Surface active segmented block copolymers

Abstract

This invention is directed toward surface active segmented block copolymers useful to treat the surface of a substrate by means of surface active functionalities of the surface active segmented block copolymer material binding with complementary surface functionalities of the polymer substrate.

1 . A surface active segmented block copolymer comprising a hydrophobic unit block comprising vinylically unsaturated polymerizable monomers and a hydrophilic block comprising vinylically unsaturated polymerizable monomers. 
   
   
       2 . The surface active segmented block copolymer of  claim 1  wherein the hydrophobic unit comprises a vinylically unsaturated polymerizable monomer selected from the group consisting of methacryloxypropyl tris(trimethyl-siloxy)silane or tris(trimethylsiloxy)silylpropyl methacrylate, 3-(trimethylsilyl)propyl vinyl carbonate; 3-(vinyloxycarbonylthio)propyl-[tris(trimethylsiloxy)silane]; 3-[tris(tri-methylsiloxy)silyl]propyl vinyl carbamate; 3-[tris(trimethylsiloxy)silyl]propyl allyl carbamate; 3-[tris(trimethylsiloxy)silyl]propyl vinyl carbonate; hexyl methacrylate, dodecyl methacrylate, lauryl methacrylate, hexyl vinyl carbamate, hexyl vinyl carbonate, octafluoropentamethacrylate, octafluoropenta vinyl carbamate, and mixtures thereof. 
   
   
       3 . The surface active segmented block copolymer of  claim 1  wherein the hydrophilic block comprises vinylically unsaturated polymerizable monomers selected from the group consisting of 2-hydroxyethyl methacrylate, glycerol methacrylate, methacrylic acid, acrylic acid, methacrylamide, acrylamide, N,N′-dimethylmethacrylamide, N,N′-dimethylacrylamide; ethylenically unsaturated poly(alkylene oxide)s, cyclic lactams, N-vinyl-2-pyrrolidone, hydrophilic vinyl carbonate, hydrophilic vinyl carbamate monomers, 2-hydroxyethyl acrylate, 2-(2-ethoxyethoxy)ethyl (meth)acrylate, glyceryl (meth)acrylate, poly(ethylene glycol (meth)acrylate), tetrahydrofurfuryl (meth)acrylate, N-vinyl acetamide, copolymers, derivatives and combinations thereof. 
   
   
       4 . The surface active segmented block copolymer of  claim 1  wherein the block of the hydrophobic unit comprises between 1 and about 1,000 units. 
   
   
       5 . The surface active segmented block copolymer of  claim 1  wherein the block of the hydrophobic unit comprises between 1 and about 100 units. 
   
   
       6 . The surface active segmented block copolymer of  claim 1  wherein the block of the hydrophobic unit comprises between 1 and about 30 units. 
   
   
       7 . The surface active segmented block copolymer of  claim 1  wherein the hydrophilic block comprises between 1 and about 10,000 units. 
   
   
       8 . The surface active segmented block copolymer of  claim 1  wherein the hydrophilic block comprises between about 10 and about 1,000 units. 
   
   
       9 . The surface active segmented block copolymer of  claim 1  wherein the hydrophilic block comprises between about 20 and about 300 units. 
   
   
       10 . A surface active segmented block copolymer having the following generic formula (I):
   R1-[(A)m]p-[(B)n]q-X   (I)   
     wherein R1 is a reactive residue of a moiety capable of acting as an initiator for Atom Transfer Radical Polymerization, A is a hydrophobic unit block, B is a hydrophilic unit block, m is 1 to 10,000, n is 1 to 10,000, p and q are natural numbers, and X is a halogen capping group of an initiator for Atom Transfer Radical Polymerization or a derivatized reaction product. 
   
   
       11 . A surface active segmented block copolymers having the following generic formula (II):
   R1-[(A)m]p-[(B)n]q-R2   (II)   
     wherein R1 is a radical forming residue of a RAFT agent or free radical initiator, A is a hydrophobic unit block, B is a hydrophilic unit block, m is 1 to 10,000, n is 1 to 10,000, p and q are natural numbers, and R2 is a thio carbonyl thio fragment of the chain transfer agent or a derivatized reaction product. 
   
   
       12 . A surface active segmented block copolymers having the following generic formula (III):
   R1-[(B)n]q-[(A)m]p-R2-[(A)m]p-[(B)n]q-R1   (III)   
     wherein R1 is a radical forming residue of a RAFT agent or free radical initiator, A is a chemical binding unit block, B is a hydrophilic unit block, m is 1 to 10,000, n is 1 to 10,000, p and q are natural numbers, and R2 is a thio carbonyl thio group. 
   
   
       13 . The surface active segmented block copolymer of  claim 10  wherein one of the chemical binding unit block or the hydrophilic block is a statistical copolymerization or compositionally heterogeneous block. 
   
   
       14 . The surface active segmented block copolymer of  claim 11  wherein one of the chemical binding unit block or the hydrophilic block is a statistical copolymerization or compositionally heterogeneous block. 
   
   
       15 . The surface active segmented block copolymer of  claim 12  wherein one of the chemical binding unit block or the hydrophilic block is a statistical copolymerization or compositionally heterogeneous block. 
   
   
       16 . The surface active segmented block copolymer of  claim 10  wherein the hydrophobic unit block comprises vinylically unsaturated polymerizable monomers and the hydrophilic block comprises vinylically unsaturated polymerizable monomers. 
   
   
       17 . The surface active segmented block copolymer of  claim 11  wherein the hydrophobic unit block comprises vinylically unsaturated polymerizable monomers and the hydrophilic block comprises vinylically unsaturated polymerizable monomers. 
   
   
       18 . The surface active segmented block copolymer of  claim 12  wherein the hydrophobic unit block comprises vinylically unsaturated polymerizable monomers and the hydrophilic block comprises vinylically unsaturated polymerizable monomers.