Provided is a polymer capable of providing a coating film that has good initial adhesiveness to a base material and good adhesiveness thereto after a pressure cooker test, and has excellent abrasion resistance as determined by a falling sand abrasion test. The polymer includes a perhaloolefin unit, a vinyl ester unit that contains neither a hydroxy group nor an aromatic ring; and a hydroxy group-containing monomer unit. The polymer has a hydroxyl value of 110 mgKOH/g or greater.

This disclosure relates to a polyimide polymer that includes the reaction product of: (a) at least one diamine selected from the group consisting of a diamine of Structure (Ia) and a diamine of Structure (Ib),

##STR00001##

(b) at least one diamine of Structure (II),

##STR00002##

(c) at least one tetracarboxylic acid dianhydride, and optionally (d) at least one compound containing a first functional group reactive with an amine or an anhydride and at least a second functional group selected from the group consisting of a substituted or unsubstituted alkenyl group and a substituted or unsubstituted alkynyl group. Each variable in the above formulas is defined in the specification.

The present specification relates to a copolymer including a first unit represented by Chemical Formula 1; and a second unit represented by Chemical Formula 2, and an organic solar cell including the same.

A composite article includes a multilayer barrier assembly bonded to a substrate, and a top polymer layer bonded to the multilayer barrier assembly opposite the substrate. The multilayer barrier assembly comprises a base polymer layer and a base inorganic barrier layer. The base polymer layer comprises a polymerized reaction product of polymerizable components comprising at least one di(meth)acrylate represented by the formula ##STR00001##
Each R.sup.1 independently represents H or methyl; each R.sup.2 independently represents an alkyl group having from 1 to 4 carbon atoms; x=0, 1, 2, 3, or 4; and z=0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero and 1≤x+z≤4. Methods of making the same are also disclosed.

The present invention pertains to a fluoropolymer hybrid organic/inorganic composite, to a film comprising said fluoropolymer hybrid organic/inorganic composite and to uses of said film in various applications, especially in electrochemical and in photo-electrochemical applications.

An ethylene/alpha-olefin copolymer and method for preparing the same is disclosed herein. In some embodiments, an ethylene/alpha-olefin copolymer satisfying the following conditions, (a) a density of 0.85 to 0.89 g/cc, (b) a molecular weight distribution of 1.5 to 2.3, (c) a melting temperature of 85° C. or less, and (d) a free volume proportional constant (C2) of 600 or less. The ethylene/alpha-olefin copolymer has high volume resistance and light transmittance.

A sheet set for encapsulating a solar battery including a first encapsulating sheet and a second encapsulating sheet which are disposed between a light-incident surface protective member and a back surface protective member, and are used to encapsulate solar battery elements is provided. When the first encapsulating sheet and the second encapsulating sheet are subjected to a heating and pressurization treatment in which the first encapsulating sheet and the second encapsulating sheet are heated and depressurized under defined conditions, a volume resistivity of the first encapsulating sheet measured under defined conditions, is higher than a volume resistivity of the second encapsulating sheet. The first encapsulating sheet is disposed between the light-incident surface protective member and the solar battery elements. The second encapsulating sheet has at least one polar group selected from a carboxyl group, an ester group, a hydroxyl group, an amino group, and an acetal group.

The invention relates to an aqueous composition comprising a suspension of ZnO particles and a polymer stabiliser containing carboxylic acid functions and carboxylic acid salt functions.

A composite article includes a multilayer barrier assembly bonded to a substrate, and a top polymer layer bonded to the multilayer barrier assembly opposite the substrate. The multilayer barrier assembly comprises a base polymer layer and a base inorganic barrier layer. The base polymer layer comprises a polymerized reaction product of polymerizable components comprising at least one di(meth)acrylate represented by the formula

##STR00001##

Each R.sup.1 independently represents H or methyl; each R.sup.2 independently represents an alkyl group having from 1 to 4 carbon atoms; x=0, 1, 2, 3, or 4; and z=0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero and 1≤x+z≤4. Methods of making the same are also disclosed.

The present invention generally relates to artificial photosystems and methods of their use, for example in artificial photosynthesis, wherein the artificial photosystems comprise one or more light-harvesting antenna (LHA) comprising a conjugated polyelectrolyte (CPE) complex (CPEC) comprising a donor CPE and an acceptor CPE, wherein the donor CPE and acceptor CPE are an electronic energy transfer (EET) donor/acceptor pair.