A thermoplastic molding composition suitable for making articles having good combination of properties is disclosed. The composition contains (A) a copolycarbonate derived from compounds of formula (I) ##STR1## wherein R.sup.1 to R.sup.4 independently of one another represent H, C.sub.1 -C.sub.4 -alkyl, phenyl, substituted phenyl or halogen, and compounds of formula (II) ##STR2## wherein R.sup.5 to R.sup.8 independently of the others denote H, CH.sub.3, Cl or Br and X is C.sub.1 -C.sub.5 -alkyle...

A fuel additive composition containing ethanol, n-propanol or mixtures thereof together with a non-hydroxy fatty acid and organic ester is described. A miscible fuel blend composition containing the fuel additive composition and diesel oil, gas oil or a mixture thereof, as well as a process for preparing the fuel blend composition is also described.

a) from 50 to 85% by weight of a copolymer of propylene (A) with 1-alkenes comprising from 20 to 80% by weight of a high molecular weight copolymer of propylene (I) containing from 2.0 to 7.0% by weight of copolymerized 1-alkene and having a viscosity of from 500 to 1200 ml/g and from 20 to 80% by weight of a low molecular weight copolymer of propylene (II) containing from 4.0 to 10.0% by weight of copolymerized 1-alkene and having a viscosity of from 200 to 450 ml/g, b) from 5 to 10% by weight ...

Halide polymers such as polyvinyl chloride and polyamides melt blended at a polyamide to halide polymer weight ratio of about 1.5:1 to about 2:1 with an effective amount of a carboxyl and/or CO-functional ethylene polymer to compatibilize the halide polymer and polyamide exhibit superior chemical resistance.

A polymer blend comprises a polyketone and a high density polyethylene (HDPE) optionally grafted with at least one polymerisable ethylenically unsaturated carboxylic acid or derivative thereof. Such blends have good barrier properties and are suitable for packaging applications.

A polymer blend comprised of a polyketone and linear low density polyethylene (LLDPE). The blend is suitable for use with foodstuffs and liquid hydrocarbons. In a preferred form of the invention, the polyketone has an alternating structure of (a) units derived from carbon monoxide and (b) units derived from one or more olefinically unsaturated compounds.

A novel lubrication blend useful per se as a lubricant or as an additive to form a novel lubricant composition. The lubrication blend consists essentially of a mixture of: (1) at least one complex sulfide of antimony, represented by the formula: wherein, x is a number in the range from about 1.7 to about 2.3, and y is a number in the range from about 3.6 to about 4.4, (2) at least one antimony oxide, and (3) at least one lamellar crystalline solid lubricant.

Novel copolymer blends comprising (a) a copolymer of alkenyl aromatic monomers containing from about 10 to about 70 percent by weight of an isopropenyl aromatic monomer, (b) a block copolymer of polystyrene blocks and conjugated diene blocks containing from about 50 to about 80 weight percent conjugated diene, and (c) 15 to 50 weight percent of a semicrystalline polyolefin.

Novel copolymer blends comprising (a) a copolymer of alkenyl aromatic monomers containing from about 10 to about 70 percent by weight of an isopropenyl aromatic monomer, (b) a block copolymer of polystyrene blocks and conjugated diene blocks containing from about 15 to about 50 weight percent conjugated diene, (c) a block copolymer of polystyrene and conjugated diene blocks containing from about 55 to about 80 weight percent conjugated diene, and (d) 15 to 50 weight percent of a semicrystalline ...

A moldable and compatible blend of 5 to 95 weight percent polycarbonate comprising from about 20 weight percent to 100 weight percent of repeating units (I) having the formula ##STR1## and from 0 weight percent to about 80 weight percent of repeating units (II) having the formula ##STR2## in which the repeating units (I) and the repeating units (II) are connected by interbonding units (III) having the formula ##STR3## wherein Y is selected from alkyl groups of 1 to 4 carbon atoms, chlorine or br...