Embodiments of the present disclosure generally provide compositions and methods related to articles that display reversible photoresponsive behavior.

Embodiments of the present disclosure generally provide compositions and methods related to articles that display reversible photoresponsive behavior.

Copolymerization of elemental sulfur with functional comonomers afford sulfur copolymers having a high molecular weight and high sulfur content. Nucleophilic activators initiate sulfur polymerizations at relative lower temperatures and in solutions, which enable the use of a wider range of comonomers, such as vinylics, styrenics, and non-homopolymerizing comonomers. Nucleophilic activators promote ring-opening reactions to generate linear polysulfide intermediates that copolymerize with comonomers. Dynamic sulfur-sulfur bonds enable re-processing or melt processing of the sulfur polymer. Chalcogenide-based copolymers have a refractive index of about 1.7-2.6 at a wavelength in a range of about 5000 nm-8μ.Math.τ.Math.. The sulfur copolymer can be a thermoplastic or a thermoset for use in elastomers, resins, lubricants, coatings, antioxidants, cathode materials for electrochemical cells, dental adhesives/restorations, and polymeric articles such as polymeric films and free-standing substrates. Optical substrates are constructed from the chalcogenide copolymer and are substantially transparent in the visible and infrared spectrum.

The present disclosure provides a conductive polymer material. The conductive polymer material includes a conductive polymer having structural units derived from the following monomers: (a) a monomer of formula (I):

##STR00001##

and (b) a monomer having an ethylenically unsaturated group which has the following formula:

##STR00002##

wherein A, X, R1, R2, R6 to R9, q and w are described in the specification. The conductive polymer material of the present disclosure has high withstand voltage and high capacitance and can be used for the preparation of solid capacitors or hybrid capacitors. In addition, the conductive polymer material according to the present disclosure has high electrical conductivity and good water washing resistance and is thus useful for an antistatic coating or smart fabrics.

The present disclosure provides a conductive polymer material. The conductive polymer material includes a conductive polymer having structural units derived from the following monomers: (a) a monomer of formula (I):

##STR00001##

and (b) a monomer having an ethylenically unsaturated group which has the following formula:

##STR00002##

wherein A, X, R1, R2, R6 to R9, q and w are described in the specification. The conductive polymer material of the present disclosure has high withstand voltage and high capacitance and can be used for the preparation of solid capacitors or hybrid capacitors. In addition, the conductive polymer material according to the present disclosure has high electrical conductivity and good water washing resistance and is thus useful for an antistatic coating or smart fabrics.

Various photocrosslinkable electrochromic polymers are disclosed. The polymers are suitable for an electrochromic layer of an electrochromic device. The polymers are formed with a two-step synthesis method that includes forming a polymer precursor with one or more chromophore blocks, and mixing the polymer precursor with photocrosslinkable monomer units to form the polymer.

Various photocrosslinkable electrochromic polymers are disclosed. The polymers are suitable for an electrochromic layer of an electrochromic device. The polymers are formed with a two-step synthesis method that includes forming a polymer precursor with one or more chromophore blocks, and mixing the polymer precursor with photocrosslinkable monomer units to form the polymer.

There is provided a polymer which is the copolymerization product from a mixture including: (a) 10-50 mol % of at least one addition polymerizable arylcyclobutene monomer; (b) 15-50 mol % of at least one addition polymerizable diene monomer; and (c) 15-60 mol % of at least one addition polymerizable aromatic vinyl monomer. The polymer can be used in electronic applications.

There is provided a polymer which is the copolymerization product from a mixture including: (a) 10-50 mol % of at least one addition polymerizable arylcyclobutene monomer; (b) 15-50 mol % of at least one addition polymerizable diene monomer; and (c) 15-60 mol % of at least one addition polymerizable aromatic vinyl monomer. The polymer can be used in electronic applications.

A two-package dental adhesive composition is provided that has an excellent adhesive property for each of various dental materials and also has excellent storage stability. The two-package dental adhesive composition includes a first agent and a second agent which are divided from each other. The two-package dental adhesive composition includes at least five components including: (A) an acidic group-containing polymerizable monomer; (B) a sulfur atom-containing polymerizable monomer; (C) a silane coupling agent; (D) a borate compound; and (E) water. The first agent contains only (A) the acidic group-containing polymerizable monomer and (B) the sulfur atom-containing polymerizable monomer out of the five components. The second agent contains only (C) the silane coupling agent, (D) the borate compound, and (E) the water out of the five components.