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Method for preparing epoxy flax oil plasticizers

The technology of epoxy linseed oil and plasticizer is applied in the field of material additives, which can solve the problems of low temperature of synthetic products and easy corrosion of equipment, and achieve the effects of good plasticization, simple production steps and cost saving.

Inactive Publication Date: 2015-12-16
CHANGZHOU OPTICAL MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem mainly solved by the present invention: Aiming at the drawbacks that hydrogen peroxide is used as the main oxidant in the preparation process of the existing epoxy linseed oil, the equipment is easy to corrode and the temperature of the synthetic product is low, a method for preparing ozone by dissolving ozone in distilled water and freezing is provided. Using melting ice as an oxidizing agent, the prepared epoxy linseed oil is stable, efficient and has a long acting time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Take 1L of distilled water and place it in an ice-salt bath to cool down. When the temperature is 0°C, connect the gas outlet of the ozone generator to the sand filter head with a polytetrafluoroethylene rubber tube, and rinse the sand filter head with distilled water for 5 times, and then Put it in distilled water, seal the water surface with a polyethylene film, turn on the ozone generator for 30 minutes to prepare ozone distilled water, and quickly place it in an insulated bucket filled with liquid nitrogen to freeze it quickly to obtain ozonated water. Ice, for subsequent use; by weight fraction, select 5 parts of formic acid aqueous solution with a mass fraction of 60%, 45 parts of sherwood oil and 50 parts of linseed oil, and mix and stir them evenly at 20°C, with a stirring speed of 800r / min, after mixing and stirring for 5 minutes, place it in a 90°C constant temperature water bath at a speed of 1200r / min, stir and mix until the temperature of the mixed solutio...

example 2

[0020] Take 1.5L of distilled water and place it in an ice-salt bath to cool down. When the temperature is 2°C, connect the gas outlet of the ozone generator to the sand filter head with a polytetrafluoroethylene rubber tube, and rinse the sand filter head with distilled water 5 times. Then put it in distilled water, seal the water surface with a polyethylene film, turn on the ozone generator for 40 minutes to prepare ozone distilled water, and quickly place it in an insulation bucket filled with liquid nitrogen to freeze it quickly to obtain ozone Melt ice and set aside; in terms of weight fraction, respectively select 10 parts of formic acid aqueous solution with a mass fraction of 60%, 40 parts of petroleum ether and 50 parts of linseed oil, and mix and stir them evenly at 25 ° C, and the stirring speed is 900 r / min, after it was mixed and stirred for 8 minutes, it was placed in a 95°C constant temperature water bath at a speed of 1300r / min, and stirred and mixed until th...

example 3

[0022] Put 2L of distilled water in an ice-salt bath to cool down. When the temperature is 5°C, connect the gas outlet of the ozone generator to the sand filter head with a Teflon rubber tube, and rinse the sand filter head with distilled water for 6 times, and then Put it in distilled water, seal the water surface with a polyethylene film, turn on the ozone generator for 60 minutes to prepare ozone distilled water, and quickly place it in an insulated bucket filled with liquid nitrogen to freeze it quickly to obtain ozonated water. Ice, for subsequent use; by weight fraction, choose 20 parts of formic acid aqueous solution with a mass fraction of 60%, 35 parts of sherwood oil and 45 parts of linseed oil, and mix and stir them evenly at 30°C, with a stirring speed of 1000r / min, after mixing and stirring for 10 minutes, place it in a constant temperature water bath at 100°C at a speed of 1500r / min, stir and mix until the temperature of the mixed solution is 95°C; after the te...

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PUM

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Abstract

The invention relates to a method for preparing epoxy flax oil plasticizers, and belongs to the technical field of material additives. The defects that in the existing epoxy flax oil preparing process, hydrogen peroxide is used as main oxidizing agents, devices are prone to being corroded, and the temperature performance of the synthesized product is low are overcome. The method includes the steps that ozonized ice is prepared to serve as oxidizing agents, then catalysis is carried out through formic acid, and the epoxy flax oil is prepared from flax oil. According to the method, as the common oxidizing agents are replaced by the ozonized ice, cost is saved, and meanwhile the devices are prevented from being corroded; the prepared epoxy flax oil is good in plasticity, and breaking elongation and impacting strength are improved by 30% to 50%; the production steps are simple, and cost is saved.

Description

technical field [0001] The invention relates to a preparation method of an epoxy linseed oil plasticizer, belonging to the technical field of material additives. Background technique [0002] Epoxy vegetable oil is an important new plasticizer, which not only plasticizes polyvinyl chloride, but also rapidly absorbs hydrogen chloride released due to the degradation of heat and light, and reduces unstable hydroxychloroallyl conjugated bis The formation of bonds prevents the continuous decomposition of polyvinyl chloride plastic, so it acts as a stabilizer again. At the same time, it can be used in combination with polyester plasticizers, which has an obvious synergistic effect on reducing the migration of polyester. It can also be used with organic metal salt stabilizers to produce synergistic effects and reduce the amount of organic metal salts. [0003] As a high-quality vegetable oil, linseed oil itself has 3 carbon-carbon double bonds, and can produce epoxy compounds with...

Claims

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Application Information

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IPC IPC(8): C07D303/42C07D301/06
CPCC07D303/42C07D301/06
Inventor 陈毅忠高力群薛红娟
Owner CHANGZHOU OPTICAL MATERIAL
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