Synthesis and Characteristic Valuation of a Thermoplastic Polyurethane Electrode Binder for In-Mold Coating
A polyurethane series (PHEI-PU) was prepared via a one-shot bulk polymerization method using hexamethylene diisocyanate (HDI), polycarbonate diol (PCD), and isosorbide derivatives (ISBD) as chain extenders. The mechanical properties were evaluated using a universal testing machine (UTM), and the the...
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| Veröffentlicht in: | Polymers 2024-01, Vol.16 (3), p.375 |
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| creator | Hong, Suk-Min Kwon, Hyuck-Jin Sun, Jung-Min Lee, Chil Won |
| description | A polyurethane series (PHEI-PU) was prepared via a one-shot bulk polymerization method using hexamethylene diisocyanate (HDI), polycarbonate diol (PCD), and isosorbide derivatives (ISBD) as chain extenders. The mechanical properties were evaluated using a universal testing machine (UTM), and the thermal properties were evaluated using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The PHEI-PU series exhibited excellent mechanical properties with an average tensile strength of 44.71 MPa and an elongation at break of 190%. To verify the applicability of different proportions of PU as an electrode binder, PU and Ag flakes were mixed (30/70 wt%) and coated on PCT substrates, the electrodes were evaluated by four-point probe before and after 50% elongation, and the dispersion was evaluated by scanning electron microscopy (SEM). The electrical resistance change rate of PHEI-PU series was less than 20%, and a coating layer with well-dispersed silver flakes was confirmed even after stretching. Therefore, it exhibited excellent physical properties, heat resistance, and electrical resistance change rate, confirming its applicability as an electrode binder for in-mold coating. |
| doi_str_mv | 10.3390/polym16030375 |
| format | Article |
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The mechanical properties were evaluated using a universal testing machine (UTM), and the thermal properties were evaluated using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The PHEI-PU series exhibited excellent mechanical properties with an average tensile strength of 44.71 MPa and an elongation at break of 190%. To verify the applicability of different proportions of PU as an electrode binder, PU and Ag flakes were mixed (30/70 wt%) and coated on PCT substrates, the electrodes were evaluated by four-point probe before and after 50% elongation, and the dispersion was evaluated by scanning electron microscopy (SEM). The electrical resistance change rate of PHEI-PU series was less than 20%, and a coating layer with well-dispersed silver flakes was confirmed even after stretching. Therefore, it exhibited excellent physical properties, heat resistance, and electrical resistance change rate, confirming its applicability as an electrode binder for in-mold coating.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym16030375</identifier><identifier>PMID: 38337264</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Analysis ; Bulk polymerization ; Chemical synthesis ; Dispersion ; Electrical resistance ; Electrodes ; Elongation ; Flakes ; Fourier transforms ; Heat resistance ; Hexamethylene diisocyanate ; In-mold coating ; Injection molding ; Mechanical properties ; Methods ; NMR ; Nuclear magnetic resonance ; Physical properties ; Polymerization ; Polyurethane resins ; Polyurethanes ; Resins ; Silver ; Solvents ; Substrates ; Tensile strength ; Thermal properties ; Thermal resistance ; Thermodynamic properties ; Thermogravimetric analysis ; Thermoplastics ; Urethane thermoplastic elastomers ; Viscosity</subject><ispartof>Polymers, 2024-01, Vol.16 (3), p.375</ispartof><rights>COPYRIGHT 2024 MDPI AG</rights><rights>2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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Therefore, it exhibited excellent physical properties, heat resistance, and electrical resistance change rate, confirming its applicability as an electrode binder for in-mold coating.</description><subject>Analysis</subject><subject>Bulk polymerization</subject><subject>Chemical synthesis</subject><subject>Dispersion</subject><subject>Electrical resistance</subject><subject>Electrodes</subject><subject>Elongation</subject><subject>Flakes</subject><subject>Fourier transforms</subject><subject>Heat resistance</subject><subject>Hexamethylene diisocyanate</subject><subject>In-mold coating</subject><subject>Injection molding</subject><subject>Mechanical properties</subject><subject>Methods</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Physical properties</subject><subject>Polymerization</subject><subject>Polyurethane resins</subject><subject>Polyurethanes</subject><subject>Resins</subject><subject>Silver</subject><subject>Solvents</subject><subject>Substrates</subject><subject>Tensile strength</subject><subject>Thermal properties</subject><subject>Thermal resistance</subject><subject>Thermodynamic properties</subject><subject>Thermogravimetric analysis</subject><subject>Thermoplastics</subject><subject>Urethane thermoplastic elastomers</subject><subject>Viscosity</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkc1vFSEUxYnR2KZ26daQuHEzleFjGJb1pdUmNZpY3U4YuPRRGXgCs3j_vTxfNSp3Abn87uGEg9DLnlwwpsjbXQr7pR8II0yKJ-iUEsk6zgby9K_zCTov5YG0xcUw9PI5OmEjY5IO_BR9_7KPdQvFF6yjxZutztpUyL5Ub_A3HVZdfYo4Oazx3RbyknZB_7r83B5fM9StjoCvApiakwX8zkcLGbuU8U3sPqbQVFMTifcv0DOnQ4Hzx_0Mfb2-utt86G4_vb_ZXN52hglROzobpfgsejkbqR0Io50ZmLWztc44asdBjwaAa6GY7C0d6EiAKsOZ1spKdobeHHV3Of1YodRp8cVACM1oWstEFRWEccH7hr7-D31Ia47N3YFiSo5iPFAXR-peB5h8dKm2X2plYfEmRXC-9S_lSIminI5toDsOmJxKyeCmXfaLzvupJ9Mhuemf5Br_6tHGOi9g_9C_c2I_AX_Glag</recordid><startdate>20240130</startdate><enddate>20240130</enddate><creator>Hong, Suk-Min</creator><creator>Kwon, Hyuck-Jin</creator><creator>Sun, Jung-Min</creator><creator>Lee, Chil Won</creator><general>MDPI AG</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6738-4561</orcidid><orcidid>https://orcid.org/0000-0002-6247-0468</orcidid></search><sort><creationdate>20240130</creationdate><title>Synthesis and Characteristic Valuation of a Thermoplastic Polyurethane Electrode Binder for In-Mold Coating</title><author>Hong, Suk-Min ; 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| subjects | Analysis Bulk polymerization Chemical synthesis Dispersion Electrical resistance Electrodes Elongation Flakes Fourier transforms Heat resistance Hexamethylene diisocyanate In-mold coating Injection molding Mechanical properties Methods NMR Nuclear magnetic resonance Physical properties Polymerization Polyurethane resins Polyurethanes Resins Silver Solvents Substrates Tensile strength Thermal properties Thermal resistance Thermodynamic properties Thermogravimetric analysis Thermoplastics Urethane thermoplastic elastomers Viscosity |
| title | Synthesis and Characteristic Valuation of a Thermoplastic Polyurethane Electrode Binder for In-Mold Coating |
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