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Aragonite-type light calcium composition used in paper coating, and application method thereof

An aragonite type and composition technology, applied in the direction of pigment-containing coatings, etc., can solve the problems of poor quality and unusable papermaking industry, and achieve the effects of improving paper products, improving quality, and saving costs

Inactive Publication Date: 2016-04-13
DSSUN NEW MATERIAL SHANDONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes how adding certain substances like talc into a specific form called pin- bar calcite could lead to improved properties such as increased strength when used with pigment printing processes. Additionally, this new material would have potential applications in various industries where high levels of whiteness are required. Overall, these technical improvements resulted from enhanced effectiveness compared to existing methods that replaced expensive raw components during production.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the efficiency and productivity of producing various types of materials with specific qualities or features like color strength, glue coverage, moisturizing ability, etc., without relying solely upon expensive mineral products from foreign sources.

Method used

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  • Aragonite-type light calcium composition used in paper coating, and application method thereof
  • Aragonite-type light calcium composition used in paper coating, and application method thereof
  • Aragonite-type light calcium composition used in paper coating, and application method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Raw materials: 1 ton of Sishui limestone, 65 kg of anthracite from Shanxi, 0.5 kg of mixed seed crystals of magnesium salt and gypsum.

[0031] The synthesis method of aragonite-type light calcium: add anthracite and Surabaya limestone at 6.5%, control the kiln at 930°C, control the calcination time for 3 hours, digest quicklime, and control the digestion concentration to 20%, carbonize the digested slurry, pass into The speed of the purified kiln gas is 1.5 cubic meters per ton of slurry per minute, and 0.5 kg of mixed seed crystals are placed in the carbonization tank. When the pH value of the carbonized slurry is 7, continue to feed the kiln gas for 15 minutes, and the carbonized The light calcium slurry is concentrated by filter cloth pressure filtration, and fully dispersed to a light calcium slurry with a solid content of 65%.

[0032] The application method of the aragonite type light calcium composition (according to the following formula and method, the composi...

Embodiment 2

[0040] Raw materials: 1 ton of Sishui limestone, 100 kg of anthracite from Shanxi, 2 kg of mixed seed crystals of magnesium salt and gypsum.

[0041]Synthesis method of aragonite-type light calcium: Add anthracite and Surabaya limestone at 10%, control the kiln at 1050°C, control the calcination time for 1 hour, digest quicklime, and control the digestion concentration to 33%, carbonize the digested slurry, pass it into The speed of the purified kiln gas is 0.8 cubic / ton of slurry / min, and 2 kg of mixed seed crystals are put into the carbonization tank. When the pH value of the carbonized slurry is 7, continue to feed the kiln gas for 20 minutes, and the carbonized The light calcium slurry is concentrated by filter cloth pressure filtration, and fully dispersed to a light calcium slurry with a solid content of 70%.

[0042] The application method of aragonite type light calcium (according to the following formula and method, the composition of embodiment 2 and kaolin is detect...

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Abstract

The invention provides an aragonite-type light calcium composition used in paper coatings. The composition comprises the components of 10-50% of aragonite-type light calcium, 50-90% of heavy calcium carbonate, 5-20% of styrene-butadiene latex, and 2-5% of a dispersing agent, a lubricant and a water repellent. The invention also provides a paper modification method comprising the following steps: Step 1, the aragonite-type light calcium composition used in paper coating, described in Claim 1, is provided; and Step 2, the composition is used in coating paper. With the paper-coating aragonite-type light calcium composition provided by the invention, paper printing surface strength can be improved by 5-30%, and paper gloss and printing gloss can be improved by 2-10%. Therefore, the quality of finished products is improved, and papermaking enterprise production costs can be reduced.

Description

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Claims

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Application Information

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Owner DSSUN NEW MATERIAL SHANDONG
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