ISO 15038:1999

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

Best Price Guarantee English 1 Pages

Sub Total (1 Item(s)) $ 0.00
Estimated Shipping $ 0.00
Total (Pre-Tax) $ 0.00
View in Library
or
International Organization for Standardization Logo

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

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.

Table 1 - Main types of organic perester
PeresterMolecular mass
tert-Butyl perbenzoate194,2
tert-Butyl 2-ethylperhexanoate216,3
iso-Propyl tert-butylperoxy carbonate176,2
tert-Amyl 2-ethylperhexanoate230,3
tert-Amyl perbenzoate208,3
tert-Butyl 3,5,5-trimethylperhexanoate230,4

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.

Loading...

Failed to load document history.

Publish Date Document Id Type View