Abstract: Disclosed herein are adhesive compositions containing a cottonseed protein and a catechol compound containing a carboxyl group, and optionally a carrier. Also disclosed are processes for producing an adhesive composition involving mixing a cottonseed protein and a catechol compound containing a carboxyl group, and optionally a carrier.

Abstract: A protein template is added to a solution in which metal ions of iron and copper are dissolved to introduce the metal ions into the protein template; the protein template is separated from metal ions that have not been incorporated in the protein template; the metal ions that have been incorporated in the protein template are reduced to obtain a protein containing alloy nanoparticles of iron and copper; a sol or gel in which a co-continuous body is dispersed is frozen; the frozen sol or gel is dried in a vacuum to obtain a porous body; the porous body is allowed to support the alloy nanoparticle containing protein; and the protein is removed.

Abstract: Provided herein is a method for preparing microcarrier particles, comprising the steps of allowing the dispersed phase liquid flow through a multi-hole plate at a low temperature to form liquid microspheres in a continuous phase, and enabling a synthetic polymer and/or natural biological macromolecules within the liquid microspheres to be subject to a curing reaction at a low temperature to form particles. Further provided herein are the method for preparing an emulsion and an apparatus and process system for preparing microcarrier particles, which can be used for preparing emulsions and microcarrier particles on a large scale.

Abstract: A circuit board water-proofing coating composition is provided comprising: at least one passivating agent, preferably containing a molecule comprising a thio-functional group, desirably a thiol group, an azolic moiety, or an azole, and combinations thereof; at least one binder component comprising an organic or inorganic film-forming polymer, and/or one or more polymer pre-cursors polymerizable on a substrate surface; and optionally one or more additive(s); also provided are methods of making and using the coating composition and coated circuit boards.

Abstract: A composition is provided that restores and protects substrates to which it is applied including trim and tires on vehicles. The composition forms a high adhesion high cohesion film that protects the underlying substrate from the adverse effects of ultra violet (UV) rays, heat, rain, snow, and other environmental contaminants. A process of applying the same is also provided.

Abstract: Water-borne sealer compositions, multilayer coated substrates, and methods for building up a multilayer coating on a substrate are provided. In one example, a water-borne sealer composition includes an acrylic latex resin, a polyurethane dispersion (PUD), and water. The acrylic latex resin is free of a core-shell latex. The PUD includes a hydroxyl functional reaction product of polyisocyanate and a polyol including a polycarbonate diol.

Abstract: The disclosure relates to compositions and superstructures comprising peptide amphiphiles. In some aspects, the disclosure relates to compositions and superstructures comprising host and guest peptide amphiphiles, wherein the host and guest moieties of the peptide amphiphiles interact via non-covalent interactions to form a supramolecular assembly, such a superstructure. In some aspects, the superstructure further comprises a bioactive moiety. Suitable bioactive moieties may be selected to promote cell growth, migration, and/or differentiation.

Abstract: A method for validating a homogenizing valve (1), comprising the steps of:—preparing an emulsion having a hydrophilic phase comprising, in weight percentage on the total weight: from 55% to 74% demineralized water, from 10% to 20% glycerin and from 3% to 4,2% butylene glycol, and a lipophilic phase comprising, in weight percentage on the total weight: from 5.1% to 5.9% squalane, from 7.2% to 8.8% caprylic acid alkyl ester and from 0.665% to 0.735% cetyl alcohol;—subjecting the emulsion to forced passage within the homogenizing valve (1) from a high pressure zone (HP) to a low pressure zone (LP) a plurality of times.

Abstract: Provided is a heat-curable resin composition capable of being turned into a cured product having a low relative permittivity, a low dielectric tangent, an excellent adhesiveness and a high resistance. The heat-curable resin composition contains: (A) a citraconimide compound; (B) an epoxy resin; (C) an epoxy resin curing agent; and (D) a curing accelerator.

Abstract: A circuit board water-proofing coating composition is provided comprising: at least one passivating agent, preferably containing a molecule comprising a thio-functional group, desirably a thiol group, an azolic moiety, or an azole, and combinations thereof; at least one binder component comprising an organic or inorganic film-forming polymer, and/or one or more polymer pre-cursors polymerizable on a substrate surface; and optionally one or more additive(s); also provided are methods of making and using the coating composition and coated circuit boards.

Abstract: Undesirable materials that are frequently discarded from recycling desirable polymer-containing materials may be processed and used in the production of soft surfaces to produce soft surfaces with improved properties.

Abstract: A method for preparing a hydrogel includes forming a pre-gel comprising polymer and metal salt particles, unidirectionally-shrinking and dehydrating the pre-gel, and impregnating the unidirectionally shrunk and dehydrated pre-gel with an ion solution to crosslink and rehydrate the unidirectionally shrunk and dehydrated pre-gel to produce the hydrogel.

Abstract: The present invention provides a tin-free, room temperature curable silicone elastomer composition, wherein the uncured composition is a putty. The silicone elastomer composition comprises a) an end-capped base polymer, wherein the base polymer comprises a polysiloxane or mixture of polysiloxanes, and wherein the end-capped base polymer comprises terminal di-(C1-4)alkoxy silyl groups; b) at least one amorphous filler; c) 15.1 to 60 parts by weight of at least one spherical filler for each 100 parts by weight of base polymer; and d) a curing catalyst consisting of one or more selected from the group consisting of organic titanates and organic zirconates. The terminal dialkoxy silyl groups of the base polymer can be dimethoxy silyl groups. The at least one amorphous filler can be selected from the group consisting of fumed silica, fumed alumina, carbon black, precipitated silica, precipitated calcium carbonate, surface-treated calcium carbonate and mixtures thereof.

Abstract: A curable composition contains: (A) a polydiorganosiloxane component including: (A1) greater than 3.1 wt % to 20 wt % of an aliphatically unsaturated polydiorganosiloxane polymer and (A3) a hydroxyl-terminated polydiorganosiloxane gum of unit formula (A-III); (B) a polyorganosilicate resin component including (B1) a capped resin, (B2) >18.53 wt % to 54.3 wt % of an uncapped resin; where the weight ratio of the uncapped resin (B2) to the capped resin (B1) is greater than 0.51 to 58.82; where component (A) and component (B) are present in amounts to provide a weight ratio of (B):(A) of 1.2:1 to less than 1.62:1; (C) a polyorganohydrogensiloxane that is present in an amount to provide a molar ratio of silicon bonded hydrogen atoms to alkenyl groups for the curable composition of 5 to 50; (D) a hydrosilylation reaction catalyst in an amount sufficient to provide 1 to 1000 ppm of platinum group metal; and (E) a condensation reaction catalyst; where the content of alkenyl groups in the curable composition is 0.

Abstract: The present disclosure is directed to methods of forming polyamic acid and polyimide gels in water. The resulting polyamic acid and polyimide gels may be converted to aerogels, which may further be converted to carbon aerogels. Such carbon aerogels have the same physical properties as carbon aerogels prepared from polyimide aerogels obtained according to conventional methods, i.e., organic solvent-based. The disclosed methods are advantageous in reducing or avoiding costs associated with use and disposal of potentially toxic solvents and byproducts. Gel materials prepared according to the disclosed methods are suitable for use in environments involving electrochemical reactions, for example as an electrode material within a lithium-ion battery.

Abstract: A method of improving the adhesion of metathesis compositions, such as ring-opening metathesis polymerization (ROMP) compositions, to a substrate is disclosed, in which an adhesion promoter is added to a polymerizable resin composition in order to improve the adhesion of the polymerizing resin to a substrate material. The addition of the adhesion promoter has been found to provide beneficial improvements in the adhesion of metathesis, especially ROMP, compositions to substrates, particularly glass surfaces, leading to improved characteristics in ROMP materials formed therefrom. The adhesion promoter generally comprises a functionalized silane compound and a peroxide compound. A ROMP composition is further disclosed comprising a cyclic olefin, a ROMP metathesis catalyst, and the adhesion promoter. Polymer products produced via metathesis (ROMP) reactions of the invention may be utilized to provide a wide range of materials and in a variety of composite applications.

Abstract: A coating composition comprises a base coat component and a top coat component. The base coat component comprises at least one resin selected from the group consisting of a styrene, a styrene-ethylene/butylene-styrene block polymer and a mixture thereof, and at least one solvent for the resin. The top coat component comprises a Methyl-methacrylate-Acrylate-Methyl-methacrylate block polymer and a solvent for the Methyl-methacrylate-Acrylate-Methyl-methacrylate block polymer. A method of temporarily coating a substrate comprises applying the base coat component to a substrate, allowing the base coat component to dry and applying the top coat component and allowing the top coat to dry. The resulting coating can be removed from the substrate by peeling, even after extended exposure to ultraviolet light.

Abstract: [Problem] Provided is a two-component type curable resin composition that allows a mixture of an A agent and a B agent to have excellent dispersibility and printability, causes no visible-copper phenomenon, and provides an excellent packing form (receivability) for transportation. [Solution] A two-component type curable resin composition according to the present invention is characterized by including: an A agent containing a carboxyl group-containing resin; and a B agent containing a thermosetting ingredient, wherein the A agent has a viscosity value in the range of 50 dPa·s or more and 200 dPa·s or less at 25° C. at 5 rpm, wherein the B agent has a viscosity value in the range of 100 dPa·s or more and 300 dPa·s or less at 25° C.

Abstract: A method of manufacturing copolymer includes mixing and reacting a polyester, an aliphatic polyol or an aliphatic polyol oligomer, and a first catalyst in a first region of a screw to form a polyester polyol, and side-feeding a lactone or a lactam to a second region of the screw to copolymerize the lactone or a lactam and the polyester polyol to form a copolymer, wherein the first region and the second region are continuous connecting regions.

Abstract: A method of monitoring a location of a nanoparticle within a material is described herein. The method includes the steps of providing at least one nanoclay particle, attaching a fluorescent tag to the at least one nanoclay particle, and determining a fluorescence of the fluorescent-labeled nanoclay particle. The method also includes forming the material including the at least one fluorescent-labeled nanoclay particle, depositing the material in an aqueous solution, and detecting a movement of the fluorescent-labeled nanoclay particle from the material to the aqueous solution.