As the latter copolymer, either a copolymer made up of at least 60 mol % of {HEAD ~ 2 ethylhexyl acrylate} and the balance of methacrylic ester or a copolymer of {TAIL ~ 50 95 mol %} of 2 ethylhexyl acrylate, 5 40 mol % of vinyl acetate and 0 40 mol % of additional vinylic comonomer selected from acrylic acid and its esters and methacrylic acid and its esters is suitable 
As the latter copolymer , either a copolymer made up of at least 60 mol % of { HEAD ~ 2 ethylhexyl acrylate } and the balance of methacrylic ester or a copolymer of { TAIL ~ 50 95 mol % } of 2 ethylhexyl acrylate , 5 40 mol % of vinyl acetate and 0 40 mol % of additional vinylic comonomer selected from acrylic acid and its esters and methacrylic acid and its esters is suitable
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH