Amino acid functionalized silicones and method for preparation
AssigneeGeneral Electric Company
InventorsMichael A. Lucarelli, William J. Raleigh
Life of this patent
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Abstract
Organofunctional siloxanes useful in a wide variety of personal care and plastics applications are disclosed having a carboxyalkylaminoalkyl functionality.
Claims10
An organofunctional silicone composition comprising units of the formula TD.sub.x M', wherein T represents a trifunctional siloxy group of the formula RSiO.sub.3/2 wherein R represents independently a saturated or unsaturated monovalent hydrocarbon radical;
- D represents a difunctional siloxy group of the formula R.sub.2 SiO.sub.2/2 wherein each R is independently defined as above;
- and M' represents a monofunctional siloxy group of the formula R.sub.2 R.sup.1 SiO.sub.1/2 wherein each R is independently defined as above and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- x is greater than 1.
An organofunctional silicone composition comprising units of the formula TD.sub.x D'.sub.y M'.sub.3, wherein T represents a trifunctional siloxy group of the formula RSiO.sub.3/2 wherein R represents independently a saturated or unsaturated monovalent hydrocarbon radical;
- D represents a difunctional siloxy group of the formula R.sub.2 SiO.sub.2/2 wherein each R is independently defined as above;
- D' represents a difunctional siloxy group of the formula RR.sup.1 SiO.sub.2/2 wherein each R is independently defined as above and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- M' represents a monofunctional siloxy group of the formula R.sub.2 R.sup.1 SiO.sub.1/2 wherein each R is independently defined as above and R.sup.1 is as above defined;
- x is greater than 1, and y is greater than 1.
An organofunctional silicone composition comprising units of the formula TD'.sub.y M'.sub.3, wherein T represents a trifunctional siloxy group of the formula RSiO.sub.3/2 wherein R represents independently a saturated or unsaturated monovalent hydrocarbon radical;
- D' represents a difunctional siloxy group of the formula RR.sup.1 SiO.sub.2/2 wherein each R is independently defined as above and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- M' represents a monofunctional siloxy group of the formula R.sub.2 R.sup.1 SiO.sub.1/2 wherein each R is independently defined as above and R.sup.1 is as above defined;
- y is greater than 1.
An organofunctional silicone composition comprising units of the formula TD.sub.x D'.sub.y M.sub.3, wherein T represents a trifunctional siloxy group of the formula RSiO.sub.3/2 wherein R represents independently a saturated or unsaturated monovalent hydrocarbon radical;
- D represents a difunctional siloxy group of the formula R.sub.2 SiO.sub.2/2 wherein each R is independently defined as above;
- D' represents a difunctional siloxy group of the formula RR.sup.1 SiO.sub.2/2 wherein each R is independently defined as above and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- M represents a monofunctional siloxy group of the formula R.sub.3 SiO.sub.1/2 wherein each R is independently defined as above;
- x is greater than 1, and y is greater than 1.
An organofunctional silicone composition comprising units of the formula TD'.sub.y M.sub.3, wherein T represents a trifunctional siloxy group of the formula RSiO.sub.3/2 wherein R represents independently a saturated or unsaturated monovalent hydrocarbon radical;
- D' represents a difunctional siloxy group of the formula RR.sup.1 SiO.sub.2/2 wherein each R is independently defined as above and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- M represents a monofunctional siloxy group of the formula R.sub.3 SiO.sub.1/2 wherein each R is independently defined as above;
- and y is greater than 1.
An organofunctional silicone composition comprising units of the formula M'D.sub.x D'.sub.y M', wherein M' represents a monofunctional siloxy group of the formula R.sub.2 R.sup.1 SiO.sub.1/2 wherein each R represents independently a saturated or unsaturated monovalent hydrocarbon radical and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- D represents a difunctional siloxy group of the formula R.sub.2 SiO.sub.2/2 wherein each R represents independently a saturated or unsaturated monovalent hydrocarbon radicale;
- D' represents a difunctional siloxy group of the formula RR.sup.1 SiO.sub.2/2 wherein each R is independently defined as above and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- x is greater than 1, and y is greater than 1.
An organofunctional silicone composition comprising units of the formula M'D.sub.x M', wherein M' represents a monofunctional siloxy group of the formula R.sub.2 R.sup.1 SiO.sub.1/2 wherein each R represents independently a saturated or unsaturated monovalent hydrocarbon radical and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- D represents a difunctional siloxy group of the formula R.sub.2 SiO.sub.2/2 wherein each R is independently defined as above;
- and x is greater than 1.
An organofunctional silicone composition comprising units of the formula M'D'.sub.y M', wherein M' represents a monofunctional siloxy group of the formula R.sub.2 R.sup.1 SiO.sub.1/2 wherein each R represents independently a saturated or unsaturated monovalent hydrocarbon radical and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- D' represents a difunctional siloxy group of the formula RR.sup.1 SiO.sub.2/2 wherein each R is independently defined as above;
- and y is greater than 1.
An organofunctional silicone composition comprising units of the formula M'Q, wherein M' represents a monofunctional siloxy group of the formula R.sub.2 R.sup.1 SiO.sub.1/2 wherein each R represents independently a saturated or unsaturated monovalent hydrocarbon radical and R.sup.1 represents a carboxyalkyl aminoalkyl group of the formula (HO.sub.2 C)(CH.sub.2).sub.m N(R.sup.2)(CH.sub.2).sub.n where R.sup.2 represents hydrogen or an alkyl group of from 1 to about 10 carbon atoms, and m and n each independently vary from 1 to about 10;
- Q represents a quadrifunctional siloxy of the formula SiO.sub.4/2.
Dependencies are inferred from the claim text.