Preparation, characterization, and evaluation of compressive strength of

polypropylene fiber reinforced geopolymer mortars

Haci Baykara1,2*, Mauricio H. Cornejo1,2, Andrés Espinoza2, Enriqueta García2, Nestor Ulloa3

1Facultad de Ingeniería Mecánica y Ciencias de la Producción, Escuela Superior Politécnica del Litoral,

ESPOL, Campus Gustavo Galindo Km 30.5 Vía Perimetral, Guayaquil, Ecuador

2Center of Nanotechnology Research and Development (CIDNA), Escuela Superior Politécnica del Litoral,

ESPOL, Campus Gustavo Galindo Km 30.5 Vía Perimetral, Guayaquil, Ecuador

3Facultad de Ingeniería, Universidad Nacional de Chimborazo, UNACH, Riobamba, 060102, Ecuador

475.90°C

400.27°C

499.53°C-10

-8

-6

-4

-2

0

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t Flo

w (W

/g)

0

20

40

60

80

100

120

Wei

ght (

%)

0 200 400 600 800 1000

Temperature (°C)

Sample: polipropilenoSize: 9.1670 mg DSC-TGA

File: C:...\TGA\Tga\polipropileno.001Operator: Enriqueta GarciaRun Date: 02-Aug-2017 11:52Instrument: SDT Q600 V20.5 Build 15

Exo Up Universal V4.5A TA Instruments

Fig.S1. TGA-DSC curves of polypropylene fiber

*Corresponding author.Email address: hbaykara@espol.edu.ec (H.Baykara)

Fig.S2. Thermogravimetric analysis (TGA) of the geopolymer mortars.

Fig.S3. Differential scanning analysis (DSC) of the geopolymer mortars samples.

Fig.S4. FTIR spectra of geopolymer mortars.

Fig.S5. SEM-EDX analysis of the geopolymer mortars with PPF=0 wt.%. with

Ca(OH)2=0,5 wt.%