The modification of natural rubber (NR) using grafting method with maleic anhydride (MA) is intended to improve adhesion of the matrix as a binder on sand aggregate surface. In this work, natural rubber (Standard Indonesian Rubber: SIR 10) was modified using reflux technique, for 60 minutes, in toluene solution with various concentration of MA (i.e.,1,3,5,7,10phr) in the presence of constant concentration of benzoyl peroxide (BPO: 0.5 phr) as initiator. The reaction mixture were then evaporated and dried under vacuum oven at 60°C to constant weight. Amount of grafted MA in NR matrices were determined by titration method using potassium hydroxide in ethanol solution after exhaustive washing in acetone-methanol solvents. It was found that the optimum grafting degree of MA in NR matrix was 7.6%,when used 7 phr of MA, and this was confirmed by FTIR spectra analysis which showed the presence of NR-grafted MA (NR-g-MA) at absorption peak of carbonyl (>C=O) group number 1712.58 cm-1. The NR-g-MA matrices were then mixed with various weight ratio of the matrices to sand aggregate (3:7, 4:6, and 5:5) using mechanical stirrer in toluene solution. After drying, the mixtures were compression moulded to specimens, according to ASTM D 790-02. Results of 3-point bending tests of the specimens with optimum weight ratio (5:5) were: modulus of elasticity MoE) 969.82 MPa and modulus of rupture (MoR) of 4.42 MPa. Further testing according to SNI 03-2105-2006, showed water absorption ability of 3.76%. Characterization of the optimum sample using differential scanning calorimetry (DSC) showed decomposition on peak at higher temperature but lower heat capacity when compared to sample without sand aggregate.
Skip Nav Destination
Article navigation
21 September 2020
3RD INTERNATIONAL POSTGRADUATE CONFERENCE ON MATERIALS, MINERALS & POLYMER (MAMIP) 2019
31 October–1 November 2019
Penang, Malaysia
Research Article|
September 21 2020
Modification of natural rubber (SIR 10) with maleic anhydride as binder for sand aggregate
Nadhila Athira;
Nadhila Athira
a)
Departement of Chemistry, Universitas Sumatera Utara
, Medan 20155-Indonesia
Search for other works by this author on:
Basuki Wirjosentono;
Basuki Wirjosentono
b)
Departement of Chemistry, Universitas Sumatera Utara
, Medan 20155-Indonesia
b)Corresponding Author: [email protected]
Search for other works by this author on:
Tamrin;
Tamrin
c)
Departement of Chemistry, Universitas Sumatera Utara
, Medan 20155-Indonesia
Search for other works by this author on:
Amir Hamzah Siregar;
Amir Hamzah Siregar
d)
Departement of Chemistry, Universitas Sumatera Utara
, Medan 20155-Indonesia
Search for other works by this author on:
Diana Adnanda Nasution
Diana Adnanda Nasution
e)
Departement of Chemistry, Universitas Sumatera Utara
, Medan 20155-Indonesia
Search for other works by this author on:
b)Corresponding Author: [email protected]
AIP Conf. Proc. 2267, 020027 (2020)
Citation
Nadhila Athira, Basuki Wirjosentono, Tamrin, Amir Hamzah Siregar, Diana Adnanda Nasution; Modification of natural rubber (SIR 10) with maleic anhydride as binder for sand aggregate. AIP Conf. Proc. 21 September 2020; 2267 (1): 020027. https://doi.org/10.1063/5.0015722
Download citation file:
515
Views
Citing articles via
Inkjet- and flextrail-printing of silicon polymer-based inks for local passivating contacts
Zohreh Kiaee, Andreas Lösel, et al.
Effect of coupling agent type on the self-cleaning and anti-reflective behaviour of advance nanocoating for PV panels application
Taha Tareq Mohammed, Hadia Kadhim Judran, et al.
Design of a 100 MW solar power plant on wetland in Bangladesh
Apu Kowsar, Sumon Chandra Debnath, et al.
Related Content
Efficiency of maleic anhydride-modified polystyrene/natural rubber blends as sand aggregate binder
AIP Conf. Proc. (September 2020)
Characteristics of maleic anhydrida-modified polystyrene containing sand aggregate
AIP Conf. Proc. (September 2020)
Effect of maleic anhydride treatment on the mechanical properties of sansevieria fiber/vinyl ester composites
AIP Conference Proceedings (March 2017)
Solubility behavior of SIR 3CV natural rubber and its response to grafting with maleic anhydride
AIP Conf. Proc. (February 2024)
Tensile and morphology properties of PLA/LNR blends modified with maleic anhydride grafted-polylactic acid and -natural rubber
AIP Conference Proceedings (April 2018)