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EMBALLAGE SOUS FILM POUR DES PRODUITS BIOLOGIQUES ORAUX
专利权人:
IDT Biologika GmbH
发明人:
申请号:
EP12784568.3
公开号:
EP2775986A1
申请日:
2012.11.07
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
The sealable shaped body for packaging oral biologics such as oral vaccines, formed from a thermoformable, biodegradable film composite (1), is claimed, where the film composite comprises three layers. The layers are connected with a laminating adhesive layer (3). One of exterior layers is formed as a sealant layer (2). The other exterior layer consists of a non-woven fabric. A middle layer is a biodegradable barrier layer (4). The sealant layer, the barrier layer, the laminating adhesive layer and a layer made of non-woven fabric consist of a native biopolymer. The sealable shaped body for packaging oral biologics such as oral vaccines, formed from a thermoformable, biodegradable film composite (1), is claimed, where the film composite comprises three layers. The layers are connected with a laminating adhesive layer (3). One of exterior layers is formed as a sealant layer (2). The other exterior layer consists of a non-woven fabric. A middle layer is a biodegradable barrier layer (4). The sealant layer, the barrier layer, the laminating adhesive layer and a layer made of non-woven fabric consist of a native biopolymer, a bio-based polymer and/or a petroleum-based polymer. The laminating adhesive is a biodegradable polyurethane adhesive, and has a thickness of 3 mu m. The exterior layer made of non-woven material has a thickness of 0.3 mm. The barrier layer has a thickness of 20 mu m. The non-woven material consists of fleece, and has a fiber length of 4 cm. The barrier layer has a barrier effect against fluids, water, air, oxygen and carbon dioxide. The sealant layer has a thickness of 50 mu m. The film composite contains two barrier layers, and has a tensile strength of more than 50 Newton, a tear ability of more than 10 Newton, a bond strength of more than 1.7 Newton, a transmissivity of water vapor (greater than 0.30 g/m 2>;/24 hours) at 23[deg] C and 50% of relative humidity, a transmissivity of carbon dioxide (greater than 1.44 cm 3>;/m 2>;/24 hours) and
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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