{"version":"1.0","provider_name":"JOYFORCE INDUSTRIAL","provider_url":"https:\/\/www.joyforce.com\/ja","author_name":"wordpress51","author_url":"https:\/\/www.joyforce.com\/ja\/author\/wordpress51","title":"The origin and development of PVA - JOYFORCE INDUSTRIAL","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"AJOaYugQyQ\"><a href=\"https:\/\/www.joyforce.com\/ja\/blogs\/the-origin-and-development-of-pva.html\">The origin and development of PVA<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.joyforce.com\/ja\/blogs\/the-origin-and-development-of-pva.html\/embed#?secret=AJOaYugQyQ\" width=\"600\" height=\"338\" title=\"&#8220;The origin and development of PVA&#8221; &#8212; JOYFORCE INDUSTRIAL\" data-secret=\"AJOaYugQyQ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>","thumbnail_url":"https:\/\/www.joyforce.com\/wp-content\/uploads\/2024\/02\/3.png","thumbnail_width":380,"thumbnail_height":325,"description":"Polyvinyl alcohol was first developed by German chemists\u00a0W.0. Herrmann\u00a0and\u00a0W.W. Hachnel\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 [&hellip;]"}