000			03340nam a22003377a 4500
003			OSt
005			20260617173418.0
008			260617b |||||||| |||| 00| 0 eng d
040			_bEnglish _cTUPM _dTUPM _erda
050			_aBTH TH 870 _bU74 2026
100			_aUrgel, John Vincent M. _eAuthor
245			_aEffects of Nipa Palm Frond NPF Fiber as a Reinforcement in CLS-LDPE Composite Board/ _cJohn Vincent M. Urgel, Ma. Lyna R. Pango, John Matthew G. Plazo, Shena Mie S. Sister, Julian Nicole M. Tiglao, Cenri Anrei R. Franco..-
260			_aManila: _bTechnological University of the Philippines, _c2026.
300			_aix, 96 pages: _c29cm.
336			_2rdacontent
337			_2rdamedia
338			_2rdacarrier
500			_aBachelor's Thesis
502			_aCollege of Industrial Technology..- _bBachelor of Engineering Technology Major in Construction Technology: _cTechnological University of the Philippines, _d2026.
504			_aIncludes bibliographic references and index.
520			_aThis capstone study investigates the effects of nipa palm frond fibers (NPFF) as reinforcement in coconut leaf sheath (CLS)–low-density polyethylene (LDPE) composite boards, addressing three critical gaps: CLS-LDPE boards not passing modulus of rupture (MoR) standard, the absence of thermal conductivity data for natural fiber-thermoplastic composites, and the environmental impacts of agro-waste disposal. Five mix designs were developed with a fixed 70:30 LDPE:CLS ratio and varying NPFF content (0%, 1%, 3%, 5%, and 7%) after alkali treatment (5% NaOH) to a uniform 15 mm length. Boards were produced via twin-screw extrusion, two-roll milling, and compression molding. Physical (density, water absorption, thickness swelling), mechanical (MoR, internal bond, impact strength), and thermal properties (thermal conductivity) were evaluated following ASTM D1037, D790, D5420, and C518, and compared with PNS ISO 16893:2017 (P-GP MR2) standards. Results show that all mixes passed the required limits for water absorption (<14%), thickness swelling (<12%), and density variation (<±10%). MoR increased from 12.94 MPa (M1, 0% NPFF) to 21.60 MPa (M4, 5% NPFF), exceeding the 13 MPa requirement. Thermal conductivity (0.0954–0.1114 W/m·K) was comparable to commercial PVC. Optimal reinforcement was at 5% NPFF (M4), with 1% NPFF (M2) as an economical alternative. The study concludes that NPFF-reinforced CLS-LDPE boards meet the P-GP MR2 standard for tropical humid conditions, offering viable ceiling/wall applications. This work benefits local nipa farmers in Pamplona, Cagayan, and aligns with the TUP research agenda on “Advanced Industrial and Energy Technologies” and on UN-SDGs 9, 11, and 12: on sustainable industrialization, resilient communities, and responsible consumption. Keywords: Nipa Palm Frond Fibers, Coconut Leaf Sheath, Low-Density Polyethylene, Composite Board , Natural Fiber -Reinforced Composite Board
650			_aConstruction Technology
650			_aNipa Palm Frond Fibers
650			_aCoconut Leaf Sheath
700			_aPango, Ma. Lyna R. _eAuthor
700			_aPlazo, John Matthew G. _eAuthor
700			_aSister, Shena Mie S. _eAuthor
700			_aTiglao, Julianne Nicole M. _eAuthor
700			_aFranco, Cenri Anrie R. _eAuthor
942			_2lcc _cBTH CIT _n0
999			_c31587 _d31586