Layered double hydroxide catalyst supports

Applications: Polymerisation, Catalyst, Catalyst Support, Layered Double Hydroxide

Oxford scientists have developed novel layered double hydroxide (LDH) catalyst supports for use in polymerisation reactions.

Features	Benefits
Synthesis of SiO₂ – LDH catalyst support	Growth of hydrophobic LDH platelets on the outer surface of an amorphous silica particle Synergistic system where activities exceed that of silica or LDH alone
SiO₂ – LDH has unique core-shell structure for catalyst support	Demonstrated on polymerisation catalysts, in particular metallocenes, and in production of polymers, in particular polyethylene Suitable for slurry or gas-phase processes Provides morphological control which can be readily tailored More active support than conventional silica supports
Synthesis of novel mixed metal LDH metallocene support compositions	Suitable for supporting a polymerisation catalyst Alternative to classical polyethylene catalysts such as Ziegler-Natta and Phillips systems
Novel mixed metal LDH metallocene support offers Tailored polymerisation of olefins (especially bimodal polyethylene)	Capable of affording a multimodal polyolefin Catalyst support can tune the Molecular Weight Distribution (MDW) of a polyolefin Uses single olefin polymerisation catalyst

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