Alkenylaminoalkane-1,1-diphosphonic acid derivatives and copolym

Details Alkenylaminoalkane-1,1-diphosphonic acid derivatives and copolym Alkenylaminoalkane-1,1-diphosphonic acid derivatives and copolym

1993-03-26

1994-04-12

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526278, 526271, 526264, 526287, C08F23002

Patent

active

053026772

ABSTRACT:
The invention relates to alkenylaminoalkane-1,1-diphosphonic acid derivatives of the formula I ##STR1## in which R.sup.1 to R.sup.5, a, b, and Z have the meaning given in the description and to processes for their preparation. The invention furthermore relates to copolymers comprising 0.1-50 mol %, preferably 1-15 mol %, of at least one alkenylaminoalkane-1,1-diphosphonate unit of the formula I and 99.9-50 mol %, preferably 99-85 mol %, of at least one carboxylic acid unit of the formula II

REFERENCES:
patent: 4678840 (1987-07-01), Fong et al.
patent: 5126418 (1992-06-01), Porz et al.
Ragnetti, M. Tenside, Surfactants, Detergents 26, 30-34 (1989) Note English abstract on p. 30.
Lancaster et al, Polym. Lett. 14, 549-554 (1976).

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