CN103265826A - Inorganic flame retardant surface modification method - Google Patents
Inorganic flame retardant surface modification method Download PDFInfo
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- CN103265826A CN103265826A CN2013102325889A CN201310232588A CN103265826A CN 103265826 A CN103265826 A CN 103265826A CN 2013102325889 A CN2013102325889 A CN 2013102325889A CN 201310232588 A CN201310232588 A CN 201310232588A CN 103265826 A CN103265826 A CN 103265826A
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- combustion inhibitor
- coupling agent
- inorganic combustion
- inorganic flame
- flame retardant
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Abstract
The invention discloses an inorganic flame retardant surface modification method which comprises the following steps: filling an inorganic flame retardant in a surface pretreatment device for heating and preheating, adding a coupling agent into an organic solvent, dissolving the coupling agent in a container, spraying the dissolved coupling agent into a reaction container in the respective container in a high-pressure spraying mode, mounting a stirring rod for fully stirring in the reaction container, and fusing to obtain the surface modified inorganic flame retardant. According to the mode, the aluminum hydroxide and other inorganic flame retardants can be modified through surface treatment and are used for enhancing the adhesion force to polymers and improving the affinity to an interface, so that the dehydration reaction is finished in a certain temperature range.
Description
Technical field
The present invention relates to a kind of surface modifying method, particularly relate to a kind of inorganic combustion inhibitor surface modifying method.
Background technology
Inorganic combustion inhibitor has stronger polarity and wetting ability because of it, applying frequency is very high in the engineering plastics prescription, the flame retardant effect of inorganic combustion inhibitor strengthens along with the increase of addition in application, but loading level is crossed the intensity that conference reduces material, therefore we add certain coupling agent and carry out surface treatment and strengthen flame retardant effect in fire retardant, to such an extent as to but the insufficient reaction effect that causes of fire retardant and coupling agent reaction reduces, and therefore needs a kind of blending means to improve this situation.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of inorganic combustion inhibitor surface modifying method, inorganic combustion inhibitors such as aluminium hydroxide can be carried out modification through surface treatment, with the bonding force that is used for improving itself and polymkeric substance and with the interface affinity, make it in certain temperature range, finish reaction.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of inorganic combustion inhibitor surface modifying method is provided, and step comprises:
(1) the surface preparation device preheating of stirring, heat of packing into of the inorganic combustion inhibitor in will filling a prescription;
(2) coupling agent in will filling a prescription adds in the organic solvent, carries out abundant stirring and dissolving in coupling agent container, and rev/min speed is 150 ~ 350 rev/mins;
(3) simultaneously spray in reaction vessel in the high-pressure fog mode formula material in surface preparation device and the coupling agent container;
(4) add catalyzer in reaction vessel, stirring rod is installed, the stirring rod rotating speed is 250 ~ 400 rev/mins, and reaction is 15 ~ 25 minutes;
(5) reaction is obtained inorganic fire-retarded agent composition and put into distiller and distill and remove organic solvent, obtain the inorganic combustion inhibitor of surface modification at last.
In a preferred embodiment of the present invention, in the described prescription, the inorganic fire-retarded dosage that adds and coupling dosage calculate by its volume percent.
In a preferred embodiment of the present invention, described inorganic combustion inhibitor pack into surface preparation device warm up time of heating is 20 ~ 30 minutes.
The invention has the beneficial effects as follows: the special device that the present invention can utilize bidirectional high-pressure to spray fully stirs fire retardant and coupling agent, and it is fully reacted, and has reached the reasonable utilization to material, has improved the flame retardant effect of fire retardant.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
The embodiment of the invention provides following technical scheme.
In one embodiment, a kind of inorganic combustion inhibitor surface of aluminum hydroxide method of modifying, step comprises:
(1) the surface preparation device preheating of stirring, heat of packing into of the inorganic combustion inhibitor aluminium hydroxide in will filling a prescription;
(2) the coupling agent titanic acid ester in will filling a prescription adds in the organic solvent ethanol, carries out abundant stirring and dissolving in coupling agent container, and rotating speed is 150 ~ 350 rev/mins;
(3) simultaneously spray in reaction vessel in the high-pressure fog mode formula material in surface preparation device and the coupling agent container;
(4) add catalyzer in reaction vessel, stirring rod is installed, the stirring rod rotating speed is 250 ~ 400 rev/mins, and reaction is 15 ~ 25 minutes;
(5) reaction is obtained material and put into distiller and distill and remove organic solvent ethanol, obtain the inorganic combustion inhibitor of surface modification at last.
In the described prescription, the inorganic fire-retarded dosage that adds and coupling dosage calculate by its volume percent.
Preferably, described inorganic combustion inhibitor pack into surface preparation device warm up time of heating is 20 ~ 30 minutes.
The present invention effectively raises the abundant parcel of inorganic fire-retarded dosage and coupling agent by the improvement to the inorganic combustion inhibitor surface modifying method, has saved starting material, makes inorganic combustion inhibitor have better flame retardant effect.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (3)
1. inorganic combustion inhibitor surface modifying method is characterized in that step comprises:
(1) the surface preparation device preheating of stirring, heat of packing into of the inorganic combustion inhibitor in will filling a prescription;
(2) coupling agent in will filling a prescription adds in the organic solvent, carries out abundant stirring and dissolving in coupling agent container, and rev/min speed is 150 ~ 350 rev/mins;
(3) simultaneously spray in reaction vessel in the high-pressure fog mode formula material in surface preparation device and the coupling agent container;
(4) add catalyzer in reaction vessel, stirring rod is installed, the stirring rod rotating speed is 250 ~ 400 rev/mins, and reaction is 15 ~ 25 minutes;
(5) reaction is obtained material and put into distiller and distill and remove organic solvent, obtain the inorganic combustion inhibitor of surface modification at last.
2. inorganic combustion inhibitor surface modifying method according to claim 1 is characterized in that, in the described prescription, the inorganic fire-retarded dosage that adds and coupling dosage calculate by its volume percent.
3. inorganic combustion inhibitor surface modifying method according to claim 1 is characterized in that, described inorganic combustion inhibitor pack into surface preparation device warm up time of heating is 20 ~ 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102325889A CN103265826A (en) | 2013-06-13 | 2013-06-13 | Inorganic flame retardant surface modification method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102325889A CN103265826A (en) | 2013-06-13 | 2013-06-13 | Inorganic flame retardant surface modification method |
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| CN103265826A true CN103265826A (en) | 2013-08-28 |
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| CN2013102325889A Pending CN103265826A (en) | 2013-06-13 | 2013-06-13 | Inorganic flame retardant surface modification method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371379A (en) * | 2014-10-10 | 2015-02-25 | 洛阳中超非金属材料有限公司 | Surface modification method for ultrafine aluminum hydroxide |
| CN105504888A (en) * | 2015-12-29 | 2016-04-20 | 江苏创景科技有限公司 | Silanization treatment method of aluminum hydroxide filler |
| CN106590067A (en) * | 2016-12-16 | 2017-04-26 | 江南大学 | Recycling surface modification method for aluminum oxide powder high in water dispersion stability |
| CN114302919A (en) * | 2019-09-02 | 2022-04-08 | 株式会社德山 | Method for treating metal oxide powder with chemical and method for producing the same |
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| CN102634065A (en) * | 2012-04-26 | 2012-08-15 | 江苏达胜高聚物有限公司 | Preparation method of high-flame-retardant surface modified nano aluminum hydroxide |
| WO2012115057A1 (en) * | 2011-02-21 | 2012-08-30 | 旭化成ケミカルズ株式会社 | Coating material containing organic/inorganic composite, organic/inorganic composite film and antireflection member |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH04198278A (en) * | 1990-11-26 | 1992-07-17 | Shin Etsu Chem Co Ltd | Method of surface treatment of inorganic particle, and thermosetting resin composition |
| CN101054482A (en) * | 2006-04-14 | 2007-10-17 | 南通市东洲镁质化工材料有限公司 | Surface modifying method for natural brucite ultra thin powder and application thereof |
| WO2009153936A1 (en) * | 2008-06-18 | 2009-12-23 | 丸尾カルシウム株式会社 | Magnesium hydrate composition and manufacturing method thereof, and resin composition and molded article thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371379A (en) * | 2014-10-10 | 2015-02-25 | 洛阳中超非金属材料有限公司 | Surface modification method for ultrafine aluminum hydroxide |
| CN105504888A (en) * | 2015-12-29 | 2016-04-20 | 江苏创景科技有限公司 | Silanization treatment method of aluminum hydroxide filler |
| CN106590067A (en) * | 2016-12-16 | 2017-04-26 | 江南大学 | Recycling surface modification method for aluminum oxide powder high in water dispersion stability |
| CN114302919A (en) * | 2019-09-02 | 2022-04-08 | 株式会社德山 | Method for treating metal oxide powder with chemical and method for producing the same |
| CN114302919B (en) * | 2019-09-02 | 2023-03-31 | 株式会社德山 | Method for treating metal oxide powder with chemical and method for producing the same |
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Application publication date: 20130828 |