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WO/2008/035229A2 |
The invention provides compositions and methods for the targeted, in particular, pH targeted, delivery of pharmaceutically active agents in mammals. The compositions comprise pH sensitive diblock copolymers, which permit the release of t...
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WO/2008/034724A2 |
The invention relates to a method and a device for reprocessing a polymer-containing latex dispersion, particularly a latex dispersion containing acrylonitrile butadiene styrene polymers, into polymer powder. In the claimed method, the l...
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WO/2008/022804A1 |
The present invention relates to a foam comprising a polypropylene, wherein said polypropylene is produced in the presence of a metallocene catalyst, and the foam and/or the polypropylene has (have) a) a branching index g' of less than 1...
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WO/2008/020476A1 |
A process in which a block copolymer having a conjugated diene block portion of high vinyl bonding proportion and a vinyl aromatic block portion of narrow molecular weight distribution and exhibiting a narrow molecular weight distributio...
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WO/2008/019722A1 |
The present invention relates to a composition, in particular to a polypropylene composition, and articles thereof, having an optimal balance between mechanical properties and transparency and thus the composition is particular suitable ...
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WO/2008/018409A1 |
A propylene resin composition for packaging materials which has an excellent balance among high transparency, rigidity, low-temperature impact resistance, and blocking resistance; a retort film, protective film, film for medical containe...
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WO/2008/018445A1 |
A hydrogenated block copolymer obtained by selective hydrogenation of a block copolymer comprising at least two polymer blocks (A) which each comprise vinyl aromatic monomer units as the main component and may be the same or different fr...
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WO/2008/015136A1 |
The invention encompasses novel amphiphilic block copolymers comprising a hydrophobic block and a hydrophilic block wherein the hydrophilic block is formed from diallyldialkylammonium salt and the hydrophobic block comprises a polyolefin...
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WO/2008/012116A1 |
The invention relates to a method for producing (meth)acrylate-based ABA triblock copolymers in which the A blocks are amine-functionalized.
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WO/2008/009843A2 |
Method for the preparation of a (meth)acrylic polymer, comprising at least one sequence S predominantly comprising at least one (meth)acrylic monomer M, by means of a titanium complex of formula (I) activated by at least one cocatalyst: ...
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WO/2008/006487A1 |
A polyethylene composition is disclosed having an unpigmented density of at least 946 kg/m3 and a melt index MI5 of 0.05 to 2 g/10 min, and comprising from 48 to 49.5% by weight based on the total weight of the composition of an ethylene...
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WO/2008/006530A1 |
Short-chain-branched polypropylene having xylene solubles of at least 0.5 wt.-%.
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WO/2008/005100A1 |
The invention relates to viscosity modifier polymers, concentrate and lubricant formulations utilizing a diblock polymer having one block A and one block B, block A contributing from 15 to 30% of the total chain length and block B from 7...
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WO/2008/001907A1 |
Disclosed is a block copolymer containing a polymer block A containing a conjugated diene monomer unit, and a polymer block B containing a conjugated diene monomer unit and an aromatic vinyl monomer unit. This block copolymer is characte...
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WO/2007/149897A2 |
A method of preparing a high impact polystyrene comprising contacting styrene monomer, a high cis polybutadiene elastomer, and an initiator under high shear within a reaction zone. A high-impact polystyrene comprising a high cis polybuta...
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WO2006113000B1 |
A polymer composition comprises at least an ethylene/a-oleiln interpolymer and at least one other polymer. The other polymer can be selected from a second ethylene/a-olefm interpolymer, an elastomer, a polyolefin, a polar polymer, and an...
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WO/2007/132901A1 |
The invention provides block copolymers which can form micro- phase separation structure in spite of their having small molecular weights and which can form microphase separation structure of small domain sizes. A block copolymer which i...
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WO2006101932B1 |
A filled polymer composition comprises (i) an ethylene/a-olefin interpolymer, and (ii) a filler. The ethylene/a-olefm interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a hi...
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WO/2007/123110A1 |
Disclosed is a novel transition metal compound which is used for forming a metallocene catalyst for olefin polymerization. Specifically disclosed is a novel transition metal compound represented by the general formula below which enables...
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WO/2007/122016A1 |
The present invention relates to a thermoplastic elastomer composition having a durometer hardness (ASTM D2240) of Shore A 30 to 90 comprising: a) 100 parts by weight of a hydrogenated styrenic block copolymer comprising at least two blo...
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WO/2007/122014A1 |
High molecular weight coupled block copolymer composition comprising (a) a linear diblock copolymer (I) represented by the general formula (A-B), having a peak apparent molecular weight of from 200,000 to 300,000, (b) a linear di-armed b...
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WO/2007/117493A2 |
Graft copolymers as can comprise a wide range of graft side chains available using atom transfer radical polymerization techniques.
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WO/2007/116709A1 |
A propylene random block copolymer (A) which has a melt flow rate of 0.1 to 100g/10min and a melting point of 100 to 155°C, characterized by being composed of 90 to 60wt% of a segment (Dinsol) insoluble in n-decane at room temperature a...
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WO/2007/117566A2 |
A method of preparing a compound of formula (III), comprising reacting a compound of formula (I), with a compound of formula (II), thereby producing the compound of formula (III). The definitions of variables are provided herein. Compoun...
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WO/2007/113208A1 |
The present invention relates to a process for the preparation of ethylene polymers using a number of reactors arranged in series comprising the steps in which a) ethylene, a diluent, a catalyst, a co-catalyst and optionally comonomers a...
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WO/2007/109167A2 |
A continuous process for producing high impact polystyrene comprising feeding at least one vinyl aromatic monomer, an elastomer, and a free radical initiator to a first linear flow reactor to form a reaction mixture, polymerizing the rea...
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WO2006101929B1 |
Cushioning net structures comprise random loops, such as three-dimensional random loops, bonded with one another, wherein the loops are formed by allowing continuous fibers, made of ethylene/a-olefin interpolymers, to bend to come in con...
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WO/2007/106881A1 |
Embodiments of the invention provide a class of propylene/α-olefin block interpolymers. The propylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecul...
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WO/2007/102993A1 |
A block copolymer; a method of reducing the surface tension of a liquid comprising adding to said liquid less than 10 wt % of a surface active agent derived from the block copolymer; a method for modifying the surface chemistry of a poly...
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WO/2007/102227A1 |
Disclosed are a block copolymer having different segments bound to one another and showing various useful physical properties and a process for producing the block copolymer with good efficiency. An olefin block copolymer comprising (i) ...
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WO/2007/094216A1 |
Disclosed is a hydrogenated block copolymer for producing a foam which is excellent in tear strength, compression set resistance, low rebound resilience and wear resistance. Specifically disclosed is a hydrogenated block copolymer of a v...
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WO/2007/094383A1 |
Disclosed is an environmental stress rupture resistance modifier composed of a compound having a structure represented by the general formula (I) below in a molecule, while having a molecular weight of 200-2000. Also disclosed are a meth...
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WO/2007/093376A1 |
The present invention provides a polymer composition comprising: (i) 0.01 to 50 %wt (e.g. 0.05 to 15 %wt) of a propylene polymer comprising a polymeric nucleating agent, said agent preferably containing vinyl compound units; and (ii) a h...
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WO/2007/094258A1 |
Disclosed is a method for producing an isobutylene block copolymer which is composed of a polymer block wherein the main monomer component is isobutylene and another polymer block wherein the main monomer component is not isobutylene. Th...
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WO/2007/094185A1 |
A polyelectrolyte film comprising as the main component a block copolymer which comprises, as components, a polymer block (A) having, as the main repeating units, units of an aromatic vinyl compound in which the hydrogen atoms bonded to ...
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WO2006101968B1 |
This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines due to improved resistan...
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WO/2007/090687A1 |
The present invention concerns shape memory materials comprising polyelectrolyte segments. These segments can be used for fixing a permanent shape and/or such segments can also be employed as switching segments responsible for the fixati...
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WO/2007/088887A1 |
Disclosed is a method for production of a high-MFR polypropylene having excellent product quality with good productivity. The method enables to produce a propylene polymer by a gas phase reaction process in which a reaction heat is remov...
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WO2006102149B1 |
A fiber is obtainable from or comprises an ethylene/a-olefm interpolymer characterized by an elastic recovery, Re, in percent at 300 percent strain and (1) cycle and a density, d, in grams/cubic centimeter, wherein the elastic recovery a...
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WO2006101915B1 |
Anti-blocking polymer compositions comprise at least one ethylene/a-olefÊninterpolymer and at least one anti-blocking agent comprising an amide. The ethylene/a-olefÊn interpolymers are a multi-block copolymer comprising at least one so...
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WO/2007/087604A1 |
The present invention relates generally to monovinylarene-conjugated diene block copolymers adapted for shrinkable film applications. In one embodiment, a block copolymer is provided wherein an oriented 2 mil film of the block copolymer ...
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WO/2007/076370A2 |
Block copolymer particles, and related compositions and methods, are disclosed.
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WO/2007/071447A1 |
The present invention concerns an improved polyolefin composition containing a heterophasic propylene copolymer, a polymeric nucleating agent and low-density polyethylene.
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WO/2007/073553A2 |
Block copolymer particles, and related compositions and methods, are disclosed.
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WO/2007/071445A1 |
The present invention concerns a polypropylene composition comprising a nucleated propylene copolymer having improved optical properties.
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WO/2007/073554A2 |
Block copolymer particles, and related compositions and methods, are disclosed.
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WO/2007/071446A1 |
The present invention concerns a polypropylene composition comprising a nucleated propylene homopolymer having improved optical properties.
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WO/2007/069521A1 |
Disclosed is a block copolymer having a polymer block A and a polymer block B. The polymer block A is mainly composed of an aromatic vinyl compound unit, and the aromatic vinyl compound unit contains a styrene unit wherein an alkyl group...
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WO/2007/070342A2 |
Regioregular polymers of C4 - C2o alpha-olefins of Mn /greater than 1000 g/mol, are obtained.
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WO/2007/058736A1 |
A thermally stable brominated butadiene copolymer, such as brominated styrene/butadiene block copolymer, brominated random styrene/butadiene copolymer or brominated styrene/butadiene graft copolymer, preparation of the brominated butadie...
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