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Odorless waste tire rubber powder modifying agent easy to melt

A technology of waste tires and rubber powder, which is applied to building components, building insulation materials, buildings, etc., can solve problems such as contradictory environmental protection concepts, high temperature, and high energy consumption, and achieve reduced odor emission, reduced viscosity, and reduced The effect of energy consumption

Inactive Publication Date: 2016-10-12
河南金欧特实业集团股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the rubber powder modified asphalt will release a pungent odor during the production and construction process. The production temperature is 180-190 °C, the temperature is relatively high, the energy consumption is large, and the viscosity is large. It also needs to be used during construction. Higher temperature, which is contrary to its environmental philosophy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Example 1: 2 parts of degradation inhibitor, 3 parts of organic sulfur adsorbent, 2 parts of cosolvent, 4 parts of limestone, 4 parts of ammonia water, 4 parts of desulfurizer, 3 parts of monocyclic aromatic hydrocarbon, 5 parts of organic acid, Put 2 parts of metal chloride, 3 parts of inorganic acid, 4 parts of regenerative active agent, 2 parts of rubber powder, 3 parts of emulsifier, 2 parts of softener and 3 parts of activator into a stirring tank for stirring, keep for 2 hours, and then Through 0.9~0.98MPa (9~10kgf / cm) steam, inject warm water at 80°C into the tank as the heat transfer medium, then slowly add dilute alkali solution to make it into a paste, add water to dilute, reciprocate twice, and then Extraction is carried out under a vacuum environment of 2.0Mpa to obtain a modifier.

Embodiment 2

[0013] Example 2: 3 parts of degradation inhibitors, 5 parts of organic sulfur adsorbent, 1 part of cosolvent, 5 parts of limestone, 3 parts of ammonia water, 1 part of desulfurizer, 2 parts of monocyclic aromatic hydrocarbons, 3 parts of organic acid, 1 part of metal chloride, 5 parts of inorganic acid, 6 parts of regenerative active agent, 1 part of rubber powder, 4 parts of emulsifier, 1 part of softener and 4 parts of activator were put into a stirring tank for stirring, kept for 3 hours, and then Through the steam of 0.9~0.98MPa (9~10kgf / cm), inject warm water at 85°C into the tank as the heat transfer medium, then slowly add dilute alkali solution to make it into a paste, add water to dilute, reciprocate twice, and then Extraction is carried out under a vacuum environment of 4.0Mpa to obtain a modifier.

Embodiment 3

[0014] Example 3: 2 parts of degradation inhibitor, 3 parts of organic sulfur adsorbent, 2 parts of cosolvent, 2 parts of limestone, 3 parts of ammonia water, 6 parts of desulfurizing agent, 6 parts of monocyclic aromatic hydrocarbon, 2 parts of organic acid, 1 part of metal chloride, 2 parts of inorganic acid, 6 parts of regenerative active agent, 1 part of rubber powder, 1 part of emulsifier, 4 parts of softener and 5 parts of activator were put into a stirring tank for stirring, kept for 1 hour, and then Through the steam of 0.9~0.98MPa (9~10kgf / cm), inject warm water at 100°C into the tank as the heat transfer medium, then slowly add dilute alkali solution to make it into a paste, add water to dilute, reciprocate twice, and then Extraction is carried out under a vacuum environment of 5.0Mpa to obtain a modifier.

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PUM

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Abstract

The invention discloses an odorless waste tire rubber powder modifying agent easy to melt. The odorless waste tire rubber powder modifying agent easy to melt has the advantages that the novel odorless waste tire rubber powder modifying agent easy to melt solves the problems that in the prior art, rubber powder modified asphalt releases pungent stink in the production and construction process, the production temperature is 180-190 DEG C and is relatively high, energy consumption and viscosity are high, a high temperature is also needed in construction, and rubber powder serves as the core of rubber powder modified asphalt and is the reason for the high temperature and stink in production and construction; the odorless waste tire rubber powder modifying agent easy to melt is prepared by carrying out desulfuration treatment on common rubber powder and carrying out pre-soaking with a solvent, and diffusion of stink is greatly relieved when the modifying agent is used for producing rubber modified asphalt; besides, the viscosity of rubber modified asphalt is effectively reduced under the same condition, so that the production and construction temperature is reduced, energy consumption is reduced accordingly, cost is reduced, and harm to the environment is relieved.

Description

technical field [0001] The invention relates to the field of rubber powder preparation methods, in particular to a fusible and odorless waste tire rubber powder modifier. Background technique [0002] Desulfurizers generally refer to agents that remove free sulfur or sulfur compounds in fuels, raw materials, or other materials; in the control and treatment of pollutants, they mainly refer to agents that can remove sulfur oxides in exhaust gas, and various alkaline compounds can be used As a desulfurizing agent, the desulfurizing agent for removing sulfur dioxide in the flue gas is mostly cheap lime, limestone and alkaline solution prepared with calcareous agents. The desulfurizing agent can absorb most of the sulfur dioxide in the flue gas and fix it in the fuel slag. Chemical plants, smelters, etc. often use solutions such as sodium carbonate and basic aluminum sulfate as desulfurizers to treat tail gas containing sulfur dioxide, and can be desorbed and recycled. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08L21/00C08K13/02C08K3/26C08K5/09C08K3/16C08K3/30
CPCC08L95/00
Inventor 周凯刘洪磊王海赞杨慧丽牛小虎
Owner 河南金欧特实业集团股份有限公司
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