Synthesis and Characterization of Urethane-PMMA Polymer Binder

The urethane binder was synthesized using polypropylene glycol (PPG, Mn = 1000 g/mol, Merck KGaA, Darmstadt, Germany), polyethylene glycol (PEG, Mn = 1000 g/mol, Merck KGaA, Darmstadt, Germany), polytetrahydrofuran (PTMG, Mn = 1000 g/mol, Merck KGaA, Darmstadt, Germany) as the polyol of UA, and hexamethylene diisocyanate (HDI, Mn = 168.2 g/mol, Tokyo Chemical Industry Co., Ltd., Tokyo, Japan) as the isocyanate of the main chain. PMMA (Mn = 28,000, Jungseok Chemical Co., Ltd., Jeonju, Republic of Korea) was used to form a polymer binder by complexing with UA. MMA (Mn = 100.121 g/mol, Merck KGaA, Darmstadt, Germany) was used as a diluent to control the viscosity of the synthesized UA. Dibutyltin dilaurate (DBTDL, Mn = 631.56 g/mol, Merck KGaA, Darmstadt, Germany) was used as an organometallic catalyst to promote the urethane reaction between the –OH group of the polyol and the isocyanate –NCO group. N,N-bis(2-hydroxyethyl)-p-toluidine (PTE, Mn = 195.26 g/mol, Jungseok Chemical Co., Ltd., Jeonju, Republic of Korea) and BPO (Mn = 242.23 g/mol, Jungseok Chemical Co., Ltd., Jeonju, Republic of Korea) were used as catalysts and initiators to cure the polymer binder blended with PMMA and UA, respectively.

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Lee J.H., Lim W.B., Min J.G., Lee J.R., Kim J.W., Bae J.H, & Huh P.H. (2024). Synthesis of Room Temperature Curable Polymer Binder Mixed with Polymethyl Methacrylate and Urethane Acrylate for High-Strength and Improved Transparency. Polymers, 16(10), 1418.

Publication 2024

Dibutyltin dilaurate (DBTDL,

Corresponding Organization : Pusan National University

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Variable analysis

independent variables

Polypropylene glycol (PPG, Mn = 1000 g/mol)
Polyethylene glycol (PEG, Mn = 1000 g/mol)
Polytetrahydrofuran (PTMG, Mn = 1000 g/mol)
Hexamethylene diisocyanate (HDI, Mn = 168.2 g/mol)
PMMA (Mn = 28,000)
MMA (Mn = 100.121 g/mol)
Dibutyltin dilaurate (DBTDL, Mn = 631.56 g/mol)
N,N-bis(2-hydroxyethyl)-p-toluidine (PTE, Mn = 195.26 g/mol)
BPO (Mn = 242.23 g/mol)

dependent variables

Synthesized urethane binder properties

control variables

Polypropylene glycol (PPG, Mn = 1000 g/mol)
Polyethylene glycol (PEG, Mn = 1000 g/mol)
Polytetrahydrofuran (PTMG, Mn = 1000 g/mol)
Hexamethylene diisocyanate (HDI, Mn = 168.2 g/mol)
PMMA (Mn = 28,000)
MMA (Mn = 100.121 g/mol)
Dibutyltin dilaurate (DBTDL, Mn = 631.56 g/mol)
N,N-bis(2-hydroxyethyl)-p-toluidine (PTE, Mn = 195.26 g/mol)
BPO (Mn = 242.23 g/mol)

controls

No positive or negative controls explicitly mentioned.

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