GB2319211A - Laminate for use as or in a solar insert, solar blind or window film - Google Patents

Laminate for use as or in a solar insert, solar blind or window film Download PDF

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Publication number
GB2319211A
GB2319211A GB9724005A GB9724005A GB2319211A GB 2319211 A GB2319211 A GB 2319211A GB 9724005 A GB9724005 A GB 9724005A GB 9724005 A GB9724005 A GB 9724005A GB 2319211 A GB2319211 A GB 2319211A
Authority
GB
United Kingdom
Prior art keywords
laminate
layer
laminate according
polypropylene
solar
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.)
Withdrawn
Application number
GB9724005A
Other versions
GB9724005D0 (en
Inventor
David John Anderson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9724005D0 publication Critical patent/GB9724005D0/en
Publication of GB2319211A publication Critical patent/GB2319211A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B32B17/10045—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet
    • B32B17/10055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets with at least one intermediate layer consisting of a glass sheet with at least one intermediate air space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2405/00—Adhesive articles, e.g. adhesive tapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

A laminate for use as a solar insert, solar blind or window film, is made up of two layers joined together by a light transmissive adhesive, one layer being metallised polypropylene film.

Description

LAMINATE The invention relates to the use of a laminate for use in a wide variety of applications involving heat absorption or insulation or both, e.g. as a solar insert.
Laminates of this type are known. They are used to manufacture clear view solar control blinds, and when modified by the addition of an adhesive, to bond against the glass, they can be used as solar films. Laminates of this type comprise of layers of transparent plastic film either metallised, tinted or clear which are bonded together using clear adhesive. The number of layers and the selected plastics will vary according to the circumstances.
One object of the invention is to improve the longwave or room temperature infra red reflection of these types of laminates and thereby to reduce the passage thereof via the surface of the laminate facing the interior of the room.
According to the invention in one aspect there is provided a substantially transparent laminate for use as or in solar inserts, solar blinds, window film or the like, comprising two layers of film at least one of which is polypropylene, a metallised layer being present on one side of the polypropylene film, the second layer facing the metallised layer, the two films being bonded together by a light transmissive adhesive.
Preferably the density of the metallised layer is selected so that the polypropylene film has a light transmissivity of about 2% to about 65%, most preferably 15%. The light transmissivity is measured in known way. The metallisation may cover all or only part of the film surface.
The polypropylene preferably is unplasticised, so that it may readily be metallised.
The second layer may be polypropylene or polyester.
The laminates may take a wide variety of forms. In one example the laminate is in sheet form to be positioned close to the inside or outside of a window as a blind. A layer of adhesive may be present on the outer face of the second layer film, so that the sheet may be adhered to a window.
In another aspect the invention provides a room having a window, covered by a laminate as defined and in sheet form, the laminate being arranged so that the second layer film faces the exterior and the polypropylene film the interior of the room.
The laminate may also be in tape form, preferably having a longitudinal fold so that the tape may be folded into generally L or U section.
In another aspect, the invention provides a conservatory roof or wall comprising a web of light transmissive plastics, the web having a plurality of parallel passageways, each containing a length of laminate tape in L or U section form.
In another aspect the laminate is suspended within, e.g. in the centre, of a double glazing unit.
In yet another aspect the laminate is bonded with adhesive to the inner or outer glass surface facing the cavity of a unit, and arranged so that the metallised layer faces into the cavity.
In order that the invention may be well understood it will now be described by way of example only with reference to the accompanying diagrammatic drawings in which: Figure 1 is an enlarged cross-sectional view of a laminate of the invention in sheet form; Figure 2 is a cross-sectional view of a laminate of the invention in tape form as a solar insert in a conservatory roof; and Figure 3 is a cross-sectional view of a laminate of the incorporated in a double glazed unit.
The laminate L comprises a basic structure of a layer 1 of polyester or polypropylene film, joined by a thin layer of a light transmissive adhesive layer 2, which is joined to a metallised layer 3 on to a layer of polypropylene sheet or film 4. The adhesive may be an acrylic; the metallised layer may be of any of the conventional metals such as aluminium. The degree of metallisation is low, so that the laminate as a whole has a light transmissivity of about 2% to about 65% as measured using a spectrometer. The polypropylene film is unplasticised. A laminate sheet of the invention can be supplied with an adhesive layer A and a release paper layer R. In use, the release paper may be removed and the laminate then adhered to glass, not shown.
A laminate of the invention can be used as a solar insert, a solar blind, window film or suspended film within a double or multiple glazing unit, or a film bonded to either panel of a double or multiple glazed unit facing the cavity. Because there no adhesive between the polypropylene and metal layer (which absorbs heat) a laminate of the invention substantially improves winter insulation and summer heat rejection.
Investigations have shown that a laminate of the invention can reflect up to 90% of room temperature infra red, which would normally be lost to the outside, back into the room. As a result the effectiveness as a heat insulating medium is substantially improved.
A laminate of the invention may be cut and rolled into a tape form T to be inserted in a box section B of a conservatory polycarbonate roof shown in Figure 2. The tape T has two longitudinal folds F and F2 so that the tape can be formed into a generally U cross-sectional shape and inserted into a box section from one end thereof, in the manner described and claimed in my patent application EP 94.91005.1 [Agent's ref: P01298PCT(EP)]. When so inserted the arms of the U section are in contact with opposite side walls of the box section, and the bight may or may not be in contact with the floor. The tape may also be bent into L form.
As shown in Figure 3, the laminate L may be suspended between the layers of a double or multiple glazing unit. Alternatively the laminate may be adhered to the inner surface of either glass layer, with the metallised layer facing inwards.
The invention is not limited to the embodiment shown. Either film may be replaced by a functional equivalent, for example the polyester or polypropylene may be replaced by polycarbonate, acrylic, PVC, and possibly polystyrene.

Claims (15)

1. A laminate for use as or in a solar inserts, solar blind, window film or the like, comprising two layers of film at least one of which is polypropylene, a metallised layer being present on one side of the polypropylene film, the second layer facing the metallised layer, the two layers being bonded together by a light transmissive adhesive.
2. A laminate according to Claim 1, wherein the second layer is polyester.
3. A laminate according to Claim 1, wherein the second layer is polypropylene.
4. A laminate according to Claim 3, wherein the polypropylene is unplasticised.
5. A laminate according to any preceding Claim, wherein the density of the metallised layer is selected so that the polypropylene film has a light transmissivity of from about 2% to about 65%.
6. A laminate according to any preceding Claim, in sheet form.
7. A laminate according to any preceding Claim, wherein a layer of adhesive is present on the outer face of the second layer, whereby the laminate may be adhered to a window.
8. A room having a window, covered by a laminate according to any preceding Claim, the laminate being arranged so that the second layer faces the exterior and the polypropylene film the interior of the room.
9. A laminate according to Claim 8, located adjacent the inside or outside of a window, in the form of a blind.
10. A laminate according to any of Claims 1 to 7, in tape form.
11. A conservatory roof or wall comprising a web of light transmissive plastics, the web having a plurality of parallel passageways, each containing a length of laminate according to Claim 10.
12. A wall according to Claim 11, wherein the tape includes two folds, whereby the tape may be formed into generally U section, is of generally U cross-sectional shape, and is received in a passageway of box section with the arms in contact with the opposite side walls of the box section and the bight of the U is in contact with the intervening wall of the box section.
13. A double or multiple glazed unit having a cavity between the inner and outer glazed units, and incorporating a laminate according to any of Claims 1 to 7.
14. A unit according to Claim 13 in which the laminate is suspended between the layers of glass.
15. A unit according to Claim 13 where the laminate is adhered to the surface of a glass so as to face into the cavity of the unit.
GB9724005A 1996-11-13 1997-11-13 Laminate for use as or in a solar insert, solar blind or window film Withdrawn GB2319211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9623638.5A GB9623638D0 (en) 1996-11-13 1996-11-13 Laminate

Publications (2)

Publication Number Publication Date
GB9724005D0 GB9724005D0 (en) 1998-01-14
GB2319211A true GB2319211A (en) 1998-05-20

Family

ID=10802894

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB9623638.5A Pending GB9623638D0 (en) 1996-11-13 1996-11-13 Laminate
GB9724005A Withdrawn GB2319211A (en) 1996-11-13 1997-11-13 Laminate for use as or in a solar insert, solar blind or window film
GBGB0111205.1A Ceased GB0111205D0 (en) 1996-11-13 2001-05-08 Radiant heat reflective laminate

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9623638.5A Pending GB9623638D0 (en) 1996-11-13 1996-11-13 Laminate

Family Applications After (1)

Application Number Title Priority Date Filing Date
GBGB0111205.1A Ceased GB0111205D0 (en) 1996-11-13 2001-05-08 Radiant heat reflective laminate

Country Status (1)

Country Link
GB (3) GB9623638D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331269A (en) * 1997-11-13 1999-05-19 David John Anderson Window film

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949134A (en) * 1973-07-18 1976-04-06 Material Distributors Corporation Solar control film for use by consumers and the like
FR2395832A1 (en) * 1977-06-29 1979-01-26 Riflexoterm Pansol Spa Transparent, solar-control plastics films for glazing - comprising tinted, laminated biaxially orientated films with metallised centre layer
US4226910A (en) * 1979-07-12 1980-10-07 Minnesota Mining And Manufacturing Company Energy control sheet having insulative properties

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949134A (en) * 1973-07-18 1976-04-06 Material Distributors Corporation Solar control film for use by consumers and the like
FR2395832A1 (en) * 1977-06-29 1979-01-26 Riflexoterm Pansol Spa Transparent, solar-control plastics films for glazing - comprising tinted, laminated biaxially orientated films with metallised centre layer
US4226910A (en) * 1979-07-12 1980-10-07 Minnesota Mining And Manufacturing Company Energy control sheet having insulative properties

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331269A (en) * 1997-11-13 1999-05-19 David John Anderson Window film
GB2331269B (en) * 1997-11-13 2002-09-04 David John Anderson Film

Also Published As

Publication number Publication date
GB9724005D0 (en) 1998-01-14
GB9623638D0 (en) 1997-01-08
GB0111205D0 (en) 2001-06-27

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)