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1.发明申请公开(公告)号：US20220098102A1
公开(公告)日：2022-03-31
申请号：US17425056
申请日：2020-01-31
发明人： Hang XU , Jie SHEN , ShengZhong ZHOU , Stefan HIRSEMANN , Andrew TASKER , Josef WEICHMANN , Lei GUO
摘要： The invention relates to a multi-component composition for the manufacture of polyurethane/urea cementitious hybrid system, comprising at least one isocyanate component selected from the group consisting of monoisocyanate, polyisocyanate and NCO terminated prepolymer, at least one polyol, water, catalyst, at least one acidic additive, and hydraulic binder, wherein the acidic additive is at least one selected from the group consisting of Lewis acids, acid precursors and acidic buffers and is in an amount of 0.01 to 3 wt %, based on the total weight of the composition, to the preparation thereof, and to the use of the composition for the preparation of a flooring, waterproofing, screed, grouting, primer, wall paint, roofing or coating in construction applications.
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公开(公告)号：US20220305717A1
公开(公告)日：2022-09-29
申请号：US17619153
申请日：2020-06-10
发明人： Hang XU , ShengZhong ZHOU , Bang Wei XI , Xi Tao LIU , Li Xia WANG , He Meng ZHAO , Bernhard FEICHTENSCHLAGER , Stefan HIRSEMANN
IPC分类号： B29C64/106 , B29C64/209 , B28B1/00 , B28B3/26 , B28B19/00
摘要： The present invention relates to a process of fabricating a multi-layer composite structure by 3D printing, said composite structure comprises at least one cured mortar layer formed by curing of a mortar composition, and at least one polyurethane layer formed by polymerization of a first polyurethane forming composition, wherein said mortar composition and said first polyurethane forming composition are dispensed individually and simultaneously via adjacent printing nozzles. The mortar composition is optionally modified by a second polyurethane forming composition.
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