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Waterproof coating of carton

A waterproof coating and water-based coating technology, applied in paper coating, papermaking, coating, etc., can solve the problems of human health and environmental safety impact, unsatisfactory waterproof effect, etc., achieve low freezing point, good chemical stability, and increase brightness Effect

Active Publication Date: 2012-10-03
ANHUI JINDUN PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the raw material rosin often contains lead and other heavy metals and toxic compounds, which still have an impact on human health and environmental safety, and its waterproof effect is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Prepare the raw materials in parts by weight as follows: paraffin microemulsion 70 with a solid content of 30% and a pH value of 8, simethicone oil 60 with a viscosity of 20000 cps, emulsifier OP-10 6; heat the paraffin microemulsion to 100°C; add Simethicone oil was stirred at a stirring rate of 220 rpm for 2 hours; an emulsifier was added, stirring was performed at a high speed of 700 rpm for 25 min, and cooled to room temperature.

Embodiment 2

[0043] Raw materials are prepared in parts by weight as follows: paraffin microemulsion 80 with a solid content of 35% and a pH value of 7.5, simethicone oil 70 with a viscosity of 30000cps, and emulsifier OP-10 6; the paraffin microemulsion is heated to 90°C; Simethicone oil and stirred at a stirring rate of 190 rpm for 1.5 hours; adding an emulsifier, stirring at a high speed of 600 rpm for 20 min, and cooling to room temperature.

Embodiment 3

[0045] Raw materials are prepared in parts by weight as follows: paraffin microemulsion 30 with a solid content of 20% and a pH value of 7, simethicone oil 50 with a viscosity of 50000 cps, and emulsifier BP 4; the paraffin microemulsion is heated to 80°C; base silicone oil and stirred at a stirring rate of 100rpm for 1 hour; adding an emulsifier, stirring at a high speed of 500rpm for 15min, and cooling to room temperature.

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PUM

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Abstract

The invention relates to a waterproof coating, in particular to a waterproof coating of a carton, which comprises the following components in weight part: 30-120 parts of paraffin micro-emulsion, 50-90 parts of simethicone, and 4-8 parts of emulsifier. The waterproof coating is prepared according to a method as follows: (1) heating the paraffin micro-emulsion to 50-180 degree C; (2) adding simethicone and stirring for 0.5-3 hours; and (3) adding the emulsifier, stirring at a high speed for 10-40 minutes, and cooling to the room temperature. The waterproof coating of the carton, disclosed by the invention, has no pollution on the human body and the environment, can be combined with the base material firmly, and has excellent waterproof property.

Description

technical field [0001] The invention relates to a water-based coating, in particular to a carton waterproof coating and a preparation method thereof. Background technique [0002] Carton is currently the most common form of outer packaging for most products, and it is the first line of defense to protect product appearance, function, integrity, etc., and because water is the biggest culprit that causes damage to the appearance and function of many products, consumers are very concerned about cartons. Water resistance has extremely high requirements. The method of enhancing the waterproofness of cartons is mainly to add a waterproof coating layer on the surface of the carton, and the method of adding coating is mainly organic printing, manual brushing, spraying, etc. The existing carton waterproof coatings generally contain a large amount of organic solvents, which seriously pollute the air and do not meet the requirements of environmental protection; at the same time, the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/18D21H19/32D21H21/06
Inventor 梅长林张国胜胡兰
Owner ANHUI JINDUN PAINT
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