Polymer structure and applications thereof

1 . A polymer structure, which comprises a substrate and a light shielding layer, wherein the substrate has a surface at least partially covered by the light shielding layer, wherein the substrate comprises a first polymer, the light shielding layer has a thickness of 5 μm to 200 μm and comprises a second polymer, wherein the first polymer is a thermoplastic aromatic polyurethane and the second polymer is a thermoplastic aromatic polyurethane, wherein the second polymer comprises: a structural unit derived from a first ultraviolet absorber; triethylene glycol bis(3-tert-butyl-4-hydroxy-5-methylphenyl) propionate; benzoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, 4-(1,1-dimethylethyl)-2-[5-(1,1-dimethylethyl)-2,3-dihydro-2-oxo-3-benzofuranyl]phenyl ester; 3,9-bis(2,4-bis(1,1-dimethylethyl) phenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5) undecane; and 2,4-bis [N-butyl-N-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)amino]-6-(2-hydroxyethylamine)-1,3,5-triazine, and wherein the first ultraviolet absorber is represented by the following chemical formula (I):

in chemical formula (I), R1 is H or Cl,

wherein based on the total weight of the second polymer, the content of the first ultraviolet absorber ranges from 10 wt % to 20 wt %, and

wherein the polymer structure has a visible light transmittance of 65% or more.

2 . The polymer structure of claim 1 , wherein the light shielding layer at least covers a light-receiving surface of the substrate.

3 . The polymer structure of claim 2 , wherein the substrate and the light shielding layer independently comprise an additive selected from the group consisting of a defoaming agent, a leveling wetting agent, a thickener, a dispersing agent, micronized wax, a matting powder, an antibacterial agent, a metal oxide-based light screening agent, a light stabilizer, a thermal stabilizer, a non-reactive ultraviolet absorber, a monofunctional reactive ultraviolet absorber, an antioxidant, a filler, a flame retardant, a plasticizer, a dye, a pigment, a brightener, an antistatic agent, a fluorescent whitening agent, an antideteriorant, a metal stabilizer, an acid absorbent, an anti-hydrolysis agent, wax, and combinations thereof.

4 . The polymer structure of claim 1 , wherein the substrate and the light shielding layer independently comprise an additive selected from the group consisting of a defoaming agent, a leveling wetting agent, a thickener, a dispersing agent, micronized wax, a matting powder, an antibacterial agent, a metal oxide-based light screening agent, a light stabilizer, a thermal stabilizer, a non-reactive ultraviolet absorber, a monofunctional reactive ultraviolet absorber, an antioxidant, a filler, a flame retardant, a plasticizer, a dye, a pigment, a brightener, an antistatic agent, a fluorescent whitening agent, an antideteriorant, a metal stabilizer, an acid absorbent, an anti-hydrolysis agent, wax, and combinations thereof.

5 . A method for preparation of an ultraviolet-resistant article, which comprises utilizing the polymer structure of claim 1 .

6 . The method of claim 5 , wherein the article is selected from the group consisting of a transparent housing, an electronic product member, an outer material for solar panels, a transportation vehicle member, a clothing material, an optical article, an architectural member, a wind power member, an agricultural member, a military-industrial article, an external viewing surface of display, a film, a thin sheet, and an explosion-proof panel.

7 . The method of claim 5 , wherein the article is selected from the group consisting of a wrap film for vehicles, a lamp cup, a housing for mobile devices, a housing for vehicles, a car lamp, a vehicle interior trim material, a windscreen, a side-window glass, a window, a door, a color filter, clothes, pants, a coat, shoes, an optical lens, an optical element, a photochromic lens, a contact lens, a roof film, a roof tile, a roof lining, eaves, a wall material, a floor material, a road construction member, a conduit material, a signboard, a sun visor, a greenhouse covering film, a backlight, a windmill component, a transparent aircraft component, a radome, an explosion-proof glass, a bullet-proof panel, a transparent screen film, a conductive film, a microwave absorbing film, a thermal transfer film, a packaging film, and a low-resistance film.

8 . A method for preparation of an ultraviolet-resistant article, which comprises utilizing the polymer structure of claim 2 .

9 . The method of claim 8 , wherein the article is selected from the group consisting of a transparent housing, an electronic product member, an outer material for solar panels, a transportation vehicle member, a clothing material, an optical article, an architectural member, a wind power member, an agricultural member, a military-industrial article, an external viewing surface of display, a film, a thin sheet, and an explosion-proof panel.

10 . The method of claim 8 , wherein the article is selected from the group consisting of a wrap film for vehicles, a lamp cup, a housing for mobile devices, a housing for vehicles, a car lamp, a vehicle interior trim material, a windscreen, a side-window glass, a window, a door, a color filter, clothes, pants, a coat, shoes, an optical lens, an optical element, a photochromic lens, a contact lens, a roof film, a roof tile, a roof lining, eaves, a wall material, a floor material, a road construction member, a conduit material, a signboard, a sun visor, a greenhouse covering film, a backlight, a windmill component, a transparent aircraft component, a radome, an explosion-proof glass, a bullet-proof panel, a transparent screen film, a conductive film, a microwave absorbing film, a thermal transfer film, a packaging film, and a low-resistance film.

11 . A method for preparation of an ultraviolet-resistant article, which comprises utilizing the polymer structure of claim 4 .

12 . The method of claim 11 , wherein the article is selected from the group consisting of a transparent housing, an electronic product member, an outer material for solar panels, a transportation vehicle member, a clothing material, an optical article, an architectural member, a wind power member, an agricultural member, a military-industrial article, an external viewing surface of display, a film, a thin sheet, and an explosion-proof panel.

13 . The method of claim 11 , wherein the article is selected from the group consisting of a wrap film for vehicles, a lamp cup, a housing for mobile devices, a housing for vehicles, a car lamp, a vehicle interior trim material, a windscreen, a side-window glass, a window, a door, a color filter, clothes, pants, a coat, shoes, an optical lens, an optical element, a photochromic lens, a contact lens, a roof film, a roof tile, a roof lining, eaves, a wall material, a floor material, a road construction member, a conduit material, a signboard, a sun visor, a greenhouse covering film, a backlight, a windmill component, a transparent aircraft component, a radome, an explosion-proof glass, a bullet-proof panel, a transparent screen film, a conductive film, a microwave absorbing film, a thermal transfer film, a packaging film, and a low-resistance film.

14 . A method for preparation of an ultraviolet-resistant article, which comprises utilizing the polymer structure of claim 3 .

15 . The method of claim 14 , wherein the article is selected from the group consisting of a transparent housing, an electronic product member, an outer material for solar panels, a transportation vehicle member, a clothing material, an optical article, an architectural member, a wind power member, an agricultural member, a military-industrial article, an external viewing surface of display, a film, a thin sheet, and an explosion-proof panel.

16 . The method of claim 14 , wherein the article is selected from the group consisting of a wrap film for vehicles, a lamp cup, a housing for mobile devices, a housing for vehicles, a car lamp, a vehicle interior trim material, a windscreen, a side-window glass, a window, a door, a color filter, clothes, pants, a coat, shoes, an optical lens, an optical element, a photochromic lens, a contact lens, a roof film, a roof tile, a roof lining, eaves, a wall material, a floor material, a road construction member, a conduit material, a signboard, a sun visor, a greenhouse covering film, a backlight, a windmill component, a transparent aircraft component, a radome, an explosion-proof glass, a bullet-proof panel, a transparent screen film, a conductive film, a microwave absorbing film, a thermal transfer film, a packaging film, and a low-resistance film.