Laminated nonwoven webs derived from polymers of lactic acid and process for producing
AssigneeFiberweb France
InventorsPhilippe Ehret, Philippe Guipouy, Kimmo Lahtenkorva
Life of this patent
Estimating the term…
Abstract
The present invention relates to a composite structure comprising one or more plies of nonwoven and one or more plies of film, these being manufactured from thermoplastics, wherein all the plies making up the structure, for example (12, 13, 14), are totally manufactured from a member of the group: a polymer derived from lactic acid, a copolymer of lactic acid, a blend of polymers derived from lactic acid. The invention also relates to a process for obtaining said composite structure.
Claims13
A composite structure comprising a ply of a nonwoven and one or more plies selected from the group consisting of nonwoven and film, wherein the plies consist of thermoplastic polymers derived only from lactic acid.
Dependencies are inferred from the claim text.