Abstract:
Process for depositing by electrografting a strong adherent polymer coating onto an electrically conductive surface comprising an electrochemical grafting at the surface of an active monomer for forming a primer coating P onto said surface and having as general formula: X0 (meth)acrylate wherein X is either part of a preformed polymer or is an intermediate agent for polyaddition reaction or is an anchoring group for attachment of a molecule having at least one complementary reactive group. Such process allows formation of new primer by one-step electro-grafting of a reactive polymer called macromonomer. Such process also allows further modification of an initial electrografted polymer (called primer coating) to increase the coating thickness by the so-called grafting-from technique i.e. polymerization of a second monomer or to introduce other types of polymers(also called top coating) via covalent attachment between the primer and the top coating through the X ester group by the so called grafting onto technique. Such process also allows to graft onto the primer coating compounds like functional polymer, peptide, protein, oligonucleotide, dyes, drugs, anti-bacterian compounds.
Abstract:
The invention discloses an adhesion agent composition comprising at least one C3-C200 olefin compound having at least one metathesis active double bond, wherein the olefin is substituted or unsubstituted; and at least one compatibilizing functionality for interacting with a substrate surface. The substrate surface can be any surface, for example, silicate glasses, silicate minerals, metals, metal alloys, ceramics, natural stones, plastics, carbon, silicon, and semiconductors. The invention also discloses articles of manufacture utilizing these adhesion agents as well as methods for adhering a polyolefin to a substrate surface.
Abstract:
The invention relates to a method for producing an aqueous dispersion of particles (composite particles) that are made up of polymers and inorganic solid matter which consist of fine particles. A mixture of ethylenically unsaturated monomers is dispersely distributed in an aqueous medium and is polymerised according to the method of the radical aqueous emulsion polymerisation in the presence of at least one dispersely distributed inorganic solid matter which consists of fine particles and at least one dispersing means using at least one radical polymerisation initiator.
Abstract:
The invention relates to a method for producing an aqueous dispersion of composite particles made up of polymerisate and fine inorganic solid material. According to said method, at least one ethylenically unsaturated monomer is dispersed in an aqueous medium and polymerised using at least one radical polymerisation initiator, in the presence of at least one dispersed, fine inorganic solid material and at least one dispersing agent, according to the radical aqueous emulsion polymerisation method.