About the authors
| First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address. | Chutaev Bulat Rustemovich post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Nizamov Rashit Kurbangalievich doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Abdrakhmanova Lyaylya Abdullovna doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1 |
| Title of the article | Modification of PVC with organosilicates |
| Abstract. | Problem statement. The purpose of the study is to identify the effective organosilicates of various chemical nature on the technological and operational properties of polyvinyl chloride compositions. The specificity of PVC, which is characterized by high melt viscosity and low thermal stability, considers difficulties of combining it with organosilicates, therefore, the choice of the most effective of them is one of crucial tasks. Results. The effectiveness of the use of PVC-composites of the main industrial manufactured organic silicates Cloisite with the use of quaternary ammonium salts with different length and nature of alkyl chains and other functional groups is considered. It was determined that when using Cloisite 30B organoclay as a nanoscale additive, at a concentration of 0,6 phr. in PVC compositions, an increase in the strength of PVC-compositions by 23 %, a melt flow index by 1,5 times, is observed. Conclusions. It is shown that natural montmorillonite modified by quaternary ammonium salt Cloisite 30B, along with non-hydrogenated tall oil residues, has the greatest effect on the complex of positive effect on the properties of PVC. Possible mechanisms of stabilization and hardening are proposed, which is the result of chemical transformations of functional groups of tall oil in the PVC-composition matrix. |
| Keywords. | polyvinyl chloride, orgsnosilicate, polymer nanocomposite. |
| For citations: | Chutaev B.R., Nizamov R.K., Abdrakhmanova L.A. // Izvestiya KGASU. 2019. №2(48) P.1--1. |
