Laminate for laminated glass and interlayer film for laminated glass
A laminate for a laminated glass which is used as a head-up display (HUD) and is not deteriorated even if exposed to light, and with which a laminated glass having excellent impact resistance can be prepared, wherein an interlayer film for a laminated glass and a retardation element sandwiched between adhesive layers are laminated, the interlayer film for a laminated glass contains a thermoplastic resin and an ultraviolet absorber, the interlayer film for a laminated glass contains, as the ultraviolet absorber, a benzotriazole compound or a benzophenone compound, and at least one compound selected from the group consisting of a malonic ester compound, an oxanilide compound and a triazine compound.
1. An interlayer film for a laminated glass,
wherein said interlayer film for a laminated glass comprises a thermoplastic resin and an ultraviolet absorber,
said interlayer film for a laminated glass comprises, as said ultraviolet absorber, a benzotriazole compound or a benzophenone compound, and at least one compound selected from the group consisting of a malonic ester compound, an oxanilide compound and a triazine compound and
the sum of the contents of said malonic ester compound, said oxanilide compound and said triazine compound is 0.8 parts by weight or more and the sum of the contents of said benzotriazole compound or said benzophenone compound is 0.8 parts by weight or more with respect to 100 parts by weight of said thermoplastic resin.
2. The interlayer film for a laminated glass according to claim 1 ,
wherein the interlayer film for a laminated glass comprises the oxanilide compound and the benzotriazole compound as the ultraviolet absorber, and the content of said oxanilide compound is 0.8 to 1.4 parts by weight and the content of said benzotriazole compound is 0.8 to 1.4 parts by weight with respect to 100 parts by weight of the thermoplastic resin.
3. The interlayer film for a laminated glass according to claim 1 ,
wherein the interlayer film for a laminated glass comprises the malonic ester compound and the benzotriazole compound as the ultraviolet absorber, and the content of said malonic ester compound is 0.8 to 1.2 parts by weight and the content of said benzotriazole compound is 0.8 to 1.4 parts by weight with respect to 100 parts by weight of the thermoplastic resin.
4. The interlayer film for a laminated glass according to claim 1 ,
wherein the interlayer film for a laminated glass comprises the oxanilide compound and the benzophenone compound as the ultraviolet absorber, and the content of said oxanilide compound is 0.8 to 1.4 parts by weight and the content of said benzophenone compound is 0.8 to 1.6 parts by weight with respect to 100 parts by weight of the thermoplastic resin.
5. The interlayer film for a laminated glass according to claim 1 ,
wherein the interlayer film for a laminated glass comprises the malonic ester compound and the benzophenone compound as the ultraviolet absorber, and the content of said malonic ester compound is 0.8 to 1.2 parts by weight and the content of said benzophenone compound is 0.8 to 1.6 parts by weight with respect to 100 parts by weight of the thermoplastic resin.
6. The interlayer film for a laminated glass according to claim 1 ,
wherein the thermoplastic resin is a polyvinyl acetal resin.
7. The interlayer film for a laminated glass according to claim 6 ,
which further comprises a plasticizer.