Interlayer film for protective glazing laminates

Details Interlayer film for protective glazing laminates Interlayer film for protective glazing laminates

B - Operations, Transporting

32

B

B32B 17/10 (2006.01) C03C 27/12 (2006.01) C08F 214/26 (2006.01) C08L 27/18 (2006.01) C08L 27/00 (2006.01)

Patent

CA 2290995

Optical and firescreening protective glazing laminates comprising fluoropolymer interlayer films are described. The films and their laminates comprise THV and blends of THV with FEP, ECCTFE or ECCTFE, and modified with additives, such as coupling agents, pigment or color concentrates, and IR- or UV-light blockers, and may be subjected to a surface corona treatment. The films also may incorporate a fiber mesh for additional reinforcement.

La présente invention concerne des vitrages de protection feuilletés, pare-feu et optiques comprenant un film intermédiaire en polymère fluoré. Les films et leurs vitrages feuilletés comprennent un fluorure de tétrafluoroéthylène/héxafluoropropylène/vinylidène (THV) et des mélanges de THV avec des copolymères fluorés d'éthylène-propylène, du chloroéthylène tétrafluoroéthylène (ECTFE), du dichloroéthylène tétrafluoroéthylène (ECCTFE), sont modifiés par des additifs tels que des agents de couplage, des concentrés de pigments et de colorants, et des éléments de blocage de lumière IR et UV, et peuvent être soumis à un traitement de surface par effet de couronne. Les films peuvent également incorporer un maillage de fibres pour un renforcement supplémentaire.

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