Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1977-01-31
1978-01-10
Hamrock, William F.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
260 775AR, 526 27, C08F 1822
Patent
active
040680657
ABSTRACT:
Homopolymers of the diacrylates, dimethacrylates, di(2-haloacrylates) and di(2-cyanoacrylates) of 1-dialkanolaminophospholene-1-oxides and the copolymers of the above esters with lower-alkyl acrylates, methacrylates, 2-chloroacrylates and 2-cyanoacrylates are described. These polymers are useful as catalysts in the conversion of organic isocyanates to the corresponding carbodiimides.
REFERENCES:
patent: 3855186 (1977-12-01), Moldvitizer
patent: 3855353 (1977-12-01), Moldvitizer
Firth Denis A.
Hamrock William F.
Kekich John
The Upjohn Company
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