WO2005042246A1 - Ionomer resins as interlayers for use with imbedded or attached ir reflective or absorptive films in laminated glazing applications - Google Patents

Ionomer resins as interlayers for use with imbedded or attached ir reflective or absorptive films in laminated glazing applications Download PDF

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Publication number
WO2005042246A1
WO2005042246A1 PCT/US2004/036118 US2004036118W WO2005042246A1 WO 2005042246 A1 WO2005042246 A1 WO 2005042246A1 US 2004036118 W US2004036118 W US 2004036118W WO 2005042246 A1 WO2005042246 A1 WO 2005042246A1
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WO
WIPO (PCT)
Prior art keywords
film
thermoplastic polymer
polymer sheets
sheets
blocking
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.)
Ceased
Application number
PCT/US2004/036118
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English (en)
French (fr)
Inventor
Jerrel C. 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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to CN2004800320678A priority Critical patent/CN1960863B/zh
Priority to JP2006538348A priority patent/JP2007509785A/ja
Priority to CA 2540958 priority patent/CA2540958A1/en
Priority to MXPA06004602A priority patent/MXPA06004602A/es
Priority to AU2004285035A priority patent/AU2004285035B2/en
Priority to EP20040796825 priority patent/EP1677975A1/en
Publication of WO2005042246A1 publication Critical patent/WO2005042246A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • 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
    • B32B17/1055—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 resin layer, i.e. interlayer
    • B32B17/10688—Adjustment of the adherence to the glass layers
    • 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
    • B32B17/1055—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 resin layer, i.e. interlayer
    • B32B17/10743—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 resin layer, i.e. interlayer containing acrylate (co)polymers or salts thereof
    • 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
    • B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
    • B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
    • B32B17/10825—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts
    • B32B17/10834—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid
    • B32B17/10844—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid
    • B32B17/10853—Isostatic pressing, i.e. using non rigid pressure-exerting members against rigid parts using a fluid using a membrane between the layered product and the fluid the membrane being bag-shaped
    • 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
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/42—Polarizing, birefringent, filtering
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31627—Next to aldehyde or ketone condensation product
    • Y10T428/3163—Next to acetal of polymerized unsaturated alcohol [e.g., formal butyral, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31645—Next to addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31645—Next to addition polymer from unsaturated monomers
    • Y10T428/31649—Ester, halide or nitrile of addition polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Definitions

  • This invention relates to laminated glass articles comprising Infra Red reflective films imbedded in the interlayer.
  • This invention more particularly relates to said glass laminates wherein the interlayer is an ethylene/unsaturated acid copolymer ionomer.
  • interlayers used for this purpose are polyvinyl butyral (PVB) polymer, and the IR film can be autoclaved between the PVB sheets so that the sandwich is sealed along the edges with the PVB.
  • PVB polyvinyl butyral
  • commercially available PVB is typically plasticized and includes other components such as free acidic groups and various ions, all of which can render the structure prone to rapid and intense moisture absorption. Moisture absorbed into the PVB layers can facilitate and accelerate corrosion of the surfaces of coated imbedded IR film.
  • the plasticizers used in PVB interlayers can bleed between the film layers at edges and cause enough separation to create highly colored iridescence called "edge brightening".
  • the present invention is a multiple layer interlayer useful for blocking the transmission of infra red (IR) light, comprising: (1) at least two thermoplastic polymer sheets; and (2) a film, positioned between the thermoplastic polymer sheets such that the film is in direct contact on each of its surfaces with the sheets, wherein the film can either reflect or absorb IR light, and wherein the thermoplastic polymer sheets are unplasticized (do not include plasticizer).
  • IR infra red
  • the present invention is a multilayer interlayer useful for blocking the transmission of infra red (IR) light, comprising: (1) at least two thermoplastic polymer sheets; and (2) a film, positioned between the thermoplastic polymer sheets such that the film is in direct contact on each of its surfaces with the sheets, wherein the film can either reflect or absorb IR light, wherein the thermoplastic polymer sheets comprise unplasticized ethylene/unsaturated acid copolymer ionomer.
  • IR infra red
  • the present invention is a glass laminate useful for blocking the transmission of infra red (IR) light, comprising a multilayer interlayer comprising: (1) at least two thermoplastic polymer sheets; and (2) a film, positioned between the thermoplastic polymer sheets such that the film is in direct contact on each of its surfaces with the sheets, wherein the film can either reflect or absorb IR light, wherein the thermoplastic polymer sheets do not include plasticizer.
  • IR infra red
  • the present invention is a glass laminate useful for blocking the transmission of infra red (IR) light, comprising a multilayer interlayer which comprises: (1) at least two thermoplastic polymer sheets; and (2) a film, positioned between the thermoplastic polymer sheets such that the film is in direct contact on each of its surfaces with the sheets, wherein the film can either reflect or absorb IR lig t, and wherein the thermoplastic polymer sheets comprise unplasticized ethylene/unsaturated acid copolymer ionomer.
  • a multilayer interlayer which comprises: (1) at least two thermoplastic polymer sheets; and (2) a film, positioned between the thermoplastic polymer sheets such that the film is in direct contact on each of its surfaces with the sheets, wherein the film can either reflect or absorb IR lig t, and wherein the thermoplastic polymer sheets comprise unplasticized ethylene/unsaturated acid copolymer ionomer.
  • the present invention is a process for manufacturing a multiple layer laminate article of the present invention comprising the steps: (1) priming at least one of the multiple layers of the laminate by application of a primer solution before assembling the layers; (2) assembling at least three layers to be used as component layers for the laminate article, wherein at least one layer is an IR-blocking film, and wherein at least two of the layers are unplasticized thermoplastic polymer sheets; (3) positioning the IR-blocking film such that it is contacted on its major surfaces by the unplasticized polymer sheets; and, (4) laminating the at least three layers by heating the assembled layers at a temperature of at least 120°C and at a pressure greater than atmospheric pressure.
  • the present invention is a laminate article that is useful for blocking infra red (IR) light transmission, but transparent to at least some, preferably most, wavelengths of visible light.
  • a laminate of the present invention blocks transmission of IR light either by absorbing IR light frequencies or by reflecting IR light frequencies such that they are not transmitted through the laminate. IR light frequencies are those in the range of from about 0.75 ⁇ to about 400 ⁇ .
  • a laminate of the present invention comprises an IR-reflective or I R-absorptive film such as is known and described in publications from, for example, Minnesota Manufacturing and Mining Company (3M) or Southwall Technologies, Inc.
  • multi-layer IR- blocking films imbedded in laminates using PVB interlayers can have a problem, that is edge brightening, that results from liquid plasticizer leaching out of a plasticized interlayer sheet and migrating into the edges of the imbedded film causing the edge brightening effect.
  • Another interlayer-related problem encountered with coated IR-blocking films is that interlayers that absorb moisture and contain acidic functional groups and various ions can corrode the metal flakes or coatings that are present on some IR-blocking films.
  • Laminates of the present invention do not contain plasticizers or other mobile components that can migrate or leach, and additionally do not promote the absorption of water. Thus the laminates of the present invention substantially reduce the occurrences of interlayer-related defects described herein.
  • Suitable interlayers of the present invention are non-plasticized thermoplastic polymers that are transparent to at least some frequencies of the visible light spectrum. Suitable thermoplastic polymers are those that can adhere to glass or other transparent rigid material, such as polycarbonate for example, either directly or using of an adhesive film layer, and also to the IR-blocking film.
  • thermoplastic interlayer materials include, for example: polyurethane polymers; polyvinyl chloride polymers; and acid copolymers (inclusive of terpolymers) obtained by copolymerization of ethylene and c., ⁇ -unsaturated carboxylic acids having from 3 to 8 carbon atoms, and/or derivatives thereof, including esters, carboxylic acid salts, and anhydrides.
  • acid copolymers of ethylene and ⁇ , ⁇ -unsaturated carboxylic acids, and/or salts thereof Particularly preferred are salts of acid copolymers, such salts being conventionally known, and referred to herein, as ionomers.
  • Suitable ionomers are commercially available from, for example, E.I.
  • thermoplastic interlayer for use with an IR film as described here is one which can impart properties suitable for use in a laminated glazing structure.
  • Unplasticized PVB for example, would not be suitable for use as the interlayer which is in direct contact with the IR film because unplasticized PVB is not suitable for use in glazing due to properties such as high modulus and low tensile strength, which would negatively impact the performance of the glazing in such applications as windows and automobile windshields, for example.
  • a laminate of the present invention can optionally include at least one other layer of transparent, plasticized interlayer material which is used as an intervening layer between the IR-blocking laminate and the rigid transparent material, with the proviso that the at least one layer of plasticized interlayer material cannot directly contact the IR-blocking film.
  • an IR-blocking laminate of the present invention comprises at least two layers of suitable non-plasticized interlayer materials having positioned there between, and in continuous direct contact with, a suitable IR-blocking film.
  • optional plasticized interlayer materials are laminated to the outer layers of the IR-blocking laminate.
  • plasticized PVB can be laminated to at least one surface of the IR-blocking laminate, and the resulting laminate can be laminated to at least one sheet of glass, and preferably the laminate can be laminated between two sheets of glass.
  • the present invention is a process for preparing an IR-blocking laminate of the present invention.
  • a laminate of the present invention can be obtained by assembling, in order, (1) a first sheet of a suitable non-plasticized interlayer material, (2) an IR-blocking film, and (3) a sheet of a second suitable non-plasticized interlayer material.
  • the first and second non-plasticized interlayer materials can be the same or different interlayer materials. Preferably they are the same, but using different materials may be advantageous in some circumstances.
  • the interlayer materials are maintained as dry as possible ( ⁇ 0.20% water) by keeping them in sealed packages or by storing at a controlled relative humidity prior to lamination.
  • the interlayer materials are stored at a relative humidity of 23% or less.
  • the assembled layers of film can then be laminated together at temperatures and times suitable to complete the lamination of the layers. Suitable temperatures and lamination times can depend on the particular materials being laminated.
  • the time required for lamination can depend on the lamination temperature. Suitable lamination conditions of temperature and time can be readily discerned by one of ordinary skill in the art. Generally, it can be preferred to carry out the lamination at a temperature of at least about 120°C for at least about 15 minutes.
  • the assembled laminate layers can be heated in an autoclave for the desired time to effect bonding between the layers- It can be optional that at least one of the layers of laminate materials used in the IR-blocking laminate is primed using a priming agent - prior to lamination - that can increase the peel strength of the laminate. In other cases it can be required to use a priming agent in order to obtain satisfactory peel strength. Satisfactory 90° peel strength in a laminate of the present invention is at least about 2.0 oz/inch, preferably at least about 3.5 oz/inch, more preferably at least about 4.0 oz/inch, and most preferably about 4.5 oz/inch.
  • Peel strength is determined according to ASTM Standard D3330/D3330M-02 using an Instrumentors, Inc., Model SP-102B-3M90 Slip/Peel Tester fitted with a MB-10 load cell. Peels were made at a 90 degree angle using 1 inch wide samples. The peels were made at platen speeds of 1 inch and 2 inches per minute. In a surprising development, it can be preferable to prime only the IR-blocking film layer to maximize the peel strength.
  • Preferred priming agents are silane compounds or solutions thereof. More preferred are aminosilane compounds as priming agents.
  • the silane priming agents can be used as a solution in a solvent such as methanol, ethanol, n-propyl alcohol, i-propyl alcohol, water, mixtures of any of these and/or other solvents suitable for dissolving the silane priming agent.
  • the priming agent can be applied by any conventional method to any of the component layers of the IR-blocking laminate. It can be preferable that the priming agent is applied to one layer of the IR-blocking laminate, and more preferable that the priming agent is applied directly to the IR- blocking film. In any case, after the priming agent is applied, it can be preferred that the primed layer is allowed to dry at ambient temperature before the lamination process described hereinabove is started.
  • EXAMPLES The Examples are for illustrative purposes only, and are not intended to limit the scope of the invention.
  • An IR-blocking laminate of the present invention was prepared using a multi-layered IR-reflecting film available from 3M Innovative Products Company, and two sheets of ionomer resin available from E.I. DuPont de Nemours and Company as SENTRYGLAS®-PLUS lonoplast resin.
  • the 6 inch by 6 inch laminates were prepared using conventional lamination techniques with 15-mil sheets of SENTRYGLAS®-PLUS on either side of a 5 inch by 5 inch sheet of the IR-blocking film (one half inch of cutback around the edges of the laminate) and the pre-laminate was vacuum bagged and then heated in an autoclave at 143°C for 30 minutes at 200 psi pressure.
  • This laminate sample was inspected for defects, including corrosion, dimpling, air bubbles, and delamination. No defects were present. This laminate sample was then subjected to a bake test at 90°C for five (5) weeks, and no edge color developed.
  • Example 1 The procedure of Example 1 was repeated except that two PVB resin (22.4% hydroxyl) sheets, plasticized with 36 pph tetraethylene glycol 2-heptanoate (4G7), were used instead of the ionomer resin sheeting.
  • Example 1 The procedure of Example 1 was repeated except that two PVB resin sheets (18.5% hydroxyl), plasticized with 36 pph triethylene glycol 2-hexanoate (3GO), were used instead of the ionomer resin sheeting.
  • the sample was subjected to the bake test (90°C/5 weeks) and developed a uniform greenish-yellow edge color measuring 1 mm wide. This edge color was present on all four edges.
  • a 0.05%, by volume and weight of A-1100 silane (gamma- aminopropyltriethoxysilane), manufactured by OSi Specialties, in an isopropanohwater (2:1) solvent was prepared by diluting 0.1 mL of the silane in 200 mL of the isopropanol mixture followed by stirring for one hour.
  • An IR-blocking film available from 3M was dipped into the silane solution and allowed to dry.
  • a pre-laminate structure was prepared having the following construction:
  • Example 3 The procedure of Example 2 was repeated except that the
  • Example 5 The procedure of Example 2 was repeated except that both the IR-blocking film and the ionoplast resin were primed. The peel strength of the resulting laminate was 4.18 + 0.40. Example 5
  • Example 6 The procedure of Example 2 was repeated except that none of the layers of the laminate was primed. The peel strength of the resulting laminate was 2.52 + 0.22. Example 6
  • IR reflective laminates of the present invention were prepared using 2 mil thick "XIR -70” and “XIR-75” coated IR reflective films manufactured by Southwall Technologies, Inc. , and two sheets of 15 mil SENTRYGLAS®- PLUS. The 12 inch by 12 inch laminates were prepared using conventional lamination techniques with 15 mil sheets of

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  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)
PCT/US2004/036118 2003-10-28 2004-10-28 Ionomer resins as interlayers for use with imbedded or attached ir reflective or absorptive films in laminated glazing applications Ceased WO2005042246A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN2004800320678A CN1960863B (zh) 2003-10-28 2004-10-28 与层压窗用玻璃应用中嵌入或附着的红外线反射或吸收薄膜一起使用的作为夹层的离聚物树脂
JP2006538348A JP2007509785A (ja) 2003-10-28 2004-10-28 積層ガラス用途において埋込または貼付られたｉｒ反射性もしくは吸収性フィルムとともに使用するための中間層としてのアイオノマー樹脂
CA 2540958 CA2540958A1 (en) 2003-10-28 2004-10-28 Ionomer resins as interlayers for use with imbedded or attached ir reflective or absorptive films in laminated glazing applications
MXPA06004602A MXPA06004602A (es) 2003-10-28 2004-10-28 Resinas de ionomeros como capas intermedias para usar con peliculas absorbentes o reflectoras de rayos ir adheridas o incrustadas en aplicaciones de vidriado laminado.
AU2004285035A AU2004285035B2 (en) 2003-10-28 2004-10-28 Ionomer resins as interlayers for use with imbedded or attached IR reflective or absorptive films in laminated glazing applications
EP20040796825 EP1677975A1 (en) 2003-10-28 2004-10-28 Ionomer resins as interlayers for use with imbedded or attached irreflective or absorptive films in laminated glazing applications

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US20050089692A1 (en) 2005-04-28
AU2004285035B2 (en) 2009-12-03
CN1960863B (zh) 2011-09-07
MXPA06004602A (es) 2006-06-27
AU2004285035A1 (en) 2005-05-12
JP2007509785A (ja) 2007-04-19
CN1960863A (zh) 2007-05-09
CA2540958A1 (en) 2005-05-12
EP1677975A1 (en) 2006-07-12
US7291398B2 (en) 2007-11-06

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