Abstract: Provided are nanocellulose composite and preparation method thereof. The method comprises preparing cellulose nanofiber, mixing the cellulose nanofiber with a silica precursor in a solvent to attach silica particles to the surface of the cellulose nanofiber, or to form a silica coating layer on the surface of the cellulose nanofiber, and mixing the cellulose nanofiber with the silica particles or the silica coating layer with a polymer. According to the present invention, by using surface vitrification-treated nano cellulose, nanocellulose polymer composites that exhibits high mechanical properties such as impact resistance as well as excellent heat resistance can be prepared.

Abstract: A resin composition includes: a cellulose acetate propionate and cellulose fibers in which a part or all of primary hydroxyl groups of glucose moieties are oxidized into a carboxylic acid, the cellulose fibers having an average fiber diameter of 1 to 8 nm.

Abstract: The present disclosure provides an insulation layer composition and an insulation layer for a plant tissue culture. The insulation layer composition includes polyvinyl acetate emulsion resin, water, a gel forming agent and a hyaluronic acid diluent, in which the gel forming agent is a mixture of glycerin and polyglycerol acrylate. The insulation layer for the plant tissue culture includes the insulation layer composition.

Abstract: The present invention provides a 4D printed component that uses the photoisomerization stimulus as a method of activation. Other 4D printing methods use heat, moisture, a combination of heat and stress, and the heat from a light source as methods of activation. The present invention takes advantage of 3D printing capability and adds the capability of providing a printable material that dynamically changes shape over time when exposed to an external stimulus. The invention reduces the number of required 3D printed parts to create a moving object. This characteristic reduces the amount of onboard weight of the 3D printed components by reducing the number of parts required to create motion. The present invention removes the need for onboard sensors, processors, motors, power storage, etc. This characteristic will allow for manufacturing of, inter alia, novel medical devices, automated actuators, packaging, smart textiles, etc.

Abstract: The present invention provides a dry powder that is suitable for use in forming a hydrogel and characterized by a stable composition at ambient conditions. The dry powder includes a prepolymer including a straight chain polyethylene glycol, and a thermally activated free radical initiator selected from the group consisting of sodium persulfate, potassium persulfate, and ammonium persulfate. The present invention also provides a method of forming the dry powder, and a method of preparing a hydrogel where a reaction mixture is formed including the dry powder and a buffered aqueous solution.

Abstract: Disclosed herein is a rubber composition containing 100 parts by mass of a solid rubber (A), 0.1 to 50 parts by mass of a modified liquid diene rubber (B) having a functional group derived from a silane compound represented by the formula (1), and 20 to 200 parts by mass of a filler (C), the modified liquid diene rubber (B) satisfying (i) to (iii): (i) a weight average molecular weight (Mw) is not less than 1,000 and less than 15,000; (ii) a vinyl content is not more than 70 mol %; and (iii) an average number of functional groups per molecule of the modified liquid diene rubber (B) is 1 to 20.

Abstract: The present invention is directed to packaging films having accelerated migration rates of an antimicrobial agent through a product-contact layer which extends the shelf-life of products packaged therein. The product-contact layer includes an ethylene vinyl acetate (EVA) copolymer having a melt flow index of greater than 6 dg/min at 190 C/2.18 kg, an antimicrobial agent and a wetting agent. In some preferred embodiments, greater than 30% of the initial amount of antimicrobial agent present in the product-contact layer can be released after 21 days upon contact with water. The packaging films can be converted into bags, pillow pouches, stand-up pouches, quad pouches, zipped pouches, over-wraps, lidding films, thermoformed trays, vacuum packages, vacuum skin packaging and the like. These films can be used for any product in which it would advantageous to reduce harmful microbial contaminants.

Abstract: The present disclosure relates to methods and compositions to stabilize a nanogel and use of such nanogel as additives in dental compositions.

Abstract: Aqueous intumescent coating compositions which include a non-ionic surfactant having a hydrophilic-lipophilic balance (HLB) of 9 to 20, and substrates coated with the coating composition are disclosed. Inclusion of the non-ionic surfactant in the coating compositions is found to reduce char cracking and improve the mechanical strength, cell size, and cell density for intumescent chars formed when coatings deposited from the coating compositions are exposed to open flame and/or elevated temperatures, as compared to the same coatings lacking the non-ionic surfactants.

Abstract: An ostomy bag insert (104) comprising a polyacrylate superabsorbent (300) and a powdered zeolite (301). The ostomy bag insert is configured to absorb fluids excreted by the body and to control odours resultant from the excreted matter within the ostomy bag (100). The present zeolite exhibits enhanced odour control.

Abstract: The application is directed to polymer coatings which can be modified to control biointerfacial interactions including biofilm formation and protein adsorption onto said coatings. The polymer coatings comprise a First Component comprising epoxide or alkenyl groups, and a Second Component comprising at least one amine group. The polymer coatings further comprise at least one bioactive agent which may control said biofilm formation and/or protein adsorption. Also disclosed herein are methods for producing said coatings incorporating bioactive molecules in one or two step procedures on a substrate. The polymer coating may be immobilised on the substrate via the reaction of functional groups present on the First Component and/or Second Component with complimentary functional groups disposed on at least one surface of the substrate.

Abstract: To provide a film excellent in breakage resistance and uniform stretchability, and a method for its production. The film is a single-layer film characterized in that it is made of a blend resin of two kinds of resins both belonging to any one of ETFE, PFA, FEP, ECTFE and PMP, wherein the melt flow rate of the film is at least 6 g/10 min. and less than 20 g/10 min., and ? of the film as measured by a prescribed measurement method is at least 0.99.

Abstract: The present invention is to provide an antifouling coating composition capable of forming an antifouling coating film that exhibits a high antifouling performance even in a marine area having a heavy fouling load by animal species such as barnacles, has excellent slime resistance, and is prevented from cracking. Further, the present invention is also to provide an antifouling coating film, a substrate with an antifouling coating film and a method of producing the substrate, and an antifouling method, each using the composition. The antifouling coating composition of the present invention contains a polyorganosiloxane block-containing hydrolyzable copolymer (A) and medetomidine (B), wherein the polyorganosiloxane block-containing hydrolyzable copolymer (A) contains (i) a constituent unit derived from a hydrolyzable group-containing monomer (a1) and (ii) a constituent unit derived from a polyorganosiloxane block-containing monomer (a2).

Abstract: An inkjet ink composition comprising a polyurethane-based binder dispersion is described. The polyurethane-based binder dispersion comprises: a polyurethane, which comprises: (A) a polyisocyanate; (B) a first polyol having a chain with two hydroxyl functional groups at one end of the chain and no hydroxyl groups at an opposed end of the chain; (C) a second polyol having a chain with two hydroxyl functional groups at both ends of the chain; (D) a carboxylic acid functional group with two hydroxyl functional groups; and (E) a compound shown in formula (1): m(M+)n(X)—R—Y— (1), wherein m is 0 or 1, M is a metal, n is 2 to 10, X is an amino group, R is a C1 to C18 alkyl group, a C6 to C30 aromatic compound or a C4 to C20 aliphatic cyclic compound, and Y is SO3- or SO3H, with the proviso that when m is 0, Y is SO3H and when m is 1, Y is SO3-.

Abstract: This disclosure relates to heat transfer fluids for use in heat transfer systems. The heat transfer fluids comprise at least one non-aqueous dielectric heat transfer fluid. The non-aqueous dielectric heat transfer fluid has density (?), specific heat (cp), and dynamic viscosity (?) properties.

Abstract: A matrix resin composition for fiber reinforced composite materials is described. The resin is thermosetting and achieves a glass transition temperature of at least 177° C. (Tg), obtained by curing at room temperature. The matrix resin will streamline composite fabrication processes by eliminating the need for heating during the cure process. The implications of this development are significant in terms of the ease of use and elimination of procedural steps. While the resin system was developed specifically for vacuum bagging, it is expected to be viable for other composite fabrication methods including resin transfer molding (RTM) and vacuum-assisted resin transfer molding (VARTM). The resin system is viable for use with carbon fiber reinforcements to fabricate laminates at least 0.20 inches thick. The resulting laminates have low porosity and mechanical properties equivalent to those prepared with common epoxy matrix resins.

Abstract: A binder comprising the products of a carbohydrate reactant and polyamine is disclosed. The binder is useful for consolidating loosely assembled matter, such as fibers. Uncured fibrous products comprising fibers in contact with a carbohydrate reactant and a polyamine are also disclosed. The binder composition may be cured to yield a fibrous product comprising fibers bound by a cross-linked polymer. Further disclosed are methods for binding fibers with the carbohydrate reactant and polyamine based binder.

Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.

Abstract: The present invention provides a surface-treated silica filler for suppressing an increase in viscosity when added to a resin composition used for applications such as a semiconductor sealing material, and the resin composition containing the surface-treated silica filler. The surface-treated silica filler of the present invention is surface-treated with a basic substance having an acid dissociation constant (pKa) of its conjugate acid of 9.4 or more.

Abstract: A photochromic polyrotaxane compound which comprises an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, wherein at least one side chain containing a photochromic moiety is bonded to at least one of the cyclic molecules, and a curable composition comprising the photochromic polyrotaxane compound and a polymerizable compound.