SMALL-ANGLE NEUTRON-SCATTERING EVALUATION OF THE TEMPERATURE-DEPENDENCE OF ATACTIC POLYPROPYLENE AND POLY(1-BUTENE) CHAIN DIMENSIONS IN THE MELT

被引：46

作者：

ZIRKEL, A

URBAN, V

RICHTER, D

FETTERS, LJ

HUANG, JS

KAMPMANN, R

HADJICHRISTIDIS, N

机构：

[1] EXXON RES & ENGN CO, CORP RES LABS, ANNANDALE, NJ 08801 USA

[2] FORSCHUNGSZENTRUM JULICH, INST FESTKORPERFORSCH, W-5170 JULICH 1, GERMANY

[3] GESELL KERNENERGIEVERWERTUN G SCHIFFBAU & SCHIFFAH, FORSCHUNGSZENTRUM, W-2054 GEESTHACHT, GERMANY

[4] UNIV ATHENS, DEPT CHEM, GR-15771 ATHENS, GREECE

来源：

MACROMOLECULES | 1992年 / 25卷 / 23期

关键词：

D O I：

10.1021/ma00049a010

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Small-angle neutron scattering was used to measure the influence of temperature on the radius of gyration in the melt of atactic polypropylene and poly(1-butene). The chain dimension temperature coefficient, d In [R2]o/dT, was found to be respectively -0.1 x 10(-3) and 0.4 x 10(-3) deg-1. These values, with one exception, disagree with the rotational isomeric state predictions as well as with those values obtained via intrinsic viscosity measurements either at 0 conditions or in perceived athermal solvents. Conversely, excellent agreement was obtained with the values available from both thermoelastic and rheological measurements on atactic poly(1-butene).

引用

页码：6148 / 6155

页数：8

共 82 条

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