Laminating film and light-transmitting laminate including same
The present disclosure relates to a film for bonding including an embossed surface, wherein the embossed surface has a Sku value of 5 or less, wherein the embossed surface has Sk, Spk, and Svk values, and when a total sum of the Sk value, the Spk value, and the Svk value is 100%, a sum of the Sk value and the Spk value is 50% or more, wherein the embossed surface has a Sz value of 30 to 90 μm, and wherein the film includes a polyvinyl acetal resin and a plasticizer.
1. A film for bonding comprising an embossed surface,
wherein the embossed surface has a Sku value of 5 or less,
wherein the embossed surface has Sk, Spk, and Svk values, and when a total sum of the Sk value, the Spk value, and the Svk value is 100%, a sum of the Sk value and the Spk value is 50% or more,
wherein the embossed surface has a Sz value of 30 to 90 μm, and
wherein the film comprises a polyvinyl acetal resin and a plasticizer.
2. The film for bonding of claim 1 ,
wherein the Sk value is 5 to 40 μm.
3. The film for bonding of claim 1 ,
wherein the Sk value is 10 to 35 μm.
4. The film for bonding of claim 1 ,
wherein the Sku value is less than 4.
5. The film for bonding of claim 1 ,
wherein the Spk value is 2 to 25 μm.
6. The film for bonding of claim 1 ,
wherein the film is a single layered film.
7. The film for bonding of claim 1 ,
wherein the film is a laminated film with two or more layers.
8. The film for bonding of claim 1 ,
wherein the embossed surface has a transferring ratio of 0.70 or more.
9. The film for bonding of claim 1 ,
wherein a section of the film comprises a wedge shape in at least a portion of the section.
10. A light transmitting laminate comprising:
a first light transmitting layer;
a film for bonding disposed on one surface of the first light transmitting layer; and
a second light transmitting layer disposed on the film for bonding,
wherein the film for bonding comprises an embossed surface,
wherein the embossed surface has a Sku value of 5 or less,
wherein the embossed surface has Sk, Spk, and Svk values, and when a total sum of the Sk value, the Spk value, and the Svk value is 100%, a sum of the Sk value and the Spk value is 50% or more,
wherein the embossed surface has a Sz value of 30 to 90 μm, and
wherein the film comprises a polyvinyl acetal resin and a plasticizer.
11. The light transmitting laminate of claim 10 ,
wherein the Sk value is 5 to 40 μm.
12. The light transmitting laminate of claim 10 ,
wherein the Sk value is 10 to 35 μm.
13. The light transmitting laminate of claim 10 ,
wherein the Sku value is less than 4.
14. The light transmitting laminate of claim 10 ,
wherein the Spk value is 2 to 25 μm.
15. The light transmitting laminate of claim 10 ,
wherein the film is a single layered film.
16. The light transmitting laminate of claim 10 ,
wherein the film is a laminated film with two or more layers.
17. The light transmitting laminate of claim 10 ,
wherein the embossed surface has a transferring ratio of 0.70 or more.
18. The light transmitting laminate of claim 10 ,
wherein a section of the film comprises a wedge shape in at least a portion of the section.
19. A vehicle comprising a light transmitting laminate comprising:
a first light transmitting layer;
a film for bonding disposed on one surface of the first light transmitting layer; and
a second light transmitting layer disposed on the film for bonding,
wherein the film for bonding comprises an embossed surface,
wherein the embossed surface has a Sku value of 5 or less,
wherein the embossed surface has Sk, Spk, and Svk values, and when a total sum of the Sk value, the Spk value, and the Svk value is 100%, a sum of the Sk value and the Spk value is 50% or more,
wherein the embossed surface has a Sz value of 30 to 90 μm, and
wherein the film comprises a polyvinyl acetal resin and a plasticizer.