Phosphorus-containing polymers and a process for the preparation thereof
Abstract
Abstract POLYPHOSPHONATES, USEFUL AS A PLASTIC MATERIAL, AS A PLASTICIZER AND AS AN ADDITIVE, REPRESENTED BY THE GENERAL FORMULA (4-R,2-(O=)-1,3,2-DIOXAPHOSPHOLAN-2-YL)-CH(-R1)-(P(=O) (O-C2H3RCL)-O-CH(-R1))N-P(=O)(-O-R'')-O-R" WHEREIN N REPRESENTS AN INTEGER OF 1 OR MORE; R REPRESENTS A HYDROGEN ATOM, AN ALKYL GROUP HAVING 1 TO 4 CARBON ATOMS OR A HALOALKYL GROUP HAVING 1 TO 4 CARBON ATOMS; R1 REPRESENTS A HYDROGEN ATOM, AN ALKYL GROUP HAVING 1 TO 6 CARBON ATOMS, A PHENYL GROUP, AN ALKENYL GROUP OR A CYCLOHEXYL GROUP; AND R'' AND R" WHICH MAY BE THE SAME OR DIFFERENT AND MAY FORM A PHOSPHORAN RING, EACH REPRESENT AN ALKYL GROUP HAVING 1 TO 6 CARBON ATOMS, A HALOALKYL GROUP HAVING 1 TO 6 CARBON ATOMS OR AN ARYL GROUP AND A PROCESS FRO THE PREPARATION OF THE SAME WHICH COMPRISES REACTING A CYCLIC CHORPHOSPHITE WITH AN ALDEHYDE IN THE PRESENCE OF AN ORGANIC PHOSPHITE.
Inventors
- 👤 Sumitaka Nogami
- 👤 Masaki Ishigami
- 👤 Jiro Kurita
Bibliographic Details
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