標(biāo)準(zhǔn)號：ISO 15038-1999
中文標(biāo)準(zhǔn)名稱：塑料 不飽和聚酯熱固性材料的有機(jī)聚酯交聯(lián)劑 活性氧含量的測定
英文標(biāo)準(zhǔn)名稱：Plastics - Organic-perester crosslinking agents for unsaturated-polyester thermosetting materials - Determination of active-oxygen content
標(biāo)準(zhǔn)類型：G31
發(fā)布日期：1999/12/31 12:00:00
實(shí)施日期：1999/12/31 12:00:00
中國標(biāo)準(zhǔn)分類號：G31
國際標(biāo)準(zhǔn)分類號：83.040.30
適用范圍：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 terf-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.