Collaborative Research: Plasma Polymerization of Acetylene

这项工作的目标是将乙炔等离子体的组成与用于沉积等离子体聚合乙炔薄膜的加工变量联系起来。然后研究这些薄膜作为橡胶与金属粘合的粘合剂。等离子体成分也与薄膜的附着力、附着力耐久性和缓蚀性有关。等离子体聚合乙炔薄膜在微波反应器中用氩气或其他惰性气体作为载气沉积在钢衬底上。薄膜的组成和形态是通过外部变量控制的，如功率、压力、单体流速和基片的射频偏置。等离子体成分由残余气体分析（RGA）、光学发射光谱（OES）和飞行时间质谱（TOFMS）确定。利用反射-吸收红外光谱（RAIR）、x射线光电子能谱（XPS）、变角光谱椭偏仪（花瓶）和原子力显微镜（AFM）对薄膜进行了表征。薄膜性能是通过电化学阻抗谱（EIS）、断裂力学测试和工业测试方法来确定的。这项合作涉及代顿大学（等离子体表征）、辛辛那提大学（等离子体聚合和薄膜表征）、固特异轮胎橡胶公司（薄膜特性）和墨西哥国立自治大学（缓蚀）。

The goal of this effort is to relate the composition of acetylene plasmas to processing variables used in depositing plasma-polymerized acetylene films. These films are then investigated as adhesives for rubber-to-metal bonding. Plasma composition is also correlated with such film properties as adhesion, durability of adhesion, and corrosion inhibition. Plasma-polymerized acetylene films are deposited onto steel substrates in a microwave reactor using argon or other inert gases as carrier gases. The composition and morphology of the films are controlled through external variables such as power, pressure, monomer flow rate, and RF bias of the substrate. Plasma composition is determined by residual gas analysis (RGA), optical emission spectroscopy (OES), and time-of-flight mass spectroscopy (TOFMS). Films are characterized using reflection-absorption infrared spectroscopy (RAIR), X-ray photoelectron spectroscopy (XPS), variable-angle spectroscopic ellipsometry (VASE), and atomic force microscopy (AFM). Film properties are determined with electrochemical impedance spectroscopy (EIS), fracture mechanics tests, and industrial test methods.This is a collaboration involving the University of Dayton (plasma characterization), the University of Cincinnati (plasma polymerization and film characterization), the Goodyear Tire and Rubber Company (film properties), and the Autonomous National University of Mexico (corrosion inhibition).