Abstract: Controlled thermal crosslinking in a polyacrylate-based composition is accomplished by a crosslinker-accelerator system for the thermal crosslinking of polyacrylates having functional groups suitable for entering into linking reactions with epoxide groups, comprising at least one substance comprising at least one epoxide group (crosslinker) and at least one substance of the general formula (I) R1R2N—CR3R4—CR5R6—(CR7R8)n—NR9R10??(I) wherein the radicals R1, R2, R9 and R10 independently of one another are a hydrogen atom or a substituted or unsubstituted alkyl or cycloalkyl radical having 1 to 8 carbon atoms or an alkylene group bonded to the main chain and having 1 to 8 carbon atoms, where at least one of the radicals R1, R2, R9 and R10 is not a hydrogen atom; the radicals R3, R4, R5, R6, R7 and R8 independently of one another are a hydrogen atom or an alkyl group having 1 to 8 carbon atoms or form a 5-7-membered cycloalkylene group; and n is an integer from 0 to 4 (accelerator).

Abstract: Sizing compositions to size fibers or particles used in plastic composites are described. The compositions may include a solution with a polymerization compound selected from: (a) at least one non-isocyanate-containing polymerization initiator (PI) for initiating the polymerization of caprolactam monomers; or (b) at least one precursor for a non-isocyanate-containing PI for initiating the polymerization of caprolactam monomers. Methods of making the sizing the composition, as well as methods of making reinforced thermoplastic composites from sized fibers or particles, are also described.

Abstract: Non aqueous water dispersible compositions comprising: I) polyisocyanates, which are made hydrophilic by reaction with a 1,3- or 1,2-nonionic diol containing one alkoxy-terminated polyoxyethylene and/or polyoxypropylene chain, II) one or more ethoxylated alcohol phosphates having at least one phosphoric group in acid form, and optionally III) a water miscible organic solvent, the compositions being useful as crosslinker for polyurethane aqueous dispersions.

Abstract: The present disclosure provides an additive and a method for terminating polymerization and/or reducing viscosity of polymer solution. The additive comprises a carboxylic acid, an alcohol, a salt chosen from alkali metal salts, alkaline earth metal salts, ammonium salts, and any combination thereof, and optionally, water. The method of the present disclosure comprises adding the additive according to present disclosure into a polymer solution and mixing the resulting mixture. The additive of the present disclosure can terminate living polymer chain ends efficiently and can destroy catalytic active centers and can substantially reduce the viscosity of a polymer solution.

Abstract: The present invention relates to stable, zero or low VOC epoxy-containing polysiloxane oligomer compositions that provide for a high degree of chemical resistance to compositions containing organic resins, while at the same time, maintaining or improving the flexibility of these organic resin-containing compositions, to processes for preparing epoxy-containing polysiloxane oligomer compositions, and to uses in coatings, sealants, adhesives, and composites containing the same.

Abstract: The present invention relates to a boronated polymer according to Formula (1): a process for making the boronated polymer according to Formula (1), drug 10 delivery systems, aggregates, nanoparticles and hydrogels comprising the boronated polymer according to Formula (1).

Abstract: It is an object to provide a nucleating agent that is suitable for promoting crystallization of a crystalline resin and is derived from a natural product, in order to improve the moldability and the heat resistance of crystalline resins such as a poly(lactic acid) resin and a polyolefin resin; and to provide a crystalline resin composition including the nucleating agent. There is provided a crystalline resin composition including a crystalline resin and an amino acid metal salt; and a nucleating agent including the amino acid metal salt.

Abstract: The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.

Abstract: A nucleating agent composition for increasing rigidity and toughness of polypropylene is provided. The nucleating agent composition comprises a carboxylate nucleating agent and a phosphate nucleating agent. The carboxylate nucleating agent is selected from the group consisting of sodium benzoate and hydroxyl aluminum para-tertiary butyl benzoate, and the phosphate nucleating agent is selected from any one of sodium 2,2?-methylene-di(4,6-di-t-butyl phenyl) phosphate and aluminum bis[2,2?-methylene-di(4,6-di-t-butylphenyl)] phosphate. The nucleating agent composition according to the present invention not only can significantly improve the bending modulus and thermal deformation temperature of polypropylene, but also can improve the impact strength of polypropylene.

Abstract: [Object] A phosphorus-containing oligomer that has high solubility in an organic solvent and exhibits high flame retardancy and heat resistance in the form of a cured product thereof is provided.

Abstract: The present invention provides a thermoplastic polymer composition containing a particular phenol compound or organic phosphoric compound, compound (9) which is compound (9a) represented by CmH2mOm wherein m is an integer of not less than 3 and not more than 10, and having one aldehyde group or ketone group and m?1 hydroxy groups with at least one hydroxy group having been replaced by an alkoxy group represented by —OR26 wherein R26 is a C1-12 alkyl group, and a thermoplastic polymer, and a processing stabilizer containing a particular phenol compound or organic phosphoric compound, and compound (9). A combined use of a particular phenol compound or organic phosphoric compound and compound (9) can improve processing stability of a thermoplastic polymer composition.

Abstract: Siloxane-based coatings for providing writable-erasable surfaces are provided. The coatings have many desirable characteristics and advantages over known coatings for writable-erasable surfaces. For example, the coatings cure rapidly under ambient conditions, have low VOC emissions upon curing, and have reduced tendency to form ghost images, even after prolonged normal use.

Abstract: Embodiments of the present disclosure provide a composition that includes a phosphorous-containing compound, a cyanate ester, an epoxy resin, and a maleimide. For the various embodiments, a viscosity of the composition increases less than 100% as measured by Gardner Bubble Viscosity a temperature of 23° C. in at least 3 days. For the various embodiments, the composition of the present disclosure can also include an aprotic solvent, such as a ketone. Embodiments of the present disclosure further include a composition that includes the phosphorous-containing compound, the cyanate ester, and the aprotic solvent. For the various embodiments, the composition can also include the epoxy resin and the maleimide. For the various embodiments, the composition does not include an aliphatic alcohol.

Abstract: A novel monomer, 1,1,1-tri-[4-(methacryloxyethylaminocarbonyloxy)-phenyl]ethane (MPE) can be used in preparing dental compositions The MPE monomer can be combined into a dental adhesive with hydroxyethyl methacrylate (HEMA) and BisGMA (bisphenol A dimethacrylate). The MPE polymer can be polymerized with a photoinitiator system, such as a system that includes an iodonium salt. The iodonium salt can be diphenyliodonium hexafluorophosphate.

Abstract: Silicone-polyether block copolymers prepared by organomodification of branched polysiloxanes having terminal and/or lateral SiH functions or linear polysiloxanes having lateral and/or terminal SiH functions by means of polyethers or polyether mixtures, characterized in that the polyethers used have a polydispersity Mw/Mn in the range from 1.0 to 1.5 and/or ratios Mn/MWIN and Mw/MWIN in the range from 0.7 to 1.3, their preparation and use and also polymer articles produced therewith.

Abstract: The photocuring efficiency of an N-oxyazinium salt photoinitiator is increased by mixing it with an organic phosphine as a photoinitiator efficiency amplifier. This mixture or photoinitiator composition can be used to cure acrylates or other photocurable compounds, particularly in an oxygen-containing environment.

Abstract: Described herein are novel metal salts capable as nucleating agents for polyolefins. The present invention relates to such salts synthesized by reacting potassium hydroxide with carboxylic acids and further, to the achievement of high crystallization temperatures in polypropylene compositions upon dispersal therein of formulations containing one or more of the said metal salts.

Abstract: The invention is directed to various alkylaryl phosphite compositions that ideally are suitable for use as secondary antioxidants in polymers. In one aspect, the phosphite composition comprises a tris(monoalkylaryl)phosphite in an amount from 51 to 95 weight percent; and at least one of: a bis(monoalkylaryl)dialkylaryl phosphite; a bis(dialkylaryl)monoalkylaryl phosphite; and a tris(dialkylaryl)phosphite. The inventive phosphite composition is a solid at ambient conditions. The invention also relates to alkylate compositions and processes for forming such alkylate compositions and such phosphite compositions.

Abstract: Compositions and methods for producing a manufactured product, a method for making a liquid absorbent, and processes for disposal of flammable liquids with a flue gas desulfurization by-product. The compositions for the manufactured products combine a binder and the by-product. The composition contains a greater percentage by weight of the by-product than the binder. The methods for producing manufactured products include dewatering the gypsum-depleted waste stream to reduce a water content, and forming the manufactured product. The method for making a liquid absorbent includes dewatering, granulating, drying, heating, and packaging a granulated gypsum-depleted composition as the liquid absorbent. The processes for disposal of flammable liquids include distributing a by-product into contact with flammable liquid, absorbing the liquid, transporting, and igniting the flammable liquid. The artificial soils are a combination of by-product and animal waste.

Abstract: This invention relates to a silicone oil emulsion that contains cross-linked silicone particles in drops of silicone oil which have an average particle diameter of 0.1 to 500 ?m and are dispersed in water, wherein the silicone oil contains epoxy groups, acryl groups, methacryl groups, silicon-bonded alkoxy groups, or silicon-bonded hydroxyl groups but is free of silicon-bonded hydrogen atoms and alkenyl groups, said cross-linked silicone particles is formed by a hydrosilation reaction. Furthermore, this invention also relates to a silicone oil composition obtained by removing water from said emulsion.

Abstract: The photocuring efficiency of a photoinitiator is increased by mixing it with an organic phosphite and an aldehyde. This mixture or photoinitiator composition can be used to cure acrylates or other photocurable compounds, particularly in an oxygen-containing environment.

Abstract: The invention relates to a method for producing a dispersion of nanoscale dicarboxylic acid salts, to the use of these dispersions for producing a compound, and to the use for producing films. The invention further relates to the use of the compounds for producing films.

Abstract: The present invention is directed toward water based play compositions including a crosslinkable network polymer and a crosslinking system effective to crosslink the polymer. The crosslinking system is a water-soluble salt complex including a primary crosslinking agent, a secondary crosslinking agent, and a tertiary crosslinking agent. The crosslinking system contains a diminished amount of boron compounds while remaining effective in crosslinking network polymers including polyvinyl alcohol (to form moldable dough compositions) and guar gum (to form hydrogels).

Abstract: The present invention relates to the use of Styrenated Phenol Ethoxylates as surfactants in emulsion polymerization. The present invention further relates to the use of both anionic and nonionic Styrenated Phenol Ethoxylates in emulsion polymerization. Latexes with small average particle and narrow particle size distributions are obtained. Prepared latexes also have low coagulum levels and exhibit excellent mechanical and chemical stability.

Abstract: Hardener composition for condensation-crosslinking RTV-2 silicone compositions contain (A) at least one crosslinker, (B) at least one crosslinking catalyst which is an alkali metal or alkaline earth metal compound which is not a hydroxide, and (D) at least one functional silane as a coupling agent.

Abstract: Silanation compositions containing a mixture of two or more silanation reagents, where at least one silanation reagent includes a functional group capable of supporting polymer synthesis and at least one silanation reagent includes no functional group capable of supporting polymer synthesis are useful in modulating the active site density and hydrolytic stability of a surface. These compositions are particularly useful in silanating a surface prior to preparation of a polymer array and provide for increased hybridization results.

Abstract: Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties.

Abstract: This invention is directed to stabilizing additives that contain at least one platinum complex, with the complex including a carbene group. The stabilizing additives make it possible to improve the resistance to decomposition of silicone elastomers under high temperatures. The additive can be used in a polyorganosiloxane composition intended for the production of a silicone elastomer with either crosslinks at high temperature under the action of organic peroxides or crosslinks at ambient temperature or with heat by polyaddition reactions in the presence of a metal catalyst.

Abstract: A half ester of an organic polyol made by reacting polyols with anhydrides; a thermosettable composition including (i) the half ester of an organic polyol, (ii) an anhydride, (iii) an epoxide, and (iv) a catalyst; and a thermoset product made from such thermosettable composition. The thermosettable compositions of the present invention are useful in various applications such as casting, potting, and encapsulation, such as electrical and electronics applications, and composites. The thermoset products made from the thermosettable compositions of the present invention have improved mechanical performances, especially toughness and mechanical strength, while maintaining high thermal resistance.

Abstract: Powdery silica composite particles obtained by a surface treatment step of adding acid or alkali to a reactant solution comprising: core silica particles of 5 to 200 nm in average particle size; alkoxysilane; a phosphonium salt ionic liquid represented by general formula (1); wherein R1, R2, and R3 respectively represent a linear or branched alkyl group having 1 to 5 carbon atoms, R4 represents a linear or branched alkyl group having 1 to 5 carbon atoms, n represents an integer of 1 to 8, and X represents an anionic group; and a reaction solvent such that the alkoxysilane is hydrolyzed, thereby surface-treating the core silica particles.

Abstract: The present invention relates to a homogenous liquid blend comprising a photoinitiator and an alkoxylate surfactant for incorporation into aqueous based and solvent based radiation curable systems. In particular the invention relates to a homogenous liquid blend which is liquid at room temperature comprising at least 30% by weight with regard to the whole blend of a solid photoinitiator of the radical type and 1-70% by weight of at least one alkoxylated liquid surface active agent and optionally an organic diluent.

Abstract: The present invention provides a low-staining room temperature curable coating composition having an excellent low-staining property and recoatability, and comprising (A) a hydroxyl-containing resin, (B) an isocyanate based curing agent, (C) an organosilicate based hydrophilizing agent, (D) a recoatability modifier and (E) an organic solvent, in which the recoatability modifier (D) comprises at least (D1) an amide-containing polymer and (D2) a silane coupling agent.

Abstract: A hardener for silicone rubber materials comprising a silane compound which comprises a 2-hydroxy-propionic acid alkyl ester radical.

Abstract: One exemplary embodiment includes a method comprising polymerizing vinyl monomers with an initiator comprising a phenoxyaluminum alkyl compound in the presence of oxygen.

Abstract: The present invention relates to plastic disposable supplies used in medical, biological, chemical and biochemical industries and laboratories. The disposable products of the present invention are manufactured by using a novel biodegradable plastic with composition modified from polylactic acid (PLA) plastic and additives under specific injection/blow molding conditions, thus possessing superior physical and chemical properties and being able to be degraded in nature without causing environmental contamination.

Abstract: An aqueous solution contains a piperazinyl-containing silanol compound having formula (1) wherein R1 is a monovalent hydrocarbon group and n is 0, 1 or 2 and a dehydrated condensate thereof, with a volatile alcohol content being less than 10 wt %.

Abstract: The present invention relates to an initiator system for synthesizing high-vinyl diene rubbers, to a method for producing diene homopolymers and diene copolymers having a high vinyl content at high polymerization temperatures, and to the use thereof to produce diene homopolymers and diene copolymers having a high vinyl content at high polymerization temperatures.

Abstract: A resin composition is provided that includes two or more types of compounds selected from the group consisting of (Component A) a compound comprising a silicon atom having a total of one or two alkoxy and hydroxy groups, (Component B) a compound comprising a silicon atom having a total of three alkoxy and hydroxy groups, and (Component C) a compound comprising a silicon atom having a total of four alkoxy and hydroxy groups. There are also provided a relief printing plate precursor that includes a relief-forming layer formed from the resin composition, a process for producing a relief printing plate precursor that includes a layer formation step of forming a relief-forming layer from the resin composition and a crosslinking step of thermally crosslinking the relief-forming layer so as to form a crosslinked relief-forming layer.

Abstract: Process for producing silica-comprising dispersions comprising a polyetherol or a polyether amine, which comprises the steps of (i) admixing an aqueous silica sol (K) having an average particle diameter of from 1 to 150 nm and a silica content, calculated as SiO2, of from 1 to 60% by weight and a pH of from 1 to 6 with at least one polyetherol (b1) and/or polyether amine (b2) based on ethylene oxide and/or propylene oxide and having an average OH or amine functionality of from 2 to 6 and a number average molecular weight of from 62 to 6000 g/mol, (ii) distilling off at least part of the water, (iii) admixing the dispersion with at least one compound (S) having at least one at least monoalkoxylated silyl group and at least one alkyl, cycloalkyl or aryl substituent, where this substituent may have groups which are reactive toward an alcohol, an amine or an isocyanate in an amount of from 0.

Abstract: An organobismuth compound represented by the formula (1) and a method for preparing a living radical polymer using the organobismuth compound. In the formula (1), R1 to R3 each represent a C1-C8 alkyl group, an aryl group, a substituted aryl group, an aromatic heterocyclic group or a group represented by the formula (2) where at least one of R1 to R3 is a group represented by the formula (2), wherein R4 and R5 each represent a C3-C8 alkyl group, an aryl group or a substituted aryl group, and R6 to R8 each represent a hydrogen atom, a C1-C8 alkyl group, an aryl group or a substituted aryl group.

Abstract: Provided are dispersions which comprise more than about up to 55 percent by weight or more of an organic peroxide which is normally solid in an anhydrous liquid phase such as dibutyl maleate or dioctyl adipate, with about 5% by weight or more fumed silica to provide a thixotropic, storage stable organic peroxide paste. Addition of about 5 weight % or more of fumed silica was found to result in the formation of a shear thinning anhydrous dispersion of organic peroxide which was storage stable.

Abstract: The invention provides an aqueous floor coating composition, comprising water, at least one polymer film forming agent, and a plasticizing agent, wherein at least a portion of the plasticizing agent is a synergistic combination of tributoxyethyl phosphate and a benzoate ester blend. Such compositions have reduced phosphorus content, yet retain the leveling and gloss of tributoxyethyl phosphate plasticizers and also exhibit improved soil resistance.

Abstract: Process for producing silicate-comprising polyols, which comprises the steps (i) admixing of an aqueous silica sol (K) having an average particle diameter of from 1 to 150 nm and a silica content, calculated as SiO2, of from 1 to 60% by weight and having a pH of from 1 to 6, based on the SiO2 content used, with a 0.

Abstract: The use of nitroxides to control free radical cured resin systems used in the production of thermosetting materials such as in vacuum infusion, resin transfer molding and cured in place piping systems is disclosed. The invention could also be employed in other resin systems where control of kinetics would be desirable such as in adhesive formulations, in solid surface composites, and certain types of polyester casting resins.

Abstract: The invention relates to an accelerator solution comprising a complexing agent selected from the group consisting of complexing agents having a nitrogen atom and a hydroxyl group and bipyridine, a salt of a metal selected from the group consisting of transition metal, magnesium, and lithium, and optionally a solvent, wherein when the complexing agent has a nitrogen atom and a hydroxyl group, the amount of complexing agent in the accelerator solution is at least 5 wt %, based on the total weight of the accelerator solution, the amount of solvent is less than 50 wt %, and the amount of diethylene glycol as solvent is less than 25 wt %, based on the total weight of the accelerator solution.

Abstract: The instant invention is a cure system for halogenated elastomer compositions, a curable halogenated elastomer composition, and a method for curing a halogenated elastomer composition. The cure system for halogenated elastomer compositions includes a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate. The curable halogenated elastomer composition includes a chlorinated elastomer, and a cure system including a polymercapto crosslinking agent, an inorganic base, and a hydrated salt selected from the group consisting of lithium citrate, trilithium citrate pentahydrate, trilithium citrate tetrahydrate, and monolithium dihydrogen citrate monohydrate.

Abstract: Particulate solid heat stabilizer compositions for vinyl halide polymers are provided having about 30% to 90% by weight hydrotalcite particles represented by a sigmoidal curve on a cartesian coordinate plot of zeta potential (mV) versus pH. The curve has negative zeta potential values balanced against positive zeta potential values over a pH range and an inflection point between a pH of about 3 about 6 representing the isoelectric point (IEP) between said negative and positive zeta potential values. The stabilizer compositions are essentially free flowing, storage stable, and processable upon mixing components of the composition for blending with a vinyl halide polymer in effective amounts to confer heat stabilizing effectiveness upon said polymer.

Abstract: Disclosed is a polyolefin resin composition which has an excellent transparency even when the polyolefin resin has a high melt flow rate (MFR). The polyolefin resin composition comprises a polyolefin resin having a melt flow rate (MFR) at 230° C. of 20 dg/min or more, (A) a dibenzylidene sorbitol compound represented by the following general formula (1), (wherein n represents an integer of 0 to 2; and R1, R2, R3, R4, and R5 each independently represent a hydrogen atom or the like) and (B) an alkali metal salt compound of organic phosphoric acid ester represented by the following general formula (2), (wherein R6 to R9 each independently represent a hydrogen atom or the like), and wherein the sum of the amount of the component (A) and the component (B) is 0.01 to 1.0 part by mass per 100 parts by mass of the polyolefin resin, and (A)/(B), the ratio (mass ratio) between the component (A) and the component (B), is within a range from 99/1 to 80/20.

Abstract: A method for producing reactive fine particles, includes: admixing at least one latent curing agent selected from the group consisting of a urea derivative, an imidazole, a dicyaniamide (DICY), a mixture of any one or more thereof, and a precursor thereof, in a solvent to form a clear solution; spraying the clear solution onto at least one inorganic inert particle selected from the group consisting of a metal oxide, a mineral filler, a natural filler, and a mixture of any one or more thereof, the at least one inorganic inert particle having a specific surface area in the range of about 10 to about 50 m2/g; and removing the solvent to form reactive fine particles that includes a core of inert material coated by a coating layer that includes the at least one latent curing agent.

Abstract: A mixture of tris(hydroxyphenyl) or tris(alkoxyphenyl) phosphine oxide isomers is provided each having the formula (I): wherein R is hydrogen or an alkyl group containing from 1 to 6 carbon atoms, R1 is an alkyl group containing from 1 to 6 carbon atoms, x is an integer between 0 and 4, and each OR group is in the ortho or para position with respect to the bond between the P atom and the associated phenyl group such that the ratio of the number of OR groups in the ortho-position with respect to the bond between the P atom and the associated phenyl group to the number of OR groups in the para-position with respect to the bond between the P atom and the associated phenyl group is between about 50:50 and about 0.1:99.9.