{"id":3483,"date":"2021-01-18T03:24:12","date_gmt":"2021-01-18T03:24:12","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=3483"},"modified":"2026-04-28T10:41:48","modified_gmt":"2026-04-28T10:41:48","slug":"properties-and-synthetic-routes-of-allantoin","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/zh\/properties-and-synthetic-routes-of-allantoin\/","title":{"rendered":"\u5c3f\u56ca\u7d20\u53ca\u5176\u884d\u751f\u7269\u7684\u6027\u8d28\u548c\u5408\u6210\u8def\u7ebf"},"content":{"rendered":"<h4 class=\"wp-block-heading\">\u7531\u4e8e\u5176\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5bf9 <strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/allantoin-cas-97-59-6\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">\u5c3f\u56ca\u7d20<\/span><\/a><\/strong> \u9010\u5e74\u589e\u52a0\u3002\u5c3f\u56ca\u7d20\u7684\u5316\u5b66\u5408\u6210\u65b9\u6cd5\u4e8e 20 \u4e16\u7eaa 40 \u5e74\u4ee3\u5728\u56fd\u5916\u51fa\u73b0\u3002\u4f46\u76f4\u5230 20 \u4e16\u7eaa 70 \u5e74\u4ee3\u672b 80 \u5e74\u4ee3\u521d\uff0c\u65e5\u672c\u548c\u897f\u5fb7\u624d\u5c06\u5176\u6295\u5165\u5de5\u4e1a\u751f\u4ea7\u3002\u56fd\u5185\u5c3f\u56ca\u7d20\u5408\u6210\u7684\u53d1\u5c55\u8d77\u6b65\u8f83\u665a\uff0c\u7814\u53d1\u59cb\u4e8e 20 \u4e16\u7eaa 70 \u5e74\u4ee3\u672b\u3002\u76ee\u524d\uff0c\u56fd\u5185\u53ea\u6709\u5c11\u6570\u51e0\u5bb6\u4f01\u4e1a\u5b9e\u73b0\u4e86\u4e2d\u8bd5\u6216\u6279\u91cf\u751f\u4ea7\u3002\u7531\u4e8e\u751f\u4ea7\u5382\u5bb6\u5c11\uff0c\u5e02\u573a\u6781\u4e3a\u7d27\u4fcf\u3002\u7531\u4e8e\u5c3f\u56ca\u7d20\u7279\u6b8a\u7684\u7269\u7406\u548c\u5316\u5b66\u6027\u8d28\uff0c\u5c3f\u56ca\u7d20\u884d\u751f\u7269\u79cd\u7c7b\u7e41\u591a\uff0c\u7528\u9014\u5e7f\u6cdb\u3002\u76f4\u5230\u4eca\u5929\uff0c\u5c3f\u56ca\u7d20\u53ca\u5176\u884d\u751f\u7269\u4ecd\u5728\u7ee7\u7eed\u5f00\u53d1\u3002<\/h4>\n\n<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> A practical additive decision starts with the exact defect: foam, poor wetting, craters, haze, or instability. The best product is usually the one that solves that defect with the safest compatibility window.<\/p>\n<!-- lc-qa-end -->\n\n\n\n\n\n\n<h4 class=\"wp-block-heading\"><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/allantoin-cas-97-59-6\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">Allantoin<\/span><\/a><\/strong>\u5176\u5316\u5b66\u540d\u79f0\u4e3a 1-\u8132-\u95f4\u4e8c\u6c2e\u70ef-[2,4]\uff1b\u4e59\u919b\u56db\u6c2e\u6742\u73af\u620a\u4e8c\u70ef\uff1b\uff082,5-\u4e8c\u6c27\u4ee3\u4e8c\u82ef-4-\u95f4\u4e8c\u6c2e\u620a\u57fa\uff09\u8132\uff1b5-\u8132\u6d77\u56e0\u7b49\u3002\u5c5e\u4e8e\u54aa\u5511\u6742\u73af\u5316\u5408\u7269\uff0c\u5206\u5b50\u5f0f\u4e3a C<sub>4<\/sub>H<sub>6<\/sub>N<sub>4<\/sub>O<sub>3<\/sub>\u5176\u5206\u5b50\u91cf\u4e3a 158.12 \u514b\/\u6469\u5c14\u3002\u5c3f\u56ca\u7d20\u662f\u4e00\u79cd\u6676\u4f53\u6216\u7ed3\u6676\u7c89\u672b\uff0c\u989c\u8272\u4ecb\u4e8e\u65e0\u8272\u548c\u767d\u8272\u4e4b\u95f4\uff0c\u65e0\u81ed\u65e0\u5473\u3002\u5c3f\u56ca\u7d20\u7684\u7194\u70b9\u8303\u56f4\u4e3a 220 ~ 238 \u2103\u3002\u5c3f\u56ca\u7d20\u4e0d\u6eb6\u4e8e\u6c34\u3001\u4e59\u9187\u3001\u4e59\u919a\u548c\u6c2f\u4eff\uff0c\u6eb6\u4e8e\u70ed\u6c34\u3001\u7a00\u4e59\u9187\u548c\u4e19\u4e09\u9187\u3002\u9971\u548c\u6c34\u6eb6\u6db2\uff080.6%\uff09\u5448\u5f31\u9178\u6027\uff0cpH =.\u5728pH=4\uff5e9\u7684\u6c34\u6eb6\u6db2\u4e2d\u4fdd\u6301\u7a33\u5b9a\uff0c\u5728\u975e\u6c34\u6eb6\u5242\u548c\u5e72\u71e5\u7a7a\u6c14\u4e2d\u7a33\u5b9a\uff0c\u5373\u4f7f\u572880\uff5e90\u2103\u4e0b\u52a0\u70ed30 min\u4e5f\u4fdd\u6301\u4e0d\u53d8\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f46\u5b83\u4e0d\u80fd\u8010\u9ad8\u6e29\uff08100\u2103\u4ee5\u4e0a\uff09\u3001\u5f3a\u78b1\u6216\u957f\u65f6\u95f4\u7684\u6cb8\u817e\u548c\u65e5\u6652\u3002\u5c3f\u56ca\u7d20\u5177\u6709\u5f02\u6784\u4f53\uff0c\u5176\u7ed3\u6784\u5f0f\u5982\u4e0b\uff1a<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"694\" height=\"168\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/1-1.png\" alt=\"\" class=\"wp-image-3484\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/1-1.png 694w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/1-1-300x73.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/1-1-600x145.png 600w\" sizes=\"(max-width: 694px) 100vw, 694px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u9187\u5171\u8f6d\u4f53\u7cfb\u662f\u5f62\u6210\u9178\u6027\u57fa\u56e2\u7684\u539f\u56e0\uff0c\u53ef\u4ee5\u7a33\u5b9a\u5206\u5b50\u3002OH<sup>&#8211;<\/sup>&nbsp;\u53ef\u80fd\u4f1a\u8ba9\u4e00\u4e9b\u4eba\u8ba4\u4e3a\u5c3f\u56ca\u7d20\u662f\u4e00\u79cd\u4e8c\u5143\u9178\u5316\u5408\u7269\u3002\u7136\u800c\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u78b3\uff084\uff09\u4e0a\u7684\u6c22\u7684\u6d3b\u6027\u5f88\u4f4e\uff0c\u89e3\u79bb\u5e38\u6570\u4e5f\u5f88\u5f31\u3002\u78b3 (2) \u4f4d\u7f6e\u4e0a\u7684\u9178\u6027\u8f83\u5f3a\uff0c\u89e3\u79bb\u5e38\u6570\u4e3a 1.17 \u00d7 10<sup>-9<\/sup>.\u56e0\u6b64\uff0c\u53ea\u80fd\u5f62\u6210\u5355\u4e00\u7cfb\u5217\u7684\u76d0\uff08\u9178\u6027\u76d0\u6216\u78b1\u6027\u76d0\uff09\u3002\u56e0\u6b64\uff0c\u5c3f\u56ca\u7d20\u662f\u4e00\u79cd\u5355\u78b1\u57fa\u9178\u78b1\u4e24\u6027\u5316\u5408\u7269\u3002\u9187\u548c\u916e\u7684\u5f62\u5f0f\u90fd\u53ef\u4ee5\u5b58\u5728\u3002\u4f5c\u4e3a\u4e24\u6027\u5316\u5408\u7269\uff0c\u5c3f\u56ca\u7d20\u4e0d\u4ec5\u662f\u78b1\u6027\u5316\u5408\u7269\uff0c\u4e5f\u662f\u5f31\u9178\uff0c\u8fd8\u662f\u9178\u76d0\u5316\u5408\u7269\u7684\u5f31\u78b1\u3002\u56e0\u6b64\uff0c\u5c3f\u56ca\u7d20\u53ef\u4e0e\u8bb8\u591a\u7269\u8d28\u5f62\u6210\u91d1\u5c5e\u76d0\u548c\u52a0\u5408\u7269\u3002\u8fd9\u4e9b\u91d1\u5c5e\u76d0\u548c\u52a0\u5408\u7269\u4e0d\u4ec5\u80fd\u4fdd\u6301\u5c3f\u56ca\u7d20\u672c\u8eab\u7684\u7279\u6027\uff0c\u800c\u4e14\u4e0d\u4f1a\u5931\u53bb\u6dfb\u52a0\u7269\u8d28\u7684\u56fa\u6709\u7279\u6027\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ee5\u5c3f\u56ca\u7d20\u94dd\u5316\u5408\u7269\u4e3a\u4f8b\uff0c\u5217\u4e3e\u5b83\u7684\u4e00\u4e9b\u7269\u7406\u548c\u5316\u5b66\u7279\u6027\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u5c3f\u56ca\u7d20\u94dd\u5316\u5408\u7269\u4e3a\u6cbb\u7597\u76ae\u80a4\u75c5\u63d0\u4f9b\u4e86\u591a\u79cd\u6709\u6548\u529f\u80fd\u3002\u56e0\u4e3a\u94dd\u79bb\u5b50\u7684\u8d8b\u540c\u6027\u548c\u5c3f\u56ca\u7d20\u7684\u7406\u60f3\u7279\u6027\u5f97\u5230\u4e86\u5145\u5206\u7ed3\u5408\u3002\u5c3f\u56ca\u7d20\u7684\u5b58\u5728\u6539\u5584\u4e86\u94dd\u76d0\u7684\u6548\u679c\uff0c\u6d88\u9664\u4e86\u5bf9\u4e00\u4e9b\u94dd\u76d0\u8fc7\u654f\u60a3\u8005\u7684\u523a\u6fc0\u3002\u52a8\u7269\u5b9e\u9a8c\u4e5f\u8868\u660e\uff0c\u5c3f\u56ca\u7d20\u94dd\u76d0\u6ca1\u6709\u523a\u6fc0\u6027\u548c\u8fc7\u654f\u6027\u3002\u51e0\u79cd\u5e38\u89c1\u7684\u5f62\u5f0f\u5982\u4e0b\uff1a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">1.\u5c3f\u56ca\u9178\u4e8c\u7f9f\u57fa\u94dd<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5c3f\u56ca\u9178\u4e8c\u7f9f\u57fa\u94dd\u7684\u5206\u5b50\u5f0f\u4e3a Al(OH)<sub>2<\/sub>C<sub>4<\/sub>H<sub>5<\/sub>N<sub>4<\/sub>O<sub>3<\/sub>.\u5b83\u662f\u4e00\u79cd\u767d\u8272\u7c89\u672b\uff0c\u4e0d\u6eb6\u4e8e\u6c34\u548c\u5176\u4ed6\u6eb6\u5242\uff0c\u5982\u4e59\u9187\u3001\u4e59\u919a\u548c\u6c2f\u4eff\u3002\u4e8c\u7f9f\u57fa\u5c3f\u56ca\u9178\u94dd\u7684\u7ec4\u6210\u5982\u4e0b\uff1a\u6c27\u5316\u94dd\uff0822.0 \u00b1 5\uff09%\uff0c\u5c3f\u56ca\u7d20\uff0855.0 \u00b1 5\uff09%\uff0cpH \u503c\uff084% \u60ac\u6d6e\u6db2\uff09\u4e3a 6-5.8\u3002<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u6c2f\u7f9f\u57fa\u5c3f\u56ca\u9178\u94dd \u6b63\u4e19\u70ef\u4e8c\u9187<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5c3f\u56ca\u9178\u4e8c\u7f9f\u57fa\u94dd\u7684\u5206\u5b50\u5f0f\u4e3a 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\"alcloxa\"\uff1a\u6210\u5206\u5982\u4e0b\uff1a\u6c27\u5316\u94dd\uff0828.0 \u00b1 3\uff09%\u3001\u5c3f\u56ca\u7d20\uff0840.0 \u00b1 3\uff09%\u3001\u6c2f\uff089.5 \u00b1 1.5\uff09%\u3001\u6c2e\uff0814.2 \u00b1 1.5\uff09%\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u540c\u65f6\uff0c\u6539\u6027\u6c2f\u94dd\u5c3f\u56ca\u7d20\u7684\u7ec4\u6210\u5982\u4e0b\u6c27\u5316\u94dd\uff0845.61 \u00b1 2.0\uff09%\uff0c\u5c3f\u56ca\u7d20\uff081.25 \u00b1 0.3\uff09%\uff0c\u6c2f\uff0815.60 \u00b1 1.5\uff09\u300210% \u5c3f\u56ca\u7d20\u9178\u94dd\u6c2f\u5316\u7269\u6eb6\u6db2\u7684 pH \u503c\u7ea6\u4e3a 4.3\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u6839\u636e\u6587\u732e\u62a5\u9053\uff0c\u5c3f\u56ca\u7d20\u7684\u4e3b\u8981\u5408\u6210\u65b9\u6cd5\u5982\u4e0b\uff1a<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">1.\u5c3f\u9178\u4e0e\u9ad8\u9530\u9178\u94be\u7684\u53cd\u5e94<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5c3f\u9178\u548c\u9ad8\u9530\u9178\u94be\u5728\u78b1\u6027\u4ecb\u8d28\u4e2d\u6c27\u5316\uff0c\u751f\u6210\u7269\u4e0e\u918b\u9178\u8131\u7fa7\u3002\u6c27\u5316\u5242\u4e5f\u53ef\u4ee5\u662f\u4e8c\u6c27\u5316\u94c5\u3001\u94c1\u6c30\u5316\u94be\u3001\u6c27\u6c14\u3001\u81ed\u6c27\u3001\u4e8c\u6c27\u5316\u9530\u3001\u8fc7\u6c27\u5316\u6c22\u7b49\u3002\u53cd\u5e94\u8fc7\u7a0b\u5982\u4e0b<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u9996\u5148\u662f\u6c27\u5316\u53cd\u5e94\u3002\u5c3f\u9178\u548c\u9ad8\u9530\u9178\u94be\u53d1\u751f\u53cd\u5e94\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"525\" height=\"174\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/2-1.png\" alt=\"\" class=\"wp-image-3485\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/2-1.png 525w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/2-1-300x99.png 300w\" sizes=\"(max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u7136\u540e\u8fdb\u884c\u8131\u7fa7\u5f00\u73af\u53cd\u5e94\uff0c\u5f97\u5230\u6700\u7ec8\u4ea7\u54c1\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"778\" height=\"159\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/3-1.png\" alt=\"\" class=\"wp-image-3486\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/3-1.png 778w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/3-1-300x61.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/3-1-768x157.png 768w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/3-1-600x123.png 600w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u8fd9\u662f\u6700\u65e9\u7684\u5de5\u827a\u8def\u7ebf\uff0c\u7531\u4e8e\u539f\u6599\u77ed\u7f3a\u3001\u4ef7\u683c\u6602\u8d35\u3001\u8bbe\u5907\u4f53\u79ef\u5927\u3001\u6210\u672c\u9ad8\uff0c\u4ec5\u9650\u4e8e\u5c0f\u6279\u91cf\u751f\u4ea7\u3002<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u5c3f\u9178\u9502\u7684\u7535\u89e3\u6c27\u5316<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5c3f\u56ca\u7d20\u662f\u7531\u4e59\u919b\u9178\u548c\u5c3f\u7d20\u5728\u7535\u529b\u4f5c\u7528\u4e0b\u7f29\u5408\u5408\u6210\u7684\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"425\" height=\"133\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/4-1.png\" alt=\"\" class=\"wp-image-3487\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/4-1.png 425w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/12\/4-1-300x94.png 300w\" sizes=\"(max-width: 425px) 100vw, 425px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u7684\u4ea7\u7387\u7565\u9ad8\u4e8e\u5c3f\u9178\u6c27\u5316\u6cd5\uff0c\u4f46\u4e5f\u5b58\u5728\u4e0a\u8ff0\u95ee\u9898\uff0c\u5de5\u4e1a\u5e94\u7528\u8f83\u5c11\u3002<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u8349\u9178\u7684\u7535\u89e3\u6c27\u5316<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u8fd9\u662f\u8fd1\u5e74\u6765\u5f00\u53d1\u7684\u4e00\u79cd\u65b0\u5de5\u827a\uff0c\u8be5\u751f\u4ea7\u7ebf\u5df2\u5728\u4e2d\u56fd\u5efa\u6210\u3002\u539f\u6599\u6613\u5f97\uff0c\u4f46\u8017\u7535\u91cf\u5927\u3002\u6839\u636e\u6587\u732e\u8d44\u6599\uff0c\u8be5\u5de5\u827a\u5c1a\u4e0d\u6210\u719f\uff0c\u6709\u5f85\u6539\u8fdb\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"651\" height=\"199\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/1.png\" alt=\"\" class=\"wp-image-3976\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/1.png 651w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/1-300x92.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/1-600x183.png 600w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4.\u4e59\u4e8c\u919b\u7684\u6c27\u5316<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u7531\u4e8e\u4e59\u4e8c\u919b\u53ef\u901a\u8fc7\u90e8\u5206\u6c27\u5316\u5236\u5907\u4e59\u919b\u9178\uff0c\u4e14\u5de5\u827a\u6761\u4ef6\u6e29\u548c\uff0c\u56e0\u6b64\u8fd9\u79cd\u5408\u6210\u8def\u7ebf\u5728\u5de5\u4e1a\u4e2d\u7ecf\u5e38\u4f7f\u7528\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4f7f\u7528\u785d\u9178\u8fdb\u884c\u6c27\u5316\uff0c\u4f1a\u9020\u6210\u4e25\u91cd\u7684\u73af\u5883\u6c61\u67d3\u3002<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u9996\u5148\uff0c\u4e59\u4e8c\u919b\u90e8\u5206\u6c27\u5316\u5f97\u5230\u4e59\u919b\u9178\u3002<\/h4>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"552\" height=\"60\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/2.png\" alt=\"\" class=\"wp-image-3977\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/2.png 552w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/2-300x33.png 300w\" sizes=\"(max-width: 552px) 100vw, 552px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b83\u6709\u4ee5\u4e0b\u4e24\u4e2a\u526f\u53cd\u5e94\uff0c\u56e0\u6b64\u8fd9\u79cd\u65b9\u6cd5\u5f97\u5230\u4e59\u919b\u9178\u7684\u4ea7\u7387\u7ea6\u4e3a 83%\u3002<\/h4>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"462\" height=\"131\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/3.png\" alt=\"\" class=\"wp-image-3978\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/3.png 462w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/3-300x85.png 300w\" sizes=\"(max-width: 462px) 100vw, 462px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u7136\u540e\uff0c\u5728\u52a0\u70ed\u548c\u9178\u6027\u6761\u4ef6\u4e0b\uff0c\u901a\u8fc7\u7f29\u5408\u4e59\u919b\u9178\u548c\u5c3f\u7d20\u5408\u6210\u5c3f\u56ca\u7d20\u3002<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"656\" height=\"145\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/4.png\" alt=\"\" class=\"wp-image-3979\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/4.png 656w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/4-300x66.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/4-600x133.png 600w\" sizes=\"(max-width: 656px) 100vw, 656px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e59\u919b\u9178\u7684\u8f6c\u5316\u7387\u4e3a 52% \uff5e 58%\u3002\u6839\u636e\u4e59\u4e8c\u919b\u8ba1\u7b97\u7684\u6240\u6709\u53cd\u5e94\uff0c\u5c3f\u56ca\u7d20\u4ea7\u91cf\u4e3a\u7406\u8bba\u503c\u7684 38% - 40%\u3002<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">5.\u5c3f\u7d20\u4e0e\u4e8c\u6c2f\u4e59\u9178\u7684\u53cd\u5e94<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u5176\u5236\u5907\u65b9\u6cd5\u662f\u52a0\u70ed 2 \u6469\u5c14\u5c3f\u7d20\u548c 1 \u6469\u5c14\u4e8c\u6c2f\u4e59\u9178\u3002\u53cd\u5e94\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"689\" height=\"270\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/5.png\" alt=\"\" class=\"wp-image-3980\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/5.png 689w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/5-300x118.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/5-600x235.png 600w\" sizes=\"(max-width: 689px) 100vw, 689px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">20 \u4e16\u7eaa 30 \u5e74\u4ee3\uff0c\u7f8e\u56fd\u4e13\u5229\u62a5\u9053\u4e86\u5c3f\u56ca\u7d20\u5728\u4e59\u4e8c\u9187\u4e2d 120 \u2103 4 \u5c0f\u65f6\u7684\u751f\u4ea7\u8fc7\u7a0b\uff0c\u4f46\u6536\u7387\u8f83\u4f4e\u3002\u5c3f\u56ca\u7d20\u5bf9\u4e8c\u6c2f\u4e59\u9178\u7684\u603b\u6536\u7387\u53ef\u8fbe 30.3%\u3002\u56fd\u5185\u6709\u7814\u7a76\u4eba\u5458\u5bf9\u8be5\u5de5\u827a\u8fdb\u884c\u4e86\u7814\u7a76\uff0c\u4f7f\u5c3f\u56ca\u7d20\u7684\u603b\u6536\u7387\u8d85\u8fc7 40%\u3002\u6574\u4e2a\u5de5\u827a\u6d41\u7a0b\u5982\u4e0b<\/h4>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"638\" height=\"221\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/6.png\" alt=\"\" class=\"wp-image-3981\" srcset=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/6.png 638w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/6-300x104.png 300w, https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/6-600x208.png 600w\" sizes=\"(max-width: 638px) 100vw, 638px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u76ee\u524d\uff0c\u5176\u4ed6\u9014\u5f84\u7684\u6280\u672f\u5f00\u53d1\u548c\u7814\u7a76\u4e5f\u5341\u5206\u6d3b\u8dc3\uff0c\u529b\u56fe\u4ee5\u8f83\u4f4e\u7684\u6210\u672c\u53d6\u5f97\u6210\u529f\uff0c\u5982\u4e59\u7094\u6cd5\u3001\u4e8c\u6c27\u5316\u78b3\u6cd5\u3001\u4e00\u6c27\u5316\u78b3\u6cd5\u7b49\u9ad8\u542b\u91cf\u5e9f\u6c14\u56de\u6536\u65b9\u6cd5\u3002\u4e0d\u8fc7\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8fd8\u6ca1\u6709\u6295\u4ea7\u7684\u62a5\u9053\u3002\u5c3f\u56ca\u7d20\u4f5c\u4e3a\u4e00\u79cd\u91cd\u8981\u7684\u5de5\u4e1a\u4ea7\u54c1\uff0c\u9700\u8981\u66f4\u591a\u7684\u5408\u6210\u7814\u7a76\u6765\u652f\u6491\u3002<\/h4>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"block-b4c0eeaf-7d48-4b9c-9bec-7357c3ccc6ad\"><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/allantoin-cas-97-59-6\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"has-inline-color has-vivid-cyan-blue-color\">\u5728\u54ea\u91cc\u8d2d\u4e70\u5c3f\u56ca\u7d20\uff1f<\/span><\/a><\/strong><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"block-ec1c94cf-d71a-405b-bc1c-0f668efbb6ff\"><strong>\u9686\u660c\u5316\u5de5\u4e13\u4e1a\u751f\u4ea7\u548c\u4f9b\u5e94\u5c3f\u56ca\u7d20 CAS 97-59-6\u3002\u6211\u4eec\u901a\u5e38\u4f1a\u5728 24 \u5c0f\u65f6\u5185\u4e0e\u60a8\u8054\u7cfb\u3002\u60a8\u4e5f\u53ef\u4ee5\u5728\u5de5\u4f5c\u65f6\u95f4\uff08UTC+8\uff0c\u5468\u4e00\u81f3\u5468\u516d\uff0c\u4e0a\u5348 8:30 \u81f3\u4e0b\u5348 6:00\uff09\u7ed9\u6211\u53d1\u7535\u5b50\u90ae\u4ef6\u81f3 info@longchangchemical.com\uff0c\u6216\u4f7f\u7528\u7f51\u7ad9\u5373\u65f6\u804a\u5929\u529f\u80fd\u83b7\u5f97\u53ca\u65f6\u56de\u590d\u3002<\/strong><\/h4>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"block-7edc1230-2340-4d50-bcbf-7af68000beef\"><strong>\u672c\u6587\u7531\u9686\u660c\u5316\u5de5\u7814\u53d1\u90e8\u64b0\u5199\u3002\u5982\u9700\u590d\u5236\u548c\u8f6c\u8f7d\uff0c\u8bf7\u6ce8\u660e\u51fa\u5904<\/strong>.<\/h4>\n\n\n<!-- lc-commercial-start -->\n<h2>A practical selection checklist for wetting, leveling, and defoaming additives<\/h2>\n<p>Additive selection is usually most effective when the team defines the defect first and then screens compatibility, dosage range, and process stage. That is often much more reliable than choosing only by chemistry family or by a single dramatic lab result.<\/p>\n<ul>\n<li><strong>Start from the defect, not the additive name:<\/strong> wetting loss, crater, microfoam, and instability often need different solutions even inside the same formula.<\/li>\n<li><strong>Check compatibility at the intended dosage:<\/strong> the strongest additive can still be the wrong commercial choice if it narrows the process window too much.<\/li>\n<li><strong>Review the stage of use:<\/strong> some products are most useful during grind, while others matter more during let-down, filling, or final application.<\/li>\n<li><strong>Balance cure or film quality with defect control:<\/strong> the right additive fixes the problem without sacrificing adhesion, gloss, or appearance.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiaf-3062\/\">CHLUMIAF 3062<\/a>:<\/strong> Useful when printing-ink and UV-ink compatibility matter in the defoaming screen.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> A stronger process-defoaming option when persistent foam survives harsher conditions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why does an additive that looks powerful in a beaker sometimes fail in production?<\/strong><br \/>Because shear, temperature, substrate, and the full formula can all change the way the additive performs under real process conditions.<\/p>\n<p><strong>Should the most aggressive additive always be preferred?<\/strong><br \/>Not usually. The best additive is the one that solves the real defect while preserving the broadest safe operating window.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>Due to its wide application, the demand for allantoin has been increasing year by year . The chemical synthesis method of allantoin appeared in foreign countries in the 1940s. But<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[105],"tags":[],"class_list":["post-3483","post","type-post","status-publish","format-standard","hentry","category-medicine-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Properties and synthetic routes of allantoin and its derivatives - Longchang Chemical Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Properties and synthetic routes of allantoin and its derivatives. Longchang Chemical specializes in the production and supply of Allantoin CAS 97-59-6. 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