A TWO-COMPONENT POLYURETHANE COMPOSITION, PROCESS FOR PREPARING THE SAME AND A METHOD OF USE THEREOF
This present disclosure relates to a two-component polyurethane composition comprising: (A) a prepolymer component comprising: (i) at least one isocyanate terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof, (ii) at least one isocyanate compound, and (iii) optionally at least one liquid rubber; and (B) a curative component comprising: (i) at least one polyol terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof, (ii) at least one liquid rubber, (iii) at least one catalyst, (iv) at least one polyol, (v) optionally at least one amine compound, and (vi) optionally a chain extender.
1 . A two-component polyurethane composition comprising:
(A) a prepolymer component comprising:
(i) at least one isocyanate terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof,
(ii) at least one isocyanate compound, and
(iii) optionally at least one liquid rubber; and
(B) a curative component comprising:
(i) at least one polyol terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof,
(ii) at least one liquid rubber,
(iii) at least one catalyst,
(iv) at least one polyol,
(v) optionally at least one amine compound, and
(vi) optionally a chain extender.
2 . The two-component polyurethane composition according to claim 1 , wherein the ratio of prepolymer component to curative component is from about 0.1 to about 1.
3 . The two-component polyurethane composition according to claim 1 , 1(A)(1), wherein the reaction mixture (A)(i) has a ratio of isocyanate compound to polyol compound greater than 4.
4 . The two-component polyurethane composition according to claim 1 , wherein the reaction mixture (B)(i) has a ratio of isocyanate compound to polyol compound less than 2.
5 . The two-component polyurethane composition according to claim 1 , wherein the isocyanate terminated intermediate compound is present in an amount from about 10% w/w to about 99.99% w/w of said prepolymer component.
6 . The two-component polyurethane composition according to claim 1 , wherein the polyol terminated intermediate compound present in an amount from about 5% w/w to about 50% w/w of said curative component.
7 . The two-component polyurethane composition according to claim 1 , wherein the polyol compound is selected from the group consisting of diols, triols, tetrols, pentols, and hexols.
8 . (canceled)
9 . The two-component polyurethane composition according to claim 1 , wherein the polyol compound is present in an amount from about 5% w/w to about 80% w/w of said curative component.
10 . The two-component polyurethane composition according to claim 1 , wherein said polyamine compound is selected from the group consisting of primary amine-terminated poly(oxypropylene), primary amine-terminated poly (oxyethylene), secondary amine-terminated poly(oxypropylene), secondary amine-terminated poly(oxyethylene) and amino functional polysiloxane.
11 . The two-component polyurethane composition according to claim 1 , wherein the amine compound is selected from the group consisting of an aliphatic, cycloaliphatic and an aromatic compound having about 2 to about 30 carbon atoms.
12 . (canceled)
13 . The two-component polyurethane composition according to claim 1 , wherein the isocyanate compound has the formula R(NCO) n ; wherein n=2, 3, and 4; and R=aliphatic moiety having from 6 to 20 carbon atoms.
14 . (canceled)
15 . (canceled)
16 . (canceled)
17 . The two-component polyurethane composition according to claim 1 , wherein the isocyanate compound is present in an amount from about 0.01% w/w to about 90% w/w of said prepolymer component.
18 . The two-component polyurethane composition according to claim 1 , wherein the liquid rubber is a hydrogenated or non-hydrogenated (co)polymer having a monomer moiety selected from the group consisting of isoprene, butadiene, styrene, ethylene, vinyl acetate, acrylonitrile, silicone and a combination thereof.
19 . (canceled)
20 . The two-component polyurethane composition according to claim 1 , wherein the liquid rubbers-present in an amount from more than 0% w/w to about 20% w/w of said prepolymer component.
21 . The two-component polyurethane composition according to claim 1 , wherein the liquid rubber present in an amount from about 5% w/w to about 20% w/w of curative component.
22 . (canceled)
23 . The two-component polyurethane composition according to claim 1 , wherein the catalyst is selected from the group consisting of tertiary amine catalysts, tin catalysts, organomercury catalysts, organozinc catalysts, organobismuth catalysts and a combination thereof.
24 . (canceled)
25 . The two-component polyurethane composition according to claim 1 , wherein the amine compound is present in an amount from about 0% w/w to about 5% w/w of said curative component.
26 . The two-component polyurethane composition according to claim 1 , wherein the chain extender is a C 1-10 alkyl diol.
27 . The two-component polyurethane composition according to claim 1 , wherein the chain extender is selected from the group consisting of methyl-propanediol (MPD), 1,4-butanediol (BDO), 1,6-hexanediol (HDO), and a combination thereof.
28 . (canceled)
29 . The two-component polyurethane composition according to claim 1 , further comprising an additive selected from the group consisting of a filler, an antioxidant, an ultraviolet light inhibitor, a plasticizer, a thickening agent, a compatibilizer, a dispersing agent, a rheology modifier, and a molecular sieve.
30 . (canceled)