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公开(公告)号：US11370708B2
公开(公告)日：2022-06-28
申请号：US17075316
申请日：2020-10-20
Applicant: James Hardie Technology Limited
Inventor： Xiangyuan Liu , Huagang Zhang , Jongmin Keum , Yongjun Chen , Yan Li , Weiling Peng , Thinh Pham , Farshad J. Motamedi , Lijun Mao , Thomas Mueller
Abstract: A fiber cement material formulation comprising a cementitious binder, a siliceous material, fiber, alumina trihydrate and a bifunctional low density additive wherein the bifunctional low density additive comprises any one or more of diatomaceous earth, recycled autoclave fiber cement dust or cellulose dust. The fiber cement material formulation optionally further comprises a secondary low density additive which may be perlite. In some embodiments, a fiber cement article manufactured from the fiber cement material formulation comprises a density of approximately 1.1 g/cm3 or below.
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公开(公告)号：US09567260B2
公开(公告)日：2017-02-14
申请号：US14440249
申请日：2013-10-31
Applicant: James Hardie Technology Limited
Inventor： Thinh Pham , Nandakumar Natarajan
CPC classification number: C04B14/308 , B01J13/02 , C04B14/04 , C04B14/30 , C04B14/301 , C04B14/303 , C04B20/0036 , C04B28/02
Abstract: Disclosed herein are synthetic microparticles substantially free of monovalent and divalent metal elements and a method of forming such synthetic microparticles. The synthetic microparticle may be suitable for use as a density modifying filler. The synthetic microsphere can be made from an agglomerate precursor that includes an aluminosilicate material, such as fly ash, a blowing agent such as sugar, carbon black, and silicon carbide, and a binding agent. The synthetic microsphere is produced when the precursor is fired at a pre-determined temperature profile so as to form either solid or hollow synthetic microspheres depending on the processing conditions and/or components used. The synthetic microparticle is capable of being formed into a large range of predetermined shapes.
Abstract translation: 本文公开了基本上不含一价和二价金属元素的合成微粒和形成这种合成微粒的方法。 合成微粒可适合用作密度改性填料。 合成微球可以由包括硅酸铝材料如粉煤灰，发泡剂如糖，碳黑和碳化硅的结块剂前体和粘合剂制成。 当前体以预定的温度曲线烧制时，产生合成微球，以便根据所使用的加工条件和/或组分形成固体或中空合成微球。 合成微粒能够形成大范围的预定形状。
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公开(公告)号：US20150315075A1
公开(公告)日：2015-11-05
申请号：US14440249
申请日：2013-10-31
Applicant: JAMES HARDIE TECHNOLOGY LIMITED
Inventor： Thinh Pham , Nandakumar Natarajan
CPC classification number: C04B14/308 , B01J13/02 , C04B14/04 , C04B14/30 , C04B14/301 , C04B14/303 , C04B20/0036 , C04B28/02
Abstract: Disclosed herein are synthetic microparticles substantially free of monovalent and divalent metal elements and a method of forming such synthetic microparticles. The synthetic microparticle may be suitable for use as a density modifying filler. The synthetic microsphere can be made from an agglomerate precursor that includes an aluminosilicate material, such as fly ash, a blowing agent such as sugar, carbon black, and silicon carbide, and a binding agent. The synthetic microsphere is produced when the precursor is fired at a pre-determined temperature profile so as to form either solid or hollow synthetic microspheres depending on the processing conditions and/or components used. The synthetic microparticle is capable of being formed into a large range of predetermined shapes.
Abstract translation: 本文公开了基本上不含一价和二价金属元素的合成微粒和形成这种合成微粒的方法。 合成微粒可适合用作密度改性填料。 合成微球可以由包括硅酸铝材料如粉煤灰，发泡剂如糖，碳黑和碳化硅的结块剂前体和粘合剂制成。 当前体以预定的温度曲线烧制时，产生合成微球，以便根据所使用的加工条件和/或组分形成固体或中空合成微球。 合成微粒能够形成大范围的预定形状。
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