A novel hydroxyl polyacrylate latex modified by OvPOSS and its application in two-component waterborne polyurethane coatings

2019 ◽  
Vol 17 (1) ◽  
pp. 181-191
Author(s):  
Wu Zeng ◽  
Haowei Huang ◽  
Liujun Song ◽  
Xiang Jiang ◽  
Xinya Zhang
Coatings ◽  
2020 ◽  
Vol 10 (5) ◽  
pp. 461 ◽  
Author(s):  
Ruitao Wang ◽  
Chunxiang Li ◽  
Zhigang Liu ◽  
Zhongping Yao ◽  
Zhijiang Wang ◽  
...  

Waterborne polyurethane coatings were prepared using polyhydroxyacrylate dispersion, polyisocyanate, and propylene glycol diacetate (PGDA). The rate of reaction between hydroxyl and NCO groups in film formation and curing processes was studied by FTIR. The influence of PGDA amount on film formation and curing was also studied. Results showed that PGDA content had a significant effect on the curing process. With less than 10% PGDA, the role of PGDA was more to assist diffusion of polyhydroxyacrylate and polyisocyanate resin droplets. This promoted the reaction between hydroxyl groups and NCO. With more than 10% PGDA, its effect as a solvent was more and it inhibited the reaction between hydroxyl and NCO groups. When the amount of PGDA was about 10%, the synergy between both the roles promoted the crosslinking and curing reactions. The extent of the curing reaction of NCO was more than 70% in 4 h, which was significantly higher, compared with that of about 30% without PGDA. The good applicability and appearance of the waterborne polyurethane coating prepared in this study were verified for the application to carbon fiber metro vehicles.


1999 ◽  
Vol 71 (10) ◽  
pp. 143-149 ◽  
Author(s):  
Sharon Xudong Feng ◽  
Phil Lunney ◽  
Rebecca Wargo

2002 ◽  
Vol 74 (7) ◽  
pp. 31-36 ◽  
Author(s):  
Z. Alex He ◽  
Werner J. Blank ◽  
Marie E. Picci

RSC Advances ◽  
2016 ◽  
Vol 6 (33) ◽  
pp. 28089-28102 ◽  
Author(s):  
Maryam Moradi ◽  
Hamid Yeganeh ◽  
Shahla Pazokifard

Cathodic electrophoretic deposition (CEPD) was utilized to cover a mild steel cathode in an aqueous solution consisting of a newly synthesized two-component one-pack waterborne polyurethane resin.


2021 ◽  
Vol 12 (38) ◽  
pp. 5400-5411
Author(s):  
Xuan Yin ◽  
Haosheng Pang ◽  
Yunjun Luo ◽  
Bing Zhang

Green functional two-component flame-retardant waterborne polyurethane (2K-FWPU) coatings possess outstanding green traits, such as providing eco-friendly protection, having low toxicity, and generating no pollution.


2021 ◽  
Vol 154 ◽  
pp. 106156
Author(s):  
Lucas Dall Agnol ◽  
Fernanda Trindade Gonzalez Dias ◽  
Heitor Luiz Ornaghi ◽  
Marco Sangermano ◽  
Otávio Bianchi

Sign in / Sign up

Export Citation Format

Share Document