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A kind of liquid carboxylate metal salt and its preparation method and application

The technology of metal carboxylate and zinc carboxylate is applied in the field of liquid metal carboxylate and its preparation to achieve the effects of improving reaction yield, improving thermal stability and anti-precipitation performance, and reducing acid value

Active Publication Date: 2018-10-30
ZHEJIANG HIMPTON NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patents 201010104069.0 and 201110421961.6 report a preparation method and application of a barium-zinc liquid composite stabilizer, which all introduce the preparation methods of liquid barium carboxylate salt and liquid zinc carboxylate salt, but do not have any reference to these two carboxylate metal salts. Explore, optimize and innovate the reaction process (reaction time, reaction temperature, catalyst type)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Preparation of liquid barium carboxylate salt:

[0035] Mix 200kg oleic acid, 100kg isooctanoic acid, 130kg barium hydroxide monohydrate, 40kg diethylene glycol butyl ether and 30kg polyethylene glycol 400, stir, slowly raise the temperature to 100-105°C, react for 2 hours, dehydrate under reduced pressure for 40 minutes, Filter, collect filtrate and make liquid barium carboxylate 445kg.

Embodiment 2

[0037] Preparation of liquid zinc carboxylate salt:

[0038] 100kg isooctanoic acid, 10kg p-tert-butylbenzoic acid, 30kg zinc oxide, 20kg dipropylene glycol methyl ether and 9kg polyethylene glycol fatty ether AEO 3 Mix and stir, slowly raise the temperature to 110-115°C, react for 3 hours, dehydrate under reduced pressure for 35 minutes, filter, collect the filtrate to obtain 160kg of liquid barium carboxylate salt.

Embodiment 3

[0040] Preparation of liquid barium zinc carboxylate:

[0041] Mix 200kg oleic acid, 100kg isooctanoic acid, 80kg barium hydroxide monohydrate, 20kg zinc oxide, 50kg diethylene glycol butyl ether and 18g polyethylene glycol octylphenyl ether Triton X-100, stir, and slowly heat up to 100 ~105°C, react for 2 hours, dehydrate under reduced pressure for 40 minutes, filter, collect the filtrate to obtain 340 kg of liquid barium zinc carboxylate.

[0042] In Examples 1 to 3, the influence of the type and amount of phase transfer catalyst (accounting for the weight percentage of the mixed acid) on the reaction process and product yield is shown in Table 1.

[0043] Table 1 The effect of different phase transfer catalyst types and addition amounts on the reaction process and product yield

[0044] catalyst

[0045] Note: "Blank" means that no phase transfer catalyst is added during the synthesis process, and the others are consistent with Examples 1-3.

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Abstract

The invention provides liquid metal carboxylate. The liquid metal carboxylate is prepared with the following method: mixed acid is mixed with a metal precursor, an organic solvent and a phase transfer catalyst, and the mixture is reacted at the temperature of 80-130 DEG C for 2-4 h; a reaction liquid is subjected to decompression dehydration and is filtered, and a filtrate is collected, and the liquid metal carboxylate is obtained. An acyclic polyether transfer catalyst is introduced into the preparation process of the liquid metal carboxylate, the reaction efficiency of fatty acid salt can be effectively improved, the acid value of the reaction end point is reduced, and the reaction yield is improved; the liquid metal carboxylate can be applied to preparation of a composite PVC (polyvinyl chloride) heat stabilizer, and the thermal stability and the precipitation resistant performance of the composite PVC heat stabilizer system can be improved.

Description

(1) Technical field [0001] The invention relates to a liquid carboxylate metal salt, a preparation method thereof, and an application in preparing a PVC composite thermal stabilizer. (2) Background technology [0002] Polyvinyl chloride (PVC) is the second largest plastic species next to polyethylene. It has high strength, excellent corrosion resistance and insulation. Its products are widely used in construction, electrical appliances, toys, packaging and other industries. However, PVC has its structural defects. It is unstable when heated and decomposes to release hydrogen chloride gas. The solution is to add heat stabilizers to PVC processing. Liquid barium-zinc composite stabilizer has been more and more widely used in soft PVC products because of its advantages of no dust pollution in the production and application process, convenient measurement and low price. [0003] At present, the research and development of liquid metal composite stabilizer products are gradually...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L91/00C08K5/098C08K5/06C08K5/524C08K5/526C08K5/134C07C51/41C07C53/126C07C57/12C07C63/04
CPCC07C51/412C08K5/098C08L27/06C08L2201/08C08L91/00C08K5/06C08K5/524C08K5/526C08K5/1345C07C53/126C07C57/12C07C63/04
Inventor 唐伟瞿英俊高尔金刘毓林廖永林陈森方
Owner ZHEJIANG HIMPTON NEW MATERIAL
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