Uncontrolled polymerization that occurred during photoinitiated RAFT dispersion polymerization of acrylic monomers promotes the formation of uniform raspberry-like polymer particles

2020 ◽  
Vol 11 (28) ◽  
pp. 4591-4603 ◽  
Author(s):  
Ruiming Zeng ◽  
Ying Chen ◽  
Li Zhang ◽  
Jianbo Tan

Uniform raspberry-like polymer particles are prepared by a different type of photoinitiated RAFT dispersion polymerization.

2015 ◽  
Vol 51 (45) ◽  
pp. 9358-9361 ◽  
Author(s):  
Naveed Anwar ◽  
Anne Rix ◽  
Wiltrud Lederle ◽  
Alexander J. C. Kuehne

We present a one-step Sonogashira dispersion polymerization generating monodisperse conjugated polymer particles with acetylene units on their surface. These moieties can be bio-functionalized using copper-free thiol-yne click chemistry providing fluorescent probes for cell labelling and imaging.


2010 ◽  
Vol 42 (1) ◽  
pp. 66-71 ◽  
Author(s):  
Natsumi Konishi ◽  
Teruhisa Fujibayashi ◽  
Takuya Tanaka ◽  
Hideto Minami ◽  
Masayoshi Okubo

2012 ◽  
Vol 127 (4) ◽  
pp. 2635-2640 ◽  
Author(s):  
Zhipeng Song ◽  
Eric S. Daniels ◽  
E. David Sudol ◽  
James F. Gilchrist ◽  
Andrew Klein ◽  
...  

2003 ◽  
Vol os-12 (3) ◽  
pp. 1558925003os-12
Author(s):  
Darryl L. Whitmore

In the early 1980's Johnson & Johnson developed a revolutionary process for the production of webs containing superabsorbent polymers (SAP) produced by in-situ polymerization of partially neutralized acrylic monomers directly on a synthetic nonwoven substrate [1, 2, 3, 4]. A fresh look at this forgotten technology will be presented from both a manufacturing and application perspective. In particular, In-situ, SAP-containing nonwovens offer many unique properties for application in the personal hygiene industry, such as, improved fluid acquisition, permeability, compressibility and pH control. These materials also provide a more homogenous SAP distribution, eliminate the need for SAP powder handling and have superior wet integrity as compared to conventional fluff pulp/SAP air laid structures. This technology also offers some unique opportunities for designing and manufacturing profiled absorbent articles with specific zones tailored to perform specific functions.


1996 ◽  
Vol 462 ◽  
Author(s):  
E.W. Merrill

ABSTRACTTwo ‘families’ of polymers applicable to preservation and restoration are discussed: (i) polysiloxane networks generated by platinum catalyzed addition of vinyl silane precursors to hydrogenosilane precursors; and (ii) acrylic compositions generated by redox initiated polymerization of acrylic monomers in the presence of fine spherical acrylic polymer particles. In both cases the end result is achieved at temperatures between ambient and 60°C, and with negligible volumetric shrinkage.


2012 ◽  
Vol 41 (12) ◽  
pp. 1658-1659 ◽  
Author(s):  
Hiroyuki Hamasaki ◽  
Yuya Maekawa ◽  
Soichiro Matsuzawa ◽  
Atsushi Ohtaka ◽  
Yoshinobu Nakamura ◽  
...  

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