, modeling
Agent and active carbon import in corresponding sieve, sieve to each component, so that it is larger to obtain fine and smooth each component A and particle
Each component B；
Step 2: each component A being put into tempering tank by weight and is mixed, and is active during mixing
Charcoal batch imports the inside of tempering tank, to obtain mixture A；
Step: 3: mixture A being imported in the feed inlet of extrusion molding dies by conveying mechanism, utilize extrusion forming mold
Rabbling mechanism in tool is first stirred heating to mixture A, makes mixture A in molten condition, then leads by delivery device
Enter in extrusion mode, and continuous extrusion, until squeezing mixture A fills up extrusion mode, heating and calcining then is carried out to extrusion die
It is kneaded, it is appropriate during calcining mixing that processing is exhausted to extrusion mode, it then squeezes out and squeezes by pressing mechanism
Molding die, to obtain mixture B；
Step 4: cooling setting treatment being carried out to the mixture B of extrusion while extrusion molding mould, and passes through traction
Machine travel goes out PVC board, to obtain PVC board；
Step 5: PVC board is imported in cutting machine and is cut, the size and width cut determines according to actual conditions, then
By the PVC board check and accepting storing of well cutting.
The manufacturing process of this kind of PVC board sieves each component by sieve, so that finer and smoother each component is obtained, from
And the exquisiteness for the PVC board for completing manufacture is more preferable, and the mixed effect between each component is more preferable, mixes more evenly, thus
The quality of PVC board is improved, and by adding gas exhaust treatment during manufacturing PVC board, so that PVC board be made to squeeze
During by Inner extrusion generate bubble inside gas by gas vent be discharged, thus make form after PVC board seam
Eye is smaller, to keep the air-tightness of PVC board after molding more preferable, to improve the toughness of PVC board, and improves PVC
The service life of plate.
Embodiment 4
As a preferred embodiment of the present invention, described according to step 1, each component B is ground by grinder
Then grinds are imported in tempering tank by weight and are mixed evenly until reaching suitable granular size, each grinder
It requires to clear up it before carrying out next grinding, described according to step 3, mixture B derived from first time is directly cut off,
Without traction machine travel, imports in pulverizer and crush, grind, then import in extrusion molding dies again, and repeat step 3
Process, the extrusion molding dies include conveying mechanism, rabbling mechanism, delivery device, pressing mechanism and heating component.
The manufacturing process of this kind of PVC board is ground by each component B by grinder, to obtain more fine and smooth each
Component while keeping the molding effect of PVC board after molding more preferable to make subsequent mixing more uniformly, and by by the
Primary derived mixture B is directly over pulverizer crushing, is not directly used in production, so as to avoid derived from first time
Mixture B, which is acted upon by temperature changes, generates difference (when mixture B derived from first time is heated with derived mixture B below
Between it is limited, and have passed through the variation phase of temperature rising, and it is extruded during refer and synthesize in mixture B derived from first time have it is big
The gas contained originally inside the extrusion molding dies of amount, so that mixture B derived from first time be made not can guarantee its quality
Problem), to reduce the otherness of PVC board, is reused to crush, reduce the cost of raw material.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any label in claim should not be construed as limiting the claims involved.
Claims (8)
1. a kind of material prescription of PVC board, it is characterised in that: by weight part include: 40-60 parts of Corvic, white
0.1-0.5 parts oily, milling material 430-470 parts, 2.5-3 parts of stabilizer, 1-3 parts of titanium dioxide, 0.1.0.4 parts of stearic acid, polyethylene
It is 0.1-0.3 parts of wax, 0.01-0.5 parts of stearic amide, 0.01-0.2 parts of ultraviolet absorbing agent, 0.01-0.03 parts of colorant, glimmering
0.01-0.1 parts of optical brightener, 10-20 parts of activated Calcium carbonate, 10-20 parts of talcum powder, 0.1-3 parts of composite foamable agent, antifreezing agent 2-
5 parts, 0.1-3 parts of plasticiser and 0.1-3 parts of active carbon.
2. a kind of material prescription of PVC board according to claim 1, it is characterised in that: the composite foamable agent includes AC
The weight ratio of foaming agent and DC foaming agent, the AC foaming agent and DC foaming agent is 2:1.
3. a kind of material prescription of PVC board according to claim 1, it is characterised in that: the Corvic is average
The degree of polymerization is 700-750, and the heat transfer coefficient of the Corvic is 62-60, the average grain diameter of the Corvic
It is 130-200 nanometers.
4. a kind of material prescription of PVC board according to claim 1, it is characterised in that: the active carbon includes wooden work
Property charcoal and mineral raw material active carbon, the weight ratio of the wood activated charcoal and mineral raw material active carbon is 2:1.
5. a kind of manufacturing process of PVC board according to claim 1, it is characterised in that: specifically include step:
Step 1: by weight by Corvic, white oil, stabilizer, titanium dioxide, stearic acid, polyethylene wax, stearic acid acyl
Amine, ultraviolet absorbing agent, colorant, fluorescent whitening agent, activated Calcium carbonate, talcum powder, composite foamable agent, antifreezing agent, plasticiser
It is imported in corresponding sieve with active carbon, each component is sieved, so that it is biggish each to obtain fine and smooth each component A and particle
Component B；
Step 2: each component A being put into tempering tank by weight and is mixed, and the active carbon batch during mixing
Amount imports the inside of tempering tank, to obtain mixture A；
Step: 3: mixture A being imported by conveying mechanism in the feed inlet of extrusion molding dies, using in extrusion molding dies
Rabbling mechanism heating first is stirred to mixture A, make mixture A in molten condition, then import and squeeze by delivery device
In pressing mold type, and then continuous extrusion carries out heating and calcining mixing to extrusion die until squeezing mixture A fills up extrusion mode,
It is appropriate during calcining mixing that processing is exhausted to extrusion mode, then extrusion forming mold is squeezed out by pressing mechanism
Tool, to obtain mixture B；
Step 4: cooling setting treatment being carried out to the mixture B of extrusion while extrusion molding mould, and is led by dragger
PVC board is drawn, to obtain PVC board；
Step 5: PVC board being imported in cutting machine and is cut, then the size and width cut determines according to actual conditions will be cut
The PVC board check and accepting storing cut.
6. a kind of manufacturing process of PVC board according to claim 5, it is characterised in that: it is described according to step 1, it is described each
Component B is pulverized by grinder, until reach suitable granular size, it is then mixed in tempering tank by weight importing
Conjunction stirs evenly, and each grinder requires to clear up it before carrying out next grinding.
7. a kind of manufacturing process of PVC board according to claim 5, it is characterised in that: it is described according to step 3, for the first time
Derived mixture B is directly cut off, and without traction machine travel, is imported in pulverizer and is crushed, grinds, then import and squeeze again
In molding die, and repeat the process of step 3.
8. a kind of manufacturing process of PVC board according to claim 1, it is characterised in that: the extrusion molding dies include
Conveying mechanism, rabbling mechanism, delivery device, pressing mechanism and heating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860432.2A CN110527217A (en) | 2019-09-11 | 2019-09-11 | A kind of material prescription and manufacturing process of PVC board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860432.2A CN110527217A (en) | 2019-09-11 | 2019-09-11 | A kind of material prescription and manufacturing process of PVC board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110527217A true CN110527217A (en) | 2019-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454378A (en) * | 2021-12-27 | 2022-05-10 | 苏州爱得华塑化有限公司 | Low-temperature automobile interior decoration PVC material manufacturing device and process |
| CN115849873A (en) * | 2022-12-10 | 2023-03-28 | 佛山市雅博陶瓷发展有限公司 | Foamed ceramic material with sound absorption effect and preparation method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454378A (en) * | 2021-12-27 | 2022-05-10 | 苏州爱得华塑化有限公司 | Low-temperature automobile interior decoration PVC material manufacturing device and process |
| CN115849873A (en) * | 2022-12-10 | 2023-03-28 | 佛山市雅博陶瓷发展有限公司 | Foamed ceramic material with sound absorption effect and preparation method thereof |
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Application publication date: 20191203 |