Amphiphilic polysiloxane prepolymers and uses thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08G-077/06
C08G-077/388
C08G-077/458
G02B-001/04
C08F-290/06
출원번호
US-0014631
(2013-08-30)
등록번호
US-8987403
(2015-03-24)
발명자
/ 주소
Chang, Frank
Scott, Robert
Huang, Jinyu
Medina, Arturo N.
Smith, Dawn A.
Sanders, Laura A.
Pruitt, John Dallas
출원인 / 주소
Novartis AG
대리인 / 주소
Zhou, Jian
인용정보
피인용 횟수 :
0인용 특허 :
220
초록▼
The present invention provides an amphiphilic polysiloxane prepolymer which comprises hydrophilic monomeric units derived from at least one hydrophilic vinylic monomer, polysiloxane crosslinking units derived from at least one polysiloxane crosslinker having at least two terminal ethylenically-unsat
The present invention provides an amphiphilic polysiloxane prepolymer which comprises hydrophilic monomeric units derived from at least one hydrophilic vinylic monomer, polysiloxane crosslinking units derived from at least one polysiloxane crosslinker having at least two terminal ethylenically-unsaturated groups, dangling polysiloxane chains each of which is terminated with one ethylenically unsaturated group, and chain-transfer units derived from a chain transfer agent other than a RAFT agent. A prepolymer of the invention is suitable for making hydrogel contact lenses. The present invention is also related to hydrogel contact lenses made from an amphiphilic polysiloxane prepolymer of the invention and to processes for preparing an amphiphilic polysiloxane prepolymer of the invention and for making silicone hydrogel contact lenses.
대표청구항▼
1. A partially ethylenically-functionalized polysiloxane, which is a mixture of reaction products obtained by reacting an ethylenically functionalizing vinylic monomer having a first reactive functional group with a linear functional polysiloxane compound having two terminal second reactive function
1. A partially ethylenically-functionalized polysiloxane, which is a mixture of reaction products obtained by reacting an ethylenically functionalizing vinylic monomer having a first reactive functional group with a linear functional polysiloxane compound having two terminal second reactive functional groups at a molar equivalent ratio, REquivalent, of from about 40% to about 97%, wherein each first reactive functional group reacts with one second reactive functional group in the presence or absence of a coupling agent to form a covalent bond or linkage, wherein the mixture of reaction product comprises (REquivalent)2×100% by mole of a linear polysiloxane crosslinkers having two terminal ethylenically-unsaturated groups, 2×REquivalent×(1−REquivalent)×100% by mole of a polysiloxane vinylic monomer or macromer having one terminal second reactive functional group and one terminal ethylenically-unsaturated group, and (1−REquivalent)×(1−REquivalent)×100% by mole of unreacted linear polysiloxane compound with two terminal second reactive functional groups. 2. The partially ethylenically-functionalized polysiloxane of claim 1, wherein REquivalent is from about 50% to about 95%. 3. The partially ethylenically-functionalized polysiloxane of claim 1, wherein REquivalent is from about 60% to about 92%. 4. The partially ethylenically-functionalized polysiloxane of claim 1, wherein REquivalent is from about 70% to about 90%. 5. The partially ethylenically-functionalized polysiloxane of claim 1, wherein the linear functional polysiloxane compound is defined by formula (1) FG-G1-PDMS-G2-FG (1)CR(-G1-PDMS-G2-FG)a1 (2) in which G1 and G2 independent of each other are a linear or branched C1-C10 alkylene divalent radical, a divalent radical of alk′-Oqalk- in which q is an integer of from 1 to 5 and alk and alk′ independent of each other is a C1-C6 alkylene divalent radical, or a divalent radical of -R′1-X1-E-X2-R′2-in which R′1 and R′2 independent of each other is a linear or branched C1-C10 alkylene divalent radical or a divalent radical of alk′-Oqalk- as defined above, X1 and X2 independent of each other are a linkage selected from the group consisting of in which R′ is H or C1-C8 alkyl, E is an alkyl diradical, a cycloalkyl diradical, an alkylcycloalkyl diradical, an alkylaryl diradical, or an aryl diradical with up to 40 carbon atoms which may have ether, thio, or amine linkages in the main chain;PDMS is a polysiloxane divalent radical of formula (3) in which ν is 0 or 1, ω is an integer of from 0 to 5, U1 and U2 independent of each other represent a divalent radical of -R′1-X1-E-X2-R′2- as defined above or a divalent radical of alk′-Oqalk- as defined above, D1, D2 and D3 independently of each other are a divalent radical selected from the group consisting of —(CH2CH2O)t—CH2CH2— in which t is an integer of 3 to 40, —CF2—(OCF2)a—(OCF2CF2)b—OCF2— in which a and b independent of each other is an integer of 0 to 10 provided that a+b is a number in the range of 10 to 30, and a divalent group of formula (4) in which R3, R4, R5′, R6, R7, R8, R9 and R10, independently of one another, are C1-C10 alkyl, C1-C10 aminoalkyl, C1-C10 hydroxyalkyl, C1-C10 ether, C1-C4 alkyl- or C1-C4-alkoxy-substituted phenyl, C1-C10 fluoroalkyl, C1-C10 fluoroether, C6-C18 aryl radical, cyano(C1-C12-alkyl), -alk-(OCH2CH2)n—OR11, in which alk is C1-C6 alkylene divalent radical, R11 is hydrogen or C1-C6 alkyl, and n is an integer of from 1 to 10; m and p independently of each other are an integer of from 0 to 350 and (m+p) is from 1 to 700, provided that at least one of D1, D2 and D3 is represented by formula (4);CR is a multivalent organic radical having a valence of a1;a1 is an integer of 3, 4 or 5; andFG is selected from the group consisting of amino group (—NHR′ as defined above), hydroxyl group, carboxylic acid group, acid halide groups (—COX, X═Cl, Br, or I), acid anhydrate group, aldehyde group, azlactone group, isocyanate group, epoxy group, aziridine group, thiol (—SH), and amide groups (—CONH2). 6. The partially ethylenically-functionalized polysiloxane of claim 5, wherein the ethylenically functionalizing vinylic monomer is selected from the group consisting of C1 to C6 hydroxylalkyl (meth)acrylate, C1 to C6 hydroxyalkyl (meth)acrylamide, C1 to C6 aminoalkyl (meth)acrylate, allylalcohol, allylamine, C1 to C6 aminoalkyl (meth)acrylamide, aziridinyl C1-C12 alkyl (meth)acrylate (e.g., 2-(1-aziridinyl) ethyl (meth)acrylate, 3-(1-aziridinyl) propyl (meth)acrylate, 4-(1-aziridinyl) butyl (meth)acrylate, 6-(1-aziridinyl) hexyl (meth)acrylate, or 8-(1-axiridinyl) octyl (meth)acrylate), glycidyl (meth)acrylate, C1 to C6 alkyl (meth)acrylic acid, (meth)acrylic acid halide (—COX, X═Cl, Br, or I), C1 to C6 isocyanatoalkyl (meth)acrylate, 2-vinyl-4,4-dimethyl-1,3-oxazolin-5-one, 2-isopropenyl-4,4-dimethyl-1,3-oxazolin-5-one, 2-vinyl-4-methyl-4-ethyl-1,3-oxazolin-5-one, 2-isopropenyl-4-methyl-4-butyl-1,3-oxazolin-5-one, 2-vinyl-4,4-dibutyl-1,3-oxazolin-5-one, 2-isopropenyl-4-methyl-4-dodecyl-1,3-oxazolin-5-one, 2-isopropenyl-4,4-diphenyl-1,3-oxazolin-5-one, 2-isopropenyl-4,4-pentamethylene-1,3-oxazolin-5-one, 2-isopropenyl-4,4-tetramethylene-1,3-oxazolin-5-one, 2-vinyl-4,4-diethyl-1,3-oxazolin-5-one, 2-vinyl-4-methyl-4-nonyl-1,3-oxazolin-5-one, 2-isopropenyl-4-methyl-4-phenyl-1,3-oxazolin-5-one, 2-isopropenyl-4-methyl-4-benzyl-1,3-oxazolin-5-one, 2-vinyl-4,4-pentamethylene-1,3-oxazolin-5-one, and 2-vinyl-4,4-dimethyl-1,3-oxazolin-6-one, with 2-vinyl-4,4-dimethyl-1,3-oxazolin-5-one (VDMO), 2-isopropenyl-4,4-dimethyl-1,3-oxazolin-5-one (IPDMO), and combinations thereof.
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