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Impression material as well as preparation method and application thereof

An impression material and raw material technology, applied in the field of impression material and its preparation, can solve the problems of inability to effectively meet the performance requirements of the female mold, high irritation of human skin, poor tear resistance, etc., and achieve low price and easy acquisition , to avoid irritating effects

Active Publication Date: 2022-08-02
山西小蚁科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is that the existing impression materials are highly irritating to human skin and cannot be degraded. Effectively meet the defects of the performance requirements of the negative mold, thereby providing an impression material and its preparation method and application

Method used

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  • Impression material as well as preparation method and application thereof
  • Impression material as well as preparation method and application thereof
  • Impression material as well as preparation method and application thereof

Examples

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Embodiment 1

[0030] This embodiment provides an impression material, which includes the following raw materials: rice bran (granular, with an average particle size of 40 microns) 40g, sodium alginate 17.8g, sodium pyrophosphate 4.2g, gypsum 22.9g, zinc oxide 2.8 g, 2.5 g of potassium fluorotitanate, 1.1 g of sodium carbonate, and 8.7 g of polyethylene glycol 4000.

[0031] The preparation method of the above-mentioned impression material comprises the following steps: placing the above-mentioned rice bran, sodium alginate, sodium pyrophosphate, gypsum, zinc oxide, potassium fluorotitanate, sodium carbonate, and polyethylene glycol in a high-speed mixer to mix, The rotating speed of 180 r / min was stirred for 20 min to uniformly mix the above-mentioned raw materials to obtain the impression material.

Embodiment 2

[0033] This embodiment provides an impression material, which includes the following raw materials: rice bran 50g (granular, with an average particle size of 45 microns), sodium alginate 14.8g, sodium pyrophosphate 3.5g, gypsum 19.1g, zinc oxide 2.3 g, 2.1 g of potassium fluorotitanate, 0.9 g of sodium carbonate, and 7.3 g of polyethylene glycol 4000.

[0034] The preparation method of the above-mentioned impression material comprises the following steps: placing the above-mentioned rice bran, sodium alginate, sodium pyrophosphate, gypsum, zinc oxide, potassium fluorotitanate, sodium carbonate, and polyethylene glycol in a high-speed mixer to mix, The rotating speed of 100r / min was stirred for 50min, so that the above-mentioned raw materials were evenly mixed to obtain the impression material.

Embodiment 3

[0036] This embodiment provides an impression material, which includes the following raw materials: rice bran 60g (granular, with an average particle size of 30 microns), sodium alginate 11.9g, sodium pyrophosphate 2.8g, gypsum 15.3g, zinc oxide 1.9 g, 1.6 g of potassium fluorotitanate, 0.7 g of sodium carbonate, and 5.3 g of polyethylene glycol 4000.

[0037]The preparation method of the above-mentioned impression material comprises the following steps: placing the above-mentioned rice bran, sodium alginate, sodium pyrophosphate, gypsum, zinc oxide, potassium fluorotitanate, sodium carbonate, and polyethylene glycol in a high-speed mixer to mix, The rotation speed of 200 r / min was stirred for 20 minutes to mix the above raw materials uniformly to obtain the impression material.

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Abstract

The invention belongs to the technical field of impression, and particularly relates to an impression material as well as a preparation method and application thereof. The impression material provided by the invention is prepared from the following raw materials in parts by weight: 40 to 80 parts of rice bran and / or wheat bran, 5 to 18 parts of a thickening agent, 1.4 to 4.5 parts of a retarder, 7 to 24 parts of a gelling agent, 0.9 to 3 parts of a reinforcing agent and 0.8 to 2.5 parts of a conditioning agent. According to the impression material provided by the invention, the rice bran and / or the wheat bran are / is taken as main filler, and the thickening agent, the retarder, the gelling agent, the reinforcing agent and the conditioning agent are matched for use, so that the obtained impression material has proper initial setting time, and a prepared female mold has excellent replication reproducibility, elastic recovery capability, compression strain capability and tear resistance.

Description

technical field [0001] The invention belongs to the technical field of stamping, and particularly relates to a stamping material and a preparation method and application thereof. Background technique [0002] The impression material is the material used in the preparation of the negative mold. The impression material should be elastic, with good fluidity and plasticity; after solidification, the physical properties are stable, the shape and volume do not change, the solidification time is appropriate, and the model is easy to take out after solidification. It is chemically changed with the model itself, easy to separate, and has good tear resistance. [0003] Existing impression materials mainly use mineral earth materials such as diatomite, kaolin, bentonite, etc. or starch-based materials as main fillers. However, the above materials have some defects: first, the mineral earth materials are not renewable, and they cannot be degraded after use. It will have some impact on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L99/00C08L5/04C08L71/02C08K3/32C08K3/22C08K3/30C08K3/24C08K3/26C08K3/013
CPCC08L99/00C08K2003/324C08K2003/2296C08K2201/011C08K2003/3045C08L2201/06C08L5/04C08L71/02C08K3/32C08K3/22C08K3/30C08K3/24C08K3/26C08K3/00Y02P60/87
Inventor 王惠忠胡利艳
Owner 山西小蚁科技有限公司
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