Stable emulsions containing amino polysiloxanes and silanes for treating fibers and fabrics

Claim 1

A process for the preparation of an aqueous emulsion composition having improved long term stability which comprises the addition of water and one or more oil soluble hydrolyzable hydrocarbyl silanes of the formula R.sup.1.sub.C SiX.sub.4--c wherein R 1 is one or more monovalent oleophilic organic groups bonded to Si by a carbon to Si bond, X is a hydrolyzable group bonded directly to Si, and c is 1, 2, or 3 to an aqueous emulsion containing an amino-functionalized polyorganosiloxane of the formula R.sub.n R.sup.o.sub.m SiO.sub.(4-n-m)/2 wherein n is a number averaging per Si in the range from 0.001 to about 2.5, m is a number averaging per Si in the range from about 0.0001 to about 2, the average value of (4-n-m)/2 ranges from about 0.5 to 1.98, R is one or more organo groups bonded to the Si by a carbon to silicon bond, R o is an aminoorgano group bonded to the Si by a carbon to silicon bond and wherein there are at least two amino-functionalized groups per molecule of polyorganosiloxane and the ratio of the sum of R and R o to Si is about 3 to about 1.98; and wherein said polyorganosiloxane has triorganosilyl endblocking of the following formula: ##STR7## wherein R 4 , which may be the same or different, is a monovalent hydrocarbon, R 5 is an alkylene or an arylene having from 3 to 10 carbon atoms, or alkoxyalkyl or aroxyaryl containing 4 to 16 carbon atoms; R 6 is selected from hydrogen, one of the groups defined by R 4 , and aminoorgano of the formula --R 5 R 6 NR 6 , where R 5 and R 6 are as defined; x is an integer equal to or greater than 0; y is an integer large enough to provide at least two amino-functionalized groups per molecule; and the viscosity of the polyorganosiloxanes is from about 10 to about 10,000 centipoise at 25°C.; and optionally, a hydroxy terminated polydiorgansiloxane of the formula HO--[--R.sup.2 R.sup.3 SiO--].sub.p --OH wherein R 2 and R 3 are each the same or different nonfunctionalized organo groups bonded to Si by a carbon to silicon bond, and p has a value of at least 2.

Claim 16

A method for the treatment of textiles which comprises impregnating a textile with an aqueous emulsion composition having improved long term stability containing an oil phase and a water phase, wherein there is provided in the emulsion a normally liquid polyorganosiloxane of the formula R.sub.n R.sup.o.sub.m SiO.sub.(4-n-m)/2 wherein n is a number averaging per Si in the range from about 0.001 to about 2.5, m is a number averaging per Si in the range from about 0.0001 to about 1, the average value of (4-n-m)/2 ranges from about 0.5 to 1.98 R is one or more organo groups bonded to the Si by a carbon to silicon bond, R o is an aminoorgano group bonded to the Si by a carbon to Si bond, there are at least two amino-functionalized groups per molecule of liquid organopolysiloxane, and the ratio of the sum of R and R o to Si in the liquid polyorganosiloxane is about 3 to about 1.98 and wherein the polyorganosiloxane has triorganosilyl endblocking of the following formula: ##STR10## wherein R 4 , which may be the same or different, is a monovalent hydrocarbon, R 5 is an alkylene or an arylene having from 3 to 10 carbon atoms, or alkoxyalkyl or aroxyaryl containing 4 to 16 carbon atoms; R 6 is selected from hydrogen, one of the groups defined by R 4 , and aminoorgano of the formula --R 5 R 6 NR 6 , where R 5 and R are as defined; x is an integer equal to or greater than 0; y is an integer large enough to provide at least two amino-functionalized groups per molecule; and a hydrocarbyl silane of the formula R.sup.1.sub.c SiX.sub.4--c wherein R 1 is one or more monovalent oleophilic organic groups bonded to Si by a carbon to Si bond and X is a hydrolyzable group bonded directly to Si and c is 1, 2 or 3.

Claim 17

A method for the treatment of textiles which comprises impregnating a textile with an aqueous emulsion composition having improved long term stability containing an oil phase and a water phase, wherein there is provided in the emulsion a normally liquid polyorganosiloxane of the formula R.sub.n R.sup.o.sub.m SiO.sub.(4-n-m)/2 wherein n is a number averaging per Si in the range from about 0.001 to about 2.5, m is a number averaging per Si in the range from about 0.0001 to about 1, the average value of (4-n-m)/2 ranges from about 0.5 to 1.98 R is one or more organo groups bonded to the Si by a carbon to silicon bond, R o is an aminoorgano group bonded to the Si by a carbon to Si bond, there are at least two amino-functionalized groups per molecule of liquid organopolysiloxane, and the ratio of the sum of R and R o to Si in the liquid polyorganosiloxane is about 3 to about 1.98 and wherein the polyorganosiloxane has triorganosilyl endblocking of the following formula: ##STR10## wherein R 4 , which may be the same or different, is a monovalent hydrocarbon, R 5 is an alkylene or an arylene having from 3 to 10 carbon atoms, or alkoxyalkyl or aroxyaryl containing 4 to 16 carbon atoms; R 6 is selected from hydrogen, one of the groups defined by R 4 , and aminoorgano of the formula --R 5 R 6 NR 6 , where R 5 and R are as defined; x is an integer equal to or greater than 0; y is an integer large enough to provide at least two amino-functionalized groups per molecule; and a hydrocarbyl silane of the formula R.sup.1.sub.c SiX.sub.4--c wherein R 1 is one or more monovalent oleophilic organic groups bonded to Si by a carbon to Si bond and X is a hydrolyzable group bonded directly to Si and c is 1, 2 or 3.