A wax inhibitor composition, the composition having at least one alpha-olefin maleic anhydride copolymer of the formula:

##STR00001##

wherein R.sub.1 is selected from hydrocarbyl groups containing 10-30 carbon atoms, and R.sub.2 is selected from a hydrogen or hydrocarbyl groups containing 10-80 carbon atoms, and R.sub.2, if not hydrogen, is broadly dispersed, wherein R.sub.2 comprises a weight fraction of carbon numbers greater than 30, wherein R.sub.2 can be the same or different, and n is a number of repeating units ranging from 1 to 100.

The present invention provides an aqueous polyurethane dispersion (PUD) comprising an amorphous polyester having a glass transition temperature (T.sub.g) as determined by differential scanning calorimetry of less than 30 C.; wherein the aqueous polyurethane dispersion (PUD) has a glass transition temperature (T.sub.g) as determined by differential scanning calorimetry (DSC) of 0 C. to 20 C. and a hard block content of greater than 50%. Coatings, adhesives, sealants, paints, primers and topcoats, made from the inventive aqueous polyurethane dispersion (PUD) pass detergent resistance testing according to the American Architectural Manufacturers Association's standard, AAMA 615-13, have a pencil hardness according to ASTM D3363 of at least 3H, and are particularly suited for use on low surface energy substrates such as vinyl and other surfaces including floors, windows, doors, window frames, door frames, window shutters, railing, gates, pillars, arbors, pergolas, trellises, gazebos, posts, fencing, pipes and fittings, wire and cable insulation, automobile components, credit cards, and siding.

Stable star-structured functional polyolefins and methods of making them, the functional polyolefins comprising a polyolefin bound at any position along its chain length to at least one nucleophile-containing silane of the following formula: ##STR00001##
wherein Y is a di- or trivalent linker group selected from heteroatoms, C1 to C10 alkylenes, and other groups disclosed herein; Nu is a nucleophilic atom or unsaturation group; R5 is selected from hydrogen, and C1 to C10 alkyls, and other groups as disclosed herein; X is a divalent group selected from linear and branched alkylenes and heteroatom-alkylenes, and other groups as disclosed herein; and PO is a polyolefin having a weight average molecular weight of at least 400 g/mole; with the proviso that at least one of R1, R2, and R3 is selected from the same or different functional polyolefin moieties. Star-structured functional polyolefins are useful as filler dispersive additives in tire formulations and processing aids.

A multilayer film including an odor barrier layer having sound dampening properties is provided. The odor barrier layer is formed from a polyamide modified with a functionalized vinyl-bond rich triblock copolymer.

A regenerated polymer alloy material is provided. The regenerated polymer alloy material is mainly prepared from the following raw materials in parts by mass: a waste HIPS: 55-70, a PP: 30-45, an alkylation reaction catalyst: 0.1-0.4, a co-catalyst: 0.1-0.3, and a HIPS-based macromolecular chain extender: 2-8. The regenerated polymer alloy material uses the waste HIPS and the PP new materials as raw materials, to obtain a waste HIPS based regenerated polymer alloy material with excellent comprehensive properties by using two types of chemical modifiers in combination in segments. The waste HIPS based regenerated polymer alloy material has environmental protection and high value. Further, a method for preparing the regenerated polymer alloy material is also provided.

An article of manufacture includes a macromolecular block copolymer. The macromolecular block copolymer includes a first extruded high molecular weight polymer and a second extruded high molecular weight polymer bonded to the first extruded high molecular weight polymer. The first extruded high molecular weight polymer has a first characteristic rigidity value along a first length, and the second extruded high molecular weight polymer has a second characteristic rigidity value along a second length that is different from the first characteristic rigidity value.

A method of preparing high molecular weight poly(meth)acrylate polymers having narrow polydispersity indices (PDIs) by coupling poly(meth)acrylate building block units which themselves have narrow PDIs. The building block units have halogenated terminations, which when reacted with selected coupling agents, from the high molecular weight poly(meth)acrylate polymers.

In an embodiment, an article of manufacture includes a first component, a second component, and a thermal interface material. The thermal interface material is disposed between the first component and the second component and includes a polymeric phase-change material. In another embodiment, an article of manufacture includes a first component, a second component, and a thermal interface material disposed between the first component and the second component, the thermal interface material including a polymeric phase-change material, the polymeric phase-change material including a block copolymer formed from a diene, the diene formed from a vinyl-terminated fatty acid monomer having a chemical formula C.sub.2H.sub.4RC(O)OH and an ethylene glycol monomer having a chemical formula C.sub.2nH.sub.4n+2O.sub.n+1.

A thermal interface structure includes a first surface including a surface of a heat generating device, a first surface binding polymer bonded to the first surface, a second surface including a surface of a heat sink, and a second surface binding polymer bonded to the second surface. The first surface binding polymer and the second surface binding polymer cross-link to one another to form a covalently bonded, cross-linked section that creates a thermal interface material that forms a continuous molecular connection between the first surface and the second surface.

This invention relates to a process for forming a long-chain branched polymer and a long-chain branched polymer resulting from the process. The process comprises reacting (a) a polyolefin base polymer with (b) a coupling agent comprising a polymeric coupling agent, optionally blended with a molecular coupling agent, the polymeric coupling agent being a modified polyolefin having a reactive coupling group at one or more terminal ends of the modified polyolefin chain, to couple the polyolefin base polymer (a) with the coupling agent (b) to form a long-chain branched polymer having a long-chain branching and/or higher surface energy relative to the polyolefin base polymer.