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玉米黃粉/豆渣擠壓成型制作可降解塑料的研究
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    摘要:

    玉米黃粉與豆渣混合后,由雙螺桿擠壓機擠壓制成母粒,然后母粒再被擠壓成型為試驗片,進行可降解塑料的研究。對試驗片的強度特性、熱穩(wěn)定性及內(nèi)部結(jié)構(gòu)進行了研究和觀察。研究發(fā)現(xiàn),添加質(zhì)量分?jǐn)?shù)為20%豆渣的試驗片拉伸強度最大。通過掃描電鏡觀察發(fā)現(xiàn),試驗片有一個均一的相。熱質(zhì)量分析的結(jié)果表明,豆渣質(zhì)量分?jǐn)?shù)為20%的試驗片,在240℃以下時能保持熱穩(wěn)定性。

    Abstract:

    Corn gluten meal (CGM) first blended with bean dregs, the mixtures were extruded into pellets using a twin-screw extruder, and the pellets were extruded again as specimens. Tensile strength, thermal stability and morphology of the specimens were investigated. When 20% (w/w%) of the bean dregs were blended, the specimen had a maximum tensile strength. In addition, the specimen had a uniform phase based on observations using scanning electron microscopy (SEM). The result of thermal gravimetric analysis (TGA) showed that the specimen (containing 20% bean dregs) can keep thermal stability below 240℃. The specimen can be applied in agriculture due to its low cost and biodegradability.

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陳野.玉米黃粉/豆渣擠壓成型制作可降解塑料的研究[J].農(nóng)業(yè)機械學(xué)報,2007,38(7):75-77.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(7):75-77.

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