CN202045957U - Special compounded polycarbonate sheet for window of high speed railway - Google Patents
Special compounded polycarbonate sheet for window of high speed railway Download PDFInfo
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- CN202045957U CN202045957U CN2011201109376U CN201120110937U CN202045957U CN 202045957 U CN202045957 U CN 202045957U CN 2011201109376 U CN2011201109376 U CN 2011201109376U CN 201120110937 U CN201120110937 U CN 201120110937U CN 202045957 U CN202045957 U CN 202045957U
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Abstract
The utility model relates to a special compounded polycarbonate sheet for a window of the high speed railway, which is provided with a transparent polycarbonate sheet with the thickness of 1.5-3.5mm. A polymethylmethacrylate film with the thickness of 0.1-0.2mm is covered on the single surface or double surfaces of the transparent polycarbonate sheet; the transparent polycarbonate sheet is adhered with the polymethylmethacrylate film through a glue adhesive; and the outer surface of the polymethylmethacrylate film is covered with a hardening layer. The special compounded polycarbonate sheet has simple structure high impact-resistance intensity and other mechanical properties and is easy in preparation,, the pencil hardness on the surface of the special compounded polycarbonate sheet can be achieved above 4H, and the special compounded polycarbonate sheet has the advantages of good sound insulation effect, good temperature adaptability, strong flame retardancy, light weight, easiness in transportation and the like, and use requirement on the window for the high speed railway can be completely met.
Description
Technical field:
The utility model relates to a kind of high ferro window specific complex polycarbonate sheet.
Background technology:
Clear polycarbonate (PC) sheet material light transmittance reaches as high as 90%, can with the light transmittance comparable to of glass.The impact strength of PC sheet material be the condition of equivalent thickness simple glass 250-300 doubly, be 30 times of acrylic (PMMA) plate, have the good safety energy, the proportion of PC only is half of glass, saved transportation, remove unload, the cost of installation and support frame.In addition, with the glassy phase ratio, the PC plate demonstrates remarkable advantages at aspects such as soundproof effect, thermal adaptability, anti-condensation and weatherabilities.So at present increasing public transport equipment uses transparent PC sheet material to replace glass as the transparent window material.But because polycarbonate surface hardness lower (surperficial pencil hardness only is 3B), scratch resistance not, when not surface treated PC sheet material uses as the transparent window material, be scratched easily and influence its optical property and service life, need carry out surperficial cure process and improve its surface treatment its surface.Traditional common polycarbonate sheet surface-hardening treatment method is at its surperficial coating UV hardening bath, solidifies by UV afterwards, forms one deck hardened layer on its surface, because the existence of hardened layer can make polycarbonate surface hardness be improved.Can reach 1H through the surface of the polycarbonate sheet after cure process pencil hardness.Though the polycarbonate film case hardness is increased to 1H, still be difficult to satisfy the user demand of the high scratch resistance occasion of some needs (such as the high ferro window).
Transparent polymethyl-benzene olefin(e) acid methyl esters (PMMA, being commonly called as acrylic) light transmittance can reach 92%, is fit to do optical material, case hardness height (can reach 2H), surface pencil hardness after surperficial cure process can reach more than the 4H, can satisfy the user demand of some high scratch resistance occasion to case hardness.But the impact strength of PMMA plate but not as the PC plate of condition of equivalent thickness, is difficult to satisfy the user demand of some needs high impact strength.
High-speed railway is a communal facility of greatly developing during China 12, bullet train has advantages such as conveying capacity is big, speed is fast, energy resource consumption is low, comfortable convenience, simultaneously also require it to have excellent security, especially its vehicle window, require not only to have the good optical performance, also require to have difficult combustion simultaneously, characteristics such as high impact-resistant, weather-proof, scratch resistance flower.
Summary of the invention:
In order to solve the problems of the technologies described above, the utility model provides a kind of high ferro window specific complex polycarbonate sheet.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of high ferro window specific complex polycarbonate sheet material, has the transparent polycarbonate sheets that a thickness is 1.5-3.5mm, on the single or double of described transparent polycarbonate sheets, be covered with the polymethyl methacrylate film that thickness is 0.1-0.2mm, bonding between described transparent polycarbonate sheets and the polymethyl methacrylate film by adhesive layer, described adhesive layer thickness is about 25-30 μ m, be covered with hardened layer on the outer surface of described polymethyl methacrylate film, described thin hardened layer is 1-10 μ m.
Be covered with layer protecting film on the outer surface of described hardened layer.
The utility model is simple in structure, have only high impact strength and other mechanical properties, its surperficial pencil hardness can reach more than the 4H, has good soundproof effect, thermal adaptability, flame retardancy, and light weight is easy to advantages such as carrying, can satisfy the user demand of high ferro window fully.
Description of drawings:
Structural representation when Fig. 1 does not have hardened layer for the utility model.
Fig. 2 is a structural representation of the present utility model.
The structural representation of the polymethyl methacrylate film that have tack coat of Fig. 3 when not using.
Fig. 4 is for being the attaching process schematic diagram.
Among the figure: 11, polymethyl methacrylate film; 12, adhesive layer; 13, PET release layer; 21, transparent polycarbonate sheets; 31, hardened layer.
The specific embodiment:
Below in conjunction with drawings and Examples the utility model is further specified.
A kind of high ferro window specific complex polycarbonate sheet as shown in Figure 2, having a thickness is the transparent polycarbonate sheets 21 of 1.5-3.5mm, being covered with thickness on the single or double of described transparent polycarbonate sheets 21 is the polymethyl methacrylate film 11 of 0.1-0.2mm, pass through adhesive layer 12 bonding (as Fig. 1) between described transparent polycarbonate sheets 21 and the polymethyl methacrylate film 11, described adhesive layer 12 thickness are about 25-30 μ m, the binding agent that described adhesive layer 12 is adopted is polyurethane (PU) adhesive class or esters of acrylic acid adhesive, described adhesive contains UV absorbers, and it has good weatherability, optical property and adhesive property.Be covered with hardened layer 31 on the outer surface of described polymethyl methacrylate film 11, described hardened layer 31 thickness are 1-10 μ m.
And, on the outer surface of above-mentioned hardened layer 31, be covered with layer protecting film in order to prevent that product from producing surperficial scratch in various degree in transportation, and described diaphragm is the PE material, preferred high temperature resistant PE material, overlay film adopt the mode of heating overlay film to carry out.
Above-mentioned transparent polycarbonate sheets can be formulated by the raw material of following mass fraction meter:
Merlon powder: 100%;
Antioxidant: 0.1-0.6%
UV absorbers: 0.1-0.6%
UV light stabilizing agent: 0.1-0.6%
Its preparation method following steps:
A, take by weighing above-mentioned all raw materials, then it was mixed in super mixer 3-7 minute according to mass fraction.
B, above-mentioned mixed raw material is thrown in double screw extruder, through melt extruding granulation; Compound time of delivery in screw rod is 1-2 minute.Wherein the temperature control 1-2 district temperature of double screw extruder is 200-300 ℃, temperature control 3-4 district temperature is 200-300 ℃, temperature 5-6 district temperature is 200-300 ℃, temperature control 7-8 district is 200-300 ℃, temperature control 9-10 district temperature is 200-300 ℃, and screw speed is controlled at 15 rev/mins-45 rev/mins, and described double screw extruder has pumped vacuum systems, in granulation process, extract the low molecular weight volatile material in the fusion plastification particle out.
C, the melt blended material after will extruding carry out pelletizing through the water-bath cooling, and wherein the temperature control of water-bath is at 40 ℃-60 ℃;
D, the particle that said method is made drop into shaped device and carry out making sheet, must carry out predryingly before the making sheet to particle, to eliminate the moisture content that particle itself contains, improve the surface quality of plate.Format roll is a mirror roller, and the thickness of plate is 1.5-3.5mm, and width is 960-1250mm.Making sheet must be carried out in high cleaning shop, purifies grade more than 10,000 grades, to prevent since the environment dust pollution to the surperficial optical characteristics that causes having influence on product of plate.
Described polymethyl methacrylate film requires to have certain weatherability and can obtain by purchase, also can be formulated by the raw material of following mass fraction meter:
Optical-grade polymethylmethacrylacontinuous: 100%;
Antioxidant: 0.1-0.6%
UV absorbers: 0.1-0.6%
UV light stabilizing agent: 0.1-0.6%
Described polymethyl methacrylate film preparation method is as follows:
A, take by weighing above-mentioned all raw materials, then it was mixed in super mixer 3-7 minute according to mass fraction.
B, above-mentioned mixed raw material is thrown in double screw extruder, through melt extruding granulation; Compound time of delivery in screw rod is 1-2 minute.Wherein the temperature control 1-2 district temperature of double screw extruder is 180-270 ℃, temperature control 3-4 district temperature is 180-270 ℃, temperature 5-6 district temperature is 180-270 ℃, temperature control 7-8 district is 180-270 ℃, temperature control 9-10 district temperature is 180-270 ℃, and screw speed is controlled at 15 rev/mins-45 rev/mins, and described double screw extruder has pumped vacuum systems, in granulation process, extract the low molecular weight volatile material in the fusion plastification particle out.
C, the melt blended material after will extruding carry out pelletizing through the water-bath cooling, and wherein the temperature control of water-bath is at 40 ℃-60 ℃;
D, the particle that said method is made drop into shaped device and carry out making sheet, must carry out predryingly before the making sheet to particle, to eliminate the moisture content that particle itself contains, improve the surface quality of plate.Format roll is a mirror roller, and the thickness of film is 0.1-0.2mm, and width is 960-1250mm.The system film must carry out in high cleaning shop, purifies grade more than 10,000 grades, to prevent since the environment dust pollution to the surperficial optical characteristics that causes having influence on product of plate.
Compound owing to needing by the mode of bonding between transparent polycarbonate sheets 21 and the polymethyl methacrylate film 11 in the utility model, so the polymethyl methacrylate film 11 for preparing by above-mentioned preparation method also needs to smear in the above one deck adhesive layer 12 at last, and at applying one deck PET release layer 13 (its structure such as Fig. 3) on adhesive layer 12, when transparent polycarbonate sheets 21 and polymethyl methacrylate film 11 fitted constantly, as long as peel off PET release layer 13.
The following (see figure 4) of manufacture method of described high ferro window specific complex polycarbonate sheet: transparent polycarbonate sheets is delivered in the laminating apparatus, the polymethyl methacrylate film that will have tack coat then under rubber roll heating pressurization is fitted in the upper and lower surface (PET release layer 13 removes before fitting) of this transparent polycarbonate sheets, at last spray UV hardening bath on the outer surface of the polymethyl methacrylate film of described high ferro window specific complex polycarbonate sheet carries out photocuring subsequently and handles.(in conjunction with Fig. 4)
The utility model is after a series of processing, and its surperficial pencil hardness can reach more than the 4H, so the high anti-scratch colored requirement that high ferro is used can be satisfied in its surface; Because the intermediate layer is a transparent polycarbonate sheets, so have high impact strength and other mechanical properties; Because used transparent polycarbonate sheets, polymethyl methacrylate film, adhesive portion are optical grade,, can satisfy the form requirement so its optical property is comparatively excellent; Because used transparent polycarbonate sheets, polymethyl methacrylate film and adhesive all contain age resister, so can satisfy long-term outdoor instructions for use.In addition, because the intermediate layer is transparent polycarbonate sheets, thus have good soundproof effect, thermal adaptability, flame retardancy, and light weight is easy to advantages such as carrying, can satisfy the user demand of high ferro window fully.
Table 1 is by the performance parameter table of said method gained Merlon composite board, and its thin hardened layer is 25 μ m, and the PMMA layer thickness is 0.15mm, and adhesive layer thickness is 25 μ m, and the PC sheet metal thickness is 2mm.
Table 1 Merlon composite board performance parameter
Claims (2)
1. high ferro window specific complex polycarbonate sheet, it is characterized in that: described high ferro window specific complex polycarbonate sheet has the transparent polycarbonate sheets that a thickness is 1.5-3.5mm (21), on the single or double of described transparent polycarbonate sheets (21), be covered with the polymethyl methacrylate film that thickness is 0.1-0.2mm (11), bonding between described transparent polycarbonate sheets (21) and the polymethyl methacrylate film (11) by adhesive layer (12), described adhesive layer (12) thickness is about 25-30 μ m, be covered with hardened layer (31) on the outer surface of described polymethyl methacrylate film (11), described hardened layer (31) thickness is 1-10 μ m.
2. high ferro window specific complex polycarbonate sheet according to claim 1 is characterized in that: be covered with layer protecting film on the outer surface of described hardened layer (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201109376U CN202045957U (en) | 2011-04-15 | 2011-04-15 | Special compounded polycarbonate sheet for window of high speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201109376U CN202045957U (en) | 2011-04-15 | 2011-04-15 | Special compounded polycarbonate sheet for window of high speed railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202045957U true CN202045957U (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201109376U Expired - Fee Related CN202045957U (en) | 2011-04-15 | 2011-04-15 | Special compounded polycarbonate sheet for window of high speed railway |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259452A (en) * | 2011-04-15 | 2011-11-30 | 苏州奥美材料科技有限公司 | Special composite polycarbonate sheet for high-speed rail and manufacturing method thereof |
| WO2018133048A1 (en) * | 2017-01-20 | 2018-07-26 | 陈斌 | Method of manufacturing multi-layer fire-resistant composite panel, and structure thereof |
| CN108327369A (en) * | 2017-01-20 | 2018-07-27 | 陈斌 | The production method and its construction of the resistance to combustion composite plate of multiple field |
-
2011
- 2011-04-15 CN CN2011201109376U patent/CN202045957U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259452A (en) * | 2011-04-15 | 2011-11-30 | 苏州奥美材料科技有限公司 | Special composite polycarbonate sheet for high-speed rail and manufacturing method thereof |
| WO2018133048A1 (en) * | 2017-01-20 | 2018-07-26 | 陈斌 | Method of manufacturing multi-layer fire-resistant composite panel, and structure thereof |
| CN108327369A (en) * | 2017-01-20 | 2018-07-27 | 陈斌 | The production method and its construction of the resistance to combustion composite plate of multiple field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20140415 |