CN104977635A - Reflector plate - Google Patents
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- CN104977635A CN104977635A CN201410131239.2A CN201410131239A CN104977635A CN 104977635 A CN104977635 A CN 104977635A CN 201410131239 A CN201410131239 A CN 201410131239A CN 104977635 A CN104977635 A CN 104977635A
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- reflective sheet
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- 239000002344 surface layer Substances 0.000 claims abstract description 90
- 239000010410 layer Substances 0.000 claims abstract description 74
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 50
- 239000004743 Polypropylene Substances 0.000 claims description 46
- 229920001155 polypropylene Polymers 0.000 claims description 37
- -1 polyethylene Polymers 0.000 claims description 36
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 229920001903 high density polyethylene Polymers 0.000 claims description 10
- 239000004700 high-density polyethylene Substances 0.000 claims description 10
- 229920001684 low density polyethylene Polymers 0.000 claims description 10
- 239000004702 low-density polyethylene Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims 4
- 239000002346 layers by function Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 238000001579 optical reflectometry Methods 0.000 claims 2
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 239000004636 vulcanized rubber Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000003973 paint Substances 0.000 description 5
- 229920006342 thermoplastic vulcanizate Polymers 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 229920006132 styrene block copolymer Polymers 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/0825—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only
- G02B5/0841—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only comprising organic materials, e.g. polymers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laminated Bodies (AREA)
Abstract
Description
技术领域 technical field
本发明有关一种反射片，尤指一种可降低成本并使具较佳的使用寿命的一反射片。 The present invention relates to a reflective sheet, especially to a reflective sheet which can reduce cost and have better service life.
背景技术 Background technique
许多的照明设备及液晶显示器都需配置予至少一反射片，藉由该反射片的作用，可将光源作反射再为利用，使该光源可被有效利用而不会产生浪费。 Many lighting equipments and liquid crystal displays need to be equipped with at least one reflector. With the function of the reflector, the light source can be reflected and reused, so that the light source can be effectively used without waste.
现有的反射片1乃如图1所示，主要具一基材层11及一保护层12，该基材层11主要为以聚对苯二甲酸乙二醇酯（PET）为主构成，其中该基材层11中并添加有二氧化钛(TiO2)，使光线照射到该等二氧化钛(TiO2)可被反射，而藉此达到对光源进行反射的功能作用；另外，保护层12乃置于基材层11的受光面处，该保护层12大多选用机械性较强的物质为之，如压克力材质等，藉该机械性较佳的保护层12以对基材层11提供一保护效果。 The existing reflection sheet 1 is shown in Figure 1, mainly has a substrate layer 11 and a protective layer 12, the substrate layer 11 is mainly composed of polyethylene terephthalate (PET), Titanium dioxide (TiO 2 ) is added to the substrate layer 11, so that the light can be reflected when it hits the titanium dioxide (TiO 2 ), thereby achieving the function of reflecting the light source; in addition, the protective layer 12 is placed At the light-receiving surface of the base material layer 11, the protective layer 12 is mostly made of a material with strong mechanical properties, such as acrylic material. Protective effect.
然而，现有的反射片1虽已可达到对光源做反射，但，其中以压克力涂料为之的保护层12乃需以涂布的方式加工于基材层11上，而压克力涂料的干燥硬化需消耗大量电力方能为之，且涂料硬化过程溶剂挥发亦造成环境污染，是，此一涂布加工的方式成本极为高昂，会使成品单价无法下降。再者，由压克力涂料为之的保护层12会使成品单位面积加重，对于产品轻量化的表现亦显有不足。 However, although the existing reflection sheet 1 can reflect the light source, the protective layer 12 made of acrylic paint needs to be processed on the base material layer 11 by coating, and the acrylic paint The drying and hardening of paint requires a lot of power consumption, and the volatilization of the solvent during the paint hardening process also causes environmental pollution. However, the cost of this coating processing method is extremely high, and the unit price of the finished product cannot be reduced. Furthermore, the protective layer 12 made of acrylic paint will increase the unit area of the finished product, which is also insufficient for the performance of product lightweight.
发明内容 Contents of the invention
本发明乃有关一种反射片，其主要在克服现有的反射片制造成本过高、使用寿命短少及产品无法达到轻量化的缺点。 The present invention relates to a reflection sheet, which mainly overcomes the disadvantages of high manufacturing cost, short service life and inability to achieve light weight of the existing reflection sheet.
为此，本发明提供一种反射片。本发明的反射片包含有一作用层、一第一表面层及一第二表面层。其中，本发明反射片的作用层采用聚乙烯（PE），并于其中添加二氧化钛(TiO2)所成的反射粒子，第一表面层与第二表面层采用聚丙烯（PP），且该作用层、第一表面层及一第二表面层乃以三层共押方式一体成型，使该第一表面层及一第二表面层分别结合而设置于作用层的二表面。 Therefore, the present invention provides a reflective sheet. The reflection sheet of the present invention includes an active layer, a first surface layer and a second surface layer. Among them, polyethylene (PE) is used as the active layer of the reflective sheet of the present invention, and reflective particles made of titanium dioxide (TiO 2 ) are added therein, polypropylene (PP) is used for the first surface layer and the second surface layer, and the effect The layer, the first surface layer and a second surface layer are integrally molded in a three-layer co-extruded manner, so that the first surface layer and a second surface layer are respectively combined and arranged on the two surfaces of the active layer.
本发明的反射片藉由其作用层的二表面分别由第一表面层及第二表面层所包覆，并利用三层共押方式一体成型而降低其制造成本，使本发明反射片的该作用层得以受到完善的保护，同时藉由第一表面层及第二表面层可增强反射片的刚性，而更有利于后续的应用。 The reflective sheet of the present invention is covered by the first surface layer and the second surface layer respectively by the two surfaces of its active layer, and utilizes three-layer co-extrusion method integral molding to reduce its manufacturing cost, make the reflective sheet of the present invention The active layer is perfectly protected, and the rigidity of the reflective sheet can be enhanced by the first surface layer and the second surface layer, which is more conducive to subsequent applications.
附图说明 Description of drawings
图1现有反射片的示意图。 Fig. 1 is a schematic diagram of an existing reflecting sheet.
图2本发明的示意图。 Figure 2 is a schematic diagram of the present invention.
图3、图4本发明的实施例示意图。 Figure 3 and Figure 4 are schematic diagrams of embodiments of the present invention.
图号说明： Description of figure number:
1反射片 1 reflector
11基材层 11 substrate layer
12保护层 12 layers of protection
2反射片 2 reflectors
21作用层 21 layer of action
211反射粒子 211 reflection particles
22第一表面层 22 first surface layer
221反射粒子 221 reflective particles
23第二表面层 23 second surface layer
A迎光面 A face to the light
B外表面。 BExternal surface.
具体实施方式 Detailed ways
首先，敬请阅图2所示，本发明的一实施例中，本发明的反射片2乃具一作用层21、及结合于该作用层21二侧外表的一第一表面层22及一第二表面层23，其总厚度约20～350um，并以三层共押方式一体成型； First of all, as shown in Figure 2, in an embodiment of the present invention, the reflection sheet 2 of the present invention has an active layer 21, and a first surface layer 22 and a first surface layer 22 that are combined on the outer surface of the active layer 21 two sides. The second surface layer 23 has a total thickness of about 20-350um, and is integrally formed by three layers of co-pressing;
其中，作用层21乃采用聚乙烯（PE）材质，并以高密度聚乙烯（High Density Polyethylene）与或低密度聚乙烯（Low Density Polyethylene）的掺混；该高密度聚乙烯熔融流动速率为0.1~20.0g/min (190℃/2.16kg)，比重0.85~0.95g/cm3，断裂延伸≥200％，低密度聚乙烯熔融流动速率为0.5~20.0 g/min (190℃/2.16kg)比重0.90~0.9g/cm3，断裂延伸≥400％。该作用层21中并添予二氧化钛(TiO2)所成的反射粒子211，该反射粒子211的粒径并介于0.3um至0.5um为较佳，且可以单一粒径或多种粒径一并添入，反射粒子211并占作用层21总重量的10~30％为较佳，而使该等反射粒子211均布于作用层21中，进而使作用层21对光源具一良好的光线反射性。再者，作用层21中并可进一步添加聚丙烯（PP），以使其可与第一表面层22及第二表面层23具较佳的兼容性，而有助于该作用层21分别与第一表面层22及第二表面层23的界面结合，而该聚丙烯（PP）并可选自均聚聚丙烯（homo-PP,hPP）、块状共聚聚丙烯（block-PP,bPP）及随机共聚聚丙烯（ranodm-PP,rPP）三类的其中任一类，其熔融流动速率1.0~40.0 g/min (230℃/2.16kg)，比重0.90~0.95g/cm3，断裂延伸≥80％，且其添加比例以不大于该作用层21总重量的50％为较佳。 Wherein, the active layer 21 is made of polyethylene (PE), and is blended with high density polyethylene (High Density Polyethylene) or low density polyethylene (Low Density Polyethylene); the melt flow rate of the high density polyethylene is 0.1 ~20.0g/min (190℃/2.16kg), specific gravity 0.85~0.95g/cm 3 , elongation at break ≥200%, low density polyethylene melt flow rate 0.5~20.0 g/min (190℃/2.16kg) specific gravity 0.90~0.9g/cm 3 , elongation at break ≥400%. In the active layer 21, reflective particles 211 made of titanium dioxide (TiO 2 ) are added. The particle size of the reflective particles 211 is preferably between 0.3um and 0.5um, and can be single particle size or multiple particle sizes. It is better to add reflective particles 211 and account for 10-30% of the total weight of the active layer 21, so that the reflective particles 211 are evenly distributed in the active layer 21, so that the active layer 21 has a good light for the light source reflective. Furthermore, polypropylene (PP) can be further added to the active layer 21, so that it can have better compatibility with the first surface layer 22 and the second surface layer 23, and help the active layer 21 and the second surface layer 23 respectively. The interface between the first surface layer 22 and the second surface layer 23 is bonded, and the polypropylene (PP) can be selected from homopolypropylene (homo-PP, hPP), block copolymerized polypropylene (block-PP, bPP) And any of the three types of random copolymerized polypropylene (ranodm-PP, rPP), the melt flow rate is 1.0~40.0 g/min (230℃/2.16kg), the specific gravity is 0.90~0.95g/cm 3 , and the elongation at break is ≥ 80%, and its addition ratio is preferably no more than 50% of the total weight of the active layer 21.
另，第一表面层22与第二表面层23采用聚丙烯（PP）材质，该第一表面层22与第二表面层23并分别结合于作用层21的二侧外表面而将作用层21的二表面包覆，使该作用层21可受到保护，该第一表面层22及第二表面层23与作用层21的厚度比例并介于1：1～1：100；该第一表面层22与第二表面层23并可选自均聚聚丙烯（homo-PP,hPP）、块状共聚聚丙烯（block-PP,bPP）及随机共聚聚丙烯（ranodm-PP,rPP）三类的其中任一类，其熔融流动速率1.0~40.0 g/min (230℃/2.16kg)，比重0.90~0.95g/cm3，断裂延伸≥80％。利用聚丙烯（PP）具一较佳的硬挺性，且具耐化学药品性、材料密度轻的特性，而使本发明的反射片2具一较佳的刚性，且具产品轻量化的优点。 In addition, the first surface layer 22 and the second surface layer 23 are made of polypropylene (PP), and the first surface layer 22 and the second surface layer 23 are respectively bonded to the two outer surfaces of the active layer 21 so that the active layer 21 The two surfaces are coated so that the active layer 21 can be protected. The thickness ratio of the first surface layer 22 and the second surface layer 23 to the active layer 21 is between 1:1 and 1:100; the first surface layer 22 and the second surface layer 23 can be selected from three types of homopolypropylene (homo-PP, hPP), block copolymer polypropylene (block-PP, bPP) and random copolymer polypropylene (ranodm-PP, rPP) For any one of them, the melt flow rate is 1.0~40.0 g/min (230℃/2.16kg), the specific gravity is 0.90~0.95g/cm 3 , and the elongation at break is ≥80%. Polypropylene (PP) has better rigidity, chemical resistance, and light material density, so that the reflection sheet 2 of the present invention has better rigidity and has the advantages of light weight.
进一步的，如图3所示，将第一表面层22与第二表面层23其中之一界定为迎光面A（图中以第一表面层22界定为迎光面A，但不以此为限），而于第一表面层22的该层中添加予二氧化钛(TiO2)所成的反射粒子221，该反射粒子221的粒径并介于0.3um至0.5um为较佳，且可以单一粒径或多种粒径一并添入，而使该第一表面层22具备对光线反射的作用功效。应用时，将该迎光面A面向光源方向，使该迎光面A于第一时间受到光源照射时，即可于第一时间即将光线做反射。使迎光面A的该表面层除具保护作用层21功效之外，更兼具对光源亦具反射的功效。 Further, as shown in FIG. 3, one of the first surface layer 22 and the second surface layer 23 is defined as the light-receiving surface A (the first surface layer 22 is defined as the light-receiving surface A in the figure, but not as such limit), and add titanium dioxide (TiO 2 ) reflective particles 221 to this layer of the first surface layer 22, the particle size of the reflective particles 221 is preferably between 0.3um and 0.5um, and can A single particle size or multiple particle sizes are added together so that the first surface layer 22 has the function of reflecting light. In application, the light-receiving surface A faces the direction of the light source, so that when the light-receiving surface A is irradiated by the light source at the first time, the light can be reflected at the first time. The surface layer of the light-receiving surface A not only has the function of the protective layer 21, but also has the function of reflecting the light source.
以及，如图4所示，将第一表面层22与第二表面层23其中一界定为外表面B（图中以第二表面层23界定为外表面B，但不以此为限），该外表面B用以应用时显露于最外表处，甚至可与其他物件做接触，于该第二表面层23的该层中添加予黏着剂，该黏着剂可选用含苯共聚合物弹性体（SBC，Styrene Block Copolymer），使经添加有黏着剂的该外表面B具有黏着力，进而使该具有黏着力的外表面B除具保护作用层21功效之外，亦兼具可与其他物件相黏合的效果，遂使本发明应用时可与被贴覆物二者达到固定位的功能。 And, as shown in FIG. 4, one of the first surface layer 22 and the second surface layer 23 is defined as the outer surface B (in the figure, the second surface layer 23 is defined as the outer surface B, but not limited thereto), The outer surface B is exposed to the outermost part during application, and can even be in contact with other objects. A pre-adhesive is added to this layer of the second surface layer 23, and the adhesive can be selected from a benzene-containing copolymer elastomer. (SBC, Styrene Block Copolymer), so that the outer surface B with the adhesive added has adhesive force, so that in addition to the function of the protective layer 21, the adhesive outer surface B also has the function of being compatible with other objects The effect of mutual adhesion makes the present invention achieve the function of fixing position with both the pasted object when applied.
续再请配合参阅图2、图3、图4所示，于本发明的另一实施例，本发明的反射片2仍具一作用层21、及结合于该作用层21二侧外表的一第一表面层22及一第二表面层23，其总厚度约20～350um，并以三层共押方式一体成型；其中，作用层21采用聚乙烯（PE）材质，并以高密度聚乙烯（High Density Polyethylene）与或低密度聚乙烯（Low Density Polyethylene）的掺混；该高密度聚乙烯熔融流动速率为0.1~20.0 g/min (190℃/2.16kg)，比重0.85~0.95g/cm3，断裂延伸≥200％，低密度聚乙烯熔融流动速率为0.5~20.0 g/min (190℃/2.16kg)比重0.90~0.9g/cm3，断裂延伸≥400％。该作用层21中亦添予二氧化钛(TiO2)所成的反射粒子211，其中，该反射粒子211的粒径并介于0.3um至0.5um为较佳，且可以单一粒径或多种粒径一并添入，反射粒子211并占作用层21总重量的10~30％为较佳，而使该等反射粒子211均布于作用层21中，使其对光源具一良好的光线反射性； Please continue to refer to Fig. 2, Fig. 3 and Fig. 4, in another embodiment of the present invention, the reflection sheet 2 of the present invention still has an active layer 21, and is combined with an outer surface on both sides of the active layer 21. The first surface layer 22 and a second surface layer 23 have a total thickness of about 20-350um, and are integrally formed by three-layer co-extrusion; among them, the active layer 21 is made of polyethylene (PE), and is made of high-density polyethylene. Blending of (High Density Polyethylene) and or Low Density Polyethylene (Low Density Polyethylene); the melt flow rate of the high density polyethylene is 0.1~20.0 g/min (190℃/2.16kg), and the specific gravity is 0.85~0.95g/cm 3. Elongation at break ≥ 200%, low-density polyethylene melt flow rate of 0.5-20.0 g/min (190°C/2.16kg), specific gravity 0.90-0.9g/cm 3 , elongation at break ≥ 400%. Reflective particles 211 made of titanium dioxide (TiO 2 ) are also added to the active layer 21, wherein, the particle size of the reflective particles 211 is preferably between 0.3um and 0.5um, and can be single particle size or multiple particles It is better to add reflective particles 211 and account for 10-30% of the total weight of the active layer 21, so that the reflective particles 211 are evenly distributed in the active layer 21, so that it has a good light reflection to the light source sex;
再者，作用层21中并可进一步添加聚丙烯（PP），以使之可与第一表面层22及第二表面层23具较佳的兼容性，而有助于该作用层21分别与第一表面层22及第二表面层23的界面结合，而该聚丙烯（PP）并可选自均聚聚丙烯（homo-PP,hPP）、块状共聚聚丙烯（block-PP,bPP）及随机共聚聚丙烯（ranodm-PP,rPP）三类的其中任一类，其熔融流动速率1.0~40.0 g/min (230℃/2.16kg)，比重0.90~0.95g/cm3，断裂延伸≥80％，且其添加比例以不大于该作用层21总重量的50％为较佳。 Moreover, polypropylene (PP) can be further added to the active layer 21, so that it can have better compatibility with the first surface layer 22 and the second surface layer 23, and help the active layer 21 and the second surface layer 23 respectively. The interface between the first surface layer 22 and the second surface layer 23 is bonded, and the polypropylene (PP) can be selected from homopolypropylene (homo-PP, hPP), block copolymerized polypropylene (block-PP, bPP) And any of the three types of random copolymerized polypropylene (ranodm-PP, rPP), the melt flow rate is 1.0~40.0 g/min (230℃/2.16kg), the specific gravity is 0.90~0.95g/cm 3 , and the elongation at break is ≥ 80%, and its addition ratio is preferably no more than 50% of the total weight of the active layer 21.
第一表面层22仍采用聚丙烯（PP）材质，但第二表面层23则采用热塑性硫化橡胶（Thermoplastic Vulcanizates，TPV）材质，该热塑性硫化橡胶可选用三元乙丙橡胶（ethylene propylene diene terpolymer rubber，EPDM）重量比20～70％与聚丙烯（PP）重量比20～70％的混炼物，该热塑性硫化橡胶具有耐紫外线、耐热等良好的耐候性优点，使该由热塑性硫化橡胶所成的第二表面层23更具一极佳的耐候性，而得以克服恶劣的应用环境。 The first surface layer 22 is still made of polypropylene (PP), but the second surface layer 23 is made of thermoplastic vulcanizates (Thermoplastic Vulcanizates, TPV). The thermoplastic vulcanizate can be ethylene propylene diene terpolymer rubber (EPDM). ) with a weight ratio of 20 to 70% and polypropylene (PP) with a weight ratio of 20 to 70%. The thermoplastic vulcanizate has the advantages of good weather resistance such as ultraviolet resistance and heat resistance. The surface layer 23 has excellent weather resistance, so as to overcome harsh application environments.
实施时，将第一表面层22界定为迎光面A，而于第一表面层22的该层中添加予二氧化钛(TiO2)所成的反射粒子221，该反射粒子221的粒径并介于0.3um至0.5um为较佳，且可以单一粒径或多种粒径一并添入，而使该第一表面层22具备对光线反射的作用功效。应用时，将该迎光面A面向光源方向，使该迎光面A于第一时间受到光源照射时，即可于第一时间即将光线做反射，使界定为迎光面A的该第一表面层22除具保护作用层21功效之外，更兼具对光源亦具反射的功效。 During implementation, the first surface layer 22 is defined as the light-receiving surface A, and reflective particles 221 made of titanium dioxide (TiO 2 ) are added to the layer of the first surface layer 22. The particle diameters of the reflective particles 221 vary between It is preferably 0.3um to 0.5um, and can be added with a single particle size or multiple particle sizes, so that the first surface layer 22 has the function of reflecting light. During application, the light-receiving surface A faces the direction of the light source, so that when the light-receiving surface A is irradiated by the light source at the first time, the light can be reflected at the first time, so that the first light-receiving surface A defined as the light-receiving surface A In addition to the function of the protective layer 21, the surface layer 22 also has the function of reflecting the light source.
并将第二表面层23界定为外表面B，该外表面B用以应用时显露于最外表处，甚至可与其他物件做接触，而该外表面B乃如前述的具耐紫外线、耐热等良好耐候性优点，进而可使本发明的反射片2可应用于一恶劣环境中；更进一步地，可于该第二表面层23中添加予黏着剂，该黏着剂可选用含苯共聚合物弹性体（SBC，Styrene Block Copolymer）材质，使经添加有黏着剂的该第二表面层23具有黏着力，而使该界定为外表面B的第二表面层23除具保护作用层21功效之外，亦兼具可与其他物件相黏合的效果，遂使本发明应用时可与被贴覆物二者达到固定位的功能。 And the second surface layer 23 is defined as the outer surface B, which is exposed at the outermost part during application, and can even be in contact with other objects, and the outer surface B is as mentioned above with UV resistance and heat resistance and other advantages of good weather resistance, so that the reflective sheet 2 of the present invention can be applied in a harsh environment; furthermore, a pre-adhesive can be added to the second surface layer 23, and the adhesive can be selected from copolymers containing benzene Material elastomer (SBC, Styrene Block Copolymer) material, so that the second surface layer 23 added with an adhesive has adhesive force, so that the second surface layer 23 defined as the outer surface B has the function of the protective layer 21 In addition, it also has the effect of being able to bond with other objects, so that when the present invention is applied, it can achieve the function of fixing the position with the object to be pasted.
Claims (29)
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| JP2020166260A (en) * | 2019-03-28 | 2020-10-08 | 三菱ケミカル株式会社 | Reflective material |
| JP2021149062A (en) * | 2020-03-23 | 2021-09-27 | 三菱ケミカル株式会社 | Reflector |
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