As the latter copolymer, either a copolymer made up of at least 60 mol % of 2 ethylhexyl acrylate and the balance of {HEAD ~ methacrylic ester} or a copolymer of 50 95 mol % of {TAIL ~ 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 2 ethylhexyl acrylate and the balance of { HEAD ~ methacrylic ester } or a copolymer of 50 95 mol % of { TAIL ~ 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
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