Novel plasticizer and preparation method thereof

A technology of plasticizer and citric acid, which is applied in the field of polymer material additives and its preparation, can solve the problems of high volatility, low plasticizing efficiency and high economic cost of citric acid high-carbon alcohol ester plasticizers, and achieve Effect of low volatility and excellent plasticizing efficiency

Active Publication Date: 2014-12-10
山东万图高分子材料股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The present invention aims to solve the shortcomings of the existing citric acid low-carbon alcohol ester plasticizers that the plasticizer is not resistant to migration, high volatility and high economic cost, and the low plasticizing efficiency of the citric acid high-carbon alcohol ester plasticizers The shortcoming of providing a kind of plasticizer and preparation method thereof

Method used

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  • Novel plasticizer and preparation method thereof
  • Novel plasticizer and preparation method thereof
  • Novel plasticizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] (1) The preparation method of the composite catalyst: Weigh 10 g of zinc acetate and 2 g of antimony trioxide in a 50 ml beaker, perform electromagnetic stirring at room temperature, mix evenly, and set aside.

[0057] (2) Esterification reaction: Add 1mol citric acid, 1mol n-butanol, 3mol octanol, 0.5mol cyclohexane into a 1000ml four-neck flask equipped with a temperature-controlled oil bath, agitator, water separator, and reflux condenser Heating to 30°C, stirring, until the citric acid is completely dissolved and mixed evenly with alcohol, take a sample to measure the initial acid value A of the reaction solution 0 , then add 6.7g of the composite catalyst prepared in step (1), heat to 100°C, and stir to generate reflux. When the water produced by the reaction begins to separate from the water separator, it is counted as the start time of the esterification reaction. When completely anhydrous is separated from the water separator, the reaction is considered to have...

Embodiment 2

[0063] (1) In the esterification reaction, add 1mol citric acid, 2mol n-butanol, 2mol octanol, 0.5mol hexamethylene and 6.2g compound catalyst prepared by step (1) in Example 1, other steps and conditions and implementation Example 1 is the same, and the esterification rate is 99.32%.

[0064] The modified citric acid ester of gained is checked through gas chromatography-mass chromatography, and its components are:

[0065] components

Embodiment 3

[0067] (1) In the esterification reaction, add 1mol citric acid, 3mol n-butanol, 1mol octanol, 0.5mol hexamethylene and 5.6g compound catalyst prepared by step (1) in Example 1, other steps and conditions and implementation Example 1 is the same, and the esterification rate is 99.12%.

[0068] The modified citric acid ester of gained is checked through gas chromatography-mass chromatography, and its components are:

[0069] components

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Abstract

The invention relates to a novel plasticizer and a preparation method thereof, which overcome the defects that the existing low-carbon alcohol citrate plasticizers are non-transference-resistant, high in volatility and high in economic costs and high-carbon alcohol citrate plasticizers are low in efficiency. The novel plasticizer contains at least two types of citrate compounds. The novel plasticizer disclosed by the invention can be used as a plasticizer, and widely applied to the fields of plastic compositions and adhesives and the like.

Description

technical field [0001] The invention relates to a polymer material additive and a preparation method thereof, in particular to a plasticizer and a preparation method thereof. Background technique [0002] Polyvinyl chloride (PVC) is widely used in all aspects of production and life because of its good economy, such as drinking water pipes, medical products (infusion bags, infusion tubes, medical packaging, etc.), food packaging (preservative film, fresh-keeping Bags, gaskets, etc.), children's toys (including imported toys, inflatable toys), cultural and sports items (zipper type transparent file bags, plastic skipping rope, plasticine, swimming rings), plastic raincoats, rain boots, etc. From the above applications, the safety of PVC products is very important to people. [0003] Traditional PVC products are mainly produced by PVC resin, plasticizer and heat stabilizer through certain processing methods. At present, the PVC resin produced in China is basically non-toxic, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/11C07C69/704C07C67/08C08L27/06
Inventor 周昌林王春娥雷景新闫建强
Owner 山东万图高分子材料股份有限公司
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