Improvement of dimensional stability in NBR-PVC based elastomeric rubber foam with thermal analysis method

The rubbers we encounter in almost every moment of our aily life are very important engineering materials from the industrial point of view. Polymers are used in all areas due to their low production costs, easy forming and suitable production. Medical applications, sports applications, building materials, automotive industry, textile, electronic goods and packaging products are some of the sectors where rubbers are used. Rubber production processes vary depending on the type of product to be produced, the properties expected from the end product. Generally, dough mixtures prepared according to a fixed recipe are formed by extrusion molding and then final product is obtained by vulcanization. The purpose of this study is to produce rubber foam. According to the production parameters of the company, the current conventional production process of chemicals used in detail is the thermal characterization. This characterization analysis is intended to improve the dimensional stability by interpreting them in terms of dimensional stability. In accordance with the standard recipe of the company, rubber pulp raw materials were prepared individually and various pulp mixtures consisting of these raw materials were prepared and subjected to temperature changes according to firm curing program in TGA (Thermogravimetric Analysis) device. Rubber foam samples with different ratios of blowing agent and blowing agent activator determined to be effective in cell formation were examined in Helium Pycnometry, and the percentage of closed cell was found to increase with the increase in the prescription of blowing agent and blowing agent activator. This characterization and analysis is intended to improve dimensional stability by interpreting them in terms of dimensional stability.