Modification of mechanical properties of oriented polypropylene by ozone oxidation

Autor:	A. A. Popov, N.N. Komova, Ye.S. Popova, A.V. Russak, G.Ye. Zaikov
Rok vydání:	1988
Předmět:	Polypropylene chemistry.chemical_classification Materials science Ozone Advanced stage General Engineering chemistry.chemical_element Polymer Oxygen law.invention chemistry.chemical_compound chemistry Chemical engineering law Polymer chemistry Crystallization Macromolecule
Zdroj:	Polymer Science U.S.S.R.. 30:177-182
ISSN:	0032-3950
DOI:	10.1016/0032-3950(88)90272-9
Popis:	The variation of mechanical, structural and dynamic parameters and MD of oriented PP were examined during ozone oxidation. It is assumed that the improvement of mechanical properties at the initial stage of oxidation is due to the crystallization of macromolecules which undergo further structure-formation after termination. Intensification of molecular interaction as a consequence of the biuld-up of functional groups containing oxygen has a certain effect on the improvement of mechanical properties. At more advanced stages of oxidation factors promoting the reinforcement of the polymer are overlapped by macromolecular terminations, which reduce mechanical parameters.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::38f5b475703558e30c7d3829a398bf97 https://doi.org/10.1016/0032-3950(88)90272-9 Zobrazit plný text záznamu