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dc.contributor.advisorNikmatin, Siti
dc.contributor.advisorSudaryanto
dc.contributor.advisorAlatas, Husin
dc.contributor.authorHermawan, Bambang
dc.date.accessioned2023-05-25T04:39:01Z
dc.date.available2023-05-25T04:39:01Z
dc.date.issued2017
dc.identifier.urihttp://repository.ipb.ac.id/handle/123456789/117977
dc.description.abstractT h e p a l m o i l f a c t o r y i s n o t o n l y p r o d u c i n g c r u d e p a l m o i l ( C P O ) , b u t a l s o a s o l i d w a s t e k n o w n a s o i l p a l m e m p t y f r u i t b u n c h e s ( O P E F B ) a n d i t s b i o m a s s i s p l e n t i f u l . R e i n f o r c e m e n t o f a m a t r i x a c r y l o n i t r i l e b u t a d i e n e s t y r e n e ( A B S ) i s c o u l d b e d o n e u s i n g t h e O P E F B f i b e r . F i l l e r a n d m a t r i x h a v e b e e n c r o s s l i n k e d b y a d d i n g a c o u p l i n g a g e n t , m a l e i c a n h y d r i d e ( M A H ) . T h e c o n c e n t r a t i o n s o f t h e f i l l e r a r e 1 0 % , 1 5 % a n d 2 0 % i n f i b e r s i z e r e s p e c t i v e l y w i t h c o n s t a n t a d d i t i v e . M o l e c u l a r a n a l y s i s a n d m e c h a n i c a l t e s t h a v e b e e n d o n e t o u n d e r s t a n d t h e i n f l u e n c e o f f i b e r s i z e t o w a r d m a t e r i a l c a p a b i l i t y t o r e c e i v e o u t e r d e f o r m a t i o n . S i n g l e s c r e w e x t r u d e r - S S E w a s u s e d t o f o r m a b i o c o m p o s i t e s g r a n u l a r c o n t i n u e d w i t h i n j e c t i o n m o l d i n g t o s h a p e d t e s t p i e c e s . T h e F T I R h a v e b e e n u s e d t o s e e a c h a n g i n g i n t h e m o l e c u l e s o f t h e c o n s t i t u e n t b i o c o m p o s i t e s A B S a n d O P E F B . T h e r e a c t i v i t y o f b u t a d i e n e a n d s t y r e n e t h r o u g h t h e d o u b l e b o n d - π c o n j u g a t e d s y s t e m , c o n t r i b u t e d t o t h e b o n d r e a c t i o n w i t h t h e m a l e i c a c i d a s c o u p l i n g a g e n t w h i c h w e r e g r a f t e d t o t h e s y s t e m . I t w a s c o n c l u d e d t h a t t h e p o s s i b l e g r a f t i n g r e a c t i o n o c c u r s b y t h e a d d i t i o n o f t h e M A H t o t h e d o u b l e b o n d o f t h e b u t a d i e n e a n d s t y r e n e . T h e h y d r o x y l g r o u p o f f i b e r s c a n i n t e r a c t w i t h t h i s m a l e i c a c i d t o f o r m a b o n d t h r o u g h t h e c a r b o x y l g r o u p . I n o r d e r t o a n a l y z e t h e r e s u l t s o f t h e m e c h a n i c a l t e s t , t h e F i s h e r l e a s t s i g n i f i c a n t d i f f e r e n c e ( L S D ) i n A N O V A m e t h o d w a s p e r f o r m e d ( - w i t h α = 0 , 0 5 - ) . T h e h e l m e t s h e l l s w e r e f a b r i c a t e d b y m o l d i n g m e t h o d , t h e n a s s e m b l e d t o b e c o m e a p r o t o t y p e h e l m e t w i t h a n a d d i t i o n o f e x p a n d e d p o l y s t y r e n e ( E P S ) a n d o t h e r a c c e s s o r i e s r e l a t e d t o t h e s a f e t y s t a n d a r d . T h e t e s t r e s u l t s a n d c a l c u l a t i o n s i n d i c a t e d t h a t t h e p r o t o t y p e h e l m e t s w e r e a b l e t o p r o v i d e a n a t u r a l f r e q u e n c y v a l u e b e l o w t h e m a x i m u m a c c e p t a b l e n a t u r a l f r e q u e n c y o f t h e s k u l l a n d t h e h u m a n b r a i n . B e s i d e t h a t t h e h e l m e t s w e r e a l s o a b l e t o w i t h s t a n d t h e p r e s s u r e u n d e r t h e m a x i m u m p r e s s u r e t h a t h u m a n s k u l l c a n b e a c c e p t e d . B a s e d o n t h e c r i t e r i a o f t h e S N I s t a n d a r d f o r h e l m e t s , t h e p r o t o t y p e h a s b e e n m e t v a r i o u s r e q u i r e d p a r a m e t e r s , o n e o f w h i c h i s t h e v a l u e o f h e a d i n j u r y c r i t e r i o n ( H I C ) . T h e r e f o r e , t h e O P E F B b i o c o m p o s i t e s h e l m e t i s s a f e a n d c o u l d b e u s e d a s a s e c u r i t y f o r t h e h e a d o f t h e m o t o r c y c l i s t .id
dc.language.isoidid
dc.publisherIPB (Bogor Agricultural University)id
dc.subject.ddcBiophysicsid
dc.subject.ddcBiocompositesid
dc.titlePerformance of Oil Palm Empty Fruit Bunches Fibers Reinforced Biocomposites Helmetid
dc.typeThesisid
dc.subject.keywordHelmet shock absorptionid
dc.subject.keywordMaleic anhydrideid
dc.subject.keywordMechanical propertiesid
dc.subject.keywordMolecular analysisid
dc.subject.keywordNatural frequencyid
dc.subject.keywordYield stressid
dc.subject.keywordANOVAid
dc.subject.keywordPalm Oilid
dc.subject.keywordPolymersid
dc.subject.keywordFiber Sizeid
dc.subject.keywordNatural Fiberid


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