Method for producing environment-friendly type regenerated rubber
A technology for reclaimed rubber and production methods, applied in the direction of plastic recycling, recycling technology, etc., can solve problems such as pollution and environmental pollution, and achieve the effects of reasonable method, little environmental pollution, and simple process
Inactive Publication Date: 2008-08-06
KUNMING PHOENIX RUBBERS
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AI Technical Summary
Problems solved by technology
Due to the use of coal tar in this method, it will cause environmental pollution in the production process, and the exhaust gas contains harmful gases such as toxic and carcinogenic benzene and toluene, and these harmful components will continue in the production and transportation of rubber products. create pollution
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0012] The production method of environment-friendly type regenerated rubber is made up of the following steps:
[0013] a. Cleaning, removing impurities, crushing, coarsely crushing into small pieces, finely crushing to powder, removing the broken steel wires by magnetic separation, removing fibers, passing through a 45-mesh sieve, taking the under-sieve, and obtaining rubber powder;
[0014] b. Ingredients in parts by weight in the following table:
[0015] raw material
Example 1
Example 2
Example 3
rubber powder
100
100
100
activator
0.2
0.4
0.5
1
2.5
4
Organic acid salt
0.3
1.0
1.5
8
10
12
clear water
5
8
10
[0016] Among them, the organic acid salt is commercially available industrial grade calcium stearate, produced by Wenzhou Jiangdong Plastic Material Co., Ltd.; Produced...
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The invention relates to an environment-friend regeneration rubber production method, which is characterized in composed of a, washing, purifying, breaking, screening via a screen of 45 meshes, taking off the screened material, removing metal and fiber to obtain rubber powder, b, preparing materials as rubber powder of 100 accounts, activator of 0.2-0.5 accounts, pine gum of 1-4 accounts, organic acid salt of 0.3-1.5 accounts, rubber seed oil of 8-12 accounts and water of 5-10 accounts, c, mixing rubber powder, activator, pine gum, organic acid salt, rubber seed oil and water uniformly to be fed into a vulcanizing pot at the temperature of 200-220DEG C and the pressure of 1.5-2.0MPa to dynamically desulfurize for 3-3.5h, using a biological chemical adsorption tower to purify tail gas, d, refining and tabletting to obtain environment-friend regeneration rubber. The invention has reasonable method, simple process, wide material resource, low price, better physical property and chemical stability, high product quality, high yield, low cost, little environment pollution and wide application in rubber product.
Description
technical field [0001] The invention relates to a method for producing reclaimed rubber from waste rubber such as waste tires, in particular to an environment-friendly production method for regenerated rubber. Background technique [0002] With the rapid development of industrialization, a large amount of waste automobile tires and other waste rubber will be produced every year. Due to the good chemical stability of rubber, waste rubber products cannot be decomposed naturally, and poisonous gas will be produced when burned, and a large space is required for storage. The recycling of waste tires and other waste rubber is of great significance to environmental protection and rational utilization of resources. At present, there are many ways to recycle waste tires. Usually, the waste vulcanized rubber is mechanically and chemically treated under the condition of heat and pressure, so that the network crosslinked structure of the rubber is degraded and becomes plastic, and becom...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C08L17/00C08J11/18
CPCY02W30/62
Inventor 刘玉强孙星
Owner KUNMING PHOENIX RUBBERS