Paints composition

By depolymerizing PET waste with a polyol and subsequently condensing the oligomeric product with a polycarboxylic acid or anhydride, polyester resins are produced which have wide industrial applications. Depending on the polyol and polycarboxylic acid or anhydride used, saturated resins, alkyd resins, or unsaturated resins are obtained. PET wastes have been used for the production of alkyd resins in water thinnable paints. The materials obtained from the reaction of PET with a mixture of fatty acids high in linoleic acid content and trimethylolethane have been used in the preparation of water-dispersible coatings. Products of the depolymerization of PET with trimethylolpropane and pentaerythritol are used in the manufacture of high-solids paints. In the first step, PET is depolymerized with trimethylopropane and pentaerythritol at temperatures of 230-240°C. The final paint compositions contain 30-50% of PET depolymerization products.12... 

Lead-VI-chromate forms yellow to orange-yellow crystals, with a melting point 844 Celsius. The chromate is highly insoluble in water, and all solvents however, it is soluble in sodium hydroxide or potassium hydroxide solutions, and in dilute nitric acid. Lead chromate is widely used in pigments, and in paint compositions. 

The conception of a new paint composition, having additives to make the paint more durable, does not have to detail the final concentration of the resin and the particular identity of all the solvents if a paint chemist of ordinary skill in the art is able to formulate the composition without extensive research or experimentation. ... 

Damping Behavior of Silent Paint . The damping behavior of a typical "Silent Paint" composition, cross-polv(ethyl methacrylate)-inter-cross-poly(n-butyl acrylate) 25/75, constrained with epoxy resin, was then compared with several commercial materials as a function of temperature. Figure 3. The "Silent Paint" composition, curve A, damped effectively over a broad temperature range whereas the commercial materials, curves B and C [poly (vinyl acetate) ], and D, E, and F, of various compositions, damped effectively over narrower temperature ranges. 

JAP(K)64483), and rust-inhibiting paint compositions (85JAP(K)28465). 

A novel nonisocyanate polyurethane binder for monolithic flooring and industrial paint compositions was produced on an industrial scale [34], The two component binders have unique properties that combine the best mechanical properties of polyurethane and the chemical resistance of epoxy binders [35,36], The polyurethane binders do not present health hazards because they do not consist of isocyanate... 

Certain difficulties are connected with the realization of the above idea. Being surfactants or oxidizers in their essence, Cl are able to interact with film-forming substances and lose their protective properties, forming undesirable side products that are hostile to the metal substrate, can initiate gelation and so on. This is why, for optimum matching of each Cl-paint composition pair, the choice is made on a case-study basis, taking account of technical and economic criteria and is usually at the level of know-how. For modification of paint coats water and oil-soluble Cl are commonly employed. 

It has been established by express tests that the introduction of chromate inhibitors at amounts below 3 wt% amounts in alkyd paint compositions does not improve their anticorrosion properties as compared to non-inhibited coatings. 

The solvents in the as-supplied alkyd resin solutions and in the paint composition represent a potential hazard due to their (eco)toxicological effects and flammability. Manufacturers and suppliers of resin solutions and paints must indicate the potential dangers involved in the handling, transportation, and storage of solvents by labeling drums and containers according to national and international regulations. 

Notes (a) Test specimens 3 mm thick, 35% wt glass (b) increasing glass content or laminate thickness will further improve the fire properties (c) unless otherwise indicated, performance applies to unpainted or painted composites. 

Loss in weight of each species was measured by washing the samples with ultra-pure water after 750 h and removing loosen material from species and then drying was carried in oven at 60 0 C ( 1) out to obtain equilibrium weight by removing moisture present at surface of species because of washing. Electrochemical corrosion potential i.e. Tafel plot analysis (log I vs. E) of 0%,2%,4% (wt% of total paint composition) ZMP nanocontainer coated plate of M.S and was carried out in 5 % NaCl solution as an electrolyte at room temperature (25 oC) and this characterization was performed on computerized electrochemical analyzer (supplied by Autolab Instruments, Netherlands). 

Additives are minor components in the paint composition and, in general, each one of these products represents no more than 2% of the total volume of the formulation. However, they are important in order to achieve specific properties of the paint. 

For process control, analytical techniques such as vibrational spectroscopies, which provide information about paint composition, are important based on (1) the popularization of FT instruments, with a better signal-to-noise ratio and fast data acquisition speed (2) reflectance techniques (total attenuated and diffuse), photoacoustic spectroscopy, and the development of optical fiber-based devices that provide easy spectrometric measurements on crude samples (3) vapor-phase generation coupled with FTIR for fast analysis of the volatile paint fractions ... 

Miller, R. E. Dereamus, R. C. Color changing systems using pan paint compositions and markers. US Patent 5498282, 1996 Chem. Abstr. 1996,124, 346248. 

Machii, Y Hirano, M. Paint composition. Jpn. Kokai Tokkyo Koho JP 2006090971, 2006 Chem. Abstr. 2006,144, 362266. 

Sabnis, R. W. Kehoe, X. D. Balchunis, R. J. Paint compositions comprising color changing phthalein acid-base indicator. PCX Int. Appl. WO 2006105191, 2006 Chem. Abstr. 2006,145,403489. 

Sakai, N. Fujimori, E. Sakaniwa, S. Ishii, K. Colored metallic paint compositions and painted objects. PCX Int. Appl. WO 9731983, 1997 Chem. Abstr. 1997,127, 249476. 

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