Styrene-hypophosphite adduct, a process for preparation...

Details Styrene-hypophosphite adduct, a process for preparation... Styrene-hypophosphite adduct, a process for preparation...

2007-05-22

2007-05-22

Szekely, Peter (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C252S609000, C524S099000, C524S100000

Reexamination Certificate

active

10854606

ABSTRACT:
The invention relates to a styrene-hypophosphite adduct of the formula (I)in-line-formulae description="In-line Formulae" end="lead"?{R9[C(Ph(R1, R2, R3, R4, R5))R6—CR7R8]n}mP(O)(O1/x Mx+)(R10)2-min-line-formulae description="In-line Formulae" end="tail"?whereR1, R2, R3, R4, R5, R6, R7and R8are identical or different and are hydrogen, alkyl, linear or branched, aryl, aralkyl, oxoalkyl, oxoaryl, aminoalkyl, and/or aminoaryl,R9is H or a free-radical-initiator radical,R10is H,Mx+is Li, Na, K, Mg, Ca, Sr, Ba, Al, Ge, Sn, Bi, Sb, Pb, Ti, TiO, Zr, ZrO, Zn, Fe, Ce, Mn, and/or a protonated nitrogen base having the valency x,m=1 or 2, andn=from 1 to 100, and is the number of styrene units C(Ph(R1, R2, R3, R4, R5))R6—CR7R8inserted into the P—H bond.

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