{"id":6804,"date":"2025-08-08T07:06:40","date_gmt":"2025-08-08T07:06:40","guid":{"rendered":"https:\/\/saphydrogels.com\/?p=6804"},"modified":"2025-08-09T07:06:24","modified_gmt":"2025-08-09T07:06:24","slug":"polymer-classifications-types-structures-and-applications","status":"publish","type":"post","link":"https:\/\/saphydrogels.com\/is\/polymer-classifications-types-structures-and-applications\/","title":{"rendered":"Flokkun p\u00f3l\u00fdmera: ger\u00f0ir, uppbyggingar og notkun"},"content":{"rendered":"

A\u00f0 skilja flokkun p\u00f3l\u00fdmera: ger\u00f0ir, uppbyggingar og notkun<\/h1>\n

P\u00f3l\u00fdmer eru efnasamb\u00f6nd me\u00f0 h\u00e1 sameinda\u00feyngd sem samanstanda af endurteknum byggingareiningum (m\u00f3n\u00f3merum) sem eru kovalent tengd saman \u00ed langa ke\u00f0ju e\u00f0a net. \u00deessi fj\u00f6lh\u00e6fu efni gegna lykilhlutverki \u00ed n\u00fat\u00edma l\u00edfi, allt fr\u00e1 umb\u00fa\u00f0um og text\u00edl til rafeinda, geimfer\u00f0ar og l\u00edft\u00e6kniforrita. Til a\u00f0 skilja virkni \u00feeirra og notkunarkosti til fulls er nau\u00f0synlegt a\u00f0 flokka p\u00f3l\u00fdmera eftir uppruna \u00feeirra, p\u00f3l\u00fdmerunarh\u00e6tti, sameindabyggingu, afk\u00f6stum og einingasamsetningu.<\/p>\n

H\u00e9r a\u00f0 ne\u00f0an er yfirgripsmiki\u00f0 yfirlit yfir helstu kerfi til flokkunar p\u00f3l\u00fdmera.<\/p>\n

\n

1. Flokkun eftir uppruna<\/h2>\n

P\u00f3l\u00fdmer m\u00e1 flokka v\u00edtt \u00fat fr\u00e1 uppruna \u00feeirra\u2014n\u00e1tt\u00faruleg, tilb\u00fain e\u00f0a h\u00e1lf-tilb\u00fain:<\/p>\n

\n
\n\n\n\n\n\n\n\n
Ger\u00f0<\/strong><\/th>\nL\u00fdsing<\/strong><\/th>\nD\u00e6mi<\/strong><\/th>\n<\/tr>\n<\/thead>\n
N\u00e1tt\u00farulegar fj\u00f6lli\u00f0ar<\/strong><\/td>\nEru n\u00e1tt\u00farulega til sta\u00f0ar \u00ed lifandi l\u00edfverum<\/td>\nsellul\u00f3si, pr\u00f3tein, DNA, n\u00e1tt\u00farulegt g\u00famm\u00ed<\/td>\n<\/tr>\n
Gerv\u00ed\u00f3l\u00edn<\/strong><\/td>\nMannunninn me\u00f0 efnafr\u00e6\u00f0ilegri samsetningu<\/td>\nPol\u00fdet\u00fdlen (PE), p\u00f3l\u00fdst\u00fdren (PS), nyl\u00f3n, ABS<\/td>\n<\/tr>\n
H\u00e1lfgerviefna fj\u00f6lli\u00f0ar<\/strong><\/td>\nEfnafr\u00e6\u00f0ilega breyttir n\u00e1tt\u00farulegir fj\u00f6lsykrur<\/td>\nSellul\u00f3saacetat, n\u00edtr\u00f3sellul\u00f3sa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n

2. Flokkun eftir p\u00f3l\u00fdmerunarh\u00e6tti<\/h2>\n

Ger\u00f0 samsetningarinnar hefur veruleg \u00e1hrif \u00e1 eiginleika og uppbyggingu p\u00f3l\u00fdmera. P\u00f3l\u00fdmer eru almennt flokku\u00f0 sem:<\/p>\n

\n
\n\n\n\n\n\n\n
Ger\u00f0<\/strong><\/th>\nL\u00fdsing<\/strong><\/th>\nD\u00e6mi<\/strong><\/th>\n<\/tr>\n<\/thead>\n
B\u00e6tiefnap\u00f3l\u00fdmer<\/strong><\/td>\nMyndast me\u00f0 vi\u00f0b\u00f3tarhvarfum (ke\u00f0juv\u00f6xt) \u00e1n aukavara<\/td>\nPol\u00fdet\u00fdlen, p\u00f3l\u00fdpr\u00f3p\u00fdlen, p\u00f3l\u00fdst\u00fdren<\/td>\n<\/tr>\n
\u00de\u00e9ttnunarp\u00f3l\u00fdmerar<\/strong><\/td>\nMyndast me\u00f0 \u00fe\u00e9ttingar (skrefv\u00f6xtar) hvarfefnum og losa litlar sameindir<\/td>\nNylon, p\u00f3l\u00fdesterar, fen\u00f3l-formaldeh\u00fd\u00f0har\u00f0plast<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n

3. Flokkun eftir sameindabyggingu<\/h2>\n

Uppbygging p\u00f3l\u00fdmerke\u00f0ja hefur \u00e1hrif \u00e1 v\u00e9lr\u00e6na og varmalei\u00f0niseiginleika. Algengar uppbyggingarflokkanir eru:<\/p>\n

\n
\n\n\n\n\n\n\n\n
Ger\u00f0<\/strong><\/th>\nL\u00fdsing<\/strong><\/th>\nD\u00e6mi<\/strong><\/th>\n<\/tr>\n<\/thead>\n
L\u00ednulegar fj\u00f6lli\u00f0ar<\/strong><\/td>\nL\u00ednulegar fj\u00f6lmerkar efnasamb\u00f6nd me\u00f0 l\u00e1gmarks greiningu e\u00f0a engin greinar.<\/td>\nPE, PS, PVC<\/td>\n<\/tr>\n
Greinalaga p\u00f3l\u00fdmer<\/strong><\/td>\nHli\u00f0arke\u00f0jur e\u00f0a greinar teygja sig \u00fat fr\u00e1 a\u00f0al pol\u00fdmerhryggnum.<\/td>\nL\u00e1g\u00fe\u00e9ttni p\u00f3l\u00fdet\u00fdlen (LDPE)<\/td>\n<\/tr>\n
\u00devertengdir p\u00f3l\u00fdmerar<\/strong><\/td>\nKovalt bundnar netuppbyggingar me\u00f0 \u00fer\u00edv\u00ed\u00f0ri tengingu<\/td>\n\u00devermhar\u00f0nandi har\u00f0vi\u00f0, eins og epox\u00fd og fen\u00f3lhar\u00f0vi\u00f0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n

4. Flokkun eftir frammist\u00f6\u00f0u<\/h2>\n

P\u00f3l\u00fdmerar eru einnig flokka\u00f0ir eftir virkni \u00feeirra og algengum notkunarsvi\u00f0um:<\/p>\n

\n
\n\n\n\n\n\n\n\n\n
Ger\u00f0<\/strong><\/th>\nL\u00fdsing<\/strong><\/th>\nD\u00e6mi<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Plast<\/strong><\/td>\nHitabrunaher\u00f0anleg efni e\u00f0a hitahertanleg efni sem h\u00e6gt er a\u00f0 m\u00f3ta vi\u00f0 hita<\/td>\nPVC, PP, PET, PE<\/td>\n<\/tr>\n
Elt\u00f3mar<\/strong><\/td>\nF\u00e6r um mikla teygjanlega afl\u00f6gun og endurheimt<\/td>\nN\u00e1tt\u00farulegt g\u00famm\u00ed, s\u00edlik\u00f3n, styrene-butad\u00eden-g\u00famm\u00ed (SBR)<\/td>\n<\/tr>\n
Trefjar<\/strong><\/td>\nH\u00e1r togstyrkur og teygja fyrir text\u00edlnotkun<\/td>\nP\u00f3l\u00fdester (PET), nyl\u00f3n, akr\u00fdll, aram\u00ed\u00f0<\/td>\n<\/tr>\n
Har\u00f0vi\u00f0ar<\/strong><\/td>\nNota\u00f0 \u00ed h\u00fa\u00f0un, l\u00edm og samsettum efnum<\/td>\nEpox\u00fdhar\u00f0nefi, fen\u00f3lhar\u00f0nefi, \u00f3metta\u00f0ur p\u00f3l\u00fdester<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n

5. Flokkun eftir einingasamsetningu<\/h2>\n

Fer eftir tegundum mon\u00f3mera sem koma vi\u00f0 s\u00f6gu, eru p\u00f3l\u00fdmer enn frekar skipt \u00ed:<\/p>\n

\n
\n\n\n\n\n\n\n
Ger\u00f0<\/strong><\/th>\nL\u00fdsing<\/strong><\/th>\nD\u00e6mi<\/strong><\/th>\n<\/tr>\n<\/thead>\n
H\u00f3m\u00f3pol\u00fdmerar<\/strong><\/td>\nSamansett \u00far endurteknum einingum sem eru afleiddar \u00far einum mon\u00f3meri<\/td>\nPol\u00fdet\u00fdlen, p\u00f3l\u00fdpr\u00f3p\u00fdlen, p\u00f3l\u00fdst\u00fdren<\/td>\n<\/tr>\n
K\u00f3pol\u00fdmer<\/strong><\/td>\nSamanstanda \u00far tveimur e\u00f0a fleiri mismunandi mon\u00f3m\u00e9rum<\/td>\nABS (akrylnitr\u00edl-b\u00fatad\u00eden-st\u00fdren), EVA, SBS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n

\u00c1lyktun<\/h2>\n

A\u00f0 skilja flokkun p\u00f3l\u00fdmera er nau\u00f0synlegt vi\u00f0 val \u00e1 efnum \u00ed \u00fdmsum verkfr\u00e6\u00f0ilegum, i\u00f0na\u00f0ar- og v\u00edsindalegum notkunarsvi\u00f0um. Hver flokkur varpar lj\u00f3si \u00e1 mismunandi \u00fe\u00e6tti \u00ed heg\u00f0un og frammist\u00f6\u00f0u p\u00f3l\u00fdmera, sem gerir kleift a\u00f0 hanna efni sem uppfylla tilteknar virkniskr\u00f6fur.<\/p>\n

Hvort sem \u00fe\u00fa ert a\u00f0 \u00fer\u00f3a samsett efni me\u00f0 h\u00e1frammist\u00f6\u00f0u, l\u00edfbrj\u00f3tanleg plast e\u00f0a sveigjanlega rafeindat\u00e6kni, er val \u00e1 r\u00e9ttri tegund p\u00f3l\u00fdmers \u2013 byggt \u00e1 uppruna hans, framlei\u00f0slulei\u00f0, uppbyggingu og frammist\u00f6\u00f0u \u2013 lykilatri\u00f0i til a\u00f0 n\u00e1 sem bestum \u00e1rangri.<\/p>","protected":false},"excerpt":{"rendered":"

Understanding Polymer Classifications: Types, Structures, and Applications Polymers are high molecular weight compounds composed of repeating structural units (monomers) covalently […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[550],"class_list":["post-6804","post","type-post","status-publish","format-standard","hentry","category-blog","tag-polymer"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/posts\/6804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/comments?post=6804"}],"version-history":[{"count":1,"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/posts\/6804\/revisions"}],"predecessor-version":[{"id":6805,"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/posts\/6804\/revisions\/6805"}],"wp:attachment":[{"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/media?parent=6804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/categories?post=6804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saphydrogels.com\/is\/wp-json\/wp\/v2\/tags?post=6804"}],"curies":[{"name":"vp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}