초록 ▼

A four layer shrink film comprising an ethylene-propylene random copolymer as a meat contact first layer, a blend of anhydride-modified ethylene copolymer adhesive and EVA as an inner core second layer, a blend of EVOH and amide polymer as a barrier third layer, and a blend of anhydride- modified et

A four layer shrink film comprising an ethylene-propylene random copolymer as a meat contact first layer, a blend of anhydride-modified ethylene copolymer adhesive and EVA as an inner core second layer, a blend of EVOH and amide polymer as a barrier third layer, and a blend of anhydride- modified ethylene copolymer adhesive and EVA as an abuse fourth layer.

대표청구항 ▼

A four layer shrink film comprising: (a) a first or meat contact layer comprising an ethylene-propylene random copolymer; (b) a second or inner core layer directly adhered to one side of said first layer comprising a blend of between about 20 and 60 wt. % anhydride-modified ethylene copolymer adhesi

A four layer shrink film comprising: (a) a first or meat contact layer comprising an ethylene-propylene random copolymer; (b) a second or inner core layer directly adhered to one side of said first layer comprising a blend of between about 20 and 60 wt. % anhydride-modified ethylene copolymer adhesive having a Vicat softening point of at least about 90°C. and between about 40 and 80 wt. % ethylene vinyl acetate containing between about 4 and 15 wt. % vinyl acetate, said blend having a melt index up to and including about 0.9; (c) a third or barrier layer directly adhered to the opposite side of said second layer from said first layer and comprising a blend of between about 60 and 90 wt. % hydrolyzed ethylene vinyl acetate copolymer (EVOH) containing between about 32 and 52 wt. % ethylene, and between about 10 and 40 wt. % amide polymer having a melting point within about 25°C. of the EVOH melting point; and (d) a fourth or abuse layer directly adhered to the opposite side of said third layer from said second layer comprising a blend of between about 10 to 40 wt. % anhydride-modified ethylene copolymer adhesive having a Vicat softening point of at least about 90°C. and between about 60 and 90 wt. % ethylene vinyl acetate containing between about 4 and 15 wt. % vinyl acetate, said blend having a melt index up to and including about 0.9.