COMPOSITE FILM

• Main Author: BACHON, Thomas
• Format: Patent
• Language: English; French; German
• Published: 02.11.2022
• Subjects: BRAIDING; COTTON-WOOL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; KNITTING; LACE-MAKING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; NON-WOVEN FABRICS; PERFORMING OPERATIONS; SPINNING; TEXTILES; TRANSPORTING; TRIMMINGS; WADDING

The invention relates to a composite film (1), preferably provided for use in the construction industry and/or preferably for use as a construction film, having at least one functional layer (2), at least one outer protective layer (3) and at least one inner protective layer (4), the functional layer (2) being arranged between the outer protective layer (3) and the inner protective layer (4). According to the invention, the functional layer (2) is designed as an at least one-ply membrane layer, the outer protective layer (3) and the inner protective layer (4) are formed as a non-woven layer containing polyethylene terephthalate (PET), and the outer protective layer (3) and/or the inner protective layer (4) has at least one bi-component fibre (5) having a first component (6) and a second component (7), wherein the first component (6) has a first polymer as a constituent part and the second component (7) has a second polymer as a constituent part.