| Document |
Document Title |
|
WO/1993/007210A1 |
Film having good blocking properties and low coefficient of friction is prepared without the presence of antiblock additives from certain thermoplastic ethylene interpolymer products. The thermoplastic ethylene interpolymer products have...
|
|
WO/1993/007194A1 |
A novel thermoplastic elastomer (TPE) which comprises (i) polymeric A blocks in which there are side chains comprising crystallizable moieties having a melting point Tq, and (ii) at least one amorphous polymeric B block having a glass tr...
|
|
WO/1993/006145A1 |
The invention concerns a method of producing multi-phase block copolymers, the method being characterized in that, in the gas phase, in the presence of a metalocene catalyst system at temperatures of -50 to +300 °C and pressures of 1 to...
|
|
WO/1993/004100A1 |
The invention relates to a process for the production of polymers by the living cationic polymerization of vinyl ethers, in which process the polymerization is terminated by the addition of a hydroxyl-containing component while adding an...
|
|
WO/1993/003078A1 |
Process for the preparation of LLDPE with improved processability by gas phase polymerization performed in two or more reactors, wherein, whatever the order, in one of the reactors a mixture of ethylene and an alpha-olefin CH2=CHR, where...
|
|
WO/1993/002110A1 |
An olefin polymerization process is provided wherein an olefin chargestock is contacted with an organic compound polymerization initiator, a Lewis acid coinitiator and a pyridine compound such as 2,6-di-tert-butylpyridine to produce homo...
|
|
WO/1993/001592A1 |
Magnetic recording medium of the type comprising magnetizable particles dispersed in a binder, wherein the binder comprises a star block copolymer having an average of at least six arms.
|
|
WO/1993/000375A1 |
A polypropylene resin which has very high rigidity, heat resistance and impact resistance, is well balanced among these properties, and is characterized in that: (1) the content of $g(a)-olefin units other than propylene is 4 mole % or l...
|
|
WO/1992/020725A1 |
Radial block copolymers characterized by the formulae: (1) (pS-pI)nX and (2) (pS-pI-pB)nX where pS is polystyrene, pI is polyisoprene, pB is butadiene, X is a residue of a multifunctional coupling agent used in the production of the radi...
|
|
WO/1992/020015A1 |
An electrophotographic photoreceptor improved in electrostatic characteristics and image pickup and particularly excellent in the reproduction of highly precise images by the use of a liquid developer and in the image pickup according to...
|
|
WO/1992/018907A1 |
An electrophotographic photoreceptor improved in electrostatic characteristics and image pickup and particularly excellent in the reproduction of highly precise images by the use of a liquid developer and in the image pickup according to...
|
|
WO/1992/016568A1 |
The present invention relates to hydrogenated polybutadiene comprising monomeric units of 1,4-butadiene and 1,2-butadiene addition products. The copolymer is hydrogenated and comprises at least 10 % by weight of at least one crystallizab...
|
|
WO/1992/015619A1 |
A two-step polymerization process for producing a polyolefin having a bimodal molecular weight distribution is provided. In step one, under polymerization conditions, at least two different alpha-olefins are contacted with a catalyst sys...
|
|
WO/1992/014543A1 |
In accordance with the present invention there is provided a method of making a cascade polymer including the steps of alkylating the branches of a multi-branch core alkyne building block including multiple ether side chains and simultan...
|
|
WO/1992/013011A1 |
A thermoplastic elastomeric block copolymer comprising olefin elastomeric mid block units and terminal polystyrene units having acylation substitution in an amount sufficient to raise the glass transition temperature of the polymer. The ...
|
|
WO/1992/012182A1 |
The invention concerns a multi-stage process for producing polyethylene having a bimodal and/or broad molecular weight distributioin in the presence of an ethylene polymerizing catalyst system in a multistep reaction sequence, in which t...
|
|
WO/1992/007013A1 |
The present invention relates to novel copolymers and contact lenses made from these copolymers comprising preformed silicone-containing acrylic star polymers, graft copolymers and macro-monomers, preparation of these contact lenses and ...
|
|
WO/1992/006125A1 |
A multiblock copolymer comprising endblocks of phenylbutadiene and an elastomeric midblock of a conjugated diene such as isoprene or butadiene is disclosed. The copolymer is crosslinkable by EB radiation such that the crosslinks are conf...
|
|
WO/1991/012285A1 |
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...
|
|
WO/1991/012284A1 |
A functionalized multisequenced macromonomer of formula (I) or formula (II), wherein each of blocks A, B and C represents a sequence of a monomer selected from the classes of acrylic, vinylaromatic, methacrylic, diene-containing, vinylpy...
|
|
WO/1991/012288A1 |
Block copolymers of vinyl monomers and thioarylene segments are prepared from copoly(arylene sulfide-disulfides), i.e., copoly(arylene sulfides) having an appreciable quantity of disulfide linkages in the polymer chains. Such copoly(aryl...
|
|
WO/1991/011471A1 |
A block copolymer of polyalkylene and halogenated polystyrene comprises the formula: S'-A-(A-S')m, in which m is 0, 1, 2, 3 or 4, A is a saturated polyalkylene, and S' is nuclear brominated polystyrene having from about 0.5 to about 5 br...
|
|
WO/1991/011468A1 |
Block copolymers comprise a polyisobutylene rubbery soft segment of Mn of about 5,000 to about 500,000 and glassy hard segments of Mn of about 5,000 or higher and usually about 10,000 to 35,000 or more, are made by preparing a living pol...
|
|
WO/1991/008259A1 |
A flexible polypropylene resin suitable as thermoplastic elastomer, etc.; a propylene elastomer composition comprising said resin; and a process for producing an olefin polymer to be used in the production of said resin and said composit...
|
|
WO/1991/002039A1 |
Polystyrene-polyisoprene-polystyrene block copolymers, hot-melt adhesive compositions constituted of polystyrene-polyisoprene-polystyrene block copolymers, and articles of manufacture produced therefrom. These copolymers possess blocks o...
|
|
WO/1991/000874A1 |
Trisequenced copolymer A-B-C with an Mn from 3 000 to 300 000 and a polydispersity from 1.05 to 2.0, A and C both being an acrylic, vinylaromatic, methacrylic or maleimide sequence, B being an acrylic, vinylaromatic or methacrylic sequen...
|
|
WO/1991/000882A1 |
The copolymers described are represented by general formula (I), in which either PA = a vinylaromatic or methacrylic polymer sequence; PB = an acrylic polymer sequence; and PC, possibly present, a methacrylic polymer sequence; or PA and ...
|
|
WO/1990/015084A1 |
The initiating system for the anionic polymerisation of acrylic monomers, and where necessary, vinyl comonomers, including at least one R-M initiator in which M = a metal chosen from among the alkaline and alcaline earth metals and R = a...
|
|
WO/1990/009403A1 |
Alkoxysilyl terminated polymers are prepared with narrow molecular weight distributions, predictable molecular weights, and high functionality. The functionality is controlled by employing either a monofunctional (f=1) or difunctional (f...
|
|
WO/1990/005753A1 |
A hydrogenated block copolymer having a number-average molecular weight of 40,000 to 700,000 and a thermoplastic resin composition comprising the same are disclosed. Said copolymer is obtained by hydrogenating a block copolymer (I) or (I...
|
|
WO/1990/005764A1 |
A propylene-ethylene copolymer composition and a process for its production are disclosed. The composition comprises: (a) 10 to 25 parts by weight of a propylene-ethylene copolymer containing 90 wt.% or more ethylene component; and (b) 7...
|
|
WO/1989/010378A1 |
Coupling of block base copolymers terminated by a lithium atom of the typical formula S-B-Li, in which S is a monovinylaromatic hydrocarbon block and B is a conjugated diene block, by the use of at least one difunctional deactivating cou...
|
|
WO/1989/009242A1 |
A block copolymer composition comprising: 1) 10-60 % by weight of a block copolymer [(A-B1)l1]m-Y1, 2) 20-90 % by weight of a block copolymer [(A-B2)l2]n-Y2, and 3) 0-50 % by weight of a block copolymer (A-B2)l3, in which A represents an...
|
|
WO/1989/008128A1 |
A block copolymer composition comprising 40-85% by weight of a block copolymer A1-B1 from an aromatic vinyl compound and a conjugated diene, respectively, A1 being < 20% by weight of (A1+B1), A1 and B1 having a molecular weight > 12,000 ...
|
|
WO/1989/006660A1 |
Block copolymer composition containing 30 % by weight of an aromatic vinyl compound-conjugated diene block copolymer having an aromatic vinyl compound content of 10-90 % by weight and of formula (A-B)nX, in which "A" is the aromatic viny...
|
|
WO/1989/004843A1 |
Narrow molecular weight telechelic and/or block copolymers are prepared by anionic polymerization using an initiator composition comprising a multifunctional lithium initiator in combination with an organic diamine or triamine and option...
|
|
WO/1988/000599A1 |
A process for preparing a propylene copolymer having excellent flow properties with an MFR value of 10 g/10 min or above. This process comprises a first polymerization step composed of at least two stages and a subsequent polymerization ...
|
|
WO/1987/007265A1 |
Process for the preparation of beta-ketoesters or beta-sulfonylesters wherein silylketene acetals, including ''living'' (meth)acrylic polymers prepared by Group Transfer Polymerization (GTP), are reacted with an acyl compound, such as di...
|
|
WO/1987/006250A1 |
A rubber composition which contains at least 20 wt % of a block copolymer composed of two kinds of blocks with specific structures and obtained by copolymerizing an aromatic vinyl compound with a conjugated diene compound in a hydrocarbo...
|
|
WO/1987/005610A1 |
Diene polymers of 10,000 to 1,000,000 in weight-average molecular weight measured according to GPC, represented by general formula (I), wherein D1 represents a diene polymer, R1 represents an active hydrogen-free organic group containing...
|
|
WO/1987/005312A1 |
Compositions comprising at least one elastomer and at least one plastic. Elastomer-plastic blends present problems such as cure rate and processability variations. By the use of an elastomer having a particularly narrow molecular weight ...
|
|
WO/1987/003606A1 |
Copolymers comprising ethylene, alpha-olefin, and olefinic chlorosilane or olefinic hydrocarbon halide, and method of preparing copolymers. The copolymers may be in the form of statistical copolymers, or may be formed of first and second...
|
|
WO/1987/003603A1 |
Ziegler-Natta catalyzed polymer chains are end capped with at least one functional group-containing unit which is otherwise essentially absent from said polymer chain. The chains can be grafted to form graft copolymers and star copolymer...
|
|
WO/1986/005794A1 |
Terpolymers comprising propylene and small amounts of ethylene and butene-1 are made in a two-stage process wherein a relatively high melting random terpolymer is made in a first stage and a relatively low-melting random terpolymer incor...
|
|
WO/1986/003755A1 |
Nodular copolymer and method of preparing a nodular copolymer by preparing a copolymer chain and coupling it with a coupling agent. The copolymers which form the nodular copolymer are formed of first and second segments, of which the sec...
|
|
WO/1986/000626A1 |
Large star polymers, including acrylics, are made preferably by group transfer polymerization techniques by arm-first, core-first, or arm-core-arm approaches.
|
|
WO/1986/000316A1 |
A 3-methylbutene-1 polymer composition comprising 10 to 95 wt % of 3-methylbutene-1 homopolymer or a copolymer of 3-methylbutene-1 with other alpha-olefin having 2 to 12 carbon atoms (containing more than 90 wt % of 3-methylbutene-1) and...
|
|
WO/1985/005116A1 |
A pressure sensitive adhesive composition comprises an ABA block copolymer wherein the A block is a copolymer of styrene and alpha-methylstyrene and the B block is a diene polymer. The diene polymer can be butadiene, isoprene or a copoly...
|
|
WO/1985/005111A1 |
A gas fluidised bed process for the production of copolymers having a density between 0.900 and 0.935, which process comprises copolymerisation of (a) ethylene, (b) propylene and/or 1-butene, and (c) alpha-olefins comprising from 5 to 8 ...
|
|
WO/1983/001625A1 |
An erasable ink containing a thermoplastic block copolymer, pigment particles, and a solvent. In a preferred embodiment, an erasable ink requiring little or no pressurization is provided by employing a mixture of radial and linear block ...
|
