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Fluoride-free environment-friendly thermos bottle preform material

An environmentally friendly and thermos bottle technology, applied in the field of glass materials, can solve the problems of damage to personal safety, waste of resources, low mechanical strength, etc., achieve high hardness and mechanical strength, reduce thermal expansion coefficient, and reduce damage rate.

Inactive Publication Date: 2014-09-03
韩新怀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional thermos bottle preform is made of silica as the main material and mixed with several oxides. The mechanical strength is not high, which makes it easier to break during use and transportation, resulting in waste of resources. Some thermal stability Not strong, unable to adapt to the boiling water environment for a long time, not only easy to break, but also may damage personal safety

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A fluorine-free environmental protection thermos bottle preform material, which is composed of the following raw materials in parts by weight (kg):

[0023] Quartz sand 45, calcite 15, lepidolite 10, aluminum phosphate 4, colemanite 7, antimony trioxide 2, calcium chloride 3, lanthanum oxide 0.2, sodium sulfate 2, aluminum oxide 7, ammonium dihydrogen phosphate 0.8, SnO 0.2, flux 2, molding aid 5;

[0024] Described flux is made up of the raw material of following weight part:

[0025] Fluorite 60, sodium carbonate 15, lithium silicate 16, boric acid 3, aluminum hydroxide 10, sodium orthovanadate 1; the fluorite CaF 2 >80%, Fe 2 o 3 <0.2%;

[0026] The preparation method of described flux comprises the following steps:

[0027] Heat the above fluorite to 1450°C, add all raw materials except boric acid, stir evenly, continue stirring and heating at the above temperature for 1 hour, cool to normal temperature, add boric acid, dry, and ball mill to obtain fluorite wit...

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Abstract

The invention discloses a fluoride-free environment-friendly thermos bottle preform material. The fluoride-free environment-friendly thermos bottle preform material consists of the following raw materials in parts by weight: 40-45 parts of quartz sands, 10-15 parts of calcite, 6-10 parts of lepidolite, 4-6 parts of aluminum phosphate, 5-7 parts of colemanite, 1-2 parts of antimonous oxide, 3-5 parts of calcium chloride, 0.1-0.2 part of lanthanum oxide, 2-3 parts of sodium sulfate, 5-7 parts of aluminum oxide, 0.8-2 parts of ammonium dihydrogen phosphate, 0.1-0.2 part of stannous oxide, 2-4 parts of fluxing agent and 3-5 parts of molding promoter. The fluoride-free environment-friendly thermos bottle preform material disclosed by the invention almost realizes no fluoride residue, and is healthy and environment-friendly; the added molding promoter lowers a thermal expansion coefficient of glass, and enables the obtained finished product to have higher hardness and mechanical strength after various raw materials are molded, so that spoilage of a preform is reduced, waste is reduced and resources are saved.

Description

technical field [0001] The invention mainly relates to a fluorine-free environmental protection thermos bottle preform material, which belongs to the field of glass materials. Background technique [0002] The traditional thermos bottle preform is made of silicon dioxide as the main material and mixed with several oxides. The mechanical strength is not high, which makes it easier to break during use and transportation, resulting in waste of resources. Some thermal stability Not strong, unable to adapt to the boiling water environment for a long time, not only easy to break, but also may damage personal safety. Contents of the invention [0003] The object of the present invention is to provide a fluorine-free environmental protection thermos bottle preform material. [0004] The present invention is achieved through the following technical solutions: [0005] A fluorine-free environmental protection thermos bottle preform material, which is composed of the follow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C6/04C03C1/00
Inventor 薛宗洪
Owner 韩新怀
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