Low cost polyolefin composites containing pulp mill wood residue

Lightsey, George R.; Short, P. H.; Sinha, Vijay Kumar

doi:10.1002/pen.760170507

Cited by 33 publications

(16 citation statements)

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“…But the posites. In the present study, to improve the interfacial adhesion between the wood fiber and the wood fiber offers many advantages such as (1) lower density, (2) high specific strength and mod-LLDPE matrix, wood fiber was treated with two different titanate coupling agents and grafted aculus, (3) renewable nature, and (4) less breakage of the fiber during mixing compared to the comrylonitrile. The effect of the wood fiber concentration and the wood fiber treatment on the mechanimonly used inorganic reinforced fibers.…”

Section: Introductionmentioning

confidence: 99%

Influence of modified wood fibers on the mechanical properties of wood fiber-reinforced polyethylene

Liao

Huang

Cong

1997

J. Appl. Polym. Sci.

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Wood fiber of aspen was used as a reinforced filler in linear low-density polyethylene (LLDPE). To improve the compatibility between the wood fiber and the LLDPE matrix, the wood fiber was treated with titanate coupling agents (i.e., TC-PBT and TC-POT) or grafted by acrylonitrile. Both treatments resulted in an improvement in the mechanical properties of the resultant composites compared with the composites filled with the untreated wood fiber. Moreover, the grafting method displayed a more obvious benefit than that of titanate coupling methods to the mechanical property improvement. This was attributed to the crystalline structure of the wood fiber to be destroyed by grafting acrylonitrile, and the amorphous fiber was easily deformed to enhance fiber adhesion at the LLDPE matrix. In addition, the effect of the concentration of the filled wood fiber and the amount of coupling agent or grafting ratio on the mechanical properties of composites are discussed.

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Section: Introductionmentioning

confidence: 99%

Influence of modified wood fibers on the mechanical properties of wood fiber-reinforced polyethylene

Liao

Huang

Cong

1997

J. Appl. Polym. Sci.

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“…Wood flour has long been used as an additive to thermosetting phenolic resin compositions to enhance impact performance and reduce shrinkage on cure [2]. When contained in thermoplastics, it functions more as a matrix diluents creating a wood-like effect to the material, but frequently with an adverse effect on toughness, depending on the extent of interfacial bonding between filler and matrix [3]. There are also many reports on the use of naturally occurring fibres, including jute, sisal, etc., as reinforcing fibres for polymers [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

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Hornsby

Hinrichsen

Tarverdi

1997

Journal of Materials Science

201

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The microstructure, thermal and mechanical properties of flax and wheat straw fibres have been examined with a view to using these natural fibres as reinforcing additives for thermoplastics. In this regard, the fibres were characterized prior to incorporation into the polymer, using a range of techniques, including SEM, image analysis, thermogravimetric analysis and micro-mechanical tensile testing, at room and elevated temperatures. The thermal and mechanical properties obtained have been discussed in relation to the measured composition and structural form of the fibres.

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“…1 The cost and easy availability of cellulosic (wood based) fillers is one of the main reasons for their demand as extenders or fillers in polymers. 2 Likewise, abundance of oil palm cellulosic materials that are readily obtained from these by product provides a new era for industrial exploitation and development. While the use of other type of wood flour in the thermoplastics is well known, oil palm wood flour (OPWF) as a filler or reinforcing agent in thermoplastics has yet to be investigated.…”

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confidence: 99%

Application of Oil Palm Wood Flour as Fillers in Polypropylene

Zaini

Ismail

Fuad

et al. 1994

Polym J

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ABSTRACT:The viability of using oil palm trunk wood flour (OPWF), a by-product of the oil palm industry, as a filler in polypropylene (PP) was studied. The OPWF was compounded into polypropylene using a Brabender thermoplastics mixer and a twin screw compounder. Torque of PP/OPWF composite was compared to that of neat polypropylene. The result showed that the mixing torque of polypropylene increases by adding OPWF filler into it. Test specimens of the PP/OPWF composite at 30% filter content were prepared by injection moulding, their mechanical properties evaluated and compared to a commercial PP /talc composite. The tensil properties, flexual modulus, impact strength, and melt flow index of the PP/OPWF composite were decreased only by a small margin when compared to those of PP/talc. The PP/OPWF composite, on the other hand, has better heat deflection temperature value than PP/talc. The study shows that OPWF has a good potential to be used as an alternative filter for polypropylene. The OPWF used in this study was not treated with any coupling agent.

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Low cost polyolefin composites containing pulp mill wood residue

Cited by 33 publications

References 1 publication

Influence of modified wood fibers on the mechanical properties of wood fiber-reinforced polyethylene

Influence of modified wood fibers on the mechanical properties of wood fiber-reinforced polyethylene

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Application of Oil Palm Wood Flour as Fillers in Polypropylene

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