vinyl ether
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Study on the Synthesis, Properties and Characterization of EPEG Slump Retaining Typed Polycarboxylate Superplasticizer

2022 ◽  
Vol 905 ◽  
pp. 325-330
Author(s):  
Yun Hui Fang ◽  
Yu Liang Ke ◽  
Hua Zhen Lai ◽  
Zhao Peng Wang ◽  
Li Na Zhong ◽  
...  
Keyword(s):  
Free Radical ◽  
Double Bond ◽  
Acrylic Acid ◽  
Vinyl Ether ◽  
Conversion Rate ◽  
Polycarboxylate Superplasticizer ◽  
Properties And Characterization ◽  
Synthesis Properties ◽  
New Type

The ethyl glycol vinyl ether polyoxyethylene ether (EPEG) is a new type of macromonomer to synthesize polycarboxylate superplasticizer (PCE), which has higher reactivity due to the unsaturated double bond and easily to polymerization. The EPEG slump retaining typed PCE can be synthesized by free radical polymerization though EPEG, acrylic acid and hydroxyethyl acrylate (HEA). The HEA had the greatest influence on slump retaining performance. High polymerization conversion rate of EPEG typed PCE was beneficial to improve the concrete performance.

Factors influencing the swelling property of polymethyl vinyl ether-co-maleic acid hydrogels crosslinked by polyethylene glycol

2022 ◽  
pp. 103080
Author(s):  
Rubhan Chandran ◽  
Eusni Rahayu Mohd. Tohit ◽  
Johnson Stanslas ◽  
Tuan Mazlelaa Tuan Mahmood ◽  
Norazlinaliza Salim
Keyword(s):  
Polyethylene Glycol ◽  
Vinyl Ether ◽  
Maleic Acid ◽  
Swelling Property ◽  
Factors Influencing

Plasma etching of SiO2 contact hole using perfluoropropyl vinyl ether and perfluoroisopropyl vinyl ether

2022 ◽  
Vol 39 (1) ◽  
pp. 63-68
Author(s):  
Sanghyun You ◽  
Jun-Hyun Kim ◽  
Chang-Koo Kim
Keyword(s):  
Vinyl Ether ◽  
Plasma Etching

Nghiên cứu khả năng kháng UV của lớp phủ trên cở sở chất tạo màng họ fluoropolyme và định hướng chế tạo lớp phủ độ bền cao bảo vệ vũ khí

2021 ◽  
pp. 89-97
Author(s):  
Trần Phương Chiến
Keyword(s):  
Vinyl Ether

Nghiên cứu nhằm mục đích chế tạo lớp phủ bền UV với Fluoropolyme và các loại bột màu, phụ gia đặc biệt. Khảo sát độ bền UV được tiến hành giữa Fluoroethylene vinyl ether (FEVE) so với Polyurethane, Epoxy, Acrylic, Alkyd. Trên cơ sở đó, nghiên cứu xây dựng công thức và quy trình chế tạo lớp phủ với chất tạo màng FEVE với các loại bột màu TiO2 khác nhau (PFC 105, Ti-902, R 767). Các mẫu thử được thử nghiệm bằng thiết bị QUV test và theo tiêu chuẩn quy định. Kết quả nghiên cứu đã chế tạo được lớp phủ Fluoropolyme có tính năng cơ lý cao và khả năng kháng UV vượt trội từ 10 % - 20% so với các loại sơn khác.

scholarly journals Gas sorption and diffusion in perfluoro(butenyl vinyl ether) based perfluoropolymeric membranes

2021 ◽  
pp. 120095
Author(s):  
Moataz Ali El-Okazy ◽  
Liang Liu ◽  
Mohamed H. Abdellah ◽  
Eirini Goudeli ◽  
Sandra E. Kentish
Keyword(s):  
Vinyl Ether ◽  
Gas Sorption ◽  
And Diffusion

Poly (methyl vinyl ether-alt-maleic anhydride) as an ecofriendly electrolyte additive for high-voltage lithium-rich oxides with improved stability of interphase

2021 ◽  
pp. 139467
Author(s):  
Xin Ma ◽  
Man Wang ◽  
Yunxian Qian ◽  
Dongyu Feng ◽  
Guangzhao Zhang ◽  
...  
Keyword(s):  
Maleic Anhydride ◽  
Vinyl Ether ◽  
High Voltage ◽  
Electrolyte Additive ◽  
Methyl Vinyl ◽  
Improved Stability ◽  
Methyl Vinyl Ether

scholarly journals Application of Vinyl ether Copolymers for Surface Modification of Carbon Black

2021 ◽  
Vol 15 ◽  
pp. 1414-1420 ◽  
Author(s):  
A. V. Perchenok ◽  
E. V. Suvorova ◽  
A. A. Farmakovskaya ◽  
V. Kohlert
Keyword(s):  
Vinyl Ether ◽  
Ultrasonic Treatment ◽  
Strong Increase ◽  
Molecular Architecture ◽  
Aqueous Dispersions ◽  
Dispersed Systems ◽  
Carbon Particles ◽  
Composition And Structure ◽  
Polymeric Stabilizer ◽  
Systems Studies

In this work, the possibility of stabilizing aqueous dispersed systems of carbon with vinyl ether copolymers of various composition and structure was investigated. It was shown that the presence of hydrophobic fragments in the macromolecule chain plays a significant role and positively affects the results of stabilization of aqueous dispersions of carbon particles. It was shown that the composition and molecular architecture of the stabilizing copolymer strongly affects the stabilizing ability in studied systems. Studies have shown that the use of a polymeric stabilizer in combination with ultrasonic treatment of dispersed systems makes it possible to obtain stable, homogeneous, highly dispersed suspensions. At the same time, it was demonstrated that a strong increase in the time and intensity of ultrasonic treatment of the system does not lead to a significant improvement in the results

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