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Bulk Modification of Poly(lactide) (PLA) via Copolymerization With Poly(propylene Glycol) Diglycidylether (PPGDGE)

Bulk Modification of Poly(lactide) (PLA) via Copolymerization With Poly(propylene Glycol) Diglycidylether (PPGDGE)

Sandra Castillejos, Jorge Cerna, Francisco Meléndez, María Eugenia Castro, Rocío Aguilar, César Márquez-Beltrán, Maykel González

Polymers (Basel). 2018 Oct 24;10(11):1184.

PMID: 30961109

Abstract:

Copolymers of l-lactide and poly(propylene glycol) diglycidyl ether (PPGDGE380) were synthesized by ring opening polymerization (ROP). Stannous octoate was used as the catalyst and 1-dodecanol as the initiator. The effect of the variables on the thermal properties of the copolymers was investigated by differential scanning calorimetry (DSC). Contact angle measurements were made in order to study the wettability of the synthesized copolymers. The copolymers differed widely in their physical characteristics, ranging from weak elastomers to tougher thermoplastics, according to the ratio of l-lactide and PPGDGE380. The results showed that the copolymers were more hydrophilic than neat Poly(lactide) (PLA) and the monomer ratio had a strong influence on the hydrophilic properties.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP25322694	Poly(propylene glycol)		25322-69-4	Price

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