Morphology and Surface Area of Cellular Structured Resorcinol/Formaldehyde Microspheres: Effect of Ageing Conditions

Hae Joon Lee, Jun Young Lee, Kyung Nam Lee, Joong In Kim, Jung Hyun Kim

Research output: Contribution to journalArticle

Abstract

Cellular structured resorcinol/formaldehyde (R/F) microspheres were synthesized via the sol-emulsion-gel reaction and followed by supercritical drying with CO2. The materials were characterized by thermogravimetry, FT-IR spectroscopy, nitrogen physisorption technique and scanning electron microscopy. Variation of ageing conditions leaded to different micro and macro-structure, which affected bulk density, pore size distribution, specific surface area, and morphology of cellular structured R/F microspheres. The resultant R/F microspheres have average pore sizes in the range of less than 100 nm. Increasing the ageing time leaded to decreased surface area of cellular structured R/F microspheres. As the ageing temperature increased, the bulk density increased and the surface area decreased. The pore morphology depended on the ageing temperature and it was evidenced by nitrogen physisorption experiments.

Original languageEnglish
Pages (from-to)309-319
Number of pages11
JournalCellular Polymers
Volume20
Issue number5
Publication statusPublished - 2001 Dec 1

Fingerprint

Microspheres
Formaldehyde
Aging of materials
Physisorption
Pore size
Nitrogen
Polymethyl Methacrylate
Sols
Emulsions
Specific surface area
Density (specific gravity)
Macros
Thermogravimetric analysis
Infrared spectroscopy
Drying
Gels
Temperature
Scanning electron microscopy
resorcinol
Experiments

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Organic Chemistry

Cite this

Lee, Hae Joon ; Lee, Jun Young ; Lee, Kyung Nam ; Kim, Joong In ; Kim, Jung Hyun. / Morphology and Surface Area of Cellular Structured Resorcinol/Formaldehyde Microspheres : Effect of Ageing Conditions. In: Cellular Polymers. 2001 ; Vol. 20, No. 5. pp. 309-319.
@article{8a5df17b0ff342ba9e320486fb6cea5b,
title = "Morphology and Surface Area of Cellular Structured Resorcinol/Formaldehyde Microspheres: Effect of Ageing Conditions",
abstract = "Cellular structured resorcinol/formaldehyde (R/F) microspheres were synthesized via the sol-emulsion-gel reaction and followed by supercritical drying with CO2. The materials were characterized by thermogravimetry, FT-IR spectroscopy, nitrogen physisorption technique and scanning electron microscopy. Variation of ageing conditions leaded to different micro and macro-structure, which affected bulk density, pore size distribution, specific surface area, and morphology of cellular structured R/F microspheres. The resultant R/F microspheres have average pore sizes in the range of less than 100 nm. Increasing the ageing time leaded to decreased surface area of cellular structured R/F microspheres. As the ageing temperature increased, the bulk density increased and the surface area decreased. The pore morphology depended on the ageing temperature and it was evidenced by nitrogen physisorption experiments.",
author = "Lee, {Hae Joon} and Lee, {Jun Young} and Lee, {Kyung Nam} and Kim, {Joong In} and Kim, {Jung Hyun}",
year = "2001",
month = "12",
day = "1",
language = "English",
volume = "20",
pages = "309--319",
journal = "Cellular Polymers",
issn = "0262-4893",
publisher = "RAPRA Technology Ltd.",
number = "5",

}

Morphology and Surface Area of Cellular Structured Resorcinol/Formaldehyde Microspheres : Effect of Ageing Conditions. / Lee, Hae Joon; Lee, Jun Young; Lee, Kyung Nam; Kim, Joong In; Kim, Jung Hyun.

In: Cellular Polymers, Vol. 20, No. 5, 01.12.2001, p. 309-319.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Morphology and Surface Area of Cellular Structured Resorcinol/Formaldehyde Microspheres

T2 - Effect of Ageing Conditions

AU - Lee, Hae Joon

AU - Lee, Jun Young

AU - Lee, Kyung Nam

AU - Kim, Joong In

AU - Kim, Jung Hyun

PY - 2001/12/1

Y1 - 2001/12/1

N2 - Cellular structured resorcinol/formaldehyde (R/F) microspheres were synthesized via the sol-emulsion-gel reaction and followed by supercritical drying with CO2. The materials were characterized by thermogravimetry, FT-IR spectroscopy, nitrogen physisorption technique and scanning electron microscopy. Variation of ageing conditions leaded to different micro and macro-structure, which affected bulk density, pore size distribution, specific surface area, and morphology of cellular structured R/F microspheres. The resultant R/F microspheres have average pore sizes in the range of less than 100 nm. Increasing the ageing time leaded to decreased surface area of cellular structured R/F microspheres. As the ageing temperature increased, the bulk density increased and the surface area decreased. The pore morphology depended on the ageing temperature and it was evidenced by nitrogen physisorption experiments.

AB - Cellular structured resorcinol/formaldehyde (R/F) microspheres were synthesized via the sol-emulsion-gel reaction and followed by supercritical drying with CO2. The materials were characterized by thermogravimetry, FT-IR spectroscopy, nitrogen physisorption technique and scanning electron microscopy. Variation of ageing conditions leaded to different micro and macro-structure, which affected bulk density, pore size distribution, specific surface area, and morphology of cellular structured R/F microspheres. The resultant R/F microspheres have average pore sizes in the range of less than 100 nm. Increasing the ageing time leaded to decreased surface area of cellular structured R/F microspheres. As the ageing temperature increased, the bulk density increased and the surface area decreased. The pore morphology depended on the ageing temperature and it was evidenced by nitrogen physisorption experiments.

UR - http://www.scopus.com/inward/record.url?scp=0346347581&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0346347581&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0346347581

VL - 20

SP - 309

EP - 319

JO - Cellular Polymers

JF - Cellular Polymers

SN - 0262-4893

IS - 5

ER -