Polyoxyethylene sorbitan monooleate tween 80

Manufactured by Croda

Sourced in United States

Polyoxyethylene sorbitan monooleate, commonly known as Tween 80, is a non-ionic surfactant used in various laboratory applications. It serves as an emulsifier, dispersing agent, and solubilizer, aiding in the formulation of homogeneous mixtures.

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Lab products found in correlation

Agarose, by Merck Group (1 mentions) Integral 3 water purification system, by Merck Group (1 mentions) Silver nitrate agno3, by Merck Group (1 mentions) Sodium borohydride nabh4, by Merck Group (1 mentions)

4 protocols using polyoxyethylene sorbitan monooleate tween 80

Oil-External Well Treatment Microemulsion

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Example 16

An oil-external well treatment microemulsion includes a continuous oil phase, a dispersed water phase, alcohols and a surfactant. The well treatment microemulsion contains about 41.8% by weight d-Limonene (external oil phase), about 14.4% by weight water (dispersed aqueous phase), about 9.64% by weight isopropanol (alcohol), about 1.36% by weight triethylene glycol (alcohol), and about 32.8% by weight surfactant having an HLB of about 15 and comprising the following surfactant: polyoxyethylene sorbitan monooleate (Tween 80, sold by Croda USA).

US10280360B2. Water-in-oil microemulsions for oilfield applications (2019-05-07). CESI Chemical, Inc. [US], Flotek Chemistry, LLC [US]. Inventors: Lakia M. Champagne [US], David S. Morrison [US].

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Synthesis of Gold Nanoparticles

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Sorbitan
monostearate (Span 60, MW 431),
polyoxyethylene sorbitan monooleate (Tween 80, MW 1307) were purchased
from Croda (Croda International Plc, UK) and used without further
purification. Chloroauric acid (HAuCl₄·3H₂O), FITC isomer I (C₂₄H₁₁NO₅S),
hexadecyltrimethylammonium bromide (CTAB) (C₁₉H₄₂BrN), sodium borohydride (NaBH₄) from Aldrich, silver
nitrate (AgNO₃), N,N-dimethylformamide
(DMF anhydrous 99,8%) triethylamine (99%), and agarose were purchased
from Sigma-Aldrich. DI water with specific resistivity, higher than
18.2 MΩ m from a Milli-Q Integral 3 water purification system
(Millipore, MA), was used to make all solutions.

Barmin R.A., Rudakovskaya P.G., Chernyshev V.S., Guslyakova O.I., Belcov P.A., Obukhova E.N., Gayer A.V., Shirshin E.A, & Gorin D.A. (2021). Optoacoustic/Fluorescent/Acoustic Imaging Probe Based on Air-Filled Bubbles Functionalized with Gold Nanorods and Fluorescein Isothiocyanate. ACS Omega, 6(5), 3809-3821.

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Oil-External Microemulsion Well Treatment

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Example 17

An oil-external well treatment microemulsion includes a continuous oil phase, a dispersed water phase, alcohol and a surfactant. The well treatment microemulsion contains about 42.5% by weight of kerosene (external oil phase), about 10.6% by weight water (dispersed aqueous phase), about 6.5% by weight tertiary butanol (alcohol), and about 40.4% by weight of a surfactant with an HLB of about 15 and comprising the following surfactant: polyoxyethylene sorbitan monooleate (Tween 80, sold by Croda USA).

US10280360B2. Water-in-oil microemulsions for oilfield applications (2019-05-07). CESI Chemical, Inc. [US], Flotek Chemistry, LLC [US]. Inventors: Lakia M. Champagne [US], David S. Morrison [US].

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Oil-External Microemulsion for Well Treatment

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Example 18

An oil-external well treatment microemulsion includes a continuous oil phase, a dispersed water phase, alcohols and a surfactant. The well treatment microemulsion can be made with aromatic comprising hydrocarbons. An example includes about 41.8% by weight xylenes (external oil phase), about 14.4% by weight water (dispersed aqueous phase), about 9.64% by weight isopropanol (alcohol), 1.36% by weight triethylene glycol (alcohol), and about 32.8% by weight surfactant having an HLB of about 15 and comprising the following surfactant: polyoxyethylene sorbitan monooleate (Tween 80, sold by Croda USA).

US10280360B2. Water-in-oil microemulsions for oilfield applications (2019-05-07). CESI Chemical, Inc. [US], Flotek Chemistry, LLC [US]. Inventors: Lakia M. Champagne [US], David S. Morrison [US].

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