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PLASTICS | DIOCTYLPHTALATE (DOP)

Dioctylphtalate (DOP)

Description
Di(2-ethylhexyl) phthalate (DOP) is one of the most cost effective and widely available general purpose plasticisers. It is used mainly for making PVC soft and pliable and it accounts for around 15% of all plasticiser usage in Western Europe . DEHP (CAS No [117-81-7]) is also known as di-octyl phthalate (DOP). It is the phthalate ester of the alcohol 2-ethyl hexanol, which is normally manufactured by the dimerisation of butyraldehyde, the butyraldehyde itself being synthesised from propylene. DEHP is a plasticiser which offers a good all-round performance.

Applications
DOP offers a good all-round performance and is therefore used for a great many cost-effective, general purpose products including building material such as flooring, cables, profiles and roof membranes, as well as medical products such as blood bags and dialysis equipment. DEHP possesses reasonable plasticising efficiency, fusion rate and viscosity (of great importance for plastisol applications). The content of DOP in flexible polymer materials varies but is often around 30% (w/w). Production process: All manufacturers of phthalate esters use similar processes. DOP is produced by the esterfication of phthalic anhydride with 2-ethyl-hexanol.

Cas: 117-81-7

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