3D Printable Filaments Made of Biobased Polyethylene Biocomposites

被引：64

作者：

Filgueira, Daniel ^{[1
]}

Holmen, Solveig ^{[2
]}

Melbo, Johnny K. ^{[3
]}

Moldes, Diego ^{[1
]}

Echtermeyer, Andreas T. ^{[2
]}

Chinga-Carrasco, Gary ^{[3
]}

机构：

[1] Univ Vigo, Dept Chem Engn, Edificio Isaac Newton,Lagoas Marcosende S-N, Vigo 36310, Spain

[2] NTNU, Dept Mech & Ind Engn, N-7491 Trondheim, Norway

[3] RISE PFI, Hogskoleringen 6b, N-7491 Trondheim, Norway

来源：

POLYMERS | 2018年 / 10卷 / 03期

关键词：

laccase; grafting; TMP; BioPE; biocomposites; lauryl gallate; octyl gallate; 3D printing; LACCASE-MEDIATOR SYSTEMS; LIPOPHILIC EXTRACTIVES; PAPER PULP; COMPOSITES; FIBERS; TEMPERATURE; MORPHOLOGY; POLYMER;

D O I：

10.3390/polym10030314

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Two different series of biobased polyethylene (BioPE) were used for the manufacturing of biocomposites, complemented with thermomechanical pulp (TMP) fibers. The intrinsic hydrophilic character of the TMP fibers was previously modified by grafting hydrophobic compounds (octyl gallate and lauryl gallate) by means of an enzymatic-assisted treatment. BioPE with low melt flow index (MFI) yielded filaments with low void fraction and relatively low thickness variation. The water absorption of the biocomposites was remarkably improved when the enzymatically-hydrophobized TMP fibers were used. Importantly, the 3D printing of BioPE was improved by adding 10% and 20% TMP fibers to the composition. Thus, 3D printable biocomposites with low water uptake can be manufactured by using fully biobased materials and environmentally-friendly processes.

引用

页数：15

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