Binders for paints and varnishes - Alkyd resins - Part K2: Determination of phthalic anhydride content (ISO 6744-2:1999, IDT)
This part of ISO 6744 specifies a method for determining the phthalic anhydride content of alkyd resins.
It is only applicable to those alkyd resins which contain only orthophthalic acid as the polybasic acid. It is not
applicable to modified alkyd resins (see 3.2 of ISO 6744-1:1999) or to resins containing benzoic acid.
