Preliminary Results on the Optical Contact Angle of Plastics
Disciplines
Analytical Chemistry | Environmental Chemistry | Materials Chemistry | Physical Chemistry | Polymer Chemistry
Abstract (300 words maximum)
The optical contact angle measurement determines the angle formed between the liquid-solid interface and the liquid-vapor interface as a drop of water is placed on a flat surface. These angles indicate the hydrophobicity/hydrophilicity of the surface. Surface changes due to oxidation will result in lower contact angles indicating increased hydrophilicity of the surface. Different plastics are expected to have different contact angles. Preliminary results will be presented showing the instrument used, the steps to acquire the contact angle and some initial results.
Academic department under which the project should be listed
CSM - Chemistry and Biochemistry
Primary Investigator (PI) Name
Marina Koether
Preliminary Results on the Optical Contact Angle of Plastics
The optical contact angle measurement determines the angle formed between the liquid-solid interface and the liquid-vapor interface as a drop of water is placed on a flat surface. These angles indicate the hydrophobicity/hydrophilicity of the surface. Surface changes due to oxidation will result in lower contact angles indicating increased hydrophilicity of the surface. Different plastics are expected to have different contact angles. Preliminary results will be presented showing the instrument used, the steps to acquire the contact angle and some initial results.