Pliable plastic film and container using the same
AssigneeOtsuka Pharmaceutical Factory, Inc.
InventorsIsamu Tateishi, Hitoshi Mori
Life of this patent
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Abstract
A pliable plastic film according to the present invention comprises a heat sealable sealing layer, wherein the sealing layer is made of a mixture of a propylene-α-olefin random copolymer having a crystalline melting point Tm of 135 to 145° C. and a polypropylene (PP) homopolymer having a crystalline melting point Tm of higher than 160° C.
Claims11
A pliable plastic film comprising a heat sealable sealing layer, wherein the sealing layer is made of a mixture of a propylene-α-olefin random copolymer having a crystalline melting point Tm of 135 to 145° C. and a polypropylene homopolymer having a crystalline melting point Tm of higher than 160° C.
A container formed by using a pliable plastic film comprising a heat sealable sealing layer, the sealing layer being made of a mixture of a propylene-α-olefin random copolymer having a crystalline melting point Tm of 135 to 145° C. and a polypropylene homopolymer having a crystalline melting point Tm of higher than 160° C.,
- the container being provided with a sealed portion formed by heat sealing peripheral portions of the pliable plastic films in the state where the sealing layers thereof face with each other.
Dependencies are inferred from the claim text.