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A kind of rare earth metal alkyl sulfide nanomaterial and preparation method thereof

A technology of rare earth metals and nanomaterials, applied in the chemical industry, can solve problems such as poor compatibility and restrictions on the application and development of rare earth metal compounds, and achieve the effects of easy-to-obtain raw materials, simple preparation methods, and high reactivity

Active Publication Date: 2017-08-08
BEIJING RED AVENUE INNOVA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, rare earth materials, as inorganic materials, have poor compatibility with rubber materials, which restricts the application and development of rare earth metal compounds in rubber.

Method used

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  • A kind of rare earth metal alkyl sulfide nanomaterial and preparation method thereof
  • A kind of rare earth metal alkyl sulfide nanomaterial and preparation method thereof
  • A kind of rare earth metal alkyl sulfide nanomaterial and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0033]Weigh 9.0g of gum rosin and 6.0g of calcium carbonate and grind evenly, add 120mL of ethanol, stir mechanically for 15min, add 6.4g of bis(γ-triethoxypropyl) disulfide, and dissolve the solution with 10% sodium hydroxide solution The pH value of the solution was adjusted to 10, and after stirring for 2 hours at room temperature, 10% hydrochloric acid solution was added dropwise to adjust the pH value of the solution to 2, and the solution was washed by suction filtration;

[0034] The solid obtained after suction filtration is transferred to a 250mL four-neck flask with a stirring device, a temperature control device and a reflux device, 100mL of water is added, mechanically stirred to disperse evenly, 0.4g hexanethiol and 0.2g polyethylene glycol are added, and then Add dropwise 32g of lanthanum nitrate solution with a mass percentage concentration of 10%, adjust the pH value of the solution to 6 with 10% ammonia solution, heat up to 90°C for reflux reaction for 60min, a...

Embodiment 2

[0037] Weigh 9.0g of gum rosin and 6.0g of calcium carbonate and grind evenly, add 120mL of ethanol, stir mechanically for 15min, add 8.2g of bis(γ-triethoxypropyl)tetrasulfide, and dissolve the solution with 10% sodium hydroxide solution The pH value of the solution was adjusted to 10, and after stirring for 2 hours at room temperature, 10% hydrochloric acid solution was added dropwise to adjust the pH value of the solution to 2, and the solution was washed by suction filtration;

[0038] The solid obtained after suction filtration is transferred to a 250mL four-neck flask with a stirring device, a temperature control device and a reflux device, 100mL of water is added, mechanically stirred to disperse evenly, 0.4g hexanethiol and 0.2g polyethylene glycol are added, and then Add dropwise 27.5g of yttrium nitrate solution with a mass percentage concentration of 10%, adjust the pH value of the solution to 7 with 10% ammonia solution, heat up to 90°C for reflux reaction for 60min...

Embodiment 3

[0041] Weigh 9.0g gum rosin and 10.0g calcium carbonate and grind evenly, add 120mL ethanol, mechanically stir for 15min, add 9.5g bis(γ-triethoxypropyl) disulfide, and dissolve the solution with 10% sodium hydroxide solution The pH value of the solution was adjusted to 10, and after stirring for 2 hours at room temperature, 10% hydrochloric acid solution was added dropwise to adjust the pH value of the solution to 2, and the solution was washed by suction filtration;

[0042] Transfer the solid obtained after suction filtration to a 250mL four-neck flask equipped with a stirring device, a temperature control device and a reflux device, add 100mL of water, mechanically stir and disperse evenly, add 3.3g of 2-mercaptophenylprophiazole and 0.5g of polyethylene glycol Glycol, then dripping 64g mass percentage concentration is the lanthanum nitrate solution of 10%, adjust the pH value of solution to 8 with 30% ammonia solution, heat up to 90 ℃ of reflux reaction 90min, after coolin...

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Abstract

The invention relates to the field of chemical engineering, and specifically discloses a rare earth metal alkyl sulfide nanomaterial, the alkyl group (R1, R2) contained in the nanomaterial structure can improve the compatibility of the nanomaterial with an organic polymer, ‑Si ‑OH can condense with inorganic fillers (such as white carbon black) with hydroxyl groups on the surface to enhance its compatibility with inorganic fillers, and at the same time inhibit the agglomeration of small particles of inorganic fillers. The invention also provides a preparation method of the nanometer material, which is obtained by reacting a soluble rare earth metal compound and a sulfur compound, and has simple process, readily available raw materials, low energy consumption and good repeatability.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a rare earth metal alkyl sulfide nanomaterial and a preparation method of the rare earth metal alkyl sulfide nano material. Background technique [0002] The cross-linking reaction between natural rubber and sulfur is inseparable from the activation of zinc oxide. In the early stage of vulcanization, zinc oxide chemically reacts with stearic acid to form zinc stearate, which forms a complex with the sulfur-containing or nitrogen-containing functional groups of the vulcanization accelerator. It is an active precursor that catalyzes the insertion and opening of sulfur molecules, thereby triggering the dehydrogenation and chemical crosslinking of sulfur atoms with the double bonds in the molecular chain of unsaturated rubber and the active hydrogen atoms at the allyl positions; zinc oxide remains in the rubber in the later stage of vulcanization , and not comprehensive utilization, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K9/12C08K5/548C08K5/372C07F5/00
Inventor 赵丽丽董栋胡小娜
Owner BEIJING RED AVENUE INNOVA
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