A natureza das substâncias de referência na avaliação de massas molares de resinas PBLH por meio de cromatografia de exclusão por tamanho e osmometria de pressão de vapor The nature of standards in the evaluation of molar mass of PBLH resins by means of size exclusion chromatography and vapor pressure osmometry

Autor:	Marta Ferreira Koyama Takahashi, Mauro de Lima, Wagner Luiz Polito
Jazyk:	English<br />Spanish; Castilian<br />Portuguese
Rok vydání:	1997
Předmět:	hydroxyl-terminated polybutadiene molar mass determination calibration Chemistry QD1-999
Zdroj:	Química Nova, Vol 20, Iss 4, Pp 377-381 (1997)
Druh dokumentu:	article
ISSN:	0100-4042 1678-7064
DOI:	10.1590/S0100-40421997000400007
Popis:	The SEC and VPO behaviour of hydroxyl-terminated polybutadiene resins was investigated using toluene as solvent and polybutadiene and polystyrene as standards. The results show that molar mass obtained depend on the nature of the standards used in the calibration, specialy in SEC analysis.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/be6595337f1f41069a9a087e35f01225 Zobrazit plný text záznamu View record in DOAJ