Abstract: A vinyl ester resin composition comprising a reaction product of: (a) a polyepoxide resin; (b) an unsaturated carboxylic acid; and (c) a reactive carboxyl group terminated amphiphilic block copolymer, a reactive epoxy group terminated amphiphilic block copolymer, or a mixture thereof; and a cured thermoset composite product produced from the above vinyl ester resin composition.

Abstract: The present invention provides adiabatic plug flow reactors suitable for the production of chlorinated and/or fluorinated propene and higher alkenes from the reaction of chlorinated and/or fluorinated alkanes and chlorinated and/or fluorinated alkenes. The reactors comprise one or more designs that minimize the production of by-products at a desired conversion.

Abstract: A modified epoxy novolac resin composition including a reaction product of: (a) a novolac epoxy resin compound, (b) a cardanol compound, and (c) a catalyst compound; and a process for preparing the above modified epoxy novolac resin composition such that the composition contains cardanol moieties in a concentration of at least 15 weight percent of the composition.

Abstract: The present invention relates to a mixer, an apparatus comprising the mixer and a reactor, and processes incorporating the same. The mixer comprises an inlet (104) to a chamber (102), wherein the chamber inlet angle is less than 90°. The mixer further comprises an expander zone (106) that expands outwardly at an expander angle of less than 90°. The mixer may be coupled to a reactor at its outlet, which may closely approximate the size of the reactor inlet due to the expander (106).

Abstract: A curable resin composition comprising: a) an epoxy resin; b) an anhydride hardener; c) a polyol; d) a core shell rubber, and (e) a catalyst, is disclosed. When cure the resin composition can be used to formulate composites, coatings, laminates, and adhesives.

Abstract: Embodiments include curable compositions including an epoxy resin and a hardener component including a polymer having first constitutional unit, a second constitutional unit, and a third constitutional unit, where the epoxy group to the second constitutional unit has a molar ratio in a range of 0.5:1 to 5:1. Embodiments include prepregs that include a reinforcement component and the curable composition and an electrical laminate formed with the curable composition.

Abstract: The present invention provides a weir quench, an apparatus utilizing the weir quench and processes incorporating the same. The weir quench incorporates an inlet having an inner diameter (Di) and an upper chamber having an inner diameter (Duc), wherein the inlet inner diameter (Di) is at least 90% of the upper chamber inner diameter (Duc). The apparatus constitutes a reactor having an outlet with an inner diameter fluidly coupled with the weir quench inlet, wherein the ratio of the reactor oulet inner diameter (Dr) to the weir quench inlet diameter (Di) is greater than one. The weir quench, and apparatus are advantageously utilized in processes utilizing a limiting reagent.

Abstract: A process for making a phosphorus-containing compound is disclosed. The process comprises contacting a compound of formula (A) wherein RA and RB are selected from optionally substituted aryl, aryloxy, alkyl and alkoxy groups or can be combined to form cyclic structures; and RC is methyl, ethyl, isopropyl, n-butyl, i-butyl, t-butyl, phenyl or benzyl; and a compound of formula (B) wherein R1-R4 are selected from optionally substituted aryl, aryloxy, alkyl and alkoxy groups. The phosphorus-containing compound can then be used as a flame retardants for polymers, especially for epoxy, polyurethane, thermosetting resins and thermoplastic polymers. Such flame retardant-containing polymers can be used to make protective coating formulations and ignition-resistant fabricated articles, such as electrical laminates, polyurethane foams, and various molded and/or foamed thermoplastic products.

Abstract: A liquid epoxy resin composition having a reduced tendency to crystallize including at least one liquid epoxy resin having the following generic chemical Structure (I): where n is 0 or an integer of 1 or more; and wherein n=0 is in the range of between about 1 wt % and about 90 wt %; wherein; n=1 is in the range of between about 7 wt % and about 20 wt %; n=2 is in the range of between about 0.8 wt % and about 3 wt %; and n=3 and above is in the range of about 0 wt % and about 2 wt %.

Abstract: Curable compositions comprising an epoxy mixture comprising a) an epoxy mixture comprising i) a first epoxy component comprising epoxy phenol novolac oligomers having a content of 2-functional monomers of less than 10 weight percent based on the total weight of the first epoxy component and having an epoxide equivalent weight in the range of 170 to 200; and ii) a second epoxy component comprising an epoxy resin having monomers with an average functionality of at least 2 and b) a hardener, are disclosed. The curable compositions can be used to prepare prepregs for hot-melt applications.

Abstract: A composition comprising: (a) an epoxy resin composition comprising: (i) a first epoxy component comprising an epoxy resin having at least one oxazolidone ring structure; and (ii) a second epoxy component selected from the group consisting of a liquid epoxy resin, a divinylarene dioxide, and combinations thereof; (b) a core-shell rubber comprising a rubber particle core and a shell layer, and (c) a hardener, is disclosed.

Abstract: A continuous process comprising a) separating an epoxy novolac resin comprising oligomers having an average functionality of greater than 2.

Abstract: A curable divinylarene dioxide resin composition including (a) at least one divinylarene dioxide, (b) at least one cationic photoinitiator, and (c) optionally, at least one pigment material; a process for making the curable divinylarene dioxide resin composition; and a cured divinylarene dioxide resin composition made therefrom. The cured product made from the above curable divinylarene dioxide resin composition offers improved properties and are useful for various applications including ink formulations.

Abstract: Embodiments of the present disclosure are directed to heterogeneous advanced epoxy resins formed by reacting a mononuclear aromatic diglycidyl ether and a diphenol, more specifically, embodiments of the present disclosure are directed to heterogeneous advanced epoxy resins formed by reacting the mononuclear aromatic diglycidyl ether and the diphenol in a molar ratio of the mononuclear aromatic diglycidyl ether to the diphenol in a range from 1.5 to 1.0 to 5.0 to 1.0.

Abstract: The invention relates to a process comprising: (a) preparing a curable epoxy-anhydride thermoset composition; and (b) applying said curable epoxy-anhydride thermoset composition in a cured-in-place pipe rehabilitation process is disclosed. The cured-in-place pipe application utilized can generally be the ‘Inversion Installation Method,’ or the ‘Pull-in Installation Method’. The invention also relates to a cured-in-place pipe that is prepared by this process.

Abstract: A continuous process comprising: a) separating a starting epoxy novolac resin comprising oligomers having an average functionality of greater than 2.5 and a hydrolyzable chlorine content of less than 450 ppm with a first continuous evaporator apparatus under a vaporization temperature in the range of from 150° C. to 250° C. and an absolute pressure of from 0.05 to 1 mmHg absolute to form a first vapor fraction comprising epoxy novolac resin having more than 95 weight percent of 2-functional components and wherein the mass of the first vapor fraction is in the range of from 5 to 20 weight percent of the starting epoxy novolac resin; and a first bottom fraction comprising epoxy novolac resin having a lower weight percent of 2-functional components in comparison with the weight percent of 2-functional components of the starting epoxy novolac resin; b) recovering the first bottom fraction; and c) condensing from 95 weight percent to 99.

Abstract: A hardener composition comprising a) an accelerator comprising a first amine at least partially neutralized by salicylic acid and a first modifier; b) a non-isolated adduct of i) a difunctional epoxy; and ii) a second amine; and c) a second modifier, and a process for making the hardener composition, are disclosed. The hardener can be used with an epoxy resin to form a curable composition.

Abstract: A process for preparing a conductive carbonized layered article including the steps of: (I) providing a liquid carbon precursor formulation comprising (a) at least one aromatic epoxy resin; and (b)(i) at least one aromatic co-reactive curing agent, (b) (ii) at least one catalytic curing agent, or (b)(iii) a mixture thereof; wherein the liquid precursor composition has a neat viscosity of less than 10,000 mPa-s at 25° C.

Abstract: Processes and apparatus for purifying brine are provided including (1) providing an aqueous brine solution comprising one or more inorganic salts and one or more organic compounds and (2) conducting at least one unit operation for removing organic compounds from the brine solution to obtain a purified brine solution.

Abstract: A waterborne dispersion containing a high molecular weight cycloaliphatic epoxy resin based on a diglycidyl ether of a cycloaliphatic diol polymerized with, for example, a diphenolic or diacid compound.