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WO/1996/014346A1 |
A process for preparing hyperbranched polymers from AB monomers using a self-constructing approach is disclosed. Hyperbranched polymers of a living-like character produced by such process are also disclosed.
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WO/1996/011220A1 |
The invention herein relates to polyurethane coating and adhesive compositions containing partially unsaturated monohydroxylated polydiene polymers which are comprised of at least two polymerizable ethenically unsaturated monomers wherei...
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WO/1996/011218A1 |
Multistage process for the polymerization of one or more olefins of the formula CH2=CHR, in which R is hydrogen or an alkyl, cycloalkyl or aryl group having from 1 to 10 carbon atoms, comprising: (A) a first stage of polymerization, in w...
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WO/1996/011216A1 |
The invention relates to a copolymer composition prepared from copolymers of propene and 'alpha'-olefin having 2 to 12 carbon atoms, having high molecular weight, a broad molecular weight distribution and an improved comonomer distributi...
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WO/1996/009332A1 |
Polymerisable oligo and/or polyalkene acids which are block polymers of various polyalkene acids or their derivatives and/or conjugated dienes, with at least one sequence with acid functions or protected acid functions in the side group ...
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WO/1996/000741A1 |
A block polymer having a weight-average molecular weight of 50,000 to 1,000,000 and composed of at least one polyisoprene block having a 1,4-bond content of at least 80 % and a weight-average molecular weight of 25,000 to 500,000 and at ...
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WO/1995/035335A1 |
A rubber elastic block copolymer has at least one block A made of polymerised units of a vinyl aromatic monomer that forms a hard phase and/or a block B with diene monomers that forms a first rubber elastic (soft) phase, and at least one...
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WO/1995/034586A2 |
Thermoplastic moulding materials contain as essential components: (A) 10 to 100 % by weight copolymers from monomers having the general formulas (I) and (II), in which R1 stands for H or an alkyl residue with 1-22 C atoms; R2 stands for ...
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WO/1995/028213A1 |
The invention relates to a stable aqueous dispersion of particles which can be flocculated by increasing the temperature to a value above the transition temperature. The invention is characterized in that the dispersion comprises a polym...
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WO/1995/027740A1 |
A process for producing a propylene polymer composition by conducting a multi-stage polymerization comprising the step (a) of producing a propylene (co)polymer (a) and the step (b) of producing an ethylene copolymer (b) in an arbitrary o...
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WO/1995/027746A1 |
This invention relates to block polymers containing both crystalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin ...
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WO/1995/027741A1 |
A process for producing a propylene polymer composition by conducting a multi-stage polymerization comprising the step (a) of producing a propylene (CO) polymer (a), the step (b) of producing a propylene-olefin copolymer (b), and the ste...
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WO/1995/027745A1 |
This invention relates to block polymers containing both cristalline and elastomeric blocks, the block copolymer having an A block and a B block. The A block is a polyethylene or an ethylene polymer optionally containing an alpha-olefin ...
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WO/1995/026987A1 |
An aqueous polymerization process for the preparation of a water soluble thermoplastic resin or resins comprising heating an aqueous solution comprised of a free radical initiator, a stable free radical agent, at least one polymerizable ...
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WO/1995/025765A2 |
This invention relates generally to a living free radical polymerization of alkene monomers through use of persistent metal centered radicals to attain control of the propagation and termination steps in radical polymerization. This proc...
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WO/1995/025137A1 |
A propylene block copolymer contains 100 parts by weight of a propylene polymer (a) chosen among propylene homopolymers and copolymers having at most 6 % by weight ethylene and/or an alpha-olefin having 4 to 6 carbon atoms; 1 to 100 part...
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WO/1995/021217A1 |
A resin composition which comprises at least one polymer ('alpha') having a number-average molecular weight of 10,000 to 5,000,000 and selected from the group consisting of polymers containing cyclic molecular structure units derived fro...
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WO/1995/021202A1 |
A modified polymer containing a cyclic molecular structure unit represented by general formula (I) and having a number-average molecular weight of 10,000 to 5,000,000, wherein A to F represent monomer units constituting the main chain of...
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WO/1995/020009A1 |
Polymeric compositions based on Linear Low Density Polyethylene (LLDPE) comprising: (A) from 75 to 95 % by weight of an ethylene copolymer with an 'alpha'-olefin CH2=CHR, wherein R is an alkyl radical having from 1 to 10 carbon atoms, an...
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WO/1995/017436A1 |
A composition of the invention includes a polymer component which consists essentially of an asymmetric telechelic polymer having a boron-containing head group. These asymmetric telechelic polymers can also have halogen tail groups. The ...
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WO/1995/016727A1 |
The first synthesis of a multi-arm radial-star polyisobutylene is described. The synthesis occurred by the addition of excess divinylbenzene (DVB) linking reagent to a living polyisobutylene (PIBO) charge, i.e., by the "arm first" method...
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WO/1995/014727A1 |
The invention is drawn to radial block copolymers of the formula: (pS-pI-pBnX), wherein pS is polystyrene, pI is polyisoprene, pB is polybutadiene, X is the residue of a multifunctional coupling agent used in the production of the radial...
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WO/1995/014049A1 |
Block copolymer compositions, comprising (a) for a major part of linear triblock copolymers, comprising: a) two terminal predominantly poly(monovinylaromatic) blocks having a real molecular weight in the range of from 5,000 to 25,000 and...
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WO/1995/013314A1 |
Asymmetric polymers having a precise or improved distribution of saturated, partially hydrogenated, unsaturated arms are prepared by sequentially coupling first and second polymeric arms comprising polymerized conjugated dienes, and then...
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WO/1995/012645A1 |
The present invention encompasses nontapered block copolymers of the following structure D-A-(B-A)n-Dx or (D-A-B)q-Y and adhesives containing them, where A is a vinyl aromatic hydrocarbon polymer block, B and D are hydrogenated conjugate...
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WO/1995/010554A1 |
The present invention provides a process for the living polymerization of aromatic, preferably styrenic monomers initiated from a living polyolefin, particularly polyisobutylene, chain end and thereby provides an efficient method for the...
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WO/1995/007943A1 |
In a gas phase, two stage process for the production of polypropylene copolymers having a good balance of impact strength and stiffness. Polymer cohesiveness, fouling and the production of gels in the second reactor are reduced by the ad...
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WO/1995/007307A1 |
A process for preparing a coupled asymmetric block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene which comprises: (a) adding sufficient anionic polymerization initiator to the vinyl aromatic hydrocarbon monomer to star...
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WO/1995/004085A1 |
The heterogeneous polymerisation of water-insoluble polymer in CO2 is disclosed. The method comprises providing a heterogeneous reaction mixture comprising CO2, a monomer, and a surfactant, then polymerizing the monomer to form a water-i...
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WO/1995/000566A1 |
There are disclosed novel, solid, elastomeric block copolymers having excellent oxidative and thermal stability, wherein the terminal blocks are each a polymer (D polymer) of at least one conjugated diene D, which is a hydrocarbon contai...
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WO/1994/028042A1 |
The invention concerns multiphase propylene block copolymers made from (a) a propylene polymer including 0 to 5 % by wt. of other, C2-C10, alk-1-enes and (b) a copolymer of propylene with 5 to 98 % wt. of other, C2-C10, alk-1-enes, the m...
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WO/1994/024112A1 |
A reactive monomer for preparing ultraviolet absorbing polymers has formula (I) wherein R1 is a halogen or C1-C6 straight or branched chain alkoxy group; and R2 is a -(CH2)3O-, -(CH2)2O-, -CH(CH3)CH2O-, -CH2CH(CH3)O-, -(CH2)3OCH2-, -(CH2...
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WO/1994/022931A1 |
A process is provided for preparing block copolymer compositions, which process comprises the subsequent steps of: (1) polymerizing vinyl aromatic monomer in an inert hydrocarbon solvent in the presence of an organolithium initiator unti...
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WO/1994/021700A1 |
A process for the production of block copolymers of ethylene and an alpha-olefin such as propylene by using an ionic catalyst system including a metallocene component and a component having a cation capable of donating a proton and a com...
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WO/1994/019382A1 |
A propylene block copolymer composed of 50-95 wt.% of a specified propylene polymer block (A) comprising either propylene units only or a combination of propylene units with at most 4 wt.% of C2-C8 olefin units and 50-5 wt.% of an ethyle...
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WO/1994/017115A1 |
The present invention is directed to a novel polymodal asymmetric elastomeric block copolymer and a pressure sensitive adhesive and tape made therefrom. The novel block copolymer comprises from about 4 to about 40 percent by weight of a ...
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WO/1994/017112A2 |
Processes for polymerizing ethylene/a-olefin interpolymer compositions are disclosed. The interpolymer compositions have a controlled composition and a controlled molecular weight distribution. The processes utilize a highly-efficient ho...
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WO/1994/012190A1 |
Health and beauty aid compositions comprise one or more health or beauty aid components contained in a gel comprising a mineral oil containing blends of di- and triblock copolymers based on synthetic thermoplastic rubbers.
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WO/1994/011412A1 |
Disclosed is a free radical polymerization process for the preparation of a thermoplastic resin or resins comprising heating a mixture of a free radical initiator, a stable free radical agent, and at least one polymerizable monomer compo...
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WO/1994/005717A1 |
A block copolymer composed of an aromatic vinyl compound polymer block, a butadiene polymer block and an isoprene polymer block. It has the weight-average molecular weight of 10,000 to 500,000, the content of the bonded aromatic vinyl co...
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WO/1994/000499A1 |
An epoxidized, conjugated diene-based star polymer having more than four arms and comprising from 0.05 to 5 Meq of di-, tri- and tetra-substituted olefinic epoxides and the molecular weights of the arms are from 1.500 to 15.000.
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WO/1993/024537A1 |
Carboxylated styrene-diene block copolymers are produced by high yield radical grafting of 0.2 to 10 parts by mass $g(b)-ethylenically unsaturated monocarboxylic and/or dicarboxylic acids or their anhydrides (carboxylic monomers), if req...
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WO/1993/024547A1 |
Radiation sensitive block copolymers (AB)p(B)qX wherein A is a poly(vinylaromatic) block and B is a poly(butadiene) block, wherein X is the residue of a polyvalent coupling agent, wherein p has a number average value of at least 1.5 and ...
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WO/1993/022355A1 |
An improved method of free radical polymerization conducted in the presence of a relatively low molecular weight macromonomer such as can be made with a metal chelate chain transfer catalyst. This method has various uses, including reduc...
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WO/1993/020142A1 |
A thermoplastic resin composition containing glass fibers, which is excellent in the balance between processability and tapping strength and in the thermal resistance, comprises: A) 10-60 wt.% of a terpolymer composed of N-phenylmaleimid...
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WO/1993/017057A1 |
This application discloses linear methacrylic ABC triblock polymers in which the composition of each of the three blocks is different and wherein at least one of the blocks is hydrophobic and at least one of the blocks is hydrophilic.
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WO/1993/017058A1 |
An adhesive which contains a tackifying resin and a branched three-armed block copolymer composition comprised of polymeric blocks wherein the molecular weight is from about 180,000 to about 250,000, the polystyrene content is from about...
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WO/1993/016120A1 |
The synthesis of poly(isobutylene-b_-methyl vinyl ether) (PIB-b_-PMeVE) by living carbocationic polymerization (LC+Pzn) employing the sequential monomer addition (SMA) technique is described. The process starts by producing the living PI...
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WO/1993/016121A2 |
There are disclosed novel, solid, elastomeric block copolymers with improved resistance to cold flow wherein either 1) the terminal blocks are each a polymer (I polymer) of at least one conjugated diene (I), e.g., isoprene, which contain...
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WO/1993/013143A1 |
A new process of interpolymerizing ethylene interpolymer products having improved properties, such as increased onset of crystallization temperature, is disclosed. Preferably, the process comprises interpolymerizing a first homogeneous e...
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