NANOCELLULAR FOAM WITH SOLID FLAME RETARDANT
    3.
    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。

    COATED FILMS AND PACKAGES FORMED FROM SAME
    4.
    发明申请

    公开(公告)号:US20190105884A1

    公开(公告)日:2019-04-11

    申请号:US16094627

    申请日:2017-05-25

    Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a coated film comprises (a) a film comprising (i) a first layer comprising from 70 to 100 percent by weight of a polyethylene having a density 0.930 g/cm3 or less and a peak melting point of less than 126° C.; (ii) a second layer comprising from 60 to 100 percent by weight polyethylene having a density of 0.905 to 0.970 g/cm3 and a peak melting point in the range of 100° C. to 135° C.; and (iii) at least one inner layer between the first layer and the second layer comprising from 40 to 100 percent by weight of a polyethylene having a density from 0.930 to 0.970 g/cm3 and a peak melting point in the range of 120° C. to 135° C., wherein the polyethylene is a medium density polyethylene or a high density polyethylene; and (b) a coating on an outer surface of the second layer of the film comprising a crosslinked polyurethane, wherein the coating is substantially free of isocyanate groups. In some embodiments, the coated film is thermally resistant when subjected to a W-fold test at a temperature of at least 230° F., and/or has a gloss of at least 70 units at 60°.

    HIGH POROSITY MESOPOROUS SILICEOUS STRUCTURES
    5.
    发明申请
    HIGH POROSITY MESOPOROUS SILICEOUS STRUCTURES 有权
    高密度多孔硅质结构

    公开(公告)号:US20140295165A1

    公开(公告)日:2014-10-02

    申请号:US14352423

    申请日:2012-11-19

    CPC classification number: C01B33/128 C01B33/12 C01B37/02 Y10T428/249921

    Abstract: A process comprising: A) contacting one or more of sources of silicon oxide, selected from water sol-uble.silica sources arid alkali metal silicates, with an aqueous reaction medium, comprising one or more nonionic surfactants and thereby forming mesoporous structures comprising crosslinked silicon oxide units, wherein said cross-linked silicon oxide units have pores of about 1 to about 100 nanometers and wherein the aqueous reaction medium exhibits a pH of about 0 to about 4.0; B) exposing the aqueous reaction medium containing the mesoporous structures to elevated temperatures for a time sufficient to achieve the desired structure and pore size. Preferred water soluble silica sources comprise silicic acid, or po!ysilicic acids, The aqueous reaction, medium is prepared by combining one or more nonionic surfactants and water, theteby forming an aqueous, reaction medium. comprising micelles. Preferably, the aqueous reaction medium further comprises, a. micelle swelling agent capable of swelling micelles formed by the surfactant in the aqueous reaction medium. In one embodiment the process forms structures with struts comprised of crosslinked silicon oxides which connect at least some of the pore forming structures.

    Abstract translation: 一种方法,包括:A)将一种或多种选自水溶性二氧化硅源和碱金属硅酸盐的氧化硅源与含有一种或多种非离子表面活性剂的含水反应介质接触,从而形成包含交联硅 氧化物单元,其中所述交联的氧化硅单元具有约1至约100纳米的孔,并且其中所述水性反应介质的pH为约0至约4.0; B)将含有介孔结构的含水反应介质暴露于升高的温度足以实现所需结构和孔径的时间。 优选的水溶性二氧化硅源包括硅酸或聚硅酸。通过形成水性反应介质,通过组合一种或多种非离子表面活性剂和水来制备含水反应介质。 包括胶束。 优选地,水性反应介质还包含a。 能够在水性反应介质中溶胀由表面活性剂形成的胶束的胶束溶解剂。 在一个实施方案中,该方法形成具有连接至少一些成孔结构的交联氧化硅的支柱的结构。

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