Cyclic olefin copolymer - Wikipedia
Cyclic olefin copolymer (COC) is an amorphous polymer made by several polymer manufacturers. COC is a relatively new class of polymers as compared to commodities such as polypropylene and polyethylene. This newer material is used in a wide variety of applications including packaging films, lenses, vials, displays, and medical devices.
环烯烃共聚物 - 百度百科
环烯烃共聚物（copolymers of cycloolefin，简称COC）是一种无定形 高分子聚合物。 主要作用. 环烯烃共聚物材料主要用于要求玻璃般清晰包括镜头、瓶、显示器和医疗设备的应用程序。 COC具有良好的 耐化学性。 挤压COC既可以挤压铸造和吹膜设备。 主要用于消费应用，包括食品和药品包装。 成型COC是主要用于注射成型。 TOPAS是宝理公司开发出来的环烯烃类共聚物（COC）的商品名，是具有环状烯烃结构的非晶性透明共聚高分子。 TOPAS 具有与 PMMA …
TOPAS® COC | Products | Polyplastics Global Website
TOPAS® COC (cyclic olefin copolymer) is a glass-clear and extremely pure plastic for healthcare, packaging, and electronics applications. From insulin delivery, to food contact films, to tablet and smartphone components, TOPAS COC is the high performance material of choice.
A Review of Cyclic Olefin Copolymer Applications in Microfluidics …
This review presents a full discussion on the properties of cyclic olefin copolymers (COC), the various fabrication processes, and numerous applications in microfluidic platforms. The review also cre...
Cyclo-Olefin Copolymer - an overview | ScienceDirect Topics
Cyclo olefin copolymers are amorphous, transparent copolymers of cyclo olefins and linear olefins. They exhibit a combination of high transparency, excellent impact resistance, and improved shatter resistance compared to glass, and superior moisture barrier properties.
copolymers based on cyclic olefins and linear olefins. Cyclic olefin copolymers are a new class of polymer-ic materials with property profiles which can be var-ied over a wide range during polymerization. These new materials exhibit a unique combination of properties of which can be customized by varying the chemical structure of the copolymer.
Cyclic Olefin Copolymer (COC) - Entec Polymers
Cyclic olefin copolymers (COC) are high performance, amorphous, transparent copolymers based on cyclic olefins and linear olefins. COC's exhibits a unique combination of properties which can be modified by varying the chemical structure of the copolymer.
(PDF) Cyclic olefin copolymers - ResearchGate
2001年3月1日 · Cyclic Olefin Copolymer (COC) based on norbornene and ethylene is known to be one of the most promising materials for the fabrication of low-cost miniaturized Point-of-care (PoC) devices.
Cyclic Olefin - an overview | ScienceDirect Topics
Cyclic olefin copolymer is a thermoplastic polymer of ethylene and cyclic olefin that can be synthesized over homogeneous metallocene catalyst by an addition polymerization mechanism without ring opening. The copolymer’s glass transition temperature (Tg) can be varied from about 20 to 260°C by varying the cyclic olefin comonomer content.
Medical Plastics 101: Cyclic Olefin Copolymer - Injection Molding …
2021年2月2日 · Cyclic olefin copolymer is finding increased utility as a performance enhancer in polyolefin-based film packaging. In polyolefin blends, COC offers a major performance upgrade, providing enhanced modulus, greater thermal resistance, and increased barrier for thermoformed articles such as trays, along with bags and pouches.
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