Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Study on Improving Properties of Tile Cement Mortar by Mixing of Additives

Additives의 혼합에 의한 Tile Cement Mortar 물성향상 연구

  • Lee, Moo-Jin (Samsung Fine Chemicals Co., Mecellose Team) ;
  • Shin, Young-Jo (Department of Polymer Science & Engineering, Pusan National University)
  • Received : 1999.02.26
  • Accepted : 1999.04.14
  • Published : 1999.05.10

Abstract

In this study, to improve the required properties of tile cement mortar such as excellent water retention capacity (WRC), workability, open time, sag resistance, and tile adhesive strength, tile cement mortars containing the several additives with different ratio were compared and analyzed. By adding small amount of synthesized starch to hydroxypropyl methylcellulose (HPMC) which is used for improving WRC, the decrease of moisture evacuation from mortar surface was observed and the workability of mortar was improved with long open time. Polyacrylamide (PAAm) and ethylencvinyl acetate (EVAc) were also added in order to increase the adhesion of tile. As a results, the saggings of mortar itself and tile were decreased and the adhesive strength of mortar between base and tile was enhanced. By adding melment, the workability was improved by increasing the fluidity of mortar. It is postulated that the properties of tile cement mortar was improved by adding 0.80~1.20% of HPMC, 0.10~0.15% of starch, 0.001~0.015% of PAAm, 0.05~0.10% of EVAc and 0.003~0.005% of melment to the cement mortar.

Keywords

Water Retention;WorkabiIity;Open Time;Sag Resistance;Adhesive Strength

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References

  1. ANNUAL BOOK of ASTM STANDARDS. D 2363-79
  2. KS L 5201-89 Portland Cement
  3. JIS R 6253 일본공업규격
  4. JIS A 5209 일본공업규격
  5. ANNUAL BOOK of ASTM STANDARDS v.04.01
  6. DIN 1164, Sag Resistance
  7. Anal. Chem. v.51 K. S. Hodges;W. E. Kester;D. L .Wiederrich
  8. Proceedings of Third International Conference Y. Sekiguchi;T. Ukigai
  9. 콘크리트 혼화재료 한국콘크리트학회
  10. コンクリ-ト混和劑の開發と最新技術 CMC
  11. JIS A 6203-96 일본공업규격
  12. DIN 1163 Part 7, Open Time
  13. DIN 18555, Water Retentivity
  14. JIS R 5210 Portland Cement 일본공업규격
  15. ANNUAL BOOK of ASTM STANDARDS. D3876-96
  16. JIS R 5210 일본공업규격