Effect of electron beam irradiation on natural rubber/linear low density polyethylene blends with m-phenylenebismaleimide

Nor Hayati Muhammad, Ibrahim Abdullah, Hj Mohd Dahlan

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    The effects of HVA-2 on radiation-induced cross-linkings in 60140 natural rubber! linear low density polyethylene (NR/ LLDPE) blends was studied. NR/LLDPE was irradiated by using a 3.0 MeV electron beam machine with doses ranging from 0 to 250 kGy. Results showed that under the irradiation employed, the blends NR/LLDPE were cross-linked by the electron beam irradiation. The presence of HVA-2 in the blends caused the optimum dose to decrease and the blends to exhibit higher tensile properties. Further, within the dose range studied, the degradation caused by electron beam irradiation was found to be minimal. The optimized processing conditions were 120°C, 50 rpm rotor speed and 13 min processing time. The gel content, tensile strength, elongation at break, hardness and impact test studies were used to follow the irradiation-induced cross-linkings in the blend. For blends of 60140 NRlLLDPE with 2.0 phr HVA-2, the optimum tensile strength and dose, were 19 MPa and 100 kGy, respectively. Blends of 60/40 NRlLLDPE without HVA-2, the optimum tensile strength and dose were 17.2 MPa and 200 kGy, respectively.

    Original languageEnglish
    Pages (from-to)685-689
    Number of pages5
    JournalSains Malaysiana
    Volume40
    Issue number7
    Publication statusPublished - Jul 2011

    Fingerprint

    rubber
    polyethylenes
    electron beams
    irradiation
    dosage
    tensile strength
    rotor speed
    hardness tests
    impact tests
    tensile properties
    elongation
    gels
    degradation
    radiation

    Keywords

    • Cross-linking
    • HVA-2
    • Irradiation
    • NR/LLDPE

    ASJC Scopus subject areas

    • General

    Cite this

    Effect of electron beam irradiation on natural rubber/linear low density polyethylene blends with m-phenylenebismaleimide. / Muhammad, Nor Hayati; Abdullah, Ibrahim; Dahlan, Hj Mohd.

    In: Sains Malaysiana, Vol. 40, No. 7, 07.2011, p. 685-689.

    Research output: Contribution to journalArticle

    Muhammad, Nor Hayati ; Abdullah, Ibrahim ; Dahlan, Hj Mohd. / Effect of electron beam irradiation on natural rubber/linear low density polyethylene blends with m-phenylenebismaleimide. In: Sains Malaysiana. 2011 ; Vol. 40, No. 7. pp. 685-689.
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    abstract = "The effects of HVA-2 on radiation-induced cross-linkings in 60140 natural rubber! linear low density polyethylene (NR/ LLDPE) blends was studied. NR/LLDPE was irradiated by using a 3.0 MeV electron beam machine with doses ranging from 0 to 250 kGy. Results showed that under the irradiation employed, the blends NR/LLDPE were cross-linked by the electron beam irradiation. The presence of HVA-2 in the blends caused the optimum dose to decrease and the blends to exhibit higher tensile properties. Further, within the dose range studied, the degradation caused by electron beam irradiation was found to be minimal. The optimized processing conditions were 120°C, 50 rpm rotor speed and 13 min processing time. The gel content, tensile strength, elongation at break, hardness and impact test studies were used to follow the irradiation-induced cross-linkings in the blend. For blends of 60140 NRlLLDPE with 2.0 phr HVA-2, the optimum tensile strength and dose, were 19 MPa and 100 kGy, respectively. Blends of 60/40 NRlLLDPE without HVA-2, the optimum tensile strength and dose were 17.2 MPa and 200 kGy, respectively.",
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