IP Library › Patent Application 13940589

Patent Application

App. No. 13/940,589

DEMULSIFYING COMPOSITIONS AND METHODS FOR SEPARATING EMULSIONS USING THE SAME

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Patent No.: US None
App. No.: 13/940,589

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Abstract

The present invention provides for a demulsifying composition comprising the reaction product of an oxirane or oxetane compound (I) comprising at least two oxirane or oxetane groups; a compound (II) comprising silicon and one or more amino groups; and optionally a polyamine (III); and a secondary amine (IV).

Claims (198)

1 . A demulsifying composition comprising the non-crosslinked reaction product of

I) an oxirane or oxetane compound (I) comprising at least two oxirane or oxetane groups;

II) a compound (II) comprising silicon and one or more amino groups; and optionally

III) a polyamine (III); and

IV) a secondary amine (IV).

2 . The demulsifying composition of claim 1 wherein the oxirane or oxetane compound (I) is selected from the group consisting of siloxanes, silanes, hydrocarbons and polyethers particularly where the oxirane or oxetane compound is a siloxane having the formula:

M a M E b M PE c M H d D e D E f D PE g D H h T i T E j T PE k T H l Q m

with

M=R 1 R 2 R 3 SiO 1/2 ;

M H =R 1 R 2 H SiO 1/2 ;

M PE =R 1 R 2 (—CH 2 CH(R 4 )(R 5 ) n O(C 2 H 4 O) o (C 3 H 6 O) p (C 4 H 8 O) p R 6 )SiO 1/2 ,

M E =R 1 R 2 (R E )SiO 1/2 ;

D=R 1 R 2 SiO 2/2 ; and

D H =R 1 HSiO 2/2 ;

D PE =R 1 (—CH 2 CH(R 4 )(R 5 ) n O(C 2 H 4 O) o (C 3 H 6 O) p (C 4 H 8 O) q R 6 )SiO 2/2 ;

D E =R 1 R E SiO 2/2 ;

T=R 1 SiO 3/2 ;

T H =HSiO 3/2 ;

T PE =(—CH 2 CH(R 4 )(R 5 ) n O(C 2 H 4 O) o (C 3 H 6 O) p (C 4 H 8 O) q R 6 )SiO 3/2 ;

T E =R E SiO 3/2 ; and

Q=SiO 4/2 ;

where R 1 , R 2 and R 3 are each independently selected from the group of monovalent hydrocarbon radicals having from 1 to about 60 carbon atoms; R 4 is H or a 1 to about 6 carbon atom containing alkyl group; R 5 is a divalent alkyl radical of 1 to about 6 carbons; R 6 is H, a monofunctional hydrocarbon radical of 1 to about 6 carbons, or acetyl;

R E is independently a monovalent hydrocarbon radical containing one or more oxirane or oxetane moieties having from two to about sixty carbon atoms subject to the limitation that the oxirane or oxetane compound (I) contains at least two oxirane or oxetane groups;

the subscript a is 0 to about 20

the subscript b is 0 to about 20 subject to the limitation that (b+f+j)>0;

the subscript e is 0 to about 1,000;

the subscript f is 0 to about 400 subject to the limitation that (b+f+j)>0;

the subscript i is 0 to about 50;

the subscript j is 0 to about 30 subject to the limitation that (b+f+j)>0;

the subscript m is 0 to about 20;

the subscript c is 0 to about 20;

the subscript g is 0 to about 200;

the subscript k is 0 to about 30;

the subscript d is 0 to about 20;

the subscript h is 0 to about 20;

the subscript l is 0 to about 30;

the subscript n is zero or one;

the subscript o is 0 to about 100 subject to the limitation that (o+p+q)>0;

the subscript p is 0 to about 100 subject to the limitation that (o+p+q)>0;

the subscript q is 0 to about 100 subject to the limitation that (o+p+q)>0;

or alternatively where the oxirane or oxetane compound (I) has the formula:

(R 7 ) r (R 8 ) s (R 9 ) t (R 10 ) u

where R 7 and R 19 are independently a monovalent hydrocarbon radical containing one or more oxirane or oxetane moieties having from about 2 to about 12 carbon atoms;

R 8 and R 9 are each selected from the group consisting of H or a linear or branched monovalent hydrocarbon radical of 1 to about 200 carbons;

optionally substituted with nitrogen, sulphur and oxygen;

the subscripts r, s, t, and u are independently between zero to about 10 subject to the limitation that (r+u)≧2

or alternatively where the oxirane or oxetane compound (I) is a polyether having the formula:

R 12 O(C 2 H 4 O) w (C 3 H 6 O) x (C 4 H 8 O) y R 13

where R 12 and R 13 are independently a monovalent hydrocarbon radical containing one or more oxirane or oxetane moieties having from 2 to about 12 carbon atoms;

the subscript w is 0 to about 100 subject to the limitation that (w+x+y)>0;

the subscript x is 0 to about 100 subject to the limitation that (w+x+y)>0;

the subscript y is 0 to about 100 subject to the limitation that (w+x+y)>0;

compound (II) comprises silicon and one or more amino groups selected from the group consisting of siloxanes and silanes having the formula:

M aa M A bb M PE cc M H dd M M ee D ff D A gg D PE hh D H ii T jj T A kk T PE ll T H mm Q nn with

R 15 R 16 R 17 SiO 1/2 ;

M H =R 15 R 16 H SiO 1/2 ;

M PE =R 15 R 16 (—CH 2 CH(R 18 )(R 19 ) oo O(C 2 H 4 O) pp (C 3 H 6 O) qq (C 4 H 8 O) rr R 20 )SiO 1/2 ;

M A =R 15 R 16 (R A )SiO 1/2 ;

M M =R 15 R 16 R 17 R A Si;

D=R 16 R 16 SiO 2/2 ;

D H =R 15 R 16 SiO 2/2 ;

D PE =R 15 (—CH 2 CH(R 18 )(R 19 ) oo O(C 2 H 4 O) pp (C 3 H 6 O) qq (C 4 H 8 O) rr R 20 )SiO 2/2 ;

D A =R 15 R A SiO 2/2 ;

T=R 15 SiO 3/2 ;

T H =HSiO 3/2 ;

T PE =(—CH 2 CH(R 18 )(R 19 ) oo O(C 2 H 4 O) pp (C 3 H 6 O) qq (C 4 H 8 O) rr R 20 )SiO 3/2 ;

T A =R A SiO 3/2 ; and

Q=SiO 4/2 ;

where R 15 , R 16 and R 17 are each independently selected from the group of monovalent hydrocarbon radicals having from 1 to about 60 carbon atoms, R 18 is H or a 1 to about 6 carbon atom alkyl group, R 19 is a divalent hydrocarbon radical of 1 to about 6 carbons, R 20 is selected from the group consisting of H, monofunctional hydrocarbon radicals of 1 to about 6 carbons, and acetyl;

R A is independently a monovalent hydrocarbon radical containing one or more amino moieties having from one to about 60 carbon atoms;

the subscript aa is 0 to about 20;

the subscript bb is 0 to about 20 subject to the limitations that the sum of the subscripts bb, ee, gg and kk is greater than zero;

the subscript ee is zero or 1 subject to the limitation that when ee is 1 then all the subscripts aa, bb, cc, dd, ff, gg, hh, ii, jj, kk, ll, mm and nn are zero;

the subscript ff is 0 to about 1,000;

the subscript gg is 0 to about 400 subject to the limitation that the sum of the subscripts bb, ee, gg and kk is greater than zero;

the subscript jj is 0 to about 50;

the subscript kk is 0 to about 30 subject to the limitation that the sum of the subscripts bb, gg and kk is greater than 1;

the subscript nn is 0 to about 20;

the subscript cc is 0 to about 20;

the subscript hh is 0 to about 200;

the subscript ll is 0 to about 30;

the subscript dd is 0 to about 2;

the subscript ii is 0 to about 20;

the subscript mm is 0 to about 30;

the subscript oo is zero or one;

the subscript pp is 0 to about 100 subject to the limitation that (pp+qq+rr)>0;

the subscript qq is 0 to about 100 subject to the limitation that (pp+qq+rr)>0;

the subscript rr is 0 to about 100 subject to the limitation that (pp+qq+rr)>0.

3 . The demulsifying composition of claim 2 wherein compound (I) and compound (II) are reacted in the presence of polyamine compound (III) to produce said reaction product, said polyamine compound (Ill) having the formula:

N(R 21 )(R 22 )A[N(R 23 )(R 24 )] zz ,

where

R 21 , R 22 , R 23 and R 24 are independently chosen from the group consisting of H or a monovalent hydrocarbon radical having 1 to about 20 carbon atoms;

A is selected from a group consisting of a divalent linear or branched hydrocarbon radical having 1 to about 60 carbons or a divalent polydialkyl-siloxane radical, optionally containing S, O or N; and subscript zz is 1 to about 20.

4 . The demulsifying composition of claim 2 wherein the non-crosslinked reaction product has:

the subscript a is 0 to about 10;

the subscript b is 0 to about 10 subject to the limitation that (b+f+j)>0;

the subscript e is 0 to about 500;

the subscript f is 0 to about 100 subject to the limitation that (b+f+j)>0;

the subscript i is 0 to about 10;

the subscript j is 0 to about 10 subject to the limitation that (b+f+j)>0;

the subscript m is 0 to about 10;

the subscript c is 0 to about 15;

the subscript g is 0 to about 100;

the subscript k is 0 to about 20;

the subscript d is 0 to about 10;

the subscript h is 0 to about 10;

the subscript/is 0 to about 10;

the subscript aa is 0 to about 10;

the subscript bb is 0 to about 10 subject to the limitations that the sum of the subscripts bb, ee, gg and kk is greater than zero;

the subscript ff is 0 to about 500;

the subscript gg is 0 to about 100 subject to the limitation that the sum of the subscripts bb, ee, gg and kk is greater than zero;

the subscript jj is 0 to about 30;

the subscript kk is 0 to about 10 subject to the limitation that the sum of the subscripts bb, gg and kk is greater than 1;

the subscript nn is 0 to about 10;

the subscript cc is 0 to about 10;

the subscript hh is 0 to about 100;

the subscript ll is 0 to about 20;

the subscript ii is 0 to about 15; and

the subscript mm is 0 to about 20.

5 . The demulsifying composition of claim 2 wherein;

the subscript a is 0 to about 5;

the subscript b is 0 to about 3 subject to the limitation that (b+f+j)>0;

the subscript e is 0 to about 200;

the subscript f is 0 to about 20 subject to the limitation that (b+f+j)>0;

the subscript i is 0 to about 5;

the subscript j is 0 to about 5 subject to the limitation that (b+f+j)>0;

the subscript m is 0 to about 7.5;

the subscript c is 0 to about 10;

the subscript g is 0 to about 50;

the subscript k is 0 to about 10;

the subscript d is 0 to about 3;

the subscript h is 0 to about 3;

the subscript l is 0 to about 3;

the subscript aa is 0 to about 5;

the subscript bb is 0 to about 5 subject to the limitations that the sum of the subscripts bb, ee, gg and kk is greater than zero;

the subscript ff is 0 to about 200;

the subscript gg is 0 to about 20 subject to the limitation that the sum of the subscripts bb, ee, gg and kk is greater than zero;

the subscript jj is 0 to about 10;

the subscript kk is 0 to about 5 subject to the limitation that the sum of the subscripts bb, gg and kk is greater than 1;

the subscript nn is 0 to about 5;

the subscript cc is 0 to about 5;

the subscript hh is 0 to about 50;

the subscript ll is 0 to about 5;

the subscript ii is 0 to about 5; and

the subscript mm is 0 to about 5.

6 . The demulsifying composition of claim 1 comprising a non-crosslinked reaction product of a polyepoxy-compound with an aminosilane free of alkoxy groups or an aminosilicone having the formula:

wherein R is a divalent organic or silicone group and R′ is a monovalent alkyl or siloxane and x is about 2 to about 1000.

7 . The demulsifying composition of claim 1 wherein the reaction product has the following formula:

wherein X is about 5 to about 30 and Y is about 2 to about 100.

8 . An emulsion comprising the demulsifying composition of claim 1 .

9 . An emulsion comprising the demulsifying composition of claim 2 .

10 . An emulsion comprising the demulsifying composition of claim 3 .

11 . An emulsion comprising the demulsifying composition of claim 4 .

12 . An emulsion comprising the demulsifying composition of claim 5 .

13 . An emulsion comprising the demulsifying composition of claim 6 .

14 . An emulsion comprising the demulsifying composition of claim 7 .

15 . The demulsifying composition of claim 1 further comprising at least one other ingredient selected from the group consisting of additional silicone and organic demulsifiers.

16 . The demulsifying composition of claim 2 further comprising at least one other ingredient selected from the group consisting of additional silicone and organic demulsifiers.

17 . The demulsifying composition of claim 3 further comprising at least one other ingredient selected from the group consisting of additional silicone and organic demulsifiers.

18 . The demulsifying composition of claim 4 further comprising at least one other ingredient selected from the group consisting of additional silicone and organic demulsifiers.

19 . The demulsifying composition of claim 5 further comprising at least one other ingredient selected from the group consisting of additional silicone and organic demulsifiers.

20 . The demulsifying composition of claim 6 further comprising at least one other ingredient selected from the group consisting of additional silicone and organic demulsifiers.

21 . The demulsifying composition of claim 7 further comprising at least one other ingredient selected from the group consisting of additional silicone and organic demulsifiers.

22 . A method for separating emulsions comprising:

(i) incorporating a demulsifying-effective amount of the demulsifying composition of claim 1 into an emulsion;