CONTROLLED PARTICLE DEPOSITION FOR A ROOFING SHINGLE

• Main Authors: Shiao, Ming-Liang, Lee, Brian
• Format: Patent
• Language: English
• Published: 19.10.2023
• Subjects: BUILDING; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS; CHEMISTRY; FIXED CONSTRUCTIONS; GLASS; GUTTERS; JOINING GLASS TO GLASS OR OTHER MATERIALS; METALLURGY; MINERAL OR SLAG WOOL; ROOF COVERINGS; ROOF-WORKING TOOLS; SKY-LIGHTS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS; SURFACE TREATMENT OF GLASS

A method includes obtaining a glass mat having a first side and a second side opposite the first side. The method includes coating the first side of the glass mat with a molten asphalt. The method includes obtaining a plurality of particles. The method further includes depositing the particles on the first side of the asphalt coated substrate. The depositing includes controlling a location of the plurality of particles on the first side of the asphalt coated substrate using an electrostatic generator, an electromagnetic generator, or a piezoelectric depositor. The method further includes forming a roofing shingle from the asphalt coated substrate having the plurality of particles as deposited.