Continuous edge protected barrier assemblies

Patent metadata

Field	Value
Publication number	US-2015114457-A1
Application number	US-201214381761-A
Country	US
Kind code	A1
Filing date	Aug 1, 2012
Priority date	Mar 1, 2012
Publication date	Apr 30, 2015
Grant date	—

Abstract

This disclosure generally relates to films capable of use in a flexible photovoltaic solar module, rolls of films capable of use in a flexible photovoltaic solar module, processes of making the films and rolls of films, to flexible photovoltaic solar modules including such films, and to methods of making flexible solar modules. One exemplary process involves providing at least two discrete segments of a multilayer barrier film and placing a segment of protective layer adjacent to two of the adjacent discrete segments of multilayer barrier film such that the first and second terminal edges of the segment of protective layer span the gap between the discrete segments of barrier film to form a continuous film.

First claim

What is claimed is:

1 . A method of forming a continuous multilayer film, comprising:
providing discrete segments of multilayer barrier film, wherein adjacent discrete segments of multilayer barrier film are separated by a gap; and placing a protective layer adjacent to two adjacent discrete segments of multilayer barrier film such that at least a portion of the protective layer spans the gap to form a continuous film capable of use as a barrier film, wherein the multilayer barrier film has a water vapor transmission rate of less than about 0.05 g/m2/day at 38° C. and 100% relative humidity, wherein the multilayer barrier film is transmissive to visible and infrared light, and wherein the protective layer is opaque.

2 . (canceled)

3 . The method of claim 1 , wherein the protective layer includes a protective sheet and an adhesive; and wherein the protective sheet is adjacent to the discrete segments of the multilayer barrier film.

4 . The method of claim 1 , further comprising: placing a weatherable sheet adjacent to the multilayer barrier film.

5 . The method of claim 1 , wherein the weatherable sheet includes a fluoropolymer.

6 . (canceled)

7 . The method of claim 1 , further comprising: placing a pressure sensitive adhesive on the multilayer barrier film.

8 . (canceled)

9 . The method of claim 7 , wherein the pressure sensitive adhesive comprises at least one of a UV stabilizer, a hindered amine light stabilizer, an antioxidant, and a thermal stabilizer.

10 . The method of claim 1 , wherein each discrete segment of multilayer barrier film has a first side edge and a second side edge, and wherein the method further comprises:
placing a protective layer adjacent to at least one of the first and second side edges of the discrete segments of multilayer barrier film to form a continuously edge protected barrier film wherein all edges of the discrete segments of multilayer barrier film are insulated from the environment.

11 . The method of claim 1 , wherein the multilayer barrier film has a first major surface and a second major surface and the protective layer is adjacent to the first major surface, further comprising:
placing a substrate adjacent to the second major surface of the multilayer barrier film.

12 . The method of claim 11 , wherein the substrate comprises at least one of polyethylene terephthalate, polyethylene naphthalate, polyetheretherketone, polyaryletherketone, polyacrylate, polyetherimide, polyarylsulfone, polyethersulfone, polyamideimide, or polyimide.

13 . The method of claim 1 , wherein the multilayer barrier film has a first major surface and a second major surface and the protective layer is adjacent to the first major surface, further comprising:
placing an electronic device adjacent to the second major surface of the multilayer barrier film.

14 . (canceled)

15 . (canceled)

16 . (canceled)

17 . (canceled)

18 . (canceled)

19 . (canceled)

20 . (canceled)

21 . A continuous multilayer film, comprising:
a weatherable sheet; segments of a multilayer barrier film; and a protective layer overlapping at least a portion of at least two adjacent segments of the multilayer barrier film; wherein the continuous multilayer film is capable of use as a barrier film in an electronic device wherein the multilayer barrier film has a water vapor transmission rate of less than about 0.05 g/m2/day at 38° C. and 100% relative humidity, wherein the multilayer barrier film is transmissive to visible and infrared light, and wherein the protective layer is opaque.

22 . (canceled)

23 . The film of claim 21 , wherein the protective layer includes a protective sheet and an adhesive; and wherein the protective sheet is adjacent to the discrete segments of the multilayer barrier film.

24 . (canceled)

25 . The film of claim 21 , wherein the weatherable sheet includes a fluoropolymer.

26 . (canceled)

27 . The film of claim 21 , further comprising: a pressure sensitive adhesive between the multilayer barrier film and the weatherable sheet.

28 . (canceled)

29 . The film of claim 27 , wherein the pressure sensitive adhesive comprises at least one of a UV stabilizer, a hindered amine light stabilizer, an antioxidant, and a thermal stabilizer.

30 . The film of claim 21 , wherein each segment of multilayer barrier film has a first side edge and a second side edge, and wherein the continuous multilayer film further comprises:
a protective layer adjacent to at least one of the first and second side edges of the multilayer barrier film to form a continuously edge protected barrier film wherein all edges of the multilayer barrier film are insulated from the environment.

31 . The film of claim 21 , wherein the multilayer barrier film has a first major surface and a second major surface and the protective layer is adjacent to the first major surface, further comprising:
a substrate adjacent to the second major surface of the multilayer barrier film.

32 . The film of claim 31 , wherein the substrate comprises at least one of polyethylene terephthalate, polyethylene naphthalate, polyetheretherketone, polyaryletherketone, polyacrylate, polyetherimide, polyarylsulfone, polyethersulfone, polyamideimide, or polyimide.

33 . The film of claim 21 , wherein the multilayer barrier film has a first major surface and a second major surface and the protective layer is adjacent to the first major surface, further comprising:
an electronic device adjacent to the second major surface of the multilayer barrier film.

34 . (canceled)

35 . (canceled)

36 . (canceled)

37 . (canceled)

38 . (canceled)

39 . (canceled)

40 . (canceled)

41 . (canceled)

42 . The method of claim 1 , wherein the protective layer includes multiple segments each of which has a first terminal edge and a second terminal edge, and wherein the method further comprises:
placing a segment of protective layer adjacent to two adjacent discrete segments of multilayer barrier film such that the first and second terminal edges of the segment of protective layer span the gap to form a continuous film capable of use as a barrier film.

Assignees

• Weigel Mark D
• Delmore Michael D
• Brunner Dennis M
• Ruff Andrew T
• 3M Innovative Properties Co

Inventors

• Weigel Mark D
• Delmore Michael D
• Brunner Dennis M
• Ruff Andrew T

Classifications

• B32B2307/7265

  Non-permeable · CPC title

• B32B37/226

  Laminating sheets, panels or inserts between two continuous plastic layers · CPC title

• B32B2307/71

  Resistive to light or to UV · CPC title

• B32B27/288

  comprising polyketones · CPC title

• B32B2307/54

  Yield strength; Tensile strength · CPC title