EP4573261A1 - Profilé espaceur comprenant une couche externe de polymère traité à l'acide, une feuille barrière composite, procédé de fabrication de tels espaceurs et utilisation de polymères traités à l'acide dans des profilés espaceurs pour unités de verre isolant - Google Patents

Profilé espaceur comprenant une couche externe de polymère traité à l'acide, une feuille barrière composite, procédé de fabrication de tels espaceurs et utilisation de polymères traités à l'acide dans des profilés espaceurs pour unités de verre isolant

Info

Publication number
EP4573261A1
EP4573261A1 EP23758611.0A EP23758611A EP4573261A1 EP 4573261 A1 EP4573261 A1 EP 4573261A1 EP 23758611 A EP23758611 A EP 23758611A EP 4573261 A1 EP4573261 A1 EP 4573261A1
Authority
EP
European Patent Office
Prior art keywords
spacer
foil
layer
polymeric material
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23758611.0A
Other languages
German (de)
English (en)
Inventor
Peter Pedersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolltech AS
Original Assignee
Rolltech AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolltech AS filed Critical Rolltech AS
Publication of EP4573261A1 publication Critical patent/EP4573261A1/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
    • E06B3/66319—Section members positioned at the edges of the glazing unit of tubular shape of rubber, plastics or similar materials
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66328—Section members positioned at the edges of the glazing unit of rubber, plastics or similar materials
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67339—Working the edges of already assembled units
    • E06B3/67343—Filling or covering the edges with synthetic hardenable substances
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B2003/6638—Section members positioned at the edges of the glazing unit with coatings

Definitions

  • spacer profiles are used to separate the panes.
  • the intervening space between the panes are filled with an inert gas e.g. argon. It is desired that the gas in the intervening space does not leak from the space while at the same time it is desired that oxygen, vapor, moisture or similar heat conducting gasses do not enter the intervening space, as it reduced the resistance to heat conduction.
  • an inert gas e.g. argon.
  • oxygen, vapor, moisture or similar heat conducting gasses do not enter the intervening space, as it reduced the resistance to heat conduction.
  • the spacer profiles and/or the sealing(s) around the spacer are the most leaky positions in the IGU.
  • the spacer profiles for the IGU are of various designs and with various outer surfaces.
  • the traditional spacer profiles which are a folded metal foil
  • the hybrid spacer profiles being made of a polymeric material with reinforcements of various kinds and flexible spacer profile being made of materials such as silicone.
  • the spacer profiles can have barrier foils, composite barriers with multiple layers of various materials and/or other barrier-improving features. This means that there is a great variety of the outer surface of the spacer profiles which needs to be able to form a tight sealing with the sealant and/or the panes.
  • IGU Industrial and secondary sealants or adhesives
  • sealants or adhesives are poly-isobutyl, polysulfides, hot melt secondary sealants, silicones, polyurethanes etc.
  • the polar polymeric material is a PET.
  • the acid-treated polymeric material is a Polyester foil with a minimum consistent surface tension of 45 dyne/cm, preferably a Polyester foil with a minimum consistent surface tension of 50 dyne/cm, more preferable a Polyester foil with a minimum consistent surface tension of 60 dyne/cm even more preferable a Polyester foil with a minimum consistent surface tension of 70 dyne/cm and most preferable a Polyester foil with a minimum consistent surface tension of 80 dyne/cm
  • the spacer body is made of a foamed silicone rubber or EPDM rubber.
  • the R a is at least 0.30 pm, more preferably at least 0.35 pm and even more preferred at least 0.40 pm and most preferred at least 0.7 pm.
  • both the outer wall outer surface and at least part of the side surfaces is covered with a foil having as its outermost layer a polymeric material having a roughness Ra of at least 0.25 pm more preferably at least 0.35 pm and even more preferred at least 0.40 pm and most preferred at least 0.7 pm
  • Suited R a of the polymeric material can be selected from R a of at least 0.25 pm, at least 0.30 pm, at least 0.35 pm, at least 0.40 pm, at least 0.45 pm, at least 0.50 pm, at least 0.55 pm, at least 0.60 pm, at least 0.65 pm, at least 0.70 pm, at least 0.75 pm, at least 0.80 pm, at least 0.85 pm, at least 0.90 pm, at least 0.95 pm, at least 1.0 pm, at least 1.1 pm, at least 1 .2 pm, at least 1.3 pm, at least 1.4 pm, at least 1.5 pm, at least 1 .6 pm, at least 1.7 pm and at least 2.0 pm.
  • the polymeric material is a polar polymeric material.
  • the foil is a multilayer diffusion barrier foil as described in the embodiments of the multilayer diffusion barrier foil.
  • the invention in another aspect of the invention, relates to a method of making spacer profiles compatible with multiple sealants, said method comprising the steps of: providing a spacer profile for use as part of a spacer profile frame, which is suitable for being mounted in and/or along an edged area of an insulating glazing unit so as to surround an intervening space between glazing panes, the spacer profile comprising a spacer body extending in a longitudinal direction (Z), said spacer profile comprising a spacer body having: o an inner surface facing towards the intervening space between glazing panes o an outer surface facing away from the intervening space between glazing panes o two side surfaces extending between the inner surface and the outer surface, said side surfaces being adapted to be connected to glazing planes so as to form the intervening space o optionally two connecting surfaces for connecting the side surfaces with the outer surfaces adding a foil having as its outermost layer an acid-treated polymeric material to the spacer body or adding a foil having as its outermost layer a polymeric material having a roughness Ra of at
  • the acid-treated polymeric material is a TCA- treated PET foil.
  • the acid-treated polymeric material is PET foil with a minimum surface tension of 45 dyne/cm, preferably a PET foil with a minimum surface tension of 50 dyne/cm or more preferable a PET foil with a minimum surface tension of 58 dyne/cm.
  • the acid-treated polymeric material is a TCA- treated Polyester foil.
  • the acid-treated polymeric material is a Polyester foil with a minimum consistent surface tension of 45 dyne/cm, preferably a Polyester foil with a minimum consistent surface tension of 50 dyne/cm, more preferable a Polyester foil with a minimum consistent surface tension of 60 dyne/cm even more preferable a Polyester foil with a minimum consistent surface tension of 70 dyne/cm and most preferable a Polyester foil with a minimum consistent surface tension of 80 dyne/cm.
  • the invention in another aspect, relates to a multilayer diffusion barrier foil for use in spacer profiles for insulating glass units, the multilayer diffusion barrier foil comprises: at least one support layer at least one organic or inorganic diffusion barrier layer an outer layer characterized in that the outer layer is an acid-treated polymeric material.
  • the invention relates to a multilayer diffusion barrier foil for use in spacer profiles for insulating glass units
  • the multilayer diffusion barrier foil comprises: at least one support layer at least one organic or inorganic diffusion barrier layer an outer layer characterized in that the outer layer has a roughness Ra of at least 0.25 pm, preferably at least 0.30 pm, more preferably at least 0.35 pm and even more preferred at least 0.40 pm and most preferred at least 0.7 pm.
  • a preferred organic diffusion barrier layer is polyvinyl alcohols and ethylene vinyl alcohols (EVOH).
  • Preferred inorganic diffusion barrier layers are metal layers or aluminium oxide layers or SiOx layers, where 1 ⁇ x ⁇ 2.
  • an even higher R a is preferred.
  • an R a of at least 1.0 pm is preferred, and more preferred is an R a of at least 1.3 pm and even more preferred of at least 1.50 pm.
  • Suited R a of the acid-treated polymeric material can be selected from R a of at least 0.25 pm, at least 0.30 pm, at least 0.35 pm, at least 0.40 pm, at least 0.45 pm, at least 0.50 pm, at least 0.55 pm, at least 0.60 pm, at least 0.65 pm, at least 0.70 pm, at least 0.75 pm, at least 0.80 pm, at least 0.85 pm, at least 0.90 pm, at least 0.95 pm, at least 1.0 pm, at least 1.1 pm, at least 1.2 pm, at least 1.3 pm, at least 1.4 pm, at least 1.5 pm, at least 1.6 pm, at least 1.7 pm and at least 2.0 pm.
  • inert gasses such as argon can be contained in the intervening space between the glass panes by one of the layers while another layer keeps moisture out of the intervening space.
  • a particularly suited multilayer diffusion barrier foil for use in spacer profiles for insulating glass units comprises: a first support layer a first organic or inorganic diffusion barrier layer provided on the first support layer optionally a first coating provided on the first inorganic diffusion barrier layer a first adhesive layer provided on the first inorganic layer or on the optionally first coating a second support layer provided on the first adhesive layer a second organic or inorganic diffusion barrier layer provided on the second support layer optionally a second coating provided on the second inorganic diffusion barrier layer characterized in that the multilayer diffusion barrier foil further comprises an outer layer of a polymeric material having a roughness R a of at least 0.25 pm on the outer side.
  • the above described multilayer diffusion barrier foil has and acid-treated polymeric material as the outer layer.
  • the roughness R a is at least 0.30 pm, more preferably at least 0.35 pm and even more preferred at least 0.40 pm.
  • At least one of the first or second diffusion barrier layers is a SiOx layer, where 1 ⁇ x ⁇ 2.
  • the polymeric material of the outer layer is a polar polymeric material.
  • the polar polymeric material is selected from the group consisting of polyethylene terephthalate (PET), Polyurethane, Polycarbonate (PC), Polymethyl methacrylate (PMMA), Polyvinyl acetate, acrylate elastomers, polyvinyl butyral, Poly styrene, polyvinyl alcohol and polychloroprene.
  • PET polyethylene terephthalate
  • PC Polycarbonate
  • PMMA Polymethyl methacrylate
  • Polyvinyl acetate Polyvinyl butyral
  • Poly styrene polyvinyl alcohol and polychloroprene.
  • the polymeric material of the outer layer has embedded silica flakes extending outwards from the surface.
  • the outer layer of the multilayer diffusion barrier foil is an acid-treated polymeric material.
  • the acid-treated polymeric material is a TCA-treated PET layer.
  • the acid-treated polymeric material is an acid - silica flakes treated PET layer. In a preferred embodiment, the acid-treated polymeric material is a TCA silica flakes treated PET layer.
  • silica flakes extending from the surface is an improved wettability and a consistent wettability.
  • the effect of the improved wettability is that the sealants have a better adherence to the surface.
  • the acid-treated polymeric material is a PET foil with a minimum surface tension of 45 dyne/cm, preferably a PET foil with a minimum surface tension of 50 dyne/cm or more preferable a PET foil with a minimum surface tension of 58 dyne/cm.
  • the multilayer diffusion barrier foil for use in spacer profiles for insulating glass units further comprises: a second adhesive layer provided on the second inorganic layer or on the optionally second coating a third support layer provided on the second adhesive layer a third inorganic diffusion barrier layer provided on the third support layer optionally a third coating provided on the third inorganic diffusion barrier layer.
  • the first, second and third inorganic layers can independent of each other be selected from the group consisting of metals, aluminium oxides and silicium oxides.
  • the silicium oxides have the formula SiOx, where 1 ⁇ x ⁇ 2
  • the aluminim oxides have the formula AlOy, where 0.5 ⁇ y ⁇ 1.5
  • the invention relates to the use of TCA-treated foils in the manufacturing of spacer profiles.
  • the invention relates to the use of TCA-treated PET foil as an outer layer on spacer bodies or spacer profiles.
  • the outer layer of a polymeric material of the multilayer barrier foil can be attached to the foil using known techniques such as welding or by use of an adhesive layer.
  • a layer that is suitable for all embodiments of the invention as the outermost layer is commercially available TCA-treated foils.
  • the surface tension can be measured by various methods.
  • the values referred to in this application is measured by a Force Tensionmeter
  • Roughness may be quantified using various measures e.g. by following ISO4288 (1996) procedure. Historically, the roughness average R a has often been used. R a is the arithmetic average of the absolute deviations measured from a common reference. Another measure is the root mean square of the roughness average RRMS. RRMS is the root mean square or standard deviation of the roughness average. From the calculation of RRMS, e.g. a single large deviation within the non-smooth surface will affect RRMS more than R a , since it weighs such deviations more heavily. In the present application, R a is used to characterise the surface roughness.
  • Fig. 1 is a schematic illustration of a spacer profile.
  • Figs. 2a-d are illustrations of the spacer profiles with various cross sections.
  • Figs. 3a-3c are illustrations of super spacer profiles with various cross sections.
  • Fig. 4 is an illustration of a multilayer diffusion barrier foil.
  • the surface has a minimum surface tension of 45 dyne/cm, preferably a minimum surface tension of 50 dyne/cm or more preferable a minimum surface tension of 58 dyne/cm.
  • Figure 6 shows the spacer profile of figure 2b additionally having a multilayer diffusion barrier foil 100.
  • the multilayer diffusion barrier foil 100 has as its outer layer a polymeric material.
  • the polymeric material can be a polar polymeric material, preferably selected from the group consisting of polyethylene terephthalate (PET), Polyurethane, Polycarbonate (PC), Polymethyl methacrylate (PMMA), Polyvinyl acetate, acrylate elastomers, polyvinyl butyral, Poly styrene, polyvinyl alcohol and polychloroprene.
  • the polar polymeric material further comprises embedded silica flakes extending from the outer surface 115 thereby increasing the roughness and surface area.
  • the roughness R a is at least 0.25 pm on the outer side, preferably the roughness R a is at least 0.30 pm, more preferably at least 0.35 pm and even more preferred at least 0.40 pm.
  • the surface has a minimum surface tension of 45 dyne/cm, preferably a minimum surface tension of 50 dyne/cm or more preferable a minimum surface tension of 58 dyne/cm.
  • Suitable outer layers 105 are TCA-treated PET layers with embedded silica flakes which are commercially available.
  • Figure 7 illustrates the principle of the adhesion test performed according to the norm EN 1279-6.
  • the samples must fulfil the criteria described in the norm, where both load and time is stated. Min. 0.30 MPa load for 10 minutes.
  • test equipment complying with the one illustrated in figure 7 is needed. This allows the application of different forces by a suitable set of weights. A tensile test machine may be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

L'invention concerne un profilé espaceur qui peut être de diverses conceptions et ayant une surface externe faite d'un matériau polymère ayant une rugosité Ra d'au moins 0,25 µm. L'invention concerne en outre des feuilles barrières de diffusion multicouches destinées à être utilisées dans des espaceurs ayant une couche externe, qui est un matériau polymère traité à l'acide, ou une couche externe faite d'un matériau polymère ayant une rugosité Ra d'au moins 0,25 µm.
EP23758611.0A 2022-08-18 2023-08-18 Profilé espaceur comprenant une couche externe de polymère traité à l'acide, une feuille barrière composite, procédé de fabrication de tels espaceurs et utilisation de polymères traités à l'acide dans des profilés espaceurs pour unités de verre isolant Pending EP4573261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22190955 2022-08-18
PCT/EP2023/072781 WO2024038179A1 (fr) 2022-08-18 2023-08-18 Profilé espaceur comprenant une couche externe de polymère traité à l'acide, une feuille barrière composite, procédé de fabrication de tels espaceurs et utilisation de polymères traités à l'acide dans des profilés espaceurs pour unités de verre isolant

Publications (1)

Publication Number Publication Date
EP4573261A1 true EP4573261A1 (fr) 2025-06-25

Family

ID=83004575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23758611.0A Pending EP4573261A1 (fr) 2022-08-18 2023-08-18 Profilé espaceur comprenant une couche externe de polymère traité à l'acide, une feuille barrière composite, procédé de fabrication de tels espaceurs et utilisation de polymères traités à l'acide dans des profilés espaceurs pour unités de verre isolant

Country Status (2)

Country Link
EP (1) EP4573261A1 (fr)
WO (1) WO2024038179A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012013491U1 (de) * 2012-01-13 2017-02-24 Saint-Gobain Glass France Abstandshalter für Isolierverglasungen
WO2016150705A1 (fr) * 2015-03-20 2016-09-29 Saint-Gobain Glass France Intercalaire pour vitrage isolant à étanchéité accrue
PL3440299T3 (pl) * 2016-04-05 2021-09-27 Saint-Gobain Glass France Szyba zespolona do mebla chłodniczego
EP3511507B1 (fr) 2018-01-11 2021-07-07 Prowerb AG Vitrage composite et procédé de fabrication d'un vitrage composite
FR3087471B1 (fr) 2018-10-23 2020-11-06 Saint Gobain Procede d’obtention d’un vitrage isolant
KR20210137559A (ko) * 2019-04-03 2021-11-17 쌩-고벵 글래스 프랑스 단열 글레이징용 스페이서
WO2021008951A1 (fr) * 2019-07-17 2021-01-21 Saint-Gobain Glass France Intercalaires pour unités de vitrage isolant
KR20220123099A (ko) * 2020-01-06 2022-09-05 쌩-고벵 글래스 프랑스 접착력이 향상된 스페이서(spacer)
CA3163025A1 (fr) 2020-01-28 2021-08-05 Erol-Ertugrul SACU Entretoise comprenant une couche adhesive interrompue

Also Published As

Publication number Publication date
WO2024038179A1 (fr) 2024-02-22

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