Cross-linked polyvinyl polymers comprising charged groups and methods of making are disclosed. The polymers are effective and durable adsorbent of dyes from aqueous solutions. Also, a method of removal of dyes from contaminated water is disclosed.

Cross-linked polyvinyl polymers comprising charged groups and methods of making are disclosed. The polymers are effective and durable adsorbent of dyes from aqueous solutions. Also, a method of removal of dyes from contaminated water is disclosed.

An object of the present invention is to provide a novel method of producing a nonpolar olefin polymer (e.g., a copolymer of a nonpolar olefin and a polar olefin). The present invention provides a method of producing a polar olefin polymer or copolymer, the method including the polymerization step of polymerizing a polar olefin monomer using, as a catalyst, a polymerization catalyst composition containing: 1) a metallocene complex represented by Formula (I), which contains a central metal M that is scandium (Sc) or yttrium (Y), a ligand Cp* containing a cyclopentadienyl derivative and being bound to the central metal, monoanionic ligands Q.sup.1 and Q.sup.2, and W neutral Lewis bases L wherein W is an integer of 0 to 3; and 2) an ionic compound composed of a non-coordinating anion and a cation. ##STR00001## ##STR00002##

An object of the present invention is to provide a novel method of producing a nonpolar olefin polymer (e.g., a copolymer of a nonpolar olefin and a polar olefin). The present invention provides a method of producing a polar olefin polymer or copolymer, the method including the polymerization step of polymerizing a polar olefin monomer using, as a catalyst, a polymerization catalyst composition containing: 1) a metallocene complex represented by Formula (I), which contains a central metal M that is scandium (Sc) or yttrium (Y), a ligand Cp* containing a cyclopentadienyl derivative and being bound to the central metal, monoanionic ligands Q.sup.1 and Q.sup.2, and W neutral Lewis bases L wherein W is an integer of 0 to 3; and 2) an ionic compound composed of a non-coordinating anion and a cation. ##STR00001## ##STR00002##

The present invention relates to an aqueous dispersion of polymer particles and its preparation process, to an adhesive composition comprising the aqueous dispersion and to the use of the adhesive composition for adhering a label on a bottle.

The present invention relates to an aqueous dispersion of polymer particles and its preparation process, to an adhesive composition comprising the aqueous dispersion and to the use of the adhesive composition for adhering a label on a bottle.

The present invention relates to an aqueous dispersion of polymer particles and its preparation process, to an adhesive composition comprising the aqueous dispersion and to the use of the adhesive composition for adhering a label on a bottle.

The present invention provides a two-component (2K) curable composition comprising: (A) a first component comprising: i) at least one cyanoacrylate monomer represented by Formula 1:

H.sub.2C═C(CN)—COOR  (1) wherein: R is selected from C.sub.1-C.sub.18 alkyl, C.sub.3-C.sub.18 cycloalkyl, C.sub.2-C.sub.15 alkenyl, C.sub.6-C.sub.18 aryl, C.sub.7-C.sub.15 aralkyl and C.sub.3-C.sub.15 allyl; and, ii) peroxide catalyst; and, iii) at least one cure accelerator for said at least one cyanoacrylate monomer i); (B) a second component comprising: i) at least one free radically curable compound; and, ii) at least one transition metal compound, wherein, when said components are mixed together the peroxide catalyst initiates cure of said free radically curable compound(s) and the transition metal compound(s) initiates cure of the cyanoacrylate monomer(s), and further wherein said at least one free radically curable compound comprises at least one unsaturated polyester polymer containing at least two cycloolefinic double bonds.

The present invention provides a two-component (2K) curable composition comprising: (A) a first component comprising: i) at least one cyanoacrylate monomer represented by Formula 1:

H.sub.2C═C(CN)—COOR  (1) wherein: R is selected from C.sub.1-C.sub.18 alkyl, C.sub.3-C.sub.18 cycloalkyl, C.sub.2-C.sub.15 alkenyl, C.sub.6-C.sub.18 aryl, C.sub.7-C.sub.15 aralkyl and C.sub.3-C.sub.15 allyl; and, ii) peroxide catalyst; and, iii) at least one cure accelerator for said at least one cyanoacrylate monomer i); (B) a second component comprising: i) at least one free radically curable compound; and, ii) at least one transition metal compound, wherein, when said components are mixed together the peroxide catalyst initiates cure of said free radically curable compound(s) and the transition metal compound(s) initiates cure of the cyanoacrylate monomer(s), and further wherein said at least one free radically curable compound comprises at least one unsaturated polyester polymer containing at least two cycloolefinic double bonds.

An object of the present invention is to provide a cryopreservation vessel which has a coating that is capable of inhibiting the adhesion of cells or proteins and is resistant not only to aqueous solvents but also to organic solvents (for example, cryoprotectants, in particular, dimethyl sulfoxide). The invention provides a cell or protein cryopreservation vessel including, on at least a portion of the surface thereof, a coating that includes a repeating unit containing a group represented by the following formula (a), and a repeating unit containing a group represented by the following formula (b) (wherein U.sup.a1, U.sup.a2, U.sup.a3, U.sup.b1, U.sup.b2, U.sup.b3 and An.sup.− are as defined in the description and the claims).