Abstract: A composition for film formation which can form a film suitable for use as an interlayer dielectric in a semiconductor device, etc. and having an appropriate even thickness and can give a film having excellent characteristics including permittivity and Young's modulus; and a dielectric film obtained from the film-forming composition. The composition contains a compound (X) having a functional group which is partly eliminated by heating, irradiation with light, irradiation with radiation, or a combination thereof to generate volatile matter and yield an unsaturated group in the remaining part of the functional group.

Abstract: A chemical two-component mortar compound including a resin component (A) that contains at least one radically curable, ethylenically unsaturated compound (a) as the curable component, and including a separately arranged so as to inhibit reaction curing component (B) that contains a curing agent for the resin of the resin component (A), with improved adhesion to the surface of partially cleaned and/or moist holes in mineral substrates, characterized by a content of 0.

Abstract: The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad bimodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants.

Abstract: Provided are a method of producing a graft copolymer, the method involving subjecting a radically polymerizable monomer to living radical graft polymerization with a rubber component formed of a natural rubber and/or a synthetic diene-based rubber in an aqueous medium in the presence of a polymerization control agent, a rubber composition containing the graft copolymer obtained by the method, and a tire obtained by using the rubber composition in any one of its tire members.

Abstract: Inherently radiopaque side-chain crystallizable polymers (IRSCCP's) are useful in various medical applications. An example of a IRSCCP is a polymer that comprises a main chain, a plurality of crystallizable side chains, and a plurality of heavy atoms attached to the polymer, the heavy atoms being present in an amount that is effective to render the polymer radiopaque. A polymeric material that includes a IRSCCP may be fabricated into a medical device useful for at least partially occluding a body cavity. For example, such a medical device may be an embolotherapy product.

Abstract: The invention relates to a controlled polymerization method for producing ABA-triblock copolymers on the basis of (meth)acrylate with A-blocks which have a narrow, monomodal molecular weight distribution and a B-block which has a bimodal molecular weight distribution, and to the use thereof as binders in glues and sealing materials

Abstract: It is to provide a polymer having a high antistatic function, a high solubility to solvent and high compatibility to a formulation, and an antistatic agent, curable composition or a water repellent and oil repellent comprising the polymer. It is a linear block polymer, block star polymer or block graft polymer in which at least one block is a block wherein an anion and a counter cation form an onium salt on the polymer chain side, and a composition comprising the same. It is preferred that a linear block polymer has a number average molecular weight of 20000 or less, and a block star polymer and block graft polymer has a number average molecular weight of 10000 or more.

Abstract: Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, and methods for making and using the cationic polymers and surfaces. The cationic polymers include counterions and/or hydrolyzable groups that release active agents.

Abstract: There is provided a method of treatment including (i) applying a treatment composition to at least a portion of the surface of a wheel rim and (ii) allowing a thus applied treatment composition to cure. There is also provided compounds and compositions useful in the method.

Abstract: The invention relates to a process for grafting hydrolysable silane groups to a polyolefin in which ethylene units, if present, form less than 50% by weight of the total polyolefin. The polyolefin is reacted with an unsaturated silane, having at least one hydrolysable group bonded to Si, or a hydrolysate thereof, in the presence of means capable of generating free radical sites in the polyolefin. The unsaturated silane has the formula R?—CH?CH—Z (I) or R?—C?C—Z (II) in which Z represents an electron-withdrawing moiety substituted by a —SiRaR?(3-a) group wherein R represents a hydrolysable group; R? represents a hydrocarbyl group having 1 to 6 carbon atoms; a has a value in the range 1 to 3 inclusive; and R? represents hydrogen or a group having an electron withdrawing or any other activation effect with respect to the —CH?CH— or —C?C— bond.

Abstract: The invention relates to a process for grafting hydrolysable silane groups to a polyolefin, comprising reacting the polyolefin with an unsaturated silane, containing an olefinic —C?C— bond or acetylenic —C?C— bond and having at least one hydrolysable group bonded to Si, or a hydrolysate thereof, in the presence of means capable of generating free radical sites in the polymer. The silane contains an aromatic ring or a further olefinic double bond or acetylenic unsaturation, the aromatic ring or the further olefinic double bond or acetylenic unsaturation being conjugated with the olefinic —C?C— or acetylenic —C?C— unsaturation of the silane. The unsaturated silane may also contains electron-withdrawing moiety with respect to the olefinic —C?C— or acetylenic —C?C— bond. The invention permits to provide a silane-modified polyolefin having a high grafting efficiency while limiting/preventing polymer degradation by chain scission.

Abstract: A process for grafting hydrolysable silane groups to polyethylene includes reacting polyethylene with an unsaturated silane having at least one hydrolysable group bonded to Si, in the presence of a compound capable of generating free radical sites in the polyethylene. The grafted polyethylene prepared by the process can be shaped into a pipe and crosslinked by water flowing through the pipe.

Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.

Abstract: The invention relates to the use of a silicon-containing precursor compound of an organic acid, particularly an olefinic silicon-containing precursor compound of an organic acid and/or of a tetracarboxyl silane, for the production of unfilled and/or filled polymer compounds, polymers, or filled plastics, such as granules or finished products, made from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymers. A finished product is an item, such as a molded body, particularly a cable, hose, or pipe. The invention further relates to a master batch comprising the silicon-containing precursor compound.

Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.

Abstract: The present invention pertains to salt modified copolymers wherein one of the monomer units contains a quaternized N-atom structure with a polar substituent. The invention further relates to the use of said copolymers as dispersant especially for color filters.

Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.

Abstract: Branched polydiorganosiloxane polyamide, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting one or more amine compounds including at least one polyamine with a precursor having at least one polydiorganosiloxane segment and at least two ester groups.

Abstract: A golf ball comprising a thermoplastic core having an outer diameter of 1.51 inches to 1.59 inches and having an outer surface and a geometric center, each having a hardness; an outer cover layer; and an inner cover layer disposed between the core and the outer cover layer; wherein the thermoplastic core has been exposed to a gradient-initiating solution comprising a silane having the formula: wherein R? is a non-hydrolysable organofunctional group, X is a hydrolysable group, and n is 0-24, such that the hardness of the outer surface is greater than the hardness of the geometric center to define a positive hardness gradient of 5 Shore C or greater.

Abstract: The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties.

Abstract: There are provided in accordance with embodiments of the invention metal-containing inorganic block copolymers, structures formed by self-assembly of such copolymers, and metal-containing ceramics which may be formed from such copolymers and/or structure. Methods for making such copolymers, structures and ceramics are also provided. Other embodiments are also disclosed.

Abstract: The present invention relates to a composition comprising (i) a crosslinkable polyolefin with hydrolysable silane groups (A), (ii) a silanol condensation catalyst (B), and (iii) a silicon containing compound (C) according to the formula (R1)x[Si(R2)yR3)z]m (I) wherein R1, which may be the same or different if more than one such group is present, is a monofunctional, or, if m=2, is a bifunctional, hydrocarbyl residue comprising from 1 to 100 carbon atoms and at least one heteroatom; R2, which may be the same or different if more than one such group is present, is a hydrocarbyloxy residue comprising from 1 to 100 carbon atoms; R3, is —R4SiR1pR2q, wherein p is 0 to 3, q is 0 to 3, with the proviso that p+q is 3, and R4 is —(CH2)rYs(CH2)t— where r and t independently are 1 to 3, s is 0 or 1 and Y is a difunctional heteroatomic group selected from —O—, —O—(CO)—, —NH—, —NH2, —NH—(CO)—NH2, —NH—(CO)—OCH3, an epoxy group, a carbamate group, —S—, —SO—, —SO2—, —NR—, —PR—, where R is a hydrocarbon or a hydrogen and where

Abstract: A process is provided for the covalent attachment of an indicator to a plastic optical fibre by functionalising the surface of the optical fibre to provide a polymerisable group, and polymerising an indicator monomer, optionally together with a hydrogel-forming monomer, to the fibre surface. This provides an optical fibre having covalently linked to its surface an indicator, typically an indicator encased in a hydrogel. The plastic optical fibre is useful as a sensor.

Abstract: Novel methods for forming copolymers, including block copolymers, which comprise one or more olefin units and one or more protected or unprotected hydroxystyrene units are provided.

Abstract: Intraocular lenses comprised of an acrylic-silicone hybrid polymer are disclosed. The intraocular lenses described herein are suitable for insertion through incisions of 2 mm or less.

Abstract: Disclosed are biomedical devices having a hydrophilic coating on a portion of a surface thereof, the biomedical device comprising: (a) a biomedical device obtained from a polymerization product of a monomeric mixture comprising (i) a polymerizable monomer containing a boronic acid moiety and an electron withdrawing moiety; and (ii) a biomedical device-forming comonomer; and (b) a hydrophilic reactive polymer having complementary reactive functionalities along the polymer chain, wherein the complementary reactive functionalities along the polymer chain of the hydrophilic reactive polymer of (b) bind with the boronic acid moieties of the biomedical device of (a), thereby producing a biocompatible coating which can be removed and re-applied to restore the surface properties of the biomedical device to substantially as-new condition. Methods for treating the biomedical device are also disclosed.

Abstract: A conjugated diene polymer is provided that comprises a conjugated diene-based constituent unit and a constituent unit of formula (I) below, at least one terminus of the polymer being modified by a compound of formula (II): wherein X1, X2, and X3 independently denote a group of formula (Ia) below, a hydroxy group, a hydrocarbyl group, or a substituted hydrocarbyl group, and at least one of X1, X2, and X3 is a group of formula (Ia) below or a hydroxy group, wherein R1 and R2 independently denote a hydrocarbyl group having 1 to 6 carbon atoms, a substituted hydrocarbyl group having 1 to 6 carbon atoms, a silyl group, or a substituted silyl group, and R1 and R2 may be bonded so as to form, together with the nitrogen atom, a ring structure, wherein n denotes an integer of 1 to 10, R3, R4, and R5 independently denote a hydrocarbyl group having 1 to 4 carbon atoms or a hydrocarbyloxy group having 1 to 4 carbon atoms, at least one of R3, R4, and R5 is a hydrocarbyloxy group, and A denotes a nitrogen atom

Abstract: A process for producing a modified polymer rubber comprising the steps of: (1) polymerizing a conjugated diene monomer or a combination thereof with an aromatic vinyl monomer in a hydrocarbon solvent, in the presence of an alkali metal catalyst or a specified alkali metal compound, to form an alkali metal end-carrying active polymer, and (2) reacting the alkali metal end-carrying active polymer with a specified isocyanurate compound or a combination thereof with a specified coupling agent in a hydrocarbon solvent.

Abstract: An improved process for crosslinking a polyolefin polymer is described. The process involves grafting a silane material onto the polyolefin based polymer in the presence of a free radical generating initiator material and then hydrolyzing the silane material to form crosslinks. By using an effective molar ratio of silane material to free radical of 40 or greater in the grafting reaction, premature crosslinking is controlled and the grafted polymer can be shaped first and then crosslinked. In another aspect of the invention, the crosslinking process is improved by adding a catalyst for the hydrolysis catalyst to the surface of a shaped article made from the grafted polymer. Grafted polymer and articles made from the grafted polymer, particularly fibers, are also disclosed.

Abstract: A process for crosslinking polymers employs a silane crosslinker which, upon hydrolysis, produces a reduced quantity of volatile organic compound.

Abstract: A process for producing low molecular weight polymers, the process comprising partially hydrogenating an unsaturated polymer to form a partially hydrogenated polymer, and reacting the partially hydrogenated polymer with an acyclic alkene in the presence of a metathesis catalyst.

Abstract: Provided are surface modified contact lenses formed from one or more fumaric- or itaconic-containing prepolymers having reactive functionality that is complimentary to surface modifying polymers.

Abstract: An acrylic rubber composition comprising (A) 100 weight parts of an acrylic rubber comprising 80-99.9 weight % of units of a monomer selected from acrylic acid ester monomers and methacrylic acid ester monomers, and 0.1-20 weight % of units of an ?,?-ethylenically unsaturated carboxylic acid monomer, (B) 5-200 weight parts of synthetic silica, and (C) 0.05-20 weight parts of a crosslinking agent. The acrylic rubber composition preferably further comprises 5-200 weight parts of aluminum silicate containing at least 5 weight % of Al2O3 wherein the total amount of Al2O3 and SiO2 is at least 60 weight %. The rubber composition has good storage stability and gives a crosslinked object having good heat aging resistance, reduced compression set and good mechanical properties.

Abstract: Methods are described herein for converting carbocationically terminated polymers to anionically terminated polymers. These methods comprise: (a) providing a carbocationically terminated polymeric moiety; (b) reacting the carbocationically terminated polymeric moiety with a heterocyclic compound of the formula where —X— is selected from —S—, —O—, —NH— and —NR—, and where R is an alkyl group or an aryl group, thereby providing an end-capped polymeric moiety; and (c) reacting the end-capped polymeric moiety with an organolithium compound to yield an anionically terminated polymeric moiety. Also described are block copolymers in which a first polymer block comprising cationically polymerized monomers is linked to a second polymer block comprising anionically polymerized monomers by a group, as well as a polymer in which a polymer block comprising cationically polymerized monomers is linked to a halogenated silane residue or a carbosilane residue by a group.

Abstract: The invention relates to functional norbornenes as initiators for radical polymerization, its polymer and fabrication method thereof. More particularly, the functional norbornenes can be selectively polymerized by ring-opening metathesis polymerization or radical polymerization to obtain various polynorbornene derivatives or grafted copolymer materials. The polynorbornene derivatives and grafted copolymer materials not only exhibit excellent functional properties but also enhanced physical and chemical properties after modification. The polynorbornene derivatives and grafted copolymer materials disclosed in the invention exhibit excellent heat resistance, transparency and water resistance. The invention also deals with a process for producing such derivatives and materials having controllable molecular weight with narrow molecular weight distribution.

Abstract: The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis polymerization or radical polymerization to obtain various polynorbornene derivatives or grafted copolymer materials. The polynorbornene derivatives and grafted copolymer materials not only exhibit excellent functional properties but also enhanced physical and chemical properties after modification. The polynorbornene derivatives and grafted copolymer materials disclosed in the present invention exhibit excellent heat resistance, transparency and water resistance. The present invention also deals with a process for producing such derivatives and materials having controllable molecular weight with narrow molecular weight distribution.

Abstract: The present invention relates to golf balls, and in particular, to golf balls having at least one portion formed from at least one non-ionomeric, silane-crosslinked polyolefin materials that are formed in the presence of moisture or water during golf ball construction. The present invention also relates to methods of forming golf balls having at least one portion formed from at least one non-ionomeric, silane-crosslinked polyolefin materials that are formed in the presence of moisture or water.

Abstract: Flame retardant crosslinkable polyolefin compositions useful for the production of films, sheets and membranes are provided. The compositions are comprised of ethylene-silane copolymer, plastomer, flame retardant filler and, optionally, silanol condensation catalyst.

Abstract: Novel copolymers, including block copolymers, which comprise: (a) a plurality of constitutional units that correspond to one or more olefin monomer species and (b) a plurality of constitutional units that correspond to one or more protected or unprotected hydroxystyrene monomer species.

Abstract: Polyelectrolyte membranes suitable for use in a fuel cell are provided as a solid state sulfonation product of particular fluorinated polymers, or alternatively as a fluorination product of particular sulfonated polymers. A sulfonated polymer is provided that contains repeating units represented by structure, wherein the groups Ar3 and Ar4 are independently selected from the group consisting of aryl rings, aryl ring systems, and thiophene rings, and where at least one of Ar3 and Ar4 is substituted with a sulfonate group. Films suitable for use as a polyelectrolyte membrane are prepared from the sulfonated polymers.

Abstract: The present invention relates to novel functional norbornenes as initiators for radical polymerization, its polymer and a process for producing the same. More particularly, the novel functional norbornenes can be selectively polymerized by ring-opening metathesis polymerization or radical polymerization to obtain various polynorbornene derivatives or grafted copolymer materials. The polynorbornene derivatives and grafted copolymer materials not only exhibit excellent functional properties but also enhanced physical and chemical properties after modification. The polynorbornene derivatives and grafted copolymer materials disclosed in the present invention exhibit excellent heat resistance, transparency and water resistance. The present invention also deals with a process for producing such derivatives and materials having controllable molecular weight with narrow molecular weight distribution.

Abstract: Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, contact lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of one or more siloxysilane monomers or the copolymerization of one or more siloxysilane monomers with one or more aromatic or non-aromatic non-siloxy monomers, hydrophobic monomers or hydrophilic monomers.

Abstract: Disclosed is an aromatic sulfonic acid ester derivative represented by the formula (1); in the formula, X is an atom or a group selected from a halogen atom excluding fluorine, —OSO3CH3 and —OSO3CF3, A is a divalent electron attractive group, B is a divalent electron donating group or a direct bonding, Ra is a hydrocarbon group of 1 to 20 carbon atoms, Ar is an aromatic group having a substituent of —SO3Rb (wherein Rb is a hydrocarbon group of 1 to 20 carbon atoms), m is an integer of 0 to 10, n is an integer of 0 to 10 and k is an integer of 1 to 4. Also disclosed is a process for producing a polyarylene having a sulfonic acid group, which process comprises the steps of coupling polymerization of an aromatic compound containing the derivative of the formula (1), to prepare a polyarylene and hydrolysis of the polyarylene, and which process has high safety and is easily capable of controlling the amount of sulfonoc acid group introduced into a polymer and the introducing position thereof.

Abstract: Crosslinkable or crosslinked polymer compositions are provided, the compositions including a copolymer of ethylene and C3 to C12 alpha-olefin comonomer, the copolymer having a CDBI of at least 70%, a melt index I2.16 of from 0.1 to 15 g/10 min, a density of from 0.910 to 0.940 g/cm3, a melt index ratio I21.6/I2.16 of from 30 to 80, and an Mw/Mn ratio of from 2.5 to 5.5; and a silane grafting composition including a silane compound and a free radical initiator; or reaction products thereof. The crosslinkable or crosslinked compositions are particularly suitable for electrical applications, such as in insulating, semiconducting or jacketing layers of power cables, telecommunications cables, and combined power/telecommunications cables.

Abstract: Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, contact lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of one or more siloxysilane monomers or the copolymerization of one or more siloxysilane monomers with one or more aromatic or non-aromatic non-siloxy monomers, hydrophobic monomers or hydrophilic monomers.

Abstract: Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, contact lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of one or more siloxysilane monomers or the copolymerization of one or more siloxysilane monomers with one or more aromatic or non-aromatic non-siloxy monomers, hydrophobic monomers or hydrophilic monomers.

Abstract: Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, contact lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of one or more siloxysilane monomers or the copolymerization of one or more siloxysilane monomers with one or more aromatic or non-aromatic non-siloxy monomers, hydrophobic monomers or hydrophilic monomers.

Abstract: Relatively high refractive index polymeric compositions and ophthalmic devices such as for example intraocular lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the copolymerization of one or more aromatic-substituted polysiloxane prepolymers with one or more aromatic monomers, alkylated monomers or hydrophilic monomers.

Abstract: Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, corneal inlays and contact lenses made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of one or more aromatic-based siloxane macromonomers or the copolymerization of one or more aromatic-based siloxane macromonomers with one or more non-siloxy aromatic-based monomers, non-aromatic-based hydrophobic monomers or non-aromatic-based hydrophilic monomers.

Abstract: Provided is a fluoroplastic or latex comprising a nitrogen-containing cure site and units derived from a fluorinated monomer. Also provided is a curable blend comprising a fluoroplastic and a fluoroleastomer gum, wherein said fluoroplastic comprises a nitrogen-containing cure site and units derived from a fluorinated monomer. Also provided are cured, shaped articles, latex blends, and a process for preparing a fluoroplastic comprising: (a) introducing at least 60 weight percent of a first polymerizable composition comprising a fluorinated monomer into a polymerization reactor; (b) polymerizing said composition in said reactor; (c) introducing at least 70 weight percent of a second polymerizable composition comprising a nitrogen-containing cure site monomer into said reactor following addition of at least 80% by weight of said first polymerizable composition; and (d) copolymerizing said nitrogen-containing cure site monomer with said fluorinated monomer to form a fluoroplastic.