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Barium-cadmium-zinc composite stabilizer and preparation method thereof

A composite stabilizer, barium cadmium technology, applied in the field of barium cadmium zinc composite stabilizer and its preparation, stabilizer, can solve the problems of opaque products, strong odor, high toxicity of lead salts, etc.

Pending Publication Date: 2021-09-10
广州百沙塑胶新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, lead salt is highly toxic, and the prepared product is opaque, and the coloring and dispersibility of the initial product are poor
Organotin is a heat stabilizer with good heat resistance and transparency, but it has a strong smell and is relatively expensive, so its use is limited

Method used

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  • Barium-cadmium-zinc composite stabilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0033] The raw materials are obtained according to the mass percentage of each component in Example 4, put into an enamel container, and under constant stirring, the temperature is raised to 120°C, and the heat preservation and stirring are continued for 60 minutes. After the materials are completely dissolved, vacuum dehydration is carried out. Continue stirring to 60°C, filter to remove impurities, and obtain a brown or golden yellow liquid, which is the barium-cadmium-zinc composite stabilizer.

preparation example 2

[0035] The raw materials are obtained according to the mass percentage of each component in Example 4, put into the enamel container, and under constant stirring, the temperature is raised to 120°C, and the heat preservation and stirring are continued for 75 minutes. After the materials are completely dissolved, vacuum dehydration is carried out. Continue stirring to 65°C, remove impurities by filtration, and obtain a brown or golden yellow liquid, which is the barium-cadmium-zinc composite stabilizer.

preparation example 3

[0037] The raw materials are obtained according to the mass percentage of each component in Example 4, put into an enamel container, and under constant stirring, the temperature is raised to 120°C, and the heat preservation and stirring are continued for 90 minutes. After the materials are completely dissolved, vacuum dehydration is carried out. Continue stirring to 70°C, filter to remove impurities, and obtain a brown or golden yellow liquid, which is the barium-cadmium-zinc composite stabilizer.

[0038] The performance test result of each preparation example is as shown in table 5:

[0039] table 5

[0040] Static stability time at 180°C 180℃ dynamic stability time Congo red test (min) Preparation Example 1 73 61 58 Preparation example 2 75 62 62 Preparation example 3 74 60 61

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Abstract

The invention discloses a barium-cadmium-zinc composite stabilizer and a preparation method thereof. The barium-cadmium-zinc composite stabilizer is prepared from fatty acid cadmium, fatty acid barium, solvent oil, fatty acid zinc, pentaerythritol, phosphite ester and an antioxidant. The barium-cadmium-zinc composite stabilizer has the beneficial effects that the barium-cadmium-zinc composite stabilizer provided by the invention has the advantages of good compatibility with PVC resin, long thermal stability time, high transparency, no dust pollution and the like, and plays a role in thermal stability during polyvinyl chloride processing. The invention also provides the preparation method of the barium-cadmium-zinc composite stabilizer, so as to obtain the barium-cadmium-zinc composite stabilizer.

Description

technical field [0001] The invention belongs to the field of fine chemicals, and relates to a stabilizer, more specifically, to a barium-cadmium-zinc composite stabilizer and a preparation method thereof. Background technique [0002] When polyvinyl chloride is processed, a certain amount of heat stabilizer must be added to prevent degradation and crosslinking reactions under the action of heat and light. Lead salt is the most widely used heat stabilizer due to its low price, good heat resistance and electrical insulation. However, the lead salt is highly toxic, and the obtained product is opaque, and the coloring and dispersibility of the initial product are poor. Organotin is a heat stabilizer with good heat resistance and transparency, but it has a strong smell and is relatively expensive, so its use is limited. Contents of the invention [0003] In order to solve the deficiencies of the prior art, the invention provides a barium-cadmium-zinc composite stabilizer with...

Claims

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Application Information

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IPC IPC(8): C08K5/098C08K5/053C08K5/524C08L27/06
CPCC08K5/098C08K5/053C08K5/524C08K2201/014C08L27/06
Inventor 杨志文杨俊鸿
Owner 广州百沙塑胶新材料有限公司
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