Synthesis of a linear phosphonitrilic chloride catalyst

Details Synthesis of a linear phosphonitrilic chloride catalyst Synthesis of a linear phosphonitrilic chloride catalyst

1997-12-31

1999-06-29

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 32, 528 43, C08G 7704

Patent

active

059169931

ABSTRACT:
The present invention relates to a process for the synthesis of a linear phosphonitrilic chloride LPNC catalyst solution in a siloxane medium. The process involves mixing phosphorus pentachloride with a suitable silazane followed by warming the reaction mixture to yield a LPNC catalyst solution.

REFERENCES:
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patent: 5210129 (1993-05-01), de la Habimana et al.
patent: 5403909 (1995-04-01), Rubinsztajn
patent: 5408025 (1995-04-01), Thompson et al.
patent: 5457220 (1995-10-01), Razzano
patent: 5585451 (1996-12-01), Burkus, II et al.
"Elucidation of the Reaction of Phosphorous Pentachloride and Ammonium Chloride by Phosphorus-31 Nuclear Magnetic Resonance Spectroscopy", by J. Emsley et al., Inorganic Physics Theor., May 1970, pp. 3025-3029.

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