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Dihydrate desulphurization gypsum rubber reinforcing agent

A technology of rubber reinforcing agent and desulfurization gypsum is applied in the field of rubber additives, which can solve the problems of small utilization and achieve the effects of improved grinding efficiency, easy realization and uniform dispersion.

Active Publication Date: 2011-06-15
山东丞华企业投资控股有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the main way to utilize desulfurized gypsum is to make building materials such as paper-faced gypsum board after calcining, and the utilization amount is relatively small.

Method used

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  • Dihydrate desulphurization gypsum rubber reinforcing agent
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  • Dihydrate desulphurization gypsum rubber reinforcing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment one: (preparation of composite coupling agent)

[0024] formula:

[0025] Silane coupling agent 2Kg Titanate coupling agent 4Kg

[0026] Aluminate coupling agent 4Kg Triethanolamine 2Kg

[0027] Thinner (propylene oxide propylene ether) 48Kg

[0028] Preparation:

[0029] After mixing the silane coupling agent, titanate coupling agent, aluminate coupling agent and triethanolamine in the formulated amount, they are added into propylene oxide propylene ether for dilution and amplification.

Embodiment 2

[0031] formula:

[0032] Dihydrate desulfurized gypsum 89Kg composite coupling agent 11Kg

[0033] The composite coupling agent is prepared by the method described in Example 1.

[0034] Preparation:

[0035] a. Dry the dihydrate desulfurized gypsum with a dryer until the moisture content is below 1%;

[0036] B, start the mill, add the desulfurized gypsum dihydrate of the recipe amount into the mill (with winnowing function) and grind, while grinding, gradually add the composite coupling agent of the recipe amount, and grind to More than 600 mesh is enough.

Embodiment 3

[0038] formula:

[0039] Dihydrate desulfurized gypsum 88Kg Composite coupling agent 11.5Kg

[0040] The composite coupling agent is prepared by the method described in Example 1.

[0041] The preparation method is the same as in Example 2.

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Abstract

The invention discloses a dihydrate desulphurization gypsum rubber reinforcing agent, belonging to the field of rubber additives. The rubber reinforcing agent is prepared from 89-90 parts of dihydrate desulphurization gypsum and 10-12 parts of composite coupling agent through grinding. The composite coupling agent comprises a silicone coupling agent, a titanate coupling agent, an aluminate coupling agent, triethanolamine and a diluent agent. After the silicone coupling agent, the titanate coupling agent, the aluminate coupling agent and the triethanolamine are compounded according to the weight ratio of 1:2:2:1, and the mixture is diluted and enlarged by using 4 times of diluent agent. Compared with the prior art, the dihydrate desulphurization gypsum rubber reinforcing agent is directly prepared from dihydrate desulphurization gypsum as a main material and has the characteristics of energy saving, environmental protection, low material cost and the like.

Description

technical field [0001] The invention relates to a rubber additive, in particular to a dihydrate desulfurized gypsum rubber reinforcing agent. Background technique [0002] Dihydrate desulfurization gypsum is a by-product of desulfurization in power plants. According to the statistics of China Electricity Council, the installed capacity of flue gas desulfurization in thermal power plants in my country is close to 300 million kilowatts, of which limestone-gypsum wet desulfurization process accounts for more than 90%. By the end of the "Eleventh Five-Year Plan", my country will have 300 million kilowatts of coal-fired generating units equipped with limestone-gypsum desulfurization facilities. According to a 300MW unit burning coal with a sulfur content of 1%, it will run for 5000-6000 hours per year. , will produce 45,000 to 50,000 tons of desulfurized gypsum, and then my country will produce 50 to 60 million tons of desulfurized gypsum every year. According to the prediction of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L21/00C08K9/06C08K9/04C08K3/30
Inventor 赵同习王爱民王庆珍
Owner 山东丞华企业投资控股有限公司
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