A kind of plasticizer composite, preparation method and PVC composite material containing the same

A plasticizer and composite technology, applied in the field of plasticizer composites, preparation methods and PVC composite materials containing it, to achieve the effects of reducing color depth, reducing emissions, and reducing taste

Active Publication Date: 2022-07-01
JIANGSU SENHE CHEM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, in addition to odor requirements, customers in the preparation of automotive interior materials will also put forward higher performance requirements. For example, plasticizers are more conducive to the preparation of materials during use, reducing excessive requirements for conditions in the preparation process , For example, the color requirements of plasticizers are improved, and it is more necessary to use light-colored substances to improve the aesthetics of the obtained materials. The temperature resistance of the material; and the plasticizers of the series such as CN105237803, CN108218700, CN109503371 that have been applied for at present still have some deficiencies in the color of the plasticizer, the processing conditions of the composite material containing the plasticizer and the temperature resistance of the product.

Method used

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  • A kind of plasticizer composite, preparation method and PVC composite material containing the same
  • A kind of plasticizer composite, preparation method and PVC composite material containing the same
  • A kind of plasticizer composite, preparation method and PVC composite material containing the same

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preparation example Construction

[0040] The second aspect of the present invention provides a preparation method of the plasticizer compound, which includes four steps of esterification reaction, refining, pressure filtration and molecular distillation.

[0041] Preferably, the preparation method of the plasticizer compound comprises the following steps:

[0042] (1) Esterification: add alcohol substances and dianhydride substances in the reaction kettle, then add a catalyst, when the temperature rises to 220±10 ° C, start to draw air into the reaction kettle, and make the kettle into a negative pressure state , when the acid value of esterification is less than or equal to 0.1mgKOH / g, continue to turn on the negative pressure of the vacuum pump and dealcohol;

[0043] (2) Refining: the substance in step (1) is cooled and added to alkaline water for neutralization, and after neutralization, the temperature is raised while stripping, and the temperature is raised to 215±10° C. to maintain the stripping for 2.5...

Embodiment 1

[0056] Embodiment 1 of the present invention provides a plasticizer, and the preparation raw materials are dianhydrides, alcohols, catalysts, alkaline water and filter aids;

[0057] Alcohols are dodecanol, n-decanol, isodecanol, n-decanol was purchased from Fengyi Alcohol Industrial Co., Ltd., carbonyl value is 1.9mg / kg; the weight ratio of dodecanol, n-decanol, isodecanol It is 1:1.4:1.2; dianhydrides are phthalic anhydrides with a purity greater than or equal to 99.5%; the weight ratio of alcohols to dianhydrides is 3.5:1;

[0058] The catalyst content is 0.7wt‰ of alcohols; the catalyst is isopropyl titanate;

[0059] The amount of alkaline water is 4wt‰ of the alcohol content; the alkaline water is 10wt% sodium carbonate aqueous solution;

[0060] The filter aid is diatomite, which is SZ-308; the content of the filter aid is 1‰ of the alcohol content;

[0061] The preparation method of the plasticizer compound comprises the following steps:

[0062] (1) Esterification ...

Embodiment 2

[0067] Embodiment 2 of the present invention provides a plasticizer, and the preparation raw materials are dianhydrides, alcohols, catalysts, alkaline water and filter aids;

[0068] Alcohols are dodecanol, n-decanol, isodecanol, n-decanol was purchased from Fengyi Alcohol Industrial Co., Ltd., carbonyl value is 1.9mg / kg; the weight ratio of dodecanol, n-decanol, isodecanol It is 1:1.2:0.8; the dianhydrides are phthalic anhydrides with a purity greater than or equal to 99.5%; the weight ratio of alcohols to dianhydrides is 2.5:1;

[0069] The catalyst content is 0.3wt‰ of alcohols; the catalyst is isopropyl titanate;

[0070] The amount of alkaline water is 2wt‰ of the alcohol content; the alkaline water is 10wt% sodium carbonate aqueous solution;

[0071] The filter aid is diatomite, which is SZ-308; the content of the filter aid is 0.3‰ of the alcohol content;

[0072] The preparation method of the plasticizer compound is the same as that of Example 1.

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Abstract

The present invention relates to the technical field related to plasticizers, and more particularly, the present invention provides a plasticizer compound, a preparation method and a PVC compound material containing the same. A first aspect of the present invention provides a plasticizer compound, the preparation raw materials include dianhydrides, alcohols, catalysts, alkaline water and filter aids; wherein, the alcohols include n-decanol. The invention mainly provides a light-colored plasticizer, which improves the processing performance of the plasticizer and the PVC matrix material, and simultaneously improves the temperature resistance of the product obtained by using the plasticizer, reduces the haze and the taste of the composite material, And reduce VOC gas emissions.

Description

technical field [0001] The present invention relates to the technical field related to plasticizers, and more particularly, the present invention provides a plasticizer compound, a preparation method and a PVC compound material containing the same. Background technique [0002] With the improvement of the quality of life, the internal control quality of automobiles is becoming more and more strict. Smell, organic volatilization and other environmental problems inside the car are precisely one of the most common complaints from car customers. As one of the main raw materials of automotive interior parts, plasticizers contribute greatly to odor and organic volatilization, so the use of high-quality plasticizers will be the key to low odor and low volatilization. [0003] In addition, in addition to the odor requirements, the preparation customers of automotive interior materials will also put forward higher performance requirements. For example, plasticizers are more conduciv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/12C08L27/06C07C67/08C07C67/48C07C69/80
CPCC08K5/12C07C67/08C07C67/48C08K2201/014C07C69/80C08L27/06
Inventor 丁磊
Owner JIANGSU SENHE CHEM TECH CO LTD
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