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DC Field | Value | Language |
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dc.contributor.advisor1 | Carvalho, Benjamim de Melo | - |
dc.contributor.advisor1Lattes | https://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4727019Y0&tokenCaptchar=03AFcWeA7MJLE5x4t8LpzT2W2llTkvd6imzYY8-T4_JXcIcj3-rVjdffBj6rQfcakb7XiHZivBvkhR4zgRBsXzV3GCy6X_Jrl_zAggVXkbBQjSV-za_8NtJHtucqlDSMe1DESURbcVGzdrJnMHquW32_0z4MP5cSyJ7xoF0gGg4ezGUkgz5FqRP7en2wyRpdI05mDpHblyuGlgCTaKz6HOHRlcdAOlHyWEG2SKz2gCPdFW1H4mYFMpltsDMatfdhXH6RA8kMnHPWB-3-dJyQMZzm8p2B1CU3IA_yOdin6DlnmDarStD4z8wL4M8MHGPuyB7qJeHF1Hi8bt3s3XSt2uCPiJZLCFkgxDbgUA41PIC6bpFGPJPWv2BJCc6onnBBRaiifaUXincai_j8FRLXLQTLfe4yxvXXeObV6kxvh4oikEJF568QIe6HbADiOFEk1M58snMtH2vrFk3t3cBDMf_pYb6YyNyEOkXaV0KF7mHVLS85CQ6amJ7iGUJBUXrdsagI1JLDwZxOCDJEouCJz-rKVosrnb4tQIjP35i5fUUyLABi73drDkTuV_eoJu4xq568_feXIKn53n_y2ywrB9i6RB2Cl0LVzRJqdw1MWUwBK-TqWbkPiUjv00hh7tMvy05ENf0vYUmBLTfDOD4CAt9b3FKwSR3VGZA3IjHTsQQ5odFrMoIfXYdae2ZnXKcCxIg62x4h-Hwzzu | pt_BR |
dc.contributor.referee1 | Sowek, Adriane Bassani | - |
dc.contributor.referee1Lattes | https://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4798037Z6&tokenCaptchar=03AFcWeA7F5nn3ucQ3jDZhOJh1lAzITCxoXAPR1DF7NFJ8boEYndlJzbE7PwiBHwAbK7W_XEBprvdR1e2BBGLOaLWD4RkNPHmH2CbJ6LH0zVHpAG8ebyS8BGOHAp22e30WosEhFYAoK_bVOVRK9yjkzTQGc2-pQdTpzbmgsDl1gVEYK2F5rxlhooTxc9rsu5xCEFpVFRDZX-jb5PRFUiCtH7pg6FxpWK4ClI0ankn8WuUALCdOtY_Xv17W_5FYPZ_z_YxxJWHsK6WMh7zaLaABvtL9a8LUcRrvfm44DiB1a7M1tumqPtK-bLdS_fQEkoOF-sIjx5JtMS8CAHof8gXy4Vafiq28TMaFhpdmPRJxqHRTeIGOZU7rRKrmzmyAZkoLUw_Ml7bAjSD088h7jPQyfFvW7d8U2oPM9n1AFxEwgP-_fYcWRRdZ4_5JD9bclx7cM6PBDAyY6lvp_1Io3FNzIJ9jyz4MQOkaqzvT3AdrhwXKgF4QktsUBzy0gWHMqpxaHndqMOsfN239IGwPpzfMhRRXX01yxjND3-cIl2Z2bQ0--bjnbj7lBY7Htj7d6We94O7WDYsan7llfqnJugRIL0RyKzctFBvOcICy-TOgDrLDBC5LjjcXmm9hPJ89tjqg_ve6cHrfC2yC2Yw4ZCAkRjmOdXH2-2iQ4_b2ZA842eBSg7iVJebflCRldUtU-EQxoGnbecBolTe0 | pt_BR |
dc.contributor.referee2 | Vieira, Osvaldo | - |
dc.contributor.referee2Lattes | https://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4782218H8&tokenCaptchar=03AFcWeA4gYweGaZ8R65AOoZU-X6WwCPwNb5P-ZlhLuNHJCkm8-MR0-Kef3Q6Xaswt5nuZ6UhFnwzB4Qz9JJ8-hUvEX2Kr8s21siVuQSDqXvb1X_JvJE2mlG3SVt8eXfrQSqwSEdVsUCyw0ResJlW5sXq56J4Yzyy2Z-aAOK0Y_8AxDPzEb0KUAhJpb4XimRWQPrlezMJJ-umkDMZ3IUdZ-oA0rQKw1EYZ1ZL0S4sJbquIBto9izlWgke19OdPmifANPUJ57k6hQlxsiGCUXffaUlkEcOsmcV0T5wzBHCptBDfzc3W2vRvOg8VczY3fRqDO3SrLVY3jeJx2UUM-TYu21fNzDNc7Sti-iyyT2FSSgIn7ey7alnbL4hmf2lOjDWKECX1-hQ_dNGCGCvO_OaK4FTIH2pg0I_qN6cTvQiYsTfbQKYxZxUw4J7yShVHayjn97Y654xtI1ppSG94cwDDH9FOSv1kRp5sVQPHr0TFQqzL3R5Pr5F332EYK6qpSjgJZYNrEgTCEnm0CgNk1bgESWBZ1UbuBNkCYYia6EqtGv5Oumm9R-sfhYtaIJcu3bBKeUYUTC33xvB8OoMuVEPQKNYeiVcMpXS88dCnBqWtjQG4uhyfBLc0UksFEQvMRx8Aks1zMIRHXMGRJ08VwYZIwBCpak08d2OkMuLr-R0fxWJHT8dCv_J3-HRni_8YIQ6TAqUybwZqSvVa | pt_BR |
dc.creator | Fernal Filho, Modesto | - |
dc.creator.Lattes | https://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K2543689A8&tokenCaptchar=03AFcWeA5sJzcc8ducmHWubwxj1pH0u9W3pChPp79dZtW5jU7hMNW4_F63-1ZrQLKayqQsNaWOb9lbDubip9-sPigftcGlBMVtBZVw6bmAavnQBQ-3r0MXecT-9LFZVZi19RCnjX6F8g_Adf__ehWAQT3NyQ7xnFThq81uyVbfeIIfZGW19n7hUwHvbf0Xx-veBqLDTUa5aHQMBeR73Ukig3iQm2oHZBNjWxrH7e5Od6mOB1aGZ_58gj8p0SJ-a8_3GbP_rSBgd2NFbuuRrkPuoZ8MkFEW0_6-ZvVkqhuiSaaAUEnJsWZKVC_C55plIg8v1Rxv77hKFpnNMzNlU6OrOPncaJoe3wRefZTQAsOwP5e5bY0fAGqG2kr3HGZWenoI9o47KOsiTAVD-cCCIfGsqqqtHh6w1XevfTJUPMMYBmrLMj6V9Ilhj1Uk6LuDiI3N93f1zR5fJA5UeO-wJC67VyXIlml1r8kyb-g8xl7Cr6HCDH2ChwJLHVJUM_NcYg4G3NWc-oeK1l54RDtGH7isZMgp8otfxsnVa2EaE14iqGKCYDpkpAz2JXlYSWljb4INMR1SUjy_sQ4nMyjlXVBmBYtZ9_zUcwo9tP5_Rksh399LtooENsw0jPoOaYb8_QO7drdmpCGNWFQKIMp2hokLnFPSFSI2oATI8v6ysr8M6Zu0lh_Mgn4bYU124ilPl62FMM-VGfREubye | pt_BR |
dc.date.accessioned | 2024-03-27T16:01:15Z | - |
dc.date.available | 2024-03-27 | - |
dc.date.available | 2024-03-27T16:01:15Z | - |
dc.date.issued | 2023-07-12 | - |
dc.identifier.citation | FERNAL FILHO, Modesto. Influência da higroscopia na estabilidade dimensional do papel cartão. 2023. Dissertação (Mestrado em Engenharia e Ciência de Materiais) - Universidade Estadual de Ponta Grossa, Ponta Grossa, 2023. | pt_BR |
dc.identifier.uri | http://tede2.uepg.br/jspui/handle/prefix/4164 | - |
dc.description.abstract | The paper is manufactured with cellulose fibers, which are deposited on a fabric, having a preferential orientation. Board paper is typically formed by multiple layers, making this orientation even more complex. Different orientations can generate residual stresses, causing the material to lose its flatness. Making everything more complicated, cellulose fibers are hygroscopic, and their final equilibrium moisture content depends on the composition of each fiber type in question. As they absorb or lose moisture, the size of the fibers is modified, and therefore the resulting residual stresses change. The aim of this study is to analyze the effects of moisture on the different layers of paper and its effect on the flatness of the paper. To achieve this, a dimensional study was conducted after delamination of the layers, enabling the evaluation of each layer at different equilibrium moisture contents. A significantly different hygroscopic behavior was found between the top layer and the base layer, with the top layer being less hydrophilic than the base layer. There is also greater dimensional stability in coated paper compared to uncoated paper, which contributes to the dimensional stability of the final product. | pt_BR |
dc.description.resumo | O papel é fabricado com fibras celulósicas, as quais são depositadas em uma tela, tendo uma orientação preferencial. O papel cartão é normalmente formado por mais de uma camada, o que torna essa orientação ainda mais complexa. Diferentes orientações podem gerar tensões residuais, o que leva o material a perder sua planicidade. Como complicador as fibras celulósicas são higroscópicas, e sua umidade final de equilíbrio depende da constituição de cada tipo de fibra em questão. Ao absorver ou perder umidade, o tamanho das fibras é modificado e, portanto, as tensões residuais resultantes mudam. O objetivo desse estudo é analisar os efeitos da umidade nas diferentes camadas do papel, e seu efeito na planicidade do cartão. Para isso, um estudo do dimensional, após delaminação das camadas, possibilitou a avaliação de cada camada em diferentes umidades de equilíbrio foram executados. Foi encontrado um comportamento higroscópico muito diferente entre a camada cobertura e a camada base, sendo a camada cobertura menos hidrofílica que a camada base. Também há uma maior estabilidade dimensional no papel revestido em comparação com o papel não revestido, o que contribui para a estabilidade dimensional do produto final. | pt_BR |
dc.description.provenance | Submitted by Angela Maria de Oliveira (amolivei@uepg.br) on 2024-03-27T16:01:15Z No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) Modesto Fernal Filho.pdf: 1796119 bytes, checksum: c4054293ab6d9effd225bc406766490f (MD5) | en |
dc.description.provenance | Made available in DSpace on 2024-03-27T16:01:15Z (GMT). No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) Modesto Fernal Filho.pdf: 1796119 bytes, checksum: c4054293ab6d9effd225bc406766490f (MD5) Previous issue date: 2023-07-12 | en |
dc.language | por | pt_BR |
dc.publisher | Universidade Estadual de Ponta Grossa | pt_BR |
dc.publisher.country | Brasil | pt_BR |
dc.publisher.department | Departamento de Engenharia de Materiais | pt_BR |
dc.publisher.program | Programa de Pós-Graduação em Engenharia e Ciências de Materiais | pt_BR |
dc.publisher.initials | UEPG | pt_BR |
dc.rights | Acesso Aberto | pt_BR |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Brazil | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/br/ | * |
dc.subject | Papel cartão | pt_BR |
dc.subject | umidade | pt_BR |
dc.subject | temperatura | pt_BR |
dc.subject | higroscopia | pt_BR |
dc.subject | encanoamento | pt_BR |
dc.subject | estabilidade dimensional | pt_BR |
dc.subject | Board paper | pt_BR |
dc.subject | moisture | pt_BR |
dc.subject | temperature | pt_BR |
dc.subject | hygroscopicity | pt_BR |
dc.subject | curl | pt_BR |
dc.subject | dimensional stability | pt_BR |
dc.subject.cnpq | CNPQ::ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA | pt_BR |
dc.title | Influência da higroscopia na estabilidade dimensional do papel cartão | pt_BR |
dc.type | Dissertação | pt_BR |
Appears in Collections: | Programa de Pós - Graduação em Engenharia e Ciências de Materiais |
Files in This Item:
File | Description | Size | Format | |
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Modesto Fernal Filho.pdf | dissertação completa em pdf | 1.75 MB | Adobe PDF | View/Open |
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