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Emulsified paraffin and preparation method thereof

A technology for emulsifying paraffin and paraffin, which is applied in the field of preparation of emulsifying paraffin, can solve problems such as rising, and achieve the effects of reducing production cost, good waterproof effect and long-lasting waterproof effect.

Inactive Publication Date: 2014-08-13
YUNNAN YUJIABAO ARTIFICAL WOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with 2003, the price of paraffin wax has risen by more than 80%, which brings great cost pressure to wood-based panel enterprises

Method used

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  • Emulsified paraffin and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0030] figure 1 A method for preparing emulsified paraffin wax according to one embodiment of the present invention is shown. According to this method, first enter step S1100, after heating 65 parts of paraffin to 48°C, add 3 parts of Tween 80 to raise the temperature to 78°C, add 0.8 parts of Span 60 to raise the temperature to 100°C, and keep the temperature at 100°C for 15 minutes ; Then enter step S1200, add 22.5 parts of water for the first time at 92°C to the emulsion with a constant temperature of 100°C, keep stirring at 92°C for 10 minutes; then enter step S1300 to adjust the pH value, and keep the temperature constant at The 92°C aqueous solution is naturally cooled to 80°C, and a 25% sodium hydroxide aqueous solution is added dropwise while stirring in the 80°C aqueous solution until the pH value of the system is 8.0; finally enter the step S1400, and the pH-adjusted aqueous solution is Cool down to 78°C, heat and stir for 5 minutes, add 50 parts of the second water...

Embodiment 2

[0032] figure 1 A method for preparing emulsified paraffin wax according to one embodiment of the present invention is shown. According to this method, first enter step S1100, after heating 75 parts of paraffin to 52°C, add 5 parts of Tween 80 to raise the temperature to 82°C, add 1.2 parts of Span 60 to raise the temperature to 105°C, and keep the temperature at 105°C for 25 minutes; Enter step S1200, add 27.5 parts of water for the first time at 95°C to the emulsion at a constant temperature of 105°C, keep stirring at 95°C for 20 minutes; then enter step S1300 to adjust the pH value, and keep the temperature at 95°C The aqueous solution is naturally cooled to 82°C, and a 35% sodium hydroxide aqueous solution is added dropwise while stirring in the 82°C aqueous solution until the system pH value is 8.5; finally enter the step S1400, and cool the pH-adjusted aqueous solution to 80°C, heat preservation and stirring for 10 minutes, add 55 parts of the second water at 80°C, stir...

Embodiment 3

[0034] figure 1 A method for preparing emulsified paraffin wax according to one embodiment of the present invention is shown. According to this method, first enter step S1100, after heating 70 parts of paraffin wax to 50°C, add 4 parts of Tween 80 to heat up to 80°C, add 1 part of Span 60 and heat up to 105°C, and keep warm at 105°C for 20 minutes Then enter the step S1200, add 25 parts of water for the first time at 94°C to the emulsion with a constant temperature of 105°C, and keep stirring at 94°C for 15 minutes; then enter the step S1300 to adjust the pH value, and keep the temperature constant at The 94°C aqueous solution is naturally cooled to 81°C, and a 30% sodium hydroxide aqueous solution is added dropwise while stirring in the 81°C aqueous solution until the pH value of the system is 8.3; finally enter the step S1400, and the pH-adjusted aqueous solution Cool down to 78°C, heat-preserve and stir for 8 minutes, add 50 parts of the second water at 78°C, stir for 8 mi...

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Abstract

The invention discloses a preparation method of an emulsified paraffin. The raw materials required by the preparation method comprise 65-75 parts of paraffin, 3-5 parts of Tween 80, 0.8-1.2 parts of Span 60, 22.5-27.5 parts of primary water, 50-55 parts of secondary water and 25-35% sodium hydroxide water solution. The preparation method comprises the following steps: (1) heating the paraffin to 48-52 DEG C, adding the Tween 80, heating to 78-82 DEG C, adding the Span 60, heating to 100-105 DEG C, and keeping the temperature of 100-105 DEG C for 15-25 minutes; (2) adding 92-95 DEG C primary water into the emulsion with the constant temperature of 100-105 DEG C, and stirring for 10-20 minutes while keeping at the temperature of 92-95 DEG C; (3) naturally cooling the water solution with the constant temperature of 92-95 DEG C to 80-82 DEG C, and dropwisely adding the sodium hydroxide water solution into the 80-82 DEG C water solution while stirring until the PH value of the system is 8.0-8.5; and (4) cooling the water solution to 78-80 DEG C, stirring for 5-10 minutes while keeping the temperature, adding 75-80 DEG C secondary water, stirring for 5-10 minutes, and cooling to 40 DEG C below. The invention also discloses an emulsified paraffin prepared by the method.

Description

technical field [0001] The invention relates to an emulsified paraffin, in particular to a preparation method of the emulsified paraffin. Background technique [0002] The floor substrate is one of the main raw materials for the production of laminate flooring, and many properties of the laminate floor depend on the relevant properties of the floor substrate. The output of medium and high density fiberboard and particleboard in my country in 2006 has exceeded 27 million / m 3 , if the average amount of paraffin used is 6kg / m 3 , The price of paraffin is calculated at 10,000 yuan / T, and medium and high-density fiberboard and particleboard consume 1.62 billion yuan of paraffin every year. Affected by rising international oil prices, paraffin prices have risen year after year. Compared with 2003, the price of paraffin wax has risen by more than 80%, which brings great cost pressure to wood-based panel enterprises. [0003] Therefore hope to provide a kind of emulsified paraff...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/03C08L91/06
Inventor 罗杨
Owner YUNNAN YUJIABAO ARTIFICAL WOOD