Pembuatan Komposit Polipropilena/ Haloisit/Seng Borat dengan Penambahan Karet Alam serta Pengaruhnya terhadap Elastisitas, Kekuatan Bending, dan Heat Release.
PEMBUATAN KOMPOSIT POLIPROPILENA/HALOISIT/SENG BORAT
DENGAN PENAMBAHAN KARET ALAM SERTA PENGARUHNYA
TERHADAP ELASTISITAS, KEKUATAN BENDING, DAN HEAT RELEASE
TRIA SITI ZULAEKA
Program Studi Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam
Universitas Sebelas Maret
ABSTRAK
Komposit dari limbah polipropilena (recycled Polypropylene, rPP), bahan
pengisi lempung haloisit (Hall) dan seng borat (Zink Borate, ZB) dengan
penambahan limbah karet alam (recycled Natural Rubber , rNR) dalam berbagai
variasi konsentrasi rNR (0%,1%, 3%, 5%, dan 7% b/b) telah dibuat. Komposit
diproses secara reaktif melalui metode larutan menggunakan senyawa
penggandeng polipropilena-asam akrilat (PP-AA) dan senyawa pengikat silang
divynil benzene (DVB). Pengaruh penambahan rNR terhadap komposit dipelajari
melalui pengujian mekanik berupa kekuatan bending sesuai ASTM D790 dan
pengujian ketahanan nyala berupa persentase heat release (HR) sesuai ASTM
D635. Selain itu, dilakukan karakterisasi gugus fungsi menggunakan Fourier
Transform Infra-Red (FTIR). Pengujian sifat mekanik menunjukkan bahwa
penambahan rNR meningkatkan elastisitas geokomposit. Penambahan rNR hingga
konsentrasi optimum (3%) meningkatkan kekuatan bending komposit. Demikian
halnya dengan pengujian ketahanan nyala yang menunjukkan bahwa penambahan
rNR hingga konsentrasi optimum (3%) meningkatkan %HR komposit.
Kata kunci: komposit, polipropilena, karet alam, haloisit, sifat mekanik, flexural
strength, heat release
PREPARATION OF POLYPROPYLENE/HALLOYSITE/ZINC BORATE
COMPOSITE WITH NATURAL RUBBER ADDITION
AND ITS EFFECT OF ELASTICITY, FLEXURAL STRENGTH,
AND HEAT RELEASE
TRIA SITI ZULAEKA
Department of Chemistry, Faculty of Mathematics and Natural Sciences
Sebelas Maret University
ABSTRACT
The composite from recycled polypropylene (rPP), halloysite and zinc
borate as fillers, and recycled Natural Rubber (rNR) in various consentrations
(1%, 3%, 5%, and 7% w/w) has been succesfully made. The composite was
proccesed via reactively solution method using polypropylene-acrylic acid (PPAA) coupling agent and divynil benzene crosslinker. Effect of rNR addition on
composite was studied by mechanical properties such as flexural strength in
accordance with ASTM D790, and heat release percentage (%HR) in accordance
with ASTM D635. Moreover, functional groups analysis was characterized using
Fourier Transform Infra-Red (FTIR). Flexural testing showed that the addition of
rNR increased elasticity of composite. The additin of rNR until optimum
consentration (3%) improved flexural strength of composite. Furthemore, the
%HR of composite containing rNR (3%) increased.
Keywords: composite, polypropylene, natural rubber, halloysite, mechanical
properties, flexural strength, heat release.
DENGAN PENAMBAHAN KARET ALAM SERTA PENGARUHNYA
TERHADAP ELASTISITAS, KEKUATAN BENDING, DAN HEAT RELEASE
TRIA SITI ZULAEKA
Program Studi Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam
Universitas Sebelas Maret
ABSTRAK
Komposit dari limbah polipropilena (recycled Polypropylene, rPP), bahan
pengisi lempung haloisit (Hall) dan seng borat (Zink Borate, ZB) dengan
penambahan limbah karet alam (recycled Natural Rubber , rNR) dalam berbagai
variasi konsentrasi rNR (0%,1%, 3%, 5%, dan 7% b/b) telah dibuat. Komposit
diproses secara reaktif melalui metode larutan menggunakan senyawa
penggandeng polipropilena-asam akrilat (PP-AA) dan senyawa pengikat silang
divynil benzene (DVB). Pengaruh penambahan rNR terhadap komposit dipelajari
melalui pengujian mekanik berupa kekuatan bending sesuai ASTM D790 dan
pengujian ketahanan nyala berupa persentase heat release (HR) sesuai ASTM
D635. Selain itu, dilakukan karakterisasi gugus fungsi menggunakan Fourier
Transform Infra-Red (FTIR). Pengujian sifat mekanik menunjukkan bahwa
penambahan rNR meningkatkan elastisitas geokomposit. Penambahan rNR hingga
konsentrasi optimum (3%) meningkatkan kekuatan bending komposit. Demikian
halnya dengan pengujian ketahanan nyala yang menunjukkan bahwa penambahan
rNR hingga konsentrasi optimum (3%) meningkatkan %HR komposit.
Kata kunci: komposit, polipropilena, karet alam, haloisit, sifat mekanik, flexural
strength, heat release
PREPARATION OF POLYPROPYLENE/HALLOYSITE/ZINC BORATE
COMPOSITE WITH NATURAL RUBBER ADDITION
AND ITS EFFECT OF ELASTICITY, FLEXURAL STRENGTH,
AND HEAT RELEASE
TRIA SITI ZULAEKA
Department of Chemistry, Faculty of Mathematics and Natural Sciences
Sebelas Maret University
ABSTRACT
The composite from recycled polypropylene (rPP), halloysite and zinc
borate as fillers, and recycled Natural Rubber (rNR) in various consentrations
(1%, 3%, 5%, and 7% w/w) has been succesfully made. The composite was
proccesed via reactively solution method using polypropylene-acrylic acid (PPAA) coupling agent and divynil benzene crosslinker. Effect of rNR addition on
composite was studied by mechanical properties such as flexural strength in
accordance with ASTM D790, and heat release percentage (%HR) in accordance
with ASTM D635. Moreover, functional groups analysis was characterized using
Fourier Transform Infra-Red (FTIR). Flexural testing showed that the addition of
rNR increased elasticity of composite. The additin of rNR until optimum
consentration (3%) improved flexural strength of composite. Furthemore, the
%HR of composite containing rNR (3%) increased.
Keywords: composite, polypropylene, natural rubber, halloysite, mechanical
properties, flexural strength, heat release.