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Metakolin (MK) + Water Glass (WG) based Geopolymer Composite (1) Brittle…
Metakolin (MK) + Water Glass (WG)
based Geopolymer Composite
1) Brittle behavior
2) Low flexural strength
3) Shrinkage
:check:Adding polymeric compound
Epoxy
MK+WG+Epoxy+Sand
Hardened epoxy resins from spherical particles (diameter range from 1 to 50 micrometer) homogenously dispersed into the inorganic matrix.
As a result, a co-matrix phase is formed that binds aggregates strongly.
1) Improve strength
Compressive strength
Toughness
2) Porosity decrease
Gas and water impermeability improved
Durability improved
No compatibilizer needs
water-soluble organic polymers
Polyvinyl alchol
Polypropylene
Polyvinyl acetate
:check:adding filler to the geopolymer
Bio-fibers : flax, cotton, wool
Poly(vinyl-alcohol) PVA, Poly(lactic-aid) PLA, Poly(acetal) POM
Graphene
Basalt fiber
Steel fiber
silicon carbide SiC fiber
Carbon / Glass fiber
3) Easy manufacturing process
Hand layup
Filament winding
Low temperature curing
1) Seismic retrofit of bridge
2) Building interior columns
(fire resistance & good adhesion to concrete)
2) Better specific strength (strength/density)
High specific flexural strength
High flexural modulus
:star:
1) High use tempearture than fabric reinforced phenolic resion composites
Temperature capability
Non-combustibility
1) Fire resistant aircraft components
2) Load bearing capability during severe fire exposure
( Applications in the chemical industry)
Fireproof pipe, tanks, and decking
