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Beta-diketone organic barium-zinc PVC heat stabilizer and preparation method thereof

A heat stabilizer and diketone technology, applied in the field of β-diketone organic barium/zinc PVC heat stabilizer and its preparation, can solve the problems of difficult precipitation, poor lubricity, lower softening point of products, etc. Crystal, easy to use effect

Active Publication Date: 2016-09-21
吉林晟康医药包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Liquid barium zinc stabilizer has good compatibility with resins and plasticizers, good transparency, not easy to precipitate, less dosage and easy to use. The main disadvantage is that it has poor lubricity, reduces the softening point of the product, and will deteriorate after long-term storage.

Method used

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  • Beta-diketone organic barium-zinc PVC heat stabilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Introduce nitrogen into the ultrasonic reaction vessel equipped with a stirring device, then add 300mL of dichloromethane solution dissolved in 22.5g (0.1mol) of 1,3-diphenyl-1,3-propanedione, and then add 100mL of ammonia water , slowly drop 300mL of methanol solution containing 10g (0.05mol) of barium chloride into the ultrasonic reaction vessel at a reaction temperature of 50°C, turn on the stirring device and ultrasonic generating device during the dropping process, and set the frequency of the ultrasonic generating device After the dropwise addition, the solution is in a clear state at this time, stop stirring, keep the ultrasonic generating device to continue to work, slowly cool down to 0°C, the reaction solution is still, open the vent hole on the ultrasonic reaction container, and keep the nitrogen gas flowing in Exhaust from the exhaust hole, let the nitrogen gas discharge out of the ultrasonic reaction vessel along with a certain amount of reaction solvent, an...

Embodiment 2

[0023] Introduce nitrogen into the ultrasonic reaction vessel equipped with a stirring device, then add 300mL of dichloromethane solution dissolved in 22.5g (0.1mol) of 1,3-diphenyl-1,3-propanedione, and then add 100mL of ammonia water Slowly add 300mL of methanol solution containing 20g (0.1mol) of barium chloride to the ultrasonic reaction container at a reaction temperature of 25°C. During the dropping process, turn on the stirring device and the ultrasonic generating device. The set frequency of the ultrasonic generating device is After the dropwise addition, the solution is in a clear state at this time, stop stirring, keep the ultrasonic generating device to continue to work, slowly cool down to 0°C, the reaction solution is still, open the vent hole on the ultrasonic reaction container, and keep the nitrogen gas flowing in Exhaust from the exhaust hole, let the nitrogen gas discharge out of the ultrasonic reaction vessel along with a certain amount of reaction solvent, a...

Embodiment 3

[0025] Introduce nitrogen into the ultrasonic reaction vessel equipped with a stirring device, then add 300mL of dichloromethane solution dissolved in 22.5g (0.1mol) of 1,3-diphenyl-1,3-propanedione, and then add 100mL of ammonia water , slowly drop 300mL of methanol solution containing 14g (0.1mol) of zinc chloride into the ultrasonic reaction vessel at a reaction temperature of 25°C, turn on the stirring device and the ultrasonic generating device during the dropping process, and set the frequency of the ultrasonic generating device After the dropwise addition, the solution is in a clear state at this time, stop stirring, keep the ultrasonic generating device to continue to work, slowly cool down to 0°C, the reaction solution is still, open the vent hole on the ultrasonic reaction container, and keep the nitrogen gas flowing in Exhaust from the exhaust hole, let the nitrogen gas discharge out of the ultrasonic reaction vessel along with a certain amount of reaction solvent, a...

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Abstract

The invention discloses a beta-diketone organic barium-zinc PVC heat stabilizer and a preparation method thereof, and belongs to the technical field of PVC heat stabilizers. According to the technical scheme, the beta-diketone organic barium-zinc PVC heat stabilizer is prepared through the steps that a beta-diketone organic barium compound and a beta-diketone organic zinc compound are added into dichloromethane, and after dissolution by heating is conducted, crystallization by cooling is conducted, wherein the structural formula of the beta-diketone organic barium compound is shown as follows: (please see the formula in the description), the structural formula of the beta-diketone organic zinc compound is shown as follows: (please see the formula in the description), and R represents a phenyl group. The invention further discloses the preparation method of the beta-diketone organic barium-zinc PVC heat stabilizer. The beta-diketone organic barium-zinc PVC heat stabilizer integrates the advantages of a barium stabilizer and a zinc stabilizer and the advantages of a beta-diketone compound auxiliary heat stabilizer, achieves the effect of simultaneously using the two substances and is more convenient to use.

Description

technical field [0001] The invention belongs to the technical field of PVC heat stabilizers, and in particular relates to a β-diketone organic barium / zinc PVC heat stabilizer and a preparation method thereof. Background technique [0002] Polyvinyl chloride (PVC for short) is one of the five general-purpose plastics. It is an ideal material due to its low price and outstanding balance performance. It is also an ancient and active variety in the history of plastic applications. Its global output is second only to polyvinyl chloride Vinyl comes in second. my country is one of the largest producers of PVC resin. The domestic PVC industry has made great progress after more than 50 years of development. At present, there are more than 100 PVC production enterprises in China, and the production capacity ranks first among domestic synthetic resins. [0003] Generally, when PVC is heated to above 130°C, it begins to release HCl. This is because in the process of manufacturing PVC, ...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08K5/00C07C45/67C07C49/835
CPCC07C45/67C08K5/0091C08K2201/014C08L2201/08C07C49/835C08L27/06
Inventor 毛龙飞马春华索华俊郝秉慧李伟苗玉淇张银贵
Owner 吉林晟康医药包装有限公司
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