Abstract: The present invention is a polyamide resin (A) that contains from 95 to 99.95% by mass of a polyamide (a-1) having a number-average molecular weight of 2000 or more and from 0.05 to 5% by mass of a polyamide oligomer (a-2) having a number-average molecular weight of from 500 to less than 2000, in which at least 25 mol % of all the monomer units constituting the polyamide (a-1) and the polyamide oligomer (a-2) are structural units derived from a specific alicyclic monomer, and the content ratio of the trans isomer structural units derived from the alicyclic monomer is from 50 to 85 mol %. The polyamide resin (A) is excellent in heat resistance, low water absorption, high-temperature rigidity, chemical resistance and flowability, and exhibits the effects of securing sufficient crystallization even when molded in a mold at 80° C. and causing minimal mold deposit during production.

Abstract: New diamine monomers bearing sulfone terminated pendant groups, as well as methods for making the same, are provided. The diamine monomers are useful toward making polyamide, polyimide, and poly(amide-imide) polymers and copolymers, which possess hygromorphic properties and demonstrate humidity driven motility.

Abstract: Disclosed are aqueous coating compositions containing an anionically stabilized polymer, one or more polyfunctional amines acting as crosslinking agents, and a volatile base. Coating compositions can further include one or more additional copolymers, which may or may not be anionically stabilized, and/or additional additives, including pigments, defoamers, pigment dispersing agents, thickeners, surfactants, and combinations thereof. By incorporating one or more polyfunctional amines, such as those comprising recurring units derived from the reaction of one tri-glycidyl moiety and a single di-, or tri-functional amino monomer, or a combination of mono/bi, mono/tri, mono/tetra, bi/bi, bi/tri, bi/tetra, tri/tri, tri/tetra, and tetra/tetra functional amino monomers with a bi- or tri-glycidyl moiety, water wash-off resistance of the coating compositions which comprise paint formulations, can be increased.

Abstract: Powder compositions and articles and methods of forming articles from powder compositions are provided. The powder compositions include at least one powder that preferably includes an amount of one or more branched polymers such as, for example, one or more branched polyamide polymers. The powder composition is preferably capable of being formed, via a layer-by-layer sintering process such as, for example, selective laser sintering, into a three-dimensional article.

Abstract: Disclosed is a net-shaped polyimide sponge. The polyimide sponge has a stack structure of nets. Also disclosed is a method for producing a polyimide sponge. The method enables the production of a polyimide sponge in a continuous process, which offers advantages for large-scale production compared to conventional methods using batch systems.

Abstract: A polymer comprises randomly distributed units UA, UB, UC and UD and at least one unit bearing a subunit F according to the respective molar percentages m, n, o, p and f F pendant along the chain of the polymer and bearing an associative group comprising at least one nitrogen atom, R1 and R2, which are identical or different, denoting a hydrogen atom, a methyl radical or a phenyl radical which is unsubstituted or substituted in the ortho, meta or para position by a methyl radical, m?50, n?0, o?0, f>0, 0<0+p?25, m, n, o, p and f ranging from 0 to 100, the respective molar percentages of m, n, o, p and f calculated based on the sum of m+n+o+p+f, which is equal to 100.

Abstract: The present invention relates to a polyamide resin comprising a unit derived from ?-caprolactam and/or ?-aminocaproic acid (to also be referred to as “Unit 1”), a unit derived from adipic acid (to also be referred to as “Unit 2”) and a unit derived from hexamethylenediamine (to also be referred to as “Unit 3”), wherein the concentration of terminal amino groups in the polyamide resin is greater than the concentration of terminal carboxyl groups in the polyamide resin, and the amount of Unit 1 is greater than 60% by weight to less than 80% by weight of the total amount of Unit 1, Unit 2 and Unit 3.

Abstract: A joined body 20 according to the present invention includes a first member 22 made of a porous ceramic, a second member 24 made of a metal, and a joint 30 formed of an oxide ceramic of a transition metal, the joint 30 joining the first member 22 to the second member 24. Alternatively, a joined body may include a first member made of a dense material, a second member made of a dense material, and a joint formed of an oxide ceramic of a transition metal, the joint joining the first member to the second member.

Abstract: A process for PAI-based coating compositions. An embodiment of a method includes manufacturing a coating composition, the manufacturing of the coating composition including mixing a first solvent, the first being solvent being N-formyl morpholine (NFM), with a second solvent to form a first solution; dissolving polyamideimide or polyamide amic acid resin polymer (PAI) in the first solution; precipitating a PAI compound from to mixture of MEK and the first solution; and dissolving the PAI compound in a second solution to generate a coating solution.

Abstract: An organic light emitting diode device including an electron transport layer containing a compound represented by Chemical Formula 1, and an emission layer containing a compound represented by Chemical Formula 2.

Abstract: Described herein is a polyether polyamide block copolymer as well compositions and products containing the polyether polyamide block copolymer. Methods of making and using the copolymer, the compositions, and products are also described herein.

Abstract: The latex polymer compositions of the present invention exhibit latent crosslinking properties. Latent crosslinking in the polymers takes advantage of the fast interaction between the anionic latex charge and the cationic charge associated with polyfunctional amine crosslinkers. Once the latex is coated onto a substrate, the volatile base evaporates and the groups react to form a crosslinked coating with improved wash-off properties.

Abstract: A polyetherimide composition is disclosed including a polyetherimide sulfone having a glass transition temperature of 240 to 320 C, preferably 245 to 312 C, and a particulate, thermally conductive filler composition. A layer of the polyetherimide composition resists deformation as determined by IPC method TM-650 when subjected to a lead-free solder reflow process at a temperature of greater than or equal to 260 C, preferably 260 to 350 C. A layer including the polyetherimide composition further has a thermal conductivity of 2.5 to 15 W/mK, preferably 3 to 12 W/mK, as determined in accordance with ISO 22007-2:2008.

Abstract: Provided are a polyamic acid resin, a polyamideimide film, and a method for preparing the same. More specifically, provided are a polyamic acid resin derived from a combination of specific components, and a polyamideimide film capable of implementing high modulus and excellent optical properties.

Abstract: Provided are a polyamic acid resin, a polyamideimide film, and a method for preparing the same. More specifically, provided are a polyamic acid resin derived from a combination of specific components, a polyamideimide film capable of implementing high modulus and excellent optical properties while implementing excellent mechanical properties, heat properties, and electrical properties, and a method for preparing the same.

Abstract: The present disclosure provides a low density polyethylene (LDPE) having (A) a density from 0.910 to 0.924 g/cm3, determined according to ISO 1183 at 23° C.; (B) an elongational hardening of at least 4.2, at 150° C. at an elongational rate of 1 s?1; (C) a ratio Mw/Mn of at least 18, where (i) Mw is the weight average molar mass, measured by a MALLS detector coupled to a GPC, and (ii) Mn is the number average molar mass, measured by GPC (Gel Permeation Chromatography); and (D) a Mw of at least 230,000 g/mol. The present disclosure also provides an article of manufacture made from or containing (A) a substrate and (B) a coating layer made from or containing the disclosed LDPE. The present disclosure further provides a polymerization process occurring (A) in the presence of oxygen as the only radical initiating agent and (B) in the absence of solvents.

Abstract: A multilayer ethylene-based shrink films comprising a core layer comprising a polyethylene resin, and two skin layers, wherein the core layer is positioned between the two skin layers, wherein the polyethylene resin comprises greater than 50 mol. % of the units derived from ethylene and less than 30 mol. % of the units derived from one or more alpha-olefin comonomers, has greater than 50% of the copolymer fraction eluting between 75.0° C. and 95.0° C. as determined by Crystallization Elution Fractionation (CEF), and has a density ranging from 0.915 to 0.940 g/cc, and wherein the film is biaxially-oriented.

Abstract: The object of the present invention is to provide a fundamental therapy to mitochondrial genetic diseases caused by mutation of the mitochondrial (mt)DNA, and a pharmaceutical composition used for the same. The object can be solved by a polyamide compound binding to a target double-stranded mtDNA comprising A/T pair consisting of first A of the following sense-stranded DNA and the corresponding T, A/T pair consisting of 8th A of the following sense-stranded DNA and the corresponding T, G/C pair consisting of 9th G of the following sense-stranded DNA and the corresponding C, G/C pair consisting of 14th G of the following sense-stranded DNA and the corresponding C, T/A pair consisting of 15th T of the following sense-stranded DNA and the corresponding A, or the like, in the double-stranded DNA consisting of the sense-stranded DNA having base sequence of 5?-ATGGCAGAGCCCGGTAATCGCATAA-3? (SEQ ID NO: 1) and the antisense-stranded DNA having base sequence of 5?-TTATGCGATTACCGGGCTCTGCCAT-3? (SEQ ID NO: 2).

Abstract: Provided are a block polyamide acid imide having an appropriate solubility in aqueous alkaline solutions, and block polyimides that are obtained using same and have high transparency and a low coefficient of linear thermal expansion (low CTE). The block polyimide comprises blocks configured from repeating structural units represented by defined formula (1A) and blocks configured from repeating structural units represented by defined formula (1B).

Abstract: The invention relates to a method for manufacturing a thermoplastic material, in particular a mechanical part made from said material, characterized in that it includes at least one step of injection molding a polyamide composition for a thermoplastic material or a composition of a thermoplastic material, or a step implemented by extrusion of same, said material including a thermoplastic matrix made from at least one thermoplastic polymer.