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[{"key": "dc.contributor.advisor", "value": "Al\u00e9n, Raimo", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Pietarinen, Suvi", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Uski, Juha", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2017-11-15T11:31:57Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2017-11-15T11:31:57Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2017", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1794024", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/55886", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Fenoliformaldehydihartsia valmistetaan fenolista ja formaldehydist\u00e4, joka toimii ristisilloitusagenttina. Katalyyttin\u00e4 k\u00e4ytet\u00e4\u00e4n natriumhydroksidia. Formaldehydi liittyy fenolin renkaaseen hydroksyyliryhm\u00e4n para- tai orto-asemiin additioreaktiolla alkalisissa olosuhteissa. Fenolin alkalointi saa aikaa renkaaseen karbanioneja, joihin formaldehydin elektrofiilinen hiiliatomi voi liitty\u00e4. Reaktio tunnetaan Lederer-Manasse-reaktiona.\r\nLigniini on amorfinen biopolymeeri, jota saadaan esimerkiksi sulfaattiprosessin sivutuotteena. Rakenteellisesti ligniinist\u00e4 voidaan erottaa kolme fenyylipropaaniyksikk\u00f6\u00e4, jotka ovat p-kumaryylialkoholi, koniferyylialkoholi ja sinapyylialkoholi.\r\nLigniinill\u00e4 voidaan korvata fenolin osuutta hartseissa. Ligniinin fenolisen renkaan C5-asemaan saadaan p\u00e4\u00e4reaktion mukaisesti formaldehydiadditio alkalisisissa olosuhteissa. Toinen reaktiomekanismi on formaldehydiadditio ligniinin sivuketjun \u03b2-asemaan Tollen-reaktion mukaisesti.\r\nPro gradu tarkastelee ligniinilis\u00e4yksen vaikutuksia fenoliformaldehydihartseihin. Erikoisty\u00f6ss\u00e4 tutkitaan ja selvitet\u00e4\u00e4n ligniinilis\u00e4yksen vaikutuksia koivuvanerin fenoliformaldehydihartsi-liimauksessa.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Juha Uski (jutauski) on 2017-11-15 11:31:56.533679. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2017-11-15T11:31:57Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201711154259.pdf: 1674030 bytes, checksum: 59368ae4b5cfff2a5b1f250a62f80c30 (MD5)\r\nlicense.html: 4819 bytes, checksum: e312ff3d109b3e12774e8c6745468f2f (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2017-11-15T11:31:57Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201711154259.pdf: 1674030 bytes, checksum: 59368ae4b5cfff2a5b1f250a62f80c30 (MD5)\r\nlicense.html: 4819 bytes, checksum: e312ff3d109b3e12774e8c6745468f2f (MD5)\r\n Previous issue date: 2017", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (59 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "ligniini-fenoliformaldehydihartsi", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "sulfaattiligniini", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "liimojen sitominen", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "liimausvirheet", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Ligniinin osuuden vaikutus ligniini-fenoliformaldehydihartsien kemiaan", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201711154259", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": 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"value": "fenolit", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "formaldehydi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "liimat", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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