US5804616A — Epoxy-polysiloxane polymer composition

Claim 1

Independent Claim 168 words

A cross-linked epoxy-polysiloxane polymer composition prepared by combining: water; with a polysiloxane having the formula ##STR3## where each R 1 is selected from the group consisting of the hydroxy group and alkyl, aryl and alkoxy groups having up to six carbon atoms, each R 2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is in the range of from about 400 to 10,000; a non-aromatic epoxy resin having more than one 1,2-epoxide groups per molecule with an epoxide equivalent weight in the range of from 100 to about 5,000; and a sufficient amount of an aminosilane hardener component having two amine hydrogens to react with the epoxide groups in the epoxy resin to form epoxy chain polymers, and to react with the polysiloxane to form polysiloxane polymers, wherein the epoxy chain polymers and polysiloxane polymers copolymerize to form a cured cross-linked epoxy-polysiloxane polymer composition.

Claim 2

Dependent Claim 168 words

A cross-linked epoxy-polysiloxane polymer composition prepared by combining: water; with a polysiloxane having the formula ##STR3## where each R 1 is selected from the group consisting of the hydroxy group and alkyl, aryl and alkoxy groups having up to six carbon atoms, each R 2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is in the range of from about 400 to 10,000; a non-aromatic epoxy resin having more than one 1,2-epoxide groups per molecule with an epoxide equivalent weight in the range of from 100 to about 5,000; and a sufficient amount of an aminosilane hardener component having two amine hydrogens to react with the epoxide groups in the epoxy resin to form epoxy chain polymers, and to react with the polysiloxane to form polysiloxane polymers, wherein the epoxy chain polymers and polysiloxane polymers copolymerize to form a cured cross-linked epoxy-polysiloxane polymer composition.

Claim 3

Dependent Claim 35 words

The composition as recited in claim 1 wherein the non-aromatic epoxide resin is selected from the group of cycloaliphatic epoxide resins consisting of hydrogenated cyclohexane dimethanol and diglycidyl ethers of hydrogenated Bisphenol A epoxide resins.

Claim 4

Dependent Claim 64 words

The composition as recited in claim 1 wherein the aminosilane has the general formula Y--Si--(O--X).sub.3 where Y is H(HNR) a and where a is one, R is a difunctional organic radical independently selected from the group consisting of aryl, alkyl, dialkylaryl, alkoxyalkyl, and cycloalkyl radicals, and where X is limited to alkyl, hydroxalkyl, alkoxyalkyl or hydroxyalkoxyalkyl groups containing less than about six carbon atoms.

Claim 5

Dependent Claim 51 words

The composition as recited in claim 1 wherein the composition additionally comprises at least one metal catalyst to facilitate cure at ambient temperature, wherein the catalyst is selected from the group consisting of zinc, manganese, zirconium, titanium, cobalt, iron, lead, and tin each in the form of octonates, neodecanates, or naphthanates.

Claim 6

Dependent Claim 47 words

The composition as recited in claim 1 comprising at least one additional ingredient selected from the group consisting of rheological modifiers, plasticizers, antifoam agents, thixotropic agents, pigment wetting agents, bituminous and asphaltic extenders, antisettling agents, diluents, UV light stabilizers, air release agents, dispersing aids, and mixtures thereof.

Claim 7

Dependent Claim 47 words

The composition as recited in claim 1 further comprising a pigment or aggregate material having a fine particle size selected from the group consisting of organic and inorganic color pigments, at least 90 percent by weight of the pigment being greater than 325 mesh U.S. sieve size.

Claim 8

Dependent Claim 46 words

The composition as recited in claim 1 comprising in the range of from about 10 to 60 percent by weight epoxy resin, 15 to 60 percent by weight polysiloxane, and 5 to 40 percent by weight aminosilane hardener based on the total weight of the composition.

Claim 9

Dependent Claim 189 words

An epoxy-polysiloxane polymer composition prepared by combining: a polysiloxane selected from the group consisting of alkoxy- and silanol-functional polysiloxanes having a molecular weight in the range of from about 400 to 10,000; with non-aromatic epoxy resin having more than one epoxide group per molecule; a sufficient amount of an aminosilane hardener component having two amine hydrogens providing in the range of from 0.7 to 1.2 amine equivalent weight per one epoxide equivalent weight having the general formula Y--Si--(O--X).sub.3 where Y is H(HNR) a and where a is one, R is a difunctional organic radical independently selected from the group consisting of aryl, alkyl, dialkylaryl, alkoxyalkyl, and cycloalkyl radicals, and where X is limited to alkyl, hydroxalkyl, alkoxyalkyl or hydroxyalkoxyalkyl groups containing less than about six carbon atoms, wherein the aminosilane hardener reacts with the epoxy resin to form epoxy chain polymers, and reacts with the polysiloxane to form polysiloxane polymers that copolymerize with the epoxy chain polymers to form a cross-linked epoxy-polysiloxane composition; an organotin catalyst; and a sufficient amount of water to facilitate hydrolysis and polycondensation reactions to form the fully-cured cross-linked epoxy-polysiloxane polymer composition at ambient temperature.

Claim 10

Dependent Claim 189 words

An epoxy-polysiloxane polymer composition prepared by combining: a polysiloxane selected from the group consisting of alkoxy- and silanol-functional polysiloxanes having a molecular weight in the range of from about 400 to 10,000; with non-aromatic epoxy resin having more than one epoxide group per molecule; a sufficient amount of an aminosilane hardener component having two amine hydrogens providing in the range of from 0.7 to 1.2 amine equivalent weight per one epoxide equivalent weight having the general formula Y--Si--(O--X).sub.3 where Y is H(HNR) a and where a is one, R is a difunctional organic radical independently selected from the group consisting of aryl, alkyl, dialkylaryl, alkoxyalkyl, and cycloalkyl radicals, and where X is limited to alkyl, hydroxalkyl, alkoxyalkyl or hydroxyalkoxyalkyl groups containing less than about six carbon atoms, wherein the aminosilane hardener reacts with the epoxy resin to form epoxy chain polymers, and reacts with the polysiloxane to form polysiloxane polymers that copolymerize with the epoxy chain polymers to form a cross-linked epoxy-polysiloxane composition; an organotin catalyst; and a sufficient amount of water to facilitate hydrolysis and polycondensation reactions to form the fully-cured cross-linked epoxy-polysiloxane polymer composition at ambient temperature.

Claim 11

Dependent Claim 47 words

The composition as recited in claim 8 comprising in the range of from about 10 to 60 percent by weight epoxy resin based on the total weight of the composition, wherein the epoxy resin has an epoxide equivalent weight in the range of from 100 to 5,000.

Claim 12

Dependent Claim 34 words

The composition as recited in claim 9 wherein the epoxy resin is selected from the group of cycloaliphatic epoxy resins consisting of hydrogenated cyclohexane dimethanol and diglycidyl ethers of hydrogenated Bisphenol A epoxide resins.

Claim 13

Dependent Claim 101 words

The composition as recited in claim 8 comprising in the range of from 15 to 60 percent by weight polysiloxane based on the total weight of the composition, wherein the polysiloxane has the formula ##STR4## where each R 1 is selected from the group consisting of the hydroxy group and alkyl, aryl and alkoxy groups having up to six carbon atoms, each R 2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is greater than about 400.

Claim 14

Dependent Claim 59 words

The composition as recited in claim 8 further comprising additives up to approximately ten percent by weight of the total composition, wherein the additives are selected from the group consisting of flow modifiers, rheological modifiers, plasticizers, antifoam agents, thixotropic agents, pigment wetting agents, bituminous and asphaltic extenders, antisettling agents, diluents, UV light stabilizers, air release agents, and dispersing aids.

Claim 15

Dependent Claim 57 words

The composition as recited in claim 8 further comprising a fine particle size pigment or aggregate material selected from the group consisting of organic and inorganic color pigments, wherein the aggregate material comprises at least 90 percent by weight aggregate having a U.S. mesh size greater than 325 based on the total weight of the aggregate material.

Claim 16

Dependent Claim 217 words

A non-interpenetrating polymer network epoxy-polysiloxane polymer composition prepared by combining: water; with a polysiloxane having the formula ##STR5## where each R 1 is selected from the group consisting of the hydroxy group and alkyl, aryl and alkoxy groups having up to six carbon atoms, each R 2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is in the range of from about 400 to 10,000; a non-aromatic epoxy resin having more than one 1,2-epoxide group per molecule with an epoxide equivalent weight in the range of from 100 to about 5,000; and a stoichiometric amount of an aminosilane hardener component to react both with the epoxy resin to form epoxy resin polymers and the polysiloxane to form polysiloxane polymers, and has the general formula Y--Si--(O--X).sub.3 where Y is H(HNR) a and where a is one, R is a difunctional organic radical independently selected from the group consisting of aryl, alkyl, dialkylaryl, alkoxyalkyl, and cycloalkyl radicals, and where X is limited to alkyl, hydroxalkyl, alkoxyalkyl or hydroxyalkoxyalkyl groups containing less than about six carbon atoms; wherein the epoxy resin polymers and polysiloxane polymers react together to form a cross-linked non-interpenetrating polymer network epoxy-polysiloxane polymer.

Claim 17

Dependent Claim 217 words

A non-interpenetrating polymer network epoxy-polysiloxane polymer composition prepared by combining: water; with a polysiloxane having the formula ##STR5## where each R 1 is selected from the group consisting of the hydroxy group and alkyl, aryl and alkoxy groups having up to six carbon atoms, each R 2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is in the range of from about 400 to 10,000; a non-aromatic epoxy resin having more than one 1,2-epoxide group per molecule with an epoxide equivalent weight in the range of from 100 to about 5,000; and a stoichiometric amount of an aminosilane hardener component to react both with the epoxy resin to form epoxy resin polymers and the polysiloxane to form polysiloxane polymers, and has the general formula Y--Si--(O--X).sub.3 where Y is H(HNR) a and where a is one, R is a difunctional organic radical independently selected from the group consisting of aryl, alkyl, dialkylaryl, alkoxyalkyl, and cycloalkyl radicals, and where X is limited to alkyl, hydroxalkyl, alkoxyalkyl or hydroxyalkoxyalkyl groups containing less than about six carbon atoms; wherein the epoxy resin polymers and polysiloxane polymers react together to form a cross-linked non-interpenetrating polymer network epoxy-polysiloxane polymer.

Claim 18

Independent Claim 117 words

A method for making a fully-cured thermosetting epoxy-polysiloxane polymer composition comprising the steps of: forming a resin component by combining: a non-aromatic epoxy resin; a polysiloxane selected from the group consisting of alkoxy- and silanol-functional polysiloxanes having a molecular weight in the range of from 400 to 10,000; with water; and curing the resin component at ambient temperature by adding thereto: an aminosilane with two active hydrogens that reacts both with the epoxide resin to form epoxy chain polymers and with the polysiloxane to form polysiloxane polymers, wherein the epoxy chain polymers react with the polysiloxane polymers to form a fully-cured cross-linked epoxy-polysiloxane polymer; and an organotin catalyst to facilitate curing the resin component at ambient temperature.

Claim 19

Independent Claim 117 words

A method for making a fully-cured thermosetting epoxy-polysiloxane polymer composition comprising the steps of: forming a resin component by combining: a non-aromatic epoxy resin; a polysiloxane selected from the group consisting of alkoxy- and silanol-functional polysiloxanes having a molecular weight in the range of from 400 to 10,000; with water; and curing the resin component at ambient temperature by adding thereto: an aminosilane with two active hydrogens that reacts both with the epoxide resin to form epoxy chain polymers and with the polysiloxane to form polysiloxane polymers, wherein the epoxy chain polymers react with the polysiloxane polymers to form a fully-cured cross-linked epoxy-polysiloxane polymer; and an organotin catalyst to facilitate curing the resin component at ambient temperature.

Claim 20

Dependent Claim 60 words

A method as recited in claim 15 wherein during the step of forming the resin component one or more ingredient is added that is selected from the group consisting of pigments, aggregates, flow modifiers, theological modifiers, plasticizers, antifoam agents, thixotropic agents, pigment wetting agents, bituminous and asphaltic extenders, antisettling agents, diluents, UV light stabilizers, air release agents and dispersing aids.

Claim 21

Independent Claim 191 words

A method for making a fully-cured epoxy-polysiloxane copolymer composition comprising the steps of: forming a resin component by combining: a polysiloxane having the formula ##STR6## where each R 1 is selected from the group consisting of the hydroxy group and alkyl, aryl and alkoxy groups having up to six carbon atoms, each R 2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is in the range of from about 400 to 10,000; a non-aromatic epoxy resin having more than one 1,2-epoxide groups per molecule with an epoxide equivalent weight in the range of from 100 to about 5,000; and water; curing the resin component at an ambient temperature by adding to it: an organotin catalyst; and a stoichiometric amount of an aminosilane component having two active hydrogens to react both with the epoxy resin to form epoxy resin chain polymers and react with the polysiloxane to form polysiloxane polymers, wherein the epoxy resin chain polymers react with the polysiloxane polymers to form a fully-cured cross-linked epoxy-polysiloxane polymer.

Claim 22

Independent Claim 191 words

A method for making a fully-cured epoxy-polysiloxane copolymer composition comprising the steps of: forming a resin component by combining: a polysiloxane having the formula ##STR6## where each R 1 is selected from the group consisting of the hydroxy group and alkyl, aryl and alkoxy groups having up to six carbon atoms, each R 2 is selected from the group consisting of hydrogen and alkyl and aryl groups having up to six carbon atoms and, wherein n is selected so that the molecular weight for the polysiloxane is in the range of from about 400 to 10,000; a non-aromatic epoxy resin having more than one 1,2-epoxide groups per molecule with an epoxide equivalent weight in the range of from 100 to about 5,000; and water; curing the resin component at an ambient temperature by adding to it: an organotin catalyst; and a stoichiometric amount of an aminosilane component having two active hydrogens to react both with the epoxy resin to form epoxy resin chain polymers and react with the polysiloxane to form polysiloxane polymers, wherein the epoxy resin chain polymers react with the polysiloxane polymers to form a fully-cured cross-linked epoxy-polysiloxane polymer.

Claim 23

Dependent Claim 100 words

A cross-linked epoxy-polysiloxane copolymer composition that is prepared by combining: a polysiloxane selected from the group consisting of alkoxy- and silanol-functional polysiloxanes having a molecular weight in the range of from 400 to 10,000; with a non-aromatic epoxy resin having more than one epoxide group per molecule; a sufficient amount of an aminosilane ingredient to provide in the range of from 0.7 to 1.2 amine equivalent weight amine per one epoxide equivalent weight to both react with the epoxy resin to form epoxy chain polymers, and polysiloxane to form polysiloxane polymers that copolymerize to form a cross-linked epoxy-polysiloxane copolymer composition.

Claim 24

Dependent Claim 100 words

A cross-linked epoxy-polysiloxane copolymer composition that is prepared by combining: a polysiloxane selected from the group consisting of alkoxy- and silanol-functional polysiloxanes having a molecular weight in the range of from 400 to 10,000; with a non-aromatic epoxy resin having more than one epoxide group per molecule; a sufficient amount of an aminosilane ingredient to provide in the range of from 0.7 to 1.2 amine equivalent weight amine per one epoxide equivalent weight to both react with the epoxy resin to form epoxy chain polymers, and polysiloxane to form polysiloxane polymers that copolymerize to form a cross-linked epoxy-polysiloxane copolymer composition.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2001-09-07	2002-03-09	2002-09-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2005-09-07	2006-03-09	2006-09-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2009-09-07	2010-03-09	2010-09-08	$7700.00	Window Closed / Lapsed

Epoxy-polysiloxane polymer composition

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