POLYMER MODIFIED OXIDIZED ASPHALT  COMPOSITION AND METHOD

    公开(公告)号:US20240218183A1

    公开(公告)日:2024-07-04

    申请号:US18092292

    申请日:2022-12-31

    IPC分类号: C08L95/00

    摘要: A method for generating a polymer modified oxidized asphalt is described. The method includes receiving a plurality of polymerizing concentrate components including an aromatic oil, a saturated polymer, an oxidized polymer, and polyisobutylene (“PIB”). The polymerizing concentrate components are then heated to between 350° F. and 450° F. with mixing for between 1 and 7 hours to generate a polymerizing concentrate. The method then mixes the polymerizing concentrate with oxidized asphalt and heated to between 350° F. and 450° F. with mixing for between 15 minutes and 1 hour to generate the polymer modified oxidized asphalt.

    METHOD FOR GENERATING  LOCAL POLYMER CONCENTRATION ASPHALT SHINGLE COATINGS

    公开(公告)号:US20240218206A1

    公开(公告)日:2024-07-04

    申请号:US18092275

    申请日:2022-12-31

    摘要: A method for generating a local polymer concentration (“LPC”) asphalt shingle coating is described. The method includes receiving a plurality of saturated polymer (“SP”) premix components including a rapid digestion process (“RDP”) compound and a sulfur cross-linking agent. The RDP compound is one or more of an unmodified RDP compound, a modified RDP compound, an enhanced RDP compound, and a modified enhanced RDP compound. The SP premix components are then heated in the first vessel to 320-500° F. and mixed for 15-60 minutes to generate a SP premix. The method also includes receiving an asphalt feedstock and a cross-linking polymer in a second vessel. The asphalt feedstock and cross-linking polymer are heated in the second vessel to 320-500° F. and mixed for 1-60 minutes to generate a LPC premix. The method proceeds by receiving the SP premix and the LPC premix in a third vessel and heating the SP premix and LPC premix to 320-500° F. with mixing for 30-240 minutes to generate the LPC asphalt shingle coating.