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Auxiliary foaming agent and preparation method thereof

A technology of foaming aid and calcite, which is applied in the field of foaming aid and its preparation, can solve problems such as poor dispersion and affecting product quality, and achieve the effects of improving dispersion and fluidity, reducing content, and good fluidity

Active Publication Date: 2012-11-21
常州市英特玛柯橡塑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The agglomerated blowing agent is not well dispersed during the foam production process, and irregular large cells are formed during the production process, thereby affecting product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (Example 1, foaming aid and preparation method thereof)

[0019] After the foaming aid of the present embodiment is stirred evenly by 100g of attapulgite, 30g of zeolite, and 35g of calcite, it is placed in 150g of concentration and soaked in dilute hydrochloric acid of 2wt%. 50g of white carbon black is mixed and stirred evenly.

[0020] The preparation method of the blowing aid of the present embodiment has the following steps:

[0021] ① Mix 100g of attapulgite, 30g of zeolite, and 35g of calcite and stir evenly to obtain a mixed material.

[0022] The above-mentioned attapulgite, zeolite and calcite are all common non-metallic minerals, distributed in the south and north of my country, and can be purchased in related mines. The above-mentioned attapulgite in this embodiment comes from a powdery object with a product code of SL50 and a particle size of 1000 mesh to 1500 mesh manufactured by Nanjing Yadong Plastic Co., Ltd. The above-mentioned zeolite comes from a p...

Embodiment 2

[0030] (Example 2, foaming aid and preparation method thereof)

[0031] The rest of the blowing aid in this embodiment is the same as in Embodiment 1, except that the attapulgite is 90 g, the zeolite is 30 g, and the calcite is 55 g.

[0032] The rest of the preparation method of the above-mentioned foaming aid is the same as in Example 1, except that: when preparing the mixed material in step ①, the attapulgite used is 90 g, the zeolite is 30 g, and the calcite is 55 g.

Embodiment 3）

[0038] The rest of the foaming aid in this embodiment is the same as in Embodiment 1, except that the attapulgite is 80 g, the zeolite is 50 g, and the calcite is 35 g.

[0039] The rest of the preparation method of the above-mentioned foaming aid is the same as in Example 1, except that: when preparing the mixed material in step ①, the attapulgite used is 80 g, the zeolite is 50 g, and the calcite is 35 g.

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Abstract

The invention discloses an auxiliary foaming agent and a preparation method thereof. The auxiliary foaming agent is prepared by uniformly stirring attapulgite, zeolite and calcite, soaking the mixture in diluted hydrochloric acid of which the concentration is 0.5 to 6 weight percent, drying the mixture, crushing the dried mixture into powder, blending the powder and powdery white carbon black anduniformly stirring the mixture, wherein the weight ratio of the attapulgite to the zeolite to the calcite to the white carbon black is (0.3-0.8):(0.02-0.6):(0.1-0.8):(0.01-0.8). The auxiliary foamingagent disclosed by the invention has high liquidity and dispersibility, makes a foaming agent move to the direction with little ammonia gas to the greatest extent and can absorb and react the generated ammonia gas at the same time.

Description

technical field [0001] The invention relates to a foaming aid and a preparation method thereof. Background technique [0002] As we all know, adding a foaming agent to plastics and rubber can produce foam sponges. The added foaming agent decomposes and releases gas at a specific temperature and pressure, and forms a porous foam-like structure in expandable materials such as resins. Various foam sponge-form articles can be prepared. There are many kinds of chemical blowing agents commonly used, including organic chemical blowing agents and inorganic chemical blowing agents. Organic chemical blowing agents mainly include azodicarbonamide (ADC), dinitrosopentamethylenetetramine (DPT), sulfonyl hydrazides (OBSH), etc.; inorganic chemical blowing agents mainly include sodium bicarbonate, Potassium bicarbonate, ammonium carbonate, ammonium bicarbonate, etc. [0003] Because each blowing agent has its own inherent properties, such as azodicarbonamide, ammonium bicarbonate and ot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08K3/00C08K3/34C08K3/26C08K3/36C08J9/10
Inventor 杨晓梅肖春阳
Owner 常州市英特玛柯橡塑科技有限公司
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