DEGRADATION OF POLYMER BLENDS .4. NATURAL WEATHERING OF BLENDS OF LOW-DENSITY WITH LINEAR LOW-DENSITY POLYETHYLENE

被引：16

作者：

DARO, A ^{[1
]}

TROJAN, M ^{[1
]}

JACOBS, R ^{[1
]}

DAVID, C ^{[1
]}

机构：

[1] UCB,SIDAC,B-9000 GHENT,BELGIUM

来源：

EUROPEAN POLYMER JOURNAL | 1990年 / 26卷 / 01期

关键词：

D O I：

10.1016/0014-3057(90)90096-M

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The molecular weight distribution of low density polyethylene-linear low density polyethylene blends, photo-oxidized in natural weathering conditions, has been studied. The exposure conditions cover different periods of the year from May to December, and so a broad range of intensities, total incident energy and weather. A good correlation between the results corresponding to these different conditions has been obtained using the global incident energy and a simple model for its spectral distribution. Main chain scission is the main process but some crosslinking has also been detected. Preferential degradation of LLDPE could not be observed. © 1990.

引用

页码：47 / 52

页数：6

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