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Polymer source特約代理商 P15019-SEOCOOHcomb|產品資訊|上海91麻豆福利视频网生物科技有限公司
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Polymer source特約代理商 P15019-SEOCOOHcomb

日期:2025-04-30 12:40
瀏覽次數:2431
摘要:Polymer source特約代理商 P15019-SEOCOOHcomb

Polymer source特約代理商 P15019-SEOCOOHcomb



NMR spectrum of SSButene random:

Sample Name: Polystyrene Graft Ethylene Oxide Functionalized with carboxy acid groups

 

Sample #: P41758A-SEOCOOHcomb

 

Structure:

CH2
CH2
CH2 CH2
O      CH2           CH2           O     C
H2
H2 C

COOH

NMR spectrum of SSButanol:

Composition:

Mn x 103

(Main Chain)

Mn x 103

(Graft Chain)

Mn x 103

(Total Chain)

Mw/M

n   (Total)

6.0

2.8

34.0

1.02

PEO: 10 branches

 


Synthesis Procedure:

Polystyrene-g-poly (ethylene oxide) is synthesized by polymerization of ethylene oxide on the polystyrene bearing hydroxyl functions. The following reaction scheme shows how the product was prepared:



 

NMR spectrum of SSEO graft:


 

1. 

NMR spectrum of the Sample:

H2C

sec-BuLi

+ H2C        CH  

or AIBN/TEMPO

CH2 CH2 CH CH2

CH2 CH2 CH CH2

9BBN H2O2

1. K
2. EO

CH2 CH2 CH2 CH2 OH










 

Characterization:

The product was characterized by size exclusion chromatography (SEC) and 1H NMR.

 

Solubility:

Polystyrene-g-poly (ethylene oxide) is soluble in THF, DMF, chloroform, and Toluene. It precipitates from hexanes and cold ether.


SEC elugram of SSallyl ran Lot P41741:


 

 

SEC elugram of the Sample:


 

Polymer Source Inc. 成立於 1993 年,旨在為全球科學界提供研究級聚合物。2002 年,Polymer Source 搬遷到大蒙特利爾地區(加拿大魁北克省多瓦爾市)的一棟新大樓,該大樓由其個人計劃建造。現有設施包括一個大型化學實驗室、四個分析室、化學倉庫;91麻豆福利视频网現在正在設置一個潔淨室以滿足特定客戶的需求。2012 年,公司實施了 ISO 9001 質量管理體係並記錄了標準操作程序 (SOP),以符合國際法規。如今,Polymer Source 產品通過日本、中國、韓國、印度和英國的國際分銷商在世界各地銷售。


研究與開發
Polymer Source 的成功基於強大的研發戰略,以闖新和開發新產品和定製服務。91麻豆福利视频网的科學團隊成員擁有化學博士學位和/或碩士學位以及跨學科研究經驗,他們專注於尋找優雅的工藝來製造具有明確化學結構和特定材料特性的新聚合物,以支持世界各地的研究項目。


加拿大Polymer Soruce  
 加拿大Polymer Soruce成立於1994年. 
 A:Deuterated Polymers 氘代聚合物 
1. Deuterated Homopolymers 氘代均聚物 
2. Deuterated Block Copolymers 氘代嵌段共聚物 
3. Deuterated Functionlized Polymers 氘代功能聚合物 
4. Deuterated Random and Alternating Copolymers 氘代無規和交替共聚物 
5. Deuterated Monomers 氘代單體 
6. Deuterated Oligomers (Dimer & Trimer etc.) 氘代齊聚物(二聚物和三聚物等) 
7. C13 Labeled Polymers C13標示聚合物 
B:Protonated Polymers 質子化聚合物 
1. Monomers-High Purity 高純單體 
2. Hydrophobic Polymers 憎水聚合物 
3. Hydrophilic Polymers 親水聚合物 
4. Diblock Copolymers 雙嵌段共聚物 
5. Amphiphilic Block Copolymers 兩性嵌段共聚物 
6. A-B-A Triblock Copolymers A-B-A三嵌段共聚物 
7. A-B-C Triblock Copolymers A-B-C三嵌段共聚物 
8. Random and Alternating Copolymers 無規和交替共聚物 
9. Functionalized Polymers 功能聚合物 
10. Star-like Polymers 星形聚合物 
11. Comb-like Polymers 梳子形聚合物 
12. Labeled Polymers 標示聚合物 
13. Ionomers 離子聚合物 
14. Oligomers (Dimer & Trimer etc.) 齊聚物(二聚物和三聚物等) 
15. Conducting and Luminescence Polymers 導電和熒光聚合物 "


 

 

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