An aqueous dispersion comprising a tetrafluoroethylene core-shell polymer and at least one surfactant corresponding to the general formula R.sub.10-[CH.sub.2CH.sub.20].sub.n[R.sub.20].sub.m-R.sub.3 wherein R.sub.1 represents a linear or branched aliphatic hydrocarbon group having at least 8 carbon atoms, preferably 8 to 18 carbon atoms, R2 represents an alkylene having 3 carbon atoms, R3 represents hydrogen, a C1-C3 alkyl group, or a C1-C3 hydroxyalkyl group, n has a value of 0 to 40, m has a value of 0 to 40 and the sum of n+m is at least 2, wherein the dispersion is free of fluorinated emulsifiers or contains them in an amount of less than 50 ppm based on the weight of the dispersion and wherein the core-shell polymer contains an outer shell of tetrafluoroethylene homopolymer. Further provided are methods of making the dispersions, coating compositions comprising the dispersions and article coated by the coating composition.

The invention pertains to a multilayer assembly comprising: (L1) a first inner layer [layer (L1)] made from a first composition [composition (C1)], said composition (C1) comprising: at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE), and at least one Ti compound; and (L2) a second outer layer [layer (L2)] made from a second composition [composition (C2)], said composition (C2) being substantially free from TiO.sub.2-containing additives, said second composition comprising at least one semi-crystalline polymer comprising recurring units derived from ethylene and from at least one fluoromonomer selected from chlorotrifluoroethylene (CTFE), tetrafluoroethylene (TFE) and mixtures thereof, said semi-crystalline polymer having a heat of fusion of at least 35 J/g [polymer (A)].

The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique.

An article manufactured in a mould and which comprises a structural composite of plastics layers, the article having a wall defining an internal space for holding contents therein; wherein, the wall is formed from at least two layers of plastics materials; wherein a first of said layers comprises a thermoplastics material and at least a second layer comprises a thermosetting resin and a fibrous layer.

A multi-layer film structure for use in forming blister packaging. The multi-layer structure includes a first polymeric layer having a first surface and a second surface, the first polymeric layer comprising a metalized polyethylene teraphthalate, a second polymeric layer having a first surface and a second surface, the first surface of the second polymeric layer disposed adjacent the second surface of the first polymeric layer, the second polymeric layer comprising a cyclic olefin or a homopolymer of chlorotrifluoroethylene, and a third polymeric layer having a first surface and a second surface, the first surface of the third polymeric layer disposed adjacent the second surface of the second polymeric layer, the third polymeric layer comprising polypropylene or polyvinyl chloride. A method of making a multi-layer film structure and a packaging structure are also provided.

Optical devices comprising at least one optical layer and at least one antistatic layer disposed on at least one surface of the optical layer wherein the antistatic layer comprises the reaction product of: (a) at least one polymerizable onium salt; and (b) at least one polymerizable, non-onium, silicone or perfluoropolyether moiety-containing monomer, oligomer, or polymer.

The invention concerns an adhesive composition consisting of at least one ethylene polymer or copolymer, said composition comprising at least one unsaturated carboxylic acid ester comonomer, and at least one functional comonomer, useful in an extrusion-coating process for application on a support or in an extrusion-lamination process for bonding together several supports of different type or not, in a wide temperature range. The invention is characterized in that said composition has an unsaturated carboxylic acid ester content higher than 5 wt % and in that the functional comonomer consists of at least one reactive function in the form of an acid group, anhydride or epoxy, whereof the proportion is less than 1 wt % of the composition. Said composition has advantageous uses, in particular for bonding together substrates selected among aluminum, paper or cardboard, cellophane, films based of polyethylene, polypropylene, polyamide, polyester, polyvinyl chloride (PVC), polyvinylidene chloride (PVDC), polyacrylonitrile (PAN) resins, oriented or not, metal-coated or not, physically or chemically treated or not and films coated with a thin inorganic barrier layer, such as polyester (PET, SiOx or AlOx).

Optical devices comprising at least one optical layer and at least one antistatic layer disposed on at least one surface of the optical layer wherein the antistatic layer comprises the reaction product of: (a) at least one polymerizable onium salt; and (b) at least one polymerizable, non-onium, silicone or perfluoropolyether moiety-containing monomer, oligomer, or polymer.

The invention pertains to a composition (C1) comprising: at least one (meth)acrylic modified VDF polymer [polymer (A)] comprising recurring units derived from comprising recurring units derived from vinylidene fluoride (VDF) monomer and at least one hydrophilic (meth)acrylic monomer (MA) of formula (I), wherein each of R1, R2, R3, equal or different from each other, is independently a hydrogen atom or a C.sub.1-C.sub.3 hydrocarbon group, and R.sub.OH is a hydrogen or a C.sub.1-C.sub.5 hydrocarbon moiety comprising at least one hydroxyl group; at least one inorganic UV blocker compound in an amount not exceeding 5% wt, with respect to the weight of polymer (A), to multilayer assemblies comprising one layer made from said composition (C1), to a method for manufacturing said multilayer assemblies and to the use of the same in different field of use, including protection of PV modules. ##STR00001##

An electrical steel sheet (10) is provided with a base iron (1) and an insulating film (2) formed on a surface of the base iron (1). The insulating film (2) contains: a first component: 100 parts by mass, the first component containing: a metal phosphate: 100 parts by mass; and one kind selected from a group consisting of an acrylic resin, an epoxy resin and a polyester resin which have an average particle size of 0.05 μm to 0.50 μm, or a mixture or copolymer of two or three kinds selected from the group: 1 part by mass to 50 parts by mass; and a second component composed of dispersion or powder of a fluorine resin having an average particle size of 0.05 μm to 0.35 μm: 0.5 parts by mass to 10 parts by mass.