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– Oct 25, 2017
From baby bottles to optical lenses to television or mobile phones… the applications list is never ending for transparent plastics. Today, we are surrounded by several clear or transparent plastic materials that make product more attractive as well as portable to use over traditional glass. 从奶瓶到光学透镜到电视或移动电话…，透明塑料的应用列表是无穷无尽的。今天，我们被一些透明塑料包围着它们使产品较之于传统的玻璃更加引人入胜，用起来也更便捷。 Nowadays, several manufacturers are taking advantage of the inherent quality and consistency of transparent plastic materials by incorporating them in several applications to: 当今，一些制造商正在利用透明塑料材料的固有品质和恒定的性质而将其应用于： · Manufacture lightweight, durable and shatter-resistant products · 制造轻量化、耐用和耐破碎的产品 · Lower production costs · 降低生产成本 · Produce complex geometry and uniquely shaped components · 生产具有复杂几何结构独特形状的部件 · Achieve visible light transmission and/or optical refractive power comparable to glass · 相对于玻璃，透明塑料可以达到可见光的透过和/或光学折射能力 · And many more… · 以及其它应用… Some of the popular applications benefiting from above mentioned advantages are: 一些常见的应用从上述提到的优点中获得好处： 1. Packaging (food, cosmetics…) 包装（食品，化妆品..） 2. Consumer products (Food processing jars, data storage products, lenses…) 消费品（食品加工罐，数据储存产品，透镜…） 3. Glazing for buildings (aquarium, security shields…) 建筑玻璃（水族馆，安全保护…） 4. Automotive & electrical components (LEDs, headlamp covers…) 汽车和电子部件（LED，前灯罩壳…） 5. Healthcare (syringes, …) 健康（注射器...） 6. Agricultural films 农膜 However, this range of applications is very broad, it is remarkable that only a few polymer types meet the demanding material specifications. 但是，这类应用范围很宽，明面地，只有一些聚合物类型可以满足苛刻的材料规定。 Let’s take a look at this ‘sparkling’ category of plastics and discuss some of the transparent polymers (PC, PMMA, PET, SMMA, COC…and more) for their features and popular applications! 让我们看看这份“星光灿烂”的塑料目录，就其特征和常见应用讨论一些透明聚合物（PC, PMMA, PET, SMMA, COC…和更多）！ Polycarbonate 聚碳酸酯 Polycarbonate (PC) is a high-performance tough, amorphous and transparent thermoplastic polymer offering unique combination of properties such as high impact strength, dimensional stability, good mechanical properties, etc. It can transmit over 90% light and block ultraviolet radiation and provide 100% protection from the sun's harmful UV rays. 聚碳酸酯（PC）是一种高韧性、无定型和透明热塑性聚合物，具有独特的综合性能，例如高冲击强度，尺寸稳定性，优良的力学性能，等等，它可以透过90%的光线，阻挡紫外光辐射，并能对于太阳有害的UV射线提供100%的保护。
Polycarbonate is used in a large variety of everyday applications: 聚碳酸酯用于许多日常应用之中： · Electrical and electronics (LED lights, Connectors, cell phones…) · 电子电器（LED灯，连接器，蜂窝电池…） · Automotive (Headlight bezels, door handles, radiator grills and inner lenses) · 汽车（前灯挡板，门把手，散热器格栅和内透镜） · Agriculture (Greenhouse covering materials) · 农业（温室罩盖材料） · Consumer goods (eyewear, appliances, food contact…) · 消费品（护目镜，电器，食品接触…） · Medical (surgical instruments, devices…) · 医疗（手术仪器，设备…） Transparent sheets made up of PC are up to 200 times stronger than its equivalent thickness in glass on impact tests and easy to cut. 由PC制造的透明片材比同等厚度的玻璃在冲击测试时强度高200倍，且易于切割。 PMMA or Acrylic PMMA或丙烯酸酯树脂 PMMA is a rigid, transparent thermoplastic material widely used as a “shatter-resistant” alternative to glass. Over other clear plastics (PC, PS), this polymer has several technical advantages such as: PMMA是一种刚性的透明的热塑性材料，广泛用作替代玻璃的耐破碎材料。相对于其它透明塑料中（PC，PS），这种聚合物具有几个优势：
· High resistance to UV light and weathering, · 高耐紫外线和耐候 · Upto 92% Light transmission & optical properties · 高达92%的光透过率和光学性质 · Unlimited coloring options · 无限的着色可能性 These benefits make PMMA sheets suitable for architecture and construction to build greenhouses, marine centers; car windows, light covers, lamps, electronic equipment display, designer furniture and many more. 这些优点使得PMMA片材适合于建筑和施工，比如建造温室，海洋中心；汽车窗户，遮光板，灯具，电子设备显示器，时兴家具，等等。 Polyethylene Terephthalate (PET) 聚对苯二甲酸乙二醇酯（PET） PET is a general-purpose, clear thermoplastic polymer known for its excellent combination of properties such as mechanical-, thermal-, chemical resistance as well as dimensional stability. PET may appear opaque, white and transparent depending on its crystalline and amorphous structure. PET是一种通用的透明热塑性聚合物，因其良好的综合性能而著名，例如力学耐受性，耐热性，耐化学性以及尺寸稳定性。PET可能表现为不透明、白色或者透明，这取决于其结晶和无定型结构。 The desirable properties of PET (clear, lightweight, high strength, stiffness high chemical resistance, barrier properties and low price) make it the material of choice for: PET令人满意的性质（透明，质轻，高强度，高刚，高耐化学性，阻隔性和廉价）使得它成为下列应用的首选材料： · Water bottles水瓶 · Carbonated soft drinks containers碳酸软饮料容器 · Fibers纤维 · Films薄膜
Due to low cost, better aesthetic appearance, and better handling, PET is being preferred over polycarbonate (PC). 由于其低成本，更好的外观和更好的加工方法，PET比聚碳酸酯（PC）更受偏爱。 Amorphous Copolyester (PETG) 无定型共聚酯（PETG） Copolyester forms when modifications are made to polyesters, which are combinations of diacids and diols. Amorphous copolyesters such as PETG offer versatility to meet a wide range of applications. Amorphous copolyester combines excellent clarity and toughness with outstanding heat and chemical resistance. 共聚酯是对包含二酸和二醇组成的聚酯做出改性的产物。无定型共聚酯，如PETG，具有多用性，能满足宽范围的应用。无定型共聚酯同时具有良好的透明性和韧性，并具有杰出的耐热性和耐化学性。 PETG can be a drop-in replacement for PC, PMMA, and PC/Polyester with minor or no modifications. PETG可以简易替代PC、PMMA和PC/聚酯，只需微小的改性或无需改性。 Polyvinyl Chloride (PVC) 聚氯乙烯（PVC） PVC is an amorphous thermoplastic with good transparency. Clear PVC sheets combine excellent mechanical properties and impact strength with water-clear clarity & excellent resistance to chemicals and fire resistance. PVC是一种无定型热塑性塑料，具有好的透明性。透明PVC片材，综合具有良好的力学性能和冲击强度，具有水一样清澈的透明性，以及良好的耐化学性和防火性能。
While, transparent PVC pipes are specifically formulated to block damaging UV light. These pipes are widely recommended for outdoor applications which are exposed to sunlight and where transparency is required. 特定配方的透明PVC管材可以阻挡UV光线的破坏。这些管材被广泛推荐于户外应用，此时管材会曝露于阳光，透明性会是一个要求。 Optical characteristics of clear PVC products range from high light transmission to high clarity, anti-glare surface to high impact strength and hence, making them suitable for external applications. Main application of transparent PVC sheets, tubes and clear films include: 透明PVC产品的光学特征包括从光线的高透过到高透明，从抗闪烁表面到高冲击强度，由此使得它们适合于外部应用。透明PVC片材、管材和透明薄膜的主要应用包括： · Construction – day lighting, safety glazing, greenhouses… · 建筑—采光，安全玻璃，温室… · Packaging – Blister Packs, cling films, clear wraps… · 包装—罩泡包装，保鲜膜，透明包装… · Medical – Bags, tubing, drips, connectors, valves… · 医疗—袋子，管子，点滴用品，连接器，阀… Liquid Silicone Rubber (LSR) 液体硅橡胶（LSR） Liquid silicone rubber is a low viscosity, transparent thermoset elastomer compound which offers: 液体硅橡胶是一种低粘度透明热固性弹性体共混物，具有： · Excellent Optical Clarity (94% transmission) · 良好的光学透明性（94%的透光率） · Durability (High temperature resistance up to 150°C) · 耐用性（耐高温直达150℃） · Excellent processability · 良好的可加工性 · Design Freedom · 设计自由度
It is a lightweight materials which has successfully replaced glass and other thermoplastics in various applications such as high power LED lighting, electronics, automotive lighting, consumer goods, healthcare and many others where high transparency, heat / UV-light resistance, and long-term durability are key requirements. 它是一种轻质材料，成功地取代了玻璃和其它热塑性塑料，用于各种应用，例如高功率LED照明，电子，汽车照明，消费品，保健和其它要求高透明、耐热/UV光和长期耐用性的场合。 Cyclic Olefin Copolymers 环烯烃共聚物 Cyclic Olefin Copolymer (COC) is an amorphous, transparent thermoplastic produced by chain copolymerization of cyclic monomers with ethane. It is a relatively new class of polymers as compared to commodities such as polypropylene and polyethylene and known for its excellent optical clarity, good mechanical properties and moisture barrier properties. 环烯烃共聚物（COC）是一种无定型透明热塑性塑料，由环状单体与乙烷经链式共聚而生产的。相比于聚丙烯和聚乙烯等通用塑料，环烯烃共聚物是一种相对新型的聚合物，以良好的光学透明性、好的力学性能和水分阻隔性而闻名。
· High stiffness and strength高刚性和高强度 · Excellent moisture and aroma barrier良好的水分阻隔性和香味阻隔性 · High transparency and gloss高透明高光泽 · Compliant for food and healthcare applications符合食品和保健应用要求 Outstanding optical properties of COC make it ideal for food packaging films, optical data discs, high precision lenses, optical films etc. Also, being resistant to moisture, solvents and sterilization, Cyclic Olefin Copolymer finds good use in medical and life science applications such as blister packs, medical trays etc. COC的优良的光学性能，使得它适合于制造食品包装，光学数据盘，高精度透镜，光学薄膜等。此外，由于耐水、耐溶剂和耐蒸煮，环烯烃共聚物在医疗和生命科学应用上也获得了好的应用，例如罩泡包装，医疗托盘等。 Polyethylene (PE) 聚乙烯（PE）
Polyethylene is a very durable thermoplastic widely used to produce films, tubes, plastic parts, laminates, etc. in several markets (packaging, automotive, electrical, etc.). It is the most produce plastic in the world and you use it almost daily in your life. 聚乙烯是一种很耐用的热塑性塑料，用于生产薄膜，管道，塑料部件，层合板，等等，应用于各种市场（包装，汽车，电器，等等）。它是世界上生产最多的塑料，几乎在日常生活中每一天都会用到。 LDPE is flexible, tough & has good transparency and is widely used in applications ranging from plastic bags, clear films, laboratory equipment etc. LDPE具有柔性和韧性，具有良好的透明性广泛应用于塑料袋，透明薄膜，实验室设备等。 Ionomer Resin 离子聚合物树脂 Ionomers is a polymer class which has ethylene as the major component, but which contains both covalent and ionic bonds and are known for its outstanding clarity, toughness, and light weight. Ionomer resins are widely used to produce luxury decorative effects, transparency and scratch resistance in cosmetics and perfume packaging. 离子聚合物是一类以乙烯作为主要组分的聚合物，但是，它们既含共价键也含有离子键，以杰出的透明性、韧性和轻质而闻名。离子聚合物树脂广泛用于产生豪华装饰效果、透明性和耐刮擦性，应用于化妆品和香水包装。
The transparent polymer provide design freedom to designers and manufacturers to produce new shapes and use colors for the inner and outer containers separately as well as develop new material combinations for improved barrier properties and chemical resistance. Food packaging, medical devices, golf ball covers, overmolded bottles etc. are among popular applications for ionomer resins. 透明聚合物为设计者和制造者提供设计自由度，为内外部容器创造新的形状和不同的颜色，以及开发新的材料组合，改进阻隔性能和耐化学性。食品包装，医疗设备，高尔夫球外壳，包胶瓶子，等等，都是离子聚合物的应用领域。 Transparent Polypropylene (PP) 透明聚丙烯（PP） Polypropylene is an excellent resin thanks to its good physical properties, cost-effectiveness and recyclability but due to its crystalline nature, it was difficult to obtain transparent PP sheets. But today, clear polypropylene (PP) has made significant progresses thanks to new efficient clarifying additives, also called clarifiers as these polymers provide design flexibility, easier processing ability, better colorability / decoration, and offer cost savings via light-weighting. 聚丙烯是一种优良的树脂，它具有好的物理性能，好的成本效益和可回收性。由于PP具有结晶性质，它难于获得透明PP片材。但是，如今，透明聚丙烯（PP）取得了巨大进步，由于有了新的有效的透明助剂，也称之为透明剂，这些聚合物因此可以提供设计灵活性、易于加工性、好的着色性/装饰性并通过轻量化而节省了成本。
Also, a combination of quick quenching and suitable heat treatment can improve the transparency of polypropylene extrusion sheets. Other benefits which make transparent PP a viable substitution for higher cost clear materials such as glass and clear plastics (PS, PC, PETG) include: 此外，综合采用快速退火和合适的热处理，可以改进聚丙烯挤出片材的透明性。还有一些别的好处使得PP成为可以取代较高价格的透明材料的宝贵替代品，如玻璃和透明塑料（PS、PC、PETG），包括 · Good stiffness / impact balance好的刚韧平衡性 · Good moisture / vapor barrier好的水分/蒸汽阻隔性 These performance advantages and its low density make transparent PP an ideal packaging material choice for: 这些性能优点和其低密度使得透明PP成为理想的首选包装材料而用于： 1. Food packaging and storage (Cups, Trays, bottles, jugs, jars…)食品包装盒贮藏（杯、碟、瓶、罐…） 2. Personal care products packaging个人护理产品包装 3. Storage boxes贮藏盒 Fluorinated Ethylene Propylene (FEP) 聚全氟乙丙烯 Fluorinated ethylene propylene (FEP) is chemically a copolymer of hexafluoropropylene and tetrafluoroethylene. This polymer transmits a high percentage of ultraviolet and visible light. The solar transmission of FEP in thin-film form is approximately 96%. FEP films transmit more UV, visible and infrared radiation than ordinary glass. Other benefits of FEP: 聚全氟乙丙烯（FEP）在化学组成上是一种六氟丙烯和四氟乙烯的共聚物。这种聚合物可以透过高比例的紫外光和可见光。FEP在薄膜形态下的太阳光透过率大约为96%。FEP薄膜比普通玻璃透过更多的UV光、可见光和红外辐射。FEP的其它优点有： · Most chemically inert in all plastics在所有塑料中具有最好地化学惰性 · Outstanding weathering resistance杰出的耐候性 · Excellent optical characteristics良好的光学特性 Styrene Methyl Methacrylate (SMMA) 苯乙烯甲基丙酸甲酯共聚物（SMMA） SMMA or Styrene Methyl Methacrylate (SMMA) is a high clarity styrene-acrylic copolymer with superior glossy surface. It combines excellent processing advantages & cost-attractiveness of styrene polymers and high brilliance & transparency of polyacetal. Other benefits of SMMA are: SMMA是一种高透明苯乙烯-丙烯酸酯共聚物，具有卓越的光泽表面。它综合具有良好的加工优点和苯乙烯类聚合物的低成本吸引力，并具有POM般的高光泽和透明性。SMMA的其它优点包括： · Excellent thermal stability 良好的热稳定性 · Better alcohol resistance than acrylic比丙烯酸酯类树脂更好的耐乙醇性 · Better mechanical properties than GPPS比GPPS更好的力学性能 · Scratch resistant耐刮擦性 · FDA-complaint符合FDA要求
As compared to PMMA, PC, and PET, SMMA is cheaper and demonstrates similar surface quality. 相比于PMMA，PC和PET，SMMA更便宜并显示出与前述树脂类似的表面质量。 SMMA is suitable for applications demanding a strong, stiff, water clear such as household products, tumblers, glassware, cosmetic packaging, medical devices, personal hygiene products etc. SMMA适合于要求强度、刚性、水一样的透明性的应用，例如家具制品，平底玻璃杯，眼睛，化妆品包装，医疗设备，个人保健产品等。 Styrene Acrylonitrile Resin (SAN) 苯乙烯丙烯腈树脂（SAN） SAN, or Styrene-acrylonitrile resin, is a copolymer plastic made up of styrene and acrylonitrile monomers. It is a durable, break-resistant transparent plastic widely used to make kitchenware (glassware, tumblers…) thanks to its attractiveness and resistance to fats, oils and cleaning agent. Other applications of SAN include appliances, furniture, automotive parts etc. SAN是一种苯乙烯-丙烯腈共聚塑料。它是一种耐用、耐破裂的透明塑料，广泛用于制造厨具（玻璃器皿、搅拌平底杯…），因为引人入胜，耐脂肪、食用油和清洁剂。SAN的别的应用包括电器，家具，汽车部件等。
It combines the clarity and rigidity of polystyrene with the hardness, strength, and heat and solvent resistance of polyacrylonitrile. As compared to polystyrene, it has a higher glass transition temperature and better impact strength but it is more expensive and less transparency. 它综合具有聚苯乙烯的透明性和刚性，同时具有聚丙烯腈的硬度、强度和耐溶剂性。与聚苯乙烯相比，它具有更高的玻璃化转变温度和更好的冲击强度，但是它更贵，透明性也差一些。 Polystyrene (General Purpose – GPPS) 聚苯乙烯（通用型--GPPS） General Purpose Polystyrene (GPPS), also known as crystal-clear polystyrene, is a clear polymer which exhibits: 通用聚苯乙烯（GPPS），也成为水晶透明聚苯乙烯，是一个透明聚合物，表现为： · High stiffness高刚性 · Good dimensional stability好的尺寸稳定性 · Low specific gravity, and低比重，以及 · Excellent heat resistance良好的耐热性 · Good electrical insulation properties好的电绝缘性
Thanks to its amorphous nature, it offers several benefits over other polymers because of its clarity, low cost and ease of processing. Some of the applications of GPPS are toys, CD cases, hangers, vegetable boxes for refrigerators, showers enclosure panels, IT equipment, clear jewellery box, refrigerator shelves and drawers and plastic cups. It is also used for the manufacturing of disposable medical products such as test tubes, test kits housing, diagnostic products, Petri-dishes, etc. 由于其无定型性质，PS相对于其它聚合物具有一些优点，因为它透明，成本低，易于加工。GPPS的一些应用包括玩具，CD盒，衣架，冰箱蔬菜盒，淋浴屏，IT设备，透明首饰盒，冰箱搁板和抽屉，塑料杯。它还用于制造一次性医疗用品，例如试管，测试工具外壳，听诊器产品，皮氏培养皿等。 Few disadvantages of polystyrene include low resistance to cracking and scratching. PS的一些缺点包括低的耐开裂性和低的耐刮擦性。 MABS (Transparent ABS) MABS（透明ABS） ABS is an impact-resistant engineering thermoplastic made up of three monomers: acrylonitrile, butadiene and styrene. The styrene-acrylonitrile copolymer provides stiffness while butadiene provides impact resistance. ABS是一种抗冲击工程塑料，由三种单体构成：丙烯腈、丁二烯和苯乙烯。苯乙烯-丙烯腈共聚物提供刚性，而丁二烯提供耐冲击性。 Manufacturers incorporated methyl methacrylate monomer into the SAN phase leading to highly transparent ABS resin called as MABS (Methyl Methacrylate Acrylonitrile Butadiene Styrene). Properties offered by MABS are: 制造商加入甲基丙烯酸甲酯单体到SAN相中，产生高透明ABS树脂，称之为MABS。由MABS提供的性质为：
· High light transmittance高的透光性 · Low haze低雾度 · Consistent and stable color均匀而稳定的着色 · Improved flow characteristics改进的流动性 Transparent ABS can outperform polystyrene, SAN and PMMA for impact resistance and offers good processability. MABS grades with improved flow characteristics can be used as an interesting alternative to polycarbonate (PC). Clear ABS is used in consumer appliances, medical applications, sports goods, medical devices and more. 透明ABS胜过聚苯乙烯、SAN和PMMA，因为它耐冲击并具有好的加工性。具有改进的流动性特征的MABS牌号，可以用于替代PC，这令人关注。 Optical Properties of Transparent Polymers 透明聚合物的光学性质
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