US4171267A — Organopolysiloxane-hydrocarbon oil solutions

Claim 1

Independent Claim 113 words

A composition containing (A) a bridging agent, (B) a hydrocarbon oil and (C) an organopolysiloxane fluid, in which the organopolysiloxane (C) is immiscible with hydrocarbon oil (B) in the absence of bridging agent (A), said bridging agent is obtained from the reaction of (1) an organopolysiloxane selected from the group consisting of (i) a hydroxyl-terminated organopolysiloxane, (ii) a cyclic siloxane having from 3 to 8 silicon atoms and (iii) mixtures thereof in which at least 80 percent of the organic groups are methyl radicals, with (2) an alcohol having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 2

Dependent Claim 113 words

A composition containing (A) a bridging agent, (B) a hydrocarbon oil and (C) an organopolysiloxane fluid, in which the organopolysiloxane (C) is immiscible with hydrocarbon oil (B) in the absence of bridging agent (A), said bridging agent is obtained from the reaction of (1) an organopolysiloxane selected from the group consisting of (i) a hydroxyl-terminated organopolysiloxane, (ii) a cyclic siloxane having from 3 to 8 silicon atoms and (iii) mixtures thereof in which at least 80 percent of the organic groups are methyl radicals, with (2) an alcohol having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 3

Dependent Claim 15 words

The composition of claim 1, wherein the organopolysiloxane (C) is present in a major amount.

Claim 4

Dependent Claim 34 words

The composition of claim 1, wherein the organopolysiloxane (C) is pesent in an amount of from 60 to 98 percent by weight based on the weight of the organopolysiloxane (C) and hydrocarbon oil (B).

Claim 5

Dependent Claim 38 words

The composition of claim 1, wherein the bridging agent (A) is present in an amount of from 2 to 30 percent by weight based on the weight of the bridging agent (A), hydrocarbon oil (B) and organopolysiloxane (C).

Claim 6

Dependent Claim 21 words

The composition of claim 1, wherein the organopolysiloxane (C) has a viscosity of from 100 to 100,000 cs at 25° C.

Claim 7

Dependent Claim 64 words

The composition of claim 1, wherein the organopolysiloxane is represented by the formula R' Si R'.sub.2 O (Si R'.sub.2 O).sub.x R'.sub.2 Si R' in which R' is selected from the group consisting of monovalent hydrocarbon radicals, halogenated monovalent hydrocarbon radicals and cyanoalkyl radicals and at least 80 percent of the R' radicals are methyl radicals and x is a number of at least 50.

Claim 8

Dependent Claim 18 words

The composition of claim 6, wherein R' is an alkyl radical having from 1 to 18 carbon atoms.

Claim 9

Dependent Claim 48 words

The composition of claim 1, wherein the alcohol is represented by the formula ROH in which R is a hydrocarbon radical having from 12 to 28 carbon atoms and is selected from the group consisting of branched chain saturated and unsaturated hydrocarbon radicals and unsaturated linear hydrocarbon radicals.

Claim 10

Dependent Claim 42 words

The composition of claim 1, wherein the bridging agent is obtained from the reaction of a hydroxyl-terminated organopolysiloxane and an alcohol having from 12 and 28 carbon atoms which is selected from branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 11

Dependent Claim 61 words

The composition of claim 9, wherein the hydroxyl-terminated organopolysiloxane is represented by the formula HO SiR'.sub.2 O (SiR'.sub.2 O).sub.n R'.sub.2 Si OH in which R' is selected from the group consisting of monovalent hydrocarbon radicals, halogenated monovalent hydrocarbon radicals and cyanoalkyl radicals and at least 80 percent of the R' radicals are methyl radicals and n is from 1 to 500.

Claim 12

Dependent Claim 21 words

The composition of claim 1, wherein the organopolysiloxane (C) is a blend of at least two organopolysiloxane fluids having different viscosities.

Claim 13

Dependent Claim 72 words

A bridging agent which is obtained from the reaction of (1) an organopolysiloxane selected from the group consisting of (i) a hydroxyl-terminated organopolysiloxane, (ii) a cyclic siloxane and (iii) mixtures thereof in which at least 80 percent of the organic groups are methyl radicals with an alcohol having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 14

Dependent Claim 72 words

A bridging agent which is obtained from the reaction of (1) an organopolysiloxane selected from the group consisting of (i) a hydroxyl-terminated organopolysiloxane, (ii) a cyclic siloxane and (iii) mixtures thereof in which at least 80 percent of the organic groups are methyl radicals with an alcohol having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 15

Dependent Claim 49 words

The bridging agent of claim 12, wherein the alcohol is represented by the formula ROH in which R is a hydrocarbon radical having from 12 to 28 carbon atoms and is selected from the group consisting of branched chain saturated and unsaturated hydrocarbon radicals and unsaturated linear hydrocarbon radicals.

Claim 16

Dependent Claim 20 words

The bridging agent of claim 12, wherein the organopolysiloxane (1) is a neutralized hydrolyzate containing hydroxyl-terminated organopolysiloxanes and cyclic siloxanes.

Claim 17

Dependent Claim 25 words

The bridging agent of claim 12, wherein the organopolysiloxane (1) is reacted with the alcohol (2) at a temperature of from 50° to 250° C.

Claim 18

Dependent Claim 23 words

The bridging agent of claim 14, wherein the neutralized hydrolyzate contains hydroxyl-terminated dimethylpolysiloxanes and cyclic siloxanes in a weight ratio of about 50:50.

Claim 19

Dependent Claim 129 words

A process for improving the lubricating properties of organic fibers which comprises coating organic fibers with a composition containing (A) a bridging agent, (B) a hydrocarbon oil and (C) an organopolysiloxane fluid, in which the organopolysiloxane (C) is immiscible with hydrocarbon oil (B) in the absence of bridging agent (A), said bridging agent is obtained from the reaction of (1) an organopolysiloxane selected from the group consisting of (i) a hydroxyl-terminated organopolysiloxane, (ii) a cyclic siloxane having from 3 to 8 silicon atoms and (iii) mixtures thereof in which at least 80 percent of the organic groups are methyl radicals, with (2) an alcohol having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 20

Dependent Claim 129 words

A process for improving the lubricating properties of organic fibers which comprises coating organic fibers with a composition containing (A) a bridging agent, (B) a hydrocarbon oil and (C) an organopolysiloxane fluid, in which the organopolysiloxane (C) is immiscible with hydrocarbon oil (B) in the absence of bridging agent (A), said bridging agent is obtained from the reaction of (1) an organopolysiloxane selected from the group consisting of (i) a hydroxyl-terminated organopolysiloxane, (ii) a cyclic siloxane having from 3 to 8 silicon atoms and (iii) mixtures thereof in which at least 80 percent of the organic groups are methyl radicals, with (2) an alcohol having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 21

Dependent Claim 15 words

The process of claim 17, wherein the organopolysiloxane (C) is present in a major amount.

Claim 22

Dependent Claim 34 words

The process of claim 17, wherein the organopolysiloxane (C) is present in an amount of from 60 to 98 percent by weight based on the weight of the organopolysiloxane (C) and hydrocarbon oil (B).

Claim 23

Dependent Claim 38 words

The process of claim 17, wherein the bridging agent (A) is present in an amount of from 2 to 30 percent by weight based on the weight of the bridging agent (A), hydrocarbon oil (B) and organopolysiloxane (C).

Claim 24

Dependent Claim 48 words

The process of claim 17, wherein the alcohol is represented by the formula ROH in which R is a hydrocarbon radical having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated hydrocarbon radicals and unsaturated linear hydrocarbon radicals.

Claim 25

Dependent Claim 21 words

The process of claim 17, wherein the organopolysiloxane (C) is a blend of at least two organopolysiloxane fluids having different viscosities.

Claim 26

Dependent Claim 46 words

The process of claim 17, wherein the bridging agent is obtained from the reaction of a neutralized hydrolyzate and an alcohol having from 12 to 28 carbon atoms which is selected from the group consisting of branched chain saturated and unsaturated alcohols and unsaturated linear alcohols.

Claim 27

Dependent Claim 11 words

Organic fibers treated in accordance with the process of claim 17.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1982-10-15	1983-04-16	1983-10-16	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1986-10-15	1987-04-16	1987-10-16	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1990-10-15	1991-04-16	1991-10-16	$7700.00	Window Closed / Lapsed

Organopolysiloxane-hydrocarbon oil solutions

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