SOLAR CONTROL MULTILAYER FILM

• US 20080176973A1
• Filed: 01/19/2007
• Published: 07/24/2008
• Est. Priority Date: 01/19/2007
• Status: Active Grant

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Padiyath, Raghunath, Qiu, Zai-Ming
• Granted Patent: US 7,709,092 B2
• Time in Patent Office: Days
• US Class Current: 523/135
• CPC Class Codes: B32B 17/10018 comprising only one glass sheet
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/30 comprising vinyl (co)polymers; comprising acrylic (co)polymers
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: B32B 7/023 Optical properties
• CPC Class Codes: G02B 5/282 reflecting for infrared and transparent for visible light, e.g. heat reflectors, laser protection
• CPC Class Codes: Y10T 428/3154 Of fluorinated addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31544 Addition polymer is perhalogenated
• CPC Class Codes: Y10T 428/31663 As siloxane, silicone or silane

Abstract

A multilayer film article is disclosed. The multilayer film article includes an infrared light reflecting multilayer film having alternating layers of a first polymer type and a second polymer type, a hardcoat layer that is the reaction product of a hardcoat composition that includes at least one organic polyethylenically unsaturated compound, at least one fluoroalkyl pendent siloxane compound, infrared light absorbing nanoparticles, and a polymerization initiator. The hardcoat layer being disposed adjacent the multilayer film.

Claims

1. An article comprising:

an infrared light reflecting multilayer film having alternating layers of a first polymer type and a second polymer type; and

a hardcoat layer disposed on the multilayer film, wherein said hardcoat layer comprises the reaction product of a hardcoat composition comprising;

at least one organic polyethylenically unsaturated compound;

at least one fluoroalkyl pendent siloxane compound;

infrared light absorbing nanoparticles; and

at least one polymerization initiator.

2. The article according to claim 1, wherein the at least one fluoroalkyl pendent siloxane compound is

3. The article according to claim 2, wherein the at least one fluoroalkyl pendent siloxane compound is:

4. The article according to claim 2, wherein the at least one fluoroalkyl pendent siloxane compound is:

5. The article according to claim 2, wherein the at least one fluoroalkyl pendent siloxane compound is

6. The article according to claim 2, wherein the fluoroalkyl pendent siloxane compound is

7. The article according to claim 2, wherein R^f, is C_nF_2n+1(CH₂O)₀C_mH_2m—

, C_nF_2n+1CHXCF₂(C_mH_2mO)₀C_pH_2p—

or C_nF_2n+1OCHXCF₂(C_mH_2mO)₀C_pH_2p—

wherein X is H or F;

n is an integer of 1 to 12;

m is an integer of 1 to 12;

o is 0 or 1; and

p is an integer of 2 to 12.

8. The article according to claim 7, wherein R^f is HFPO.

9. The article according to claim 2, wherein Z comprises CH₂═

CH—

, CH₂═

CHCO₂-L-, or a combination thereof wherein L is a linkage group.

10. The article according to claim 2, wherein the fluoroalkyl pendent siloxane compound is (CH₂═

CH)Si(Me)₂O—

[Si(Me)(C₂H₄CF₃)—

O]_b—

Si(Me)₂(CH═

CH₂), (CH₂═

CH)Si(Me)₂O—

[(Si(Me)₂-O]_a—

[Si(Me)(C₂H₄C₄F₉)—

O]_b—

Si(Me)₂(CH═

CH)₂, (CH₂═

CH)Si(Me)₂O—

[Si(Me)₂-O]_a—

[Si(Me)(C₂H₄CF₃)—

O]_b—

Si(Me)₂(CH═

CH₂), (CH₂═

CH)Si(Me)₂O—

[Si(Me)(C₂H₄C₄F₉)—

O]_b—

Si(Me)₂(CH═

CH₂), or combinations thereof,

wherein

a is 0 to 2000;

b is 1 to 2000;

c is 2 to 2000,

with the proviso that a+b+c is at least 5.

11. The article according to claim 5, wherein the fluoroalkyl pendent siloxane compound is (CH₂═

CH)Si(Me)₂O—

[Si(Me)₂-O]_a—

[Si(Me)(C₂H₄C₄F₉)O]_b—

[Si(Me)(CH═

CH₂)—

O]_c—

Si(Me)₂(CH═

CH₂), (CH₂═

CH)Si(Me)₂O—

[Si(Me)₂-O]_a—

[Si(Me)C₂H₄CF₃)—

O]_b—

[Si(Me)(CH═

CH₂)—

O]_c—

Si(Me)₂(CH═

CH₂), (Me)₃SiO—

[Si(Me)₂-O]_a—

[Si(Me)(C₂H₄CF₃)—

O]_b—

[Si(Me)(CH═

CH₂)—

O]_c—

Si(Me)₃, (Me)₃SiO—

[Si(Me)₂-O]_a—

[Si(Me)(C₂H₄C₄F₉)—

O]_b—

[Si(Me)(CH═

CH₂)—

O]_c—

Si(Me)₃, (Me)₃SiO—

[Si(Me)(C₂H₄C₄F₉)—

O]_b—

[Si(Me)(CH═

CH₂)—

O]_c—

Si(Me)₃, (Me)₃SiO—

[Si(Me)(C₂H₄CF₃)—

O]_b—

[Si(Me)(CH═

CH₂)—

O]_c—

Si(Me)₃, (Me)₃SiO—

[Si(Me)(C₂H₄C₄F₉)—

P]_b—

[Si(Me)(C₂H₄CO₂C((Et)(CH₂OC(O)CH═

CH₂)₂))—

O]_c—

Si(Me)₃, (Me)₃SiO—

[Si(Me)(C₃H₆NHC(O)HFPO)—

O]_b—

[Si(Me)(C₂H₄CO₂C((Et)(CH₂OC(O)CH═

CH₂)₂))—

O]_c—

Si(Me)₃, (Me)₃SiO—

[Si(Me)(CH₂CH₂C(O)OC₂H₄OC(O)HFPO)—

O]_b—

[Si(Me)(C₂H₄CO₂C((Et)(CH₂OC(O)CH═

CH₂)₂))—

O]_c—

Si(Me)₃, (Me)₃SiO—

[Si(Me)(CH₂CHMeC(O)OC₂H₄OC(O)HFPO)—

O]_b—

[Si(Me)(C₂H₄CO₂C((Et)(CH2OC(O)CH═

CH₂₎₂₎₎—

O]_c—

Si(Me)₃, (C₄F₉CH₂CH₂)Si(Me)₂O—

[Si(Me)(C₂H₄F₉)—

O]_b—

[Si(Me)(CH═

CH₂)—

O]_c—

Si(Me)₂(CH₂CH₂C₄F₉), or combinations thereof, wherein

a is 0 to 2000;

b is 1 to 2000;

c is 2 to 2000,

with the proviso that a+b+c is at least 5

12. The article according to claim 1, wherein the fluoroalkyl pendent siloxane is

13. The article according to claim 12, wherein the at least one fluoroalkyl pendent siloxane compound is:

14. The article according to claim 12, wherein the at least one fluoroalkyl pendent siloxane compound is:

15. The article according to claim 12, wherein the at least one fluoroalkyl pendent siloxane compound is:

16. The article according to claim 12, wherein the at least one fluoroalkyl pendent siloxane compound is;

17. The article according to claim 12, wherein R^f, is C_nF_2n+1(CH₂O)₀C_pH_2p—

, C_nF_2n+1CHXCF₂(C_mH_2mO)₀C_pH_2p—

, or C_nF_2n+1OCHXCF₂(C_mH_2mO)₀C_pH_2p—

wherein X is H or F;

n is an integer of 1 to 12;

m is an integer of 1 to 12;

o is 0 or 1; and

p is an integer of 2 to 12.

18. The article according to claim 12, wherein R^f is HFPO.

19. The article according to claim 12, wherein the fluoroalkyl pendent siloxane is (Me)₂SiH—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄CF₃)—

O]_g—

SiH(Me)₂, (Me)₂SiH—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄C₄F₉)—

O]_g—

SiH(Me)₂, (Et)₂SiH—

O—

[Si(Et)(H)—

O]_e—

[Si(Me)(C₂H₄CF₃)—

O]_g—

SiH(Et)₂, (Et)₂SiH—

O—

[Si(Et)(H)—

O]_e—

[Si(Me)(C₂H₄C₄F₉)—

O]_g—

SiH(Et)₂, (Me)₂SiH—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄CF₃)—

O]_g—

[Si(Me)₂-O]_d—

SiH(Me)₂, (Me)₂SiH—

O—

[Si(Me)(H)—

O]_c—

[Si(Me)(C₂H₄C₄F₉)—

O]_g—

[Si(Me)₂-O]_d—

SiH(Me)₂, (Me)₂SiH—

O—

[Si(Me)(H)—

O]_c—

[Si(Me)(C₂H₄CF₃)—

O]_g—

[Si(Me)(Ph)-O]_d—

SiH(Me)₂, (Me)₂SiH—

O—

[Si(Me)(H)—

O]_c—

[Si(Me)(C₂H₄C₄F₉)—

O]_g—

[Si(Me)(Ph)-O]_d—

SiH(Me)₂, (Me)₃—

Si—

O—

[Si(Me)(H)—

O]_c—

[Si(Me)(C₂H₄CF₃)—

O]_g—

Si(Me)₃, (Me)₃si—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄C₄F₉)—

O]_g—

Si(Me)₃. (Me)₃Si—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄CF₃)—

O]_g—

[Si(Me)₂-O]_d—

Si(Me)₃, (Me)₃Si—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄C₄F₉)—

O]_g—

[Si(Me)₂-O]_d—

Si(Me)₃, (Me)₃Si—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄CF₃)—

O]_g—

[Si(Me)(Ph)-O]_d—

Si(Me)₃, (Me)₃Si—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(C₂H₄C₄F₉)—

O]_g—

[Si(Me)(Ph)-O]_d—

Si(Me)₃, (Me)₃Si—

O—

[Si(Me)(H)—

O]_e—

[Si(Me)(CH₂C(H)(Me)C(O)OC₂H₄OC(O)HFPO)—

O]_g—

[Si(Me)₂-O]_d—

Si(Me)₃, (Me)₃Si—

O—

[Si(Me)(H)—

O]_c—

[Si(Me)(C₃H₆NHC(O)HFPO)—

O]_g—

[Si(Me)₂-O]_d—

Si(Me)₃, (C₄F₉CH₂CH₂)Si(Me)₂-O—

[Si(Me)(C₂H₄C₄F₉)—

O]_b—

[Si(Me)(H)—

O]_c—

Si(Me)₂(CH₂CH₂C₄F₉), or combinations thereof,

wherein

d is 0 to 2000;

e is 0 to 2000;

g is 1 to 2000,

with the proviso that d+e+g is at least 5.

20. The article according to claim 12, wherein the mixture further comprises a hydrosilylation catalyst.

21. The article according to claim 1, wherein the at least one fluoroalkyl pendent siloxane comprises:

22. The article according to claim 21, wherein the mixture further comprises a hydrosilylation catalyst.

23. The article according to claim 1 wherein the mixture further comprises at least one compound having the following formula:

24. The article according to claim 1, wherein the infrared light absorbing particle is antimony tin oxide.

25. The article according to claim 1 further comprising and adhesive layer.

26. A light control article for blocking infrared light from an infrared light source comprising:

art infrared light reflecting multilayer film having alternating layers of a first polymer type and a second polymer type;

a hardcoat layer disposed on the multilayer film, wherein said hardcoat layer comprises the reaction product of a hardcoat composition, the hardcoat composition comprising;

at least one organic polyethylenically unsaturated compound;

at least one fluoroalkyl pendent siloxane compound;

infrared light absorbing nanoparticles; and

at least one polymerization initiator; and

a substrate disposed adjacent the infrared light reflecting multilayer film.

27. The light control article according to claim 26 further comprising a pressure sensitive adhesive layer disposed between the infrared light reflecting multilayer film and the glass substrate.

28. The light control article according to claim 26 further comprising a tear resistant polymeric film.

29. The light control article according to claim 26, wherein the hardcoat layer has a thickness in a range from 1 to 20 micrometers.