CN110281635A - A kind of plastic-aluminum board production technology - Google Patents
A kind of plastic-aluminum board production technology Download PDFInfo
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- CN110281635A CN110281635A CN201910590487.6A CN201910590487A CN110281635A CN 110281635 A CN110281635 A CN 110281635A CN 201910590487 A CN201910590487 A CN 201910590487A CN 110281635 A CN110281635 A CN 110281635A
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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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
-
- 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
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
- B29C66/7422—Aluminium or alloys of aluminium
-
- 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
- B29C69/00—Combinations 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
- B29C69/001—Combinations 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 a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
- B29L2009/003—Layered products comprising a metal layer
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of plastic-aluminum board production technology, including mixing, extrusion molding, ungrease treatment, chemical conversion treatment, painting treatment, combined processing and deburring processing；By the way that non-halogen flame retardant and defoaming agent are added in quilted plastic panel principle preparation process, performance is fired by the hole thermal pit that non-halogen flame retardant can greatly increase plastic-aluminum plate, by adding defoaming agent, enable to the plastic core plate surface finish of preparation higher, quilted plastic panel is avoided to generate bubble during the preparation process, effectively raise the quality of production plastic-aluminum plate, the blank squeezed out through extruder barrel flows into wedge-shaped guide chamber, bar shaped outlet through wedge-shaped guide chamber falls to preforming pressing device, the internal water cooled pressing roller one of blank is squeezed into plate structure with water cooling pressing roller two by preforming pressing device, preliminary molding quilted plastic panel subsequent water cooling pressure roller is imported again to be extruded to shape to obtain quilted plastic panel, phenomena such as avoiding quilted plastic panel from being easy to appear cracking during bending during one-step building.
Description
Technical field
The invention belongs to aluminium-plastic panel production technical field, a kind of particularly plastic-aluminum board production technology.
Background technique
Aluminium-plastic panel as it is a kind of be rich in sense of modernness, new decorative material rich in color, light durable is being walked rapidly
Into our life, it has been widely used on various building decorations, such as ceiling, Bao Zhu, sales counter, furniture, telephone booth, electricity
Ladder, StoreFront, billboard, dustproof room wall material, workshop wall material etc. have become (lithotome, glass curtain wall, gold in three big curtain walls
Belong to curtain wall) metal curtain wall representative.Aluminium-plastic panel is by aluminum foil plate as surface layer, and polyethylene plastic plate is as sandwich layer, by a system
The processing of column technical process is combined.
The Chinese invention patent application file of Patent No. CN107757023A, it discloses a kind of aluminium-plastic panel manufacturers
Method, its key points of the technical solution are that the aluminium-plastic panel includes plastic sheet, the first, second aluminium flake layer；On the front and back sides of plastic sheet
Closely it is covered with polymeric membrane；It is covered with aluminium flake layer on the polymeric membrane of plastic sheet front and back sides, is covered with oil in aluminium flake layer
Paint layer and be located at the positive skin of paint of plastic sheet on be covered with protective film.The manufacturing method of the aluminium-plastic panel are as follows: polyethylene is thrown
Entering to dry dry chamber blender stirs and is put into whipping process chemical assistant, then is stirred by extruder and is plasticized and passes through mould
Tool squeezes out, and the plastics after extrusion are rolled into after the smooth plastic sheet in surface and press upper polymeric membrane, then again in polymeric membrane
Tighten it is closely connected cover aluminium cortex, it is cooling after on aluminium cortex spray paint, stick protective film after solidification.
Existing aluminium-plastic panel has the disadvantage that in process
Quilted plastic panel is combined by each component raw material, tensile strength is not high, and toughness is not strong, and surface flatness is insufficient
And surface is easy to appear spot, seriously affects the quality of production of plastic-aluminum plate, due to being used for a long time, plastic-aluminum plate easily cracks
Phenomenon, service life is short, increases production cost；
Although its surface aluminium-plastic panel part has certain antioxygenic property, if under high temperature environment or meeting corrosion
When the substance of property, then the aluminum plate is not still durable；
There is certain deficiency in process of production in existing plastic-aluminum plate, under production efficiency is relatively low, the blank of extrusion
Not uniformly tiny enough, each component mixing is uneven in raw material, and plastic plate passes through one-step building in forming process, makes plastic core
Plate is easy to appear phenomena such as cracking during bending in type-approval process, makes troubles to staff, increases labor intensity.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of plastic-aluminum board production technologies, specific to solve
Certainly following problems:
(1) traditional plastic-aluminum plate tensile strength and toughness are insufficient, and plastic-aluminum plate obtains plastic core plate surface and is easy to appear gas
Bubble, causes aluminium flake and being bonded for quilted plastic panel insecure, quality cannot be guaranteed；
(2) in the extrusion process of the quilted plastic panel raw material of plastic-aluminum plate, one-step building is carried out to the plastic raw materials of extrusion,
Phenomena such as causing quilted plastic panel to be easy to appear cracking during bending in type-approval process, causes centainly to waste to the raw material of quilted plastic panel；
(3) plastic-aluminum plate poor durability under high temperature environment causes aluminium-plastic panel to be easy cracking, and service life is short.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of plastic-aluminum board production technology, the production technology of the aluminium-plastic panel specifically includes the following steps:
It is mixed: the polyethylene of 100 parts by weight is previously placed in stirred tank with 3-5 points of 100-120r/min stirring
Clock, then successively pour into the talcum powder of 3-8 parts by weight, the calcium carbonate of 2-7 parts by weight, the barium sulfate of 15-20 parts by weight, 1-3 weight
The non-halogen flame retardant of part and the defoaming agent of 1-2 parts by weight are obtained in stirred tank with 400-450r/min stirring for 30-45 minutes
Plastic mixture, will be in hopper of the plastic mixture by suction feeder inspiration extruder；
Squeeze out blank: plastic mixture is drawn into extruder barrel by feed inlet, and middle charging aperture and extruder barrel connect
It is logical, start motor driver, motor driver drives the extruding screw rotation in extruder barrel, the other end of extruder barrel
It is provided with connecting pipe, is provided with discharge pipe in connecting pipe, follows the rotary tablet compression on extruding screw in extruder barrel
Ring squeezes raw material, and each component is mutually mixed uniformly in plastic mixture, and as the rotation plastics of rotary tablet compression mix
Material constantly moves right, and cooperation material guiding screw squeezes out blank through connecting pipe and discharge pipe, and in connecting pipe and discharge nozzle
The inside in road offers the tapping channel of rounded structure, it is ensured that the stability for squeezing out blank, the blank squeezed out through extruder barrel
Wedge-shaped guide chamber is flowed into, the bar shaped outlet through wedge-shaped guide chamber falls to preforming pressing device, and preforming pressing device will be interior
The water cooled pressing roller one of the blank in portion is squeezed into plate structure with water cooling pressing roller two, and control water cooling pressing roller one and water cooling compress
The temperature of roller two is 40-50 DEG C, then imports subsequent water cooling pressure roller and squeeze with 10-15 DEG C preliminary molding quilted plastic panel and determine
Type obtains quilted plastic panel, and is dusted processing to quilted plastic panel；
Ungrease treatment: aluminium flake to be processed is sent to spray chamber, is carried out preliminary degreasing using alkalescence degreasing agent CL-102, is taken off
Rouge temperature is maintained at 60-70 DEG C, is sprayed to degreaser on aluminium flake to be processed through nozzle from pump line by degreasing spray pump；It will be first
Aluminium flake after step degreasing scrubs the upper and lower surface of aluminium flake by brush roll, and neutral degreaser OY-52 is passed through degreasing spray pump
It carries out pressurization to be sprayed on aluminium flake, temperature is maintained at 55-65 DEG C of temperature；Aluminium flake obtained by above-mentioned steps is sent to neutralization chamber, is dipped to
It neutralizes in indoor neutral degreaser, to achieve the purpose that thorough degreasing；
Chemical conversion treatment: the aluminium mill sheets in coils progress after degreasing is sprayed simultaneously up and down using clear water, cleaning neutralizes raffinate, will rinse
Complete aluminium sheet is placed in electrolytic bath, by alkaline oxygenated method, aluminum flake surface is made to form oxidation film；By aluminium flake obtained by above-mentioned steps
Secondary cleaning is carried out to its surface using industrial pure water under room temperature environment, and it is dried using Drying unit and cooling fan
Dry and cooling treatment；
Painting treatment: coating is stirred uniformly by blender, by using air pressure diaphragm pump as spraying power
Spray booth is dried using the finishing of aerial spraying for source, shadow of the water content to aerial spraying in reduction air
It rings, is repeatedly sprayed, it can be by the control of the pressure of spraying in 80-90kg/cm when spraying2Between, spraying time control exist
Between 70s-80s, so that air pressure diaphragm pump inside courtyard is uniformly coated on aluminum flake surface；
Combined processing: preheating quilted plastic panel upper and lower surface by heater box, when plastic plate upper and lower surface temperature is equal
When reaching 90-120 DEG C, two pieces of aluminium mill sheets in coils after painting treatment are taken to be respectively aligned to quilted plastic panel upper and lower surface, and using rolling
Wheel natural lustre finishing machine carries out adhesion process to it, molding aluminium-plastic panel is made, and idler wheel natural lustre finishing machine uses YH710 continous way idler wheel hot light
Machine；It is air-cooled that aluminium-plastic panel after will be compound is sent into air cooled box progress；
Deburring processing: molding aluminium-plastic panel is positioned, cutting edge and cleaning.
As a further solution of the present invention: the temperature change in two times of stirred tank described in step, polyethylene is mixed
Preparatory whipping temp is 20-30 DEG C, and the whipping temp of stirred tank is 50-60 degrees Celsius after plurality of raw materials mixing, the non-halogen
Fire retardant octabromodiphenyl base oxide.
As a further solution of the present invention: the extrusion temperature for squeezing out extruder barrel described in blank step is 150-300
DEG C, and extruder barrel is exhausted through gas vent in extrusion process.
As a further solution of the present invention: each composition of the alkaline solution of alkaline oxygenated method described in chemical conversion treatment step
Mass concentration be sodium carbonate 35-55g/L, sodium chromate 20-30g/L and sodium hydroxide 3-6g/L, and at 90 DEG C -110 DEG C
In the environment of, the duration between 10-15 minutes, makes aluminum flake surface form oxidation film.
As a further solution of the present invention: resulting aluminium flake after above-mentioned carry out chemical conversion treatment is immersed in 25g/L's
CrO3In solution, 10~15s of Passivation Treatment, is then dried at a temperature of being lower than 50 DEG C at room temperature.
As a further solution of the present invention: the coating in painting treatment step is anti-flaming dope, anti-flaming dope by
40~60 parts of acrylic emulsion, 20~40 parts of pure-acrylic emulsion, 4~8 parts of vermiculite power, 5~10 parts of super fine bitter spar, fire retardant 8~
16 parts, 0.4~0.8 part of wetting dispersing agent, 0.3~0.6 part of levelling agent and 18~24 parts of filler are mixed with.
As a further solution of the present invention: squeeze out blank step in extruder when in use, plastic mixture by into
Material mouth is drawn into extruder barrel, and middle charging aperture is connected to extruder barrel, starts motor driver, and motor driver drives
Extruding screw rotation in dynamic extruder barrel, the other end of extruder barrel are provided with connecting pipe, are provided with out in connecting pipe
Pipe material recycles the rotary tablet compression on extruding screw in extruder barrel and squeezes raw material, each group in plastic mixture
Part is mutually mixed uniformly, and as the rotation plastic mixture of rotary tablet compression constantly moves right, and cooperates material guiding screw through connecting
Pipeline and discharge pipe squeeze out blank, and logical in the discharging that the inside of connecting pipe and discharge pipe offers rounded structure
Road, it is ensured that the stability for squeezing out blank, the blank squeezed out through extruder barrel flow into wedge-shaped guide chamber, the bar shaped through wedge-shaped guide chamber
Outlet falls to preforming pressing device, and preforming pressing device is by the internal water cooled pressing roller one of blank and water cooling pressing roller
Two are squeezed into plate structure, and the temperature for controlling water cooling pressing roller one and water cooling pressing roller two is 40-50 DEG C.
Beneficial effects of the present invention:
1, using polyethylene, talcum powder, calcium carbonate, barium sulfate as the raw material for preparing quilted plastic panel, and by making
Non-halogen flame retardant and defoaming agent are added during standby, the hole thermal pit of plastic-aluminum plate can be greatly increased by non-halogen flame retardant
Performance is fired, while by addition defoaming agent, enabling to the plastic core plate surface finish of preparation higher, quilted plastic panel is avoided to exist
Bubble is generated in preparation process, keeps quilted plastic panel and being bonded for aluminium flake stronger, effectively raises production plastic-aluminum plate
Quality.
2, mixed plastic raw materials are carried out by extruder barrel squeezing out blank processing, replaces manpower to carry out using machinery
It squeezes out, under motor driver effect, the extruding screw in extruder barrel is rotated, and is squeezing the rotary tablet compression on extruding screw
Circulation squeezes raw material in press cylinder, and each component is mutually mixed uniformly in plastic mixture, and turns with rotary tablet compression
Dynamic plastic mixture constantly moves right, and cooperation material guiding screw squeezes out blank through connecting pipe and discharge pipe, in connecting pipe
The tapping channel of rounded structure is offered with the inside of discharge pipe, it is ensured that squeeze out the stability of blank, and entirely squeeze out base
Material process is fully automated, and is greatly improved production efficiency, is effectively reduced labor intensity, practical；
3, the blank squeezed out through extruder barrel flows into wedge-shaped guide chamber, the bar shaped outlet through wedge-shaped guide chamber fall to it is pre- at
The internal water cooled pressing roller one of blank is squeezed into plate knot with water cooling pressing roller two by type pressing device, preforming pressing device
Structure, then preliminary molding quilted plastic panel is imported into subsequent water cooling pressure roller and is extruded to shape to obtain quilted plastic panel, avoid plastic core
Phenomena such as plate is easy to appear cracking during bending during one-step building；
4, it is brushed on the surface of plastic-aluminum plate by acrylic emulsion, pure-acrylic emulsion, vermiculite power, super fine bitter spar, fire-retardant
It is resistance in a high temperauture environment to improve plastic-aluminum plate for the anti-flaming dope that agent, wetting dispersing agent, levelling agent part and filler part are mixed with
With property, aluminium-plastic panel is avoided to crack under high temperature environment, improves the service life of aluminium-plastic panel.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is the overall structure diagram of extruder in the present invention.
Fig. 2 is the structural schematic diagram of temperature control device on extruder in the present invention.
Fig. 3 is the structural schematic diagram of extruder barrel half sectional view in the present invention.
Fig. 4 is wedge-shaped guide chamber structural schematic diagram in the present invention.
Fig. 5 is the scheme of installation of extruder barrel perspective view in the present invention.
In figure: extruder barrel 1, motor driver 3, temperature control pipeline 4, temperature control device 5, connecting pipe 6, blocks up feed inlet 2
Plug 7, discharge pipe 8, wedge-shaped guide chamber 9, discharge port 10, preforming pressing device 11, water cooling pressing roller 1, water cooling pressing roller
2 13, gas vent 14, tapping channel 15, ring block 16, nozzle 17, annular groove 18.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
As shown in Figs. 1-5, a kind of plastic-aluminum board production technology, the production technology of the aluminium-plastic panel specifically includes the following steps:
It is mixed: the polyethylene of 100 parts by weight is previously placed in stirred tank with 3-5 points of 100-120r/mi n stirring
Clock, then successively pour into the talcum powder of 3 parts by weight, the calcium carbonate of 2 parts by weight, the barium sulfate of 15 parts by weight, 1 parts by weight non-halogen
Fire retardant and the defoaming agent of 1 parts by weight obtain plastic mixture in 30-45 minutes with 400-450r/mi n stirring in stirred tank,
It will be in hopper of the plastic mixture by suction feeder inspiration extruder；
Squeeze out blank: plastic mixture is drawn into extruder barrel 1 by feed inlet 2, starts motor driver 3, electricity
Machine actuating device 3 drives the extruding screw rotation in extruder barrel 1, and the other end of extruder barrel 1 is provided with connecting pipe 6, even
It is provided with discharge pipe 8 on adapter tube road 5, recycles the rotary tablet compression on extruding screw in extruder barrel 1 and raw material is squeezed
It presses, each component is mutually mixed uniformly in plastic mixture, and as the rotation plastic mixture of rotary tablet compression constantly moves right,
Material guiding screw is cooperated to squeeze out blank through connecting pipe 6 and discharge pipe 8, the blank squeezed out through extruder barrel 1 flows into wedge-shaped guide
Chamber 9, the bar shaped outlet through wedge-shaped guide chamber 9 fall to preforming pressing device 11, and preforming pressing device 11 is by internal base
Expect that water cooled pressing roller 1 is squeezed into plate structure with water cooling pressing roller 2 13, control water cooling pressing roller 1 and water cooling compress
The temperature of roller 2 13 is 40-50 DEG C, then preliminary molding quilted plastic panel is imported subsequent water cooling pressure roller and is squeezed with 10-15 DEG C
Sizing obtains quilted plastic panel, and is dusted processing to quilted plastic panel；
Ungrease treatment: aluminium flake to be processed is sent to spray chamber, is carried out preliminary degreasing using alkalescence degreasing agent CL-102, is taken off
Rouge temperature is maintained at 60-70 DEG C, is sprayed to degreaser on aluminium flake to be processed through nozzle from pump line by degreasing spray pump；It will be first
Aluminium flake after step degreasing scrubs the upper and lower surface of aluminium flake by brush roll, and neutral degreaser OY-52 is passed through degreasing spray pump
It carries out pressurization to be sprayed on aluminium flake, temperature is maintained at 55-65 DEG C of temperature；Aluminium flake obtained by above-mentioned steps is sent to neutralization chamber, is dipped to
It neutralizes in indoor neutral degreaser, to achieve the purpose that thorough degreasing；
Chemical conversion treatment: the aluminium mill sheets in coils progress after degreasing is sprayed simultaneously up and down using clear water, cleaning neutralizes raffinate, will rinse
Complete aluminium sheet is placed in electrolytic bath, by alkaline oxygenated method, aluminum flake surface is made to form oxidation film；By aluminium flake obtained by above-mentioned steps
Secondary cleaning is carried out to its surface using industrial pure water under room temperature environment, and it is dried using Drying unit and cooling fan
Dry and cooling treatment；
Painting treatment: coating is stirred uniformly by blender, by using air pressure diaphragm pump as spraying power
Spray booth is dried using the finishing of aerial spraying for source, shadow of the water content to aerial spraying in reduction air
It rings, is repeatedly sprayed, it can be by the control of the pressure of spraying in 80-90kg/cm when spraying2Between, spraying time control exist
Between 70s-80s, so that air pressure diaphragm pump inside courtyard is uniformly coated on aluminum flake surface；
Combined processing: preheating quilted plastic panel upper and lower surface by heater box, when plastic plate upper and lower surface temperature is equal
When reaching 90-120 DEG C, two pieces of aluminium mill sheets in coils after painting treatment are taken to be respectively aligned to quilted plastic panel upper and lower surface, and using rolling
Wheel natural lustre finishing machine carries out adhesion process to it, molding aluminium-plastic panel is made, and idler wheel natural lustre finishing machine uses YH710 continous way idler wheel hot light
Machine；It is air-cooled that aluminium-plastic panel after will be compound is sent into air cooled box progress；
Deburring processing: molding aluminium-plastic panel is positioned, cutting edge and cleaning.
Embodiment 2
Specific step is as follows for the production technology of the aluminium-plastic panel:
It is mixed: the polyethylene of 100 parts by weight is previously placed in stirred tank with 3-5 points of 100-120r/min stirring
Clock, then successively pour into the talcum powder of 8 parts by weight, the calcium carbonate of 7 parts by weight, the barium sulfate of 20 parts by weight, 3 parts by weight non-halogen
Fire retardant and the defoaming agent of 2 parts by weight obtain plastic mixture in 30-45 minutes with 400-450r/min stirring in stirred tank, will
In hopper of the plastic mixture by suction feeder inspiration extruder；
Squeeze out blank: plastic mixture is drawn into extruder barrel 1 by feed inlet 2, starts motor driver 3, electricity
Machine actuating device 3 drives the extruding screw rotation in extruder barrel 1, and the other end of extruder barrel 1 is provided with connecting pipe 6, even
It is provided with discharge pipe 8 on adapter tube road 5, recycles the rotary tablet compression on extruding screw in extruder barrel 1 and raw material is squeezed
It presses, each component is mutually mixed uniformly in plastic mixture, and as the rotation plastic mixture of rotary tablet compression constantly moves right,
Material guiding screw is cooperated to squeeze out blank through connecting pipe 6 and discharge pipe 8, the blank squeezed out through extruder barrel 1 flows into wedge-shaped guide
Chamber 9, the bar shaped outlet through wedge-shaped guide chamber 9 fall to preforming pressing device 11, and preforming pressing device 11 is by internal base
Expect that water cooled pressing roller 1 is squeezed into plate structure with water cooling pressing roller 2 13, control water cooling pressing roller 1 and water cooling compress
The temperature of roller 2 13 is 40-50 DEG C, then preliminary molding quilted plastic panel is imported subsequent water cooling pressure roller and is squeezed with 10-15 DEG C
Sizing obtains quilted plastic panel, and is dusted processing to quilted plastic panel；
Ungrease treatment: aluminium flake to be processed is sent to spray chamber, is carried out preliminary degreasing using alkalescence degreasing agent CL-102, is taken off
Rouge temperature is maintained at 60-70 DEG C, is sprayed to degreaser on aluminium flake to be processed through nozzle from pump line by degreasing spray pump；It will be first
Aluminium flake after step degreasing scrubs the upper and lower surface of aluminium flake by brush roll, and neutral degreaser OY-52 is passed through degreasing spray pump
It carries out pressurization to be sprayed on aluminium flake, temperature is maintained at 55-65 DEG C of temperature；Aluminium flake obtained by above-mentioned steps is sent to neutralization chamber, is dipped to
It neutralizes in indoor neutral degreaser, to achieve the purpose that thorough degreasing；
Chemical conversion treatment: the aluminium mill sheets in coils progress after degreasing is sprayed simultaneously up and down using clear water, cleaning neutralizes raffinate, will rinse
Complete aluminium sheet is placed in electrolytic bath, by alkaline oxygenated method, aluminum flake surface is made to form oxidation film；By aluminium flake obtained by above-mentioned steps
Secondary cleaning is carried out to its surface using industrial pure water under room temperature environment, and it is dried using Drying unit and cooling fan
Dry and cooling treatment；
Painting treatment: coating is stirred uniformly by blender, by using air pressure diaphragm pump as spraying power
Spray booth is dried using the finishing of aerial spraying for source, shadow of the water content to aerial spraying in reduction air
It rings, is repeatedly sprayed, it can be by the control of the pressure of spraying in 80-90kg/cm when spraying2Between, spraying time control exist
Between 70s-80s, so that air pressure diaphragm pump inside courtyard is uniformly coated on aluminum flake surface；
Combined processing: preheating quilted plastic panel upper and lower surface by heater box, when plastic plate upper and lower surface temperature is equal
When reaching 90-120 DEG C, two pieces of aluminium mill sheets in coils after painting treatment are taken to be respectively aligned to quilted plastic panel upper and lower surface, and using rolling
Wheel natural lustre finishing machine carries out adhesion process to it, molding aluminium-plastic panel is made, and idler wheel natural lustre finishing machine uses YH710 continous way idler wheel hot light
Machine；It is air-cooled that aluminium-plastic panel after will be compound is sent into air cooled box progress；
Deburring processing: molding aluminium-plastic panel is positioned, cutting edge and cleaning.
The temperature change in two times of stirred tank described in step is mixed, the preparatory whipping temp of polyethylene is 20-30 DEG C, more
The whipping temp of stirred tank is 50-60 degrees Celsius after kind raw material mixing, the non-halogen flame retardant octabromodiphenyl base oxide.
The extrusion temperature for squeezing out extruder barrel described in blank step is 150-300 DEG C, and extruder barrel was squeezing out
Cheng Zhongjing gas vent is exhausted.
The mass concentration of each composition of the alkaline solution of alkaline oxygenated method described in chemical conversion treatment step is sodium carbonate 35-
55g/L, sodium chromate 20-30g/L and sodium hydroxide 3-6g/L, and in the environment of 90 DEG C -110 DEG C, the duration is in 10-
Between 15 minutes, aluminum flake surface is made to form oxidation film.
Resulting aluminium flake after above-mentioned carry out chemical conversion treatment is immersed in the CrO of 25g/L3In solution, Passivation Treatment at room temperature
Then 10~15s is dried at a temperature of being lower than 50 DEG C.
The coating in painting treatment step is anti-flaming dope, and anti-flaming dope is by 40~60 parts of acrylic emulsion, pure C
20~40 parts of lotion, 4~8 parts of vermiculite power, 5~10 parts of super fine bitter spar, 8~16 parts of fire retardant, wetting dispersing agent 0.4~0.8
Part, 0.3~0.6 part of levelling agent and 18~24 parts of filler are mixed with.
Squeeze out in blank step extruder barrel when in use: plastic mixture is drawn into extruder barrel 1 by feed inlet 2
Interior, middle charging aperture 2 is connected to extruder barrel 1, starts motor driver 3, and motor driver 3 drives in extruder barrel 1
Extruding screw rotation, the other end of extruder barrel 1 is provided with connecting pipe 6, discharge pipe 8 is provided in connecting pipe 6, is made
Rotary tablet compression on extruding screw recycles in extruder barrel 1 squeezes raw material, and each component is mutually mixed in plastic mixture
It closes uniformly, and as the rotation plastic mixture of rotary tablet compression constantly moves right, cooperation material guiding screw is through connecting pipe 6 and goes out
Pipe material 8 squeezes out blank, and offers the tapping channel 15 of rounded structure in the inside of connecting pipe 6 and discharge pipe 8, really
The stability for squeezing out blank is protected, the blank squeezed out through extruder barrel 1 flows into wedge-shaped guide chamber 9, and the bar shaped through wedge-shaped guide chamber 9 goes out
Mouthfuls 10 fall to preforming pressing device 11, and preforming pressing device 11 is by the internal water cooled pressing roller 1 of blank and water cooling
Pressing roller 2 13 is squeezed into plate structure, and the temperature for controlling water cooling pressing roller 1 and water cooling pressing roller 2 13 is 40-50 DEG C, then
Preliminary molding quilted plastic panel is imported subsequent water cooling pressure roller to be extruded to shape to obtain quilted plastic panel with 10-15 DEG C, and to modeling
Material core plate is dusted processing.
It is Horizontal cylinder structure that squeeze out extruder in blank, which include extruder barrel 1, the extruder barrel 1, and in extruder
One end of 1 circular arc side of cylinder is fixedly installed the feed inlet 2 of wedge shaped structure, and one end of the extruder barrel 1 is fixedly installed
Motor driver 3, the motor driver 3 are fixedly connected with the extruding screw inside extruder barrel 1, the extruder barrel
1 other end is provided with connecting pipe 6, and discharge pipe 8, the connecting pipe 6 and discharge pipe 8 are provided in connecting pipe 6
It is arranged in a mutually vertical manner, and offers the tapping channel 15 of rounded structure in the inside of connecting pipe 6 and discharge pipe 8, and even
Adapter tube road 6 is vertical with the tapping channel 15 of discharge pipe 8 to be connect, and wedge-shaped guide chamber 9 is arranged in the nozzle of the discharge pipe 8
It is internal；
The inside of the wedge shape guide chamber 9 offers annular groove 18, is provided on the outer annular face of the discharge pipe 8
Ring block 16, the discharge pipe 8 are rotatably connected in the annular groove 18 inside wedge-shaped guide chamber 9 by ring block 16, make to squeeze
Machine barrel 1 can be rotated around wedge-shaped guide chamber 9 out, so that extruder barrel 1 is installed in different zones, made extruder barrel
1 practicability is stronger, and the underface of wedge shape 9 bar shaped of guide chamber outlet 10 is provided with preforming pressing device 11, described pre-
Molding pressing device 11 is made of water cooling pressing roller 1 and water cooling pressing roller 2 13；
The bottom of the 1 outside circular arc side of extruder barrel is provided with several temperature control devices 5, the temperature control device 5
Output end is connected with control pipeline 4, and temperature control pipeline 4 is fixedly connected on the external circular arc side of extruder barrel 1, is filled by temperature control
Set the temperature of 5 control extruder barrels 1；
The connecting pipe 6 is provided with blocking 7 far from one end of extruder barrel 1, and the blocking 7 is inside connecting pipe 6
Plug depth be configured through 8 top discharge channel 15 of discharge pipe, pass through the on-off of 7 control tapping channels 15 of blocking.
The working principle of extruder: plastic mixture is drawn into extruder barrel 1 by feed inlet 2, starts motor driven
Device 3, motor driver 3 drive the extruding screw rotation in extruder barrel 1, are squeezing the rotary tablet compression on extruding screw
Circulation squeezes raw material in machine barrel 1, and each component is mutually mixed uniformly in plastic mixture, and with the rotation of rotary tablet compression
Plastic mixture constantly moves right, and cooperation material guiding screw squeezes out base through the tapping channel 15 in connecting pipe 6 and discharge pipe 8
Material, the blank squeezed out through extruder barrel 1 flow into wedge-shaped guide chamber 9, and the bar shaped outlet 10 through wedge-shaped guide chamber 9 falls to preforming
Pressing device 11 is squeezed the internal water cooled pressing roller 1 of blank with water cooling pressing roller 2 13 by preforming pressing device 11
It is pressed into plate structure, the temperature for controlling water cooling pressing roller 1 and water cooling pressing roller 2 13 is 40-50 DEG C, is obtained preliminary molding
Quilted plastic panel.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (7)
1. a kind of plastic-aluminum board production technology, which comprises the following steps:
It is mixed: the polyethylene of 100 parts by weight is previously placed in stirred tank with 100-120r/min stirring 3-5 minutes, then
Successively pour into the talcum powder of 3-8 parts by weight, the calcium carbonate of 2-7 parts by weight, the barium sulfate of 15-20 parts by weight, 1-3 parts by weight it is non-
It is mixed that halogen flame and the defoaming agent of 1-2 parts by weight obtain plastics for 30-45 minutes in stirred tank with 400-450r/min stirring
Material is closed, it will be in hopper of the plastic mixture by suction feeder inspiration extruder；
Squeeze out blank: plastic mixture is drawn into extruder barrel by feed inlet, and middle charging aperture is connected to extruder barrel, is opened
Dynamic motor driver, motor driver drive the extruding screw rotation in extruder barrel, the other end setting of extruder barrel
There is connecting pipe, be provided with discharge pipe in connecting pipe, recycles the rotary tablet compression on extruding screw in extruder barrel pair
Raw material is squeezed, and each component is mutually mixed uniformly in plastic mixture, and not with the rotation plastic mixture of rotary tablet compression
Disconnected to move right, cooperation material guiding screw squeezes out blank through connecting pipe and discharge pipe, and in connecting pipe and discharge pipe
Inside offers the tapping channel of rounded structure, it is ensured that the stability for squeezing out blank, the blank squeezed out through extruder barrel flow into
Wedge-shaped guide chamber, the bar shaped outlet through wedge-shaped guide chamber fall to preforming pressing device, and preforming pressing device will be internal
The water cooled pressing roller one of blank is squeezed into plate structure, control water cooling pressing roller one and water cooling pressing roller two with water cooling pressing roller two
Temperature be 40-50 DEG C, then preliminary molding quilted plastic panel is imported into subsequent water cooling pressure roller and be extruded to shape with 10-15 DEG C
Processing is dusted to quilted plastic panel, and to quilted plastic panel；
Ungrease treatment: aluminium flake to be processed is sent to spray chamber, carries out preliminary degreasing, degreasing temperature using alkalescence degreasing agent CL-102
Degree is maintained at 60-70 DEG C, is sprayed to degreaser on aluminium flake to be processed through nozzle from pump line by degreasing spray pump；It will tentatively take off
Aluminium flake after rouge scrubs the upper and lower surface of aluminium flake by brush roll, and neutral degreaser OY-52 is carried out by degreasing spray pump
Pressurization is sprayed on aluminium flake, and temperature is maintained at 55-65 DEG C of temperature；Aluminium flake obtained by above-mentioned steps is sent to neutralization chamber, neutralization is dipped to
In indoor neutrality degreaser, to achieve the purpose that thorough degreasing；
Chemical conversion treatment: the aluminium mill sheets in coils progress after degreasing is sprayed simultaneously up and down using clear water, cleaning neutralizes raffinate, by what is rinsed
Aluminium sheet is placed in electrolytic bath, by alkaline oxygenated method, aluminum flake surface is made to form oxidation film；By aluminium flake obtained by above-mentioned steps in room
Secondary cleaning is carried out to its surface using industrial pure water under warm environment, and using Drying unit and cooling fan it is carried out drying and
Cooling treatment；
Painting treatment: coating is stirred uniformly by blender, by using air pressure diaphragm pump as spraying power source, is adopted
With the finishing of aerial spraying, spray booth is dried, reduces influence of the water content to aerial spraying in air, into
Row repeatedly spraying, can control the pressure of spraying in 80-90kg/cm when spraying2Between, spraying time control in 70s-
Between 80s, so that air pressure diaphragm pump inside courtyard is uniformly coated on aluminum flake surface；
Combined processing: preheating quilted plastic panel upper and lower surface by heater box, when plastic plate upper and lower surface temperature reaches
At 90-120 DEG C, two pieces of aluminium mill sheets in coils after painting treatment are taken to be respectively aligned to quilted plastic panel upper and lower surface, and scald using idler wheel
Ray machine carries out adhesion process to it, molding aluminium-plastic panel is made, and idler wheel natural lustre finishing machine uses YH710 continous way idler wheel natural lustre finishing machine；It will
It is air-cooled that aluminium-plastic panel after compound is sent into air cooled box progress；
Deburring processing: molding aluminium-plastic panel is positioned, cutting edge and cleaning.
2. a kind of plastic-aluminum board production technology according to claim 1, which is characterized in that be mixed described in step and stir
Temperature change, the preparatory whipping temp of polyethylene are 20-30 DEG C to kettle in two times, and the whipping temp of stirred tank is after plurality of raw materials mixing
50-60 degrees Celsius, the non-halogen flame retardant octabromodiphenyl base oxide.
3. a kind of plastic-aluminum board production technology according to claim 1, which is characterized in that squeeze out and squeezed out described in blank step
The extrusion temperature of machine barrel is 150-300 DEG C, and extruder barrel is exhausted in extrusion process through gas vent.
4. a kind of plastic-aluminum board production technology according to claim 1, which is characterized in that alkalinity described in chemical conversion treatment step
The mass concentration of each composition of the alkaline solution of oxidizing process is sodium carbonate 35-55g/L, sodium chromate 20-30g/L and sodium hydroxide
3-6g/L。
5. a kind of plastic-aluminum board production technology according to claim 1, which is characterized in that by institute after above-mentioned carry out chemical conversion treatment
The aluminium flake obtained is immersed in the CrO of 25g/L3In solution, 10~15s of Passivation Treatment, then dries at a temperature of being lower than 50 DEG C at room temperature
It is dry.
6. a kind of plastic-aluminum board production technology according to claim 1, which is characterized in that the painting in painting treatment step
Material is anti-flaming dope, and anti-flaming dope is by 40~60 parts of acrylic emulsion, 20~40 parts of pure-acrylic emulsion, 4~8 parts of vermiculite power, ultra-fine
5~10 parts of dolomite, 8~16 parts of fire retardant, 0.4~0.8 part of wetting dispersing agent, 0.3~0.6 part of levelling agent and filler 18~24
Part is mixed with.
7. a kind of plastic-aluminum board production technology according to claim 1, which is characterized in that squeeze out extruder in blank step and exist
In use, plastic mixture is drawn into extruder barrel by feed inlet, middle charging aperture is connected to extruder barrel, starts motor
Driving device, motor driver drive the extruding screw rotation in extruder barrel, and the other end of extruder barrel is provided with connection
Pipeline is provided with discharge pipe in connecting pipe, make the rotary tablet compression on extruding screw recycled in extruder barrel to raw material into
Row squeezes, and each component is mutually mixed uniformly in plastic mixture, and constantly to the right with the rotation plastic mixture of rotary tablet compression
Mobile, cooperation material guiding screw squeezes out blank through connecting pipe and discharge pipe, and opens in the inside of connecting pipe and discharge pipe
Tapping channel equipped with rounded structure, it is ensured that the stability for squeezing out blank, the blank squeezed out through extruder barrel flow into wedge shape and lead
Expect chamber, the bar shaped outlet through wedge-shaped guide chamber falls to preforming pressing device, and preforming pressing device passes through internal blank
Water cooling pressing roller one and water cooling pressing roller two are squeezed into plate structure, control the temperature of water cooling pressing roller one and water cooling pressing roller two
It is 40-50 DEG C.
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| CN112060604A (en) * | 2020-09-10 | 2020-12-11 | 崔如福 | Production process of building decoration material |
| CN113306060A (en) * | 2021-07-09 | 2021-08-27 | 钟玉兰 | Auxiliary device for coating tabletting and solving problem of difficult recycling of coating |
| CN114147932A (en) * | 2021-12-01 | 2022-03-08 | 信丰福昌发电子有限公司 | Forming process for inner-layer and outer-layer spiral extruded wire boards in production and processing of multilayer pcb (printed circuit board) |
| CN114437441A (en) * | 2022-02-25 | 2022-05-06 | 山东金色阳光建材有限公司 | Aluminum-plastic plate core material composition and preparation method thereof |
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| CN108753081A (en) * | 2018-05-29 | 2018-11-06 | 芜湖市元奎新材料科技有限公司 | Floor anti-flaming dope |
| CN109049746A (en) * | 2018-06-11 | 2018-12-21 | 台州市港泰铝塑板有限公司 | The production technology of aluminium-plastic panel |
| CN109705431A (en) * | 2018-12-04 | 2019-05-03 | 李贵林 | A kind of anti-electrostatic flame-retardant polyvinyl material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108753081A (en) * | 2018-05-29 | 2018-11-06 | 芜湖市元奎新材料科技有限公司 | Floor anti-flaming dope |
| CN109049746A (en) * | 2018-06-11 | 2018-12-21 | 台州市港泰铝塑板有限公司 | The production technology of aluminium-plastic panel |
| CN109705431A (en) * | 2018-12-04 | 2019-05-03 | 李贵林 | A kind of anti-electrostatic flame-retardant polyvinyl material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060604A (en) * | 2020-09-10 | 2020-12-11 | 崔如福 | Production process of building decoration material |
| CN113306060A (en) * | 2021-07-09 | 2021-08-27 | 钟玉兰 | Auxiliary device for coating tabletting and solving problem of difficult recycling of coating |
| CN113306060B (en) * | 2021-07-09 | 2023-01-17 | 岳阳林峰高科有限公司 | Auxiliary device for coating tabletting and solving problem of difficult recycling of coating |
| CN114147932A (en) * | 2021-12-01 | 2022-03-08 | 信丰福昌发电子有限公司 | Forming process for inner-layer and outer-layer spiral extruded wire boards in production and processing of multilayer pcb (printed circuit board) |
| CN114437441A (en) * | 2022-02-25 | 2022-05-06 | 山东金色阳光建材有限公司 | Aluminum-plastic plate core material composition and preparation method thereof |
| CN114437441B (en) * | 2022-02-25 | 2023-11-03 | 山东金色阳光建材有限公司 | Aluminum plastic plate core material composition and preparation method thereof |
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| CN110281635B (en) | 2021-03-30 |
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