Citrate esters and methods

Details Citrate esters and methods Citrate esters and methods

C - Chemistry, Metallurgy

07

C

400/9394, 260/48

C07C 69/704 (2006.01) C08K 5/11 (2006.01)

Patent

CA 1264163

ABSTRACT OF THE DISCLOSURE Citrate esters are formed utilizing organic titanates as a catalyst allowing excess alcohol to be removed. Four citrate esters have been found which provide advantageous plasticizing properties to PVC compositions which include superior toxicity test results and superior soapy water extraction test results. The four citrate esters are. acetyltri-n-hexyl citrate, n-butyryltri-n-hexyl citrate, acetyltri-n-(hexyl/octyl/decyl) citrate, and acetyltri-n-(octyl/decyl) citrate. Articles formed from the PVC plasticized mixtures are extremely useful in the medical or health care field as they demonstrate a low order of toxicity.

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