CN102977400B - Foaming-inhibition type ADCA (azodicarbonamide) foaming agent, and preparation method and application of foaming agent - Google Patents
Foaming-inhibition type ADCA (azodicarbonamide) foaming agent, and preparation method and application of foaming agent Download PDFInfo
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- CN102977400B CN102977400B CN201210529323.0A CN201210529323A CN102977400B CN 102977400 B CN102977400 B CN 102977400B CN 201210529323 A CN201210529323 A CN 201210529323A CN 102977400 B CN102977400 B CN 102977400B
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- foaming
- adca
- foaming agent
- whipping agent
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Abstract
The invention relates to a foaming-inhibition type ADCA (azodicarbonamide) foaming agent. The foaming-inhibition type ADCA foaming agent is prepared by combining one or more inhibitors with ADCA in a certain ratio. The foaming agent is non-toxic, inodorous and harmless, can induce difference to generate uneven patterns in use, and is wildly applied to the foaming of indoor decorating materials such as foaming wallpapers.
Description
Technical field
The present invention relates to a kind of whipping agent, particularly relate to a kind of inhibition expansion type ADCA whipping agent.The invention still further relates to the preparation and application of described whipping agent.
Background technology
ADCA, i.e. Cellmic C 121, molecular formula is H
2nCONNCONH
2, outward appearance is flaxen crystalline powder.ADCA itself is nontoxic, odorless, nonflammable, and it is large to have gas forming amount, bubble is even, pollution-free to goods, mould is not corroded, decomposition temperature is adjustable, does not affect the features such as curing and shaping speed, is therefore widely used in the foaming of the synthetic materialss such as polyvinyl chloride, polyethylene, polypropylene, polystyrene, ABS and various rubber.
Existing ADCA whipping agent, when application, foams narrow-minded, and easily produces toxic and harmful.
Because the defect that above-mentioned existing ADCA whipping agent exists, the inventor is based on being engaged in this type of product design manufacture abundant practical experience and expertise for many years, positive research and innovation in addition, to founding a kind of new inhibition expansion type ADCA whipping agent, when this whipping agent foams for a kind of material, blowing temperature approaches material foaming temperature, after foaming at the bottom of matter evenly, soft, luster performance is good.
Summary of the invention
Main purpose of the present invention is, overcomes the defect of existing ADCA whipping agent, and a kind of new inhibition expansion type ADCA whipping agent is provided, thereby can improve initiation amount, simultaneously nontoxic tasteless.
Another object of the present invention is to, a kind of preparation method who suppresses expansion type ADCA whipping agent is provided, technical problem to be solved is the product of a kind of submicron order of preparation, improves the production automation degree of product and the homogeneity of product granularity simultaneously.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of inhibition expansion type ADCA whipping agent proposing according to the present invention, it contains Cellmic C 121 and inhibitor, and described inhibitor comprises di-carboxylic acid and hydrazides, phenols, amine and/or triazole species.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid inhibition expansion type ADCA whipping agent, wherein further contains metal ion activation agent, and described metal ion activation agent comprises sodium bicarbonate and Zinic stearas.
Aforesaid inhibition expansion type ADCA whipping agent, wherein, by weight percentage, in whipping agent, Cellmic C 121 is 70%, and sodium bicarbonate is 10%, and Zinic stearas is 5%, CH
6n
4o
3be 5%, C
6h
3o
4sCl
2na is 10%.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.Foundation
A kind of method of preparing high dispersive sexual type ADCA whipping agent that the present invention proposes, it comprises the steps:
(1) Cellmic C 121 is processed into the powder of submicron order;
(2) tensio-active agent is processed into the powder of submicron order; And
(3) Cellmic C 121 and tensio-active agent after processing are mixed to form to high dispersive sexual type ADCA whipping agent.
Aforesaid inhibition expansion type ADCA whipping agent, wherein the particle diameter of sub-micron powder is 8-15um.
Aforesaid inhibition expansion type ADCA whipping agent, the wherein said powder that Cellmic C 121 is processed into submicron order is that Cellmic C 121 is entered to supersonic nozzle through ejector action, and in the crushiing chamber of pulverizer, pulverize be accelerated to certain speed under action of high-speed airflow after, and after cyclonic separator separation, obtain the Cellmic C 121 of required submicron order; The described powder that tensio-active agent is processed into submicron order is that it passes through under the effect of compressed air, by reinforced Venturi, forms high-speed jet and enters pulverizer, is ground into the satisfactory product of particle diameter.
In sum, whipping agent provided by the invention is environmentally friendly, nontoxic tasteless, can be for the foaming of the wallpaper etc. of foaming, it has above-mentioned many advantages and practical value, and at similar product, in preparation method and application, there are no similar design, publish or use and really genus innovation, no matter it is at product, in preparation method or in function, all there is larger improvement, have large improvement technically, and produced handy and practical effect, and more existing ADCA whipping agent has the multinomial effect of enhancement, thereby be more suitable for practicality, and there is the extensive utility value of industry, it is really a novelty, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technique means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention, is described in detail as follows.
Embodiment
For further setting forth the present invention, reach technique means and the effect that predetermined goal of the invention is taked, following preferred embodiment, inhibition expansion type ADCA whipping agent and preparation and application thereof to proposing according to the present invention, be described in detail as follows.
In the following embodiments, unless otherwise specified, the ADCA that wherein used, inhibitor, the per-cent of the components such as metal ion activation agent is all by weight.
The equipment such as the pulverizer using in preparation process in the following embodiments,, cyclonic separator are all equipment conventional in this area.It is to be noted, in order better to mix ADCA and tensio-active agent, correct position in the crushiing chamber of pulverizer is provided with for adding the reinforced Venturi of tensio-active agent, this be also those of ordinary skills after seeing the solution of the present invention, can realize.
Embodiment 1
According to weight percent, by Cellmic C 121, be 70% respectively, sodium bicarbonate is 10%, Zinic stearas is 5%, CH
6n
4o
3be 5%, C
6h
3o
4sCl
2na 10% is prepared whipping agent of the present invention by the following method.
By supersonic airstream co-grinding ADCA, air-flow is under self High Pressure during by force by crushiing chamber nozzle, to produce high velocity air, ADCA enters supersonic nozzle through the ejector action of negative pressure, and under action of high-speed airflow, be accelerated to certain speed, high pressure draft is done turning motion and is formed powerful swirling eddy in crushiing chamber with particle, make the behaviors such as Particle Acceleration, the raw impact of hybrid concurrency, collision, pulverize qualified fine particle and shifted onto in cyclone separating chamber by air-flow, thicker particle continues to pulverize in crushiing chamber.Through multiple tracks sub-sieve, filtering, reaching 8-15um(is submicron order) specialty products.
Tensio-active agent is under the effect of compressed air, by reinforced Venturi, form high-speed jet and enter pulverizer, the pulverizing nozzle of pulverizer periphery has directivity and sprays high velocity air to crushiing chamber, thereby make to produce between tensio-active agent fierce collision, friction, shearing, is pulverized.High velocity air passes through cyclonic separator again, and sized particles departs from classification eddy flow, by central outlet, is discharged, and pulverizes air-flow and through particle collector, completes the collection of gaseous emission and tensio-active agent again.
Tensio-active agent and ADCA are mixed, obtain desired product.The outward appearance of product is faint yellow.
Resulting product is detected, and blowing temperature is 200 ℃.Gas forming amount under condition under 25 ℃, 1 normal atmosphere is 218ml/g.Also the gas forming amount 216ml/g of more independent ADCA whipping agent increases.The particle diameter of product is 8-15um.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the method for above-mentioned announcement and technology contents to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. suppress an expansion type ADCA whipping agent, by weight percentage, in whipping agent, Cellmic C 121 is 70%, and sodium bicarbonate is 10%, and Zinic stearas is 5%, CH
6n
4o
3be 5%, C
6h
3o
4sCl
2na is 10%.
2. inhibition expansion type ADCA whipping agent claimed in claim 1 is for the foaming of finishing material, and wherein said finishing material comprises foaming wallpaper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529323.0A CN102977400B (en) | 2012-12-10 | 2012-12-10 | Foaming-inhibition type ADCA (azodicarbonamide) foaming agent, and preparation method and application of foaming agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529323.0A CN102977400B (en) | 2012-12-10 | 2012-12-10 | Foaming-inhibition type ADCA (azodicarbonamide) foaming agent, and preparation method and application of foaming agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102977400A CN102977400A (en) | 2013-03-20 |
| CN102977400B true CN102977400B (en) | 2014-04-16 |
Family
ID=47851766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210529323.0A Expired - Fee Related CN102977400B (en) | 2012-12-10 | 2012-12-10 | Foaming-inhibition type ADCA (azodicarbonamide) foaming agent, and preparation method and application of foaming agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102977400B (en) |
-
2012
- 2012-12-10 CN CN201210529323.0A patent/CN102977400B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 改性AC发泡剂的现状与发展对策;潘英曙;《江西化工》;20070930;第19-23页 * |
| 潘英曙.改性AC发泡剂的现状与发展对策.《江西化工》.2007,第19-23页. |
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| Publication number | Publication date |
|---|---|
| CN102977400A (en) | 2013-03-20 |
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