Preparation and characterization of large-size halloysite nanotubes particles by a combined technique of interfacial polymerization and condensation polymerization
Source abstract
Abstract
To granulate halloysite nanotubes (HNTs) into large-size particles, interfacial polymerization and condensation polymerization were combined. The former was used to form surface layer of particles and the latter was used to improve particle strength. Polyethylenimine (PEI) and terephthaloyl chloride were chosen, respectively as hydrophilic monomer and hydrophobic monomer in interfacial polymerization. Condensation polymerization was carried out between PEI and glycerol polyglycidyl ether (GPE). The results show that HNTs particles have sphere shape and its diameters range from 1.7 to 2.5 mm and vary with preparation condition. SEM images show that particles have typical core–shell structure with dense surface layer and porous inner structure and single nanotube is completely encapsulated by polymer material. The characterization of BET shows that because of dense surface layer and encapsulation of nanotubes, the specific surface area of particles determined decreases dramatically.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Clay minerals and soil interactions · Iron oxide chemistry and applications · Layered Double Hydroxides Synthesis and Applications
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References (19)
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1. Buijink JKF, Vlaandern J, Crocker M, Niele FGM (2004) Propylene epoxidation over titanium-on-silica catalyst. Catal Today 93–95:199–204. doi: 10.1016/j.cattod.2004.06.04110.1016/j.cattod.2004.06.041 ↗
2. Chandrasekar G, Hartmann M, Palanichamy M, Murugesan V (2007) Extrusion of AlSBA-15 molecular sieves: an industrial point of view. Catal Commun 8:457–461. doi: 10.1016/j.catcom.2006.07.02110.1016/j.catcom.2006.07.021 ↗
3. Fu YB, Zhang LD, Zheng JY (2005) In situ deposition of Pd nanoparticles on tubular halloysite template for initiation of metallization. J Nanosci Nanotechnol 5(4):558–564. doi: 10.1166/jnn.2005.08310.1166/jnn.2005.083 ↗
4. Jiang BB, Hu L, Gao CY, Shen JC (2005) Crosslinked polysaccharide nanocapsules: preparation and drug release properties. Acta Biomater 2:9–18. doi: 10.1016/j.actbio.2005.08.00610.1016/j.actbio.2005.08.006 ↗
5. Kelly HM, Deasy PB, Ziaka E, Claffey N (2004) Formulation and preliminary in vivo dog studies of a novel drug delivery system for the treatment of periodontitis. Int J Pharm 274:167–183. doi: 10.1016/j.ijpharm.2004.01.01910.1016/j.ijpharm.2004.01.019 ↗
6. Levis SR, Deasy PB (2002) Use of coated microtubular halloysite for the sustained release of diltiazem hydrochloride and propranolol hydrochloride. Int J Pharm 253:145–157. doi: 10.1016/S0378-5173(02)00702-010.1016/S0378-5173(02)00702-0 ↗
7. Liu P, Zhao MF (2009) Silver nanoparticle supported on halloysite nanotubes catalyzed reduction of 4-nitrophenol (4-NP). Appl Surf Sci 255(7):3989–3993. doi: 10.1016/j.apsusc.2008.10.09410.1016/j.apsusc.2008.10.094 ↗
8. Luo P, Zhao YF, Zhang B, Liu JD, Yang Y, Liu JF (2010) Study on the adsorption of neutral red from aqueous solution onto halloysite nanotubes. Water Res 44:1489–1497. doi: 10.1016/j.watres.2009.10.04210.1016/j.watres.2009.10.042 ↗
9. Machado GS, Castro KADF, Wypych F et al (2008) Immobilization of metalloporphyrins into nanotubes of natural halloysite toward selective catalysts for oxidation reactions. J Mol Catal A Chem 283(1–2):99–107. doi: 10.1016/j.molcata.2007.12.00910.1016/j.molcata.2007.12.009 ↗
10. Martínez F, Melero JA, Botas JA, Pariente MI, Molina R (2007) Treatment of phenolic effluents by catalytic wet hydrogen peroxide oxidation over Fe2O3/SBA-15 extruded catalysts in a fixed bed reactor. Ind Eng Chem Res 46:4396–4405. doi: 10.1021/ie070165h10.1021/ie070165h ↗
11. Melero JA, Iglesias J, Sainz-Pardo J, Frutos P, Blázquez S (2008) Agglomeration of Ti-SBA-15 with clay for liquid phase olefin epoxidation in a continuous fixed bed reactor. Chem Eng J 139:631–641. doi: 10.1016/j.cej.2008.01.01310.1016/j.cej.2008.01.013 ↗
12. Price RR, Gaber BP, Lvov Y (2001) In vitro release characteristics of tetracycline HCl, khellin and nicotinamide adenine dinucleotide from halloysite a cylindrical material. J Microencapsul 18:713–722. doi: 10.1080/0265204001001953210.1080/02652040010019532 ↗
13. Saihi D, Vroman I, Giraud S, Bourbigot S (2006) Microencapsulation of ammonium phosphate with a polyurethane shell. Part II. Interfacial polymerization technique. Reac Funct Polym 66:1118–1125. doi: 10.1016/j.reactfunctpolym.2006.02.00110.1016/j.reactfunctpolym.2006.02.001 ↗
14. Siddhan P, Jassal M, Agrawal AK (2007) Core content and stability of n-Octadecane-Containing polyurea microencapsules produced by interfacial polymerization. J Appl Polym Sci 106:786–792. doi: 10.1002/app.2605610.1002/app.26056 ↗
15. Taira S, Du YZ, Kodaka M (2005) Trap and release of oligonucleotide using pH-Responsive amphoteric particle prepared by interfacial polymerization in W/O miniemulsion system. Biotechnol Bioeng 93:396–400. doi: 10.1002/bit.2071110.1002/bit.20711 ↗
16. Takahashi M, Taguchi Y, Tanaka M (2010) Microencapsulation of hydrophilic solid powder as a flame retardant with epoxy resin by using interfacial reaction method. Polym Adv Technol 21:224–228. doi: 10.1002/pat.141010.1016/S0921-8831(10)00055-5 ↗
17. Theng BKG, Wells N (1995) Assessing the capacity of some New Zealand clays for decolourizing vegetable oil and butter. Appl Clay Sci 9(5):321–326. doi: 10.1016/0169-1317(94)00031-K10.1016/0169-1317(94)00031-K ↗
18. Zhang YW, Jiang JQ, Liang QH, Zhang B (2010) Modification of halloysite nanotubes with poly(styrene-butyl acrylate-acrylic acid) via in situ soap-free graft polymerization. J Appl Polym Sci 117:3054–3059. doi: 10.1002/app.3208710.1002/app.32087 ↗
19. Zhao YF, Zhang B, Zhang X, Wang JH, Liu JD, Chen RF (2010) Preparation of highly ordered cubic NaA zeolite from halloysite mineral for adsorption of ammonium ions. J Hazard Mater 178:658–664. doi: 10.1016/j.jhazmat.2010.01.13610.1016/j.jhazmat.2010.01.136 ↗