绉戞€濆壍(chu脿ng) Desmodur 44V20L锛氬劜(ch菙)瀛樼┅(w臎n)瀹氭€ц垏鐠�(hu谩n)澧冮仼鎳�(y墨ng)鎬х殑娣卞害瑙ｆ瀽

寮曡█锛氬緸涓€鐡垛€滆啝姘粹€濊(shu艒)璧� 🧪

鍦ㄥ寲宸ユ潗鏂欑殑涓栫晫閲岋紝鏈変竴绋澅瑗�锛屽畠涓嶆槸钀�(w脿n)鑳借啝锛屽嵒姣旇惉(w脿n)鑳借啝鏇村挤(qi谩ng)澶�锛涘畠涓嶆槸濉戞枡锛屽嵒鑳借畵濉戞枡璁婂緱鏇存湁鍨�锛涘畠涓嶆槸娌规紗锛屼絾鑳借畵浣犵殑瀹跺叿銆佹苯杌�(ch膿)銆佸湴鏉跨叆鐒朵竴鏂�銆傚畠灏辨槸鈥斺€�鑱氭皑閰紙Polyurethane锛�锛岃€屾垜鍊戜粖澶╄鑱婄殑涓昏锛屾鏄€欏€�(g猫)瀹舵棌涓殑涓€浣嶉噸閲忕礆(j铆)鎴愬摗锛�绉戞€濆壍(chu脿ng) Desmodur 44V20L銆�

Desmodur 44V20L 鏄竴娆剧敱寰峰湅(gu贸)绉戞€濆壍(chu脿ng)鍏徃锛圕ovestro锛夋帹鍑虹殑鑺抽鏃忓鐣版鞍閰搁叝鐢�(ch菐n)鍝�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬娑傛枡銆佺矘鍚堝姂銆佸瘑灏佸姂鍜屽綀鎬ч珨绛夐牁(l菒ng)鍩�銆傚畠鐨勮〃鐝�(xi脿n)濡備綍锛熷挨鍏舵槸鍦�鍎�(ch菙)瀛樼┅(w臎n)瀹氭€у拰鐠�(hu谩n)澧冮仼鎳�(y墨ng)鎬�鏂归潰锛屾湁娌�(m茅i)鏈夆€滄€曠啽鎬曞喎鈥濈殑姣�??锛熻兘涓嶈兘鎵涘緱浣忔檪(sh铆)闁撶殑鑰冮(y脿n)锛熶粖澶╂垜鍊戝氨渚�(l谩i)鎻枊(k膩i)瀹冪殑绁炵闈㈢礂锛岀湅鐪嬮€欎綅鈥滃伐妤�(y猫)鐣岀殑鑰佸徃姗�(j墨)鈥濆埌搴曟湁澶氶潬璀滐紒

绗竴绔狅細鍒濊瓨(sh铆) Desmodur 44V20L 鈥斺€� 瀹冩槸瑾�(shu铆)锛�

1.1 鍩烘湰淇℃伅涓€瑕借〃 📋

閫欐槸涓€娆惧吀鍨嬬殑 MDI 椤�(l猫i)闋�(y霉)鑱氱墿锛岄仼鐢ㄤ簬闆欑祫鍒嗚仛姘ㄩ叝楂旂郴锛屽父鐢ㄤ簬鍒堕€犻珮鑰愮（鎬с€侀珮寮�(qi谩ng)搴︾殑鏉愭枡锛屾瘮濡傞亱(y霉n)鍕�(d貌ng)璺戦亾銆佹苯杌�(ch膿)鍏�(n猫i)椋�銆佹湪鍦版澘娑傚堡绛夈€�

绗簩绔狅細鍎�(ch菙)瀛樼┅(w臎n)瀹氭€� 鈥斺€� 鏅�(sh铆)闁撴槸鏈嬪弸閭勬槸鏁典汉锛�⏳

浠讳綍鍖栧(xu茅)鍝侀兘鏈変竴鍊�(g猫)鍏卞悓鐨勫晱(w猫n)椤岋細鏀句箙浜嗘渻(hu矛)涓嶆渻(hu矛)璁婅唱(zh矛)锛�

Desmodur 44V20L 涔熶笉渚嬪銆傞洊鐒跺畠鎬ц兘鍎�(y艒u)鐣�锛屼絾濡傛灉鍎�(ch菙)瀛樹笉鐣�(d膩ng)锛屼篃鏈�(hu矛)鍑虹従(xi脿n)榛忓害鍗囬珮銆侀鑹插姞娣便€佺敋鑷冲嚌鑶犲寲绛夊晱(w猫n)椤�銆�

2.1 褰遍熆鍎�(ch菙)瀛樼┅(w臎n)瀹氭€х殑涓昏鍥犵礌

2.2 瀵�(sh铆)椹�(y脿n)鏁�(sh霉)鎿�(j霉)瑾�(shu艒)瑭� 💡

鏍规摎(j霉)瀵�(sh铆)椹�(y脿n)瀹ゆ脯(c猫)瑭︼紝鍦ㄦ(bi膩o)婧�(zh菙n)姊濅欢涓嬶紙20掳C銆侀伩鍏�銆佸瘑灏侊級锛孌esmodur 44V20L 鍦�6鍊�(g猫)鏈堝収(n猫i)绮樺害璁婂寲灏忎簬10%锛孨CO鍚噺涓嬮檷涓嶈秴閬�(gu貌)1.5%锛屽爆浜庨潪甯哥悊鎯崇殑鐙€鎱�(t脿i)銆�

灏忚布澹細 濡傛灉浣犳墜闋殑 Desmodur 44V20L 宸茬稉(j墨ng)瓒呴亷(gu貌)淇濊唱(zh矛)鏈熷崐骞翠互涓�锛屽垾鎬ヨ憲鎵�锛佸彲浠ュ厛鍋氬€�(g猫)灏忔ǎ瀵�(sh铆)椹�(y脿n)锛岀湅鐪嬫槸鍚﹂倓鑳芥豢瓒充綘鐨勫伐钘濋渶姹� 😄

绗笁绔狅細鐠�(hu谩n)澧冮仼鎳�(y墨ng)鎬� 鈥斺€� 瀹冭兘鍦ㄥ摢鍏掆€滄椿寰楀ソ鈥濓紵🌍

闄や簡鍎�(ch菙)瀛樺晱(w猫n)椤�锛孌esmodur 44V20L 閭勯渶瑕侀潰灏�(du矛)鍚勭ó鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅腑鐨勬寫鎴�(zh脿n)锛屾瘮濡�婧樊澶с€佹繒搴﹂珮銆佺传澶栫窔寮�(qi谩ng)銆佺敋鑷虫サ绔ぉ姘�绛夈€�

3.1 婧害閬╂噳(y墨ng)鎬�

3.2 婵曞害褰遍熆

鐢变簬鐣版鞍閰搁叝妤垫槗鑸囨按鍙嶆噳(y墨ng)锛屽洜姝ゅ湪楂樻繒鐠�(hu谩n)澧冧笅锛�>80% RH锛夛紝鑻ユ湭閲囧彇淇濊(h霉)鎺柦锛屽彲鑳芥渻(hu矛)鍑虹従(xi脿n)锛�

• 姘ｆ场澧炲
• 鍥哄寲涓嶈壇
• 鐗╃悊鎬ц兘涓嬮檷

寤鸿鍦ㄦ柦宸ユ檪(sh铆)鎺у埗鐠�(hu谩n)澧冩繒搴﹀湪60%浠ヤ笅锛屽苟鍦ㄥ寘瑁濋枊(k膩i)鍟熷悗鐩″揩浣跨敤瀹岀暍銆�

3.3 鎶楃传澶栫窔鑳藉姏

闆栫劧 Desmodur 44V20L 鑷韩涓嶅叿鍌欒壇濂界殑鎶楃传澶栨€ц兘锛屼絾瀹冨彲浠ラ€氶亷(gu貌)鎼厤UV绌�(w臎n)瀹氬姂锛堝 HALS 鎴� UV鍚告敹鍔戯級渚�(l谩i)澧炲挤(qi谩ng)鍏惰€愬€欐€с€備笅琛ㄦ槸涓€浜涘父瑕�(ji脿n)娣诲姞鍔戠殑鏁堟灉灏�(du矛)姣旓細

绗洓绔狅細瀵�(sh铆)鎴�(zh脿n)妗堜緥鍒嗕韩 🛠️

鐐轰簡璁撳ぇ瀹舵洿濂藉湴鐞嗚В Desmodur 44V20L 鐨勫(sh铆)闅涙噳(y墨ng)鐢ㄨ〃鐝�(xi脿n)锛屾垜鍊戦伕鍙栦簡骞惧€�(g猫)鍏稿瀷琛屾キ(y猫)閫�(j矛n)琛屽垎鏋愶細

4.1 鍦板潽娑傛枡闋�(l菒ng)鍩�

鏌愬ぇ鍨嬪伐寤犲湴鍧柦宸ラ亷(gu貌)绋嬩腑浣跨敤 Desmodur 44V20L 浣滅偤鍥哄寲鍔�锛屾柦宸ョ挵(hu谩n)澧冩韩搴﹀湪 25掳C 宸﹀彸锛屾繒搴︾磩 65%銆傜祼(ji茅)鏋滆〃鏄庯細

4.1 鍦板潽娑傛枡闋�(l菒ng)鍩�

鏌愬ぇ鍨嬪伐寤犲湴鍧柦宸ラ亷(gu貌)绋嬩腑浣跨敤 Desmodur 44V20L 浣滅偤鍥哄寲鍔�锛屾柦宸ョ挵(hu谩n)澧冩韩搴﹀湪 25掳C 宸﹀彸锛屾繒搴︾磩 65%銆傜祼(ji茅)鏋滆〃鏄庯細

• 鍥哄寲閫熷害蹇�
• 鑰愮（鎬�?x煤n)?y艒u)鐣�
• 缍�(j墨ng)閬�(gu貌)涓€骞翠娇鐢�锛岀劇(w煤)鏄庨’闁�(k膩i)瑁傛垨鑴惤鐝�(xi脿n)璞�

✅ 绲�(ji茅)璜栵細閬╁悎涓韩銆佷腑婵曠挵(hu谩n)澧冧笅鐨勫湴鍧郴绲�(t菕ng)銆�

4.2 姹借粖(ch膿)鍏�(n猫i)椋剧矘鎺ユ噳(y墨ng)鐢�

鏌愭苯杌�(ch膿)寤犲皣 Desmodur 44V20L 鐢ㄤ簬鍎€琛ㄧ洡(p谩n)鑸囧収(n猫i)椋炬澘涔嬮枔鐨勭矘鎺�锛岀挵(hu谩n)澧冩ā鎿脯(c猫)瑭﹀寘鎷細

• 楂樻韩锛�80掳C锛夎€佸寲 72 灏忔檪(sh铆)
• 浣庢韩锛�-30掳C锛夊喎鍑� 24 灏忔檪(sh铆)
• 婵曠啽寰挵(hu谩n)娓�(c猫)瑭︼紙40掳C/95% RH锛�

绲�(ji茅)鏋滈’绀虹矘鎺ュ挤(qi谩ng)搴︿繚鎸佽壇濂�锛屾湭瑕�(ji脿n)鑴堡鎴栬剢鍖�銆�

✅ 绲�(ji茅)璜栵細鍏峰倷鑹ソ鐨勯珮浣庢韩閬╂噳(y墨ng)鎬�锛岄仼鍚堟苯杌�(ch膿)宸ユキ(y猫)鍫�(ch菐ng)鏅�銆�

4.3 鎴�(h霉)澶栭亱(y霉n)鍕�(d貌ng)鍫�(ch菐ng)鍦伴嫪瑁�

鍦ㄥ崡鏂规煇鍩庡競閶ō(sh猫)濉戣啝璺戦亾鏅�(sh铆)浣跨敤瑭茬敘(ch菐n)鍝侊紝澶忓楂樻韩閬�(d谩) 40掳C锛屽啲瀛ｄ綆姘ｆ韩闆朵笅 5掳C锛岀稉(j墨ng)閬�(gu貌)涓夊勾浣跨敤鍚庯細

• 琛ㄩ潰鐒�(w煤)鏄庨’榫滆
• 鍥炲綀鎬ц兘淇濇寔鑹ソ
• 鏈嚭鐝�(xi脿n)鍥犳繒姘ｅ紩璧风殑榧撳寘鍟�(w猫n)椤�

✅ 绲�(ji茅)璜栵細閫氶亷(gu貌)閰嶆柟鍎�(y艒u)鍖�锛孌esmodur 44V20L 鍙嫕浠诲京(f霉)闆滄埃鍊欐浠朵笅鐨勬埗(h霉)澶栨噳(y墨ng)鐢ㄣ€�

绗簲绔狅細绺界祼(ji茅)鑸囧睍鏈� 🎯

Desmodur 44V20L 鎲戝€熷叾鍑鸿壊鐨勫寲瀛�(xu茅)娲绘€�銆佽壇濂界殑姗�(j墨)姊版€ц兘鍜屽唬娉涚殑閬╃敤鎬э紝宸茬稉(j墨ng)鎴愮偤鐪惧楂樼鑱氭皑閰埗鍝佺殑鏍稿績鍘熸枡涔嬩竴銆傜洝绠″畠灏�(du矛)鍎�(ch菙)瀛樻浠舵湁涓€瀹氳姹�锛屼絾鍦ㄥ悎鐞嗙鐞嗕笅锛屽畬鍏ㄥ彲浠ュ仛鍒扳€�绌�(w臎n)濡傝€佺嫍鈥濄€�

鍦ㄦ湭渚�(l谩i)鐨勭櫦(f膩)灞曚腑锛岄毃钁楃挵(hu谩n)淇濇硶瑕�(gu墨)鏃ョ泭鍤�(y谩n)鏍间互鍙婂鎴�(h霉)灏�(du矛)鍙寔绾�(x霉)鎬х殑闂�(gu膩n)娉ㄥ鍔�锛孌esmodur 44V20L 涔熷皣鍦ㄤ互涓嬪咕鍊�(g猫)鏂瑰悜鎸佺簩(x霉)閫�(j矛n)鍖栵細

• 鏇寸挵(hu谩n)淇濈殑鐢熺敘(ch菐n)宸ヨ棟锛堝浣� VOC锛�
• 鏇撮珮鐨勫浐鍚瘮渚嬶紙娓涘皯婧跺姂浣跨敤锛�
• 鏇村ソ鐨勮€愬€欐€э紙閫氶亷(gu貌)鏀规€ф妧琛�(sh霉)锛�
• 鏇村挤(qi谩ng)鐨勮嚜淇京(f霉)鑳藉姏锛堝墠娌跨爺绌舵柟鍚戯級

鍙冭€冩枃鐛�(xi脿n) 📚

鈥滅鐮斾笉鑳介枆闁€(m茅n)閫犺粖(ch膿)鈥�锛屼互涓嬫槸鏈枃寮曠敤鐨勯儴鍒嗗湅(gu贸)鍏�(n猫i)澶栨瑠(qu谩n)濞佹枃鐛�(xi脿n)锛屼緵鏈夎垐瓒ｇ殑璁€鑰呴€�(j矛n)涓€姝ユ煡闁憋細

鍦�(gu贸)鍏�(n猫i)鍙冭€冩枃鐛�(xi脿n)锛�

1. 鐜嬪亯, 寮电珛杌�. 鑱氭皑閰潗鏂欑瀛�(xu茅)鑸囧伐绋�. 鍖栧(xu茅)宸ユキ(y猫)鍑虹増绀�, 2020.
2. 鏉庡織寮�(qi谩ng), 闄虫泬鏉�. "MDI 椤�(l猫i)闋�(y霉)鑱氱墿鍦ㄥ湴鍧秱鏂欎腑鐨勬噳(y墨ng)鐢ㄧ爺绌�".銆婁腑鍦�(gu贸)娑傛枡銆�, 2019(5): 45-49.
3. 涓湅(gu贸)鑱氭皑閰崝(xi茅)鏈�(hu矛). 鑱氭皑閰潗鏂欐墜鍐�(c猫). 鍖栧伐鍑虹増绀�, 2021.

鍦�(gu贸)澶栧弮鑰冩枃鐛�(xi脿n)锛�

1. G. Oertel (Ed.). Polyurethane Handbook, 2nd Edition. Hanser Gardner Publications, 1994.
2. A. Nofar, M., et al. "Recent developments in polyurethane materials for construction and infrastructure." Journal of Materials Chemistry A, 2022, 10(15), 8421鈥�8443.
3. Covestro AG. Technical Data Sheet: Desmodur 44V20L. Internal Publication, 2023.

绲�(ji茅)瑾�(y菙)锛氭効浣犲湪姣忎竴娆♀€滄墦鑶犫€濅腑閮藉績涓湁鏁�(sh霉) 💼

Desmodur 44V20L 骞堕潪瀹岀編鐒�(w煤)鐟曪紝浣嗗畠瓒冲鍎�(y艒u)绉€锛屽彧瑕佷綘鐢ㄥ績灏�(du矛)寰呭畠锛屽畠灏辫兘绲︿綘鍥炲牨(b脿o)銆傜劇(w煤)璜栨槸鐐庣値澶忔棩锛岄倓鏄瘨鍐嚇鏈�锛屽彧瑕佸劜(ch菙)瀛樺緱鐣�(d膩ng)銆佷娇鐢ㄥ悎鐞嗭紝瀹冮兘鑳介櫔浣犺蛋閬�(gu貌)姣忎竴鍊�(g猫)闋�(xi脿ng)鐩�锛岃(ji脿n)璀夋瘡涓€闋�(xi脿ng)鎴愭灉銆�

鎵€浠ワ紝涓嬫鐣�(d膩ng)浣犳墦闁�(k膩i)閭ｆ《 Desmodur 44V20L 鏅�(sh铆)锛屼笉濡ㄥ皪(du矛)瀹冭(shu艒)涓€鍙ワ細鈥滃厔寮�锛岃緵鑻︿簡锛佲€�💪😄

濡傛灉浣犲枩姝￠€欑瘒鏂囩珷锛岃珛(q菒ng)榛�(di菐n)璐�銆佹敹钘�銆佽綁(zhu菐n)鐧�(f膩)锛岃畵鏇村浜轰簡瑙ｉ€欐鈥滃钘忔潗鏂欌€�銆傛湁鍟�(w猫n)椤屾杩庣暀瑷€浜ゆ祦锛屾垜鍊戜竴璧锋帰瑷庢洿澶氳仛姘ㄩ叝鐨勫ェ绉�锛�