CN101298198A - Sunlight corrugated sheet and manufacturing method thereof - Google Patents
Sunlight corrugated sheet and manufacturing method thereof Download PDFInfo
- Publication number
- CN101298198A CN101298198A CNA2007100404109A CN200710040410A CN101298198A CN 101298198 A CN101298198 A CN 101298198A CN A2007100404109 A CNA2007100404109 A CN A2007100404109A CN 200710040410 A CN200710040410 A CN 200710040410A CN 101298198 A CN101298198 A CN 101298198A
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- CN
- China
- Prior art keywords
- sunlight
- corrugated sheet
- corrugated plate
- ultra
- violet absorber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C48/25—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
- 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
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a sunlight corrugated plate which is a polycarbonate corrugated plate. The invention also relates to a fabrication method of the polycarbonate corrugated plate. The sunlight corrugated plate comprises a sunlight corrugated plate body and is characterized in that the sunlight corrugated plate also comprises an ultraviolet absorbent protection layer which is formed on the surface of the sunlight corrugated plate body by a coextrusion method; the ultraviolet absorbent protection layer has the thickness of 30-50 micrometers. The fabrication method is that PC main material and an ultraviolet absorbent are respectively melted and extruded out under high temperature in an extruding machine, gathered in a die and cooled and shaped after being treated with calendering by a three-roll calender, then is heated by high temperature and formed and cooled in a forming die. The invention manufactures the sunlight corrugated plate by adopting the coextrusion method; the sunlight corrugated plate manufactured according to the method of the invention is not easy to be damaged or fallen off by layers; the effect of the ultraviolet absorbent is sufficiently exerted and the cost is reduced.
Description
Technical field
The present invention relates to a kind of sunlight corrugated sheet, promptly a kind of Merlon corrugated sheet; The invention still further relates to its manufacture method.
Background technology
The sunlight board formal name used at school is a polycarbonate plate.All there is the problem that is subjected to the ultraviolet light irradiation and quick aging takes place in plastic plate, each manufacturing enterprise all adopts diverse ways to address this problem, in the hope of prolonging the service life of product, the most practical and effective method is to add ultra-violet absorber in product, but the difference of adding technology can cause the world of difference of practical effect again.
Everybody adopts the surface-coated method at first; promptly be coated with the last layer ultra-violet absorber on the surface of sheet material; but because the compatibility of PC and other materials is very poor; so the back rainwater is installed to be dashed the coating on surface fall with regard to being easy to; consider product contingent damage in storage and transport process in addition; during production just the two sides at product be covered with diaphragm; this diaphragm must be torn after end is installed; and because the diaphragm toughness; so can glue the ultra-violet absorber of a large amount of surface-coated in the process of tearing, so actual effect is very poor.
Now a lot of producers adopt mixes additive process, promptly in the PC major ingredient, sneak into a certain amount of ultra-violet absorber (about 5%), extrude through high-temperature fusion together, this has solved the layering problem that comes off, but because the very most of of plate surface still exposes under sunshine, therefore the aging of plate surface still taken place inevitably, because ultra-violet absorber costs an arm and a leg, adds the rising significantly that a high proportion of absorbent like this has also caused product cost in addition.
Summary of the invention
Purpose of the present invention is to propose a kind of new sunlight corrugated sheet on the one hand, to solve the problem that the ultra-violet absorber layer is impaired easily, layering comes off that present Merlon corrugated sheet exists.
A kind of sunlight corrugated sheet comprises the sunlight corrugated sheet body, it is characterized in that: also comprise one deck ultra-violet absorber protective layer that forms on the surface of sunlight corrugated sheet body by coetrusion, 30 microns～50 microns of described ultra-violet absorber protection bed thickness.(visual purple outside line concentration of absorbing and decide).
The manufacture method that is to propose this sunlight corrugated sheet on the other hand of purpose of the present invention.
A kind of method of making above-mentioned sunlight corrugated sheet, it is characterized in that: high-temperature fusion is extruded in each comfortable extruder of PC major ingredient and ultra-violet absorber, converge in mould, cooling and shaping after the tri-roll press machine calendering is again through high temperature heating and moulding cooling in mould.
The PC major ingredient is extruded through 265 ℃～285 ℃ high-temperature fusion in extruder.
Ultra-violet absorber is extruded through 240 ℃～265 ℃ high-temperature fusion in extruder.
The temperature of upper, middle and lower three rollers is respectively 100～120 ℃, 110～130 ℃, 120～140 ℃.
Temperature through the high temperature heating is 260～270 ℃ again.
The present invention adopts coetrusion to make sunlight corrugated sheet, is not easy impaired, layering according to the sunlight corrugated sheet of said method manufacturing and comes off, and has given full play to the effect of ultra-violet absorber, and has reduced cost.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the sunlight corrugated sheet among the embodiment 1.
Fig. 2 is the structural representation of the sunlight corrugated sheet among the embodiment 2.
Fig. 3 is the structural representation of the sunlight corrugated sheet among the embodiment 3.
Fig. 4 is the structural representation of the sunlight corrugated sheet among the embodiment 4.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the present invention.
A kind of sunlight corrugated sheet; be ladder type board; comprise sunlight corrugated sheet body 1, respectively form one deck ultra-violet absorber protective layer 21,22, ultra-violet absorber protective layer 21,22 each thick 30 microns～50 microns (visual purple outside line concentration of absorbing and decide) in the upper and lower surface of sunlight corrugated sheet body.
Embodiment 2
A kind of sunlight corrugated sheet; be ladder type board; comprise sunlight corrugated sheet body 1, form one deck ultra-violet absorber protective layer 21, ultra-violet absorber protective layer 21 thick 30 microns～50 microns (visual purple outside line concentration of absorbing and decide) at the upper surface of sunlight corrugated sheet body.
Embodiment 3
A kind of sunlight corrugated sheet; be the wave mode plate; comprise sunlight corrugated sheet body 1, respectively form one deck ultra-violet absorber protective layer 21,22, ultra-violet absorber protective layer 21,22 each thick 30 microns～50 microns (visual purple outside line concentration of absorbing and decide) in the upper and lower surface of sunlight corrugated sheet body.
Embodiment 4
A kind of sunlight corrugated sheet; be the wave mode plate; comprise sunlight corrugated sheet body 1, form one deck ultra-violet absorber protective layer 21, ultra-violet absorber protective layer 21 thick 30 microns～50 microns (visual purple outside line concentration of absorbing and decide) at the upper surface of sunlight corrugated sheet body.
Embodiment 5
The ultra-violet absorber that adopts is K-6397, makes the thick sunlight corrugated sheet of 1.2cm, and wherein the ultra-violet absorber bed thickness is 30 microns.Extrude through 265 ℃ and 240 ℃ of high-temperature fusion in each comfortable extruder of PC major ingredient and ultra-violet absorber, in mould, converge, cooling and shaping after the tri-roll press machine calendering, the temperature of upper, middle and lower three rollers is respectively 100 ℃, 115 ℃, 130 ℃, again through 260 ℃ of high temperature heating and moulding cooling in mould.
Embodiment 6
The ultra-violet absorber that adopts is DP1-1816, makes the thick sunlight corrugated sheet of 1cm, and wherein the ultra-violet absorber bed thickness is 50 microns.Extrude through 275 ℃ and 250 ℃ of high-temperature fusion in each comfortable extruder of PC major ingredient and ultra-violet absorber, in mould, converge, cooling and shaping after the tri-roll press machine calendering, the temperature of upper, middle and lower three rollers is respectively 105 ℃, 120 ℃, 135 ℃, again through 265 ℃ of high temperature heating and moulding cooling in mould.
Embodiment 7
The ultra-violet absorber that adopts is ML3987, makes the thick sunlight corrugated sheet of 1cm, and wherein the ultra-violet absorber bed thickness is 50 microns.Extrude through 285 ℃ and 265 ℃ of high-temperature fusion in each comfortable extruder of PC major ingredient and ultra-violet absorber, in mould, converge, cooling and shaping after the tri-roll press machine calendering, the temperature of upper, middle and lower three rollers is respectively 110 ℃, 125 ℃, 140 ℃, again through 270 ℃ of high temperature heating and moulding cooling in mould.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1, a kind of sunlight corrugated sheet comprises the sunlight corrugated sheet body, it is characterized in that: also comprise one deck ultra-violet absorber protective layer that forms on the surface of sunlight corrugated sheet body by coetrusion, 30 microns～50 microns of described ultra-violet absorber protection bed thickness.
2, a kind of method of making sunlight corrugated sheet as claimed in claim 1, it is characterized in that: high-temperature fusion is extruded in each comfortable extruder of PC major ingredient and ultra-violet absorber, converge in mould, cooling and shaping after the tri-roll press machine calendering is again through high temperature heating and moulding cooling in shaping mould.
3, the manufacture method of sunlight corrugated sheet according to claim 2 is characterized in that: the PC major ingredient is extruded through 265 ℃～285 ℃ high-temperature fusion in extruder.
4, the manufacture method of sunlight corrugated sheet according to claim 2 is characterized in that: ultra-violet absorber is extruded through 240 ℃～265 ℃ high-temperature fusion in extruder.
5, the manufacture method of sunlight corrugated sheet according to claim 2 is characterized in that: the temperature of upper, middle and lower three rollers is respectively 100～120 ℃, 110～130 ℃, 120～140 ℃.
6, the manufacture method of sunlight corrugated sheet according to claim 2 is characterized in that: the temperature through the high temperature heating is 260～270 ℃ again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100404109A CN101298198A (en) | 2007-04-30 | 2007-04-30 | Sunlight corrugated sheet and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100404109A CN101298198A (en) | 2007-04-30 | 2007-04-30 | Sunlight corrugated sheet and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101298198A true CN101298198A (en) | 2008-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100404109A Pending CN101298198A (en) | 2007-04-30 | 2007-04-30 | Sunlight corrugated sheet and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN101298198A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441546A (en) * | 2014-10-27 | 2015-03-25 | 品诚塑胶科技（上海）有限公司 | Production equipment and production method of hollow corrugated polycarbonate sunlight plate |
-
2007
- 2007-04-30 CN CNA2007100404109A patent/CN101298198A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441546A (en) * | 2014-10-27 | 2015-03-25 | 品诚塑胶科技（上海）有限公司 | Production equipment and production method of hollow corrugated polycarbonate sunlight plate |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081105 |