NANOCELLULAR FOAM WITH SOLID FLAME RETARDANT
    42.
    发明申请
    NANOCELLULAR FOAM WITH SOLID FLAME RETARDANT 有权
    具有固体阻燃剂的纳米泡沫

    公开(公告)号:US20170002162A1

    公开(公告)日:2017-01-05

    申请号:US15109935

    申请日:2015-03-18

    Abstract: Prepare nanofoam by (a) providing an aqueous solution of a flame retardant dissolved in an aqueous solvent, wherein the flame retardant is a solid at 23° C. and 101 kiloPascals pressure when in neat form; (b) providing a fluid polymer composition selected from a solution of polymer dissolved in a water-miscible solvent or a latex of polymer particles in a continuous aqueous phase; (c) mixing the aqueous solution of flame retardant with the fluid polymer composition to form a mixture; (d) removing water and, if present, solvent from the mixture to produce a polymeric composition having less than 74 weight-percent flame retardant based on total polymeric composition weight; (e) compound the polymeric composition with a matrix polymer to form a matrix polymer composition; and (f) foam the matrix polymer composition into nanofoam having a porosity of at least 60 percent.

    Abstract translation: 通过(a)提供溶解在水性溶剂中的阻燃剂的水溶液来制备纳米纤维,其中阻燃剂在23℃为固体,并且在整齐的形式下为101千帕斯卡压力; (b)提供流体聚合物组合物,其选自溶解在水混溶性溶剂中的聚合物溶液或在连续水相中的聚合物颗粒的胶乳; (c)将阻燃剂的水溶液与流体聚合物组合物混合以形成混合物; (d)从混合物中除去水和溶剂(如果存在),以产生基于总聚合物组合物重量具有小于74重量%阻燃剂的聚合物组合物; (e)将聚合物组合物与基质聚合物复合以形成基质聚合物组合物; 和(f)将基质聚合物组合物发泡成具有至少60%的孔隙率的纳米电
    雾。

    Suncare compositions
    47.
    发明授权

    公开(公告)号:US11058613B2

    公开(公告)日:2021-07-13

    申请号:US16634320

    申请日:2018-06-28

    Abstract: A suncare formulation comprising: a dermatologically acceptable organic carrier; a UV radiation absorbing agent; and an SPF booster; wherein the SPF booster comprises a multistage polymeric particle having a core comprising polymerized units of a monoethylenically unsaturated carboxylic acid core monomer and a non-ionic ethylenically unsaturated core monomer; an inner shell comprising polymerized units of a non-ionic ethylenically unsaturated inner shell monomer; a monoethylenically unsaturated carboxylic acid inner shell monomer and an aliphatic inner shell monomer; an outer shell comprising polymerized units of a non-ionic ethylenically unsaturated outer shell monomer; an aliphatic outer shell monomer; a monoethylenically unsaturated non-carboxylic acid outer shell monomer and an ethylenically unsaturated surfactant outer shell monomer; wherein the core, when dry, contains a void; wherein the multistage polymeric particle has an average particle size, when dry, of 50 to 1,000 nm.

    ADDITIVE COMPOSITION AND METHOD
    48.
    发明申请

    公开(公告)号:US20200148810A1

    公开(公告)日:2020-05-14

    申请号:US16632043

    申请日:2018-07-10

    Abstract: An additive comprising an active; the interfacial polymerization reaction product of a (poly)isocyanate and a polyamine; a copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; wherein at least a portion of the maleic anhydride-based repeat units are neutralized. A method of preparing an additive comprising providing an oil phase comprising an active, a solvent, a (poly)isocyanate; providing an aqueous phase comprising water and an emulsifier; mixing the oil phase and the aqueous phase to provide an emulsion; providing a polyamine to the emulsion; providing an aqueous dispersion or solution comprising a copolymer having maleic anhydride-based repeat units and either or both of olefinic or styrenic-based repeat units; wherein at least a portion of the maleic anhydride-based repeat units are neutralized; and cofeeding the emulsion and the aqueous dispersion or solution to a spray dryer.

Patent Agency Ranking