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Compound Plastic Additives

A technology of additives and plastics, which is applied in the formulation and preparation of high-grade composite plastic additives, can solve the problems of increased quality risk, large difference in performance of metal fatty carboxylate, etc., and achieves easy processing, excellent comprehensive performance, and realization of profit effect

Active Publication Date: 2016-08-03
BELIKE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The performance of various metal fatty carboxylate products is quite different, which brings huge pressure to the selection of materials for stabilizer production
To balance the outstanding advantages of various metal fatty carboxylates, it is necessary to constantly adjust the formula of calcium and zinc in the stabilizer, which also increases the quality risk

Method used

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  • Compound Plastic Additives

Examples

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Effect test

specific Embodiment approach 1

[0018] Specific implementation mode one: see figure 1 , The composition and weight percentages of this specific implementation are: 8% metal oxide, 78% C10-20 mixed fatty acid, and 0.5% catalyst.

[0019] The metal oxides are zinc oxide and calcium hydroxide, and the weight percentages of zinc oxide and calcium hydroxide are: 15%-40%: 60%-85%.

[0020] Its preparation process is:

[0021] 1. Acid melting process: In a container with a certain capacity, add an appropriate amount of C10-20 mixed fatty acids, slowly increase the temperature at normal pressure to melt, control the temperature at 70°C-90°C, start stirring slowly, C10-20 mixed fatty acids Melt slowly until completely melted before proceeding to the next step.

[0022] 2. Chemical synthesis process: transfer the molten C10-20 mixed fatty acid to the reaction kettle, slowly add the metal oxide and hydroxide in a good proportion, then slowly add a certain amount of catalyst, cover it to seal it, Then slowly raise th...

specific Embodiment approach 2

[0027] Embodiment 2: The difference between this embodiment and Embodiment 1 is that its composition and weight percentage are respectively: 10% metal oxide, 85% C10-20 mixed fatty acid, 0.8% catalyst, and its preparation method is the same as The specific embodiment one is the same.

specific Embodiment approach 3

[0028] Embodiment 3: This embodiment differs from Embodiment 1 in that its composition and weight percentage are: 12% metal oxide, 87% C10-20 mixed fatty acid, and 1% catalyst.

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Abstract

The present invention discloses a composite plastic auxiliary agent, and relates to the field of environmental protection PVC heat stabilizers. The composite plastic auxiliary agent comprises, by weight, 8-12% of a metal oxide, 78-87% of C10-20 mixed fatty acids, and 0.5-1% of a catalyst. The preparation process comprises: 1) an acid melting process, 2) a chemical synthesis process, 3) dehydration and pressure relief process, 4) a cooling and material unloading process, and 5) a crushing, packaging and weighing process. According to the present invention, the low temperature high pressure device is adopted, the metal fatty acid carboxylates with different melting points are subjected to the one-step reaction, and the temperature, the pressure and the catalyst are effectively controlled to prepare the composite metal soap melt so as to make the comprehensive performance be superior to the characteristics of the monomers and easily process; and characteristics of direct use, cost saving and profit achievement are provided.

Description

technical field [0001] The invention relates to the field of environmentally friendly PVC heat stabilizers, in particular to a formula of high-grade composite plastic additives and a preparation method thereof. Background technique [0002] In recent years, fatty acid zinc and fatty acid calcium have occupied a large market share as environmentally friendly PVC heat stabilizers due to their environmental protection and excellent performance. The initial whiteness of zinc soap is excellent, and the thermal stability of calcium soap is better in the middle and later stages. The two are often used together to achieve good results. In the actual production process, zinc soap and calcium soap powder are mixed and matched, often due to the difference between the two powders and the difference in operation, the compound mixture is uneven, and even affects the thermal stability of PVC processing. [0003] Domestic stabilizer manufacturers mainly use metal soap compounding and mixi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K5/098C08L27/06
Inventor 丁际昭刘鑫林文勇郭向荣
Owner BELIKE CHEM
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