{"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\/zh\/blogs\/the-origin-and-development-of-pva.html","title":{"rendered":"PVA \u7684\u8d77\u6e90\u548c\u53d1\u5c55"},"content":{"rendered":"<p>Polyvinyl alcohol was first developed by German chemists\u00a0<strong>W.0. Herrmann<\/strong>\u00a0and\u00a0<strong>W.W. Hachnel<\/strong>\u00a0in 1924, because it can carry out typical polyol chemical reactions and pass.\u00a0Insoluble treatment makes it denatured and has different functional effects, resulting in a series of synthesisMaterials are widely used in industrial and agricultural production and medical applications. Polyvinyl alcohol in 1926. Industrial production is now, and the product achieved large-scale industrialization in the 1950s. The process route for producing polyvinyl alcohol is divided into two types according to raw materials, ethylene method and acetylene method.<\/p>\n<p>&nbsp;<\/p>\n<p>At present, a variety of new processes, new technologies, new materials, and new equipment are emerging in an endless stream, such as new catalysts and their carriers, new tray technology, changing the internal structure of the reactor, changing operating conditions and methods, and comprehensive utilization of the three wastes. Reasonable use of these new technologies can produce obvious economic benefits.<\/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>\u805a\u4e59\u70ef\u9187\u7531\u5fb7\u56fd\u5316\u5b66\u5bb6 W.0.Herrmann \u548c W.W. Hachnel \u4e8e 1924 \u5e74\u9996\u6b21\u7814\u5236\u6210\u529f\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u8fdb\u884c\u5178\u578b\u7684\u591a\u5143\u9187\u5316\u5b66\u53cd\u5e94\u5e76\u901a\u8fc7\u3002\u4e0d\u6eb6\u6027\u5904\u7406\u4f7f\u5176\u53d8\u6027\u5e76\u5177\u6709\u4e0d\u540c\u7684\u529f\u80fd\u6548\u5e94\uff0c\u4ece\u800c\u4ea7\u751f\u4e86\u4e00\u7cfb\u5217\u5408\u6210\u6750\u6599\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u519c\u4e1a\u751f\u4ea7\u548c\u533b\u7597\u9886\u57df\u3002\u805a\u4e59\u70ef\u9187\u8bde\u751f\u4e8e 1926 \u5e74\u3002\u5de5\u4e1a\u751f\u4ea7\u662f [...]<\/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\/zh\/blogs\/the-origin-and-development-of-pva.html\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\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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