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Preparation method of functional nickel-catalyzed cis-polybutadiene rubber anti-aging agent

A technology of butadiene rubber and anti-aging agent, which is applied in the field of anti-aging agent preparation, can solve the problems of increased Mooney viscosity, yellowing of appearance color, and low quality of raw rubber products, achieving good synergistic effect and good anti-discoloration performance Effect

Active Publication Date: 2015-04-22
天津市津橡环保设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its shortcoming is that the anti-aging performance becomes poor at higher temperatures, especially the discoloration and inferior performance of phenolic antioxidants.
Its shortcoming is that the formula of the binary system composed of the main antioxidant and the auxiliary antioxidant is not as effective as the formula of the ternary system.
Its shortcoming is that the formula of the binary system composed of the main antioxidant and the auxiliary antioxidant is not as effective as the formula of the ternary system.
The results show that the Mooney viscosity value of the raw rubber product increases, the gel content increases, and the appearance color turns yellow, resulting in low quality of the obtained raw rubber product

Method used

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  • Preparation method of functional nickel-catalyzed cis-polybutadiene rubber anti-aging agent
  • Preparation method of functional nickel-catalyzed cis-polybutadiene rubber anti-aging agent
  • Preparation method of functional nickel-catalyzed cis-polybutadiene rubber anti-aging agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Weigh 25 grams of triethylene glycol bis-3-(3-tert-butyl-4-hydroxy-5-methylphenyl) propionate, 2,2'-methylene bis(4,6-di-tert-butyl phenyl) isooctyl phosphite 25 grams, bis (3-methyl-5-tert-butyl-4-hydroxybenzyl) sulfide 50 grams, antioxidant Irganox HP-13615 grams; add powder In the mixer, fully mix evenly, make anti-aging agent 1# sample of the present invention.

Embodiment 2

[0035] Weigh 25 grams of bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] triethylene glycol ester, 2,2'-methylene bis(4,6-di-tert Butylphenyl) isooctyl phosphite 25 grams, two (3-methyl-5-tert-butyl-4-hydroxybenzyl) sulfide 50 grams, antioxidant Irganox HP-13610 grams; add powder In a body mixer, fully mix evenly, make the 2# sample of anti-aging agent of the present invention.

Embodiment 3

[0037] Weigh 25 grams of bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] triethylene glycol ester, 2,2'-methylene bis(4,6-di-tert Butylphenyl) isooctyl phosphite 25 grams, bis(3-methyl-5-tert-butyl-4-hydroxybenzyl) sulfide 50 grams, antioxidant Irganox HP-13612 grams; add powder In the body mixer, fully mix uniformly, make antiaging agent 3# sample of the present invention.

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Abstract

The invention discloses a preparation method of a functional nickel-catalyzed cis-polybutadiene rubber anti-aging agent, and belongs to the technical field of the preparation of the anti-aging agent. The preparation method comprises the following steps of: adding a phenolic antioxidant, a novel thioether antioxidant, a phosphite antioxidant and an ion radical trapping agent into a powder mixer, and fully and uniformly mixing the above agents to obtain the anti-aging agent disclosed by the invention, wherein the proportion in mass ratio of the phenolic antioxidant to the novel thioether antioxidant to the phosphite antioxidant and to the ion radical trapping agent is as follows: the proportion in mass ratio of the phenolic antioxidant to the thioether antioxidant is 1:(1.0-2.0), the proportion in mass ratio of the phenolic antioxidant to the phosphite antioxidant is 1.0-2.0, and the proportion in mass ratio of the phenolic antioxidant to the ion radical trapping agent is 1:(0.05-1.0). The selected ion radical trapping agent can specifically have a complex reaction with trace metal ions such as nickel and aluminum contained in a glue solution and a crude rubber product to generate stable coordination compounds so as to prevent the generation of an unstable coordination compound by the bonding of an active metal ion and hydroperoxide.

Description

technical field [0001] The invention belongs to the technical field of anti-aging agent preparation, and in particular relates to a butadiene rubber composite anti-aging agent prepared by compounding traditional primary antioxidants and auxiliary antioxidants by adding functional additives to obtain a functional butadiene rubber The anti-aging agent is used in the production process to make the product have good anti-aging performance. Background technique [0002] The BHT anti-aging agent commonly used in butadiene rubber has a small molecular weight and is easily volatile when heated, which does not meet the environmental protection requirements of low pollution. Therefore, the anti-aging agent used in butadiene rubber is constantly being updated. [0003] Petrochemical Technology, 2001, 8 (2) discloses the application of 1076 anti-aging agent in butadiene rubber. 1076 has good anti-aging performance, and is non-volatile and does not pollute the environment. It is a better...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L9/00C08K5/134C08K5/526C08K5/375C08K5/1535
Inventor 杜飞韩斌徐婷婷
Owner 天津市津橡环保设备有限公司
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