Abstract: A sulphur cement pre-compositionr comprising sulphur and a polysiloxane is disclosed. The polysiloxane comprises a sulphur reactive functional group and/or a hydrolysable group. Sulphur cement products, wax-based pre-compositions, processes for preparing sulphur cement pre-compositions and processes for preparing sulphur cement products are also disclosed.

Abstract: The present invention provides a non-crosslinked silicon polyether composition comprising at least one compound with the following formula; [(R1O)(C2H4O)a(C3H6O)b(C4H8O)c]dR2(R3)e wherein R1 is a monovalent radical defined as MgMAhMBiMHjMEkDlDHmDEnToTHpTEqQr M=R4R5R6SiO1/2; MA=R7R8R9SiR10; MB=[(R11R12R13Si)sR14]tSi(R15)u(R16)vR17 MH=R18Si(R19)(R20)O1/2; ME=R21R22RESiO1/2; D=R23R24SiO2/2; DH=R25Si(R26)O2/2; DE=R27RESiO2/2; T=R28SiO3/2; TH=R29SiO3/2; TE=RESiO2/2; and Q=SiO4/2; R2 and R14 are polyvalent linear or branched; R3 is —(C2H4O)(C3H6O)b(C4H8O)c—R30 or R1; R30 is a monovalent saturated; R4, R5, R6, R7, R8, R9, R11, R12, R13, R15, R16, R19, R20, R21, R22, R23, R24, R26, R27, and, R28 are monovalent hydrocarbon radicals having from 1 to about 10 carbons; R10, R17, R18, R25 and R29 are divalent hydrocarbon radicals having 1 to about 25 carbons; RE is —R32—(C2H4O)a(C3H6O)b(C4H8O)c—R33; R32 is a divalent hydrocarbon radical having 1 to about 60 carbons; R33 is a monovalent hydrocarbon radical having 1

Abstract: The present invention provides a thermoplastic resin composition containing (A) a resin mixture including (a-1) a polycarbonate resin in an amount of 45 to 97% by mass and (a-2) a fatty acid polyester in an amount of 55 to 3 % by mass, and (B) a rubber-like elastomer in an amount of 0.5 to 20 parts by mass per 100 parts by mass of the resin mixture, wherein component (B) is dispersed in an interface between ingredient (a-1) and ingredient (a-2) or in domains of ingredient (a-2). The composition has high impact characteristics and high fluidity and overcomes appearance defects such as pearl-like gloss and jetting marks.

Abstract: Photoinitiator compounds comprising both a photoactive moiety and an amine functionality, bonded to a polyhedral oligomeric silsesquioxane, which photoinitiator is represented by formula (1) or (1?) wherein n is 2m; m is an integer of 2 to 30; the sum of n?+a is an integer 4-60; n? is an even-numbered integer; a is an even- or uneven-numbered integer; and for example different A C1-C12alkyl, or a photoactive moiety Q1, or a group of formula (2); E for example is a direct bond, L is linear or branched C1-C3alkylene, preferably propylene; R1 and R2 for example are a photoactive moiety Q, or C2-20alkyl; Q is for example a group of formula (4); Z2 is for example C1-C6alkylene which is unsubstituted or substituted by one or more OR6; and R6, R12, R13 and R14 for example are hydrogen; are especially suitable as low-migrating photoinitiators.

Abstract: An electronic device, such as a thin-film transistor, includes a substrate and a dielectric layer formed from a dielectric composition. The dielectric composition includes a dielectric material, a crosslinking agent, and a thermal acid generator. In particular embodiments, the dielectric material comprises a lower-k dielectric material and a higher-k dielectric material. When deposited, the lower-k dielectric material and the higher-k dielectric material form separate phases. The thermal acid generator allows the dielectric layer to be cured at relatively lower temperatures and/or shorter time periods, permitting the selection of lower-cost substrate materials that would otherwise be deformed by the curing of the dielectric layer.

Abstract: This invention refers to hybrid pre-polymers and polymers, produced through conversion from difunctional, oligofunctional and/or polyfunctional cyanates and/or from their pre-polymers with monomeric, oligomeric and/or polymeric silazanes. The polymers are duromers with high glass transition temperature and fracture toughness, compared to duromers from the respective cyanate source material. In their pre-polymerized state, they can be dissolved in solvents and are therefore suitable as impregnating resins for prepregs. In addition, they can be processed to become moldings. Their burning properties are described as particularly outstanding.

Abstract: The suspended solids content of a Bayer process stream is reduced by contacting the stream with silicon-containing polymers.

Abstract: The present invention relates to a polymer material with a functionalised surface and also to a method for in situ functionalisation of polymer materials. Furthermore, the invention comprises the use of the polymer materials.

Abstract: A formed article comprising a layer obtained by implanting ions into a polycarbosilane compound-containing layer, a method of producing the formed article, an electronic device member, and an electronic device comprising the electronic device member. The formed article has an excellent gas barrier capability, excellent transparency, excellent bendability, excellent adhesion, and excellent surface flatness.

Abstract: A semiconductor apparatus adhesive composition having excellent adhesion properties when pressure-bonded and has excellent connection reliability and insulation reliability when hardened and an adhesive sheet using this adhesive composition. An adhesive composition including: (A) a silicone resin constituted of a repeating unit represented by the following general formula (1); (B) a thermosetting resin; and (C) a compound having a flux activity, where R1 to R4 represent univalent hydrocarbon groups having carbon numbers from 1 to 8, which are equal to or different from each other; each of 1 and m is an integer from 1 to 100; each of a, b, c, and d is 0 or a positive number and meets 0<(c+d)/(a+b+c+d)?1.0; and each of X and Y is a bivalent organic group.

Abstract: The present invention relates to compositions for producing membranes, the compositions comprising at least 0.1% by weight of highly branched polymer, at least 0.5% by weight of linear polymer and at least 30% by weight of solvent. The present invention additionally describes membranes obtainable from the compositions, and methods of producing these membranes.

Abstract: This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer.

Abstract: The present invention relates to additives for use in lubricant compositions to processes for producing the additives, and to the use of the additives in lubricants and in systems that are lubricated. More specifically, the additive includes a capped particle comprising: (i) one or more inorganic core particles; and (ii) one or more multi-block copolymers attached to the inorganic particles. The multi-block copolymer includes at least one nonpolar polymer block interposed between two polar polymer blocks. One polar polymer block is attached to the core particle, and at least a portion of the another polar polymer block is not directly attached to, the core particle. When used in a lubricant to lubricate a metallic surface of a workpiece, the capped particle preferably adheres to the metallic surface of the workpiece.

Abstract: A polymeric material with a variable modulus of elasticity is described herein. The polymeric material described herein is useful for forming implantable medical devices (e.g. ophthalmic lenses, breast implants, and body augmentation devices). In addition, medical devices formed from the polymer material can be used to controllably release a therapeutic agent. Also, the polymeric material may be used to prepare topical compositions or other applications or devices where control of a mechanical property such as material modulus is important.

Abstract: The present invention relates to polysiloxane nanoparticles have the following properties: an average particle size d50 (measured using REM recordings) in the range of 10-200 nm, a specific surface area Ao of at least 50 m2/g, a pore volume of at least 0.2 cm3/g, an average pore volume d50 of at least 0.8 mn, whereas the particles have groups that contain carbon, which groups are bonded to the silicon at least partially in the form of unsubstituted or substituted alkyl, alkenyl, aryl, arylalkyl, or alkylaryl groups.

Abstract: This invention relates to curable compositions containing hydroxyl compounds that carry silyl groups as well as to the use of said compositions.

Abstract: Provided is an anti-fingerprint coating material for a stainless steel outer case of a home appliance. The coating material includes: polysilicate having 27.6 parts by weight to 36.2 parts by weight; one of epoxy resin and vinyl resin having less than 10.6 parts by weight; colloidal silica having 21.2 parts by weight to 42.6 parts by weight; and an additive having less than 10.6 parts by weight and including at least one hydrophile material selected from the first group consisting of —OH, —NH2, and —COOH and at least one hydrophobic material selected from the second group consisting of —CnF2n+1 and —SiR3.

Abstract: A biaxially oriented polyarylene sulfide film made of a polyarylene sulfide resin composition has a melt crystallization temperature of not lower than 160° C. and not higher than 220° C. The biaxially oriented polyarylene sulfide film contains 70 to 99 parts by weight of the polyarylene sulfide and 1 to 30 parts by weight of thermoplastic resin A; the thermoplastic resin A constitutes a dispersed phase having an average dispersion diameter of 50 nm to 500 nm. The biaxially oriented polyarylene sulfide film has a breaking stress at 200° C. in the machine direction and/or transverse direction of not less than 30 MPa and not more than 90 MPa and has an elongation at break at 200° C. in the machine direction and/or transverse direction of not less than 100% and not more than 250%.

Abstract: Fluorosilicon polymers are disclosed that are prepared by a process comprising reacting a) iodinated oligomers having copolymerized units of perfluoro(methyl vinyl ether) and vinylidene fluoride or tetrafluoroethylene that contain 40-90 mole percent copolymerized units of vinylidene fluoride or tetrafluoroethylene and 10-60 mole percent copolymerized units of perfluoro(methyl vinyl ether), said oligomers having two functional endgroups and having a number average molecular weight between 1000 and 25,000 with b) a methoxyvinyl silane or an ethoxyvinyl silane to form a silicon-containing polymeric adduct that is further reacted with an acid to form a crosslinked fluorinated polymer.

Abstract: Disclosed herein are dual cure coating compositions that include a melamine group-containing polyethylenically unsaturated compound and a polysiloxane. Also disclosed are related multi-component composite coatings, coated substrates, and methods for coating a substrate.

Abstract: Conjugates of 1,3-bis(1,4,7-triazacyclonon-1-yl)-2-hydroxypropanes with a variety of conjugating members are used in the formation of dinuclear metal complexes which bind to phosphate esters. By virtue of their conjugated forms, the complexes are incorporated into chromatographic media, affinity binding reagents, and dyes, which make the complexes useful in a wide range of assays, separations, and purifications. In addition, dinuclear metal complexes of 1,3-bis(1,4,7-triazacyclonon-1-yl)-2-hydroxypropanes that are not so conjugated are used in the detection of phosphate esters of biological species by either MALDI-TOF mass spectrometry or by dye displacement.

Abstract: The present invention has its object to provide a pressure sensitive adhesive composition which can be applied using no organic solvent and which manifests excellent pressure sensitive adhesion characteristics. This object can be achieved by a pressure sensitive adhesive composition which comprises, as essential constituents, the following: (A) a hydrolyzable silyl group-containing organic polymer containing at least 1.3 hydrolyzable silyl groups per molecule and having a number average molecular weight of 15,000 to 100,000; (B) a hydrolyzable silyl group-containing organic polymer containing 0.3 to 1.3 hydrolyzable silyl groups per molecule and having a number average molecular weight of 500 to 15,000; and (C) a tackifier resin.

Abstract: A moisture curable polymer and a curable composition having superior curability are provided. A polymer having a silicon group represented by the general formula: —SiFaR1bZc (wherein, R1 represents any one of a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, or an organosiloxy group represented by R23SiO— (R2 is each independently, a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms). Z is a hydroxyl group or a hydrolyzable group other than fluorine. a is any one of 1, 2, or 3; b is any one of 0, 1, or 2; c is any one of 0, 1, or 2; and a+b+c is 3. When b or c is 2, two R1 or two Z may be each the same or different) and a curable composition including this polymer, and a sealant and an adhesive in which the curable composition is used.

Abstract: Implantable biocompatible polymeric medical devices include a substrate with an acid or base-modified surface which is subsequently modified to include click reactive members.

Abstract: Biodegradation kinetics of biodegradable porous objects, such as porous silicon objects, can be controlled by a molecular weight of polymer chains, such as polyethylene glycol chains, disposed on an outer surface of the object. Provided are biodegradable porous objects, which have their biodegradation kinetics controlled by a molecular weight of the disposed polymer chains. Also provided are methods of making such biodegradable porous objects as well as methods of using such biodegradable porous objects for delivery of active agents, such as therapeutic agents and/or imaging agents.

Abstract: A polymer that is a polysiloxane polymer has fluoroquinolone antibiotic groups, or pharmaceutically acceptable salts thereof, attached via linkers. The linkers may be hydrolytically labile thereby providing a manner of releasing the fluoroquinolone antibiotic from the polymer.

Abstract: Vinylhydrogenpolysiloxanes are provided. The vinylhydrogenpolysiloxanes comprise organopolysiloxanes having at least two silicon-bonded hydrogen atoms and at least two silicon-bonded vinyl groups. As a fraction of the total number of silicon atoms in the vinylhydrogenpolysiloxanes, about 25% to about 90% of the silicon atoms are bonded to a hydrogen atom and about 10% to about 45% are bonded to a vinyl group. The ratio of the number of silicon-bonded hydrogen groups to the number of silicon-bonded vinyl groups is about 1.3 to about 6. Also provided are silicone compositions comprising at least one vinylhydrogenpolysiloxane and a hydrosilylation catalyst; silicone adhesives comprising a cured product of at least one vinylhydrogenpolysiloxane; and laminates comprising at least one such silicone adhesive. When subjected to high temperatures or direct flame, the vinylhydrogenpolysiloxanes form chars that retain adhesion to various substrates.

Abstract: A silicone hydrogel comprising monomeric units of one or more amino monomers, wherein the amino monomers are of formula IA, IB, IIA or IIB and monomeric units of one or more silicone monomers wherein R1, R2 and R3 are independently selected from hydrogen, C1-C6 alkyl or CH2OH; R4 is a C1-C10 alkyl optionally substituted with hydroxyl or carboxylic acid; E is a polymerizable group; X is an anion suitable for quaternary nitrogen; and n is 0, 1, 2, or 3 and m is an integer from 1 to 8.

Abstract: Materials and methods are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR?)3 are used to control aluminosilicate scaling in an industrial process having an alkaline process stream such as a pulping mill process stream or a high level nuclear waste processing plant. When materials of the present invention are added to the alkaline process stream, they reduce and even completely prevent formation of aluminosilicate scale on equipment surfaces such as evaporator walls and heating surfaces. The present materials are effective at treatment concentrations that make them economically practical.

Abstract: A macromolecule includes a polymer directly tethered or bonded to a polyatomic functionality. The polyatomic functionality can be located at a terminus of the polymer and can be generated concurrent with or soon after formation of the polymer. The macro-molecule can be prepared from a functionalized polymer by hydrolyzing and condensing (e.g., by a sol-gel process) functionalities in which one or more alkoxy groups are bound to a silica atom in the presence of an excess of a compound that includes a Si, Ti, Zr, Sn, Al, or Fe atom. Such macromolecules can be used in the manufacture of vulcanizates and tire components, either alone or blended with other polymers and/or other particulate fillers.

Abstract: The invention relates azide functionalized poly(3-hexylthiophene)s. Various azide functionalized poly(3-hexylthiophene)s and intermediates are disclosed and described, as well as method for making novel monomers that are synthesized and transformed into P3HT-Nmp for use as organic conducting polymers in organic photovoltaic devices.

Abstract: Provided are nanocomposites and a light emitting device package including the same. The nanocomposites include nanoparticles, and silicon compounds bonded to surfaces of the nanoparticles and expressed by a specific chemical formula. The nanocomposites can be dispersed evenly in various matrices without the nanoparticles being agglutinated.

Abstract: Biomedical devices such as silicone hydrogels formed from a polymerization product of a mixture comprising (a) a siloxane-containing homopolymer which has only one thio carbonyl thio fragment of a reversible addition fragmentation chain transfer (RAFT) agent; and (b) one or more biomedical device-forming comonomers are disclosed.

Abstract: A two-component silicone composition that includes a component A that includes i) at least one hydroxyl-group-terminated polydiorganosiloxane P; ii) at least one catalyst K for the cross-linking of polydiorganosiloxanes; and a component B that includes i?) at least one cross-linking agent for polydiorganosiloxanes. Compositions can be used as adhesives, sealants, coatings or as casting compounds and can be distinguished by a very long shelf life.

Abstract: Hardener composition for condensation-crosslinking RTV-2 silicone compositions contain: (A) at least one crosslinker, (B) at least one catalyst, (C) at least one extender polymer, wherein the sum of the molar proportions of T and Q units in the extender polymer (C) is at least 25%.

Abstract: Polysiloxanes containing both epoxy groups and quaternary ammonium groups bonded to the polysiloxane through ring-opened epoxy groups provide a soft hand and wash fastness to fibrous substrates.

Abstract: A coating composition including a compound having a first molecular group or a first combination of atoms, the first molecular group or the first combination of atoms capable of bonding to an oxidizable metal or a metal oxide, and a second molecular group or a second combination of atoms, the second molecular group or the second combination of atoms capable of interacting with a precursor of a polymer so the compound and the polymer are bound together.

Abstract: The invention concerns novel cytosine based modules and in particular their application in linear multiple hydrogen bonded arrays to form supramolecular polymers of the formula (II): and the use of these in supramolecular materials.

Abstract: Disclosed is a carbamate functional silica, comprising repeating units: wherein R is H or an alkyl group of from 1 to 50 carbon atoms and n is a number from 1 to 100. Also disclosed is a functional silica comprising repeating units: wherein R is an alkyl group of from 1 to 50 carbon atoms, n is from 1 to 100, R1 and R2 may be the same or different and are at least one of a hydrocarbon group comprising from 1 to 100 carbon atoms with the proviso that at least one of R1 and R2 is not hydrogen. In one embodiment, R1 and R2 are hydrogen or the residual of an aminoplast polymer, an alkylating alcohol, or the like. Methods for making the disclosed functional silicas and coating compositions comprising the same are also provided.

Abstract: A compound having the formula below. Each R is methyl or phenyl; R2 comprises one or more of silane, siloxane, and aromatic groups; n is a nonnegative integer; and m is 1 or 2. The dashed bond is a single bond and the double dashed bond is a double bond, or the dashed bond is a double bond and the double dashed bond is a triple bond. A polymer made by a hydrosilation reaction of a polyhedral oligomeric silsesquioxane having pendant siloxane groups with an acetylene- and silicon-containing compound having at least two vinyl or ethynyl groups, and a crosslinked polymer thereof. The reaction occurs between the pendant siloxane groups and the vinyl or ethynyl groups.

Abstract: The invention relates to novel crosslinkable copolymers of formula wherein the variables are as defined in the claims. The copolymers of the invention are especially useful for the manufacture of biomedical moldings, for example ophthalmic moldings such as in particular contact lenses.

Abstract: The present invention relates to a process for production of water-absorbing polymer structures comprising the process steps of providing an untreated, water-absorbing polymer structure (Pu) with a retention of at least about 35 g/g; and bringing this water-absorbing untreated polymer structure (Pu) into contact with a permeability-increasing agent. The invention further relates to the water-absorbing polymer structures obtainable by this process, water-absorbing polymer structures, a composite, a process for production of a composite, a composite obtainable by this process, chemical products comprising water-absorbing polymer structures or a composite as well as the use of water-absorbing polymer structures or of the composite in chemical products.

Abstract: The present invention relates to method for improving the color index of organopolysiloxanes functionalized with at least one UV-light absorbing group said method comprising the step of contacting said group carrying organopolysiloxanes with a hydroxy carboxylic acid or a cyclic ester thereof in an organic solvent.

Abstract: The present invention relates to a process for preparing alkoxysilane-functional prepolymers by reacting A) 1.0 equivalent of a polyol component have a number average molecular weight of 3000 g/mol to 20,000 g/mol and containing one or more polyoxyalkylene polyols or polyoxyalkylene polyol prepolymers with B) 1.05 to 1.50 equivalent of an isocyanate- and alkoxysilane-functional compound of formula I) wherein X, Y, and Z independently of one another are linear or branched C1-C8 alkyl or C1-C8 alkoxy radicals, wherein at least one of the radicals is a C1-C8 alkoxy group and R is an organic radical having a functionality of at least two, and subsequently further reacting the remaining free NCO groups by allophanatization or by reaction with C) an isocyanate-reactive component. The present invention also relates to the alkoxysilane-functional prepolymers obtained by the process of the invention.

Abstract: Process for preparing polymer-reinforced silica aerogels which comprises a one-pot reaction of at least one alkoxy silane in the presence of effective amounts of a polymer precursor to obtain a silica reaction product, the reaction product is gelled and subsequently subjected to conditions that promotes polymerization of the precursor and then supercritically dried to obtain the polymer-reinforced monolithic silica aerogels.

Abstract: Materials and a method are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR?)3 (where R? is H, an alkyl group, Na, K, or NH4) are used to control aluminosilicate scaling in an industrial process having an alkaline process stream such as a pulping mill process stream. When materials of the present invention are added to the alkaline process stream, they reduce and even completely prevent formation of aluminosilicate scale on equipment surfaces such as evaporator walls and heating surfaces. The present materials are effective at treatment concentrations that make them economically practical.

Abstract: A nanoparticle including a polysiloxane base having an exterior surface and having a photosensitizer at least partly exposed at its exterior surface, said photosensitizer being secured to the exterior surface by loading the photosensitizer onto the surface after formation of the polysiloxane base of the nanoparticle. The nanoparticle may have tumor targeting moieties and may be post loaded with cyanine dye. The nanoparticle preferably includes post loaded moieties providing at least two of tumor specificity, photodynamic properties and imaging capabilities and the photosensitizer is tagged with a radioisotope. A method for preparation of the nanoparticle is also provided.

Abstract: An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C20-44 aliphatic dicarboxylic acid or derivative thereof, 34 to 77 wt % of a carbonate unit derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, 0 to 76 wt % of a carbonate unit derived from a dihydroxyaromatic compound not identical to the 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the weight percentages of soft block ester units, 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine units, and dihydroxyaromatic compound units is 100 weight percent of the monomeric units of the poly(aliphatic ester)-polycarbonate, the refractive index of the thermoplastic composition is greater than 1.590, and the glass transition temperature of the poly(aliphatic ester)-polycarbonate is from 120 to 155° C. A camera lens also comprises the poly(aliphatic ester)-polycarbonate.

Abstract: A base material for adhesion to be adhered to a solid body comprising; a substrate made from metal, polymer resin, glass or ceramics whose surface is adhesive to the solid body by silyl-ether-linkage that at least one active silyl group selected from the group consisting of a hydrosilyl-containing silyl group, a vinyl-containing silyl group, an alkoxysilyl-containing silyl group and a hydrolytic group-containing silyl group having reactivity with a reactive group on the surface of the solid body is bound to a dehydrogenated residue of hydroxyl group on the surface of the substrate.

Abstract: Novel particles and composite particles, their uses and a novel process for producing them from alkoxysilyl-group-carrying alkoxylation products.