Affiliation:
1. Rubber Research Institute of India, Kottayam-686 009, Kerala, India
2. Department of Chemical Engineering and Materials Science, Amrita Vishwa Vidyapeetham, Coimbatore-641105, Tamil Nadu, India
3. Cochin University of Science and Technology, Cochin-682 022, Kerala, India
Abstract
ABSTRACT
Response surface methodology was used for assessing the role of various compounding ingredients, including zinc oxide, antioxidant, coagent, oil, and filler, in peroxide vulcanization of natural rubber. A face-centered central composite design with four factors at three different levels was used to obtain the relationship between vulcanizate properties and the level of ingredients. The four factors selected were filler and oil ratio and the contents of zinc oxide, antioxidant, and coagent. The filler and oil ratio was kept constant throughout the experiment. The vulcanizates were evaluated for their mechanical properties: tensile strength, elongation, modulus (M100), tear strength, hardness, compression set (70 and 100 °C), and crosslink density. Regression equations were generated to model the properties of interest, and response surfaces and contour diagrams were plotted.
Subject
Materials Chemistry,Polymers and Plastics
Cited by
11 articles.
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