EN ISO 3146:2022
塑料.用毛细管和偏振显微镜法测定半晶状聚合物的熔化性能(熔化温度或熔化区域)

Plastics - Determination of melting behaviour (melting temperature or melting range) of semi-crystalline polymers by capillary tube and polarizing-microscope methods (ISO 3146:2022)

作废

EN ISO 3146:2022 发布历史

This document specifies two methods for evaluating the melting behaviour of semi-crystalline polymers. a) Method A: Capillary tube This method is based on the changes in shape of the polymer. It is applicable to all semi-crystalline polymers and their compounds. NOTE 1 Method A can also be useful for the evaluation of the softening of non-crystalline solids. b) Method B: Polarizing microscope This method is based on changes in the optical properties of the polymer. It is applicable to polymers containing a birefringent crystalline phase. It might not be suitable for plastics compounds containing pigments and/or other additives which can interfere with the birefringence of the polymeric crystalline zone. NOTE 2 Another method applicable to semi-crystalline polymers is described in ISO 11357‑3.

EN ISO 3146:2022由欧洲标准化委员会 IX-CEN 发布于 2022-03-30，并于 2022-06-30 实施，于 2022-09-30 废止。

EN ISO 3146:2022在国际标准分类中归属于: 83.080.01 塑料综合。

EN ISO 3146:2022的历代版本如下：

• 2022年 EN ISO 3146:2022 塑料.用毛细管和偏振显微镜法测定半晶状聚合物的熔化性能(熔化温度或熔化区域)
• 2000年 EN ISO 3146:2000 塑料.用毛细管和偏振显微镜法测定半晶状聚合物的熔化性能(熔化温度或熔化区域) ISO 3146-2000;合并勘误表-2002年12月
• 1997年 EN ISO 3146:1997 塑料.用毛细管和偏振显微镜法测定半晶状聚合物的熔化性能(熔化温度或熔化区域)

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标准号

EN ISO 3146:2022

发布

2022年

发布单位

欧洲标准化委员会

当前最新

EN ISO 3146:2022

 

 

适用范围

This document specifies two methods for evaluating the melting behaviour of semi-crystalline polymers. a) Method A: Capillary tube This method is based on the changes in shape of the polymer. It is applicable to all semi-crystalline polymers and their compounds. NOTE 1 Method A can also be useful for the evaluation of the softening of non-crystalline solids. b) Method B: Polarizing microscope This method is based on changes in the optical properties of the polymer. It is applicable to polymers containing a birefringent crystalline phase. It might not be suitable for plastics compounds containing pigments and/or other additives which can interfere with the birefringence of the polymeric crystalline zone. NOTE 2 Another method applicable to semi-crystalline polymers is described in ISO 11357‑3.

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