FFC slurry for large-size products and preparation method thereof

A large-size, slurry technology, applied in the field of FFC slurry and its preparation of large-size products, can solve the problems of higher shrinkage rate and large size of slurry, so as to reduce shrinkage, improve the regularity of finished products, and whiteness of porcelain body high effect

Inactive Publication Date: 2020-05-12
唐山市丰华陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But, the slurry of above-mentioned patent, its total shrinkage is 7-9%, with respect to common slurry, its shrinkage rate is excellent, yet for some sanitary ceramic products, the size of these products is bigger, so large-scale sanitary ceramic products are relatively The shrinkage rate of the slurry is required to be higher

Method used

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  • FFC slurry for large-size products and preparation method thereof
  • FFC slurry for large-size products and preparation method thereof
  • FFC slurry for large-size products and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The invention discloses an FFC mud used for large-scale products. The raw materials include the following components in parts by weight: 15 parts of water glass, 44 parts of calcined coke gemstones with a calcination temperature of 1245 ° C, 8 parts of kaolin, and 8 parts of glass fiber powder , 16 parts of nano-silica sol, 34 parts of absolute ethanol, 8 parts of anti-dehydration cracking agent, and 47 parts of water.

[0034] in:

[0035] The dehydration cracking agent comprises the following components in parts by weight: 20 parts of 100-mesh lignin fiber, 8 parts of sodium hexametaphosphate, and 5 parts of 120-mesh expanded graphite.

[0036] The chemical composition of the dried mud body includes by weight percentage: 59% silicon dioxide, 30% aluminum oxide, 1% titanium dioxide, 0.4% iron oxide, 0.15% calcium oxide, 1.6% magnesium oxide, 0.35% potassium oxide, sodium oxide 2.5%, burning reduction: 5%.

Embodiment 2

[0038]A kind of FFC slurry for large-scale products, the raw materials include the following components by weight: 16 parts of water glass, 45 parts of calcined burnt gemstones with a calcination temperature of 1246 ° C, 10 parts of kaolin, 12 parts of glass fiber powder, and nano-silica sol 12 parts, 28 parts of absolute ethanol, 10 parts of anti-dehydration cracking agent, 50 parts of water.

[0039] in:

[0040] The dehydration cracking agent comprises the following components by weight: 22 parts of 103-mesh lignin fiber, 6 parts of sodium hexametaphosphate, and 3 parts of 123-mesh expanded graphite.

[0041] The chemical composition of the dried mud body includes by weight percentage: 60% silicon dioxide, 30.5% aluminum oxide, 1.16% titanium dioxide, 0.51% iron oxide, 0.21% calcium oxide, 1.62% magnesium oxide, 0.39% potassium oxide, sodium oxide 1.01%, burning reduction: 4.6%.

Embodiment 3

[0043] A kind of FFC slurry for large-scale products, the raw materials include the following components by weight: 17 parts of water glass, 46 parts of calcined burnt gemstones with a calcination temperature of 1250 ° C, 12 parts of kaolin, 12 parts of glass fiber powder, and nano-silica sol 13 parts, 30 parts of absolute ethanol, 13 parts of anti-dehydration cracking agent, 54 parts of water.

[0044] in:

[0045] The dehydration cracking agent comprises the following components in parts by weight: 30 parts of 110-mesh lignin fiber, 11 parts of sodium hexametaphosphate, and 5 parts of 125-mesh expanded graphite.

[0046] The chemical composition of the dried mud body includes by weight percentage: 60.3% of silicon dioxide, 30.5% of aluminum oxide, 1.14% of titanium dioxide, 0.44% of iron oxide, 0.21% of calcium oxide, 1.68% of magnesium oxide, 0.42% of potassium oxide, sodium oxide 1.21%, burning reduction: 4.1%.

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Abstract

The invention discloses FFC slurry for a large-size product and a preparation method of the FFC slurry. The technical key points are as follows: raw materials comprise the following components (by weight): 15-21 parts of water glass, 44-52 parts of calcined flint clay, 8-16 parts of kaolin, 8-15 parts of glass fiber powder, 9-16 parts of nano silica sol, 25-34 parts of absolute ethyl alcohol, 8-15parts of a water loss cracking resistant agent and 47-58 parts of water. The FFC slurry has the advantages of small shrinkage, high regularity of the finished product, high whiteness of the porcelainbody, bright and soft glaze surface and excellent blank glaze bonding property, and can be used for preparing large-size ceramic products with excellent quality.

Description

technical field [0001] The present invention relates to the field of ceramic products, more specifically, it relates to an FFC slurry for large-sized products and a preparation method thereof. Background technique [0002] Ceramics, the general term for pottery and porcelain, are made of clay and porcelain clay, two different types of clay, as raw materials, and are made through batching, molding, drying, roasting and other processes; today's ceramics are mainly divided into the following three categories : Daily-use ceramics: such as tableware, tea sets, cylinders, altars, basins, cans, plates, plates, bowls, etc.; art (craft) ceramics: such as vases, sculptures, garden ceramics, utensils, photo frames, murals, furnishings, etc.; Industrial ceramics: Refers to ceramic products used in various industries; different ceramics use different preparation materials and slurries. [0003] The existing Chinese patent with application number CN201110275304.5 discloses a FFC mud mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/36C04B33/22C04B33/13
CPCC04B33/1305C04B33/131C04B33/22C04B33/36C04B2235/3418C04B2235/425C04B2235/447C04B2235/5436
Inventor 李云龙
Owner 唐山市丰华陶瓷有限公司
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