Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From ketone or ketene reactant
Patent
1989-02-08
1991-02-26
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From ketone or ketene reactant
528271, 546260, 546261, C07D21300, C07D21362, C08G 218, C08G 1600
Patent
active
049962884
ABSTRACT:
The invention comprises cyclobutarene ketoanhydride monomers and the process for preparing them, and cyclobutarene ketocarboxy monomers. The monomers can be copolymerized with suitable difunctional monomers and subsequently processed to prepared highly crosslinked structures. The monomers can also be used to endcap oligomers with the cyclobutarene functionality. The endcapped oligomer can subsequently be processed to prepare a highly crosslinked network.
REFERENCES:
patent: 4540763 (1985-09-01), Kirchhoff
patent: 4570011 (1986-02-01), So
Enright Charles J.
Hampton-Hightower P.
Kight III John
The Dow Chemical Company
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