公开(公告)号：US20220196097A1

公开(公告)日：2022-06-23

申请号：US17694156

申请日：2022-03-14

Applicant: ITT Italia S.r.I

Inventor： Agustin Sin Xicola ,  Luca Martinotto ,  Paolo Galimberti

IPC: F16D69/02

Abstract: An asbestos-free friction material includes inorganic and/or organic and/or metallic fibers, at least one binder, at least one friction modifier or lubricant, at least one filler or abrasive and a carbonaceous material constituted by a microstructure. The microstructure is in the form of flakes or scales of micrometric planar dimensions and of nanometric thickness consisting of a substantially pure graphene mono- or multilayers, preferably pre-blended with at least part of the organic binder.

公开(公告)号：US20230067524A1

公开(公告)日：2023-03-02

申请号：US17794238

申请日：2021-01-20

Applicant: ITT Italia S.r.I.

Inventor： Agustin Sin Xicola ,  Francesco Vannucci ,  Paolo Colombo ,  Alberto Conte ,  Luca Martinotto

IPC: F16D69/02 ,  F16D65/092 ,  B28B1/14 ,  B28B1/52 ,  B28B11/24

Abstract: Method for producing a friction material, including the following steps in sequence: mixing an aluminosilicate source with an alkaline silicate solution to form a geopolymer, adding a friction mix to the geopolymer solution of the previous step to obtain a slurry, casting the slurry in a mold at temperature between room temperature and 120° C. and for between 5 min and 2 h and demolding to obtain a pad, attaching a backplate to the pad, curing for a time between X and Y hours at a temperature of between X and Y. The friction material obtained with the method is for the manufacture of friction layers/blocks for friction elements such as braking elements, including vehicle brake pads or blocks, and/or friction discs.