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    VAPOR RETARDING BUILDING MATERIALS AND METHODS FOR MAKING THEM
    5.
    发明申请
    VAPOR RETARDING BUILDING MATERIALS AND METHODS FOR MAKING THEM 审中-公开

    公开(公告)号：US20190003174A1

    公开(公告)日：2019-01-03

    申请号：US16022847

    申请日：2018-06-29

    Applicant: CertainTeed Corporation

    Inventor： Timothy Jerome Coogan ,  Jeffrey H. Peet ,  Valerio Massara ,  Kenneth D. Knapp

    IPC: E04B1/62 ,  C09D7/63 ,  C09D109/08

    Abstract: The present disclosure relates generally to vapor retarding building materials and methods for making them. The present inventors have found simple and cost-efficient materials that have low water vapor permeability at low relative humidities and that can be provided as a coating on a building material substrate. Notably, in many embodiments, the materials can have high water vapor permeability at high relative humidities. In one embodiment, the disclosure provides vapor retarding articles comprising a building material substrate; and a polymeric coating layer coated on the building material substrate, the polymeric coating layer comprising an inorganic hydrophilic particulate filler dispersed in a continuous organic phase comprising a hydrophobic polymer, wherein the content of the filler is from about 30% to about 85% by weight of the polymeric coating layer, the vapor retarding article configured to have a water vapor permeance of no more than about 1 Perm at 25% relative humidity.

    Fiber mat, method of making the fiber mat, and bituminous roofing product
    6.
    发明授权
    Fiber mat, method of making the fiber mat, and bituminous roofing product 有权

    公开(公告)号：US11332881B2

    公开(公告)日：2022-05-17

    申请号：US16238657

    申请日：2019-01-03

    Applicant: CERTAINTEED CORPORATION

    Inventor： Matthew Gacek ,  Nancy E. Brown ,  Jeffrey H. Peet ,  Lucas Giardella ,  Tao Yu

    IPC: D06N5/00 ,  D06N3/00 ,  D04H3/12 ,  E04D1/20

    Abstract: A fiber mat includes an assembly of fibers including a minority portion including a set of polymer fibers and a majority portion including a set of fibers different than the minority portion, wherein the minority portion is a plane parallel to a plane of the majority portion of the assembly of fibers; and a binder including an organic resin, wherein an air permeability of said fiber mat is not substantially different from an equivalent weight fiber mat containing a homogenous mat structure and wherein the fiber mat provides at least a 5% increase in tear when placed in a bituminous roofing product compared to an equivalent bituminous roofing product made with the equivalent weight fiber mat containing the homogenous mat structure.

    FLAME RETARDANT VAPOR RETARDING MEMBRANES
    7.
    发明申请
    FLAME RETARDANT VAPOR RETARDING MEMBRANES 审中-公开

    公开(公告)号：US20190002707A1

    公开(公告)日：2019-01-03

    申请号：US16023595

    申请日：2018-06-29

    Applicant: CertainTeed Corporation

    Inventor： Timothy Jerome Coogan ,  Jeffrey H. Peet ,  Nicholas David Orf

    IPC: C09D5/18 ,  C09D119/02 ,  C08J7/04 ,  B05D5/08

    Abstract: The present disclosure relates generally to flame retarding building materials and methods for making them. More particularly, the present disclosure relates to flame retarding building materials that have both flame retardant character and desirable water vapor permeability values. In one embodiment, the disclosure provides a flame retardant vapor retarding membranes comprising: a building material substrate sheet having a melt viscosity of about 1 Pa·s to about 100,000 Pa·s at about 300° C. at 1 rad/s; and a polymeric coating layer disposed on the building material substrate layer, wherein the coating layer has a melt viscosity of about 1 Pa·s to about 100,000 Pa·s at about 300° C. at 1 rad/s.

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