1.0Changhong Chemicalhttps://changhongchemical.com/frChanghong Chemicalhttps://changhongchemical.com/fr/author/infolongchangchemical-com/rich600338<blockquote class="wp-embedded-content" data-secret="CG7HMiboTh"><a href="https://changhongchemical.com/fr/yellowing-of-uv-cured-coatings/">Jaunissement des vernis à séchage UV ?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://changhongchemical.com/fr/yellowing-of-uv-cured-coatings/embed/#?secret=CG7HMiboTh" width="600" height="338" title="« Yellowing of UV-Cured Coatings? » — Changhong Chemical" data-secret="CG7HMiboTh" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); /* ]]> */ </script>Hi everyone, I'm Starry. I've been working in the chemical materials industry for over ten years, spending my days with UV-cured coatings, resins, and photoinitiators. The beakers in the lab and the coaters on the production line are like old friends to me.Today's article isn't about abstract theories. It's about solving your most pressing real-world problem—the yellowing of UV-cured coatings. Whether you're a formulation chemist, production technician, or procurement/QC specialist, reading this will help you understand the underlying chemical logic of yellowing, avoid 90% of common pitfalls, and directly apply proven solutions to keep your products crystal clear and durable.https://changhongchemical.com/wp-content/uploads/2026/01/Photoinitiator-3.webp