{"id":4877,"date":"2021-12-06T01:45:02","date_gmt":"2021-12-06T01:45:02","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4877"},"modified":"2026-04-28T10:41:52","modified_gmt":"2026-04-28T10:41:52","slug":"common-mistakes-of-the-newcomers","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/common-mistakes-of-the-newcomers\/","title":{"rendered":"\uc720\uae30 \ud569\uc131 \uc2e4\ud5d8\uc5d0\uc11c \ucd08\ubcf4\uc790\ub4e4\uc774 \ud754\ud788 \uc800\uc9c0\ub974\ub294 \uc2e4\uc218\uc5d0 \ub300\ud574 \uba87 \uac00\uc9c0 \ud2b8\ub9ad\uc744 \uc0ac\uc6a9\ud558\uc168\ub098\uc694?"},"content":{"rendered":"<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> A practical coating formulation choice starts with the application environment, then checks film formation, adhesion, appearance, and process stability under real production conditions.<\/p>\n<!-- lc-qa-end -->\n\n\n<ol class=\"wp-block-list\"><li>\ubcf4\ub4dc\ub97c \uc62c\ub77c\uac08 \ub54c\ub294 \uc6a9\uc81c\uac00 \uc704\ub85c \uc62c\ub77c\uac08 \ub54c\uae4c\uc9c0 TLC \ubcf4\ub4dc\ub97c \uaebc\ub0b4\ub294 \uac83\uc744 \uc78a\uc9c0 \ub9c8\uc138\uc694.<\/li><li>\ubcd1\uc758 \ubb34\uac8c\ub97c \uc78a\uc5b4\ubc84\ub838\uc2b5\ub2c8\ub2e4.<\/li><li>\ucd94\ucd9c\ud560 \ub54c \ubd84\ub9ac \uae54\ub54c\uae30\uc758 \ucf55\uc744 \uc81c\ub54c \ub2eb\ub294 \uac83\uc744 \uc78a\uace0 \ub4a4\ub3cc\uc544\ubcf4\uba74 \uc544\ubb34\uac83\ub3c4 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li><li>\uc5f4\uc744 \ud1b5\uacfc\ud560 \ub54c \uc81c\ud488\uc774 \ubd84\uc2e4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li><li>\uae30\ub465\uc774 \ub9d0\ub77c\ubc84\ub838\uc2b5\ub2c8\ub2e4.<\/li><li>\ud68c\uc804\ud560 \ub54c \uc81c\ud488\uc774 \ub2f4\uae34 \ud50c\ub77c\uc2a4\ud06c\ub97c \uc218\uc870\uc5d0 \ub123\uc2b5\ub2c8\ub2e4.<\/li><li>\ud68c\uc804\ud560 \ub54c \uc9c4\uacf5\uccad\uc18c\uae30\ub97c \ucf1c\ub294 \uac83\uc744 \uc78a\uc5b4\ubc84\ub9ac\uc138\uc694...<\/li><li>\ud68c\uc804\ud560 \ub54c \uacc4\uc18d \ubd80\ub52a\uce69\ub2c8\ub2e4.<\/li><li>\uc2a4\ud1a0\ud37c \ub098\uc0ac\ub97c \ud480\uace0 \ubc18\uc751 \uc6a9\uc561\uc744 \ubd84\ub9ac \uae54\ub54c\uae30\uc5d0 \ubd93\uc2b5\ub2c8\ub2e4.<\/li><li>\uad50\ubc18\ubd09\uacfc \ubc18\uc751 \uc561\uccb4\uac00 \ubd84\ub9ac \uae54\ub54c\uae30\ub85c \ubcf4\ub0b4\uc9c0\uace0 \uad50\ubc18\ubd09\uc774 \ubd84\ub9ac \uae54\ub54c\uae30\ub97c \ubd80\uc234\ubc84\ub9bd\ub2c8\ub2e4.<\/li><li>\ub2e4\uc74c\uc744 \uc218\ud589\ud560 \ub54c <a href=\"https:\/\/longchangchemical.com\/ko\/analytical-instruments-2\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>NMR<\/strong><\/a>\uc5d0\ub294 \uc911\uc218\uc18c \uc6a9\ub9e4\ub9cc \uc788\uc73c\ubbc0\ub85c \ucd94\uac00\ud558\ub294 \uac83\uc744 \uc78a\uc9c0 \ub9c8\uc138\uc694...<\/li><li>\ub098\ub294 \ub0b4 \uae30\uc5b5\ub825\uc774 \ub9e4\uc6b0 \uc88b\ub2e4\uace0 \ubbff\uc73c\uba70 \ub9ce\uc740 \uc0d8\ud50c\uc774 \ub808\uc774\ube14\uc744 \uc4f0\uc9c0 \uc54a\uace0 \ub2e4\uc74c\ub0a0 \ud6c4\ud68c\ud569\ub2c8\ub2e4.<\/li><li>\uc21c\ud658\ud558\ub294 \ubb3c\uc744 \ucf1c\ub294 \uac83\uc744 \uc78a\uc5b4\ubc84\ub9ac\uc138\uc694.<\/li><li>\uc6a9\ub9e4\ub294 \uc808\ub300\uc801\uc73c\ub85c \uc21c\uc218\ud558\uace0 \ubb3c\uc774 \uc804\ud600 \uc5c6\ub294 \uac83\uc744 \ubbff\uc73c\uc138\uc694.<\/li><li>\uc9c1\uc120 \ub3c4\ub85c\uc5d0\uc11c \ubc18\uc751\uc744 \ucc98\ub9ac\ud560 \ub54c \uae30\uc9c8\uc774 \ud558\ub098 \ub354 \ucd94\uac00\ub418\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/li><li>\uba39\uc774\ub97c \uc904 \ub54c \uc798\ubabb\ub41c \uc6d0\ub8cc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li><li>\uc6d0\uc7ac\ub8cc\ub294 \uba39\uc774\uae30 \uc804\uc5d0 \ud655\uc778\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li><li>\uba39\uc774\ub294 \uacfc\uc815\uc5d0\uc11c \ubc18\uc751 \ud50c\ub77c\uc2a4\ud06c\uac00 \uc791\uc740 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/li><li>\ubc18\uc751\uc774 \uc885\ub8cc\ub418\uc5c8\uc744 \ub54c \ubc18\uc751 \ud50c\ub77c\uc2a4\ud06c\uac00 \ub108\ubb34 \uc791\uc740 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/li><li>\uc0d8\ud50c\ub9c1\ud560 \ub54c\ub294 \ubcd1\uc744 \uae68\uc138\uc694.<\/li><li>\uacf5\uae09 \ube44\uc728\uc744 \uacc4\uc0b0\ud560 \ub54c \uc6d0\uc7ac\ub8cc\uc758 \ud568\ub7c9\uc740 \uace0\ub824\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li><li>\uc218\uc720 \ube44\uc728\uc744 \uacc4\uc0b0\ud560 \ub54c \uc18c\uc218\uc810\uc774 \uc798\ubabb\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li><li>\uc2e0\ub8b0\ud560 \uc218 \uc5c6\ub294 \ubc18\uc751\ub3c4 \uae30\uc801\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\ub2e4\uace0 \ubbff\uc73c\uc138\uc694.<\/li><li>\ucd94\ucd9c\ud560 \ub54c\ub294 \uc81c\ud488 \uce35\uc744 \ubc84\ub9bd\ub2c8\ub2e4.<\/li><li>\uad50\ubc18 \ub9c9\ub300\uac00 \ubcd1\uc744 \uae68\ub728\ub9bd\ub2c8\ub2e4.<\/li><li>\uc81c\ud488\uc744 \uaebc\ub0b4\uae30 \uc704\ud574 \ubcd1\ub9cc \uae68\uc84c\uc2b5\ub2c8\ub2e4.<\/li><li>\ubc18\uc751 \ud50c\ub77c\uc2a4\ud06c\uac00 \uc624\uc77c \ubc30\uc2a4\ub85c \ubbf8\ub044\ub7ec\uc9d1\ub2c8\ub2e4.<\/li><li>\ubc30\uce58 \ubc88\ud638\ub97c \ud63c\ub3d9\ud558\ub294 \ub2e4\uc911 \ucef4\ud3ec\ub10c\ud2b8 \ubcd1\ub82c \ud14c\uc2a4\ud2b8.<\/li><li>\ubc24\uc0c8 \ubc18\uc751\ud558\ub294 \ub3d9\uc548 \uc21c\ud658\uc218 \ud30c\uc774\ud504\uac00 \ucf58\ub374\uc11c\uc5d0\uc11c \ub5a8\uc5b4\uc84c\uc2b5\ub2c8\ub2e4.<\/li><li>\ubcd1\uc744 \uc138\ucc99\ud558\ub294 \ub3d9\uc548 \ubcd1\uc744 \uae68\ub728\ub9bd\ub2c8\ub2e4.<\/li><li>\uac00\uc2a4 \ubc29\ucd9c\uacfc\uc758 \ubc18\uc751\uc740 \ud3d0\uc1c4\ud615 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc218\ud589\ub429\ub2c8\ub2e4.<\/li><li>\ucd94\ucd9c\ud560 \ub54c \uc0b6\uacfc \uc8fd\uc74c \uc0ac\uc774\uc5d0\ub294 \uacc4\uce35\ud654\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li><li>\ub098\ud2b8\ub968 \ube14\ub85d\uc744 \uc790\ub97c \ub54c \uc7ac\ucc44\uae30\ub97c \ud588\uc2b5\ub2c8\ub2e4.<\/li><li>\ub0c9\uc7a5\uace0\ub97c \uc5f4\uace0 \uc804\uc6d0\uc744 \ub044\ub294 \uac83\uc744 \uc78a\uc5b4\ubc84\ub9ac\uace0 <a href=\"https:\/\/longchangchemical.com\/ko\/\" target=\"_blank\" rel=\"noreferrer noopener\">\uc2dc\uc57d<\/a> \ub97c \ub0c9\uc7a5\uace0\uc5d0\uc11c \uaebc\ub0b4\uc11c \ubc18\ub0a9\ud558\ub294 \uac83\uc744 \uc78a\uc5b4\ubc84\ub9ac\uc138\uc694.<\/li><li>\ub204\uad70\uac00 \uacc4\ub7c9\ub41c \ubcd1\uc744 \uac00\uc838\uac11\ub2c8\ub2e4.<\/li><li>\uc628\ub3c4 \uc81c\uc5b4\uac00 \uc2e4\ud328\ud569\ub2c8\ub2e4.<\/li><li>\ud380\uce6d.<\/li><li>\uc9c4\uacf5 \uc99d\ub958 \ubc94\ud504.<\/li><li>\uc5d0\ud14c\ub974\ub97c \uc0ac\uc6a9\ud558\uba74 \ud56d\uc0c1 \uc878\uac8c \ub429\ub2c8\ub2e4.<\/li><li>\ubcf4\ub4dc\uc5d0 \uc62c\ub77c\uac08 \ub54c \ub204\uad70\uac00 \ubab0\ub798 \ubcf4\ub4dc\ub97c \ub3cc\ub9ac\ub294 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/li><li>\uc720\ub9ac \ud29c\ube0c\ub97c \ub77c\ud14d\uc2a4 \ud29c\ube0c\ub85c \ub36e\uc5b4 \uc720\ub9ac\ub97c \uae68\uace0 \uc190\uc744 \ucc14\ub7ec \ud53c\uac00 \ub098\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li><li>\ub9c8\uac1c\uc5d0 \uae30\ub984\uce60\uc744 \ud558\uc9c0 \uc54a\uc544 \ubaa8\ub4e0 \ubcd1 \uc785\uad6c\ub97c \uc5f4 \uc218 \uc5c6\uc5c8\uc2b5\ub2c8\ub2e4.<\/li><li>\ubb3c\uc9c8\uc744 \ube44\ucee4\uc5d0 \ub123\uace0 \ucd08\uc74c\ud30c\ub85c \uc6a9\ud574\uc2dc\ucf30\uc2b5\ub2c8\ub2e4. \uadf8 \uacb0\uacfc \ube44\ucee4\ub97c \ubb3c\uc5d0 \ubd80\uc5c8\uc2b5\ub2c8\ub2e4.<\/li><li>\ubc18\uc751\uc774 \uc5ed\ub958\ud558\uace0 \ub2e4\ub978 \uc77c\ub4e4\uc774 \uc77c\uc5b4\ub0ac\uc2b5\ub2c8\ub2e4. \ub0c9\uac01\uc218\ub294 \uc911\uac04\uc5d0 \uc911\ub2e8\ub418\uc5c8\uc9c0\ub9cc \uc6a9\ub9e4\ub294 \ub300\ubd80\ubd84\uc758 \uc2dc\uac04 \ub3d9\uc548 \ub3c4\ub9dd\ucce4\uc2b5\ub2c8\ub2e4.<\/li><li>\ucda9\uc804 \uacc4\uc218\uac00 \ud070 \ud658\ub958 \ubc18\uc751\uc5d0\uc11c \uc911\uac04\uc5d0 \uc804\uc6d0\uc774 \ucc28\ub2e8\ub418\uace0 \uad50\ubc18\uc774 \uaebc\uc9c0\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. \uc7a0\uc2dc \ud6c4 \uac11\uc790\uae30 \uc804\ud654\uac00 \ucf1c\uc9c0\uace0 \uc7ac\ub8cc\uac00 \uba38\ub9ac\uc5d0 \ubd80\ub52a\ucce4\uc2b5\ub2c8\ub2e4.<\/li><li>\ud14c\uc2a4\ud2b8 \ubca4\uce58\uc5d0 \ubb34\uc0c9 \uc561\uccb4 \ubc18 \ube44\ucee4\ub97c \ub193\uc2b5\ub2c8\ub2e4. \uc800\ub294 \ubb3c\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uace0 \ubd80\uc744 \uc900\ube44\ub97c \ud588\uc2b5\ub2c8\ub2e4. \ub098\ub294 \ucf54\ub85c \uadf8\uac83\uc744 \ud655\uc778\ud588\ub2e4. \uc554\ubaa8\ub2c8\uc544\ub85c \ubc1d\ud600\uc84c\uace0 \uc81c \ub1cc\ub294 5\ucd08 \ub3d9\uc548 \uae30\uc5b5\uc744 \uc783\uc5c8\uc2b5\ub2c8\ub2e4.<\/li><li>\uc2ac\ub9ac\ube0c\uac00 \uce21\uc815 \uc2e4\ub9b0\ub354\uc5d0 \ubd80\ub52a\ud614\uace0 \uce21\uc815 \uc2e4\ub9b0\ub354\uac00 \ud14c\uc774\ube14\uc5d0 \ub5a8\uc5b4\uc838 \ubd80\ub7ec\uc84c\uc9c0\ub9cc \uc5ec\uc804\ud788 \uc5d0\ub108\uc9c0\uc758 \uc808\ubc18\uc774 \ub0a8\uc544\uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/li><li>TLC \uc2ac\ub798\ube0c\ub97c \uc62c\ub77c\uac04 \ud6c4 \uc81c\ud488 \uc2a4\ud2b8\ub9bd\uc744 \uae01\uc5b4\ub0b8 \ub2e4\uc74c \uc7ac\ucc44\uae30\ub97c \ud569\ub2c8\ub2e4.<\/li><li>\ud48d\uc120\uc774 \uc788\ub294 \ubc18\uc751 \uc7a5\uce58\uac00 \ud48d\uc120\uc758 \ub178\ud6c4\ud654\ub85c \uc778\ud574 \uc911\uac04\uc5d0 \ud130\uc838 \ubc18\uc751 \uac8c\uc784\uc774 \uc885\ub8cc\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li><li>\ub204\uad70\uac00 \uc2e4\uc218\ub85c \ub85c\ud130\ub9ac \ucc1c\ud1b5\uc5d0\uc11c \ubcd1\uc744 \uaebc\ub0b4 \uc0d8\ud50c\uc778 \ucc99\ud558\uace0 \uae30\ub465\uc744 \uc124\uce58\ud558\uace0 \uae30\ub465\uc744 \ud1b5\uacfc\ud558\uace0 \uc218\uc9d1\ud558\uace0 \ud50c\ub808\uc774\ud2b8\ub97c \ud074\ub9ad \ud55c \ub2e4\uc74c ...<\/li><li>\uc545\uae30\ub97c \uc624\ube10\uc5d0 \ub123\uc5c8\ub2e4\uac00 \uc7a0\uc2dc \ud6c4 \ub2e4\ub978 \uc0ac\ub78c\uc774 \uac00\uc838\uac14\uc2b5\ub2c8\ub2e4.<\/li><li>\uceec\ub7fc\uc5d0\uc11c \uc5bb\uc740 \ubd88\uc21c\ubb3c\uc740 \ub9e4\uc6b0 \uc21c\uc218\ud558\uba70 \uc81c\ud488\uc740 \uc5b4\uca0c\ub4e0 \uc21c\uc218\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li><\/ol>\n\n\n<!-- lc-commercial-start -->\n<h2>How buyers usually evaluate coating and paint topics<\/h2>\n<p>In conventional coating work, technical buyers usually move fastest when they define the film-performance target first and then review rheology, substrate compatibility, additives, and long-term durability as one system instead of isolated tweaks.<\/p>\n<ul>\n<li><strong>Start from the application scenario:<\/strong> furniture, powder coating, industrial paint, and waterborne systems often reward different formulation priorities.<\/li>\n<li><strong>Check surface quality and process stability together:<\/strong> leveling, wetting, foam control, and drying often interact strongly.<\/li>\n<li><strong>Review the film after full cure or drying:<\/strong> adhesion, hardness, weatherability, and color stability usually decide the commercial result.<\/li>\n<li><strong>Use targeted additive screening:<\/strong> wetting, leveling, defoaming, and wear-resistance additives work best when the defect is clearly defined.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/ko\/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\/ko\/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\/ko\/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\/ko\/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 can a coating with good initial appearance still fail later?<\/strong><br \/>Because many failures show up only after full cure, storage, or service exposure, when adhesion, flexibility, or weatherability becomes the limiting factor.<\/p>\n<p><strong>Should coating additives be chosen one by one outside the full formula?<\/strong><br \/>It is usually safer to screen them inside the real formula because resin choice, pigments, and the rest of the additive package can change the result.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>When climbing the board, forget to take out the TLC board until the solvent climbs to the top.Forgot to weigh the bottle.Forgetting to close the cock of the separatory funnel<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4877","post","type-post","status-publish","format-standard","hentry","category-laboratory-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>In the organic synthesis experiment, how many tricks have you done for the common mistakes of the newcomers?<\/title>\n<meta name=\"description\" content=\"When climbing the board, forget to take out the TLC board until the solvent climbs to the top.Forgot to weigh the bottle.Forgetting to close the cock of...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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