Effect of adding steam-exploded wood flour to thermoplastic polymer/wood composite

2000 ◽  
Vol 46 (3) ◽  
pp. 210-214 ◽  
Author(s):  
Masahiro Takatani ◽  
Osamu Kato ◽  
Takashi Kitayama ◽  
Tadashi Okamoto ◽  
Mitsuhiko Tanahashi
2012 ◽  
Vol 182-183 ◽  
pp. 274-277
Author(s):  
Fang Huang

Wood flour is inexpensive, and can be used as a reinforcing agent to improve the mechanical properties of high density polyethylene, reduce cost. Wood fiber as a renewable natural material, biodegradation, therefore, high filling wood powder high density polyethylene composite material with certain environmental compatibility, at the same time, high density polyethylene can be a source of waste recycling materials, therefore plastic-wood composite material is a kind of can reduce the "white pollution" environmental material. [1-5]


Holzforschung ◽  
2000 ◽  
Vol 54 (2) ◽  
pp. 197-200 ◽  
Author(s):  
M. Takatani ◽  
H. Ito ◽  
S. Ohsugi ◽  
T. Kitayama ◽  
M. Saegusa ◽  
...  

Summary The effect of lignocellulosic materials on the board performance of thermoplastic polymer/wood composites was examined by using soft wood flours of 20 mesh- and 120 mesh-pass, steam-exploded beech flour, and two kinds of thermoplastic polymers, polyvinyl chloride and polystyrene. Steam-exploded wood flour was found to be one of the best lignocellulosic materials in terms of fracture strength and water resistance of the composite board. The properties of the composites are dependent not only on the lignocellulosic materials and polymers, but also on the average size of wood flour. Generally, a flour of 120 mesh pass gave composites of better performance than that of 20 mesh pass, but the tendency was reversed when steam-exploded beech flour was used.


Author(s):  
И.К. Говядин ◽  
А.Н. Чубинский

В настоящее время экструзия является наиболее распространенным технологическим процессом изготовления изделий из древесно-полимерных композиционных материалов с термопластичной полимерной матрицей. Эта технология может быть реализована методом послойного наплавления (FDM) для изготовления накладных декоративных элементов мебели, а также сувениров, игрушек и иной продукции. В качестве расходного материала применяется нить из разных типов пластика. Исследованию подлежали образцы, напечатанные на FDM-принтере из древесно-полимерной нити на основе полилактида и древесной муки марки 120 по ГОСТ 16361-87 из хвойных пород древесины в соотношении 70/30. Все образцы были изготовлены на FDM-принтере (Creality 3D CR-10 5S) с размером сопла 0,2 мм. При использовании такого композитного материала цветовая гамма, структура поверхности изделий будет ближе к древесине. В процессе исследований были изучены физические свойства образцов, напечатанных при разных температурных режимах (190, 200, 210, 220 С). Результаты исследований показали, что температура печати на 3D- принтере оказывает влияние на ряд физических свойств формируемого материала, в первую очередь, на его плотность и цвет. Изменение плотности и цвета может быть вызвано деструкцией древесного вещества при высокой температуре, увеличением плотности упаковки макромолекул и влиянием других факторов. Не было обнаружено существенных различий в шероховатости поверхности и в содержании влаги у исследуемых образцов из древесно-клеевой композиции на основе полилактида и древесной муки. Currently, extrusion is the most common technological process of manufacturing products from wood-polymer composite materials with a thermoplastic polymer matrix. This technology can be implemented by the method of layer-by-layer fusion (FDM) for the manufacture of overhead decorative elements of furniture, as well as souvenirs, toys and other products. A filaments of various types of plastic is used as a consumable material. Samples printed on an FDM printer made from wood-polymer filament based on polylactide and wood flour of grade 120 according to GOST 16361-87 from softwood in a 70/30 ratio were to be investigated. All samples were manufactured on an FDM printer (Creality 3D CR-10 5S) with a nozzle size of 0.2 mm. When using such a composite material colors, the structure of the surface of products will be closer to the wood. In the course of research, the physical properties of samples printed at different temperature conditions (190, 200, 210, 220 С) were studied. The research results showed that the temperature of printing on a 3D printer affects a number of physical properties of the formed material, first of all, its density and color. The change in density and color can be caused by the destruction of the wood substance at high temperature, an increase in the packing density of macromolecules, and the influence of other factors. No significant differences were found in the surface roughness and moisture content of the samples from the wood-adhesive composition based on polylactide and wood flour.


2016 ◽  
Vol 706 ◽  
pp. 78-81
Author(s):  
Ruslan R. Safin ◽  
Lilia Vakifovna Akhunova ◽  
Aigul Ravilevna Shaikhutdinova ◽  
Radis Reshidovich Ziatdinov

The article presents the wood composite materials based on biodegradable component of polyvinyl acetate with the filler in a form of wood flour of pine trees of two types: unmodified and thermally modified pine. The sorption properties of composite of both species, namely the ability of a material to absorb moisture depending on the quantity and nature of wood filler were studied. The strength characteristics of composite materials with non-modified and modified wood fillers were investigated and revealed. The research of the loss of relative weight of both types of composite materials while standing in soil was conducted.The expediency of preliminary heat treatment of wood filler on politely if necessary some increase in biostability of the composite is found.


2005 ◽  
Vol 41 (8) ◽  
pp. 301-305 ◽  
Author(s):  
Masahiro TAKATANI ◽  
Ayumi IKEMIYA ◽  
Yoko NAGATA ◽  
Takashi KITAYAMA ◽  
Tadashi OKAMOTO

2012 ◽  
Vol 428 ◽  
pp. 202-205 ◽  
Author(s):  
Mohaddeseh Saffarzadeh ◽  
Mohammad Reza Masteri Farahani

In this research, the water absorption of polypropylene-pistachio twig flour composite with different content pistachio twig flour were investigated. For this purpose, water absorption was determined according to modified D570 standard. The results indicated that the water absorption of composites increased with increasing of wood flour content.


Alloy Digest ◽  
1989 ◽  
Vol 38 (10) ◽  

Abstract ISOPLAST 101, unreinforced, is a rigid, amorphous polyurethane thermoplastic polymer. It is opaque and impact modified. It is injection moldable and extrudable. It is characterized by its high impact strength, high abrasion resistance, excellent chemical and solvent resistance and low moisture sensitivity. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness. It also includes information on wear resistance. Filing Code: P-10. Producer or source: The Dow Chemical Company.


Author(s):  
Nurul Hanani Manab ◽  
Elfarizanis Baharudin ◽  
Fauziahanim Che Seman ◽  
Alyani Ismail

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