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Process for producing regenerated rubber

A technology of recycled rubber and production technology, which is applied in the direction of mechanical material recycling, plastic recycling, recycling technology, etc. It can solve the problems of product quality cannot be improved, environmental pollution, foul smell, etc., and achieve safe material retrieving and operation, and no environmental pollution , Improve the effect of rubber quality

Pending Publication Date: 2017-06-09
周宝龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, reclaimed rubber manufacturers in my country generally use ordinary rubber materials for mixed use, so that the product quality cannot be improved.
Due to the use of coal tar as a softener in the production process of reclaimed rubber, there is a strong stench in the production site, which has great pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A production process of regenerated rubber of the present invention comprises the following steps: firstly, the waste rubber is selected, crushed by a crusher, and the fineness of the crushed rubber reaches 40 mesh, and then the crushed rubber is placed in a vulcanization pool for Desulfurization, adding additives, the additives are vegetable oil asphalt, softener and activator, heating continuously while stirring, the temperature is 300 ℃, the rubber after desulfurization is cooled in the cooling tower, and the cooled rubber in the pressing equipment The refining machine and the open mill are used to compress the tablets to make recycled rubber products.

Embodiment 2

[0019] A production process of reclaimed rubber according to the present invention comprises the following steps: firstly select the waste rubber, crush it with a crusher, the fineness of the crushed rubber reaches 35 mesh, and then place the crushed rubber in a vulcanization pool for Desulfurization, adding additives, the additives are vegetable oil asphalt, softener and activator, heating continuously while stirring, the temperature is 350 ℃, the rubber after desulfurization is cooled in the cooling tower, and the cooled rubber in the pressing equipment The refining machine and the open mill are used to compress the tablets to make recycled rubber products.

Embodiment 3

[0021] A production process of reclaimed rubber according to the present invention comprises the following steps: first, select the waste rubber, crush it with a crusher, the fineness of the crushed rubber reaches 30 mesh, and then place the crushed rubber in a vulcanization pool for Desulfurization, adding additives, the additives are vegetable oil asphalt, softener and activator, heating continuously while stirring, the temperature is 400 ℃, the rubber after desulfurization is cooled in the cooling tower, and the cooled rubber in the pressing equipment The refining machine and the open mill are used to compress the tablets to make recycled rubber products.

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Abstract

The invention discloses a process for producing regenerated rubber. The process comprises the following steps: selecting waste rubber, and crushing the rubber by utilizing a crusher; devulcanizing the crushed rubber in a vulcanization pool, adding assistants, continuously heating while stirring, cooling the devulcanized rubber in a cooling tower, pressing and discharging the cooled rubber through a refiner and an open mill in rubber pressing equipment, thereby obtaining the finished regenerated rubber. Compared with the prior art, the process disclosed by the invention has the following advantages that the linear molecular chain of the rubber is not damaged, material selection and operation are safe and environment-friendly, odor is avoided, the petroleum resources are saved, the rubber quality is improved, the environmental pollution is avoided, the equipment requirement on production is reduced, the production cost is reduced, and the obtained product is high in wear resistance and high in quality.

Description

technical field [0001] The invention relates to a production process of regenerated rubber. Background technique [0002] Regenerated rubber is through physical desulfurization (i.e. decomposition, crushing) and chemical desulfurization (softening and activation under high temperature and high pressure) of waste rubber products such as tires to destroy the macromolecular network cross-linked structure in rubber products into single-chain Small molecular machinery that transforms elastomers into processable viscoelastics. [0003] Due to the shortage of international oil resources, the prices of various types of rubber are constantly rising. Therefore, rational use of renewable resources and reduction of production costs will be an inevitable choice. [0004] In the next few years, the shortage of rubber resources will continue to trouble countries all over the world. my country has also formulated a strategy for the development of circular economy, so the reuse of rubber re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J11/10C08L17/00B29B17/04
CPCB29B17/04C08J11/10C08J2317/00Y02W30/52Y02W30/62
Inventor 周宝龙
Owner 周宝龙
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