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Good plasticization involves interspersing plasticizer molecules between PVC chains, breaking the small amount of native PVC crystallinity, and internally lubricating the polymer blend. While there is no formal chemical bond between plasticizer and polymer, the polar attraction between them makes plasticized PVC more than a simple physical mixture.

In oceans the HCl might be removed by the moving water and also neutralized by the cations existing in the alkaline medium (pH ~ 8). To increase stability, 1 to 5% of additives based on transition metals, such as salts, derivatives and complexes of Pb, Zn, Cd and Sn are commonly employed . In order to get a more flexible PVC, plasticizers based

In basic terms, LD 50 is the dose that causes half the animals in a toxicological study to die. Figure 1 shows the LD 50 of phthalates and the alternatives generally lie somewhere between that of sugar and salt. The bigger the bar, the less toxic it is. All of the phthalates and the alternatives are above the levels considered to be acutely toxic.

Flexricin P-8 Ester: Glyceryl tri (acetyl ricinoleate) is a very efficient plasticizer having low volatility, excellent electrical properties, extrusion lubricity and heat stability. Used in vinyl wire jacketing, semi-rigid vinyls, and flexible nitrocellulose lacquers. Lubricin N-1 Ester: A highly refined methyl ricinoleate for lubricating oils

D.O.T.P is a terephthalate plasticizer and has a very different structure in structure as seen from its open formulas from orthoftalate esters such as D.O.P, D.I.O.P, D.I.N.P, D.I.D.P. This branched structure of D.O.T.P provides D.O.T.P many excellent features not found in other plasticizers.Dop Production Plant FLYING OF PLASTICIZERS