Dispersion and gelation behavior of alumina suspensions with Isobam
Source abstract
Abstract
Abstract As a copolymer of isobutylene and maleic anhydride, Isobam, a newly-developed gelling agent, plays a significant role in ceramic forming process. However, dispersion and gelation behavior of Isobam has not been discussed in detail yet. To investigate the influence of other dispersants, pH and electrolytes on dispersion and gelation behavior of Isobam, zeta potential, viscosity and modulus curves during gelation were measured from 50 vol% alumina suspensions with 0.1–0.7 wt% Isobam. A two-step bridging mechanism is proposed to explain the gelation behavior of Isobam, providing guidance on usage of Isobam in combination of other additives to achieve suspensions with high solids loading and adjustable gelation characteristic.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Concrete and Cement Materials Research · Injection Molding Process and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (27)
Show source-provided references
1. Huang · 2011
2. Gelcasting of alumina10.1111/j.1151-2916.1991.tb04068.x ↗
3. Alumina gelcasting by using HEMA system10.1016/j.jeurceramsoc.2004.04.024 ↗
4. New gel-casting process for alumina ceramics based on gelation of alginate10.1016/S0955-2219(01)00513-1 ↗
5. A novel gelcasting of alumina suspension using curdlan gelation10.1016/j.ceramint.2015.04.144 ↗
6. Casting uniform ceramics with direct coagulation
7. Direct coagulation casting- a new green shaping technique. I. Processing principles
8. Direct coagulation casting-a new green shaping technique. II. Application to Alumina
9. Preparation, characterization, and gelation of temperature-induced forming (TIF) alumina slurries10.1023/A:1011364509746 ↗
10. Rheological properties and gelation threshold of temperature induced forming (TIF) alumina suspensions with variation in molecular weight of polyacrylic acid10.1023/A:1023090025224 ↗
11. Temperature induced forming of zirconia from aqueous slurries: mechanism and rheology10.1016/S0955-2219(02)00060-2 ↗
12. Direct coagulation casting of alumina suspension from calcium citrate assisted by p shift10.1111/jace.12835 ↗
13. Room-temperature gelcasting of alumina with a water-soluble copolymer10.1557/jmr.2013.132 ↗
14. Gelcasting of transparent YAG ceramics by a new gelling system10.1016/j.ceramint.2014.04.125 ↗
15. Spontaneous gelcasting of translucent alumina ceramics10.1364/OME.3.001000 ↗
16. Fabrication of transparent Y2O3 ceramics via aqueous gelcasting10.1016/j.ceramint.2014.01.106 ↗
17. Fabrication of aluminum oxynitride (-Al ON) transparent ceramics with modified gelcasting10.1111/jace.12853 ↗
18. Aqueous gelcasting of the transparent Mg Al2O4 spinel ceramics10.1016/j.jallcom.2015.05.275 ↗
19. Gelcasting of Yb3Al5O12 using a nontoxic water-soluble copolymer as both dispersant and gelling agent10.1016/j.ceramint.2015.08.126 ↗
20. Fabrication of porous Al2O3 ceramics by rapid gelation and mechanical foaming10.1557/jmr.2013.170 ↗
21. Preparation and characterization of porous mullite ceramics via foam-gelcasting10.1016/j.ceramint.2015.03.237 ↗
22. The microstructure and mechanical properties of porous silicon nitride ceramics prepared via novel aqueous gelcasting10.1111/ijac.12424 ↗
23. Fabrication of porous SiC ceramics through a modified gelcasting and solid state sintering10.1016/j.msea.2015.12.061 ↗
24. A method for gelcasting high-strength alumina ceramics with low shrinkage10.1557/jmr.2013.381 ↗
25. Charging behavior at the alumina water interface and implications for ceramic processing10.1111/j.1551-2916.2007.02013.x ↗
26. Influence of TAC on dispersion of aqueous nano alumina suspension10.1007/BF02835047 ↗
27. Effect of polymer molecular weight on the absorption of polyacrylic acid at the alumina-water interface10.1016/S0927-7757(97)00132-5 ↗