A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.

A high-activity double-metal-cyanide catalyst, a method for fabricating the same, and applications of the same are disclosed. An organic complexing ligand, which is formed via mixing fatty alcohols and alicyclic carbonates, is used to generate a high-activity double-metal-cyanide catalyst. The high-activity double-metal-cyanide catalyst includes at least one double-metal-cyanide compound, at least one organic complexing ligand, and an optional functionalized compound. The double-metal-cyanide catalyst of the present invention has a higher activity than the conventional double-metal-cyanide catalysts. The polyols generated by the present invention has an insignificant amount of high-molecular-weight compounds.

An apparatus and methods for using coatings for metal applications are disclosed. According to one embodiment, an article comprises a cured polymeric film having a first reaction product of a cationic photoinitiator and a compound suitable for cationic polymerization. The article has a second reaction product of a free-radical photoinitiator and a compound suitable for free-radical polymerization; The article has a metal substrate, wherein the cured polymeric film coats the metal substrate.

The invention relates to a compound of following formula (I): ##STR00001##
a preparation process, uses thereof and compositions containing the same, wherein R.sub.1 and R.sub.2, represent, independently of one another, a linear, branched or cyclic, saturated or unsaturated hydrocarbon-based group comprising from 1 to 6 carbon atoms, where the sum of the carbon atoms of the groups R.sub.1 and R.sub.2 ranges from 2 to 7, and where R.sub.1 and R.sub.2 may also form, together and with the carbon atom bearing them, a 6-, 7-, or 8-membered ring; n is an integer of between 1 and 100, limits included; A represents a sequence of one or more units chosen from ethylene oxide, propylene oxide, butylene oxide units and mixtures thereof; the group formed by R.sub.1, R.sub.2 and the carbon atom to which R.sub.1 and R.sub.2 are attached has a degree of branching equal to 0, 1 or 2.

An antifouling coating composition including a copolymer including two or more moieties represented by Chemical Formula 1, and a linking group between the two or more moieties, a method of preparing the copolymer, and an antifouling film produced from the antifouling coating composition. ##STR00001## In Chemical Formula 1, the definitions of Ar, A, B, C, D, and m are as described in the specification.

The present invention relates to compositions comprising at least one (per)fluoropolyether base oil and at least one polymer obtained by the copolymerization of (per)fluoropolyether (PFPE), tetrafluoroethylene (TFE) and at least one non-homopolymerizable olefin.

The present invention provides a fluorine-containing ether compound represented by the following formula:

R.sup.1—R.sup.2—CH.sub.2—R.sup.3—CH.sub.2—R.sup.4—R.sup.5

(in the formula, R.sup.3 represents a perfluoropolyether chain; R.sup.1 and R.sup.5 each independently represent any of an alkyl group which may have a substituent, an organic group having a double bond or a triple bond, and a hydrogen atom; —R.sup.2—CH.sub.2—R.sup.3 is represented by -[A]-[B]—O—CH.sub.2—R.sup.3; R.sup.3—CH.sub.2—R.sup.4— is represented by R.sup.3—CH.sub.2—O—[C]-[D]-; [A] is represented by Formula (4), [B] is represented by Formula (5), [C] is represented by Formula (6), and [D] is represented by Formula (7)):

##STR00001##

Disclosed herein is a shelf-stable, two-part formula for making an antimicrobial biphasic polymer. Some variations provide a two-part formula for fabricating a biphasic polymer, wherein the two-part formula consists essentially of (A) a first liquid volume, wherein the first liquid volume comprises: a structural phase containing a solid structural polymer; a transport phase containing a solid transport polymer; a chain extender; a curing catalyst; a first solvent; and (B) a second liquid volume that is volumetrically isolated from the first liquid volume, wherein the second liquid volume comprises: a crosslinker that is capable of crosslinking the solid structural polymer with the solid transport polymer; and a second solvent. An antimicrobial agent (e.g., quaternary ammoniums salts) may be contained in the first liquid volume or in the second liquid volume. Methods of making and using the antimicrobial biphasic polymer are described.

The present invention relates to compounds according to formula (Ia) or formula (Ib); ##STR00001##
wherein each W is independently selected from the group consisting of H, F, Cl, Br, I and (CY.sub.2).sub.mCY.sub.3; each Y is independently selected from the group consisting of F, Cl, Br and I; each Z is independently selected from the group consisting of H, OH, (CW.sub.2).sub.pCW.sub.3, CY.sub.3, OCW.sub.3, O(CW.sub.2).sub.pCW.sub.3, OCW((CY.sub.2).sub.mCY.sub.3)CWCW.sub.2, (CW.sub.2).sub.pOH, polyalkylene glycol and polyolester; n is an integer from 2 to 49; m is an integer from 0 to 3; p is an integer from 0 to 9; the molecular weight average (M.sub.W) is ≤5500; and the polydispersity index is ≤1.45; compositions comprising these compounds and methods for their production.

This invention provides a polymer, which is preferably a polyether polymer. The polymer may be uses in coating compositions. Containers and other articles comprising the polymer and methods of making such containers and other articles are also provided. The invention further provides compositions including the polymer (e.g., powder coatings), which have utility in a variety of coating end uses, including, for example, valve and pipe coatings.