发明名称 |
MULTILAYER STRUCTURES, PACKAGES, AND METHODS OF MAKING MULTILAYER STRUCTURES |
摘要 |
There is disclosed herein a multilayer structure for packaging bone-in meat comprising: an outer layer comprising linear low density polyethylene; a first polyamide layer comprising a blend of about 90% by weight to about 99% by weight semi-crystalline polyamide and about 1% by weight to about 10% by weight amorphous polyamide; a first tie layer disposed between said outer layer and said first polyamide layer; a second tie layer disposed adjacent said first polyamide layer; a second polyamide layer disposed adjacent said second tie layer comprising a blend of about 90% by weight to about 99% by weight semi-crystalline polyamide and about 1% by weight to about 10% by weight amorphous polyamide; a sealant layer comprising linear low density polyethylene; and a third tie layer disposed between said sealant layer and said second polyamide layer; wherein the multilayer structure is biaxially oriented using a double bubble process whereby each layer of the multilayer structure is coextruded as a bubble, cooled, then reheated and oriented in both the longitudinal and transverse directions, and wherein the multilayer structure comprises a total orientation factor between about 8 and about 13. |
申请公布号 |
EP2679518(A1) |
申请公布日期 |
2014.01.01 |
申请号 |
EP20120180852 |
申请日期 |
2004.03.05 |
申请人 |
BEMIS COMPANY, INC. |
发明人 |
DOUGLAS, MICHAEL, J.;BUELOW, DUANE, H.;MUELLER, CHAD, D.;BLEMBERG, ROBERT, J.;CASTELLANI, ROBERTO, PASCUAL |
分类号 |
B65D81/34;A21D10/02;A21D13/00;A23B4/00;A23G1/00;A23L13/00;A23L13/50;B32B27/08;B32B27/32;B32B27/34;B65B;B65B1/00;B65D85/00;C12C1/027;C12C1/067;F16B4/00 |
主分类号 |
B65D81/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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