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Meridian tyre belted layer component and preparation technology thereof

A radial tire and belt layer technology, applied to tire parts, reinforcement layers of pneumatic tires, special tires, etc., can solve the impact of tire quality stability and use safety, steel cord leakage or deviation or deformation , Increase the amount of raw materials and the thickness of parts, etc., to reduce adverse effects, reduce deformation or movement, and save raw materials

Inactive Publication Date: 2009-12-30
BEIJING RADIATION APPL RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the traditional tire manufacturing process, each component of the tire is required to maintain precise shape and size, while the belt layer will be deformed during processing, transportation, molding and final vulcanization, and there will be leakage or deviation of steel cords Or deformed, it is easy to cause early delamination or bursting of the tire during use, making the tire lose its use value
In order to avoid the displacement of the steel cord and the deformation of the belt layer, the conventional solution is to increase the amount of rubber covering the belt layer, which will inevitably increase the amount of raw materials and the thickness of the part, resulting in a direct impact on the stability of tire quality and safety in use. influences

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Radial tire belt component composition formula: natural rubber 100, zinc oxide 5, stearic acid 1, easy-mixing tank black (S300) 15, high wear-resistant furnace black (N326) 35, anti-aging agent (4010NA) 1, anti-aging Agent (RD) 1.5, paraffin wax 1, cobalt naphthenate 3, binder (A) 2, RE resin 2, silica 10, aromatic oil 4, oil-extended insoluble sulfur (IS-7020) 4, accelerator ( DZ) 1, Accelerator (DM) 1.5.

[0026]According to the above formula, use an internal mixer to mix 100 parts of base rubber, 30 parts of reinforcement system, 2.5 parts of anti-aging system, 17 parts of adhesive system and 4 parts of softener. The mixing speed is 40r / min. The temperature is 90°C, and the mixing time is 10 minutes. After the rubber is mixed evenly, the glue is discharged to complete the first stage of mixing; the second stage of mixing is to mix the first stage of compounded rubber with the remaining reinforcement in the internal mixer. System and carry out mixing. The mixing spee...

Embodiment 2

[0029] Radial tire belt component composition formula: natural rubber 100, zinc oxide 5, stearic acid 1, easy-mixing tank black (S300) 15, high wear-resistant furnace black (N326) 35, anti-aging agent (4010NA) 1, anti-aging Agent (RD) 1.5, paraffin wax 1, cobalt naphthenate 3, binder (A) 2, RE resin 2, silica 10, aromatic oil 4, oil-extended insoluble sulfur (IS-7020) 3.6, accelerator ( DZ) 0.9, Accelerator (DM) 1.2.

[0030] The rubber material mixing process, the belt layer component calendering preparation process, and the radiation pretreatment process are the same as in Example 1.

[0031] In Example 2, by adjusting the vulcanization system of the belt layer composition, after the radiation pretreatment, through product performance testing, it is proved that the use of radiation pretreatment technology to carry out pre-vulcanization of the belt layer components, in addition to significantly improving the product In addition to the quality of the vulcanizate, it can also ...

Embodiment 3

[0033] Radial tire belt component composition formula: natural rubber 100, zinc oxide 5, stearic acid 1, easy-mixing tank black (S300) 15, high wear-resistant furnace black (N326) 35, anti-aging agent (4010NA) 1, anti-aging Agent (RD) 1.5, paraffin wax 1, cobalt naphthenate 3, binder (A) 2, RE resin 2, silica 10, aromatic oil 4, oil-extended insoluble sulfur (IS-7020) 4, accelerator ( DZ) 1, accelerator (DM) 1.5, triallyl isocyanurate (TAIC) 5.

[0034] The rubber material mixing process and the rubber-coated calendering preparation process of the belt layer parts are the same as in Example 1. In the radiation pretreatment process, the belt layer sheet is fixed on the transmission device under the constant tension beam under the electron accelerator for uniform radiation treatment The beam energy of the electron accelerator is 0.8MeV, the beam intensity is 5mA, the scanning width of the electron beam is 0.6 meters, the radiation absorption dose of the belt layer sheet is selec...

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Abstract

The invention discloses a meridian tyre belted layer component and a preparation technology thereof. Base material rubber, an aging-proof system, a reinforcing system, an adhesion system, a softener, a vulcanization system and a radiosensitizer are mixed at a ratio to form a mixture; the mixture is performed with three-stage mixing to prepare mixed rubber; a steel wire tire cord is made into a meridian tyre belted layer component by coating and calendaring; on a transmission device below a constant tension traction beam below an electron accelcrator, the tyre belted layer component is performed with radiation processing by adjusting the beam current energy of the electron accelcrator; under the condition of limited-oxygen radiation, the preparation of the meridian tyre belted layer component is finished. The radiated belted layer glue stock of the invention has high Green strength, stable structure size and performance, lowered belted layer thickness, small amount of rubber, high production efficiency and energy saving, lowers investment cost and protection cost, is favourable for environment protection, and can improve the quality of meridian tyres.

Description

Technical field [0001] The invention relates to the technical field of rubber tire manufacturing, in particular to a radial tire belt part and a preparation process. technical background [0002] With the rapid development of the automobile industry and the transportation industry, various high-performance auto parts are urgently needed to match them. As an important component of automobiles, automobile tires are also the leading products of the rubber industry, and have always attracted people's attention. In recent years, with the rapid development of the national economy, tire manufacturing enterprises have accelerated the development process in terms of product structure and technical equipment through technological innovation and improvement. Cars, mini-cars and trucks have begun to use radial tires to improve tire comfort. Performance, environmental protection, durability, safety and fuel economy, in order to improve the handling performance of the car, the radializat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/00C08L9/06C08L47/00B60C1/00B60C9/00
CPCY02T10/862
Inventor 矫阳陆永俊康兴川王连才刘江伟郭振涛李淑凤鲍矛宋卫群张艳霞
Owner BEIJING RADIATION APPL RES CENT
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