Title Research on the influence of polyamide PA6 surface properties modification to wetting angle /
Translation of Title Poliamido PA6 paviršiaus savybių modifikavimo poveikio drėkinimo kampui tyrimai.
Authors Monikantan, Ram Pramod
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Pages 52
Keywords [eng] taber abrasive wear ; surface roughness ; plasma surface treatment ; chemical surface treatment ; surface wetting angle
Abstract [eng] The use of polyamides in consumer applications has increased in developed countries. Preferably, Polyamide PA6 is considered in a wide range of global surroundings and also utilized in different industries and relevant scientific fields that make it an important reason for greater production. Numerous applications of Polyamide PA6 lead to greater benefits because of the improved properties of strength, stiffness, and elasticity that has played a major role in decreasing the manufacturing cost. The improved properties are important to determine the effect of PA6 modified surface and the adhesion layer. The research was concentrated on the 1 mm thickness of boiled and non-boiled Polyamide PA6 modified by abrasion, plasma, and chemical treatment methods. The improved surface by different abraded disc rotations on the boiled and non-boiled Ra roughness is observed as 75% and 68% coefficient of determination (R2) and for Rz roughness, it is observed as 31% and 56% coefficient of determination (R2). The wetting angle of the surfaces for all samples was determined using water and ethylene glycol. For abrasion wetting, the coefficient of determination (R2) observed with water on the boiled surface is 63% and on the non-boiled surface is 35%. Likewise, with ethylene glycol on the boiled surface is 84% and on the non-boiled surface is 40%. The contact angle for plasma wetting with water on the boiled surface is 21.21° and on the non-boiled surface is 30.94°. Also, with ethylene glycol on the boiled surface is 11.95° and on the non-boiled surface is 11.38°. The water wetting contact angle for 3M KOH treated on the boiled and non-boiled surface is observed as 55.0° and 56.7° but with the ethylene glycol wetting contact angle for 3M KOH treated on the boiled surface is observed as 44.3° and 3M HCl treated on the non-boiled surface is observed as 32.9°.
Dissertation Institution Kauno technologijos universitetas.
Type Master thesis
Language English
Publication date 2020