Patent ID: 9289012
Filing Date: 2016-03-22
CPC Classification: A24D

Claim Text:
1. A fibrous tow adapted for use in a smoking article comprising a plurality of filaments of a degradable polyester and a plasticizer composition applied thereto, the plasticizer composition and the degradable polyester having a Relative Energy Difference calculated using Hansen Solubility Parameters of less than about 0.8; wherein the plasticizer composition comprises a plasticizer selected from the group consisting of dimethylisosorbide, propylene carbonate, methylbenzyl alcohol, glycerol carbonate acetate, glycerol carbonate ethyl ether, tetrahydrofuran, toluene, butyl acetate, ethanol, aliphatic dibasic esters, and mixtures thereof; and wherein the plasticizer composition further comprises at least about 0.10 volume fraction of triacetin.