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Preparation method of magnesium oxysulfate binding material artware and magnesium oxysulfate binding material

A technology of magnesium oxysulfide glue and handicrafts, which is applied in the preparation of magnesium oxysulfide cementitious materials and handicrafts, in the field of magnesium oxysulfide cementitious materials, to achieve the effects of energy saving, emission reduction, high value and high efficiency utilization

Active Publication Date: 2018-01-12
辽宁科大中驰镁建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the magnesium oxysulfate gelling material that has not been suitable for preparing handicrafts in the prior art, and based on the purpose of waste reuse, the invention provides a preparation method and sulfur Magnesium Oxide Cementitious Material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A doll-shaped handicraft made of magnesium oxysulfate gelling material, the material used contains the following components by weight percentage: light-burned magnesium oxide powder: 50%, magnesium sulfate heptahydrate 18%, water: 21%, silica fume: 2% , rice bran: 6.5%, admixture: 1.5%, glass fiber: 1%; modifier is gluconic acid: the addition amount is 15% of the admixture, phosphoric acid: the addition amount is 15% of the admixture, calcium sucrose: The addition amount is 15% of the admixture and calcium chloride: the addition amount is 35% of the admixture; the described water reducing agent is a polycarboxylate water reducer, and the addition amount is 10% of the admixture; the described defoaming The agent is tributyl phosphate, and the addition amount is 10% of the admixture;

[0043] The preparation method of described magnesium oxysulfate gelling material doll molding handicraft, comprises the following steps:

[0044] 1) Clean the mold of the doll-shaped handicr...

Embodiment 2

[0049] A handicraft of figure statues made of magnesium oxysulfide gelling material, comprising the following components by weight: light-burned magnesium oxide powder: 50%, magnesium sulfate heptahydrate 18%, water: 21%, silica fume: 2%, powder Coal ash: 1%, rice husk: 5.5%, admixture: 1.5%, glass fiber: 1%; modifier is gluconic acid: the addition amount is 20% of the admixture, phosphoric acid: the addition amount is 20% of the admixture %, calcium sucrose: the addition amount is 15% of the admixture and calcium chloride: the addition amount is 25% of the admixture; the described water reducer is a polycarboxylate water reducer, and the addition amount is 10% of the admixture ; The defoamer is tributyl phosphate, and the addition is 10% of the admixture;

[0050] Its specific steps of the preparation method of the magnesium oxysulfide gelling material handicraft are the same as in Example 1.

[0051] The magnesium oxysulfide gelling material handicraft prepared in this embo...

Embodiment 3

[0053] A handicraft of magnesium oxysulfide cementitious material, comprising the following components by weight: light-burned magnesium oxide powder: 50%, magnesium sulfate heptahydrate 18%, water: 21%, fly ash: 3%, sawdust: 5.5% %, admixture: 1.5%, glass fiber filament: 1%; modifier is gluconic acid: the addition amount is 18% of the admixture, phosphoric acid: the addition amount is 18% of the admixture, sucrose calcium: the addition amount is the addition 13% of the additive and calcium chloride: the addition amount is 33% of the admixture; the described water reducer is a polycarboxylate water reducer, and the addition amount is 9% of the admixture; the described defoamer is triphosphate Butyl ester, the addition amount is 9% of the admixture;

[0054] Its specific steps of the preparation method of the magnesium oxysulfide gelling material handicraft are the same as in Example 1.

[0055] The magnesium oxysulfide gelling material handicraft prepared in this embodiment c...

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Abstract

The invention aims to provide a preparation method of a magnesium oxysulfate binding material artware and the magnesium oxysulfate binding material aiming to solve the problem in the prior art that amagnesium oxysulfate binding material suitable for preparation of artware does not exist and based on the waste reutilization aim, belonging to the technical field of magnesium artware materials. Thepreparation method comprises the following steps: 1) brushing a release agent on the inner surface of a mold by a cleaning mold; 2) preparing the magnesium oxysulfate binding material; and 3) making the artware in the mold by adopting a pasting method. The artware made by the method does not need to be maintained, has the apparent density of more than or equal to 0.80 g / cm<3>, the water absorptionrate of less than or equal to 20.0%, the moisture content of less than or equal to 12.0%, the chloride ion dissolution quantity of less than or equal to 3.0%, the rupture strength of more than or equal to 6.5MPa, the compressive strength of more than or equal to 30.0MPa and the softening coefficient of more than or equal to 0.8, and is not damaged or cracked after 25 freezing and thawing cycles.Moreover, low-grade magnesite and other industrial and agricultural wastes are fully utilized, and the cost of the product is reduced.

Description

technical field [0001] The invention belongs to the technical field of magnesia handicraft materials, and in particular relates to a preparation method of a magnesium oxysulfide gelling material handicraft and the magnesium oxysulfide gelling material used. Background technique [0002] Products based on magnesium oxychloride cementitious materials have been researched at present. It is an air-hardened cementitious material with high strength performance, but the problems of moisture absorption and halogen return, warping and deformation are serious, and it is difficult to overcome at present. Especially more serious defect is prepared on the handicraft with decorative effect, thereby has influenced the attractive in appearance and the service life of handicraft. [0003] The advantage of the magnesium oxysulfide gelling material is that it completely solves the problem that the magnesium oxychloride gelling material absorbs moisture and returns to halogen and is easy to w...

Claims

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Application Information

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IPC IPC(8): C04B28/30C04B111/34
Inventor 毕万利孙恩禹关岩陈英李晶祝日新孟宪章刘宁崔宝栋
Owner 辽宁科大中驰镁建材科技有限公司
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