Catalytic process for the preparation of phosphazene polymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

260 304N, 260 326N, 260 336R, 260 37N, 260829, 260DIG24, 423300, 521 89, 521 94, 521180, C08J 906

Patent

active

041574257

ABSTRACT:
A process is disclosed for the catalytically-induced preparation of phosphazene polymers. Cyclic halophosphazenes are polymerized in the presence of a catalytically sufficient amount of a compound having the formula M(OR').sub.x where M is an alkali metal or alkaline earth metal, x is equal to the valence of the metal and R' is C.sub.1 to C.sub.10 linear or branched alkyl, C.sub.1 to C.sub.10 substituted linear or branched alkyl, the substituent selected from the group consisting of nitro, C.sub.1 to C.sub.10 alkyl, C.sub.1 to C.sub.10 alkoxy, C.sub.6 to C.sub.10 aryl and C.sub.6 to C.sub.10 aryloxy, or N.sub.3 P.sub.3 Cl.sub.z (OR').sub.6-z wherein R' is as defined above and z equals 0 to 5.

REFERENCES:
patent: 3370020 (1968-02-01), Allcock et al.
patent: 3917802 (1975-11-01), Allcock et al.
patent: 4076658 (1978-02-01), Dieck et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Catalytic process for the preparation of phosphazene polymers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalytic process for the preparation of phosphazene polymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalytic process for the preparation of phosphazene polymers will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1708703

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.