Crystallization and Morphology of Poly(ethylene 2,6‐naphthalene dicarboxylate) Containing Additives

• DOI: 10.1002/mame.200390030
• Publication Date: 2003-05-01T19:01:39Z
• Authors: Xia Gao; Ruigang Liu; Ying Yu; Manna Jin; Haishan Bu
• Keywords: Morphology; Crystal (programming language); Polarized light microscopy; Poly ethylene

Abstract The influence of nucleating agents (AClyn ® , Surlyn and sodium benzoate (SB)) alone together with promoter (Ceraflour 993 Ceraflour 991 poly(1,4‐butylene sebacate)) on the crystallization morphology poly(ethylene 2,6‐naphthalene dicarboxylate) (PEN) was investigated by means differential scanning calorimeter, polarized optical microscopy small angle light scattering. It revealed that AClyn, SB effectively accelerate nucleation PEN increasing ratio agent up to 1 wt.‐%. A combination leads further increase in rate at low temperature, but only a slight change high temperature. Hedrites were obtained pure addition produces crystals poor perfection upon temperature region. When below 210 °C, spherulites observed also samples PEN/Ceraflour PEN/SB smaller size. Crystal crystallized 240 °C for 40 min. magnified image