Production of infusible polycarbosilanes convertible into silico

Details Production of infusible polycarbosilanes convertible into silico Production of infusible polycarbosilanes convertible into silico

1989-11-27

1991-11-12

Marquis, Melvin I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 31, 528 33, 528 35, C08F28300

Patent

active

050649159

ABSTRACT:
Infusible and insoluble polycarbosilanes, readily pyrolyzed into silicon carbide ceramic materials, e.g., SiC fibers, are produced by hardening a fusible polycarbosilane containing at least two .tbd.SiH groups per molecule via intimately contacting such fusible polycarbosilane with an effective hardening amount of the vapors of sulfur.

REFERENCES:
patent: 3853567 (1974-12-01), Verbeek
patent: 4719273 (1988-01-01), Seyferth et al.

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