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Merck

740497

Sigma-Aldrich

2-[[(十二烷基巯基)硫代甲基]硫代]-2-甲基苯甲酸甲酯

97% (HPLC)

别名:

2 - [[(十二烷基巯基)硫代甲基]硫代] - 2 - 甲基苯甲酸甲酯

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About This Item

经验公式(希尔记法):
C18H34O2S3
分子量:
378.66
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.23

品質等級

化驗

97% (HPLC)

形狀

liquid

折射率

n20/D 1.517

密度

1.008 g/mL at 25 °C

儲存溫度

2-8°C

SMILES 字串

CCCCCCCCCCCCSC(=S)SC(C)(C)C(=O)OC

InChI

1S/C18H34O2S3/c1-5-6-7-8-9-10-11-12-13-14-15-22-17(21)23-18(2,3)16(19)20-4/h5-15H2,1-4H3

InChI 密鑰

NHWLEOYMZVCNBC-UHFFFAOYSA-N

一般說明

需要帮助选择正确的可逆加成-断裂链转移剂? 请翻阅单体目录里面的RAFT部分兼容性表格.

應用

用于可控自由基聚合的可逆加成 - 断裂链转移剂;特别适合苯乙烯,丙烯酸酯和丙烯酰胺单体聚合。链转移剂(CTA)

象形圖

FlameExclamation mark

訊號詞

Warning

危險分類

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

140.0 °F

閃點(°C)

60 °C


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RAFT Agent Design and Synthesis
Keddie, D. J.; et al.
Macromolecules, 45, 5321-5342 (2012)
Massimo Benaglia et al.
Journal of the American Chemical Society, 131(20), 6914-6915 (2009-05-01)
The polymerization of most monomers that are polymerizable by radical polymerization can be controlled by the reversible addition-fragmentation chain transfer (RAFT) process. However, it is usually required that the RAFT agent be selected according to the types of monomer being

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A series of polymerization were carried out using RAFT agents and monomers yielding well-defined polymers with narrow molecular weight distributions. The process allows radical-initiated growing polymer chains to degeneratively transfer reactivity from one to another through the use of key functional groups (dithioesters, trithiocarbonates, xanthates and dithiocarbamates). RAFT agents help to minimize out-of-control growth and prevent unwanted termination events from occurring, effectively controlling polymer properties like molecular weight and polydispersity. RAFT agents are commercially available. RAFT does not use any cytotoxic heavy metal components (unlike ATRP).

The modification of biomacromolecules, such as peptides and proteins, through the attachment of synthetic polymers has led to a new family of highly advanced biomaterials with enhanced properties.

We presents an article about a micro review of reversible addition/fragmentation chain transfer (RAFT) polymerization. RAFT (Reversible Addition/Fragmentation Chain Transfer) polymerization is a reversible deactivation radical polymerization (RDRP) and one of the more versatile methods for providing living characteristics to radical polymerization.

We presents an article about Copper(I)-mediated Living Radical Polymerization in the Presence of Pyridylmethanimine Ligands, and the emergence of living radical polymerization mediated by transition metal catalysts in 1995, which was a seminal piece of work in the field of synthetic polymer chemistry.

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实验方案

We present an article about RAFT, or Reversible Addition/Fragmentation Chain Transfer, which is a form of living radical polymerization.

We presents an article featuring procedures that describe polymerization of methyl methacrylate and vinyl acetate homopolymers and a block copolymer as performed by researchers at CSIRO.

An article about the typical procedures for polymerizing via ATRP, which demonstrates that in the following two procedures describe two ATRP polymerization reactions as performed by Prof. Dave Hadddleton′s research group at the University of Warwick.

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