摘要:
Roofing granules are prepared by coating granule cores with a coating material including composite nanoparticles and curing the coating layer to dissolve the aggregate binder and disperse the nanoparticles in the coating.
摘要:
Roofing granules are prepared by coating granule cores with a coating material including composite nanoparticles and curing the coating layer to dissolve the aggregate binder and disperse the nanoparticles in the coating.
摘要:
A roofing granule can include a base particle having a base material and a layer covering the base particle of the roofing granule. The layer can has a first material and a second material that includes a metal carbonate, wherein the first and second materials include a same metal element, and the base material is different from the first material. In a process of forming the roofing granule, the layer can have pores. The process can include infiltrating a fluid into the pores of the layer while the base particle is present and adjacent to the layer, wherein the fluid includes a carbonate. The process can further include reacting the carbonate with a metal compound within the layer to form a metal carbonate within the layer. The roofing granules can be used in roofing products.
摘要:
A photovoltaic module includes an encapsulated photovoltaic element and an infrared-transmissive decorative overlay simulating conventional roofing.
摘要:
A photovoltaic module includes an encapsulated photovoltaic element and an infrared-transmissive decorative overlay simulating conventional roofing.
摘要:
Algae-resistant roofing granules include a mineral core and an exterior coating including clay, colloidal silica, phosphate, a metal oxide, and a photocatalytic particulate having an average size under 100 nm. By varying the proportions of the components to the binder for the exterior coating, improved control of the pot life of the coating composition can be achieved, and the binder can be formulated to accommodate different manufacturing conditions.
摘要:
A photovoltaic module includes an encapsulated photovoltaic element and an infrared-transmissive decorative overlay simulating conventional roofing.
摘要:
Solar-reflective roofing granules having improved solar heat-resistance are formed by coating colored mineral particles with a coating composition including titanium dioxide nanoparticles.
摘要:
Roofing granules include a core having an average ultraviolet transmission of greater than sixty percent and an average near infrared reflectance of greater than sixty percent and a UV coating layer on the exterior surface. The coating provides UV opacity, while the core provides near infrared reflectance.
摘要:
Solar-reflective roofing granules having improved solar heat-resistance are formed by coating colored mineral particles with a coating composition including titanium dioxide nanoparticles.