摘要:
A photo-degradable chewing gum base composition including an elastomer; and a block copolymer of vinyl acetate and methylphenylsilane having a structure of formula (I) wherein m and p are integers in the range of 1 to 500, and n is an integer in the range of 2 to 100, is disclosed. The block copolymer facilitates environmental degradation of improperly disposed chewing gum cuds. Also described is a method of preparing a photo-degradable chewing gum composition.