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WO/2009/140427A2 |
Described herein are copolymers, and methods of making and utilizing such copolymers. Such copolymers have at least two blocks: a first block that has at least one unit that is hydrophilic at physiologic pH, and a second block that has h...
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WO/2009/135876A1 |
The invention relates to diblock copolymers of formula A-B which are constituted of a polymer block A which is substantially constituted of α-olefin entities with 6 to 22 carbon atoms, and a polymer block B which is substantially consti...
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WO/2009/137678A1 |
The present invention relates to an improved method for making sulfonated block copolymers and to methods for making membranes from such block copolymers. In particular, the present invention relates to an improved method for making sulf...
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WO/2009/121911A1 |
An aqueous coating composition (which optionally can coat plastic substrates) the composition comprising a block copolymer and a polymer P; where the block copolymer comprises at least blocks [A]x[B]y; where at least block [A] is obtaine...
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WO/2009/119723A1 |
Disclosed is a fluoroelastomer that, while maintaining cold resistance possessed by cold-resistant fluororubbers, has low hardness and very low permeability to a fuel. Also disclosed are a composition for peroxide vulcanization and an au...
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WO/2008/078055A9 |
The invention relates to a method for preparing a copolymer having a backbone based on methacrylate units, comprising a step involving the polymerisation of one or more precursor methacrylate monomers of said units in the presence of: a ...
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WO/2009/097205A1 |
A pigment dispersant is disclosed comprising a tri-block copolymer having a first block comprising a glycidyl (meth)acrylate reacted with a napthoic acid, a second block comprising (meth)acrylic acid alkyl esters, and a third block compr...
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WO/2009/096375A1 |
Disclosed is an aqueous dispersion containing water and a graft copolymer satisfying the conditions (a)-(e) described below. The aqueous dispersion contains a graft copolymer which exhibits excellent dispersibility in water even when the...
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WO/2009/090253A1 |
There is disclosed a process for obtaining a solvent-borne crosslinkable block copolymer comprising at least blocks [A]x[B]y[C]z, said block copolymer having an acid value < 20 mgKOH/g, where at least blocks [A][B][C] are obtained by a c...
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WO/2009/090252A1 |
There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A]x[B]y (where x is an integer from 3 to 80 (inc.), where y is an integer ≥10 and where y > x) ...
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WO/2009/091779A1 |
Disclosed are four gel compositions that have improved properties over the prior art. These gels include elastosols, solid rubbery gels, UV cured gels and chemically cured gels. The gels are formed from selectively hydrogenated styrene/d...
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WO/2009/085754A1 |
This invention is directed toward interactive segmented block copolymers useful to treat the surface of a substrate by means of interactive functionalities of the interactive segmented block copolymer material binding with complementary ...
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WO/2009/085819A1 |
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 compl...
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WO/2009/085759A1 |
This invention is directed toward reactive segmented block copolymers useful to treat the surface of a substrate by means of reactive functionalities of the reactive segmented block copolymer material reacting with complementary surface ...
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WO/2009/073702A1 |
Linear block copolymers that have at least one hydrophilic block and at least one hydrophobic block, wherein the hydrophilic block of the copolymer has at least one carboxylic acid functionality (or salt thereof) that can readily decarbo...
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WO/2009/071699A2 |
Process for the preparation of a film or a coating on a solid substrate, comprising at least one step of applying to the substrate an aqueous dispersion of polymer particles, composed of a mixture, on the one hand, of one or more block c...
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WO/2009/065774A1 |
The instant invention relates to a two stage grafting process for grafting of unsaturated monomers on polymers wherein at least one stage is carried out in the presence of a stable free nitroxyl radical in supercritical carbon dioxide.
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WO/2009/063719A1 |
Disclosed is a thermoplastic elastomer composition composed of an acrylic block copolymer (A), an acrylic polymer (B) having 1.1 or more reactive functional groups (c) in a molecule, and an inorganic zinc compound (C). The acrylic block ...
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WO/2009/059887A1 |
The invention relates to novel ampholytic copolymers having a controlled architecture. These copolymers can particularly be used in aqueous compositions.
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WO/2009/023353A9 |
A core-shell composite particle for incorporation into a composite wherein the composite has improved transparency is disclosed. The core-shell composite particle includes a core material having a first refractive index and a shell mater...
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WO/2009/038031A1 |
A block copolymer comprising a block (b1) and a block (b2) and/or (b3), wherein (b1) contains a polymerization unit represented by the defined formula (1), (b2) contains a polymerization unit represented thereby, and has attributes diffe...
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WO/2009/037412A1 |
The invention relates to a composition containing at least one lactic acid homopolymer and at least one block copolymer having a polydispersity index of 1.5 to 5, and containing: at least one block A miscible with the homopolymer and com...
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WO/2009/033974A1 |
The invention relates to a method for producing a polymer mixture. Said method comprises a first polymerization step in which monomer M is reacted by radical atom transfer polymerization in a mixture which contains a transition metal sal...
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WO/2009/032448A2 |
Zwitterionic block copolymers having oppositely charged or chargeable terminal groups, and methods of making and using the same, are disclosed. The zwitterionic block copolymers can undergo microphase separation.
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WO/2009/031676A1 |
This invention provides a microphase separated structure film comprising a block copolymer, the block copolymer comprising a hydrophilic polymer component and a hydrophobic polymer component bonded to each other through a constituent uni...
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WO/2009/024495A1 |
The invention relates to a method for preparation of CABAC- and/or ACBCA-penta-block copolymers based on (meth)acrylate, with an OH-functionalizing of the A-blocks.
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WO/2009/011186A1 |
Disclosed is a novel hydroxystyrene-based ABA triblock copolymer which is excellent in resolution, electrical insulation, thermal shock resistance, adhesion and the like. This hydroxystyrene-based ABA triblock copolymer is useful as a ra...
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WO/2008/157578A1 |
The present invention is directed to a block copolymer that is useful for formulating two component coating compositions. The invention is particularly directed to a diblock or a triblock copolymer wherein each block has pre-determined r...
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WO/2008/155324A1 |
A process for obtaining an aqueous emulsion comprising a block copolymer by the solution polymerisation of vinyl monomers to obtain block [B] in the presence of a) a radical precursor; and b) an iodine atom containing block [A]; where bl...
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WO/2008/149033A2 |
The present invention relates to a process for modifying polymers initially bearing dithiocarbonyl groups, especially of xanthate, dithioester or trithiocarbonate type, comprising a step in which the following are brought into contact: -...
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WO/2008/146739A1 |
Disclosed is a thermoplastic polymer composition having good flexibility, lightweightness, moldability and heat resistance, while exhibiting particularly excellent wear resistance. This thermoplastic polymer composition contains at least...
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WO/2008/129213A1 |
The invention relates to a method for the preparation of a diblock copolymer comprising a hydrophilic block (B) and a hydrophobic block (A), or of a triblock copolymer having a hydrophilic block (B), a hydrophobic block (A) and a second ...
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WO/2008/123203A1 |
It is intended to provide a method for producing a macromolecule having a microphase-separated structure having an increased degree of freedom of microphase-separated structure to be formed. A block copolymer composed of two or more segm...
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WO/2008/122576A1 |
An aqueous emulsion comprising at least a covalently bound vinyl oligomer and vinyl polymer, wherein said vinyl oligomer comprises 5 to 85 mol% of vinyl monomers bearing quaternary ammonium ion functional groups or quaternisable amine fu...
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WO/2008/112874A1 |
Methods for preparation of functionalized polyvinylpyrrolidone with polymeπzablβ functions and amphipathic polydimethylsiloxane-PVP block copolymers A (meth)acrylated polyvinylpyrrolidone compound and a (meth)acrylamide-functionalized ...
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WO/2008/104729A1 |
The invention relates to a composition that contains, in weight and for a total of 100 % : from 10 to 40 % of a block copolymer including a central block B with Tg<0°C and at least two side rigid blocks A and A' with Tg>0°C that includ...
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WO/2008/103144A1 |
The present invention is directed to a process for the cleavage of one or more starting polymers having thiocarbonylthio groups of the formula (I) into derived polymers in which the -S-(C=S)- group is transformed. The process includes co...
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WO/2008/095814A1 |
The invention relates to a method for preparing microgel particles according to a method of controlled radical polymerization in an aqueous dispersion using particular control agents of the nitroxide type. Use in the biomedical field, an...
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WO/2008/097300A2 |
An ion gel including an ionic liquid and a block copolymer. The block copolymer includes at least three blocks, and the block copolymer forms a self-assembled ion gel in the ionic liquid. Also, thin film transistors including an ion gel ...
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WO/2008/090063A1 |
The invention relates to a new diblock copoplymer including units derived from styrene and units derived from acrylic acid. It comprises a block containing the units derived from styrene, and a block containing the units derived from acr...
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WO/2008/090774A1 |
Disclosed is a polymer electrolyte membrane mainly containing a crosslinked block copolymer (P) which is composed of a vinyl alcohol polymer block (A) and a polymer block (B) having an ion conducting group. Also disclosed are a membrane-...
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WO/2008/080906A1 |
A polymeric composition for making aqueous polymeric dispersions, comprises hydrophilic macromonomer (I), hydrophobic polymer (II) and bridging monomer (III), wherein the hydrophilic macromonomer (I) and hydrophobic polymer (II) are graf...
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WO/2008/065301A1 |
The present invention relates to a block copolymer comprising: at least a bloc A having a Tg > -60 °C, preferably a Tg > 0 °C, and most preferably > 60 °C, and at least one block B comprising at least one photoactive monomer having a ...
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WO/2008/065163A1 |
Fluorinated lubricants of formula T-O-[A-B]z-[A-B']z'-A-T' (I) wherein: A = -(X)a-O-A'-(X')b- A' is a perfluoropolyether chain comprising units (CF2O), (CF2CF2O), (CF2CF2CF2O), (CF2CF2CF2CF2O); X, X' = -CF2-, -CF2CF2-; a, b = 0 or 1; B d...
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WO/2008/057163A2 |
Functional gel particle formed from a crosslinked polymeric network including a fraction of stable crosslinks and a second fraction of cleavable crosslinks are disclosed. Functional compounds may be chemically or physically encapsulated ...
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WO/2008/043583A1 |
The present invention relates to the in situ silyl end group functionalisation of polymer chains produced by atom transfer radical polymerisation, and to the simultaneous removal of transition metals from polymer solutions.
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WO/2008/034849A1 |
The invention relates to a process for preparing a block copolymer comprising a sequence comprising successively a semi-crystalline and/or hydrolysable block, an elastomeric block and an amorphous block, said process comprising the follo...
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WO/2008/029569A1 |
An adhesive composition containing as the main component a polymer obtained by subjecting a monomer composition comprising styrene, a (meth)acrylic ester having a cyclic structure, and an alkyl (meth)acrylate having a chain structure to ...
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WO/2008/026311A1 |
Disclosed is a highly stable shell crosslinked micelle having stimulus sensitivity inside the micelle, wherein the internal environment changes in response to external stimuli. Specifically disclosed is a shell crosslinked micelle contai...
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WO/2008/025727A1 |
The invention relates to a modified block copolymer obtainable by reaction of at least a part of the cyclic anhydride groups of (i) a polycyclic methacrylic anhydride block copolymer comprising at least one block A comprising a plurality...
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