Compositions and methods for separating emulsions using the same

Patent metadata

Field	Value
Publication number	US-9623346-B2
Application number	US-84851410-A
Country	US
Kind code	B2
Filing date	Aug 2, 2010
Priority date	Aug 2, 2010
Publication date	Apr 18, 2017
Grant date	Apr 18, 2017

Abstract

The present invention provides for a demulsifying composition comprising a blend of a) an emulsion; and b) a demulsifying-effective amount of a silicon containing co-polymer. The present invention also provides for a method for separating emulsions using the demulsifying composition discussed.

First claim

What is claimed is:

1. A composition comprising
(I) a silicon containing co-polymer comprising at least one compound having the following molecular formula:
R 1 (CH 2 CH 2 O) d CH(CH 3 )CH 2 O) b (CH(CH 2 CH 3 )CH 2 O) c (CH(Z 1/2 R 2 )CH 2 O) a R 5

where R 2 is a group defined as M* f D* g T* h Q* i R 6 j ,
where
M*=R 7 R 8 R 9 SiZ 1/2 ,
D*=R 10 R 11 SiZ 2/2 ,
T*=R 12 SiZ 3/2 ,
Q*=SiZ 4/2 ,
R 6 =—(CH 2 ) 1/2 (R 13 ) k (CH 2 ) 1/2 —, independently selected;
wherein
R 1 is independently selected from —OH or —OC(O)CH 3 or a monovalent hydrocarbon radical having 1 to about 40 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 5 is independently selected from hydrogen or a —C(O)CH 3 group or a monovalent hydrocarbon radical having 1 to about 40 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
Z is independently selected from O or CH 2 groups, subject to the limitation that the molecule contains an even number of O 1/2 and even number of (CH 2 ) 1/2 groups and wherein every O 1/2 group is paired with another O 1/2 group and every (CH 2 ) 1/2 group is paired with another (CH 2 ) 1/2 group in the molecule,
R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are each independently selected from the group of OR 14 or monovalent hydrocarbon radicals having 1 to about 20 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 13 is oxygen or divalent linear or branched, unsaturated or saturated hydrocarbon radical containing at least one and less than about 30 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 14 is a monovalent, linear or branched, unsaturated or saturated hydrocarbon radical having 1 to about 20 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
subscripts a, b, and c are zero or positive subject to the limitation 3<a+b+c+d<about 1000,
subscripts d>1,
subscripts f, g, h, i and j are 0 or positive subject to the limitation f+g+h+i+j<about 300, and,
subscript k is either 0 or 1; and,

(II) an emulsion wherein the concentration of the silicon containing co-polymer (I) in said composition is from about 0.1 ppm to about 10,000 ppm.

2. The silicon containing co-polymer (I) of claim 1 wherein:
R 1 is independently selected from —OH or —OC(O)CH 3 or a monovalent hydrocarbon radical having 1 to about 30 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
R 5 is independently selected from hydrogen or a —C(O)CH 3 group or a monovalent hydrocarbon radical having 1 to about 30 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are each independently selected from the group of OR 14 or monovalent hydrocarbon radicals having 1 to about 15 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
R 13 is oxygen or divalent linear or branched, unsaturated or saturated hydrocarbon radical containing at least one and less than about 25 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 14 is a monovalent, linear or branched, unsaturated or saturated hydrocarbon radical having 1 to about 15 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
subscripts a, b, and c are zero or positive subject to the limitation 3<a+b+c+d<about 750;
subscript d>1
and
subscripts f, g, h, i and j are 0 or positive subject to the limitation f+g+h+l+j<about 200.

3. The silicon containing co-polymer (I) of claim 1 wherein:
R 1 is independently selected from —OH or —OC(O)CH 3 or a monovalent hydrocarbon radical having 1 to about 20 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
R 5 is independently selected from hydrogen or a —C(O)CH 3 group or a monovalent hydrocarbon radical having 1 to about 20 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
R 7 , R 8 , R 9 , R 10 , R 11 and R 12 are each independently selected from the group of OR 14 or monovalent hydrocarbon radicals having 1 to about 10 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
R 13 is oxygen or divalent linear or branched, unsaturated or saturated hydrocarbon radical containing at least one and less than about 20 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 14 is a monovalent, linear or branched, unsaturated or saturated hydrocarbon radical having 1 to about 10 carbon atoms and optionally containing heteroatoms and hydroxyl groups;
subscripts a, b, and c are zero or positive subject to the limitation 3<a+b+c+d<about 500;
subscript d>1
and
subscripts f, g, h, i and j are 0 or positive subject to the limitation f+g+h+I+j<about 100.

4. The composition of claim 1 wherein said composition further comprises one or more additional organic or silicone demulsifier components and the weight ratio of the silicon containing co-polymer (I) to the total amount of organic and silicone demulsifiers is in the range of about 100:1 to about 1:1000.

5. The composition of claim 1 wherein the concentration of said silicon containing co-polymer (I) in said composition is from about 0.1 ppm to about 1000 ppm.

6. A composition comprising
(I) a silicon containing co-polymer comprising at least one compound having the following molecular formula:
R 1 (CH 2 CH 2 O) a (CH(CH 3 )CH 2 O) b (CH[(CH 2 ) 1/2 R]CH 2 O) d R 5

wherein R 2 is a group defined as M* 2 T*R 6 ,
wherein
M*=R 7 R 8 R 9 SiO 1/2 ,
T*=R 12 Si(O) 2/2 (CH 2 ) 1/2 ;
R 6 =—(CH 2 ) 1/2 (R 13 ) k (CH 2 ) 1/2 —, independently selected;
subject to the limitation that the molecule contains an even number of O 1/2 and an even number of (CH 2 ) 1/2 groups wherein every O 1/2 group is paired with another O 1/2 group and every (CH 2 ) 1/2 group is paired with another (CH 2 ) 1/2 group in the molecule, wherein
R 1 is independently selected from —OH or —OC(O)CH 3 or a monovalent hydrocarbon radical having 1 to about 40 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 5 is independently selected from hydrogen or a —C(O)CH 3 group or a monovalent hydrocarbon radical having 1 to about 40 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 7 , R 8 , R 9 and R 12 are each independently selected from the group of OR 14 or monovalent hydrocarbon radicals having 1 to about 20 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 13 is oxygen or divalent linear or branched, unsaturated or saturated hydrocarbon radical containing at least one and less than about 30 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
R 14 is a monovalent, linear or branched, unsaturated or saturated hydrocarbon radical having I to about 20 carbon atoms and optionally containing heteroatoms and hydroxyl groups,
subscripts a, and b are zero or positive subject to the limitation 3<a+b+d<about 1000,
subscripts d>1,
subscript k is either 0 or 1; and,
(II) an emulsion wherein the concentration of the silicon containing co-polymer (I) in said composition is from about 0.1 ppm to about 10,000 ppm.

7. A mining or petroleum processing composition comprising at least one silicon-containing copolymer with the following molecular formula:
R 1 (CH 2 CH 2 O) d CH(CH 3 )CH 2 O) b (CH(CH 2 CH 3 )CH 2 O) c (CH(Z 1/2 R 2 )CH 2 O) a R 5
where R 2 is a group defined as M* f D* g T* h Q* i R 6 j ,
where
M*=R 7 R 8 R 9 SiZ 1/2 ,
D*=R 10 R 11 SiZ 2/2 ,
T*=R 12 SiZ 3/2 ,
Q*=SiZ 4/2 ,
R 6 =—(CH 2 ) 1/2 (R 13 ) k (CH 2 ) 1/2 —, independently selected;
wherein
R 1 is independently selected from —OH or —OC(O)CH 3 or a monovalent hydrocarbon radical having 1 to about

Assignees

• Koczo Kalman
• Falk Benjamin
• Palumbo Antonio
• Momentive Performance Mat Inc

Inventors

• Koczo Kalman
• Falk Benjamin
• Palumbo Antonio

Classifications

• C08G77/46

  containing polyether sequences · CPC title

• C10G33/04

  with chemical means · CPC title

• C08L83/12

  containing polyether sequences · CPC title

• C08L83/04

  Polysiloxanes · CPC title

• C08G77/14

  containing silicon bound to oxygen-containing groups · CPC title