Laminate for laminated glass and interlayer film for laminated glass
A laminate for a laminated glass which is used as a head-up displays (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. A laminate for a laminated glass,
wherein an interlayer film for a laminated glass and a retardation element sandwiched between adhesive layers are laminated,
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,
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 and
said adhesive layer comprises an adhesive having a glass transition temperature of −20° C. or lower.
2. The laminate for a laminated glass according to claim 1 ,
wherein the interlayer film for a laminated glass comprises the triazine compound and the benzotriazole compound as the ultraviolet absorber, and the content of said triazine compound is 0.8 to 2.0 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 laminate 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.
4. The laminate 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.
5. The laminate for a laminated glass according to claim 1 ,
wherein the interlayer film for a laminated glass comprises the triazine compound and the benzophenone compound as the ultraviolet absorber, and the content of said triazine compound is 0.8 to 2.0 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 laminate 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.
7. The laminate 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.
8. The laminate for a laminated glass according to claim 1 ,
wherein the interlayer film for a laminated glass further comprises a hindered amine compound.
9. The laminate for a laminated glass according to claim 1 ,
wherein the adhesive layer comprises an acrylic adhesive.
10. The laminate for a laminated glass according to claim 1 ,
wherein the thermoplastic resin is a polyvinyl acetal resin.
11. The laminate for a laminated glass according to claim 10 ,
wherein the interlayer film for a laminated glass further comprises a plasticizer.
12. An interlayer film for a laminated glass,
comprising a thermoplastic resin and an ultraviolet absorber,
wherein said interlayer film for a laminated glass comprises, as said ultraviolet absorber, a benzotriazole compound and a triazine compound, wherein a content of said triazine compound is 0.8 to 2.0 parts by weight and a 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.
13. An interlayer film for a laminated glass,
comprising a thermoplastic resin and an ultraviolet absorber,
wherein said interlayer film for a laminated glass comprises, as said ultraviolet absorber, a benzophenone compound and a triazine compound, wherein a content of said triazine compound is 0.8 to 2.0 parts by weight and a 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.