Statistical design of sustainable composites from poly(lactic acid) and grape pomace

被引：11
|
作者：
Gowman, Alison [1 ,2 ]
Rodriguez-Uribe, Arturo [2 ]
Defersha, Fantahun [1 ]
Mohanty, Amar K. [1 ,2 ]
Misra, Manjusri [1 ,2 ]
机构：
[1] Univ Guelph, Sch Engn, Thornbrough Bldg,50 Stone Rd E, Guelph, ON N1G 2W1, Canada
[2] Univ Guelph, Dept Plant Agr, Bioprod Discovery & Dev Ctr, Crop Sci Bldg,50 Stone Rd E, Guelph, ON N1G 2W1, Canada
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2020年 / 137卷 / 36期
基金：
加拿大自然科学与工程研究理事会;
关键词：
biopolymers and renewable polymers; compatibilization; composites; mechanical properties; surfaces and interfaces; MECHANICAL-PROPERTIES; POLY(BUTYLENE SUCCINATE); BIOCOMPOSITES; FIBER; COMPATIBILIZATION; POLYPROPYLENE; OPTIMIZATION; PERFORMANCE; DISPERSION; ADHESION;
D O I：
10.1002/app.49061
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Biocomposites from poly(lactic acid) (PLA) and grape pomace (GP) were created via injection molding to examine the effects of GP in a PLA matrix. To optimize the mechanical performance the biocomposites were compatibilized with maleic anhydride grafted PLA (MA-g-PLA). The objective of this work was to create a model that could accurately predict the mechanical properties of GP/PLA biocomposites. A region of feasibility for the biocomposites was determined using a statistical design of experiments. Linear regression was used to model the mechanical performance and predicted results with an error of 10% for both tensile and flexural strength and 16% for impact strength. The model was verified with a biocomposite of PLA/GP/MA-g-PLA with a ratio of 62/36/2. This biocomposite had a tensile strength, flexural modulus, and impact strength of 25.8 MPa, 40.0 MPa, and 18.4 J/m, respectively. It was found that a linear model can accurately predict the mechanical properties of PLA/GP/MA-g-PLA biocomposites.
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页数：14
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