According to the financial news on June 21, 2024, the intellectual property information of Tian-Eye Inspection shows that Cylon Group Co., Ltd. applied for a project entitled "Zinc-free rubber composition, tread rubber and its preparation method and application", with the public number CN202410275504.8, and the application date is March 2024.

The patent abstract shows that the invention provides a zinc-free rubber composition, tread rubber and a preparation method and application thereof. The rubber composition comprises: diene rubber, antioxidant, reinforcing function filler, vulcanization system reagent, wherein diene rubber includes special diene rubber, the chemical structural formula of special diene rubber contains branched chain and/or side group, and the branched chain and/or side group contains alkenyl double bond and/or aromatic group. The rubber composition using a certain proportion of special diene rubber can obtain the crosslinking density, hardness, constant elongation stress, hysteresis and other properties of the rubber composition with zinc without zinc, and meet the requirements of tire performance. The preparation of tread rubber using the zinc-free rubber composition of the application can be carried out by a mature method with high safety.