Lanxess Elastomers B.V. | Date: 2012-03-29
The invention relates to a catalyst system for the polymerization of olefms comprising a metal complex of formula and an activating cocatalyst, wherein M is titanium, Cy is a cyclopentadienyl-type ligand, D is a diene, L is a guanidinate-containing ligand of the formula wherein each A is independently selected from nitrogen or phosphorous and R, R
LANXESS Elastomers B.V. | Date: 2014-05-07
A metal complex of the formula (1) wherein the amidine-containing ligand is covalently bonded to the metal M via the imine nitrogen atom, and Sub1 is a substituent comprising a group 14 atom through which Sub1 is bonded to the imine carbon atom and Sub2 is a substituent comprising a heteroatom of group 15, through which Sub2 is bonded to the imine carbon atom; X is an allyl borate ligand derived from a conjugated diene ligand, D, and a borane, B and L is a neutral Lewis basic ligand wherein the number of said metal ligands n is in the range of 1 to the amount that specifies the 18-electron rule.
LANXESS Corporation and LANXESS Elastomers B.V. | Date: 2014-10-22
A process for measuring the friability of a material, such as a polymer bale, may include measuring the amount of force required to break-up a portion of the material. A corresponding testing apparatus for measuring the friability may include a device configured for breaking-up the portion of the material and measuring the force required to cause the break-up to occur.
Lanxess Elastomers B.V. | Date: 2010-12-21
The invention relates to a catalyst system for the polymerization of olefins comprising a metal complex of formula CyLMD and an activating cocatalyst, wherein: M is titanium; Cy is a cyclopentadienyl-type ligand; D is a diene; L is an amidinate-containing ligand of formula (1), wherein the amidinate-containing ligand is covalently bonded to the titanium via the imine nitrogen atom, Sub, is a substituent, which comprises a group 14 atom through which Sub
LANXESS Elastomers B.V. | Date: 2011-09-23
The invention is related to an elastomer composition comprising an elastomeric polymer comprising ethylene and -olefin derived units, a curing package and a blowing agent wherein the blowing agent comprises a compound containing water of crystallization. The invention also relates to a process for the manufacture of a foamed article comprising the steps of preparing an elastomeric composition, shaping, foaming and curing the elastomeric composition. The invention further relates to a foamed article.