Polyol and polyurethane containing bisphenol‐Z: Synthesis and application for toughening epoxy
Despite their excellent properties, epoxy resins have the disadvantage of low toughness. With the aim to improve the toughness of epoxy resin, polyol and polyurethane are synthesized using bisphenol‐Z (BPZ). The synthesized material is dispersed in the epoxy resin and used as a toughening agent. Pol...
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| Veröffentlicht in: | Journal of applied polymer science 2022-11, Vol.139 (42), p.n/a |
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| creator | Lee, Da Young Kim, Hye Jin Kim, Hyeon‐Gook Lim, Choong‐Sun Chung, Ildoo Seo, Bongkuk |
| description | Despite their excellent properties, epoxy resins have the disadvantage of low toughness. With the aim to improve the toughness of epoxy resin, polyol and polyurethane are synthesized using bisphenol‐Z (BPZ). The synthesized material is dispersed in the epoxy resin and used as a toughening agent. Polyol (modified bisphenol‐Z [MBPZ]‐OH) is synthesized by a ring‐opening polymerization of propylene oxide and caprolactone, and polyurethane (MBPZ‐PU) is synthesized by a one‐shot method using MBPZ‐OH and hexamethylene diisocyanate (HMDI). The effect of MBPZ‐PU on the mechanical strength of the epoxy resin is analyzed by monitoring the flexural and impact characteristics. The addition of the synthesized MBPZ‐PU improves the tensile strength, flexural strength, flexibility, and impact strength of the cured epoxy composite. Field‐emission scanning electron microscopy measurements indicate that the fracture surface had a specific pattern. Thermal properties such as the curing temperature, glass transition temperature (Tg), and modulus are investigated through differential scanning calorimetry, dynamic mechanical analysis, and thermomechanical analysis. Based on the results, MBPZ‐PU is expected to be applied to a wider field for increasing the toughness of epoxy. |
| doi_str_mv | 10.1002/app.53013 |
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With the aim to improve the toughness of epoxy resin, polyol and polyurethane are synthesized using bisphenol‐Z (BPZ). The synthesized material is dispersed in the epoxy resin and used as a toughening agent. Polyol (modified bisphenol‐Z [MBPZ]‐OH) is synthesized by a ring‐opening polymerization of propylene oxide and caprolactone, and polyurethane (MBPZ‐PU) is synthesized by a one‐shot method using MBPZ‐OH and hexamethylene diisocyanate (HMDI). The effect of MBPZ‐PU on the mechanical strength of the epoxy resin is analyzed by monitoring the flexural and impact characteristics. The addition of the synthesized MBPZ‐PU improves the tensile strength, flexural strength, flexibility, and impact strength of the cured epoxy composite. Field‐emission scanning electron microscopy measurements indicate that the fracture surface had a specific pattern. Thermal properties such as the curing temperature, glass transition temperature (Tg), and modulus are investigated through differential scanning calorimetry, dynamic mechanical analysis, and thermomechanical analysis. Based on the results, MBPZ‐PU is expected to be applied to a wider field for increasing the toughness of epoxy.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.53013</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>adhesives ; Bisphenols ; Dynamic mechanical analysis ; Epoxy resins ; Flexural strength ; Fracture surfaces ; Glass transition temperature ; Hexamethylene diisocyanate ; Impact strength ; Materials science ; mechanical properties ; Polymers ; polyurethane ; Polyurethane resins ; Propylene oxide ; Rapid prototyping ; resins ; Ring opening polymerization ; surfaces and interfaces ; Tensile strength ; Thermodynamic properties ; Thermomechanical analysis</subject><ispartof>Journal of applied polymer science, 2022-11, Vol.139 (42), p.n/a</ispartof><rights>2022 The Authors. published by Wiley Periodicals LLC.</rights><rights>2022. This article is published under http://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). 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With the aim to improve the toughness of epoxy resin, polyol and polyurethane are synthesized using bisphenol‐Z (BPZ). The synthesized material is dispersed in the epoxy resin and used as a toughening agent. Polyol (modified bisphenol‐Z [MBPZ]‐OH) is synthesized by a ring‐opening polymerization of propylene oxide and caprolactone, and polyurethane (MBPZ‐PU) is synthesized by a one‐shot method using MBPZ‐OH and hexamethylene diisocyanate (HMDI). The effect of MBPZ‐PU on the mechanical strength of the epoxy resin is analyzed by monitoring the flexural and impact characteristics. The addition of the synthesized MBPZ‐PU improves the tensile strength, flexural strength, flexibility, and impact strength of the cured epoxy composite. Field‐emission scanning electron microscopy measurements indicate that the fracture surface had a specific pattern. Thermal properties such as the curing temperature, glass transition temperature (Tg), and modulus are investigated through differential scanning calorimetry, dynamic mechanical analysis, and thermomechanical analysis. Based on the results, MBPZ‐PU is expected to be applied to a wider field for increasing the toughness of epoxy.</description><subject>adhesives</subject><subject>Bisphenols</subject><subject>Dynamic mechanical analysis</subject><subject>Epoxy resins</subject><subject>Flexural strength</subject><subject>Fracture surfaces</subject><subject>Glass transition temperature</subject><subject>Hexamethylene diisocyanate</subject><subject>Impact strength</subject><subject>Materials science</subject><subject>mechanical properties</subject><subject>Polymers</subject><subject>polyurethane</subject><subject>Polyurethane resins</subject><subject>Propylene oxide</subject><subject>Rapid prototyping</subject><subject>resins</subject><subject>Ring opening polymerization</subject><subject>surfaces and interfaces</subject><subject>Tensile strength</subject><subject>Thermodynamic properties</subject><subject>Thermomechanical analysis</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><recordid>eNp1kL1OwzAUhS0EEqUw8AaRmBjS-iexY7aq4k-qRCVgYTGO47Sugh3sRJCNR-AZeRLclpXpXul-5x6dA8A5ghMEIZ7Ktp3kBCJyAEYIcpZmFBeHYBRvKC04z4_BSQgbCBHKIR2B16VrBtck0lZJG9fe624trU6Us5001thVUprQrrV1zc_X98tV8jjYbq2DCTtRNGyMkp1xNqmdTzrXryK81enWfQ6n4KiWTdBnf3MMnm-un-Z36eLh9n4-W6SKEExSnBGcKZrVjJesIpXiukZQM1wrpKuCM4gKWCqFKSGyrBWtJMN5zooKcUkqSMbgYv-39e6916ETG9d7Gy0FZohTSlH0GIPLPaW8C8HrWrTevEk_CATFtkAR84hdgZGd7tkP0-jhf1DMlsu94he0hXRH</recordid><startdate>20221110</startdate><enddate>20221110</enddate><creator>Lee, Da Young</creator><creator>Kim, Hye Jin</creator><creator>Kim, Hyeon‐Gook</creator><creator>Lim, Choong‐Sun</creator><creator>Chung, Ildoo</creator><creator>Seo, Bongkuk</creator><general>John Wiley & Sons, Inc</general><general>Wiley Subscription Services, Inc</general><scope>24P</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-9226-9151</orcidid><orcidid>https://orcid.org/0000-0003-0313-9473</orcidid></search><sort><creationdate>20221110</creationdate><title>Polyol and polyurethane containing bisphenol‐Z: Synthesis and application for toughening epoxy</title><author>Lee, Da Young ; Kim, Hye Jin ; Kim, Hyeon‐Gook ; Lim, Choong‐Sun ; Chung, Ildoo ; Seo, Bongkuk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3323-24324c64f79b7d3dc9ef10e72fc1ed8970180bcc2633abfc6da725578d19a3d03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>adhesives</topic><topic>Bisphenols</topic><topic>Dynamic mechanical analysis</topic><topic>Epoxy resins</topic><topic>Flexural strength</topic><topic>Fracture surfaces</topic><topic>Glass transition temperature</topic><topic>Hexamethylene diisocyanate</topic><topic>Impact strength</topic><topic>Materials science</topic><topic>mechanical properties</topic><topic>Polymers</topic><topic>polyurethane</topic><topic>Polyurethane resins</topic><topic>Propylene oxide</topic><topic>Rapid prototyping</topic><topic>resins</topic><topic>Ring opening polymerization</topic><topic>surfaces and interfaces</topic><topic>Tensile strength</topic><topic>Thermodynamic properties</topic><topic>Thermomechanical analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Da Young</creatorcontrib><creatorcontrib>Kim, Hye Jin</creatorcontrib><creatorcontrib>Kim, Hyeon‐Gook</creatorcontrib><creatorcontrib>Lim, Choong‐Sun</creatorcontrib><creatorcontrib>Chung, Ildoo</creatorcontrib><creatorcontrib>Seo, Bongkuk</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Da Young</au><au>Kim, Hye Jin</au><au>Kim, Hyeon‐Gook</au><au>Lim, Choong‐Sun</au><au>Chung, Ildoo</au><au>Seo, Bongkuk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polyol and polyurethane containing bisphenol‐Z: Synthesis and application for toughening epoxy</atitle><jtitle>Journal of applied polymer science</jtitle><date>2022-11-10</date><risdate>2022</risdate><volume>139</volume><issue>42</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>Despite their excellent properties, epoxy resins have the disadvantage of low toughness. With the aim to improve the toughness of epoxy resin, polyol and polyurethane are synthesized using bisphenol‐Z (BPZ). The synthesized material is dispersed in the epoxy resin and used as a toughening agent. Polyol (modified bisphenol‐Z [MBPZ]‐OH) is synthesized by a ring‐opening polymerization of propylene oxide and caprolactone, and polyurethane (MBPZ‐PU) is synthesized by a one‐shot method using MBPZ‐OH and hexamethylene diisocyanate (HMDI). The effect of MBPZ‐PU on the mechanical strength of the epoxy resin is analyzed by monitoring the flexural and impact characteristics. The addition of the synthesized MBPZ‐PU improves the tensile strength, flexural strength, flexibility, and impact strength of the cured epoxy composite. Field‐emission scanning electron microscopy measurements indicate that the fracture surface had a specific pattern. Thermal properties such as the curing temperature, glass transition temperature (Tg), and modulus are investigated through differential scanning calorimetry, dynamic mechanical analysis, and thermomechanical analysis. Based on the results, MBPZ‐PU is expected to be applied to a wider field for increasing the toughness of epoxy.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/app.53013</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-9226-9151</orcidid><orcidid>https://orcid.org/0000-0003-0313-9473</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | adhesives Bisphenols Dynamic mechanical analysis Epoxy resins Flexural strength Fracture surfaces Glass transition temperature Hexamethylene diisocyanate Impact strength Materials science mechanical properties Polymers polyurethane Polyurethane resins Propylene oxide Rapid prototyping resins Ring opening polymerization surfaces and interfaces Tensile strength Thermodynamic properties Thermomechanical analysis |
| title | Polyol and polyurethane containing bisphenol‐Z: Synthesis and application for toughening epoxy |
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