Diallyl Phthalate


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diallyl phthalate

[dī′al·əl ′tha‚lāt]
(organic chemistry)
C6H4(COOCH2CH:CH2)2 A colorless, oily liquid with a boiling range of 158-165°C; used as a plasticizer and for polymerization. Abbreviated DAP.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Diallyl Phthalate

 

the diallyl ester of o-phthalic acid, C6H4(COOCH2CH=CH2)2; a colorless, oily liquid. Boiling point, 175°C (10 mm of mercury); density, 1,120 kg/m3(20°C); index of refraction nD25 1.490-1.493. It is virtually insoluble in water, gasoline, petroleum oils, glycerol, and glycols but is miscible with ethanol. Diallyl phthalate is made from allyl alcohol and phthalic anhydride in the presence of acid catalysts. It is used as a plasticizer for alkyl resins, chlorinated rubber, polyvinyl chloride, and polyvinyl acetate.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Diallyl terephthalate (DAT), an isomer of diallyl phthalate (DAP) monomer, is considered a promising engineering plastic material.
From the conversion versus time curves, no typical gel effect was observed, which may be a consequence of the degradative and the effective chain transfer reactions, which are characteristic for diallyl phthalate polymerizations (4).