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一般描述

Tween^?-20 is a polysorbate-based non-ionic surfactant. It is made up of three chemical units:

• aliphatic ester chains that hinder biomolecules from nonspecific interactions
• aliphatic chain that can be non-covalently adsorbed on a hydrophobic surface
• hydrophilic terminal hydroxyl groups, which can be chemically modified for potential applications.

应用

Tween^?-20 can be used as a structure-directing agent in the preparation of mesoporous oxide films because of its ability to promote textural properties of the films such as controllable crystallinity, film morphology, tailor-designed pore structure, high BET surface area, and controlled film thickness. It is also used in the synthesis of AuNPs/TWEEN/GO composites, where Tween^?-20 acts as a reducing and immobilizing agent for AuNPs (Au nanoparticles) as well as a stabilizing agent for GO (graphene oxide).
Tween^?-20 can also be used as an emulsifying, solubilizing, and wetting agent in a variety of liquid formulations.
非离子洗涤剂

分析说明

Density (d 20?°C/ 4?°C): 1.095 - 1.105
Hydroxyl value: 96 - 108
Saponification value: 40 - 50
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

法律信息

TWEEN is a registered trademark of Croda International PLC

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