摘要
采用溶液混合法制备了聚 [(双 -甘氨酸乙酯 )膦腈 ]( PGP)与丙交酯均聚物 ( PLA)或丙交酯 /乙交酯共聚物 ( PLGA)的共混体系 ,利用示差扫描量热仪、傅里叶红外光谱仪和相差显微镜研究了两体系的共混相容性 .实验结果表明 ,PGP与 PLA不相容 ,但通过氢键相互作用可与 PLGA达到部分相容 ,且 PGP/PLGA的共混相容性随着
Poly[bis(glycine ethyl ester)phosphazene] was blended with poly( d,l lactide)(PLA) or poly( d,l lactide co glycolide)(PLGA) in various mass fraction ratios by using solvent mixing technique. The miscibility of these blends was studied by DSC, IR and contrast microscopy method. The results showed that PGP was completely incompatible with PLA, but partially compatible with PLGA due to the hydrogen bonding effect. Furthermore, the miscibility of PGP/PLGA was improved with the increase of PLGA content in the blend.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2002年第2期314-317,共4页
Chemical Journal of Chinese Universities
