{"id":777,"date":"2024-02-04T13:08:01","date_gmt":"2024-02-04T05:08:01","guid":{"rendered":"https:\/\/www.joyforce.com\/?p=777"},"modified":"2024-02-05T13:48:21","modified_gmt":"2024-02-05T05:48:21","slug":"the-origin-and-development-of-pva","status":"publish","type":"post","link":"https:\/\/www.joyforce.com\/pt\/blogs\/the-origin-and-development-of-pva.html","title":{"rendered":"A origem e o desenvolvimento do PVA"},"content":{"rendered":"<p>O \u00e1lcool polivin\u00edlico foi desenvolvido pela primeira vez por qu\u00edmicos alem\u00e3es\u00a0<strong>W.0. Herrmann<\/strong>\u00a0e\u00a0<strong>W.W. Hachnel<\/strong>\u00a0em 1924, porque pode realizar rea\u00e7\u00f5es qu\u00edmicas t\u00edpicas de poliol e passar. O tratamento insol\u00favel o torna desnaturado e tem diferentes efeitos funcionais, resultando em uma s\u00e9rie de materiais de s\u00edntese amplamente utilizados na produ\u00e7\u00e3o industrial e agr\u00edcola e em aplica\u00e7\u00f5es m\u00e9dicas. \u00c1lcool polivin\u00edlico em 1926. Atualmente, a produ\u00e7\u00e3o industrial est\u00e1 em andamento, e o produto alcan\u00e7ou a industrializa\u00e7\u00e3o em larga escala na d\u00e9cada de 1950. A rota do processo de produ\u00e7\u00e3o do \u00e1lcool polivin\u00edlico \u00e9 dividida em dois tipos, de acordo com as mat\u00e9rias-primas: m\u00e9todo do etileno e m\u00e9todo do acetileno.<\/p>\n<p>&nbsp;<\/p>\n<p>Atualmente, uma variedade de novos processos, novas tecnologias, novos materiais e novos equipamentos est\u00e3o surgindo em um fluxo intermin\u00e1vel, como novos catalisadores e seus transportadores, nova tecnologia de bandeja, altera\u00e7\u00e3o da estrutura interna do reator, altera\u00e7\u00e3o das condi\u00e7\u00f5es e m\u00e9todos operacionais e utiliza\u00e7\u00e3o abrangente dos tr\u00eas res\u00edduos. O uso razo\u00e1vel dessas novas tecnologias pode produzir benef\u00edcios econ\u00f4micos \u00f3bvios.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-770\" src=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/3.png\" alt=\"\" width=\"380\" height=\"325\" srcset=\"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/3.png 380w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/3-300x257.png 300w, https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/3-14x12.png 14w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>O \u00e1lcool polivin\u00edlico foi desenvolvido pela primeira vez pelos qu\u00edmicos alem\u00e3es W.0. Herrmann e W.W. Hachnel em 1924, porque ele pode realizar rea\u00e7\u00f5es qu\u00edmicas t\u00edpicas de poliol e passar. O tratamento insol\u00favel o torna desnaturado e tem diferentes efeitos funcionais, resultando em uma s\u00e9rie de materiais de s\u00edntese amplamente utilizados na produ\u00e7\u00e3o industrial e agr\u00edcola e em aplica\u00e7\u00f5es m\u00e9dicas. \u00c1lcool polivin\u00edlico em 1926. A produ\u00e7\u00e3o industrial \u00e9 [...]<\/p>","protected":false},"author":1,"featured_media":770,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The origin and development of PVA - JOYFORCE INDUSTRIAL<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.joyforce.com\/pt\/blogs\/the-origin-and-development-of-pva.html\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The origin and development of PVA - JOYFORCE INDUSTRIAL\" \/>\n<meta property=\"og:description\" content=\"Polyvinyl alcohol was first developed by German chemists\u00a0W.0. 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