Abstract: Disclosed herein in is a radiative cooling formulation including a first component with >55% reflectance in a wavelengths range of 0.3 to 2.5 microns, a second component with a first thermal emissivity peak value greater than 0.85 at a first wavelength in a range of 8 to 13 microns (?m), and a third component to mechanically bind together a mixture of the first component and second component.

Abstract: An extrusion composition containing at least one resin selected from the group consisting of polypropylene homopolymers, polypropylene random copolymers, and polypropylene impact copolymers. The extrusion composition also contains at least one benzoic acid salt-based nucleating agent provided in the composition at a use level of between about 0.01 and 0.15 parts by weight, in relation to 100 parts by weight of the resin and at least one co-additive selected from the group consisting of poly(ethylene glycol) and copolymers containing segments of ethylene oxide, wherein the co-additive has a number average molecular weight of about 300 or more, and wherein the use level of the co-additive is about 0.005 parts by weight or more, in relation to 100 parts by weight of the resin.

Abstract: A block copolymer or a hydrogenate thereof, containing a polymer block (A) and a polymer block (B), in which the polymer block (B) has a structural unit derived from a conjugated diene compound, the structural unit including one or more kinds of alicyclic skeletons (X) represented by a formula (X) in the main chain.

Abstract: The present invention relates to an aromatic poly(amide-imide) copolymer film having high retardation in the thickness direction and exhibiting a low moisture absorption rate, and a method for preparing the same.

Abstract: Provided are a random copolymer for forming a neutral layer promoting directed self-assembly pattern formation, a laminate for forming a pattern including the same, and a method for forming a high-quality pattern using the same.

Abstract: Disclosed herein are graft polymers having a copolymer backbone and polycyclic aromatic hydrocarbon branches for use as a nanofiller dispersant and methods for making the same. Also disclosed are elastomeric nanocomposite compositions comprising a halobutyl rubber matrix, nanoparticles of graphite or grapheme, and the graft polymer. Such elastomeric nanocomposite compositions are suitable as tire innerliners or innertubes.

Abstract: The present invention discloses novel calibrants containing between 1 and 5 iodine atoms and methods of making them using linear polymers, hyperbranched polymers, and biological polymers (including but not limited to proteins and peptides.) Methods of using the calibrants are also disclosed, such as mass spectrometry. The novel calibrants disclosed herein have a more cost- and time-efficient synthesis than other calibrants.

Abstract: Disclosed is a functionalizing method for the end functionalisation of trans-1,4 stereo-regular polydiene chains obtained by the coordination catalytic polymerisation of at least one conjugated diene monomer. It also relates to a polydiene having a trans-1,4 chain formation rate of at least 85%, preferably at least 90%, and an end functionalisation rate higher than 70%, preferably higher than 80%, and more preferably higher than 90%.

Abstract: The present invention relates to a polymer composition for forming fibers for reinforcement of cement-based composites, polymer fibers made from the composition and methods of making the polymer fibers. The polymer composition comprises an olefin polymer and a bonding agent comprising vinyl alcohol based polymer, a pozzolanic material or a combination thereof.

Abstract: A method for producing block copolymers can include polymerizing a feedstock comprising a monomer and a comonomer under first polymerization conditions in the presence of a catalyst in a reactor to produce a first effluent comprising a first polyolefin block, an unreacted monomer, and an unreacted comonomer; blending the first effluent with a coordinative chain transfer polymerization agent to produce a mixture; and polymerizing the mixture in a separator under second polymerization conditions to cause the unreacted monomer and the unreacted comonomer to polymerize onto one end of the first polyolefin block as a second polyolefin block, thereby forming a block copolymer, wherein the first polyolefin block has a first comonomer content and the second polyolefin block has a second comonomer content that is different than the first comonomer content. The method can further include polymerizing in presence of a second coordinative chain transfer polymerization agent in a second separator.

Abstract: A solvent composition includes an organic solvent including one or more organic solvents (A) and one or more organic solvents (B), and one or more types of core-shell polymer particles each comprising a core layer and a shell layer. The organic sol vents (A) have a polar teen ?p of a Hansen solubility parameter of less than 11 and a hydrogen bond term ?h of less than 10, and the organic solvents (B) satisfy at least one of 11 or more of the polar term ?p or 10 or more of the hydrogen bond term ?h. A weight ratio of (A) to (B) ranges from 15:85 to 95:5. Based on a total weight of the solvent composition, a content of the core-shell polymer particles is 20 to 40% by weight and a water content is 1% by weight or less.

Abstract: The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a crystallization temperature Tc of less than 115° C., b) a melting temperature Tm of less than 155° C. c) a F30 melt strength of from 5.0 to less than 30.0 cN, and d) a V30 melting extensibility of more than 190 mm/s, a process for producing said propylene polymer composition by reactive modification of a propylene polymer in the presence of a peroxide, an article comprising said propylene polymer composition, the use of said propylene polymer composition for producing an article.

Abstract: A compound of formula (I) wherein R1 is hydrogen or an organic radical of 1 to 100 carbon atoms, R2, R3 are independently hydrogen or an organic radical of 1 to 100 carbons, Z is a single bond or a divalent organic group of 1 to 100 carbons, A is an (n+m)-valent organic group of 1 to 1 000 000 carbons, X is a single bond or a divalent organic group of 1 to 40 carbons, n is an integer from 1 to 1000, m is 0, 1, or 2, the sum of n+m being an integer from 2 to 1002. Such compounds are obtainable from specific 4-oxy-but-2-yn-1-ol derivatives, or used as intermediate(s), crosslinker(s), or monomer(s) in polymerization or oligomerization reactions, or for two-component compositions having such compound(s) and multifunctional hardener(s). Such compound(s) may be used to prepare polyunsaturated compounds, by reaction with an (oligo/poly)-functional nucleophile, or polymers.

Abstract: A method of preparing a block copolymer composition is provided. The method includes: adding an aromatic vinyl monomer and a compound represented by Chemical Formula 1 to a hydrocarbon-based solvent and performing stirring to prepare a first mixed solution; adding a polymerization initiator to the first mixed solution and performing polymerization to prepare a second mixed solution; adding a conjugated diene-based monomer to the second mixed solution and performing polymerization to prepare a third mixed solution; and adding a coupling agent to the third mixed solution to perform a coupling reaction, An asphalt composition including the block copolymer composition prepared therefrom, is also provided.

Abstract: A crosslinking material, the crosslinking material comprising the reaction product of a reaction mixture comprising: (i) a cyclic unsaturated acid anhydride and/or diacid derivative thereof; (ii) an ethylenically unsaturated monomer; and (iii) an alcohol, amine and/or thiol, wherein the cyclic unsaturated acid anhydride and/or diacid derivative thereof is partially-esterified by reaction with the alcohol, amine and/or thiol; and wherein the wherein the crosslinking material has an acid number of at least 100 mg KOH/g.

Abstract: Provided is an irradiation-crosslinked ethylene propylene diene monomer (EPDM) composition containing: EPDM 30 to 80 phr (parts per hundred resin) free of a crosslinking agent, a polyolefin (PO) resin 10 to 50 phr, a silicone rubber 5 to 40 phr, a flame retardant 20 to 30 phr, a crosslinking accelerator 5 to 10 phr, a crosslinking assistant 1 to 5 phr, an antioxidant 5 to 15 phr, and a lubricant 0.25 to 5 phr. Provided is a cable produced by: providing the irradiation-crosslinked EPDM composition; first kneading the composition using a kneader; second kneading the first kneaded composition using a roll mill; extruding the second kneaded composition using an extruder, and then cutting the extruded composition to produce pellets as a raw material for the cable; forming a cable of a predetermined length by extruding the pellets using an extruder; and irradiation-crosslinking the formed cable using an electron beam accelerator.

Abstract: An example of a three-dimensional (3D) printing composition includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes one of: (i) a thermoplastic elastomer having a flow parameter characterized by a consolidation resistance value ranging from about 8 to about 30, and a tap density characterized by an n1/2 value ranging from 5 taps to 30 taps; or (ii) a polyamide-like material having a flow parameter characterized by a consolidation resistance value ranging from about 75 to about 120, and a tap density characterized by an n1/2 value ranging from 5 taps to 30 taps. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the thermoplastic elastomer or the polyamide-like material in the at least the portion.

Abstract: A low-VOC, two-component polyurethane adhesive is provided. The polyurethane adhesive has an A-side that includes an isocyanate and a non-reactive plasticizer, and a B-side that includes an aliphatic polyester polyol, a non-polyester polyol, and a urethane catalyst. The A-side and the B-side are reacted at a volume ratio of 1:1 and formulated at an NCO/OH index within the range of 0.90 to 1.10. The polyurethane adhesive is solvent-free and is particularly suitable for adhering a polymeric membrane to a substrate.

Abstract: The invention provides an olefin-olefinic alcohol copolymer and a preparation method thereof, said copolymer comprising a spherical and/or spherical-like polymer. The copolymer provided by the invention exhibits a good morphology and has good prospects in industrial use.

Abstract: A method for assessing polymeric additive content A in a polymeric particle mixture may comprise determining a concentration B of a metal cation in a polymeric particle mixture comprising parent polymeric particles and polymeric additive particles, wherein the metal cation is selected from alkali earth metals and alkali metals, other than sodium (Na), and the metal cation is capable of forming a water-soluble base; determining a concentration C of the metal cation in the parent polymeric particles; determining a concentration D of the metal cation in the polymeric additive particles; and calculating a polymeric additive content A using formula A=(B?C)/D.