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Title

Nonmigrating Equivalent Substitutes for PVC/DOP Formulations as Shown by a TG Study of PVC with Covalently Bound PEO–PPO Oligomers

AuthorsNavarro, Rodrigo; Gacal, Tülin; Ocakoglu, Melike; García, Carolina ; Elvira, Carlos ; Gallardo, Alberto; Reinecke, Helmut
KeywordsGlass transition temperature
Covalent binding
Mechanical properties
Plasticizer efficiency
PVC
Aliphatic polyethers
Issue Date2017
PublisherJohn Wiley & Sons
CitationMacromolecular Rapid Communications 38 (2017)
AbstractMonoamino functionalized ethylenoxide (EO)/propylenoxide oligomers (Jeffamine) are linked chemically to poly(vinyl chloride) (PVC) using trichlorotriazine chemistry in order to prepare nonmigrating internally plasticized materials. The dependence of the plasticizer efficiency on both the number of anchoring points to the chains and the PVC/plasticizer compatibility is investigated using oligomers of different molecular weight and hydrophilic–hydrophobic balance. Hydrophilic oligomers (containing predominantly EO) of molecular weights between 2000 and 5000 g mol exhibit excellent plasticizer efficiency, nearly identical to di-2-ethylhexylphthalate (DOP) in conventional PVC/DOP mixtures and may therefore be used as nonmigrating equivalents for DOP. (Figure presented.).
Publisher version (URL)http://dx.doi.org/10.1002/marc.201600734
URIhttp://hdl.handle.net/10261/150503
DOI10.1002/marc.201600734
Identifiersdoi: 10.1002/marc.201600734
issn: 1022-1336
e-issn: 1521-3927
Appears in Collections:(ICTP) Artículos
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