ROOFING PRODUCT INCLUDING ROOFING-GRADE ASPHALT MIXTURE AND METHODS OF MAKING THE ROOFING PRODUCT AND THE ROOFING-GRADE ASPHALT MIXTURE

    公开(公告)号:US20210131029A1

    公开(公告)日:2021-05-06

    申请号:US17144465

    申请日:2021-01-08

    申请人: CERTAINTEED LLC

    发明人: Michael J. FRANKS

    摘要: A method of forming a roofing-grade asphalt mixture can include mixing a bio-asphalt including a partially oxidized bio-source material, a bitumen source material different from the bio-asphalt, and particles to form the roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 102° C. and a penetration distance no greater than approximately 20 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 177° C., or any combination thereof. The roofing-grade asphalt mixture can be applied to a base material to form a roofing product.

    POLYACRYLATE MATERIALS
    9.
    发明申请

    公开(公告)号:US20210108064A1

    公开(公告)日:2021-04-15

    申请号:US16982085

    申请日:2019-03-19

    摘要: A composition comprising: (1) 0.1 to 84.0 wt % of a polymeric resin selected from PVC homopolymers, PVC copolymers, CPVC, PLA, SAN, ASA, CPE, EVA, ABS, MBS, polycarbonate, conventional acrylic ester polymers or mixtures thereof; and (2) 16.0 to 99.9 wt % of a polyacrylate resin/material (PAM) composition comprising a polymer (A) phase and a polymer (B) phase present in a ratio of polymer (A) phase/polymer (B) phase of 50/50 to 90/10, polymer (A), having a glass transition temperature Tg below −40° C., comprising 95.0 to 99.5 wt % of a first polymeric component (A1) of one or more mono-ethylenically unsaturated monomers selected from the group consisting of alkyl acrylates having an alkyl group containing from 1 to 8 carbons, and 0.5 to 5.0 wt % of a second polymeric component (A2) of one or more polyethylenically unsaturated monomers, where the double bonds can be of the same or differing reactivity; and polymer (B), having a glass transition temperature Tg above 85° C., comprising a first polymeric component (B1) of one or more monoethylenically unsaturated monomers selected from the group consisting of alkyl methacrylates having an alkyl group containing from 1 to 4 carbons, and optionally, 1.0 to 10.0 wt % of other monomers, based on the total weight of the (B1) component, selected from alkyl acrylates, vinylbenzene or substituted vinylbenzenes or mixtures thereof, and optionally a second polymeric component (B2) comprising 0.3 to 2.5 wt % based on the total weight of polymer (B) of one or more polyethylenically unsaturated monomers where the unsaturated bonds can be of the same or differing reactivity.