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Sigma-Aldrich

Poly(tetrahydrofuran)

average Mn ~650

Synonym(s):

Terathane® 650 polyether glycol, poly(tetramethylene ether), α-Hydro-ω-hydroxypoly(oxy-1,4-butanediyl), Poly(1,4-butanediol), polyTHF

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About This Item

Linear Formula:
H(OCH2CH2CH2CH2)nOH
CAS Number:
25190-06-1
MDL number:
MFCD00148879
UNSPSC Code:
12162002
PubChem Substance ID:
24861306
NACRES:
NA.23

vapor pressure

<0.01 mmHg ( 25 °C)
<1 mmHg ( 20 °C)

mol wt

average Mn ~650

contains

0.05-0.07% BHT as stabilizer

refractive index

n20/D 1.465

mp

11-19 °C

density

0.978 g/mL at 25 °C

SMILES string

OCCCCO

InChI

1S/C8H18O2/c1-3-5-6-10-8(4-2)7-9/h8-9H,3-7H2,1-2H3/t8-/m0/s1

InChI key

BJZYYSAMLOBSDY-QMMMGPOBSA-N

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General description

Poly(tetrahydrofuran) (PTHF) is a highly flexible hydrophobic polymer widely used in the synthesis of thermoplastic elastomers such as polyesters and polyurethanes. The addition of PHTF imparts abrasion resistance, hydrolytic stability, and attractive dynamic properties to the material. This polymer can also be used to prepare block copolymers, end-functional star polymers, amphiphilic conetworks, and thermogels.

Application

Poly(tetrahydrofuran) can be used as a precursor to synthesize epoxy-urethane polymer networks. It can also be used as a diol comonomer to synthesize block copolymers, such as poly-(alkyleneterephthalаte-co-alkylenephosphate).

Legal Information

Terathane is a registered trademark of Invista North America S.a.r.l.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H336

Hazard Classifications

Acute Tox. 4 Oral - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

474.8 °F - Cleveland open cup

Flash Point(C)

246 °C - Cleveland open cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis of poly-(alkyleneterephthal?te-co-alkylenephosphate) s and their blends with a linear polyurethane
V Mitova, et al.
Bulgarian Chemical Communications, 129-129 (2020)
Cross-linked poly(tetrahydrofuran) as promising sorbent for organic solvent/oil spill
Ilker Yati, et al.
Journal of Hazardous Materials, 309, 210-218 (2016)
Novel thermally-reversible epoxy-urethane networks
Viorica Gaina, et al.
Designed Monomers and Polymers, 15, 63-73 (2012)
Jae Hyung Park et al.
Journal of biomaterials science. Polymer edition, 13(5), 527-542 (2002-08-17)
A multiblock copolymer composed of poly(ethylene oxide) (PEO) and poly(tetramethylene oxide) (PTMO) and which forms a physical hydrogel was blended with Pellethane, a commercial segmented polyurethane (SPU) developed for various biomedical devices, to provide a PEO-rich surface with improved stability.
G A Skarja et al.
Journal of biomedical materials research, 34(4), 439-455 (1997-03-15)
The adhesion of platelets to a series of segmented polyurethanes having sulfonate groups in the hard segment is reported. The polyurethanes were synthesized using sulfonated chain extenders of different structure. Analogous control materials without sulfonate groups also were studied. Adhesion
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