{"id":48537,"date":"2026-08-04T09:00:54","date_gmt":"2026-08-04T00:00:54","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/08\/04\/48537\/"},"modified":"2026-08-04T09:00:54","modified_gmt":"2026-08-04T00:00:54","slug":"a%eb%a0%88%ed%8f%ac%ed%8a%b8-psa-%ec%a4%91%ed%95%a9%ec%8b%a4%ed%97%98-%ea%b2%b0%ea%b3%bc-%eb%b0%8f-%ea%b8%b0%ea%b8%b0%eb%b6%84%ec%84%9d-%eb%a0%88%ed%8f%ac%ed%8a%b8-2","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/08\/04\/48537\/","title":{"rendered":"A+\ub808\ud3ec\ud2b8 PSA \uc911\ud569\uc2e4\ud5d8 \uacb0\uacfc \ubc0f \uae30\uae30\ubd84\uc11d \ub808\ud3ec\ud2b8"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumbnail\/2024\/07\/13\/data30128731-0001.jpg\"><img decoding=\"async\" src=\"https:\/\/image4.happycampus.com\/Production\/thumbnail\/2024\/07\/13\/data30128731-0002.jpg\"><\/p>\n<p><strong>\ubaa9\ucc28<\/strong><\/p>\n<p>1. \uc11c\ub860<br \/>\n 1.1 PVA \uc5ed\uc0ac<br \/>\n 1.2 \uc2e4\ud5d8\ubc29\ubc95<br \/>\n 1.3 \ud2b9\uc9d5<br \/>\n 1.4 \uc6a9\ub3c4<br \/>\n1.4.1 \ud569\uc131\uc12c\uc720\ube44\ub2d0\ub860<br \/>\n1.4.2 \ud544\ub984<br \/>\n1.4.3 \uc811\ucc29\uc81c<br \/>\n1.4.4 \ud604\ud0c1\uc81c<br \/>\n1.4.5 \uc131\ud615\uc7ac\ub8cc<br \/>\n1.4.6 \uc12c\uc720\uac00\uacf5\uc81c <\/p>\n<p>2. \uc2e4\ud5d8\ubc29\ubc95<br \/>\n2.1 \uc2e4\ud5d8\ubaa9\uc801<br \/>\n2.2 \uc2dc\uc57d \ubc0f \uae30\uad6c<br \/>\n2.3 \uc2e4\ud5d8\ubc29\ubc95<\/p>\n<p>3. \ubd84\uc11d \uacb0\uacfc<br \/>\n3.1 IR(FT-IR)<br \/>\n3.2 GPC<br \/>\n3.3 TGA<br \/>\n3.4 DSC<\/p>\n<p>4. \uace0\ucc30<\/p>\n<p>5. \ucc38\uace0 \uc790\ub8cc<\/p>\n<p><strong>\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n<p>1.1 PVA \uc5ed\uc0ac<br \/>\n\ud3f4\ub9ac\ube44\ub2d0\uc54c\ucf54\uc62c(poly(vinyl alcohol), PVA)\uc740 1924\ub144\uc5d0 Herrmann\uacfc Haehnel\uc774 \ud3f4\ub9ac\ube44\ub2d0\uc544\uc138\ud14c\uc774\ud2b8 (poly(vinyl acetate), PVAc)\uc758 \ube44\ub204\ud654 \ub3c4\uc911 \ucc98\uc74c \ud569\uc131\ud558\uc600\uc73c\uba70 2\ucc28 \uc138\uacc4\ub300\uc804 \uc774\ud6c4 \uc77c\ubcf8\uc5d0\uc11c \ube44\ub2d0\ub860 \uc12c\uc720\uc6a9 \ub808\uc9c4\uc73c\ub85c \uc0c1\uc5c5\ud654\ub418\uae30 \uc2dc\uc791\ud588\ub2e4. \uc218\ub9ce\uc740 \ubc14\uc774\ub2d0 \uc911\ud569\uccb4\uc640 \ub2ec\ub9ac PVA\ub294 \ub2e8\uc704\uccb4\uc758 \uc911\ud569 \ubc18\uc751\uc73c\ub85c \ub9cc\ub4e4\uc9c0 \uc54a\ub294\ub2e4. 1,2 PVAc\uc758 \ube44\ub204\ud654\ub85c\ubd80\ud130 \uc81c\uc870\ub418\ub294 PVA\ub294 \ud770\uc0c9\uc758 \ubd84\ub9d0\uc0c1 \uace0\ubd84\uc790\ub85c \ud544\ub984 \ubc0f \uc12c\uc720\uc758 \ud615\uc131\uc774 \uc6a9\uc774\ud558\uace0 \ud45c\uba74 \ud65c\uc131\ub3c4\uac00 \ub192\uc73c\uba70, \uae30\uacc4\uc801 \uac15\ub3c4\uc640 \uc811\ucc29 \uac15\ub3c4\uac00 \ub192\uace0 \uc6a9\ud574\ub3c4\uc640 \ud654\ud559\uc801 \ubc18\uc751\uc131\uc774 \uc6b0\uc218\ud558\ub2e4. \ub610\ud55c PVA\ub294 \uc0dd\ubd84\ud574\uac00 \uac00\ub2a5\ud558\uace0 \ubb3c\uc5d0 \ub300\ud558\uc5ec \uc218\uc6a9\uc131\uc774\uba70 \ud1a0\uc591\uc5d0\uc11c \ubc1c\uacac\ub418\ub294 \ubc15\ud14c\ub9ac\uc544\uc5d0 \uc758\ud574 \ubd84\ud574\ub418\ubbc0\ub85c \ud658\uacbd \ubcf4\ud638\uc5d0 \ubbfc\uac10\ud55c \uc6a9\ub3c4\uc758 \uc7ac\ub8cc\ub85c \uac01\uad11\ubc1b\uace0 \uc788\ub2e4. \uc774\ub7ec\ud55c PVA\ub294 \uc751\uc6a9 \ubc94\uc704\uac00 \ub9e4\uc6b0 \ub113\uc5b4 \uac00\uc815\uc6a9 \uc81c\ud488\uc5d0\uc11c \uace0\uae30\ub2a5\uc131 \uc0b0\uc5c5\uc6a9 \uc7ac\ub8cc\uc5d0 \uc774\ub974\uae30<br \/>\n\uae4c\uc9c0 \ud3ed\ub113\uac8c \uc0ac\uc6a9\ub418\uace0 \uc788\ub2e4.<\/p>\n<p>1.2 \uc2e4\ud5d8\ubc29\ubc95<br \/>\n1) PVAc\ub97c \ucde8\ud558\uc5ec \uba54\ud0c4\uc62c\uacfc \ud568\uaed8 2\uad6c \ud50c\ub77c\uc2a4\ud06c\uc5d0 \ub123\uace0 \uad50\ubc18\ud55c\ub2e4.<br \/>\n2) \uc57d 70\ub3c4 \uc815\ub3c4\ub85c \uac00\uc5f4\ud55c \ud6c4 NaOH \uc218\uc6a9\uc561\uc744 \ucca8\uac00\ud55c\ub2e4.<br \/>\n3) \uc0c1\uc628\uc5d0\uc11c \ucda9\ubd84\ud788 \uc2dd\ud600 \ubc31\uc0c9\uce68\uc804\uc774 \uc0dd\uae30\uac8c \ud55c\ub2e4.<\/p>\n<p>1.3 \ud2b9\uc9d5<br \/>\n&#8211; \ubbf8\uc0dd\ubb3c\uc5d0 \uc758\ud574 \ubd84\ud574<br \/>\n&#8211; \ub0c9, \uc628\uc218\uc5d0 \uc6a9\ud574<br \/>\n&#8211; \ud3ec\uc7a5\uc6a9 \ud544\ub984\uc73c\ub85c \uc801\ud569<br \/>\n&#8211; \uc5f4\ubd09\ud569 \uac00\uacf5\uc774 \uc6a9\uc774<br \/>\n&#8211; \ub0b4\uc720, \ub0b4\uc57d\ud488\uc131<br \/>\n&#8211; \ub6f0\uc5b4\ub09c \uac00\uc2a4 \ubca0\ub9ac\uc5b4\uc131<br \/>\n&#8211; \uc815\uc804\uae30\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc74c<br \/>\n&#8211; \uc778\uc1c4 \uac00\ub2a5<br \/>\n&#8211; \uc720\ub9ac\uc804\uc774 \uc628\ub3c4(\uc57d 85\u2103)<\/p>\n<p>1.4 \uc6a9\ub3c4<br \/>\n1.4.1 \ud569\uc131\uc12c\uc720\ube44\ub2d0\ub860<br \/>\n\ube44\ub2d0\ub860\uc740 \uc77c\ubcf8\uc774 \uc644\uc804\ud788 \ub3c5\uc790\uc801\uc73c\ub85c \uac1c\ubc1c\ud55c \ud569\uc131\uc12c\uc720\uc774\uba70 \uadf8 \ud2b9\uc9d5\uc740 \uac15\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub098\uace0 \ub0b4\uc5f4\uc131, \ub0b4\uad11\uc131\ub3c4 \uc88b\ub2e4\ub294 \uac83, \ud569\uc131\uc12c\uc720 \uc911\uc5d0\uc11c \uac00\uc7a5 \ud761\uc218\uc131\uc774 \ud06c\ub2e4\ub294 \uac83 \ub4f1\uc744 \ub4e4 \uc218 \uc788\ub2e4. PVA\uc5d0 \ubb3c\uc744 \uc11e\uc5b4\uc11c \uac00\uc5f4\ud558\uace0 20%\uc5d0 \uac00\uae4c\uc6b4 \ub18d\ub3c4\ub85c \ud55c \uac83\uc744 \ubc29\uc0ac\uc6d0\uc561\uc73c\ub85c \ud558\uc5ec \ub9ce\uc740 \uc138\uacf5\uc744 \ud1b5\ud558\uc5ec \ubb34\uae30\uc5fc\uc744 \ud568\uc720\ud558\ub294 \uc751\uace0\uc695 \uc911\uc5d0\uc11c \uc555\ucd9c\ud55c\ub2e4. \ub2e4\uc74c\uc5d0 \uc774\uac83\uc744 \uac74\uc870\ud558\uc5ec 160\u2103\ub85c \uc5f4\uc5f0\uc2e0\ud55c \ub2e4\uc74c, 220\u223c230\u2103\uc758 \uacf5\uae30\uc695\uc73c\ub85c \uc5f4\ucc98\ub9ac\ub97c \ud55c\ub2e4.<\/p>\n<p>\ucd9c\ucc98 : <a href=\"https:\/\/www.happycampus.com\/report-doc\/30128731\/\" target=\"_blank\">\ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ubaa9\ucc28 1. \uc11c\ub860 1.1 PVA \uc5ed\uc0ac 1.2 \uc2e4\ud5d8\ubc29\ubc95 1.3 \ud2b9\uc9d5 1.4 \uc6a9\ub3c4 1.4.1 \ud569\uc131\uc12c\uc720\ube44\ub2d0\ub860 1.4.2 \ud544\ub984 1.4.3 \uc811\ucc29\uc81c 1.4.4 \ud604\ud0c1\uc81c 1.4.5 \uc131\ud615\uc7ac\ub8cc 1.4.6 \uc12c\uc720\uac00\uacf5\uc81c 2. \uc2e4\ud5d8\ubc29\ubc95 2.1 \uc2e4\ud5d8\ubaa9\uc801 2.2 \uc2dc\uc57d \ubc0f \uae30\uad6c 2.3 \uc2e4\ud5d8\ubc29\ubc95 3. \ubd84\uc11d \uacb0\uacfc 3.1 IR(FT-IR) 3.2 GPC 3.3 TGA 3.4 DSC 4. \uace0\ucc30 5. \ucc38\uace0 \uc790\ub8cc \ubcf8\ubb38\ub0b4\uc6a9 1.1 PVA \uc5ed\uc0ac \ud3f4\ub9ac\ube44\ub2d0\uc54c\ucf54\uc62c(poly(vinyl [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58960,57396,58958,58959,9035],"class_list":{"0":"post-48537","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-pva","11":"tag-9035"},"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/48537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=48537"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/48537\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=48537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=48537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=48537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}