Described herein are associative polymers capable of controlling a physical and/or chemical property of non-polar compositions and related compositions, methods and systems. Associative polymers herein described have a non-polar backbone and functional groups presented at ends of the non-polar backbone, with a number of the functional groups presented at the ends of the non-polar backbone formed by associative functional groups capable of undergoing an associative interaction with another associative functional group with an association constant (k) such that the strength of each associative interaction is less than the strength of a covalent bond between atoms and in particular less than the strength of a covalent bond between backbone atoms.

The present disclosure provides copolymers prepared by polymerizing a first monomer comprising at least one C?C and/or at least one C?C; and a second monomer of Formula (B): wherein at least one first monomer and/or at least one second monomer comprises a latent-fluoride moiety (e.g., pentafluorophenyl). Upon contacting the copolymers with a nucleophile (e.g., a thiol) and/or a base, the latent-fluoride moiety may release fluoride ions, which may in turn degrade the copolymers by cleaving the OSi bonds. The copolymers may be useful for drug delivery, or as degradable (e.g., biodegradable) polymers, adhesives, coatings, or structural materials.

The present disclosure describes functional oligomers or functional polymers. The functional oligomers or functional polymers may contain functional groups, e.g., OH and/or CHO. The functional oligomers or functional polymers may be obtained from hydrolyzing certain copolymers and may be soluble in commercially available solvents. The copolymers may be thermosetting polymers. The functional oligomers and functional polymers may be useful for recycling thermosetting polymers and may be useful as starting materials for preparing additional oligomers or polymers.

Embodiments of a nanohoop-functionalized polymer and methods of making and using the same are described herein. In particular embodiments, the polymer comprises one or more nanohoops that extend from the polymer backbone. Also described are polymerizable nanohoop monomer embodiments that can be used to make the polymer embodiments.

Provided herein is a class of copolymers, including triblock brush copolymers having specific block configurations, for example, ABC triblock brush copolymers and ABA triblock brush copolymers. In an embodiment, for example, copolymers of the invention incorporate various polymer side chain groups which contribute beneficial physical, chemical, or electronic properties such as increased mechanical or elastic strength, improved ionic or electric conductivity. In some embodiments, the provided copolymers exhibit advantageous steric properties allowing for rapid self-assembly into a variety of morphologies that are substantially different than non-brush, block copolymers.

A polymer and a method for preparing the same are provided. The polymer includes a first repeat unit and a second repeat unit. In particular, the first repeat unit is ##STR00001##
and, the second repeat unit is ##STR00002##
wherein R.sup.+ is ##STR00003##
A.sup.? is F.sup.?, Cl.sup.?, Br.sup.?, I.sup.?, OH.sup.?, HCO.sub.3.sup.?, HSO.sub.4.sup.?, SbF.sub.6.sup.?, BF.sub.4.sup.?, H.sub.2PO.sub.4.sup.?, H.sub.2PO.sub.3.sup.?, or H.sub.2PO.sub.2.sup.?; X is ##STR00004##
i and j are independently 0, or an integer from 1 to 4; Y is O, S, CH.sub.2, or NH; R.sup.1 is independently C.sub.1-8 alkyl group; and, R.sup.2 and R.sup.3 are hydrogen, or independently C.sub.1-8 alkyl group.

The present teachings relate to curable linear polymers that can be used as active and/or passive organic materials in various electronic, optical, and optoelectronic devices. In some embodiments, the device can include an organic semiconductor layer and a dielectric layer prepared from such curable linear polymers. In some embodiments, the device can include a passivation layer prepared from the linear polymers described herein. The present linear polymers can be solution-processed, then cured thermally (particularly, at relatively low temperatures) and/or photochemically into various thin film materials with desirable properties.

The present disclosure generally relates to interfaces and techniques for media playback on one or more devices. In accordance with some embodiments, an electronic device includes a display, one or more processors, and memory. The electronic device receives user input and, in response to receiving the user input, displays, on the display, a multi-device interface that includes: one or more indicators associated with a plurality of available playback devices that are connected to the device and available to initiate playback of media from the device, and a media playback status of the plurality of available playback devices.

The present invention relates to a vertical alignment layer including a cyclic olefin copolymer, and more specifically, the present invention relates to a vertical alignment layer capable of having alignment even in a low temperature process, and exhibiting excellent liquid crystal vertical alignment by including a cyclic olefin copolymer having a specific substituent.

Provided is a rubber composition for a tire containing a rubber component including 15 to 55 wt % of an end modified group-containing cycloolefin ring-opening polymer having a glass transition temperature of 120 to 90 C. and 45 to 85 wt % of an end modified group-containing solution polymerized conjugated diene polymer having a glass transition temperature of 60 to 10 C. and having an aromatic vinyl monomer unit content ratio of more than 30 wt % and 50 wt % or less, a silica, and a silane coupling agent including a monosulfide group and/or a thiol group, wherein the content of the silica with respect to 100 parts by weight of the rubber component is 30 to 200 parts by weight, and the content of the silane coupling agent including a monosulfide group and/or a thiol group with respect to 100 parts by weight of the silica is 0.3 to 20 parts by weight.