GRANULES COMPRISING SILICA AND TITANIA
    6.
    发明申请
    GRANULES COMPRISING SILICA AND TITANIA 审中-公开
    包含二氧化硅和钛铁粉的颗粒

    公开(公告)号:US20120302436A1

    公开(公告)日:2012-11-29

    申请号:US13576187

    申请日:2011-03-09

    CPC classification number: C09C1/0081 C09C1/30 C09C1/3607

    Abstract: A granulated material comprising a mixed silicon-titanium oxide powder, wherein a proportion of TiO2 is from 70 to 98 wt %, a proportion of SiO2 is from 2 to 30 wt %, and a sum of TiO2 and SiO2 is at least 98% by weight, and wherein: at room temperature, the TiO2 proportion comprises rutile and more than 50% of anatase, the BET surface area is from 10 to 200 m2/g, and the volume of 2 to 50 nm pores is from 0.4 to 2.5 ml/g; and after heating at 900° C. for a period of 4 hours, the anatase proportion is more than 50% of the room temperature proportion, the BET surface area is at least 60% of the room temperature BET surface area, and the volume of 2 to 50 nm pores is at least 50% of the room temperature volume.

    Abstract translation: 一种粒状材料,其包含混合的硅 - 氧化钛粉末,其中TiO 2的比例为70-98重量%,SiO 2的比例为2-30重量%,并且TiO 2和SiO 2的总和为至少98% 重量,其中:在室温下,TiO 2比例包含金红石和超过50%的锐钛矿,BET表面积为10〜200m 2 / g,2〜50nm孔体积为0.4〜2.5ml /G; 在900℃加热4小时后,锐钛型比例大于室温比例的50%,BET表面积为室温BET表面积的至少60% 2至50nm的孔隙是室温体积的至少50%。

    Surface-modified silicas
    8.
    发明授权
    Surface-modified silicas 有权
    表面改性二氧化硅

    公开(公告)号:US07972431B2

    公开(公告)日:2011-07-05

    申请号:US12441992

    申请日:2007-09-11

    Abstract: Surface-modified silicas Surface-modified, highly structured, potassium oxide-doped silicas, characterized by BET surface area, m2/g: 25-400 average primary particle size, nm: 5-50 pH: 3-10 carbon content, % by weight: 0.1-10 potassium oxide content, % by weight: 0.000001-40 are prepared by subjecting a potassium oxide-doped silica to surface modification. It can be used as a filler in silicone rubber compositions.

    Abstract translation: 表面改性二氧化硅表面改性,高度结构化的氧化钾掺杂二氧化硅,其特征在于BET表面积,m2 / g:25-400平均一次粒径,nm:5-50 pH:3-10碳含量,% 重量:0.1-10氧化钾含量,重量%:0.000001-40是通过使掺杂氧化钾的二氧化硅进行表面改性来制备的。 它可以用作硅橡胶组合物中的填料。

Patent Agency Ranking