Abstract: A process for preparing a hydrogel includes a) preparing a composition comprising a1) at least one macromer comprising as functional groups at least two thiol groups, and a2) at least one macromer comprising as functional groups at least two aromatic or heteroaromatic groups each substituted by at least one sulfonyl group, wherein at least one component a1) or a2) has at least three of the functional groups; and b) reacting the two macromers a1) and a2) via the functional groups to form a hydrogel.

Abstract: The present invention relates to an epoxy composition comprising a) a cycloaliphatic epoxy resin; b) a curing agent; and c) a bio-based epoxy compound having a structure I: The composition according to the present invention can be used as a structural adhesive, a coating and a primer.

Abstract: Provided is a halogen-free, glass-fiber-containing, flame-retardant polycarbonate resin composition with excellent flame resistance and excellent rigidity, and a molded object thereof, using as little fluorine-containing resin as possible. Provided is a glass-fiber-containing flame-retardant polycarbonate resin composition containing (A) a polycarbonate resin, (B) glass fibers, and (C) a phosphate flame retardant. The composition contains from 40 to 80 parts by mass of the (A) component, from 5 to 50 parts by mass of the (B) component, and from 5 to 30 parts by mass of the (C) component, with respect to 100 parts by mass of the total of the (A) to (C) components.

Abstract: Disclosed are a polypropylene resin composition and a molded article including the same. The polypropylene resin composition may include a polypropylene resin, glass fiber, a non-halogen flame retardant, a compatibilizer, and sodium salt ionomer such that the resin composition may provide substantially improved mechanical properties such as tensile strength, impact strength, and flexural modulus, and excellent flame retardancy and flame retardant stability over time.

Abstract: Provided is a resin molded product having excellent scratch resistance. The resin molded product of the present invention is a resin molded product including a methacrylic-based resin composition, in which the methacrylic-based resin composition contains a (meth)acrylic-based polymer (A) and a fatty acid compound (B), and an absorbance ratio P1/P2 of a peak absorbance P1 in a wave number range of 1630 to 1650 cm?1 to a peak absorbance P2 in a wave number range of 1710 to 1730 cm?1 on a surface of the resin molded product, measured by a single reflection ATR surface reflection method with an infrared spectrophotometer, is 0.0040 or more.

Abstract: Resins for use in toys and methods for making the same are provided. In preferred embodiments, the resins comprise 30% to 55% w/w of Ethoxylated (10) Bisphenol A Diacrylate; 20% to 35% w/w of 1,3-Hexanediol, 2-ethyl-, polymer with 1,6-diisocyanatohexane, 2-hydroxyethyl acrylate- and propylene glycol monoacrylate-blocked; 20% to 30% w/w of Hexanedioic acid, polymer with 1,2-ethanediol and 5-isocyanato-1-(isocyanatometheyl)-1,3,3-trimethylcyclohexane, 2-hydroxyethyl acrylate-blocked; 1.9%±0.5% w/w of 1-Hydroxycyclohexyl phenyl ketone; 0.43%±0.05% w/w of Ethyl trimethylbenzoyl phenylphosphinate; 0.07±0.05% w/w of Diphenyl (2, 4, 6-trimethyl benzoyl) phosphine oxide; and less than 0.19% w/w of 2-hydroxyethyl acrylate.

Abstract: The present invention relates to: an amino silicone polymer composition comprising hydroxyl-terminated polysiloxane, amino silane, and alkyl alkoxy silane; a silicone emulsion comprising same, showing excellent conditioning effects, and having excellent environment-friendliness; and a method for manufacturing same.

Abstract: The present invention discloses a high-heat and high-shear-resistant high-flame-retardant halogen-free flame-retardant compound system and use thereof in a glass fiber reinforced material. The flame-retardant compound system comprises the following components in weight percentages: 40%-99.9% of aluminum diethylphosphinate, 0.1%-50% of a poly/mono-phosphorous acid-condensed diphosphite salt and/or a condensed diphosphite salt, 0-40% of inorganic aluminum phosphite, and 0-10% of a zinc-containing thermally stable compound, wherein the poly/mono-phosphorous acid-condensed diphosphite salt and the condensed diphosphite salt has a structural formula shown in a formula (I): wherein, x is an integer of 0-6, n, y, and p are integers of 1-4, and M is Ca, Mg, Al, Zn, Fe, Sn or Ti.

Abstract: The present invention relates to a polycarbonate composition including the following components: A) 80-97.5 parts by weight of aromatic polycarbonate; B) 0.1-0.3 part by weight of metal organic sulfonate; C) 0.3-0.7 parts by weight of anti-dripping agent; D) 0.1-4 parts by weight of hydrolysis stabilizer; and E) 2-7 parts by weight of polysilsesquioxane. The total amount of the composition is 100 parts by weight. The present invention also relates to a shaped article made from the composition. The polycarbonate composition according to the present invention has a good combination of hydrolysis resistance and flame retardance.

Abstract: A process for preparing a polyethylene composition made from or containing bimodal or multimodal polyethylene in an extruder device including the steps of (i) mixing a bimodal or multimodal polyethylene having a density from 0.940 g/cm3 to 0.968 g/cm3, in the form of a polyethylene powder, with an additive, in a mixing device at a temperature from 10° C. to 100° C. without melting the polyethylene powder; (ii) melting and homogenizing the mixture within the extruder device, thereby forming a molten polyethylene composition; and (iii) pelletizing the molten polyethylene composition, and further (iv) adding a liquid made from or containing an organic peroxide, in an amount from 20 ppm to 200 ppm of organic peroxide with respect to the polyethylene powder, to the polyethylene powder at a position where mixing occurs and the polyethylene powder has a temperature of from 10° C. to 100° C.

Abstract: A polyester carbonate resin is provided, which includes a structural unit derived from a compound represented by general formula (1), a structural unit derived from a compound represented by general formula (2), a structural unit derived from a dicarboxylic acid or a derivative thereof, and a structural unit derived from a carbonic acid diester. The polyester carbonate can be used, e.g., in optical systems.

Abstract: A microfibrous shotcrete mixture which is used in mining applications, in highway, railway, subway tunnels, as excavation support element slope applications. The microfibrous shotcrete mixture provides a decreased amount of rebound. The objective of the present invention is to increase cohesion significantly and reduce the rebound amount in shotcrete up to four times by establishing a bridge between concrete particles by means of the special structure of the developed microfiber.

Abstract: Described are an ethylene-vinyl alcohol (EVOH) copolymer composition, and a preparation method therefor. The composition contains an EVOH copolymer, element potassium, and element sodium, wherein the mass ratio of element sodium to element potassium is 0.1:1 to 1:1. By controlling the contents of element sodium and element potassium in an EVOH resin composition to fall within a specific proportion range, the heat resistance of the resulting EVOH resin composition is greatly improved, the initial decomposition temperature can be increased to 370-400° C., the maximum decomposition temperature can be increased to 400-440° C., and thus EVOH resin can adapt to the process requirement for a higher processing temperature. Moreover, further adding acyl-containing carboxylic acid and a phosphorus-containing compound/boron-containing compound can improve the thermal yellowing resistance of the EVOH resin composition, where the value of the yellowing index (YI) after 5-hour thermal treatment at 150° C.

Abstract: To provide a resin composition that excels both in transparency and mechanical strength, as well as a formed article, and a formed article with hard coat layer. The resin composition contains 5 to 100 parts by mass of a glass filler, per 100 parts by mass of a resin component, the resin component containing 40 to 85 parts by mass of a polycarbonate resin that contains a structural unit represented by Formula (1), and 15 to 60 parts by mass of a thermoplastic resin other than the polycarbonate resin, the resin component and the glass filler demonstrating an absolute difference in refractive index of 0.0042 or smaller, and the resin component demonstrating a coefficient of dynamic friction, measured in compliance with ISO 19252, of 0.40 or smaller: In Formula (1), R1 represents a methyl group.

Abstract: Examples of new polymer-modified cement formulations with self-healing capability at ambient temperature are described. These polymer-modified cements can be readily mixed with typical fine and coarse aggregates to build new concrete structures. One example of such a formulation includes a concrete comprising a MBA-BDA polymer having bond forming chemical functionality configured to form a bonding matrix between the polymer and at least one component of the concrete at a temperature less than 50 degrees C. wherein the matrix obtains at least 70% recovery of compressive strength after a damage event.

Abstract: The ink-jet ink of the present invention comprises a solvent S having an SP value of 9.1-9.4, resin emulsion particles and water. It is preferable that the resin emulsion particles contain a (meth)acrylic polymer. It is also preferable that the resin emulsion particles contain a structural unit derived from styrene. It is also preferable that the solvent S is tripropylene glycol monomethyl ether and/or monoethylene glycol monoisopropyl ether.

Abstract: Provided is a resin molded product having excellent scratch resistance. The resin molded product of the present invention is a resin molded product including a methacrylic-based resin composition, in which the methacrylic-based resin composition contains a (meth)acrylic-based polymer (A) and a fatty acid compound (B), and an absorbance ratio P1/P2 of a peak absorbance P1 in a wave number range of 1630 to 1650 cm?1 to a peak absorbance P2 in a wave number range of 1710 to 1730 cm?1 on a surface of the resin molded product, measured by a single reflection ATR surface reflection method with an infrared spectrophotometer, is 0.0040 or more.

Abstract: A process for preparing a polypropylene composition including oligomers having a semi-volatile organic condensable (FOG, VDA 278 October 2011), content of 50 ug/g to about 400 yg/g of the total polypropylene composition, and volatile organic compounds (VOC, VDA 278 October 2011) in an amount of less than 80 ug/g of the total polypropylene composition, wherein the weight ratio of the oligomers versus the volatiles is more than about 5.0, wherein the polypropylene composition has an MFRz2 (ISO 1133, 230° C., 2.16 kg) of 10 g/10 min or higher, wherein the polypropylene composition has a flexural modulus (ISO 178 on injection moulded specimens of 80×10×4 mm prepared in accordance with ISO 294-1:1996) of from 1000 to 2000 MPa, and wherein the total quantity of slip agent is at least 500 ppm.

Abstract: The invention concerns dry particulate compositions for forming a geopolymer, comprising an aluminosilicate containing mineral, a polymeric additive, an alkali metal silicate, and an alkali metal hydroxide. The invention concerns processes of making geopolymers, the geopolymers, as well as the use of the dry particulate compositions in the formation of geopolymers.

Abstract: A surface-treated inorganic nanoparticle includes a core including titania (TiO2); a shell surrounding the core, and including zirconia (ZrO2); and a dispersant including a phosphate functional group, and connected to the shell.