ATOMIC-FORCE MICROSCOPY OF POLYETHYLENE AND POLY-(D-LACTIDE) SINGLE-CRYSTALS

被引：12

作者：

CRAMER, K

WAWKUSCHEWSKI, A

DOMB, A

CANTOW, HJ

MAGONOV, SN

机构：

[1] UNIV FREIBURG,INST MAKROMOLEK CHEM,D-79104 FREIBURG,GERMANY

[2] HEBREW UNIV JERUSALEM,DEPT PHARM,JERUSALEM,ISRAEL

来源：

POLYMER BULLETIN | 1995年 / 35卷 / 04期

关键词：

D O I：

10.1007/BF00297612

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Single crystals of polyethylenes with different molecular weight and of poly(d-lactide) were examined with atomic force microscopy. Morphologies of single crystals and their aggregates formed by overlaying as well as multilayer crystals are shown. Elevated diagonals caused by sectorization were found on crystals of both polymers, The nanoscale images demonstrate a grain structure of the lamellar surfaces with lateral features in the 5-15 nm range and roughness of about 1 nm. Polyethylene and the polylactide crystals exhibit some additional directional surface structure. The results are discussed in terms of surface organization.

引用

页码：457 / 464

页数：8

共 16 条

[1]

BASSETT DC, 1981, PRINCIPLES POLYM MOR, P72

[2]

FISCHER EW, 1970, J POLYM SCI POL LETT, V8, P865

[3] OBSERVATIONS ON SINGLE CRYSTALS OF AN ISOTACTIC POLYOLEFIN - MORPHOLOGY AND CHAIN PACKING IN POLY-4-METHYL-PENTENE-1 [J].