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3 results about "Addition polymer" patented technology
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An addition polymer is a polymer that forms by simple linking of monomers without the co-generation of other products. Addition polymerization differs from condensation polymerization, which does co-generate a product, usually water. Addition polymers can be formed by chain polymerization, when the polymer is formed by the sequential addition of monomer units to an active site in a chain reaction, or by polyaddition, when the polymer is formed by addition reactions between species of all degrees of polymerization. Addition polymers are formed by the addition of some simple monomer units repeatedly. Generally polymers are unsaturated compounds like alkenes, alkalines etc. The addition polymerization mainly takes place in free radical mechanism. The free radical mechanism of addition polymerization completed by three steps i.e. Initiation of free radical, Chain propagation, Termination of chain.
Toner for developing electrostatic images
To provide a toner for electrostatic image development that offers excellent resistance to hot offset and durability. [Solution] A toner for developing electrostatic images, comprising toner particles containing a binder resin and a release agent, The amorphous composite resin A comprises a polyester resin segment which is a polycondensate of an alcohol component and a carboxylic acid component, and a polymethacrylate ester resin segment which is an addition polymer of raw material monomers containing a methacrylate ester. A toner for developing electrostatic images, wherein the release agent contains ester wax.
Owner:KAO CORP
High-solids curable film-forming compositions and methods of improving appearance of coatings containing effect pigments
High solids curable film-forming compositions and coating kits are provided, comprising: (a) a polyisocyanate curing agent; and (b) a film-forming component comprising at least one of (i) a secondary-hydroxyl functional (meth)acrylic polyol having pendant ester functional groups and a weight average molecular weight of 4000 to 8000; and (ii) a reactive constituent comprising: (1) a polymeric polyol comprising a polyester polyol and / or an addition polymer that is different from (i); and (2) an organic medium comprising a hydrophobic and / or sterically hindered reactive diluent having hydroxyl functional groups. Alternatively, the film-forming component (b) comprises the secondary-hydroxyl functional (meth)acrylic polyol (i) and optionally at least one of (1) and (2) above. The (meth)acrylic polyol comprises 20 to 35 percent by weight residues of an epoxy functional ethylenically unsaturated monomer. Methods of improving appearance of an effect pigment-containing coating layer on a substrate are also provided.
Owner:PPG INDUSTRIES OHIO INC