{"id":2733,"date":"2026-02-06T08:17:01","date_gmt":"2026-02-06T08:17:01","guid":{"rendered":"https:\/\/www.seedchemever.com\/?p=2733"},"modified":"2026-02-06T08:17:04","modified_gmt":"2026-02-06T08:17:04","slug":"was-ist-polyvinylalkohol","status":"publish","type":"post","link":"https:\/\/www.seedchemever.com\/de\/what-is-polyvinyl-alcohol\/","title":{"rendered":"Was ist Polyvinylalkohol (PVA)?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Polyvinylalkohol (PVA) ist ein wasserl\u00f6sliches Polymer, das durch die Alkoholyse von Polyvinylacetat hergestellt wird. Es ist geruchlos, geschmacklos und erscheint als wei\u00dfes Pulver oder Granulat.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" data-src=\"https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/what-is-polyvinyl-alcohol.jpg\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"\" class=\"wp-image-2734 lazyload\"\/><noscript><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/what-is-polyvinyl-alcohol.jpg\" alt=\"\" class=\"wp-image-2734\" srcset=\"https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/what-is-polyvinyl-alcohol.jpg 800w, https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/what-is-polyvinyl-alcohol-300x225.jpg 300w, https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/what-is-polyvinyl-alcohol-768x576.jpg 768w, https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/what-is-polyvinyl-alcohol-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Es verf\u00fcgt \u00fcber eine ausgezeichnete Wasserl\u00f6slichkeit, Filmbildung, Haftung und \u00d6lbest\u00e4ndigkeit sowie eine gute Biokompatibilit\u00e4t und wird daher in vielen Bereichen wie Industrie, Bauwesen, Textilindustrie, Alltagschemikalien und Medizin eingesetzt. In industriellen Anwendungen werden die PVA-Modelle in der Regel nach Polymerisations- und Alkoholisierungsgrad klassifiziert. Die Serie mit dem Alkoholysegrad 88% ist bei Raumtemperatur in Wasser l\u00f6slich, w\u00e4hrend die Serie mit dem Alkoholysegrad 99% eine Aufl\u00f6sung in hei\u00dfem Wasser bei hoher Temperatur erfordert. Die verschiedenen Modelle eignen sich f\u00fcr unterschiedliche Szenarien wie Klebstoffe, Textilschlichten, M\u00f6rtelzus\u00e4tze und medizinische Membranmaterialien.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zu den g\u00e4ngigen SEED-PVA-Sorten geh\u00f6ren 0588, 1788, 1799 und 2488. Die Anwendungen unterscheiden sich je nach dem Polymerisationsgrad.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" data-src=\"https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/seed-polyvinyl-alcohol.jpg\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"\" class=\"wp-image-2735 lazyload\"\/><noscript><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/seed-polyvinyl-alcohol.jpg\" alt=\"\" class=\"wp-image-2735\" srcset=\"https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/seed-polyvinyl-alcohol.jpg 800w, https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/seed-polyvinyl-alcohol-300x225.jpg 300w, https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/seed-polyvinyl-alcohol-768x576.jpg 768w, https:\/\/www.seedchemever.com\/wp-content\/uploads\/2026\/02\/seed-polyvinyl-alcohol-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/noscript><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">In mortar and putty, the common grade is 2488. When purchasing PVA, it&#8217;s important to consult with SEED sales personnel about the mesh size. Grades like 160 mesh and 120 mesh are suitable for mortar, putty, applying mortar, roughening, and even making adhesives. These higher mesh grades are more expensive.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Im Allgemeinen wird eine Maschenweite von 80 gew\u00e4hlt.<\/p>","protected":false},"excerpt":{"rendered":"<p>Polyvinyl alcohol (PVA) is a water-soluble polymer, which is prepared by the alcoholysis of polyvinyl acetate. It is odorless, tasteless, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2734,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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":""}},"_themeisle_gutenberg_block_has_review":false,"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[1],"tags":[],"class_list":["post-2733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is polyvinyl alcohol (PVA)? - SEED<\/title>\n<meta name=\"description\" content=\"Polyvinyl alcohol (PVA) is a water-soluble polymer obtained from the alcoholysis of polyvinyl acetate. 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