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.

引用

页数：14

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