| abstract |
A process for the preparation of polyolefin nanocomposites which comprises molten mixtures between 120 and 290 ° C with a mixture of a) a poliefine, b) a filler which is a natural or synthetic phyllosilicate or a mixture of such phyllosilicates, or a laminated hydrocarbonate of the general formula III or IIIa M 2+ 1-x · M 3+ x · (OH) 2 · (A y-) x / y · pH2O (III) Ma 2+ x · Al2 · (OH ) 2x + 6yz · (Aa ya-) 2 · p'H2O (IIIa) where M 2+ = Mg, Ca, Sr, Zn, Sn and / or Ni, Ma 2+ is at least one series metal consisting of Mg and Zn, M 3+ = Al, B or Bi, A y- is an anion that has valence and y is a number from 1 to 4, Aa ya- is an anion that has valence ya, x is a number of 0 to 0.5 and p is a number from 0 to 20, p 'is a positive number from 0.5 to 15, x' that goes from 2 to 6 and z that goes from a positive number less than 2; and c) is a non-ionic surfactant which is a sorbitan ester, a block dimethylsiloxane-ethylene oxide compolymer, a copolymer of poly (methyl methacrylate) -block-poly (oxyethylene) or a compound of the formula I wherein m is 1 or 2, n is 1 or 2, x is greater than or equal to 1, and is greater than or equal to 1, z is greater than or equal to 0, and R1 is hydrogen or C1-C25 alkyl, characterized by that the filler (b) has not been preinterleaved |