CN1376569A - Process for preparing plastic plate with rough surface - Google Patents
Process for preparing plastic plate with rough surface Download PDFInfo
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- CN1376569A CN1376569A CN 01109964 CN01109964A CN1376569A CN 1376569 A CN1376569 A CN 1376569A CN 01109964 CN01109964 CN 01109964 CN 01109964 A CN01109964 A CN 01109964A CN 1376569 A CN1376569 A CN 1376569A
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Abstract
A process for preparing plastic plate with rough surface features use of co-extruding technique by at least two extruders. The primary extruder is used for fusing and pugging the plastics, pigment and assistant to generate the plastic substrate. The secondary extruder is used for fusing and pugging the plastics, pigment, assistant and foaming agent to generate the surface sheet with rough surface. Its advantages are high productivity and low cost.
Description
The present invention is a kind of manufacture method of matsurface plastic plate, refers in particular to by production equipment time processing moulding matsurface plastic plate commonly used, makes the innovative technology of improving productivity and reduction equipment investment cost.
As everyone knows, have the plastic plate of matsurface because can increase and other media between frictional force, therefore be widely used in leather trunk liner, building and civil engineering.Plastic plate with matsurface is broadly divided into following three kinds in production method traditionally:
First kind: extrude the plastic plate of smooth surface earlier by dull and stereotyped extruder, the boiling hot plastic plate that is pressed into the tool rough surface of embossing of lines pattern is arranged with surperficial mint-mark again.
In second: extrude the plastic plate of surface smoothing earlier with dull and stereotyped extruder, make plastic plate again,, make plastic plate surface attachment plastic rubber material and produce coarse effect in the mode of pressurization spraying by a spraying equipment that is filled with the melt plastic cement material.
The third: the plastic plate with dull and stereotyped extruder production smooth surface, re-use the mode of drenching film, in the surface of level and smooth plastic plate coating one deck foamed plastic material, make the foamed plastic material produce coarse effect in the plastic plate surface.
The major defect of the manufacture method of above-mentioned three kinds of traditional mode of production matsurface plastic plates is: above three kinds of manufacture methods all need the program through secondary operations, can obtain having the plastic plate of matsurface, promptly need after extruding level and smooth plastic plate, again in the secondary operations mode in the required coarse lines of plastic plate surface forming, therefore production routine is comparatively complicated, and time-consuming, production efficiency can't be promoted.
In recent years, in order to improve production efficiency with matsurface plastic plate, someone proposes promptly to make the plastic plate with matsurface after the time processing moulding, adopt coextruded profiled mode, its required equipment need have extruder and the nitrogen machine more than two at least, wherein at least one extruder made the matsurface plastic rubber material in the finished product outside, back segment in the extruder material pipe of matsurface plastic rubber material pours into high pressure nitrogen with nitrogen machine, it is mixed with the plastic rubber material of fusion plastification, propelling movement by screw rod, the melt plastic cement material that is mixed with nitrogen is pushed to mould outlet, because of huge pressure falls, nitrogen is separated in the melt plastic cement material rapidly after going out die orifice, make the melt plastic cement material produce " broken skin " phenomenon, with the plastic rubber material cooling curing, form matsurface immediately at outer surface of substrate by main extruder extruding.Its major defect is:
Because the employed equipment of this kind manufacture method need be done special design, so the cost of investment of machinery equipment is higher, the price that is reflected at product is higher, causes can't promoting of product competitiveness.
Main purpose of the present invention is to provide a kind of manufacture method of matsurface plastic plate, by the coextruded profiled technology of at least two extruders commonly used, in the main extruder for fusion mix plastic rubber material and colorant and processing aid, the base material part of extrusion modling plastic plate; Secondary extruder produces gas after the decomposes at blowing agent for fusion mix plastic rubber material, colorant, processing aid and blowing agent in the material pipe, make foamed plastic and brokenly steep the coating part of extrusion modling tool matsurface; Base material part and cover material part are behind common process die head, the coating part that makes the tool matsurface with the cover material part common through behind the die head, make the coating of tool matsurface partly be incorporated into the outside of base material part, forming outer surface after cooling off is the matsurface plastic plate of coarse shape.Overcome the defective of prior art, reach in extrusion modling processing procedure, finish the operations for forming of matsurface plastic plate, improve the efficient of producing; Only use general traditional extruder appts to process, do not need extra equipment investment expense, reach the reduction cost of investment, improve the purpose of competitiveness of product.
The object of the present invention is achieved like this: a kind of manufacture method of matsurface plastic plate, it is characterized in that: use at least two extruders, in the barrel of main extruder A, insert for plastic rubber material, colorant and processing aid mixing, fusion is mixed in the material pipe of main extruder A, the base material part of extrusion modling plastic plate, secondary extruder is set to one or two, the barrel of secondary extruder B, C is inserted plastic rubber material, colorant, processing aid and an amount of blowing agent, the extrusion modling surface is the coating part of matsurface, and concrete implementation step is as follows:
(1) raw material mixes: send in the barrel of main extruder A after plastic rubber material, colorant and processing aid are mixed; Insert in the barrel of secondary extruder B, C after plastic rubber material, colorant, processing aid and an amount of blowing agent mixed;
(2) extruding: make the fusion in the material pipe of main extruder A of plastic rubber material, colorant and processing aid mix, compressive surface is the base material part of level and smooth shape; Make plastic material fusion in the material pipe of secondary extruder B, C of the plastic rubber material, colorant and the processing aid that are mixed with blowing agent mix again, the blowing agent that is added produces gas after the decomposes in the material pipe, the gas flow that produces is enough to make foamed plastic and broken bubble, forms shaggy coating part after extruding;
(3) moulding: base material part and coating part by main extruder A and secondary extruder B, the moulding of C institute all push to die head, and through behind the die head, the both sides that make the coating part be incorporated into base material part respectively are shaped to the plastic sheet that both sides are matsurface common;
(4) cool off with batching and cut off: the matsurface plastic plate that makes continuous discharging cuts off into the matsurface plastic plate of preliminary dimension after cold after being batched.
When this main extruder only cooperates a secondary extruder, coating that this pair extruder is made part is at the base material part of extruding with main extruder during jointly by die head, only make coating partly be combined in a side of this base material part, only making, single face is the plastic plate of matsurface.When this main extruder cooperated a secondary extruder, the coating part of secondary extruder institute extrusion modling formed two bursts of coating parts through a current divider, and during jointly by mould, the production both sides are the plastic plate of matsurface at the base material part made from main extruder.
Major advantage of the present invention is to have in extrusion modling processing procedure, finishes the operations for forming of matsurface plastic plate, improves the efficient of producing; Only use general traditional extruder appts to process, do not need extra equipment investment expense, have the reduction cost of investment, improve the effect of competitiveness of product.
Further specify below in conjunction with preferred embodiment and accompanying drawing.
Fig. 1 is a manufacturing process schematic diagram of the present invention.
Fig. 2 is the schematic perspective view of matsurface plastic plate of the present invention.
Fig. 3 is the manufacturing process schematic diagram of the embodiment of the invention 2.
Fig. 4 is the schematic perspective view of the matsurface plastic plate of the embodiment of the invention 2.
Consult Fig. 1-shown in Figure 2, the present invention adopts coextruded profiled technology, use two conventional extruder, supply plastic rubber material in the barrel of main extruder A, look section and processing aid mix inserts, fusion is mixed in the material pipe of main extruder A, base part part 1 for the extrusion modling plastic plate, secondary extruder can be set to a B or two B, C, secondary extruder B, the barrel of C removes for plastic rubber material, outside colorant and processing aid are inserted, also add an amount of blowing agent, to make raw materials such as blowing agent and plastic rubber material in secondary extruder B, fusion is mixed in the material pipe of C, at blowing agent in material pipe behind the decomposes generation bubble, for the extrusion modling surface is the coating part 2 of matsurface, and concrete implementation step is as follows:
1, raw material mixes: after plastic rubber material, colorant and processing aid are mixed, send in the barrel of main extruder A; After again plastic rubber material, colorant, processing aid and an amount of blowing agent being mixed, insert in the barrel of secondary extruder B, C;
2, extruding: make raw material fusions in the material pipe of main extruder A such as plastic rubber material, colorant and processing aid mix, and compressive surface is the base material part 1 of level and smooth shape, make plastic material fusion in the material pipe of secondary extruder B, C of plastic rubber material, colorant and the processing aid etc. that are mixed with blowing agent mix again, the blowing agent that is added produces gas after the decomposes in the material pipe, the gas flow that produces is enough to make foamed plastic, and broken bubble forms shaggy coating part 2 after extruding;
3, moulding: all push to die head with the secondary base material part 1 that pushes chess B, the moulding of C institute with coating part 2 by main extruder A, behind common process die head, make coating part 2 be incorporated into the both sides of base material part 1 respectively, be shaped to the plastic sheet 3 that both sides are matsurface;
4, cool off and batch and cut off: discharging has a matsurface plastic plate continuously, after cooling, cuts off into the matsurface plastic plate of preliminary dimension after being batched.
Consult Fig. 3-Fig. 4, in the present embodiment, when main extruder A cooperates a secondary extruder B, the coating part 2 of being made by secondary extruder B is common during by die head at the base material part made with main extruder A 1, make coating part 2 be combined in a side of base material part 1, only becoming, single face is the plastic plate of matsurface.
In addition, the present invention can cooperate a secondary extruder B by main extruder A, make the coating part 2 of secondary extruder B institute extrusion modling form two bursts of coating parts 2 through a current divider, in that to give as security the base material part made 1 common during by mould with main extruder A, but also the production both sides are the plastic plate of matsurface.
The roughness on the surface of matsurface plastic plate of the present invention is controlled by the input amount of blowing agent and the fusion viscoplasticity of plastic rubber material, and conditions such as kind collocation by selecting blowing agent and plastic rubber material for use and processing temperature obtain the matsurface plastic plate of predetermined roughness.
The explanation of above embodiment as can be known, manufacture method of the present invention can be in an extrusion modling, continuously extruded plastic plate with matsurface except that can enhancing productivity, only need use general traditional extruder to get final product production and processing, adding employed blowing agent is the commercially available prod, can't increase too many cost of material, therefore generally speaking, not need other costs of equipment of additional investment, can reduce the cost of investment of equipment, and then improve competitiveness of product.
Claims (3)
1, a kind of manufacture method of matsurface plastic plate, it is characterized in that: use at least two extruders, insert for plastic rubber material, colorant and processing aid mixing in the barrel of main extruder A, fusion is mixed in the material pipe of main extruder A, the base material part of extrusion modling plastic plate, secondary extruder are set to one or two, and the barrel of secondary extruder B, C is inserted plastic rubber material, colorant, processing aid and blowing agent, the extrusion modling surface is the coating part of matsurface, and concrete implementation step is as follows:
(1) raw material mixes: send in the barrel of main extruder A after plastic rubber material, colorant and processing aid are mixed; Insert in the barrel of secondary extruder B, C after plastic rubber material, colorant, processing aid and an amount of blowing agent mixed;
(2) extruding: make the fusion in the material pipe of main extruder A of plastic rubber material, colorant and processing aid mix, compressive surface is the base material part of level and smooth shape; Make plastic material fusion in the material pipe of secondary extruder B, C of the plastic rubber material, colorant and the processing aid that are mixed with blowing agent mix again, the blowing agent that is added produces gas after the decomposes in the material pipe, the gas flow that produces is enough to make foamed plastic and broken bubble, forms shaggy coating part after extruding;
(3) moulding: base material part and coating part by main extruder A and secondary extruder B, the moulding of C institute all push to die head, and through behind the die head, the both sides that make the coating part be incorporated into base material part respectively are shaped to the plastic sheet that both sides are matsurface common;
(4) cool off with batching and cut off: the matsurface plastic plate that makes continuous discharging cuts off into the matsurface plastic plate of preliminary dimension after cold after being batched.
2, the manufacture method of matsurface plastic plate as claimed in claim 1, it is characterized in that: when this main extruder only cooperates a secondary extruder, coating that this pair extruder is made part is at the base material part of extruding with main extruder during jointly by die head, only make coating partly be combined in a side of this base material part, only making, single face is the plastic plate of matsurface.
3, the manufacture method of matsurface plastic plate according to claim 1, it is characterized in that: when this main extruder cooperates a secondary extruder, the coating part of this pair extruder institute extrusion modling forms two bursts of coating parts through a current divider one, during jointly by mould, the production both sides are the plastic plate of matsurface at the base material part made from main extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01109964 CN1226127C (en) | 2001-03-26 | 2001-03-26 | Process for preparing plastic plate with rough surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01109964 CN1226127C (en) | 2001-03-26 | 2001-03-26 | Process for preparing plastic plate with rough surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1376569A true CN1376569A (en) | 2002-10-30 |
| CN1226127C CN1226127C (en) | 2005-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01109964 Expired - Fee Related CN1226127C (en) | 2001-03-26 | 2001-03-26 | Process for preparing plastic plate with rough surface |
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| Country | Link |
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| CN (1) | CN1226127C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101169A (en) * | 2013-01-22 | 2013-05-15 | 张琪彬 | Process for producing building plastic formwork by co-extrusion method and compound mould |
| CN105984101A (en) * | 2015-03-02 | 2016-10-05 | 吴江市博大电子科技有限公司 | Preparing method for composite material and composite material prepared through preparing method |
-
2001
- 2001-03-26 CN CN 01109964 patent/CN1226127C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101169A (en) * | 2013-01-22 | 2013-05-15 | 张琪彬 | Process for producing building plastic formwork by co-extrusion method and compound mould |
| CN103101169B (en) * | 2013-01-22 | 2016-02-24 | 张琪彬 | Coextruding method produces building plastic formwork technique and composite die |
| CN105984101A (en) * | 2015-03-02 | 2016-10-05 | 吴江市博大电子科技有限公司 | Preparing method for composite material and composite material prepared through preparing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1226127C (en) | 2005-11-09 |
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Owner name: HUIKWANG CORPORATION Free format text: FORMER NAME: HUIGUANG CHEMICAL CO., LTD |
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Address after: Tainan County, Taiwan, China Patentee after: HUIKWANG CORPORATION Address before: Tainan County, Taiwan, China Patentee before: Huiguang Chemical Co., Ltd |
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Granted publication date: 20051109 Termination date: 20180326 |