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901029

Sigma-Aldrich

Polyvinyl alcohol (PVA) printing filament

1.75 mm

Synonym(s):

AquaSolve™, PVA filament

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About This Item

CAS Number:
9002-89-5
UNSPSC Code:
12162002
NACRES:
NA.23

description

Filament diameter: 1.75 ± 0.05 mm
Filament roundness: ≥95%
Melt flow rate: 14-20 g/10 min
Melt temperature: ± 163 °C
Print temperature: ±180-205 °C
Specific gravity: 1.23 g/cc
Spool Hub Diameter: 52 mm
Spool Size (D x H): 200 mm x 55 mm
Viscat softening temperature: ± 60.2 °C

form

solid (filament)

color

colorless

InChI

1S/C2H4O/c1-2-3/h2-3H,1H2

InChI key

IMROMDMJAWUWLK-UHFFFAOYSA-N

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General description

Polyvinyl alcohol (PVA) printing filament is a water-soluble support material for multi-extrusion 3D printing of complex architectures. PVA is widely used in traditional industries, such as textiles and papermaking, as well as a wide variety of coatings. This colorless, odorless, and high-quality filament extrudes between 180 to 205 °C and is suitable with all RepRap technology-based desktop 3D printers, such as MakerBot, Ultimaker, RepRap (Mendel, Huxley, Prusa), UP!, Solidoodle, Leapfrog, etc. PVA features good adhesion to PLA and nylon materials and is biodegradable in water with no hazardous by-products. While PVA is soluble in cold water, the dissolution process can be accelerated by using a continuously heated bath of warm water. When not in use, the filament should be stored at room temperature in dry conditions, such as in a sealed plastic bag or in a closed container with desiccant. Recommended initial printer settings can be found in the ′General Print Settings′ file.

Application

Due to its water-solubility and biocompatibility, polyvinyl alcohol (PVA) filaments are most commonly used as a sacrificial material in the formation of tissue engineering constructs with unique and complicated architectures. The use of this material allows for the printing of scaffolds with large overhangs, deep internal cavities, and/or intricate geometries. In addition to their use as sacrificial materials, PVA filaments have also been used to print novel oral drug delivery devices and tablets.

Legal Information

Product of Formfutura VOF
AquaSolve is a trademark of Formfutura VOF

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

49.5 °F

flash_point_c

9.7 °C

Certificates of Analysis (COA)

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3D Printing of Medicines: Engineering Novel Oral Devices with Unique Design and Drug Release Characteristics.
Goyanes A, et al.
Molecular Pharmaceutics, 12(11), 4077-4084 (2015)
3D Printing Factors Important for the Fabrication of Polyvinylalcohol Filament-Based Tablets.
Tagami T, et al.
Biological & Pharmaceutical Bulletin, 40(3), 357-364 (2017)
Alice Melocchi et al.
International journal of pharmaceutics, 509(1-2), 255-263 (2016-05-25)
Fused deposition modeling (FDM) is a 3D printing technique based on the deposition of successive layers of thermoplastic materials following their softening/melting. Such a technique holds huge potential for the manufacturing of pharmaceutical products and is currently under extensive investigation.
Shuai Li et al.
ACS applied materials & interfaces, 8(38), 25096-25103 (2016-09-09)
Despite considerable advances in tissue engineering over the past two decades, solutions to some crucial problems remain elusive. Vascularization is one of the most important factors that greatly influence the function of scaffolds. Many research studies have focused on the
R Hernández-Córdova et al.
Journal of biomedical materials research. Part A, 104(8), 1912-1921 (2016-03-19)
Biomaterial scaffolds are a key part of cardiac tissue engineering therapies. The group has recently synthesized a novel polycaprolactone based polyurethane-urea copolymer that showed improved mechanical properties compared with its previously published counterparts. The aim of this study was to
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