Thermoplastic moulding compound of cellulose esters and...

Details Thermoplastic moulding compound of cellulose esters and... Thermoplastic moulding compound of cellulose esters and...

C - Chemistry, Metallurgy

08

L

400/1350

C08L 1/10 (2006.01) C08J 3/18 (2006.01) C08L 31/02 (2006.01) C08L 31/04 (2006.01)

Patent

CA 1071786

ABSTRACT OF THE DISCLOSURE It is known that cellulose esters are difficult to use in thermo- plastic moulding applications as a result of their tendency to thermally degrade. The present invention seeks to overcome this drawback by providing thermoplastic moulding compounds consisting essentially of 1) at least one cellulose ester of an aliphatic carboxylic acid, 2) an ethylene/vinyl ester copolymer containing 30 to 98 percent by weight of vinyl esters and 3) optionally a low molecular weight plasticiser. Such compounds may be used in moulding transparent cellulosic articles. Additionally, such compositions result in products which have superior physical and mechanical properties over those of the prior art.

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