FAR INFRARED REFLECTING LAMINATE

• US 20130279000A1
• Filed: 01/11/2012
• Published: 10/24/2013
• Est. Priority Date: 01/13/2011
• Status: Abandoned Application

• Current Assignee: Toray Industries Incorporated
• Original Assignee: Toray Industries Incorporated
• Inventors: Maeda, Yukihiro, Ito, Kiyohiko
• Application Number:
  US13/978,241
• Publication Number:
  US 20130279000A1
• Time in Patent Office: Days
• US Class Current: 359/360
• CPC Class Codes: B32B 17/10018 comprising only one glass sheet
• CPC Class Codes: B32B 17/1022 Metallic coatings
• CPC Class Codes: B32B 2367/00 Polyesters, e.g. PET, i.e. polyethylene terephthalate
• CPC Class Codes: C08J 2367/02 Polyesters derived from dicarboxylic acids and dihydroxy compounds; C08J2367/06 takes precedence
• CPC Class Codes: C08J 2433/00 Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
• CPC Class Codes: C08J 7/0423 with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
• CPC Class Codes: C08J 7/043 Improving the adhesiveness of the coatings per se, e.g. forming primers adhesives in the form of films or foils characterised by the primer layers between the polymer carriers and the adhesives C09J7/50
• CPC Class Codes: C08J 7/044 Forming conductive coatings; Forming coatings having anti-static properties
• CPC Class Codes: C08J 7/046 Forming abrasion-resistant coatings; Forming surface-hardening coatings
• CPC Class Codes: G02B 1/14 Protective coatings, e.g. hard coatings
• CPC Class Codes: G02B 5/0808 having a single reflecting layer G02B5/0883, G02B5/0891 take precedence
• CPC Class Codes: G02B 5/085 at least one of the reflecting layers comprising metal
• CPC Class Codes: G02B 5/0875 the reflecting layers comprising two or more metallic layers
• CPC Class Codes: G02B 5/208 for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation

Abstract

A far infrared reflecting laminate wherein layers [A] to [C] are sequentially arranged in this order: [A] a substrate; [B] a far-infrared reflecting layer having structure [B1] or [B2], [B1] a single layer of a metal containing 95 to 100% by mass of silver; or [B2] a multilayer structure composed of a metal layer containing 95 to 100% by mass of silver and a layer containing a metal oxide and/or a metal nitride and having a refractive index of 1.5 to 3; and [C] a surface hard-coat layer containing a crosslinking resin having one or more polar groups selected from a phosphoric acid group, a sulfonic acid group, and an amide group and having a thickness of 0.4 to 2.0 μm.

Claims

1. A far infrared reflecting laminate wherein layers [A] to [C] are sequentially arranged in this order:

[A] a substrate;

[B] a far-infrared reflecting layer having structure [B1] or [B2],

[B1] a single layer structure of a metal containing 95 to 100% by mass of silver;

or

[B2] a multilayer structure composed of a metal layer containing 95 to 100% by mass of silver and a layer containing a metal oxide and/or a metal nitride and having a refractive index of 1.5 to 3; and

[C] a surface hard-coat layer containing a crosslinking resin having one or more polar groups selected from the group consisting of a phosphoric acid group, a sulfonic acid group, and an amide group and having a thickness of 0.4 to 2.0 μ

m.

3. The far infrared reflecting laminate according to claim 1, wherein the polar group contains a phosphoric acid group in the [C] layer.

4. The far infrared reflecting laminate according to claim 1, further comprising [D] layer provided between the [A] layer and the [B] layer, wherein

[D] layer is an inner hard-coat layer composed of a crosslinking resin and having a thickness of 0.2 to 10.0 μ

m.

5. The far infrared reflecting laminate according to claim 1, wherein the [C] layer has a multilayer structure or an inclined structure in which a composition continuously changes in the thickness direction, and

in the [C] layer, a normalized intensity value [P/C]_(C1) obtained in a region [C1] of 0 to 200 nm from an interface between the [C] layer and the [B] layer with a sector magnetic field type secondary ion mass spectroscope is 0.01 to 30.

6. The far infrared reflecting laminate according to claim 5, wherein in the [C] layer, a normalized intensity value [P/C]_(C2) obtained in a region [C2] of 0 to 200 nm from an opposite surface of the [B] layer with a sector magnetic field type secondary ion mass spectroscope is 10% or less of the normalized intensity value [P/C]_(C1).

9. The far infrared reflecting laminate according to claim 3, further comprising [D] layer provided between the [A] layer and the [B] layer, wherein

[D] layer is an inner hard-coat layer composed of a crosslinking resin and having a thickness of 0.2 to 10.0 μ

m.

11. The far infrared reflecting laminate according to claim 3, wherein the [C] layer has a multilayer structure or an inclined structure in which a composition continuously changes in the thickness direction, and

in the [C] layer, a normalized intensity value [P/C](C1) obtained in a region [C1] of 0 to 200 nm from an interface between the [C] layer and the [B] layer with a sector magnetic field type secondary ion mass spectroscope is 0.01 to 30.

12. The far infrared reflecting laminate according to claim 4, wherein the [C] layer has a multilayer structure or an inclined structure in which a composition continuously changes in the thickness direction, and

in the [C] layer, a normalized intensity value [P/C](C1) obtained in a region [C1] of 0 to 200 nm from an interface between the [C] layer and the [B] layer with a sector magnetic field type secondary ion mass spectroscope is 0.01 to 30.

2. A far infrared reflecting laminate, wherein a substrate, a metal layer, and a surface hard-coat layer are arranged in this order, the metal layer containing 95 to 100% by mass of silver, the surface hard-coat layer having a thickness of 0.4 to 2.0 μ

m, and wherein the far infrared reflecting laminate has a far-infrared reflectance of 60% or more and a surface abrasion resistance of 10 scratches/10 mm or less.

7. The far infrared reflecting laminate according to claim 2, wherein the polar group contains a phosphoric acid group in the [C] layer.

8. The far infrared reflecting laminate according to claim 2, further comprising [D] layer provided between the [A] layer and the [B] layer, wherein

[D] layer is an inner hard-coat layer composed of a crosslinking resin and having a thickness of 0.2 to 10.0 μ

m.

10. The far infrared reflecting laminate according to claim 2, wherein the [C] layer has a multilayer structure or an inclined structure in which a composition continuously changes in the thickness direction, and

in the [C] layer, a normalized intensity value [P/C]_(C1) obtained in a region [C1] of 0 to 200 nm from an interface between the [C] layer and the [B] layer with a sector magnetic field type secondary ion mass spectroscope is 0.01 to 30.