Sabic Innovative Plastics IP B.v.

Sabic Global Technologies B.v.

Vivek Vasant Karambelkar

Veeraraghavan Srinivasan

Radha Kamalakaran

A poly(arylene ether)-polysiloxane multiblock copolymer is prepared by the reaction of a hydroxy-diterminated poly(arylene ether), a hydroxyaryl-diterminated polysiloxane, and an aromatic diacid chloride. This synthesis overcomes disadvantages of known syntheses of poly(arylene ether)-polysiloxane block copolymers. The poly(arylene ether)-polysiloxane multiblock copolymer is useful for improving the melt processability of poly(arylene ether) compositions.

Methods for the preparation of a poly(arylene ether) polysiloxane multiblock copolymer, multiblock copolymers produced thereby, and associated compositions and articles

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Karnataka, India

Vivek Vasant Karambelkar