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Full degradable prime coat film of water transfer paper and production technology of prime coat film

A technology of water transfer paper and production process, applied in paper coating, papermaking, coating and other directions, can solve the problems of unenvironmental protection, poor leveling and high cost, and achieve simple coating process, excellent leveling and environmental protection. high effect

Active Publication Date: 2014-03-19
SHENZHEN WANJI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the bottom film of this invention application contains a large amount of inorganic chemicals, which is not environmentally friendly; moreover, the paint stored in the bottom film is polyvinyl alcohol, which has poor leveling properties, which makes the smoothness and gloss of the product low, and the printing effect is not ideal.
However, the production process of the bottom film is complicated and the cost is high, so it cannot be widely promoted in the market.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] formula:

[0028] Water: potato starch = 10:2

[0029] Production Process:

[0030] (1) Put water and potato starch into a large container at a ratio of 10:2 and stir to form a mixed solution. The particle size of potato starch is 150 mesh;

[0031] (2) Take 1 / 4 of the above mixed solution into the reaction kettle, slowly heat to 35°C, stir while heating, the stirring speed is 100r / min, and the stirring time is 15 minutes;

[0032] (3) Heat to 50°C, then add the 2 / 4 mixture in step (1), complete the addition within 2 to 4 minutes, heat to 75°C, stir while heating, and the stirring speed is 160r / min;

[0033] (4) Slowly add the remaining mixture in step (1), heat to 100°C within 30 minutes, and stir while heating;

[0034] (5) Stop heating and cool to 60°C within 2 hours to obtain the bottom film slurry;

[0035] (6) Pour the base film slurry into the glue tank of the coater, then transfer the base film slurry to the transfer roller through the adhesive roller of the...

Embodiment 2

[0037] formula:

[0038] Water: potato starch = 10:4.

[0039] Production Process:

[0040] (1) Put water and potato starch into a large container at a ratio of 10:4 and stir to form a mixed liquid. The particle size of potato starch is 200 mesh;

[0041] (2) Take 1 / 4 of the above mixed solution into the reaction kettle, slowly heat to 40°C, stir while heating, the stirring speed is 100r / min, and the stirring time is 25 minutes;

[0042] (3) Heat to 55°C, then add the 2 / 4 mixture in step (1), complete the addition within 2 to 4 minutes, heat to 80°C, stir while heating, and the stirring speed is 160r / min;

[0043] (4) Slowly add the remaining mixture in step (1), heat to 100°C within 30 minutes, and stir while heating;

[0044] (5) Stop heating and cool to 60°C within 2 hours to obtain the bottom film slurry;

[0045] (6) Pour the base film slurry into the glue tank of the coater, then transfer the base film slurry to the transfer roller through the adhesive roller of the ...

Embodiment 3

[0047] formula:

[0048] Water: potato starch = 10:6.

[0049] Production Process:

[0050] (1) Put water and potato starch into a large container at a ratio of 10:6 and stir to form a mixed solution. The particle size of potato starch is 1800 mesh;

[0051] (2) Take 1 / 4 of the above mixed solution into the reaction kettle, slowly heat to 37°C, stir while heating, the stirring speed is 100r / min, and the stirring time is 30 minutes;

[0052] (3) Heat to 52°C, then add the 2 / 4 mixture in step (1), complete the addition within 2 to 4 minutes, heat to 75°C, stir while heating, and the stirring speed is 160r / min;

[0053] (4) Slowly add the remaining mixture in step (1), heat to 98°C within 30 minutes, and stir while heating;

[0054] (5) Stop heating and cool down to 57°C within 2 hours to obtain the bottom film slurry;

[0055](6) Pour the base film slurry into the glue tank of the coater, then transfer the base film slurry to the transfer roller through the adhesive roller o...

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PUM

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Abstract

The invention discloses a full degradable prime coat film of water transfer paper and a production technology of the prime coat film. The production technology comprises the following steps: preparing a mixed solution of water and potato starch at the mass ratio of 10:(2-6); taking 1 / 4 of the mixed solution and putting into a reaction kettle; slowly heating to 35-40 DEG C; taking 2 / 4 of the mixed solution and heating to 70-80 DEG C; lastly and slowly adding the remained mixed solution, heating to 95-100 DEG C and then cooling to 55-60 DEG C, thereby obtaining a prime coat paste; pouring the prime coat paste into a glue slot of a coating machine and transferring to the paper surface; using a scraper to flatly coat the prime coat paste; drying till the water content is 4-8%; and coiling into a film shape. According to the production technology, the potato starch with excellent leveling property is taken as a coating, so that the surface smoothness of the prime coat film is above 80sec / 10ml, the glossiness is 70%GE and the printing effect is perfect. The production technology is simple and the cost is low. Organic matter is adopted, so that the inorganic chemical product and the heavy metal are free from being remained in a coating preparation and a subsequent application product, and the environmental conservation is high.

Description

technical field [0001] The invention relates to the technical field of water transfer printing paper, in particular to a bottom coating film of water transfer printing paper and a production process thereof. Background technique [0002] Water transfer printing technology is the latest digital imaging technology beyond any printing technology. It uses special paper or ink to print images on any solid medium. Its biggest technical advantage is that it does not require special equipment, is not limited by media, does not require special consumables, and does not require high-temperature heating. It only needs to use image input tools such as scanners or digital cameras; drawing tools such as computers, Image output tool; for example: inkjet printer; plus water transfer printing paper and ink, any image can be printed on any solid object and any curved surface at will. In recent years, water transfer printing technology has been widely used. [0003] Water transfer printing p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H19/12
Inventor 张锋
Owner SHENZHEN WANJI TECH CO LTD