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A plant type paper releasing agent and a preparing method thereof

An anti-adhesive agent and plant-based technology, which is applied in the field of plant-based paper anti-adhesive agent and its preparation, can solve the problems of poor paper adhesion, environmental pollution, non-degradability, etc., and achieve low surface tension, good adhesion, and low cost. cheap effect

Inactive Publication Date: 2018-06-15
SUZHOU FENGBEI BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are two types of anti-adhesive agents: silicone and non-organic silicon. Although the anti-adhesive agent of organic silicon has good anti-adhesive effect, it is expensive, has certain toxicity, and pollutes the environment; non-organic anti-adhesive, such as emulsified Paraffin, although inexpensive and non-toxic, has poor adhesion to paper and is nondegradable like silicones

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take 18% modified vegetable oil, 2% fatty acid, 5% sorbitan fatty acid ester, 5% polyoxyethylene sorbitan monooleate, 0.1% higher alcohol fatty acid ester complex , 69.9% water.

[0022] The oil phase: modified vegetable oil, fatty acid, and emulsifier are mixed and heated to a liquid state, and the temperature is controlled at 40°C; the water phase: water and defoamer are mixed and heated, and the temperature is controlled at 40°C. Pour the oil phase into the preheated emulsifier, and the temperature of the emulsifier is controlled at 50°C through an external water bath or its own temperature control system. Set the shear speed of the emulsifier to 500r / min, start the emulsifier, slowly and evenly add the water phase, after the water phase is added, adjust the shear speed to 1000r / min, emulsify for 10min, and then adjust the shear speed to 500r / min , emulsified for 15 minutes, finally the emulsification was completed, and the material was discharged to obtain an aqueo...

Embodiment 2

[0024] Get 15% modified vegetable oil, 5% fatty acid, 7.5% glyceryl monostearate, 7.5% polyoxyethylene octylphenol ether-10, 0.3% higher carbon alcohol fatty acid ester complex, 64.7% of water.

[0025] Mix the oil phase: modified vegetable oil, fatty acid and emulsifier, heat and melt, control the temperature at 75°C, and the water phase: mix water and defoamer and heat to 75°C. Pour the oil phase into the preheated emulsifier, and the temperature of the emulsifier is controlled at 60°C through an external water bath or its own temperature control system. Set the shear speed of the emulsifier to 500r / min, start the emulsifier, slowly and evenly add the water phase, after the water phase is added, adjust the shear speed to 1200r / min, emulsify for 5min, and then adjust the shear speed to 600r / min , emulsified for 20 minutes, finally the emulsification was completed, and the material was discharged to obtain an aqueous emulsion with a solid content of 30% and a diameter of less...

Embodiment 3

[0027] Take 21% modified vegetable oil, 4% fatty acid, 4% sorbitan fatty acid ester, 3.5% propylene glycol monolaurate, 7.5% polyoxyethylene sorbitan monooleate, 0.2% High carbon alcohol fatty acid ester complex, 59.8% water.

[0028] Mix the oil phase: modified vegetable oil, fatty acid and emulsifier, heat and melt, control the temperature at 70°C, and the water phase: mix water and defoamer and heat to 70°C. Pour the oil phase into the preheated emulsifier, and the temperature of the emulsifier is controlled at 70°C through an external water bath or its own temperature control system. Set the shear speed of the emulsifier to 500r / min, start the emulsifier, slowly and evenly add the water phase, after the water phase is added, adjust the shear speed to 1000r / min, emulsify for 10min, and then adjust the shear speed to 500r / min , emulsified for 15 minutes, finally the emulsification was completed, and the material was discharged to obtain an aqueous emulsion with a solid cont...

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Abstract

A plant type paper releasing agent and a preparing method thereof are disclosed. The releasing agent is prepared from modified vegetable oil, fatty acids, an emulsifier, a defoamer and water. The modified vegetable oil is obtained by modifying conventional vegetable oil. The emulsifier is an oil-in-water type emulsifier. The method includes weighing the components according to a formula ratio, mixing the oil phase including the modified vegetable oil, the fatty acids and the emulsifier, heating the oil phase to melt the oil phase until a liquid state, mixing the water phase including the waterand the defoamer, heating the water phase until the temperature of the water phase is same as the temperature of the oil phase, and subjecting the two phases to mixing, shearing and uniform emulsification in a kettle. The releasing agent can form a dense plant wax anti-sticking coating on a paper surface. The releasing agent is an aqueous emulsion, is characterized by being nontoxic, harmless, environmentally friendly and biodegradable, has low surface tension, good antisticking effects, good adhesive force with paper, a low cost, and is convenient to coat.

Description

technical field [0001] The invention relates to the technical field of paper coating, in particular to a plant-based paper antisticking agent and a preparation method thereof. Background technique [0002] With the rapid development of society, the output and quality of special paper in our country have been greatly improved, and the variety has been continuously enriched, especially anti-adhesive paper has become an indispensable paper type for industrial production and people's daily life. Anti-adhesive paper, also known as release paper, release paper or release paper, is a kind of anti-adhesive material obtained by coating the paper base with anti-adhesive agent (also called release agent) and going through a certain manufacturing process. An anti-adhesive agent is a substance that can reduce or eliminate the adhesive force existing on the surface and separate two surfaces that are difficult to separate or cannot be separated. There are two types of anti-adhesive agents...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H21/14
CPCD21H21/14
Inventor 申夏夏任鹏马敏钱玲玲
Owner SUZHOU FENGBEI BIOTECH CO LTD
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