BS ISO 15038:1999
塑料.不饱和聚酯热固化材料的有机聚酯交联剂.活性氧含量的测定

Plastics - Organic-perester crosslinking agents for unsaturated-polyester thermosetting materials - Determination of active-oxygen content

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标准号

BS ISO 15038:1999

发布

1999年

发布单位

英国标准学会

当前最新

BS ISO 15038:1999

 

 

适用范围

This International Standard specifies a method of determining the total active-oxygen content of organic peresters. It applies to those peresters used to initiate crosslinking of unsaturated-polyester thermosets. The peresters most widely used in the crosslinking of unsaturated-polyester resins are given in Table 1. Butyl peresters may contain traces of tert-butyl hydroperoxide (TBHP), the active oxygen in which can be determined separately from that in the perester itself (see annex A). The active-oxygen content of the perester alone can then be obtained by subtraction.

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