Free radical polymerizable compositions comprising ionic silicones
View Patent ↗A composition including an actinic radiation or thermally curable polyorganosiloxane ionomer having one or more reactive groups, for example, vinyl, acrylate, epoxy groups.
1. A composition comprising an actinic radiation curable or thermally curable polyorganosiloxane ionomer having the general formula:
M 1 a M 2 b M 3 c D 1 d D 2 e D 3 f T 1 g T 2 h T 3 i Q j (I)
wherein:
M 1 =R 1 R 2 R 3 SiO 1/2
M 2 =R 4 R 5 R 6 SiO 1/2
M 3 =R 7 R 8 R 9 SiO 1/2
D 1 =R 10 R 11 SiO 2/2
D 2 =R 12 R 13 SiO 2/2
D 3 =R 14 R 15 SiO 2/2
T 1 =R 16 SiO 3/2
T 2 =R 17 SiO 3/2
Q=SiO 4/2
wherein R 1 , R 2 , R 5 , R 6 , R 8 , R 9 , R 11 , R 13 , R 15 are aliphatic, aromatic or fluoro monovalent hydrocarbon having from 1 to 60 carbon atoms,
wherein R 3 , R 10 , R 16 are independently selected from —CH 2 CH(R′)(C n H 2 n)—O—(C 2 H 4 O) o —(C 3 H 6 O) p —(C 4 H 8 O) q —R′, wherein subscript n is zero or positive and has a value in the range of 0 to 6, subscripts o, p and q are zero or positive and independently selected from a value in the range of 0 to 100, subject to the limitation that the sum of o+p+q is greater than or equal to 1,
R′ is hydrogen or an aliphatic, aromatic or fluoro hydrocarbon having from 1 to 60 carbon atoms,
wherein R 4 , R 12 , R 17 are selected from (i) or (ii):
(i) monovalent radical-bearing ion-pairs, substantially free of free radical polymerizable moieties, and having the formula (II)
A-I x− M n y+ (II);
where A is a spacing group selected from a divalent hydrocarbon or hydrocarbonoxy group, where I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups, where M is hydrogen or a cation independently selected from alkali metals, alkaline earth metals, transition metals, metals, metal complexes, quaternary ammonium groups, phosphonium groups, hydrocarbon cations, alkyl cations, organic cations, and cationic polymers,
(ii) zwitterions having the formula (III):
—R′—NR″ 2 + —R′″—I (III)
where R′ is a divalent hydrocarbon radical containing from 1 to about 60 carbon atoms,
R″ is a monovalent hydrocarbon radical containing from 1 to about 60 carbon atoms, and where
R′″ is divalent hydrocarbon radical containing from 2 to about 20 carbon atoms, and,
I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups; and
wherein R 7 , R 14 , R 18 are independently selected from the group consisting of unsaturated monovalent radicals and epoxy group containing radicals and are substantially free from ionic moieties; and
where subscript n and superscript y are independently from 1 to 6 and x is the product of n times y, where the subscript a, b, c, d, e, f, g, h, i, j are zero or positive subject to the following provisos: the sum a+b+c+d+e+f+g+h+i+j is greater than or equal to 2 and less than or equal to 6000, d+e+f is at least l, a+d+g is greater than zero, b+e+h is greater than zero, c+f+i is greater than zero and a+b+c is greater than zero.
2. A composition comprising an actinic radiation curable or thermally curable polyorganosiloxane ionomer having the general formula:
M 1 a M 2 b M 3 c D 1 d D 2 e D 3 f T 1 g T 2 h T 3 i Q j (I)
wherein:
M 1 =R 1 R 2 R 3 SiO 1/2
M 2 =R 4 R 5 R 6 SiO 1/2
M 3 =R 7 R 8 R 9 SiO 1/2
D 1 =R 10 R 11 SiO 2/2
D 2 =R 12 R 13 SiO 2/2
D 3 =R 14 R 15 SiO 2/2
T 1 =R 16 SiO 3/2
T 2 =R 17 SiO 3/2
T 3 =R 18 SiO 3/2
Q=SiO 4/2
wherein R 1 , R 2 , R 5 , R 6 , R 8 , R 9 , R 11 , R 13 , R 15 are aliphatic, aromatic or fluoro monovalent hydrocarbon having from 1 to 60 carbon atoms,
wherein R 3 , R 10 , R 16 are independently selected from —CH 2 CH(R′)(C n H 2 n)—O—(C 2 H 4 O) o —(C 3 H 6 O) p —(C 4 H 8 O) q —R′, wherein subscript n is zero or positive and has a value in the range of 0 to 6, subscripts o, p and q are zero or positive and independently selected from a value in the range of 0 to 100, subject to the limitation that the sum of o+p+q is greater than or equal to 1, R′ is hydrogen or an aliphatic, aromatic or fluoro hydrocarbon having from 1 to 60 carbon atoms,
wherein R 4 , R 12 , R 17 are selected from (i) or (ii):
(i) monovalent radical-bearing ion-pairs, substantially free of free radical polymerizable moieties, and having the formula (II)
A-X x− M n y+ (II);
where A is a spacing group selected from a divalent hydrocarbon or hydrocarbonoxy group, where I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups, where M is hydrogen or a cation independently selected from alkali metals, alkaline earth metals, transition metals, metals, metal complexes, quaternary ammonium groups, phosphonium groups, hydrocarbon cations, alkyl cations, organic cations, and cationic polymers,
(ii) zwitterions having the formula (III):
—R′—NR″ 2 + —R′″—I (III)
where R′ is a divalent hydrocarbon radical containing from 1 to about 60 carbon atoms,
R″ is a monovalent hydrocarbon radical containing from 1 to about 60 carbon atoms, and where
R′″ is divalent hydrocarbon radical containing from 2 to about 20 carbon atoms, and,
I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups; and
wherein R 7 , R 14 , R 18 are independently selected from the group consisting of unsaturated monovalent radicals and epoxy group containing radicals and are substantially free from ionic moieties; and
where subscript n and superscript y are independently from 1 to 6 and x is the product of n times y, where the subscript a, b, c, d, e, f, g, h, i, j are zero or positive subject to the following provisos: the sum a+b+c+d+e+f+g+h+i+j is greater than or equal to 2 and less than or equal to 6000, d+e+f is at least 1, a+d+g is greater than zero, b+e+h is greater than zero, c+f+i is greater than zero and a+b+c is greater than zero,
wherein the composition includes the divalent hydrocarbon group of A in formula (II), which is an arylene group selected from the group consisting of —(CH 2 ) l C 6 H 4 (CH 2 ) k —, —CH 2 CH(CH 3 )(CH 2 ) k C 6 H 4 —, and —CH 2 CH(R 1 )(CH 2 ) l C 6 H 3 R 19 —, and —CH 2 CH(R 1 )(CH 2 ) l C 6 H 2 R 1 R 19 — where R 1 is as defined, R 19 is selected from the group consisting of a monovalent radical having from 1 to about 20 carbon atoms, sulfur atom(s), nitrogen atom(s), oxygen atom(s) and a radical containing combinations of the above atoms, where l has a value of 0 to 20, and k has a value of 0 to 20.
3. The composition of claim 1 wherein the divalent hydrocarbon group of A in formula (II) is an alkylene group of the formula —(CHR 20 ) m — where m has a value of 1 to 20, specifically, from 1 to about 10 and R 20 is hydrogen or R 1 .
4. A composition comprising an actinic radiation curable or thermally curable polyorganosiloxane ionomer having the general formula:
M 1 a M 2 b M 3 c D 1 d D 2 e D 3 f T 1 g T 2 h T 3 i Q j (I)
wherein:
M 1 =R 1 R 2 R 3 SiO 1/2
M 2 =R 4 R 5 R 6 SiO 1/2
M 3 =R 7 R 8 R 9 SiO 1/2
D 1 =R 10 R 11 SiO 2/2
D 2 =R 12 R 13 SiO 2/2
D 3 =R 14 R 15 SiO 2/2
T 1 =R 16 SiO 3/2
T 2 =R 17 SiO 3/2
Q=SiO 4/2
wherein R 1 , R 2 , R 5 , R 6 , R 8 , R 9 , R 11 , R 13 , R 15 are aliphatic, aromatic or fluoro monovalent hydrocarbon having from 1 to 60 carbon atoms,
wherein R 3 , R 10 , R 16 are independently selected from —CH 2 CH(R′)(C n H 2 n)—O—(C 2 H 4 O) o —(C 3 H 6 O) p —(C 4 H 8 O) q —R′, wherein subscript n is zero or positive and has a value in the range of 0 to 6, subscripts o, p and q are zero or positive and independently selected from a value in the range of 0 to 100, subject to the limitation that the sum of o+p+q is greater than or equal to 1, R′ is hydrogen or an aliphatic, aromatic or fluoro hydrocarbon having from 1 to 60 carbon atoms,
wherein R 4 , R 12 , R 17 are selected from (i) or (ii):
(i) monovalent radical-bearing ion-pairs, substantially free of free radical polymerizable moieties, and having the formula (II)
A-X x− M n y+ (II);
where A is a spacing group selected from a divalent hydrocarbon or hydrocarbonoxy group, where I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups, where M is hydrogen or a cation independently selected from alkali metals, alkaline earth metals, transition metals, metals, metal complexes, quaternary ammonium groups, phosphonium groups, hydrocarbon cations, alkyl cations, organic cations, and cationic polymers,
(ii) zwitterions having the formula (III):
—R′—NR″ 2 + —R′″-I (III)
where R′ is a divalent hydrocarbon radical containing from 1 to about 60 carbon atoms,
R″ is a monovalent hydrocarbon radical containing from 1 to about 60 carbon atoms, and where
R′″ is divalent hydrocarbon radical containing from 2 to about 20 carbon atoms, and,
I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups; and
wherein R 7 , R 14 , R 18 are independently selected from the group consisting of unsaturated monovalent radicals and epoxy group containing radicals and are substantially free from ionic moieties; and
where subscript n and superscript y are independently from 1 to 6 and x is the product of n times y, where the subscript a, b, c, d, e, f, g, h, i, j are zero or positive subject to the following provisos: the sum a+b+c+d+e+f+g+h+i+j is greater than or equal to 2 and less than or equal to 6000, d+e+f is at least 1, a+d+g is greater than zero, b+e+h is greater than zero, c+f+i is greater than zero and a+b+c is greater than zero,
wherein the composition includes the divalent hydrocarbonoxy group of A in formula (II), which is (CHR 20 ) m —(OCHR 20 CH 2 ) p —(CH 2 ) l —, where l has a value of from 0 to 20, m has a value of 0 to 50 and p has a value from 1 to 50.
5. The composition of claim 1 wherein, in formula (II) M is a cation independently selected from Li, Na, K, Cs, Mg, Ca, Ba, Zn, Cu, Fe, Ni, Ga, Al, Mn, Cr, Ag, Au, Pt, Pd, Pb, Sb, Ru, Sn, Ce, Co, La, Eu, Gd and Rh.
6. A composition comprising an actinic radiation curable or thermally curable polyorganosiloxane ionomer having the general formula:
M 1 a M 2 b M 3 c D 1 d D 2 e D 3 f T 1 g T 2 h T 3 i Q j (I)
wherein:
M 1 =R 1 R 2 R 3 SiO 1/2
M 2 =R 4 R 5 R 6 SiO 1/2
M 3 =R 7 R 8 R 9 SiO 1/2
D 1 =R 10 R 11 SiO 2/2
D 2 =R 12 R 13 SiO 2/2
D 3 =R 14 R 15 SiO 2/2
T 1 =R 16 SiO 3/2
T 2 =R 17 SiO 3/2
T 3 =R 18 SiO 3/2
Q=SiO 4/2
wherein R 1 , R 2 , R 5 , R 6 , R 8 , R 9 , R 11 , R 13 , R 15 are aliphatic, aromatic or fluoro monovalent hydrocarbon having from 1 to 60 carbon atoms,
wherein R 3 , R 10 , R 16 are independently selected from —CH 2 CH(R′)(C n H 2 n)—O—(C 2 H 4 O) o —(C 3 H 6 O) p —(C 4 H 8 O) q —R′, wherein subscript n is zero or positive and has a value in the range of 0 to 6, subscripts o, p and q are zero or positive and independently selected from a value in the range of 0 to 100, subject to the limitation that the sum of o+p+q is greater than or equal to 1, R′ is hydrogen or an aliphatic, aromatic or fluoro hydrocarbon having from 1 to 60 carbon atoms,
wherein R 4 , R 12 , R 17 are selected from (i) or (ii):
(i) monovalent radical-bearing ion-pairs, substantially free of free radical polymerizable moieties, and having the formula (II)
A-X x− M n y+ (II);
where A is a spacing group selected from a divalent hydrocarbon or hydrocarbonoxy group, where I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups, where M is hydrogen or a cation independently selected from alkali metals, alkaline earth metals, transition metals, metals, metal complexes, quaternary ammonium groups, phosphonium groups, hydrocarbon cations, alkyl cations, organic cations, and cationic polymers,
(ii) zwitterions having the formula (III):
—R′—NR′″ 2 + —R′″-I (III)
where R′ is a divalent hydrocarbon radical containing from 1 to about 60 carbon atoms,
R″ is a monovalent hydrocarbon radical containing from 1 to about 60 carbon atoms, and where
R′″ is divalent hydrocarbon radical containing from 2 to about 20 carbon atoms, and,
I is an ionic group selected from the group consisting of sulfonate —SO 3 − , sulfate —OSO 3 − , carboxylate —COO − , phosphonate —PO 3 2− and phosphate —OPO 3 2− groups; and
wherein R 7 , R 14 , R 18 are independently selected from the group consisting of unsaturated monovalent radicals and epoxy group containing radicals and are substantially free from ionic moieties; and
where subscript n and superscript y are independently from 1 to 6 and x is the product of n times y, where the subscript a, b, c, d, e, f, g, h, i, j are zero or positive subject to the following provisos: the sum a+b+c+d+e+f+g+h+i+j is greater than or equal to 2 and less than or equal to 6000, d+e+f is at least 1, a+d+g is greater than zero, b+e+h is greater than zero, c+f+i is greater than zero and a+b+c is greater than zero,
wherein the composition includes the formula (II) wherein M is an organic cation selected from the group consisting of chlorhexidine, biguanide, quaternary ammonium compounds, quarternary phosphonium compounds, chitosan, chitosan derivatives and antimicrobial peptides selected from the group consisting of nisin, pediocin, gomesin, pleuricidin, their derivatives and recombinant forms.
7. The composition of claim 1 wherein R 7 , R 14 , R 18 are curable functional groups independently selected from the group consisting of the following general formula (IV), (V), (VI) and (VII):
wherein R 21 to R 28 are independently selected from hydrogen, aliphatic/aromatic monovalent hydrocarbon having from 1 to 60 carbon atoms,
where X is a divalent hydrocarbon linkage consisting of 1 to 60 carbon atoms and 0 to 20 heteroatoms selected from the group consisting of oxygen, nitrogen and sulfur.
8. The composition of claim 7 wherein R 7 , R 14 , R 18 are curable functional groups independently selected from monovalent radicals containing the group of the general formulae (IV) or (VII):
9. The composition of claim 8 further comprising a thermal or photo initiator.
10. The composition of claim 9 wherein the initiator comprises 0.001-50 parts by weight photoinitiators selected from the group consisting of benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin propyl ether, benzoin-n-butyl ether, benzoin isobutyl ether, acetoin, butyroin, toluoin, benzil, benzophenone, para methoxybenzophenone, 2,2-diethoxyacetophenone, alpha-alpha-dimethoxy-alpha-phenyl acetophenone, methylphenyl glyoxylate, ethyphenyl glyoxylate, 4,4′-bis-(dimethylaminobenzophenone), propiophenone, acetophenone, 1-hydroxycyclohexyl phenyl ketone, 2,2-diethoxyacetophenone, ethlphenylpyloxylate, phenanthraquinone, and 2-hydroxy-2-methyl-1-phenyl-propan-1-one, tetramethylthiuram monosulfide, tetramethylthiuram disulfide, azobisisobutyronitrile, azobis-2,4-dimethylvaleronitrile, benzoyl peroxide, di-tert-butyl peroxide, 7-chlorothioxanthone, 2,4-diethylthioxanthone, 2,4-diisopropylthioxanthone, acylophosphine oxide photoinitiators and combinations thereof.
11. The composition of claim 8 optionally comprising a photosensitizer, selected from benzoin methyl ether or benzophenone/dimethyl ethanol amine.
12. The composition of claim 8 including 0 to 99 parts by weight acrylate derivatives selected from the group consisting of methylacrylate, butylacrylate, propylacrylate, N,N-dimethylacrylamide, methacrylic acid, N-isopropyl acrylamide, 2-hydroxy-ethyl-methacrylate (HEMA) and methacrylic acid, 3-[tris(trimethylsiloxy)silyl]propyl methacrylate, acrylate and methacrylate functional carbosilane molecules, hexafunctional urethane acrylates, dipentaerythritol pentaacrylate, ethoxylated pentaerythritol tetraacrylate, di-trimethylolpropane tetraacrylate, pentaerythritol triacrylate, trimethylolpropane triacrylate, ethoxylated trimethylolpropane triacrylate, butanediol diacrylate, tripropylene glycol diacrylate, trimethylolpropane trimethacrylate, oligofunctional urethane acrylates, tetraacrylate monomer, polyester acrylate oligomers, and combinations thereof.
13. The composition of claim 8 comprising 0 to 99 parts by weight of an unsaturated olefin reactive component.
14. The composition of claim 13 further including an initiator to facilitate reaction between the silicone ionomer and the unsaturated olefin reactive component.
15. The composition of claim 14 wherein the initiator is selected from the group consisting of benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin propyl ether, benzoin-n-butyl ether, benzoin isobutyl ether, acetoin, butyroin, toluoin, benzil, benzophenone, para methoxybenzophenone, 2,2-diethoxyacetophenone, alpha-alpha-dimethoxy-alpha-phenylacetophenone, methylphenyl glyoxylate, ethyphenyl glyoxylate, 4,4′-bis-(dimethylaminobenzophenone), propiophenone, acetophenone, 1-hydroxycyclohexyl phenyl ketone, 2,2-diethoxyacetophenone, ethlphenylpyloxylate, phenanthraquinone, and 2-hydroxy-2-methyl-1-phenyl-propan-1-one; sulfur compounds; azo compounds, organic peroxide compounds, thioxanthone photoinitiators and acylophosphine oxide photoinitiators.
16. The composition of claim 7 comprising a thiol-containing compound.
17. The composition of claim 13 wherein R 7 , R 14 , R 18 are curable functional groups independently selected from the group of the general formula
18. The composition of claim 16 further including 0.001-50 parts by weight of a cationic photoinitiator.
19. The composition of claim 18 wherein the cationic photoinitiator is selected from the group consisting of diaryliodonium salts, triarylsulfonium salts, triarylselenonium salts, tetraarylphosphonium salts and aryldiazonium salts, respectively represented by the formulas R 29 2 I + Y − , R 29 3 S + Y − , R 29 3 Se + Y − , R 29 4 P + Y − and R 29 4 N + Y − wherein, R 29 represents an aryl group, and Y − represents an anion selected from SbF 6 − , AsF 6 − , PF 6 − , HSO 4 − and ClO 4 − .
20. The composition of claim 16 further including one or more of fluorinated alcohols, polyols, acrylates, epoxies, or vinyl ethers.
21. The composition of claim 20 including a fluorinated aliphatic alcohol having from 1 to about 10 carbon atoms.
22. A free radical polymerized composition derived from the organosiloxane composition of claim 1 .
23. The composition of claim 22 wherein said composition is an emulsion.
24. The composition of claim 23 comprises monomers, prepolymers, crosslinkers, initiators, surfactants, co-surfactants, rheology modifiers, solvents, co-solvents and at least one phase immiscible with the said organosiloxane composition of claim 1 .
25. The composition of claim 24 wherein immiscible phase is an aqueous phase.
26. The composition of claim 23 wherein the emulsion is a micro-emulsion.
27. The composition of claim 23 wherein the emulsion is a mini-emulsion.
28. The composition of claim 23 wherein the emulsion is a ternary emulsion.
29. A solution or bulk polymerized composition derived from the organosiloxane composition of claim 1 .
30. The composition of claim 29 comprising monomers, prepolymers, crosslinkers, initiators, surfactants, co-surfactants, rheology modifiers, solvents and co-solvents.
31. A pressure sensitive adhesive prepared from the composition of claim 22 .
32. A pressure sensitive adhesive prepared from the composition of claim 29 .
33. A translucent, water-absorbing film prepared from the compositions of claim 22 .
34. A translucent water-absorbing film prepared from the composition of claim 29 .
35. A hydrogel prepared from the compositions of claim 22 .
36. A hydrogel prepared from the composition of claim 29 .
37. A contact lens made from the hydrogel of claim 35 .
38. A contact lens made from the hydrogel of claim 36 .
39. A coating composition prepared from the composition of claim 22 .
40. A coating composition prepared from the composition of claim 29 .
41. A silicone rubber composition comprising the organosiloxane composition of claim 1 .
42. A product comprising the composition of claim 1 and further including one or more component selected from the group consisting of fillers, UV absorbers, UV stabilizers, cure accelerators, pigments, dyes, antimicrobial agents, biocides, surfactants, conductive fillers, non-reinforcing fillers, plasticizers, tackifiers, mold release agents, adhesion promoters, compatibilizers, pharmaceutical excipients, surfactants, antistatic agents, solvents, flattening agents and thixotropic agents.
43. A product comprising the organosiloxane composition of claim 1 wherein the product is selected from the group consisting of elastomers, gels, healthcare product, personal care product, household product apparel, sporting goods, paints, coatings, oil and gas, adhesives, pressure sensitive adhesives, waterborne coatings and adhesives, sealants, fuel cell, electronic and electrical products, agricultural compositions, textile treating compositions, membranes, injection moldable and compression moldable rubbers and plastics, and various silicone based rubbers, aerospace product, construction product, production of domestic appliances, machine and instrument apparatus and consumer goods.