Foam material comprising esterification modified AC foaming agent and preparation method thereof

A technology of esterification modification and foaming materials, applied in organic chemistry, bulk chemical production, etc., to achieve the effects of lowering decomposition temperature, increasing gas production, and wide application range

Inactive Publication Date: 2019-04-23
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is widely used in various synthetic materials such as polyvinyl chloride, polyethylene, ethylene-vinyl ...

Method used

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  • Foam material comprising esterification modified AC foaming agent and preparation method thereof
  • Foam material comprising esterification modified AC foaming agent and preparation method thereof
  • Foam material comprising esterification modified AC foaming agent and preparation method thereof

Examples

Experimental program
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Embodiment 1-3

[0023] Examples 1-3, the weight distribution ratio of each component in each embodiment is shown in Table 1. Weigh each component according to the ratio, mix it in a high-speed mixer for 6-8 minutes, and discharge the material. Put the raw material of the mixture into the injection molding machine for injection. The temperature of the injection molding machine is controlled between 170-190 ° C to prepare the sample. Corresponding standard tests (see Table 2) and performance results are shown in Table 3.

[0024] Table 1: the formula composition (part) of embodiment 1-3

[0025]

[0026] Table 2: Mechanical property test standard

[0027]

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Abstract

The invention relates to a foam material comprising an esterification modified AC foaming agent and a preparation method thereof, which relates to a foam material and a preparation method thereof. Thepreparation method comprises the following steps: hydrolyzing esterification modified AC foaming agent and azodicarbonamide in an aqueous solution of sodium hydroxide to generate sodium azodicarboxylate, enabling the sodium azodicarboxylate to react with dimethyl sulfate in an aqueous solution in the presence of a phase transfer catalyst to generate the esterification modified AC foaming agent, and the structural formula of the foaming agent is as follows: (shown in the description). Alkoxy groups are introduced into the azodicarbonamide, so that the N-C bond electron cloud density can be reduced, the extent of overlapping is reduced, N-C bonds are easy to break, so that the prepared foaming agent is high in activity, the foaming amount is increased, the decomposition temperature falls ina processing range, and the foaming degree of the foam material can be improved.

Description

technical field [0001] The invention relates to a foaming material and a preparation method thereof, in particular to a foaming material containing an esterified modified AC foaming agent and a preparation method thereof. Background technique [0002] Foam materials are light in weight and have the functions of cushioning, sound absorption, shock absorption, heat preservation, and filtration, and are widely used in electronics, home appliances, automobiles, sports and leisure industries. Due to its wide range of uses, it is closely related to the basic industries of the national economy, and has maintained a stable and continuous growth of about 20% for many years. [0003] Azodicarbonamide is a general-purpose blowing agent with a large amount of gas. It is widely used in various synthetic materials such as polyvinyl chloride, polyethylene, ethylene-vinyl acetate copolymer, polypropylene, polystyrene, ABS, nylon-6 and neoprene, and no competitive product has appeared so fa...

Claims

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Application Information

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IPC IPC(8): C08J9/10C08L23/12C08L55/02C08L91/06C07C245/04
CPCC07C245/04C08J9/102C08J2203/04C08J2323/12C08J2355/02C08J2491/06Y02P20/52
Inventor 葛铁军唐昊洋赵越毛洪雨吴美珊刘晓洋
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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