Polymer-based construction materials
Aspects described herein are directed to compositions, systems, and methods of manufacturing a polymer-based construction material comprising polymeric resin, filler such as calcium carbonate (CaCO 3 ), and titanium oxide (TiO 2 ). A surface of the polymer-based construction material may be treated such that the surface energy is increased from the material's inherent value to a predetermined value of at least 40 dynes/cm 2 . Further, the surface energy of the treated surface may persist within 20% of the predetermined value for at least three days.
1. A method of preparing a polymer-based construction material for future surface painting, the method comprising:
in response to a treatment of a surface of the polymer-based construction material, increasing a surface energy of the surface from a first surface energy to a second surface energy of at least 40 dynes/cm 2 , the polymer-based construction material comprising a polymeric composition comprising a polymeric resin, a filler, and titanium oxide (TiO 2 );
wherein the surface energy of the surface persists within 20% of the second surface energy for at least three months from the treatment of the surface.
2. The method of claim 1 , wherein the treatment comprises a non-mechanical treatment of the surface or a mechanical treatment of the surface.
3. The method of claim 2 , wherein the treatment includes the non-mechanical treatment and the non-mechanical treatment comprises a plasma or corona treatment.
4. The method of claim 2 , wherein the treatment includes the non-mechanical treatment and the non-mechanical treatment comprises an application of a UV curable composition, the UV curable composition including a monomer, oligomer, adhesion promoter, gloss adjusting filler, photoinitaitor, or pigment; and wherein the method further comprises:
curing the application of the UV curable composition with radiation from a mercury arc lamp, a microwave powered sealed mercury arc lamp, or LED array;
wherein the radiation is between 350 nm and 420 nm.
5. The method of claim 2 , wherein the treatment includes the mechanical treatment and wherein the mechanical treatment comprises sanding or scuffing the surface.
6. The method of claim 1 , wherein the surface energy of the surface persists within 20% of the second surface energy for at least six months from the treatment of the surface.
7. The method of claim 1 , wherein the TiO 2 is present in an amount of ≤7% by weight of the polymer-based construction material.
8. The method of claim 1 , wherein the CaCO 3 is present in an amount of ≥8% by weight of the polymer-based construction material.
9. The method of claim 1 , wherein the polymer-based construction material is a siding component, trim board, deck board, shingle, corner board, or a portion of a column wrap, post cover, or molding.
10. A polymer-based construction material comprising:
a polymeric resin, a thermal stabilizer, calcium carbonate (CaCO 3 ), and titanium oxide (TiO 2 ), wherein in response to a treatment of a surface or the polymer-based construction material, a surface energy of the surface increases from a first surface energy to a second surface energy of at least 45 dynes/cm 2 , and wherein the surface energy of the surface persists within 20% of the second surface energy for at least three months from the treatment.
11. The polymer-based construction material of claim 10 , wherein the treatment comprises a non-mechanical treatment of the surface or a mechanical treatment of the surface.
12. The polymer-based construction material of claim 11 , wherein the treatment includes the non-mechanical treatment and wherein the non-mechanical treatment comprises an application of a UV curable composition, the UV curable composition including a monomer, oligomer, adhesion promoter, gloss adjusting filler, photoinitiator, or pigment; and wherein the non-mechanical treatment further comprises:
curing the application of the UV curable composition with radiation from a mercury arc lamp, a microwave powered sealed mercury arc lamp, or LED array;
wherein the radiation is between 350 nm and 420 nm.
13. The polymer-based construction material of claim 11 , wherein the mechanical treatment comprises sanding or scuffing the surface.
14. The polymer based construction material of claim 10 , wherein the surface energy of the surface persists within 20% of the second surface energy for at least six months from the treatment of the surface.
15. The polymer-based construction material of claim 10 , wherein the polymer-based construction material is a siding component, trim board, deck board, shingle, corner board, or a portion of a column wrap, post cover, or molding.
16. The polymer-based construction material of claim 10 , wherein the polymer-based construction material comprises polyvinyl chloride.
17. The polymer-based construction material comprising:
a first surface;
a second surface, wherein the first surface and the second surface are formed from a common foamed polymeric composition comprising a polyvinyl chloride in the range of 70% 75% by weight, calcium carbonate (CaCO 3 ) in the range of 15%-13% by weight, and titanium oxide (TiO 2 ) in the range of 0.8% -0.6% by weight;
the first surface having a first surface energy of at least 45 dynes/cm 2 and the second surface having a second surface energy, the first surface energy is greater than the second surface energy and persists within 20% of the first surface energy for at least three months.
18. The polymer-based construction material of claim 17 , further comprising a third surface with a thickness in a range of 5 microns and 37 microns, wherein the first surface is at least partially covered by the third surface, and wherein the third surface comprises a UV curable material, monomer, oligomer, adhesion promoter, gloss adjusting filler, photoinitiator, or pigment.
19. The polymer-based construction material of claim 17 , wherein the surface energy of the first surface persists within 20% of the second surface energy for at least six months from treatment of the surface.