scholarly journals Independent and combined cytotoxicity and genotoxicity of triethylene glycol dimethacrylate and urethane dimethacrylate

2010 ◽  
Vol 38 (7) ◽  
pp. 4603-4611 ◽  
Author(s):  
Maria Wisniewska-Jarosinska ◽  
Tomasz Poplawski ◽  
Cezary J. Chojnacki ◽  
Elzbieta Pawlowska ◽  
Renata Krupa ◽  
...  
Keyword(s):  
Triethylene Glycol ◽  
Glycol Dimethacrylate ◽  
Triethylene Glycol Dimethacrylate ◽  
Urethane Dimethacrylate

scholarly journals Controlled Release of Chlorhexidine from UDMA-TEGDMA Resin

2006 ◽  
Vol 85 (10) ◽  
pp. 950-954 ◽  
Author(s):  
K.J. Anusavice ◽  
N.-Z. Zhang ◽  
C. Shen
Keyword(s):  
Triethylene Glycol ◽  
Filler Loading ◽  
Degree Of Polymerization ◽  
Fickian Diffusion ◽  
Release Mechanism ◽  
Glycol Dimethacrylate ◽  
Release Rates ◽  
Triethylene Glycol Dimethacrylate ◽  
Urethane Dimethacrylate ◽  
Dental Applications

Chlorhexidine salts are available in various formulations for dental applications. This study tested the hypothesis that the release of chlorhexidine from a urethane dimethacrylate and triethylene glycol dimethacrylate resin system can be effectively controlled by the chlorhexidine diacetate content and pH. The filler concentrations were 9.1, 23.1, or 33.3 wt%, and the filled resins were exposed to pH 4 and pH 6 acetate buffers. The results showed that Fickian diffusion was the dominant release mechanism. The rates of release were significantly higher in pH 4 buffer, which was attributed to the increase of chlorhexidine diacetate solubility at lower pH. The higher level of filler loading reduced the degree of polymerization, leading to a greater loss of organic components and higher chlorhexidine release rates.

A triethylene glycol dimethacrylate- free dental composite for reduced water-sorption and shrinkage

2017 ◽  
Vol 52 (12) ◽  
pp. 1579-1588 ◽  
Author(s):  
Yuling Xu ◽  
Dong Xie
Keyword(s):  
Water Sorption ◽  
Triethylene Glycol ◽  
Dental Composite ◽  
Dental Composites ◽  
Screen Tool ◽  
Glycol Dimethacrylate ◽  
Triethylene Glycol Dimethacrylate ◽  
Commercial Resin ◽  
Urethane Dimethacrylate ◽  
Reduced Water

A number of new liquid urethane-based oligomers were synthesized, characterized and used to formulate the dental composites. Compressive strength and viscosity were used as a screen tool to evaluate the formed composites. Commercial available bisphenol A glycidyl methacrylate and urethane dimethacrylate-based systems were used as controls. Degree of conversion, shrinkage, water-sorption, solubility, flexural strength and diametrial tensile strength were evaluated. The results show that using mixed acrylate/methacrylate or methacrylates with different length to derivatize diisocyanates could be a good strategy to synthesize urethane-based oligomers in a liquid state. The developed triethylene glycol dimethacrylate-free urethane-based composites showed significantly reduced water sorption and solubility, decreased shrinkage and enhanced mechanical strength as compared to commercial resin-based ones.

Development of Branching in Atom Transfer Radical Copolymerization of Styrene with Triethylene Glycol Dimethacrylate

2009 ◽  
Vol 42 (16) ◽  
pp. 5976-5982 ◽  
Author(s):  
Hong-Jun Yang ◽  
Bi-Biao Jiang ◽  
Wen-Yan Huang ◽  
Dong-Liang Zhang ◽  
Li-Zhi Kong ◽  
...  
Keyword(s):  
Triethylene Glycol ◽  
Radical Copolymerization ◽  
Atom Transfer ◽  
Glycol Dimethacrylate ◽  
Triethylene Glycol Dimethacrylate

scholarly journals Synthesis and research of photocurable protective coatings on the basis of olygoesteracrylates

2020 ◽  
Vol 7 (4) ◽  
pp. 229-232
Author(s):  
O. A. Karsakova ◽  
M. V. Kuzmin
Keyword(s):  
Mechanical Properties ◽  
Polyethylene Glycol ◽  
Methacrylic Acid ◽  
Protective Coatings ◽  
Physical And Mechanical Properties ◽  
Triethylene Glycol ◽  
Glycol Dimethacrylate ◽  
Triethylene Glycol Dimethacrylate ◽  
Rotary Viscometer ◽  
Acid Esters

In this work, photocurable protective coatings based on methacrylic acid esters have been developed and their physical and mechanical properties have been investigated. The photocurable compositions were obtained by mixing at different ratios the following methacrylic acid esters: polyethylene glycol dimethacrylate 400 and triethylene glycol dimethacrylate ether, polyethylene glycol dimethacrylate 400 and oligourethane dimethacrylate, polyethylene glycol dimethacrylate 400 and pentaerythritol tetraacrylate. For the obtained compositions, the viscosity was studied using a Brookfield rotary viscometer. To initiate polymerization, a mixture of initiators was used: benzoyl peroxide and benzoin. Curing of the obtained compositions was carried out under the influence of UV rays for 2-5 minutes. For photo-cured compositions, their physical and mechanical properties have been studied. It was found that the composition based on polyethylene glycol dimethacrylate modified with triethylene glycol dimethacrylate at a ratio of 70:30 has the highest strength.

Nanoporous Polymer Networks of N-Vinylpyrrolidone with Triethylene Glycol Dimethacrylate and Sorption of Macromolecules

2019 ◽  
Vol 61 (2) ◽  
pp. 186-193 ◽  
Author(s):  
S. V. Kurmaz ◽  
N. V. Fadeeva ◽  
A. A. Grishchuk ◽  
E. I. Knerel’man ◽  
G. I. Davydova
Keyword(s):  
Polymer Networks ◽  
Triethylene Glycol ◽  
Glycol Dimethacrylate ◽  
Triethylene Glycol Dimethacrylate
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