SWENNEN IVES JEAN JENNY GHISLAIN,COEN KRIS LUC ROB
申请号:
US200913062317
公开号:
US2011197508(A1)
申请日:
2009.09.04
申请国别(地区):
美国
年份:
2011
代理人:
摘要:
A network layer is provided. The network layer (3) comprising at least one thermoplastic biodegradable substance, whereby the network layer (3) exhibits at least one coloured first material (1) in a first direction (4) and at least one coloured second material (2) in a second direction (5), whereby the coloured first material (1) and the coloured second (2) material are in contact with each other and whereby the colouration of the first material and the colouration of the second material is different, characterized in that the first material exhibits a first absorption coefficient and the second material exhibits a second absorption coefficient, being different from the first absorption coefficient.