Second-order decorative pattern polyurethane film-rubber composite tire and molding process thereof

Abstract

The invention discloses a second-order decorative pattern polyurethane film-rubber composite tire and a molding process thereof. A layer of polyurethane film with second-order decorative patterns is adhered to a tire face of the rubber tire, a second-order decorative pattern polyurethane film is fitted with the tire face of the rubber tire through an adhesive agent, and the polyurethane-rubber composite tire is manufactured trough co-vulcanization technological operation. A cone-shape through hole and a meshing tooth groove on the end portion on the polyurethane film increase soundness of fitting, the second-order decorative pattern polyurethane film is evenly and firmly attached to a tire face decorative pattern block and a decorative pattern groove, abrasive resistance of the tire is improved on the basis of guaranteeing performance of the existing tire face decorative patterns, a new performance is given to the tire, polyurethane materials are fully used, materials are saved, and cost is reduced. The second-order decorative pattern polyurethane film-rubber tire composite molding process can be achieved on machine shaping equipment of the existing tire, can synchronously complete the machine shaping with the rubber tire, consumes no extra time, and has the advantages of being simple in process, small in time consumption, high in production efficiency and the like.

Description

technical field [0001] The invention relates to a rubber-plastic composite tire and its molding process, more specifically to a second-order pattern polyurethane film-rubber composite tire and its molding process. Background technique [0002] The tire is one of the important parts of the car. It directly contacts the road surface, supports the load, and transmits power, driving force and steering force to the ground. Therefore, the wear of the traditional rubber tread is very serious, which directly affects the mileage and service life of the tire. Caused "black pollution". Even after formula modification, the improvement of its wear resistance is still very limited, and some added substances have serious pollution to the environment. [0003] Along with the strengthening of people's awareness of environmental protection, people begin to pay attention to the use of materials that do not pollute the environment to make tires, and strive to improve the wear resistance of tir...

AI Technical Summary

Problems solved by technology

This method obtains tire products by pouring PU tread, and the molding process is complex and time-consuming; there are still some problems in the obtained polyurethane tread-rubber carcass composite tire: for example, the adhesive layer should be the same as that of ordinary tires. 4-10 times, when the tire is inflated and loaded, the adhesive layer is easy to lose air under the action of periodic compression and shear force, which will affect the service life and driving safety of the tire

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