C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/1, 117/102
C04B 35/80 (2006.01) C04B 35/84 (2006.01) C04B 41/49 (2006.01) C04B 41/87 (2006.01) C08J 5/24 (2006.01) C08L 83/14 (2006.01)
Patent
CA 2037329
HOE 90/F 067 Abstract of the disclosure: Fiber-reinforced composite materials and process for their preparation The invention relates to fiber composite materials and a process for their preparation. The process comprises impregnating fibers with a molten polysilazane in a first step, converting the polysilazane in the fibers into the non-fusible state in a second step, and heating the impregnated fibers to 800 to 2000°C in a nitrogen, noble gas or ammonia atmosphere in a third step.
Bruck Martin
Kleiner Hans-Jerg
Peuckert Marcellus
Vaahs Tilo
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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