Abstract: An end and monomer functionalized poly(propylene fumarate) polymer and methods for preparing this polymer, comprising isomerized residue of a maleic anhydride monomer and a functionalized propylene oxide monomer according to the formula: where n is an integer from more than 1 to 100; R is the residue of an initiating alcohol having a propargyl, norbornene, ketone or benzyl functional group; and R? is a second functional group selected from the group consisting of propargyl groups, 2-nitrophenyl groups, and combinations thereof are disclosed. The end and monomer functional groups allow for post-polymerization modification with bioactive materials using “click” chemistries and use of the polymer for a variety of applications in medical fields, including, for example, 3-D printed polymer scaffold.

Abstract: An optical device is provided. The optical device includes an optical grating. The optical grating includes two electrodes arranged opposite to each other and a liquid crystal (LC) composition sandwiched between the electrodes. The two electrodes provide a driving voltage to the optical grating. The LC mixture includes a host LC and one or more LC dimers dissolved as a guest in the host LC. The host LC and the one or more LC dimers have respective dielectric anisotropies of opposite signs in nematic phase. A net dielectric anisotropy of the LC mixture is substantially neutral at a predetermined temperature.

Abstract: The invention relates to a process for preparing a graft copolymer comprising polyethylene, comprising the steps of: A) providing an ethylene copolymer comprising side chains having C?C bond and B) reacting the ethylene copolymer of step A) with an azide compound in the presence of a catalyst, a free radical initiator or diphenylamine to obtain the graft copolymer, wherein the azide compound is an azide compound having a functional group or a polymer having an azide group.

Abstract: A monomer represented by Chemical Formula 1-1 wherein in Chemical Formula 1-1, Z, L1, L2, R1 to R6, n, m, p, and a to f are the same as defined in the detailed description.

Abstract: The invention relates to the use of 1,5-enediyne compounds of formula (I) as curing agents in polymeric systems. In particular the invention relates to a curable composition comprising a curing agent of formula (I) and a polymer suitable to be cross-linked and to the cured article obtained therefrom.

Abstract: The present invention provides an optical isomer separating agent and a production method thereof. That is, the present invention provides a one-handed helical poly(diphenylacetylene) compound represented by the following formula (I) [wherein each symbol is as described in the DESCRIPTION], and a production method thereof, an optical isomer separating agent containing the poly(diphenylacetylene) compound, and a packing material for a chiral column, containing the optical isomer separating agent coated on a carrier. Since these have a superior separation ability for a wide variety of compounds, a practical optical resolution method can be provided.

Abstract: The disclosure provides methods for the use of open metal frameworks to catalyze coupling reactions.

Abstract: Certain polyphenylene oligomers having good solvent strip resistance, low coefficient of thermal expansion and good adhesion to a variety of surfaces are useful as thin-film dielectric materials in electronics applications.

Abstract: A polymerizable monomer represented by the following formula (1) wherein at least one of Ar1 to Ar3 is substituted by a group represented by the following formula (2) and which is substituted by one or more groups comprising a polymerizable functional group. Ar1 to Ar3 are a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms, Ar6 is a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms and Ar4 and Ar5 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms.

Abstract: The present disclosure provides compositions for alkyne metathesis catalysts and methods for preparing enediynes and alkyne metathesis catalysts. The disclosure also provides methods for catalyzing alkyne metathesis reactions and polymerization of enediyne substrates to polydiacetylenes in solution-phase.

Abstract: Disclosed is a polyacetylene nanofiber temperature sensor. The temperature sensor accurately senses a temperature under high magnetic fields and includes a temperature sensing unit including a polyacetylene nanofiber array in which the polyacetylene nanofibers are substantially arranged in parallel. The temperature sensing unit includes polyacetylene nanofiber networks, polyacetylene single fibers, or helical polyacetylene single fibers. The polyacetylene nanofiber is doped with iodine.

Abstract: A water- and oil-repellent includes, as an active ingredient, a fluorine-containing copolymer including as a copolymer unit (A) at least one of perfluoroalkylalkyl acrylates and corresponding methacrylates, (B) benzyl acrylate or benzyl methacrylate represented by the general formula: CnF2n+1CmH2mOCOCR?CH2 (wherein R represents a hydrogen atom or a methyl group; n represents 4, 5, or 6; and m represents 1, 2, 3, or 4), (C) a fluorine-free polymerizable monomer other than benzyl acrylate and benzyl methacrylate, and (D) a cross-linkable group-containing polymerizable monomer.

Abstract: An oligophenylene monomer of general formula (I) wherein R1 and R2 are independently of each other H, halogene, —OH, —NH2, —CN, —NO2 or a linear or branched, saturated or unsaturated C1-C40 hydrocarbon residue, which can be substituted 1- to 5-fold with halogene (F, Cl, Br, I), —OH, —NH2, —CN and/or —NO2, and wherein one or more CH2-groups can be replaced by —O— or —S—, or an optionally substituted aryl, alkylaryl or alkoxyaryl residue; and m represents 0, 1 or 2.

Abstract: Graft polymerization is fullfiled on a functionalized substrate. The functionalized substrate is prepared from a disulfide bond-containing feedstock and has been prepared for polymerization through the introduction of one or more polyfunctional monomers containing a disulfide bond breaking material functional group.

Abstract: The present invention is directed to a heterogeneous gas phase polymerization process to produce true polyacetylene (PA; C2H2) in powder form, and the resultant PA product. The present invention is additionally directed to a chlorinated polyacetylene (CPA) compound comprised of primarily CHCl units and CH double bond units. The CPA compound can be comprised of at least 67.3 wt % Cl, and have a weight average molecular weight (Mw) as measured by GPC of greater than 30,000 and contain less than 1.0 mol % carbon-carbon branching. The CPA compound according to the invention can exhibit a glass transition temperature (Tg) of at least about 185° C. to about 270° C.

Abstract: Provided are novel plasma-assisted processes for preparing cured films having excellent heat resistance and moisture resistance. A process for preparing a cured film, comprising at least: applying a composition containing (A) at least one conductive polymer precursor on a substrate to form a coating layer, and irradiating the coating layer with a plasma to polymerize the conductive polymer precursor (A).

Abstract: Polymerized micelles comprising polymerized amphiphilic molecules obtained starting from amphiphilic molecules having one or two lipid chains each comprising one or two polymerizable moieties and linked to a polar head.

Abstract: Provided is a film-forming method based on an LB method by which a uniform alignment film using a helical polyacetylene can be obtained. The method based on the LB method includes: developing a helical polyacetylene onto a liquid surface; and transferring a monolayer film of the helical polyacetylene formed on the liquid surface onto a substrate to form a film, in which a compressibility P represented by the following formula (1) at a time of the film formation is 1×10?2 m/mN or less: P=(1/(dH/dS))×(1/S) (1), where H represents a surface pressure (mN/m) of the monolayer film of the helical polyacetylene, and S represents an area (m2) of the monolayer film of the helical polyacetylene developed onto the liquid surface.

Abstract: The disclosure describes methods of metathesizing unsaturated organic compounds, each method comprising contacting at least one feedstock comprising at least one olefinic or acetylenic precursor with a solid transition metal-based metathesis catalyst in the absence of a liquid solvent or precursor to form a polymer product.

Abstract: Disclosed herein is a composition having a thermoset polymer and a plurality of hollow microsphere homogenously dispersed in the composition. The polymer is a cyanate ester thermoset, a phthalonitrile thermoset, a crosslinked acetylene thermoset, or a hydrosilation thermoset. Also disclosed herein is a method of: providing a thermosetting compound; adding microspheres to the thermosetting compound; and mixing the thermosetting compound while initiating crosslinking of the thermosetting compound.

Abstract: A compound represented by formula (1), a liquid crystal composition, a liquid crystal display device are described. In formula (1), for example, the ring A1 and the ring A4 are phenylene or cyclohexylene; Z1, Z2, Z3 and Z4 are a single bond or alkylene having 1 to 6 carbons; L1 is a single bond; s and t are 0; and P1, P2, P3 and P4 are a polymerizable group.

Abstract: Compounds having the formulas below. R is an aromatic-containing group. Each M is an alkali metal. Each m is a positive integer. The value of n is a positive integer. The value p is 0 or 1. If p is 0 then n is 1. A thermoset made by curing a composition containing the below phthalonitrile monomers. A method of reacting a diphenyl acetylene compound with an excess of an aromatic diol in the presence of an alkali metal carbonate to form the above oligomer. A method of reacting a phenoxyphthalonitrile with an acetylene compound to form the phthalonitrile monomer below.

Abstract: The present invention provides a new metal-free cyclotrimerization reaction of alkynes to produce a 1,3,5-triacylarylene or 1,3,5-triacylbenzene. This reaction is catalyzed by secondary amines, is strictly regioselective, highly functionality-tolerant, and the resulting product can be obtained in high yields. This reaction can be further applied for the preparation of novel branched (co)polymers bearing the triacylarylenes as structural units. The preparation of the (co)polymers is carried out as a one-pot single-step reaction procedure, giving branched oligomers and polymers in high yields up to 90%. The produced (co)polymers are also processible, easily film-forming, and thermally stable.

Abstract: A method for forming a pattern includes providing a resist underlayer film on a substrate using a first composition for forming a resist underlayer film. The first composition includes a polymer having a structural unit represented by a following formula (1). In the formula (1), Ar1 and Ar2 each independently represent a bivalent group represented by a following formula (2). A resist coating film is provided on the resist underlayer film using a resist composition. A resist pattern is formed using the resist coating film. A predetermined pattern is formed on the substrate by sequentially dry-etching the resist underlayer film and the substrate using the resist pattern as a mask.

Abstract: Solid polymerizable diacetylenic monomer compositions, including compositions co-crystallized from a diversity of solvent systems under diverse cooling conditions, can exhibit diffraction patterns associated with the color development reactivities of the compositions. High reactivity compositions are disclosed and high reactivity and low reactivity phases can be identified. A low angle powder X-ray diffraction peak can indicate the presence of one or more crystal phases in a composition. A fingerprint region can exhibit fingerprint patterns of diffraction peaks associated with different reactivities. Information about polymerization of the diacetylenic monomers is disclosed using 13C nuclear magnetic resonance (“NMR”) characterization. Diacetylenic monomer compositions useful in ambient condition indicators, for example time-temperature indicators are disclosed.

Abstract: The invention provides a block polymer capable of being used as a molecular wire facilitating injection of carriers between itself and an electrode, and a device in which electrodes are bridged by one molecule. The block polymer has a main chain composed of polyacetylene having a spiral structure, and includes a coating insulating block and a conductive block. The coating insulating block has a polyacetylene unit structure having alkyl chains at its side chains through functional groups, the alkyl chains being arranged in a direction parallel to the major axis of the main chain. The conductive block has a polyacetylene unit structure having hydrogen atoms at its side chains through functional groups, the hydrogen atoms being arranged in a direction parallel to the major axis of the main chain. The device has the above-mentioned block polymer, and two or more electrodes.

Abstract: Disclosed is a method for synthesis of micro-porous triple-bond based polymer networks using acetylene gas. According to the disclosed methods for synthesis of micro-porous triple-bond based polymer networks, acetylene gas interconnects building units having iodine and/or bromine functional groups by coupling reactions to provide micro-porous triple-bond based polymer networks.

Abstract: Co-topo-polymeric indicator compositions and methods for making and using the same are provided. Indicator compositions of the invention include a polymer and undergo a color change, which may be reversible or irreversible, in response to an applied stimulus, e.g., temperature. Aspects of methods of producing the compositions include setting a fluid co-topo-polymeric precursor composition into a solid product and then subjecting the solid product (either immediately or after a delay period) to polymerizing conditions to produce the desired indicator composition. Also provided are indicator devices that include the indicator compositions of the invention. The compositions of the invention find use in a variety of different applications.

Abstract: The present invention generally relates to methods for the synthesis of species including monomers and polymers. Methods of the invention comprise the use of chemical techniques including metathesis chemistry to synthesize, for example, monomers and/or polymers with desired functional groups.

Abstract: The invention relates to novel mesogenic dimeric compounds which are especially suitable for use in birefringent films with negative optical dispersion, to novel liquid crystal (LC) formulations and polymer films comprising them, and to the use of the dimers, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.

Abstract: An object of the present invention is to provide a purification method of separating impurities from a carboxyl group-containing polyoxyethylene derivative having a molecular weight of 2,000 to 100,000. The purification method according to the invention includes the following steps. The polyoxyethylene derivative is dissolved to form a solution using toluene, xylene, benzene, ethyl acetate, or butyl acetate in an amount 5 times by mass or more the amount of the polyoxyethylene derivative. A slurry is formed by adding to the solution an inorganic adsorbent containing at least one of an oxide and a hydroxide of one or more elements selected from the group consisting of magnesium, silicon, and aluminum in an amount 0.5 to 10 times by mass the amount of the polyoxyethylene derivative. The slurry is stirred at a temperature of 25° C. or higher. Toluene, xylene, benzene, ethyl acetate, or butyl acetate is added to a filtration cake obtained by filtration of the slurry, and further filtration is performed.

Abstract: Provided are rigid contact lenses having high oxygen permeability and methods to make the same. The rigid contact lenses comprise a polyacetylene. Also provided are methods of making rigid high oxygen permeability contact lenses.

Abstract: A polymerizable monomer represented by the following formula (1) which is substituted by one or more groups comprising a polymerizable functional group wherein Ar1 and Ar4 to Ar6 are independently a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms; and Ar2, Ar3 and L1 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms:

Abstract: A purification method in which, from a specific polyoxyalkylene derivative having a molecular weight of 8,800 to 100,000, an impurity differing in the number of hydroxyl groups is separated, the method including steps (A), (B), (C), and (D). Step (A): a step in which an aprotic organic solvent is used in an amount at least 5 times by weight the amount of the polyoxyalkylene derivative to dissolve the polyoxyalkylene derivative therein and give a solution; step (B): a step in which an adsorbent comprising an oxide containing at least one of aluminum and silicon is added to the solution in an amount 0.5 to 5 times by weight the amount of the polyoxyalkylene derivative to thereby yield a slurry; step (C): a step in which the slurry is stirred at 25° C. or higher; step (D): a step in which the polyoxyalkylene derivative is recovered from the slurry.

Abstract: Provided is a bipolar battery current collector that includes a conductive resin layer formed in such a manner as to, when at least part of the conductive resin layer reaches a predetermined temperature, interrupts a flow of electric current through the at least part of the conductive resin layer in a vertical direction thereof. Also provided is a bipolar battery using the current collector. It is possible by the use of the current collector to suppress local heat generation in the bipolar battery and improve the durability of the bipolar battery.

Abstract: Provided is a film-forming method based on an LB method by which a uniform alignment film using a helical polyacetylene can be obtained. The method based on the LB method includes: developing a helical polyacetylene onto a liquid surface; and transferring a monolayer film of the helical polyacetylene formed on the liquid surface onto a substrate to form a film, in which a compressibility P represented by the following formula (1) at a time of the film formation is 1×10?2 m/mN or less: P=(1/(dH/dS))×(1/S) (1), where H represents a surface pressure (mN/m) of the monolayer film of the helical polyacetylene, and S represents an area (m2) of the monolayer film of the helical polyacetylene developed onto the liquid surface.

Abstract: A method for producing a polyoxyalkylene derivative including: step (A) in which a polyoxyalkylene derivative having hydroxyl group(s) is reacted with a phthalimide derivative in the presence of an azo reagent and a phosphine reagent; step (B) in which the phthalimide groups of the compound obtained in step (A) are deprotected using a compound having a primary amino group; and step (C) in which impurities derived from the phthalimide derivative and the deprotection reagent are removed by adsorption or extraction.

Abstract: Compounds having the formulas below. R is an aromatic-containing group. Each M is an alkali metal. Each m is a positive integer. The value of n is a positive integer. The value p is 0 or 1. If p is 0 then n is 1. A thermoset made by curing a composition containing the below phthalonitrile monomers. A method of reacting a diphenyl acetylene compound with an excess of an aromatic diol in the presence of an alkali metal carbonate to form the above oligomer. A method of reacting a phenoxyphthalonitrile with an acetylene compound to form the phthalonitrile monomer below.

Abstract: Diacetylenic materials for the colorimetric detection of an analyte or exposure to certain environmental factors are disclosed as well as the polymerization reaction products of these diacetylenic compounds.

Abstract: According to one embodiment of the present invention, a portion of a light-emitting polymer material or a conductive polymer material can be irradiated with a focused electron beam, so that the physical properties of that portion can be modified. For this purpose, one embodiment of the present invention comprises an apparatus for modifying the physical properties of a nanostructure using a focused electron beam, the apparatus comprising: a nanostructure; a focused electron beam-irradiating unit that serves to irradiate a nanoscale electron beam such that it is focused on the nanostructure; and a focused electron beam-controlling unit that serves to control the irradiation position of the nanoscale electron beam so as to modify the physical property of a portion of the nanostructure.

Abstract: Compounds having the formulas below. R is an aromatic-containing group. Each M is an alkali metal. Each m is a positive integer. The value of n is a positive integer. The value p is 0 or 1. If p is 0 then n is 1. A thermoset made by curing a composition containing the below phthalonitrile monomers. A method of reacting a diphenyl acetylene compound with an excess of an aromatic diol in the presence of an alkali metal carbonate to form the above oligomer. A method of reacting a phenoxyphthalonitrile with an acetylene compound to form the phthalonitrile monomer below.

Abstract: The invention relates to new reactive mesogenic compounds (RM), polymerisable liquid crystal (LC) mixtures and polymers comprising them, and the use of the compounds, mixtures and polymers in optical, electrooptical, electronic, semiconducting or luminescent components or devices, in decorative, security or cosmetic applications, especially for use in polymer films having high optical dispersion.

Abstract: An acetylene-based polymer, comprising n recurring units represented by the following Formula (1): CH?CAn??(1) wherein, n is an integer of 10 to 10,000; each A represents a group selected from a naphthyl group, a phenanthryl group, a pyrenyl group and an anthryl group, which is mono- or di-substituted with a group selected from alkyl groups, alkyl groups substituted with aromatic hydrocarbon groups, R1—O— groups, —S—R2 groups, —NR3R4 groups, a cyano group, a carboxyl group, R5SO2— groups, —COOR6 groups, —CON(R7)(R8) groups and —COR9 groups (each of R1, R5, R6 and R9 is an alkyl group, each of R2, R3, R4, R7 and R8 is a hydrogen atom or an alkyl group); and the recurring units may be the same as or different from each other.

Abstract: The interlayer insulating film of this invention is composed of a polymer in which a first monomer having four substituted acetylenyl groups and polymerizable in the three-dimensional direction and a second monomer having two substituted cyclopentanonyl groups and polymerizable in the two-dimensional direction are three-dimensionally polymerized.

Abstract: Provided is a flame-retardant polyarylate resin and a composition thereof, and more particularly, a polyarylate resin prepared by co-polymerizing 4,4?-dihydroxyphenylacetylene (DHPA), phthaloyl chloride (PC) and bishydroxyphenol (BHP) and a composition of the polyarylate resin. The polyarylate resin has lower heat release capacity than a conventional resin or a resin containing a halogen-based flame-retardant, is environmentally friendly, does not produce toxic materials, and has more excellent flame-retardancy than a conventional halogen-based flame-retardant and a flame-retardant resin. In addition, the polyarylate resin has excellent processibility and compatibility due to high solubility in a commonly used industrial solvent and has excellent thermal stability due to a high molecular weight.

Abstract: Polymerised micelles comprising polymerised amphiphilic molecules obtained starting from amphiphilic molecules having one or two lipid chains each comprising one or two polymerisable moieties and linked to a polar head.

Abstract: A process of the present invention is directed toward conducting highly selective, high yield post-polymerization reactions on polypeptides to prepare functionalized polypeptides. In certain embodiments, the polypeptides can be prepared by ring opening polymerization of N-carboxyanhydrides. In certain embodiments, the post-polymerization reaction is a “click chemistry” reaction. In certain embodiment, the “click chemistry” reaction is a triazole-forming reaction involving an alkyne on the polypeptide and an azide.

Abstract: Solid polymerizable diacetylenic monomer compositions, including compositions co-crystallized from a diversity of solvent systems under diverse cooling conditions, can exhibit diffraction patterns associated with the color development reactivities of the compositions. High reactivity compositions are disclosed and high reactivity and low reactivity phases can be identified. A low angle powder X-ray diffraction peak can indicate the presence of one or more crystal phases in a composition. A fingerprint region can exhibit fingerprint patterns of diffraction peaks associated with different reactivities. Information about polymerization of the diacetylenic monomers is disclosed using 13C nuclear magnetic resonance (“NMR”) characterization. Diacetylenic monomer compositions useful in ambient condition indicators, for example time-temperature indicators are disclosed.

Abstract: Polyurethane-based polymer compositions that include diacetylene segments are provided.

Abstract: The invention is based on the discovery that certain polyester compounds bearing are useful as b-stageable and/or liquid adhesives for the microelectronic packaging industry.