ABSTRAK
Poliester tak jenuh memiliki aplikasi luas namun mudah terbakar. Aditif halogenawalnya digunakan untuk meningkatkan fire retardancy komposit namunmemiliki efek samping negatif terhadap kesehatan. Pada penelitian ini dilakukansintesis fire retardant composite dengan variasi konsentrasi aditifAl(OH)3/Mg(OH)2 dan filler carbon black. Parameter fire retardancy yangdiamati adalah time to ignition (ti), time taken to retard the fire (tr), burning time(tb), dan flammability rating menurut standar UL-94V. Komposisi aditif terbaikdiperoleh pada konsentrasi Al(OH)3 40%/Mg(OH)2 10% dengan ti 22,5 detik, tr6,2 detik, tb 7,8 detik, dan flammability rating V?0. Penambahan filler carbonblack sebanyak 2,5% meningkatkan fire retardancy komposit dengan nilai ti 30detik, tr 1,4 detik, tb 3,5 detik, dan flammability rating V?0. Penambahan aditifdan filler CB mampu meningkatkan stabilitas termal komposit denganmenurunkan mass loss rate (MLR) dan total mass loss. Komposit resin/aditifterbaik (Al(OH)3 40%/Mg(OH)2 10%) memiliki nilai tensile strength sebesar 18,2MPa dan hardness 51. Sedangkan komposit resin/aditif/filler terbaik (Al(OH)340%/Mg(OH)2 10%/CB 2,5%) memiliki nilai tensile strength sebesar 13,9 MPadan hardness 55.
ABSTRACT
Unsaturated polyester resin has wide application but is flammable. Halogenadditive was originally used for improving the fire retardancy of the compositebut has the negative effects on health. In this research, synthesis of fire retardantcomposite has been conducted by varying additive Al(OH)3/Mg(OH)2 and carbonblack filler concentration. Fire retardancy parameters need to be observed are timeto ignition (ti), time taken to retard the fire (tr), burning time (tb), and flammabilityrating as per UL-94V standard. Additive composition shows the best result at theconcentration of Al(OH)3 40%/Mg(OH)2 10% with ti value of 22.5 s, tr 6.2 s, tb 7.8s, and V-0 flammability rating. Adding carbon black filler of 2.5% improves thefire retardancy of composite with ti value of 30 s, tr 1.4 s, tb 3.5 s, and V-0flammability rating. Adding of additive and CB filler can improve the thermalstability of composite by reducing mass loss rate (MLR) and total mass loss. Thebest resin/additive composite (Al(OH)3 40%/Mg(OH)2 10%) has tensile strengthvalue of 18.2 MPa and hardness 51. Whereas, the best resin/additive/fillercomposite (Al(OH)3 40%/Mg(OH)2 10%/CB 2.5%) has tensile strength value of13.9 MPa and hardness 55. |
T45150-Arfiana.pdf :: Unduh