	US 11,851,566 B2
	Process for preparing compounds for tyres and tyres comprising them
Antonio Susanna, Milan (IT); Raffaella Donetti, Milan (IT); Thomas Hanel, Milan (IT); Roberto Scotti, Milan (IT); Barbara Di Credico, Milan (IT); Silvia Mostoni, Milan (IT); and Massimiliano D'Arienzo, Milan (IT)
Assigned to PIRELLI TYRE S.p.A., Milan (IT)
Appl. No. 17/296,064
Filed by Pirelli Tyre S.p.A., Milan (IT)
PCT Filed Nov. 27, 2019, PCT No. PCT/IB2019/060223 § 371(c)(1), (2) Date May 21, 2021, PCT Pub. No. WO2020/110023, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 102018000010654 (IT), filed on Nov. 28, 2018.
Prior Publication US 2022/0010104 A1, Jan. 13, 2022
Int. Cl. C08L 9/00 (2006.01); C09C 1/30 (2006.01); C09C 3/12 (2006.01); B60C 1/00 (2006.01)

CPC C08L 9/00 (2013.01) [B60C 1/00 (2013.01); C09C 1/3081 (2013.01); C09C 3/12 (2013.01); C01P 2002/82 (2013.01); C01P 2002/85 (2013.01); C01P 2002/86 (2013.01); C01P 2002/88 (2013.01); C08L 2312/00 (2013.01)]

15 Claims

1. A compound represented by the following formula (II):

CB-O-ROS-GC-Zn (II)

wherein CB represents the white filler, O represents one or more oxygen bridge bonds, ROS represents an organo-silane residue, GC represents one or more coordinating groups forming a chelate with zinc in ionic form, and Zn represents zinc in ionic form coordinated with the coordinating groups, wherein said coordinating groups GC are linear, branched or cyclic alkyl chains, comprising one or more heteroatoms inside or at the end of the alkyl chain.