Abstract: The present invention relates to an attach paste composition for a semiconductor package. The attach paste composition for a semiconductor package includes a mixed resin, or a blend of an elastic resin and an epoxy resin as a basic resin. At this time, preferably the basic resin includes 50 to 95 weight % of the elastic resin and 5 to 50 weight % of the epoxy resin. The present invention enables a conventional semiconductor packaging method using a die adhesive to eliminate a pre-drying process performed after application of a die adhesive through screen printing and a thermal hardening process performed after an encapsulation process, maintains the properties of the die adhesive, ensures reliability of semiconductor products, and realizes a simple process.

Abstract: Provided herein are water-soluble prodrugs, compositions comprising such prodrugs, and related methods of making and administering the same. The prodrugs of the invention comprise a water-soluble polymer having three or more arms, at least three of which are typically covalently attached to an active agent, e.g., a small molecule. The conjugates of the invention provide an optimal balance of polymer size and structure for achieving improved drug loading, since the conjugates of the invention possess three or more active agents releasably attached to a multi-armed water-soluble polymer. The prodrugs of the invention are therapeutically effective, and exhibit improved properties in-vivo when compared to unmodified parent drug.

Abstract: The invention is a two part composition comprising: A. an isocyanate functional group containing component comprising one or more polyisocyanates and one or more isocyanate functional group containing prepolymers having in its backbone the residue of one or more chains derived from polypropylene oxide, copolymers of ethylene oxide and propylene oxide or mixtures thereof wherein equivalent weight of the chains are predominantly about 780 or greater; B. an isocyanate reactive component comprising one or more polypropylene oxide, copolymers of ethylene oxide and propylene oxide or mixtures thereof having equivalent weights predominantly about 960 or greater and terminal groups which are reactive with isocyanate groups; C.

Abstract: Disclosed is a reactive flame retardant which provides a resin with excellent flame retardance even when it is added in a small amount while being prevented from bleedout. Also disclosed is a flame-retardant resin processed article obtained by using such a reactive flame retardant. An organophosphorus compound represented by the general formula (I) below, wherein at least one or more of X1-X3 represent a group containing phosphorus and having a terminal unsaturated group, is used as a reactive flame retardant which is reactive with resins. A flame-retardant resin processed article can be obtained by solidifying the resin composition containing the organophosphorus compound and then reacting it through heating or application of radiation.

Abstract: The present invention provides epoxy curing agent compositions comprising benzylated aminopropylated alkylenediamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.

Abstract: Resin compositions which contain a compound having at least two epoxy and/or thiirane groups in the molecule (ingredient (1)) and a specific ionic liquid (ingredient (2)), as combined, are practicable resin compositions which comprise constitutive elements of readily available materials and have well-balanced suitable curing capability and storage stability. Preferably, the ionic liquid (ingredient (2)) comprises a combination of an ammonium cation or phosphonium cation and a carboxylate anion.

Abstract: Modified epoxy resins comprising the reaction product of a cycloaliphatic, polycyclic and/or aromatic biomass derived compound and an epoxy resin are disclosed. Aqueous dispersions and coatings comprising these reaction products are also disclosed.

Abstract: The invention is based on the recognition that known antimicrobial compounds, such as nisin or other lantibiotics, can be made to form a long lasting antimicrobial surface coating by linking the peptide with a block polymer, such as PLURONIC® F108 or an end group activated polymer (EGAP) in a manner to form a flexible tether and/or entrap the peptide. The entrapped peptide provides antimicrobial action by early release from entrapment while the tethered peptide provides longer lasting antimicrobial protection. Antimicrobial gels and foams may be prepared using the antimicrobial peptide containing block copolymers.

Abstract: Curing agent for epoxy resins, comprising A) 1-99 wt % of an adduct obtainable by reaction of a1) a polyethylene polyamine having up to five nitrogen atoms in the molecule, with a2) a monoglycidylether, wherein the adduct of a1) and a2) is isolated by removing the excessive polyethylene-polyamine, and B) 99-1 wt % of an amine compound having at least two reactive amine hydrogen atoms in the molecule, as well as curable compositions additionally comprising an epoxy compound and the use of said curable compositions for the preparation of moulded articles and sheet materials, as well as for applications in the field of adhesives and sealing compounds.

Abstract: A block copolymer comprising a first polyether block including a pendant alkoxyfluoroalkyl group, and a second polyether block that is substantially devoid of pendant alkoxyfluoroalkyl groups and includes at least two distinct units.

Abstract: Activated polymeric bicine derivatives such as, as well as conjugates made therewith are disclosed. Methods of making and using the bicine derivatives are also disclosed.

Abstract: A silicone adhesive composition used for adhering a device or a substance to a wet surface contains (i) a silicone resin that is cohydrolysis product of a trialkyl hydrolyzable silane and an alkyl silicate in which the cohydrolysis product contains a plurality of silicon-bonded hydroxy groups; (ii) a linear organopolysiloxane fluid containing terminal silicon-bonded hydroxy groups having a viscosity above 200,000 mm2/s at 25° C.; (iii) a trialkylsiloxy terminated polyorganosiloxane fluid having a viscosity of 100,000-600,000 mm2/s at 25° C.

Abstract: The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.

Abstract: The invention relates to silane coatings obtainable by reaction of aminosilanes with glycidyl (meth)acrylate copolymers.

Abstract: (Salph or methoxy salph) Co (initiating ligand) catalyze homopolymerizing rac-PO to produce pure highly isotactic PPO and rac-1-butylene oxide to produce pure isotactic poly(butylene oxide). A product is unfractionated isotactic PPO of m-dyad content >81%, normally at least 99%.

Abstract: An epoxy resin composition including an epoxy resin and a curing agent as essential components, in which the curing agent comprises a phenol resin which has each structural moiety of a phenolic hydroxyl group-containing aromatic hydrocarbon group (P), an alkoxy group-containing aromatic hydrocarbon group (B) and a divalent aralkyl group (X), and also has, in a molecular structure, a structure in which the phenolic hydroxyl group-containing aromatic hydrocarbon group (P) and the alkoxy group-containing aromatic hydrocarbon group (B) are bonded with the other phenolic hydroxyl group-containing aromatic hydrocarbon group (P) or alkoxy group-containing aromatic hydrocarbon group (B) via the divalent aralkyl group (X).

Abstract: A silicone polymer having a modified surface is described, wherein said modification consists of a covalently attached water soluble polymer bearing an activating group, wherein said activating group reacts with reactive functionalities on one or more biological molecules so that said one or more biological molecules become covalently attached to said silicone polymer. The modified silicones are reacted with biological molecules to make them more biocompatible for use in biodiagnostic, biosensor or bioaffinity applications, or for coatings for in vivo transplantation or for liners exposed to biological broths.

Abstract: A method for producing film-forming materials including resins and/or crosslinkers having a —Si(OR)3 group. Methods of producing coating compositions and coating a substrate, such as a metal substrate, by electrodeposition. Applied coatings containing the film-forming materials can be cured to form crosslinked films on substrates.

Abstract: The invention relates to coating compositions, in particular anti-slip floor coating compositions that contain a crystalline polymeric material in solution that crystallises as the coating cures leading to the formation of hard polymeric crystals within the cured coating composition. The invention also relates to methods of making these compositions and uses thereof.

Abstract: The present invention is directed to hydrolytically stabilized maleimide-functionalized water soluble polymers and to methods for making and utilizing such polymers and their precursors.

Abstract: The present invention is directed to hydrolytically stabilized maleimide-functionalized water soluble polymers and to methods for making and utilizing such polymers and their precursors.

Abstract: Methods of preparing a graft copolymer comprising a plurality of different grafts wherein the methods employ an epoxide macroinitiator and an early transition metal radical ring opening catalyst without the need for any epoxide protection/deprotection steps. Such a process results in graft copolymers having complex polymer architectures.

Abstract: The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a residue of a polyol, and at least three copolymer arms covalently attached to the central core molecule, each copolymer arm comprising an inner hydrophobic polymer segment covalently attached to the central core molecule and an outer hydrophilic polymer segment covalently attached to the hydrophobic polymer segment, wherein the central core molecule and the hydrophobic polymer segment define a hydrophobic core region. The solubility of hydrophobic biologically active agents can be improved by entrapment within the hydrophobic core region of the block copolymer. The invention further includes pharmaceutical compositions including such block copolymers, pharmaceutical compositions, and methods of using the block copolymers as drug delivery vehicles.

Abstract: A crosslinker (i.e., a curing agent) for polymerizing a film-forming material. The crosslinker is an organic compound including at least two functional groups reactive with a film-forming material and at least one pendent group comprising a —Si(OR)3 group, wherein each R is independently an alkyl group including from 1 to about 12 carbon atoms or an aryl group including substituted and unsubstituted phenyl and benzyl groups. Functional groups reactive with a film-forming materials include isocyanate, blocked isocyanate, uretdione, epoxide, hydroxyl, carboxyl, ester, ether, carbamate, aminoalkanol, aminoalkylether, amide, or amine groups. Embodiments include derivatives of the various crosslinkers as disclosed elsewhere herein, where the crosslinker has at least two functional groups reactive with a film-forming material and at least one pendent group comprising a —Si(OR)3 group.

Abstract: A copolymer and a process of making the copolymer are disclosed. The copolymer is produced from reacting a glycidyl ester and/or ether with a polyol comprising a functionality of at least 2 wherein at least 50% by weight of the copolymer comprises a minimum of 3n+X repeating units, wherein n is a monomer unit and X is a monomer unit and/or other reactant. The copolymer may also include less than 50% of the polymeric units having the same molecular weight. The present invention is further directed to processes for preparing the copolymer and to coating compositions employing the copolymer.

Abstract: The invention describes novel silicone-containing graft copolymers and processes for their preparation. In particular, it relates to silicone-containing graft copolymers P, which are obtained by grafting olefinic monomers M onto polyether-containing radicals of polyoxyalkylene-polysiloxane block copolymers S with (AB)n structure.

Abstract: The problem is to efficiently produce an active hydrogen group-containing oxyalkylene polymer as a starting material of a hydrolyzable silicon group-containing oxyalkylene polymer which has a low viscosity while maintaining a plasticity of a cured product and which does not contaminate an area around a sealing portion and/or has no adverse effect on an adhesion. The problem is dissolved by a process for producing an oxyalkylene polymer in which a first oxyalkylene polymer having at least two active hydrogen groups and a second oxyalkylene polymer having one active hydrogen group coexist, which process comprises reacting an alkylene oxide using a first initiator having at least two active hydrogen groups and a second initiator having one active hydrogen group in the presence of a catalyst.

Abstract: The present invention concerns polymers obtained by anionic initiation and bearing functions that can be activated by cationic initiations that are not reactive in the presence of anionic polymerization initiators. The presence of such cationic initiation functions allow an efficient cross-linking of the polymer after moulding, particularly in the form of a thin film. It is thus possible to obtain polymers with well-defined properties in terms of molecular weight and cross-linking density. The polymers of the present invention are capable of dissolving ionic compounds inducing a conductivity for the preparation of solid electrolytes.

Abstract: This invention provides coating compositions excelling in storage stability and curability, which comprise carboxyl group- and/or cyclic acid anhydride group-containing compound; polyepoxide; and latent curing catalyst composed of tertiary amine and acidic phosphoric acid ester.

Abstract: The present invention provides a polymer membrane enhanced with cured epoxy resin for use as the outer membrane of biosensors. The membrane includes approximately 30-80% epoxy resin adhesives, 10-60% polymer such as poly(vinyl chloride), polycarbonate and polyurethane and 0-30% plasticizers and 5-15% surface modifier reagent such as polyethylene oxide-containing block copolymers. Utilizing the polymer membrane of the present invention, a three-layered sensing element has been developed. This sensing element will be particularly useful for miniaturized biosensors used for in vitro blood measurements or for continuous in vivo monitoring such as implantable biosensors. This element includes an enzyme layer, an interference-eliminating layer and the novel polymer member of the present invention as the outer polymer layer. This novel sensing element shows excellent response characteristics in solutions and has an extremely long lifetime.

Abstract: The present invention broadly relates to the field of protein modification and more specifically, water soluble block polymers, their attachment to drugs, and methods of making and use thereof.

Abstract: The invention relates to a method for preparing halogen-free flameproof epoxy resins, in which a halogen-free epoxy resin is reacted with a polyfunctional aldehyde or ketone and a phosphinic acid derivative, wherein the phosphinic acid derivative contains at least one P—H-active structural unit of the formula ?PH(O) and is used in an amount equivalent to the polyfunctionality of the aldehyde or ketone, to a halogen-free flameproof epoxy resin obtainable by this method, to the use of the epoxy resin as a base material for the manufacture of printed circuit boards and printed circuits and to intermediates used to prepare the epoxy resins.

Abstract: A silicon-containing polytrimethylene homo- or copolyether wherein at least a portion of the polymer end groups are silicon-containing end groups having the formula: —OSi(X)(Y)(Z), where X and Y are groups that are easily displaceable from silicon by reaction with water and/or alcohols, and Z is selected from the group consisting of (a) C1-C20 linear or branched alkyl groups, (b) cycloaliphatic groups, (c) aromatic groups, each of (a), (b) and (c) being optionally substituted with a member selected from the group consisting of O, N, P and S, (d) hydrogen, and (e) groups that are easily displaceable from silicon by water and/or alcohol.

Abstract: The invention relates to a carboxyl group-containing polyurethane, which is obtained by reacting (a) a polyisocyanate compound, (b) a polycarbonate diol having a molecular weight of 300 to 50,000, (c) a dihydroxy compound having a carboxyl group and when necessary (d) a monohydroxy compound, a thermosetting composition using the carboxyl group-containing polyurethane and a paste for forming a film using thermosetting composition. The thermosetting composition of the invention is excellent in adhesion to a substrate, low warpage, flexibility, plating resistance and soldering heat resistance.

Abstract: The invention relates to reactive compositions containing at least one compound A that comprises at least two reactive groups selected among the group encompassing isocyanate, epoxide, alkoxysilane, and the mixtures thereof, and at least one polymeric thixotropic agent B which is produced by homopolymering a (meth)acrylate B1 or copolymerizing a (meth)acrylate B1 with at least one additional (meth)acrylate, the (meth)acrylate mixture having a mean (meth)acrylate functionality of 2.5 to 4.5. Said (meth)acrylate B1 is provided with three or four (meth)acrylate groups. The invention further relates to the use of compound B as a thixotropic agent.

Abstract: Provided is an adhesive composition useful for electronic assembly comprising a curable epoxy resin, a plurality of polymer particles having at least one of a plurality of acid functional groups or a composition which swells in the presence of the epoxy resin at a first temperature and a thermally activated cure agent and/or a thermally activated cure catalyst which becomes active at a second, temperature, wherein the second temperature is higher than the first temperature. Also provided are assemblies including such adhesives and methods of assembling same.

Abstract: The instant invention is an improved cure system composition and a method for curing chlorinated elastomer compositions. The cure system composition includes a polymercapto crosslinking agent; an inorganic base; and an onium salt. The onium salt has a formula selected from the group consisting of formula (I) and formula (II); wherein Z is a nitrogen or phosphorous atom, R1 to R4 are independently alkyl or aryl groups containing between 2 and 8 carbon atoms, and the total number of carbon atoms on R1-R4 is between 10 and 14; wherein R5 and R6 are alkyl groups containing between 1 and 8 carbon atoms, and the total number of carbon atoms on R5-R6 being between 5 and 9; and wherein X is an anion.

Abstract: Disclosed herein are non-natural amino acids and polypeptides that include at least one non-natural amino acid, and methods for making such non-natural amino acids and polypeptides. The non-natural amino acids, by themselves or as a part of a polypeptide, can include a wide range of possible functionalities, but typical have at least one oxime, carbonyl, dicarbonyl, and/or hydroxylamine group. Also disclosed herein are non-natural amino acid polypeptides that are further modified post-translationally, methods for effecting such modifications, and methods for purifying such polypeptides. Typically, the modified non-natural amino acid polypeptides include at least one oxime, carbonyl, dicarbonyl, and/or hydroxylamine group. Further disclosed are methods for using such non-natural amino acid polypeptides and modified non-natural amino acid polypeptides, including therapeutic, diagnostic, and other biotechnology uses.

Abstract: A polymeric composition having improved melt extrusion properties comprising: A) an olefin polymer; B) a cationic derivative of a poly(oxyalkylene) compound; and C) an interactive diorganopolysiloxane compound containing hydroxyl-, carboxylic acid-, di(C1-20 hydrocarbyl)amine-, or C2-10alkenyl- functional groups.

Abstract: The instant invention relates to a liquid composition comprising a mixture of: (1) water and/or a polar solvent; (2) a colloidal dispersion of mineral particles; and (3) a phosphonate terminated poly(oxyalkene) polymer; the invention also relates to process for stabilizing aqueous and/or solvent-based dispersions of mineral particles comprising the step of adding an efficient stabilising amount of a phosphonate terminated poly(oxyalkene) polymer.

Abstract: The invention relates to a high gloss car wash-resistant coating composition comprising an epoxy-functional binder and a cross-linker reactive with the epoxy groups of the binder and a method to prepare such a car wash-resistant coating. The invention further relates to the use of said coating composition, as a pigment-free top coat or a clear coat, in the finishing and refinishing of articles, for example motorcycles, cars, trains, buses, trucks, and aeroplanes. The coating composition after curing forms a coating having an initial gloss of at least 81 GU and a loss of gloss (LoG) of less than 0.25, the loss of gloss being determined by the formula (I) LoG=(1?e(A/X))/(1+eK)+(1?eD*?Tg) ??(I) wherein K=B*(Tgonset?C) In formula I A=?8.03, B=?0.21, C=328 and D=?0.00304.

Abstract: The present invention relates to the use of a hydrophilic, biocompatible and biodegradable elastomer membrane or film for the selective separation of a gas mixture. Accordingly, processes for selective gas separation of a gas mixture are provided in which a gas mixture is contacted with such a membrane such that a selective portion of the gas mixture passes through the membrane.

Abstract: The present invention relates to fullerene derivatives including a pendant group that may be reacted to prepare a composition including a plurality of covalently bound fullerenes. The pendant group may be a cyclic ether, such as an epoxide. The present invention also relates to compositions including reaction products of these fullerene derivatives and photovoltaic devices including such polymeric compositions.

Abstract: The present invention relates to a process for preparing organyloxysilyl-terminated polymers which have increased stability toward atmospheric moisture, by reacting hydroxy-terminated organic polymers with isocyanato-functional silanes in the presence of at least one catalyst selected from the group consisting of bismuth and zinc compounds, and to crosslinkable compositions comprising such polymers.

Abstract: Polyethylene glycol aldehyde compounds are provided. Methods of making and using such compounds, as well as chemical intermediates are also provided.

Abstract: Bulk-modified potting composition based on a curable epoxy resin or on a mixture of these resins, where the resin or the mixture is composed of an epoxy resin, a hardener, where appropriate an accelerator, and also other additives, such as fillers, flexibilizers, and colorants, which potting composition (a) comprises a three-dimensionally crosslinked polysiloxane in disperse form and with a particle size in the range from 0.02 ?m to 50 ?m, which, where appropriate, has reactive groups which can react chemically with the epoxy resin and/or the hardener, (b) a selected linear or branched siloxane compound which has reactive groups which can react chemically with the epoxy resin and/or the hardener, and also, where appropriate, (c) a low-molecular-weight oligomeric siloxane compound, the use of the potting composition as an engineering material or as an insulating material, and the moldings and insulation produced therefrom.

Abstract: A linear random block copolymer comprising segments of polyethylene oxide and a relatively more hydrophobic polymer, e.g. polypropylene oxide connected by hydrophobic segments containing urethane and urea groups formed from the reaction of a di-isocyanate and a diamine, wherein the diamine comprises less than 2% by weight of the total weight of the reactants used in the preparation of the copolymer.

Abstract: The invention provides water-soluble compounds that include a polymer and at least one terminal azide or acetylene moiety. Also provided are highly efficient methods for the selective modification of proteins with PEG derivatives, which involves the selective incorporation of non-genetically encoded amino acids, e.g., those amino acids containing an azide or acetylene moiety, into proteins in response to a selector codon and the subsequent modification of those amino acids with a suitably reactive PEG derivative.

Abstract: A process for preparing polyoxyalkylene phosphonates in high yield and purity without extensive isolation procedures. The process also enables hydroxy terminated polyoxyalkylene phosphonates to be produced with their attendant high aqueous solubility and the availability of the reactive group to have the end functionality easily molecularly modified. Products produced by these processes have enhanced dispersion, coating, adhesion, and plasticizing characteristics as a result of the lack of any steric hinderance on these polyoxyalkylene phosphonates.

Abstract: A process for making substituted polyethylene glycol compound. The compound has the formula RO(C2H40)nH wherein R represents a C1–7 hydrocarbon group and n represents the average number of moles of C2H40 groups, ranging from 500 to 2000. The compound has a ratio of weight average molecular weight to a number average molecular weight in the range of from 1 to 1.1. The compound contains less than ten weight percent polyethylene glycol. The gist of the process is the use of a polyether solvent, wherein the n value of the compound ranges from 600 to 2000.