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1. EP2639206 - INTERMEDIATE FILM FOR LAMINATED GLASSES, AND LAMINATED GLASS

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]
Claims

1. An intermediate film for laminated glass having a one-layer structure or a laminated structure of two or more layers, comprising:

a first layer which contains silicon dioxide particles having hollow parts and shell parts and having a porosity of 40% or more and 80% or less,

wherein, when the intermediate film is a single-layer intermediate film for laminated glass having a one-layer structure, the first layer further contains a thermoplastic resin, and

when the intermediate film is a multilayer intermediate film for laminated glass having a laminated structure of two or more layers, the intermediate film for laminated glass further comprises a second layer which is arranged on a first surface side of the first layer and which contains a thermoplastic resin.


  2. The intermediate film for laminated glass according to claim 1, which is a multilayer intermediate film for laminated glass having a laminated structure of two or more layers, comprising:

the first layer which contains silicon dioxide particles having hollow parts and shell parts and having a porosity of 40% or more and 80% or less and

the second layer containing a thermoplastic resin.


  3. The intermediate film for laminated glass according to claim 2,
wherein the second layer is laminated on the first surface of the first layer.
  4. The intermediate film for laminated glass according to claim 2 or 3, further comprising:

a third layer which is arranged on a second surface side opposite to the first surface of the first layer and which contains a thermoplastic resin.


  5. The intermediate film for laminated glass according to claim 4,
wherein the third layer is laminated on the second surface of the first layer.
  6. The intermediate film for laminated glass according to any one of claims 2 to 5,
wherein, when the thickness of the intermediate film for laminated glass is defined as T (┬Ám), the first layer has a thickness of 0.005 T or more and 0.6 T or less.
  7. The intermediate film for laminated glass according to any one of claims 1 to 6,
wherein the thermoplastic resin is a polyvinyl acetal resin.
  8. The intermediate film for laminated glass according to any one of claims 1 to 7,
wherein the first layer contains the silicon dioxide particles in an amount of 0.1 g/m 2 or more and 80 g/m 2 or less.
  9. A laminated glass comprising:

a first component for laminated glass,

a second component for laminated glass, and

an intermediate film interposed between the first component for laminated glass and the second component for laminated glass,

wherein the intermediate film is the intermediate film for laminated glass according to any one of claims 1 to 8.