鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勯珮鏁堣仛姘ㄩ叝鐧�(f膩)娉¢珨绯�
鐧�(f膩)甯冩檪闁擄細2025/03/09 News 妯欑敖锛�N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勯珮鏁堣仛姘ㄩ叝鐧�(f膩)娉¢珨绯�鍩轰簬N鐎忚娆℃暩(sh霉)锛�82
鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勯珮鏁堣仛姘ㄩ叝鐧�(f膩)娉¢珨绯�
鐩寗
- 寮曡█
- 鑱氭皑閰櫦(f膩)娉¢珨绯绘杩�
- N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勭壒鎬�
- 鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勮仛姘ㄩ叝鐧�(f膩)娉¢珨绯�
- 鐢�(ch菐n)鍝佸弮鏁�(sh霉)鑸囨€ц兘
- 鎳夌敤闋樺煙
- 绲�(ji茅)璜�
1. 寮曡█
鑱氭皑閰紙Polyurethane, PU锛夋槸涓€绋唬娉涙噳鐢ㄤ簬寤虹瓚銆佹苯杌娿€佸鍏�銆佸寘瑁濈瓑闋樺煙鐨勯珮鍒嗗瓙鏉愭枡銆傚叾鐛ㄧ壒鐨勭墿鐞嗗拰鍖栧鎬ц兘浣垮叾鎴愮偤鐝�(xi脿n)浠e伐妤�(y猫)涓笉鍙垨缂虹殑鏉愭枡涔嬩竴銆傝仛姘ㄩ叝鐧�(f膩)娉¢珨绯绘槸鑱氭皑閰潗鏂欑殑閲嶈绲勬垚閮ㄥ垎锛屽叾鎬ц兘鐩存帴褰遍熆鍒扮祩鐢�(ch菐n)鍝佺殑璩�(zh矛)閲�銆傛湰鏂囧皣瑭崇窗浠嬬垂鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒锛圢,N-Dimethylcyclohexylamine, DMCHA锛夌殑楂樻晥鑱氭皑閰櫦(f膩)娉¢珨绯伙紝鍖呮嫭鍏剁壒鎬�銆佺敘(ch菐n)鍝佸弮鏁�(sh霉)銆佹€ц兘鍙婃噳鐢ㄩ牁鍩熴€�
2. 鑱氭皑閰櫦(f膩)娉¢珨绯绘杩�
鑱氭皑閰櫦(f膩)娉¢珨绯讳富瑕佺敱澶氬厓閱�銆佺暟姘伴吀閰€佸偓鍖栧姂銆佺櫦(f膩)娉″姂銆佺┅(w臎n)瀹氬姂绛夌祫鎴�銆傚叾涓紝鍌寲鍔戝湪鐧�(f膩)娉¢亷绋嬩腑璧峰埌闂滈嵉浣滅敤锛岃兘澶犲姞閫熷弽鎳夐€熺巼锛屾帶鍒剁櫦(f膩)娉¢亷绋嬶紝寰炶€屽奖闊跨祩鐢�(ch菐n)鍝佺殑鎬ц兘銆�
2.1 澶氬厓閱�
澶氬厓閱囨槸鑱氭皑閰櫦(f膩)娉¢珨绯讳腑鐨勪富瑕佹垚鍒嗕箣涓€锛屽叾鍒嗗瓙绲�(ji茅)妲�(g貌u)涓惈鏈夊鍊嬬茎鍩猴紙-OH锛�锛岃兘澶犺垏鐣版鞍閰搁叝鍙嶆噳鐢熸垚鑱氭皑閰€傚鍏冮唶鐨勭ó椤炲拰鍒嗗瓙閲忓皪鐧�(f膩)娉¢珨绯荤殑鎬ц兘鏈夐噸瑕佸奖闊�銆�
2.2 鐣版鞍閰搁叝
鐣版鞍閰搁叝鏄仛姘ㄩ叝鐧�(f膩)娉¢珨绯讳腑鐨勫彟涓€涓昏鎴愬垎锛屽叾鍒嗗瓙绲�(ji茅)妲�(g貌u)涓惈鏈夌暟姘伴吀閰熀鍦橈紙-NCO锛�锛岃兘澶犺垏澶氬厓閱囧弽鎳夌敓鎴愯仛姘ㄩ叝銆傚父鐢ㄧ殑鐣版鞍閰搁叝鍖呮嫭浜岀暟姘伴吀閰紙TDI锛夈€佷簩鍩虹敳鐑蜂簩鐣版鞍閰搁叝锛圡DI锛夌瓑銆�
2.3 鍌寲鍔�
鍌寲鍔戝湪鑱氭皑閰櫦(f膩)娉¢珨绯讳腑璧峰埌鍔犻€熷弽鎳夌殑浣滅敤锛屽父鐢ㄧ殑鍌寲鍔戝寘鎷彅鑳洪鍖栧悎鐗�銆佹湁姗熼尗鍖栧悎鐗╃瓑銆侼,N-浜岀敳鍩虹挵(hu谩n)宸辫兒锛圖MCHA锛夋槸涓€绋珮鏁堢殑鍙旇兒椤炲偓鍖栧姂锛屽唬娉涙噳鐢ㄤ簬鑱氭皑閰櫦(f膩)娉¢珨绯讳腑銆�
2.4 鐧�(f膩)娉″姂
鐧�(f膩)娉″姂鍦ㄨ仛姘ㄩ叝鐧�(f膩)娉¢珨绯讳腑璧峰埌鐢�(ch菐n)鐢熸埃娉$殑浣滅敤锛屽父鐢ㄧ殑鐧�(f膩)娉″姂鍖呮嫭姘淬€佺墿鐞嗙櫦(f膩)娉″姂锛堝HCFC銆丠FC绛夛級绛�銆�
2.5 绌�(w臎n)瀹氬姂
绌�(w臎n)瀹氬姂鍦ㄨ仛姘ㄩ叝鐧�(f膩)娉¢珨绯讳腑璧峰埌绌�(w臎n)瀹氭埃娉$祼(ji茅)妲�(g貌u)鐨勪綔鐢紝甯哥敤鐨勭┅(w臎n)瀹氬姂鍖呮嫭纭呮补銆佽〃闈㈡椿鎬у姂绛�銆�
3. N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勭壒鎬�
N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒锛圖MCHA锛夋槸涓€绋珮鏁堢殑鍙旇兒椤炲偓鍖栧姂锛屽叿鏈変互涓嬬壒鎬э細
3.1 楂樻晥鍌寲
DMCHA鑳藉椤憲鍔犻€熷鍏冮唶鑸囩暟姘伴吀閰殑鍙嶆噳閫熺巼锛岀府鐭櫦(f膩)娉℃檪闁�锛屾彁楂樼敓鐢�(ch菐n)鏁堢巼銆�
3.2 鑹ソ鐨勬憾瑙f€�
DMCHA鍦ㄥ鍏冮唶鍜岀暟姘伴吀閰腑鍏锋湁鑹ソ鐨勬憾瑙f€�锛岃兘澶犲潎鍕诲垎鏁e湪鐧�(f膩)娉¢珨绯讳腑锛岀⒑淇濆弽鎳夌殑鍧囧嫽鎬�銆�
3.3 浣庢埃鍛�
DMCHA鍏锋湁杓冧綆鐨勬埃鍛�锛岃兘澶犳笡灏戠敓鐢�(ch菐n)閬庣▼涓殑鐣板懗锛屾敼鍠勫伐浣滅挵(hu谩n)澧冦€�
3.4 鐠�(hu谩n)淇濇€�
DMCHA涓嶅惈閲嶉噾灞拰鏈夊鐗╄唱(zh矛)锛岀鍚堢挵(hu谩n)淇濊姹�锛岄仼鐢ㄤ簬缍犺壊鐠�(hu谩n)淇濆瀷鑱氭皑閰櫦(f膩)娉¢珨绯�銆�
4. 鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勮仛姘ㄩ叝鐧�(f膩)娉¢珨绯�
鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勮仛姘ㄩ叝鐧�(f膩)娉¢珨绯诲叿鏈夐珮鏁�銆佺挵(hu谩n)淇�銆佷綆姘e懗绛夊劒(y艒u)榛�锛屽唬娉涙噳鐢ㄤ簬寤虹瓚銆佹苯杌�銆佸鍏�銆佸寘瑁濈瓑闋樺煙銆備互涓嬫槸瑭茬櫦(f膩)娉¢珨绯荤殑绲勬垚鍙婂弽鎳夋鐞�銆�
4.1 绲勬垚
鎴愬垎 | 姣斾緥锛�%锛� | 浣滅敤 |
---|---|---|
澶氬厓閱� | 50-70 | 鑸囩暟姘伴吀閰弽鎳夌敓鎴愯仛姘ㄩ叝 |
鐣版鞍閰搁叝 | 30-50 | 鑸囧鍏冮唶鍙嶆噳鐢熸垚鑱氭皑閰� |
DMCHA | 0.5-2 | 鍌寲鍔�锛屽姞閫熷弽鎳夐€熺巼 |
鐧�(f膩)娉″姂 | 1-3 | 鐢�(ch菐n)鐢熸埃娉� |
绌�(w臎n)瀹氬姂 | 0.5-1.5 | 绌�(w臎n)瀹氭埃娉$祼(ji茅)妲�(g貌u) |
4.2 鍙嶆噳姗熺悊
鍦ㄨ仛姘ㄩ叝鐧�(f膩)娉¢珨绯讳腑锛孌MCHA浣滅偤鍌寲鍔�锛岃兘澶犲姞閫熷鍏冮唶鑸囩暟姘伴吀閰殑鍙嶆噳锛岀敓鎴愯仛姘ㄩ叝銆傚弽鎳夐亷绋嬪涓嬶細
-
澶氬厓閱囪垏鐣版鞍閰搁叝鍙嶆噳锛�
[
text{R-OH} + text{R’-NCO} xrightarrow{text{DMCHA}} text{R-O-CO-NH-R’}
]
瑭插弽鎳夌敓鎴愯仛姘ㄩ叝閺堟銆� -
鐧�(f膩)娉″姂鍒嗚В锛�
鐧�(f膩)娉″姂锛堝姘达級鑸囩暟姘伴吀閰弽鎳夌敓鎴愪簩姘у寲纰虫埃楂旓紝鐢�(ch菐n)鐢熸埃娉★細
[
text{H}_2text{O} + text{R’-NCO} xrightarrow{text{DMCHA}} text{R’-NH}_2 + text{CO}_2
] -
姘f场绌�(w臎n)瀹�锛�
绌�(w臎n)瀹氬姂锛堝纭呮补锛夎兘澶犵┅(w臎n)瀹氭埃娉$祼(ji茅)妲�(g貌u)锛岄槻姝㈡埃娉$牬瑁傛垨鍚堝苟锛岀⒑淇濈櫦(f膩)娉¢珨鐨勫潎鍕绘€с€�
5. 鐢�(ch菐n)鍝佸弮鏁�(sh霉)鑸囨€ц兘
鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勮仛姘ㄩ叝鐧�(f膩)娉¢珨绯诲叿鏈夊劒(y艒u)鐣扮殑鐗╃悊鍜屽寲瀛告€ц兘锛屼互涓嬫槸鍏朵富瑕佺敘(ch菐n)鍝佸弮鏁�(sh霉)鑸囨€ц兘銆�
5.1 鐢�(ch菐n)鍝佸弮鏁�(sh霉)
鍙冩暩(sh霉) | 鏁�(sh霉)鍊艰寖鍦� | 鍠綅 |
---|---|---|
瀵嗗害 | 20-200 | kg/m3 |
鎶楀寮峰害 | 100-500 | kPa |
灏庣啽绯绘暩(sh霉) | 0.02-0.04 | W/(m路K) |
闁夊瓟鐜� | 85-95 | % |
灏哄绌�(w臎n)瀹氭€� | 卤1 | % |
浣跨敤婧害鑼冨湇 | -40 to +120 | 鈩� |
5.2 鎬ц兘鐗归粸
-
楂樻姉澹撳挤搴�锛氬熀浜嶥MCHA鐨勮仛姘ㄩ叝鐧�(f膩)娉¢珨绯诲叿鏈夎純楂樼殑鎶楀寮峰害锛岃兘澶犳壙鍙楄純澶х殑澶栭儴澹撳姏锛岄仼鐢ㄤ簬寤虹瓚銆佹苯杌婄瓑闋樺煙銆�
-
浣庡皫鐔辩郴鏁�(sh霉)锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈夎純浣庣殑灏庣啽绯绘暩(sh霉)锛岃兘澶犳湁鏁堥殧鐔憋紝閬╃敤浜庝繚婧潗鏂�銆�
-
楂橀枆瀛旂巼锛氶珮闁夊瓟鐜囪兘澶犳湁鏁堥槻姝㈡按鍒嗗拰姘i珨鐨勬徊閫�锛屾彁楂樻潗鏂欑殑鑰愪箙鎬у拰绌�(w臎n)瀹氭€�銆�
-
鑹ソ鐨勫昂瀵哥┅(w臎n)瀹氭€�锛氳┎鐧�(f膩)娉¢珨绯诲湪婧害璁婂寲涓嬪叿鏈夎壇濂界殑灏哄绌�(w臎n)瀹氭€э紝鑳藉淇濇寔褰㈢媭涓嶈畩褰�銆�
-
寤f硾鐨勪娇鐢ㄦ韩搴﹁寖鍦�锛氳┎鐧�(f膩)娉¢珨绯诲湪-40鈩冭嚦+120鈩冪殑婧害鑼冨湇鍏�(n猫i)鍏锋湁鑹ソ鐨勬€ц兘锛岄仼鐢ㄤ簬鍚勭ó鐠�(hu谩n)澧冩浠�銆�
6. 鎳夌敤闋樺煙
鍩轰簬N,N-浜岀敳鍩虹挵(hu谩n)宸辫兒鐨勮仛姘ㄩ叝鐧�(f膩)娉¢珨绯诲唬娉涙噳鐢ㄤ簬浠ヤ笅闋樺煙锛�
6.1 寤虹瓚闋樺煙
-
淇濇韩鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈変綆灏庣啽绯绘暩(sh霉)鍜岄珮闁夊瓟鐜囷紝閬╃敤浜庡缓绛戝澧�銆佸眿闋傘€佸湴鏉跨瓑閮ㄤ綅鐨勪繚婧潗鏂�銆�
-
闅旈煶鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈夎壇濂界殑闅旈煶鎬ц兘锛岄仼鐢ㄤ簬寤虹瓚闅旈煶澧�銆侀殧闊冲湴鏉跨瓑銆�
6.2 姹借粖闋樺煙
-
搴ф濉厖鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈夐珮鎶楀寮峰害鍜岃壇濂界殑鑸掗仼鎬э紝閬╃敤浜庢苯杌婂骇妞呭~鍏呮潗鏂�銆�
-
闅旈煶闅旂啽鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈夎壇濂界殑闅旈煶闅旂啽鎬ц兘锛岄仼鐢ㄤ簬姹借粖鍏�(n猫i)椋�銆佺櫦(f膩)鍕曟鑹欑瓑閮ㄤ綅鐨勯殧闊抽殧鐔辨潗鏂�銆�
6.3 瀹跺叿闋樺煙
-
娌欑櫦(f膩)濉厖鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈夐珮褰堟€у拰鑹ソ鐨勮垝閬╂€�锛岄仼鐢ㄤ簬娌欑櫦(f膩)銆佸簥澧婄瓑瀹跺叿鐨勫~鍏呮潗鏂欍€�
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鍖呰鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈夎壇濂界殑绶╂矕鎬ц兘锛岄仼鐢ㄤ簬瀹跺叿鍖呰鏉愭枡銆�
6.4 鍖呰闋樺煙
-
绶╂矕鍖呰鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈夎壇濂界殑绶╂矕鎬ц兘锛岄仼鐢ㄤ簬闆诲瓙鐢�(ch菐n)鍝�銆佺幓鐠冨埗鍝佺瓑鏄撶鍝佺殑绶╂矕鍖呰鏉愭枡銆�
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淇濇韩鍖呰鏉愭枡锛氳┎鐧�(f膩)娉¢珨绯诲叿鏈変綆灏庣啽绯绘暩(sh霉)锛岄仼鐢ㄤ簬椋熷搧銆佽棩鍝佺瓑闇€瑕佷繚婧殑鍖呰鏉愭枡銆�
7. 绲�(ji茅)璜�
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