The invention relates to poly(oligo(ethylene glycol) methacrylate) microgels, to the process for preparing same and the uses thereof in various fields of application such as optics, electronics, pharmacy and cosmetics.

These microgels have the advantage of being monodisperse, pH-responsive and temperature-responsive. They can carry magnetic nanoparticles or biologically active molecules. These microgels may also form transparent films, which have novel optical and electromechanical properties.

This invention relates to the field of polymers and olefin polymerization, and more specifically olefin metathesis polymerization. Specifically, the present invention provides a polymer comprising rigorously alternating AB subunits and methods of formation of the AB alternating polymers. In the polymers and process of the invention, the A monomer is derived from a cyclobutene derivative, and the B monomer is derived from a cyclohexene derivative. The polymerization takes place in the presence of an olefin metathesis catalyst.

Described herein is a novel polymerization method that is useful for synthesizing regioregular conjugated polymers from electron rich aromatic monomers and oligomers of electron rich aromatic monomers.

The invention is directed to a conjugate having the general formula (I)

##STR00001## Wherein AR and MU are repeating units of a polymer MU is a polymer modifying unit or band gap modifying unit that is evenly or randomly distributed along the polymer main chain, G1 and G2 stand for hydrogen, halogen or an antigen recognizing moiety, with the provision that at least one of G1 or G2 is an antigen recognizing moiety, a is 10 to 100 mol %, b is 0 to 90 mol % c is 1 to 10 000; with the provisio that a+b=100 mol % characterized in that AR is connected in the polymer chain via the 2,2′ or 3,3′ or 5,5′ or 6,6′ or 7,7′ or 8,8′ positions according to general formula (II)

##STR00002## Wherein the remaining positions 2,2′; 3,3′; 4,4′; 5,5′; 6,6′; 7,7′ and 8,8′ are substituted with same or different residues selected from the group consisting of H, SO.sub.2CF.sub.3, SO.sub.2R.sub.a, CF.sub.3, CCl.sub.3, CN, SO.sub.3H, NO.sub.2, NR.sub.aR.sub.bR.sub.c.sup.+, CHO, CORa, CO.sub.2Ra, COCl, CONRaRb, F, Cl, Br, I, R.sub.a, OR.sub.a, SR.sub.a, OCOR.sub.a, NR.sub.aR.sub.b, NHCOR.sub.a, CCR.sub.a, aryl-, heteroaryl-, C.sub.6H.sub.4OR.sub.a or C.sub.6H.sub.4NRaRb, with Ra-c independently hydrogen, alkyl-, alkenyl-, alkinyl-, heteroalkyl-, aryl-, heteroaryl-, cycloalkyl-, alkylcycloalkyl-, heteroalkylcycloalkyl-, heterocycloalkyl-, aralkyl- or a heteroaralkyl residue or (CH.sub.2)x(OCH.sub.2CH.sub.2)yO(CH.sub.2)zCH.sub.3, wherein x is an integer from 0 to 20; y is an integer from 0 to 50 and z is an integer from 0 to 20

The invention is directed to a conjugate having the general formula (I)

##STR00001## Wherein AR, MU and MU* are repeating units of a polymer and MU and MU* are polymer modifying units or band gap modifying units which are evenly or randomly distributed along the polymer main chain, G1 and G2 stand for hydrogen, halogen or an antigen recognizing moiety, with the provision that at least one of G1 or G2 is an antigen recognizing moiety, a is 10 to 100 mol %, b is 0 to 90 mol % c is 0.1 to 90 mol % d is 1 to 10 000; with the provisio that a+b+c=100 mol % characterized in that AR is connected in the polymer chain via the 2,2′ or 3,3′ or 4,4′ or 5,5′ or 6,6′ or 7,7′ or 8,8′ positions according to general formula (II)

##STR00002## Wherein the remaining positions 2,2′; 3,3′; 4,4′; 5,5′; 6,6′; 7,7′ and 8,8′ are substituted with same or different residues selected from the group consisting of H, SO.sub.2CF.sub.3, SO.sub.2R.sub.a, CF.sub.3, CCl.sub.3, CN, SO.sub.3H, NO.sub.2, NR.sub.aR.sub.bR.sub.c.sup.+, CHO, CORa, CO.sub.2Ra, COCl, CONRaRb, F, Cl, Br, I, R.sub.a, OR.sub.a, SR.sub.a, OCOR.sub.a, NR.sub.aR.sub.b, NHCOR.sub.a, CCR.sub.a, aryl-, heteroaryl-, C.sub.6H.sub.4OR.sub.a or C.sub.6H.sub.4NRaRb, with Ra-c independently hydrogen, alkyl-, alkenyl-, alkinyl-, heteroalkyl-, aryl-, heteroaryl-, cycloalkyl-, alkylcycloalkyl-, heteroalkylcycloalkyl-, heterocycloalkyl-, aralkyl- or a heteroaralkyl residue or (CH.sub.2).sub.x(OCH.sub.2CH.sub.2).sub.yO(CH.sub.2).sub.zCH.sub.3, wherein x is an integer from 0 to 20; y is an integer from 0 to 50 and z is an integer from 0 to 20.

A molecular adhesive system for reversibly joining two surfaces, comprising: an anionic coating on a first of two surfaces to be joined; a conductive polymer nanotube array on a second of the two surfaces to be joined; wherein said conductive polymer nanotube array is functionalized with metal nanoparticles; and an electric potential applied across said two surfaces.

Embodiments in accordance with the present invention encompass compositions encompassing a latent organo-ruthenium catalyst, an organo-ruthenium compound and a pyridine compound along with one or more monomers which undergo ring open metathesis polymerization (ROMP) when said composition is heated to a temperature from 80° C. to 150° C. or higher to form a substantially transparent film. Alternatively the compositions of this invention also undergo polymerization when subjected to suitable radiation. The monomers employed therein have a range of refractive index from 1.4 to 1.6 and thus these compositions can be tailored to form transparent films of varied refractive indices. The compositions of this invention further comprises inorganic nanoparticles which form transparent films and further increases the refractive indices of the compositions. Accordingly, compositions of this invention are useful in various opto-electronic applications, including as coatings, encapsulants, fillers, leveling agents, among others.

There is a polymeric photovoltaic cell (or solar cell) with inverted structure having an anode; an anodic buffer layer; an active layer having at least one photoactive organic polymer as electron-donor and at least one electron-accepting organic compound; a cathodic buffer layer; and a cathode. The at least one photoactive organic polymer is selected from conjugated polymers comprising an anthraditiophenic derivative having a general formula (I):

##STR00001##

The polymeric photovoltaic cell (or solar cell) with inverted structure shows good values of power conversion efficiency (PCE) (η) and can be advantageously used in the construction of photovoltaic modules (or solar modules), either on a rigid support or on a flexible support.

The present invention provides black particles that have high electrical insulation and that can achieve high blackness in the visible light region, as well as a black coating material, a coating film, and a black matrix for a color filter each containing the black particles. Provided are black particles containing a copolymer including a structural unit derived from a pyrrole compound and a structural unit derived from a quinone compound, the black particles having an aqueous dispersion number average particle size of 100 nm or less and a zeta potential of −5 mV or less.

The present invention relates to photosensitive compositions containing polynorbornene (PNB) polymers and certain additives that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs and certain multifunctional crosslinking agents, and two or more phenolic compounds which are resistant to thermo-oxidative chain degradation and exhibit improved mechanical properties.