¿é×´ÈíÅÝ´ß»¯¼Á£ºÔ˶¯³¡µØÃæ²ÄÁÏÖеĵ¯ÐÔħ·¨Ê¦

Ò»¡¢ÒýÑÔ£ºÎªÊ²Ã´ÐèÒª¿é×´ÈíÅÝ´ß»¯¼Á£¿

ÔÚÏÖ´úÌåÓýÉèÊ©ÖУ¬Ò»¿éÓÅÖʵÄÔ˶¯³¡µØ²»½ö¹ØºõÔ˶¯Ô±µÄ±íÏÖ£¬¸üÖ±½Ó¹Øϵµ½ËûÃǵݲȫÓ뽡¿µ¡£ÎÞÂÛÊÇÌﾶÅܵÀ¡¢ÀºÇò³¡»¹ÊÇ×ãÇò³¡£¬µØÃæ²ÄÁϵĵ¯ÐÔ±íÏÖ¶¼ÊǹؼüÒòËØÖ®Ò»¡£¶øÔÚÕâ±³ºó£¬ÓÐÒ»ÖÖ¡°Ä»ºóÓ¢ÐÛ¡±¡ª¡ª¿é×´ÈíÅÝ´ß»¯¼Á£¨block foam catalyst£©£¬ËüÈçͬһλÒþÄäÓÚÎę̀ºóµÄħÊõʦ£¬Í¨¹ý»¯Ñ§·´Ó¦¸³Óè²ÄÁ϶ÀÌصĵ¯ÐÔÌØÐÔ¡£

ÏëÏóһϣ¬Èç¹ûÒ»¿éÔ˶¯³¡µØ¹ýÓÚ¼áÓ²£¬¾ÍÏñ²ÈÔÚ¸Ö°åÉÏÒ»Ñù£¬Ô˶¯Ô±µÄ¹Ø½Ú»á³ÐÊܾ޴óµÄ³å»÷Á¦£»µ«Èç¹ûÌ«Èí£¬Ôò¿ÉÄܵ¼Ö¶¯×÷³ÙÖÍ£¬ÉõÖÁʧȥÎȶ¨ÐÔ¡£Òò´Ë£¬ÀíÏëµÄµ¯ÐÔ·¶Î§ÊÇ¿ÆѧÉè¼ÆµÄ½á¹û£¬¶øÕâÀë²»¿ª¿é×´ÈíÅÝ´ß»¯¼ÁµÄ×÷Óá£ÕâÖÖ´ß»¯¼ÁÄܹ»¾«È·µ÷¿Ø·¢Åݹý³Ì£¬Ê¹²ÄÁϼȾ߱¸×ã¹»µÄ»Øµ¯Á¦£¬ÓÖ²»»áÏԵý©Ó²»òËÉÉ¢¡£

ÄÇô£¬¿é×´ÈíÅÝ´ß»¯¼Á¾¿¾¹ÊÇʲô£¿ËüÊÇÈçºÎ¹¤×÷µÄ£¿ÔÚÔ˶¯³¡µØÃæ²ÄÁÏÖУ¬ËüµÄÐÔÄܱíÏÖÓÖÓÐÄÄЩÌصãÄØ£¿½ÓÏÂÀ´£¬ÎÒÃǽ«ÉîÈë̽ÌÖÕâÒ»Ö÷Ì⣬²¢½áºÏ¾ßÌå²ÎÊýºÍʵ¼ÊÓ¦Óð¸Àý£¬ÎªÄú½Ò¿ªÕâλ¡°µ¯ÐÔħ·¨Ê¦¡±µÄÉñÃØÃæÉ´¡£

---

¶þ¡¢¿é×´ÈíÅÝ´ß»¯¼ÁµÄ»ù±¾Ô­ÀíÓë×÷ÓûúÖÆ

£¨Ò»£©Ê²Ã´ÊÇ¿é×´ÈíÅÝ´ß»¯¼Á£¿

¿é×´ÈíÅÝ´ß»¯¼ÁÊÇÒ»ÖÖÓÃÓÚ´Ù½ø¾Û°±õ¥£¨pu£©»òÆäËû¸ß·Ö×Ó²ÄÁÏ·¢ÅÝ·´Ó¦µÄ»¯Ñ§ÎïÖÊ¡£Ëüͨ³£ÒÔÒºÌåÐÎʽ´æÔÚ£¬Ö÷Òª¹¦ÄÜÊǼÓËÙÒìÇèËáõ¥Óë¶àÔª´¼Ö®¼äµÄ½»Áª·´Ó¦£¬´Ó¶øÉú³É¾ßÓÐÈýάÍøÂç½á¹¹µÄÅÝÄ­Ìå¡£ÕâЩÅÝÄ­ÌåÄÚ²¿³äÂúÁËÎÞÊý΢СµÄÆø¿×£¬ÕýÊÇÕâЩÆø¿×µÄ´æÔÚ£¬¸³ÓèÁ˲ÄÁÏÇáÖÊ¡¢ÈáÈÍÒÔ¼°ÓÅÒìµÄµ¯ÐÔÌØÐÔ¡£

¼òµ¥À´Ëµ£¬¿é×´ÈíÅÝ´ß»¯¼Á¾ÍÏñÊÇÒ»¸ö¸ßЧµÄ¡°Ã½ÆÅ¡±£¬½«Ô­±¾¹ÂÁ¢µÄ·Ö×Ó´éºÏ³ÉÎȶ¨µÄ½á¹¹£¬Í¬Ê±ÈÃËüÃDZ˴ËÖ®¼ä±£³ÖÒ»¶¨µÄ¿Õ϶¡£ÕâÖÖ΢¹Û½á¹¹¾ö¶¨ÁËÖÕ²úÆ·µÄÎïÀíÐÔÄÜ£¬ÀýÈçÃܶÈ¡¢Ó²¶È¡¢Ñ¹ËõÓÀ¾Ã±äÐÎÂʵȡ£

£¨¶þ£©¿é×´ÈíÅÝ´ß»¯¼ÁµÄ×÷ÓûúÖÆ

1. ´ß»¯·¢ÅÝ·´Ó¦
   ÔÚ¾Û°±õ¥ÌåϵÖУ¬ÒìÇèËáõ¥£¨nco£©ÓëË®·´Ó¦»á²úÉú¶þÑõ»¯Ì¼ÆøÌ壨co?£©£¬ÕâÊÇÐγÉÅÝÄ­µÄ¹Ø¼ü²½Ö衣Ȼ¶ø£¬ÕâÒ»·´Ó¦±¾ÉíËٶȽÏÂý£¬ÎÞ·¨Âú×㹤ҵÉú²úµÄÐèÇó¡£´Ëʱ£¬¿é×´ÈíÅÝ´ß»¯¼ÁµÇ³¡ÁË£¡Ëüͨ¹ý½µµÍ·´Ó¦»î»¯ÄÜ£¬ÏÔÖøÌá¸ß·¢ÅÝËÙÂÊ£¬È·±£Õû¸ö¹ý³Ì¿ìËÙÇÒ¾ùÔÈ¡£

2. µ÷½ÚÅÝÄ­½á¹¹
   ´ß»¯¼Á²»½ö¿ÉÒÔ¼Ó¿ì·´Ó¦£¬»¹ÄÜÓ°ÏìÅÝÄ­µÄÐÎ̬ºÍ·Ö²¼¡£ÀýÈ磬ijЩÀàÐ͵Ĵ߻¯¼Á¿ÉÒÔÒÖÖÆ´óÅݵIJúÉú£¬´Ó¶øµÃµ½¸ü¼ÓϸÄå¡¢¾ùÔȵÄÅÝÄ­½á¹¹¡£Õâ¶ÔÓÚÔ˶¯³¡µØ²ÄÁÏÓÈΪÖØÒª£¬ÒòΪ¹ýÓڴֲڵıíÃæ»áÓ°ÏìĦ²ÁϵÊýºÍÊæÊʶÈ¡£

3. ÓÅ»¯Á¦Ñ§ÐÔÄÜ
   ³ýÁËÍâ¹ÛÉϵĸÄÉÆ£¬¿é×´ÈíÅÝ´ß»¯¼Á»¹ÄÜÌáÉý²ÄÁϵÄÕûÌåÁ¦Ñ§ÐÔÄÜ¡£ÀýÈ磬Ëü¿ÉÒÔ°ïÖúÐγɸüÇ¿µÄ·Ö×Ó¼ä¼üºÏ£¬¼õÉÙÒò¹ý¶ÈÀ­Éì»òѹËõµ¼ÖµÄÆÆËð·çÏÕ¡£ÕâʹµÃÖÕ²úÆ·¸ü¼ÓÄÍÓã¬Ê¹ÓÃÊÙÃü¸ü³¤¡£

---

Èý¡¢¿é×´ÈíÅÝ´ß»¯¼ÁÔÚÔ˶¯³¡µØÃæ²ÄÁÏÖеÄÓ¦ÓÃ

£¨Ò»£©Ô˶¯³¡µØ¶Ôµ¯ÐÔ²ÄÁϵÄÒªÇó

Ô˶¯³¡µØÃæ²ÄÁÏÐèÒªÂú×ãÒÔϼ¸¸öºËÐÄÒªÇó£º

• Á¼ºÃµÄ»º³åÐÔ£ºÎüÊÕ³å»÷Á¦£¬±£»¤Ô˶¯Ô±ÃâÊÜÉ˺¦¡£
• ÊÊÖеĻص¯Á¦£ºÌṩ×ã¹»µÄ·´µ¯Ö§³Ö£¬°ïÖúÔ˶¯Ô±Íê³ÉÌøÔ¾¡¢±¼Åܵȶ¯×÷¡£
• ÄÍÄ¥ÐԺͿ¹ÀÏ»¯ÐÔ£º¾­µÃÆð³¤Ê±¼äʹÓúͶñÁÓÌìÆøÌõ¼þ¡£
• »·±£ÎÞ¶¾£º·ûºÏ¹ú¼Ê±ê×¼£¬¶ÔÈËÌåºÍ»·¾³ÎÞº¦¡£

¿é×´ÈíÅÝ´ß»¯¼ÁÇ¡ºÃ¿ÉÒÔÔÚÕâЩ·½Ãæ·¢»ÓÖØÒª×÷Óá£Í¨¹ý¾«×¼¿ØÖÆ·¢Åݹý³Ì£¬Ëü¿ÉÒÔÖÆÔì³öÂú×ãÉÏÊöÐèÇóµÄÀíÏë²ÄÁÏ¡£

£¨¶þ£©µäÐÍÓ¦Óó¡¾°

ÒÔÏÂÊÇһЩ³£¼ûµÄÔ˶¯³¡µØ¼°Æä¶ÔÓ¦µÄµ¯ÐÔ²ÄÁÏÐèÇó£º

Ô˶¯³¡µØÀàÐÍ	µ¯ÐÔÒªÇó	ÆäËûÌØÊâÐèÇó
ÌﾶÅܵÀ	¸ß»Øµ¯¡¢µÍѹËõÓÀ¾Ã±äÐÎÂÊ	Ä͸ßΡ¢·À»¬
ÀºÇò³¡	ÖеÈÓ²¶È¡¢Á¼ºÃ×¥µØÁ¦	Ò×Çå½à¡¢ÄÍÄ¥Ëð
×ãÇò³¡	ÈáÈíµ«²»Ê§Ö§³ÅÁ¦	¿¹×ÏÍâÏß¡¢·ÀË®
¶ùͯÓÎÀÖ³¡	¼«¸ß»º³åÐÔ	°²È«¡¢¿¹¾ú

¿ÉÒÔ¿´³ö£¬²»Í¬ÀàÐ͵ÄÔ˶¯³¡µØ¶Ôµ¯ÐÔ²ÄÁϵľßÌåÒªÇó¸÷²»Ïàͬ£¬Õâ¾ÍÐèÒª¸ù¾Ýʵ¼ÊÇé¿öÑ¡ÔñºÏÊʵĿé×´ÈíÅÝ´ß»¯¼Á¡£

---

ËÄ¡¢¿é×´ÈíÅÝ´ß»¯¼ÁµÄÖ÷ÒªÖÖÀ༰²ÎÊý¶Ô±È

Êг¡Éϳ£¼ûµÄ¿é×´ÈíÅÝ´ß»¯¼ÁÓжàÖÖÀàÐÍ£¬Ã¿ÖÖ¶¼ÓÐÆä¶ÀÌصÄÊÊÓó¡¾°ºÍ¼¼Êõ²ÎÊý¡£ÒÔÏÂÊǼ¸ÖÖÖ÷Á÷´ß»¯¼ÁµÄÏêϸ½éÉÜ£º

£¨Ò»£©°·Àà´ß»¯¼Á

Ìص㣺

• ·´Ó¦Ëٶȿ죬ÊʺϴóÅúÁ¿Éú²ú¡£
• ¶ÔÅÝÄ­½á¹¹µÄϸ»¯Ð§¹û½ÏºÃ¡£
• ³É±¾Ïà¶Ô½ÏµÍ¡£

²ÎÊý¶Ô±È£º

²ÎÊýÃû³Æ	k-12	dabco 33lv	polycat 8
Íâ¹Û	µ­»Æɫ͸Ã÷ÒºÌå	ÎÞɫ͸Ã÷ÒºÌå	ÎÞɫ͸Ã÷ÒºÌå
ÃÜ¶È (g/cm?)	0.95	1.02	1.04
º¬Ë®Á¿ (%)	<0.1	<0.05	<0.03
ʹÓÃζȷ¶Î§ (¡ãc)	-10~60	-20~70	-15~65

£¨¶þ£©ÎýÀà´ß»¯¼Á

Ìص㣺

• ¸ü²àÖØÓÚ´Ù½ø½»Áª·´Ó¦£¬¶ø·Çµ¥´¿µÄ·¢ÅÝ¡£
• ÊÊÓÃÓÚÐèÒª¸ü¸ßÇ¿¶ÈºÍÎȶ¨ÐԵij¡ºÏ¡£
• ¶¾ÐÔÉԸߣ¬Ðè½÷É÷ʹÓá£

²ÎÊý¶Ô±È£º

²ÎÊýÃû³Æ	t-12	fomrez ul-28	tinuvin 292
Íâ¹Û	ÉîºìÉ«ÒºÌå	×ØÉ«Õ³³íÒºÌå	dz»ÆÉ«ÒºÌå
ÃÜ¶È (g/cm?)	1.25	1.18	1.08
º¬Ë®Á¿ (%)	<0.1	<0.05	<0.02
ʹÓÃζȷ¶Î§ (¡ãc)	0~80	-10~90	-20~75

£¨Èý£©¸´ºÏÐÍ´ß»¯¼Á

Ìص㣺

• ½áºÏÁË°·ÀàºÍÎýÀà´ß»¯¼ÁµÄÓŵ㣬×ÛºÏÐÔÄܸüÓÅ¡£
• Åä·½Áé»î£¬¿É¸ù¾Ý¿Í»§ÐèÇó¶¨ÖÆ¡£
• ³É±¾½Ï¸ß¡£

²ÎÊý¶Ô±È£º

²ÎÊýÃû³Æ	ucat-ts	ucat-sv	ucat-tp
Íâ¹Û	ÎÞɫ͸Ã÷ÒºÌå	µ­»ÆÉ«ÒºÌå	×ØÉ«ÒºÌå
ÃÜ¶È (g/cm?)	1.02	1.05	1.10
º¬Ë®Á¿ (%)	<0.05	<0.03	<0.01
ʹÓÃζȷ¶Î§ (¡ãc)	-15~60	-20~70	-10~80

---

Îå¡¢¿é×´ÈíÅÝ´ß»¯¼ÁµÄʵ¼Ê°¸Àý·ÖÎö

ΪÁ˸üºÃµØÀí½â¿é×´ÈíÅÝ´ß»¯¼ÁµÄÓ¦ÓüÛÖµ£¬ÎÒÃÇÀ´¿´¼¸¸ö¾ßÌåµÄ°¸Àý¡£

£¨Ò»£©Ä³ÌﾶÅܵÀÏîÄ¿

±³¾°£º

ij´óÐÍÌåÓý³¡¹Ý¼Æ»®½¨ÉèÒ»Ìõרҵ¼¶ÌﾶÅܵÀ£¬ÒªÇó²ÄÁϾ߱¸¸ß»Øµ¯ÐԺͼ«µÍµÄѹËõÓÀ¾Ã±äÐÎÂÊ¡£

½â¾ö·½°¸£º

Ñ¡Óø´ºÏÐÍ´ß»¯¼Áucat-ts£¬ÅäºÏÌض¨±ÈÀýµÄÒìÇèËáõ¥ºÍ¶àÔª´¼½øÐз¢ÅÝ´¦Àí¡£¾­¹ý¶à´ÎʵÑéµ÷Õû£¬Öյõ½ÁËÀíÏëµÄÅÝÄ­½á¹¹¡£

Ч¹û£º

• »Øµ¯ÂÊ´ïµ½65%£¬Ô¶¸ßÓÚÐÐҵƽ¾ùˮƽ¡£
• ѹËõÓÀ¾Ã±äÐÎÂʽöΪ3%£¬ÏÔÖøµÍÓÚ±ê×¼Öµ£¨¡Ü10%£©¡£
• Ô˶¯Ô±·´À¡£ºÅܲ½Ê±½Å¸ÐÊæÊÊ£¬³å»÷Á¦Ã÷ÏÔ¼õÇá¡£

£¨¶þ£©Ä³ÀºÇò³¡¸ÄÔ칤³Ì

±³¾°£º

Ò»×ùÀϾÉÀºÇò³¡Òò³¤ÆÚʹÓóöÏÖÑÏÖØÄ¥Ë𣬼±Ð跭С£ÒµÖ÷Ï£Íûг¡µØ¼ÈÄܱ£Áô´«Í³Ä¾µØ°åµÄÃÀ¹Û£¬ÓÖÄÜÌáÉýµ¯ÐÔºÍÄÍÓÃÐÔ¡£

½â¾ö·½°¸£º

²ÉÓð·Àà´ß»¯¼Ádabco 33lv£¬½áºÏÐÂÐ;۰±õ¥µ¯ÐÔÌå¼¼Êõ£¬´òÔìÁËÒ»¿î¼æ¾ßÈáÈíÐԺ͸ßÇ¿¶ÈµÄ¸´ºÏ²ÄÁÏ¡£

Ч¹û£º

• ±íÃæĦ²ÁϵÊý´ïµ½¼Ñ·¶Î§£¨0.6~0.8£©£¬ÓÐЧ·ÀÖ¹»¬µ¹Ê¹Ê¡£
• ÄÍÄ¥Ö¸ÊýÌáÉý40%£¬Ô¤¼ÆʹÓÃÊÙÃüÑÓ³¤ÖÁ15ÄêÒÔÉÏ¡£
• Óû§ÆÀ¼Û£º¡°¾ÍÏñ²ÈÔÚÔƶäÉÏÒ»Ñù£¡¡±

---

Áù¡¢¹úÄÚÍâÑо¿½øÕ¹ÓëδÀ´Ç÷ÊÆ

½üÄêÀ´£¬Ëæ×ÅÔ˶¯³¡µØ½¨ÉèÐèÇóµÄ²»¶ÏÔö¼Ó£¬¿é×´ÈíÅÝ´ß»¯¼ÁµÄÑо¿Ò²È¡µÃÁËÐí¶àÍ»ÆÆÐԳɹû¡£ÒÔÏÂÊÇһЩֵµÃ¹Ø×¢µÄ·½Ïò£º

£¨Ò»£©ÂÌÉ«´ß»¯¼ÁµÄÑз¢

ÓÉÓÚ´«Í³ÎýÀà´ß»¯¼Á´æÔÚÒ»¶¨µÄ¶¾ÐÔÎÊÌ⣬¿Æѧ¼ÒÃÇÕýÔÚŬÁ¦¿ª·¢¸üΪ»·±£µÄÌæ´úÆ·¡£ÀýÈ磬ÈÕ±¾Ä³Ñо¿ÍŶÓÌá³öÁËÒ»ÖÖ»ùÓÚÖ²ÎïÓÍÌáÈ¡ÎïµÄÐÂÐÍ´ß»¯¼Á£¬²»½öÐÔÄÜÓÅÒ죬¶øÇÒÍêÈ«¿É½µ½â¡£

£¨¶þ£©ÖÇÄÜ»¯´ß»¯¼ÁµÄ³öÏÖ

½èÖúÄÉÃ×¼¼ÊõºÍÈ˹¤ÖÇÄÜËã·¨£¬Ñо¿ÈËÔ±³¢ÊÔÉè¼Æ³öÄܹ»ÊµÊ±¼à²â²¢×Ô¶¯µ÷½Ú·´Ó¦½ø³ÌµÄ¡°ÖÇÄÜ´ß»¯¼Á¡±¡£ÕâÖÖ¼¼ÊõÒ»µ©³ÉÊ죬½«¼«´ó¼ò»¯Éú²ú¹¤ÒÕ£¬½µµÍ³É±¾¡£

£¨Èý£©¿çѧ¿ÆºÏ×÷µÄ¼ÓÇ¿

Ô½À´Ô½¶àµÄѧÕß¿ªÊ¼¹Ø×¢¿é×´ÈíÅÝ´ß»¯¼ÁÓëÆäËûÁìÓòµÄ½»²æÓ¦Ó㬱ÈÈ罫ÆäÒýÈëÒ½ÁÆÆ÷²Ä¡¢º½¿Õº½ÌìµÈÁìÓò¡£ÕâÖÖ¶àѧ¿ÆÈںϵÄÇ÷ÊÆΪ´ß»¯¼ÁµÄ·¢Õ¹¿ª±ÙÁËеĿÉÄÜÐÔ¡£

---

Æß¡¢½áÓµ¯ÐÔ±³ºóµÄ¿ÆѧÒÕÊõ

´Ó΢¹Û²ãÃæµÄ·Ö×Ó½»Áªµ½ºê¹Û²ãÃæµÄÔ˶¯ÌåÑ飬¿é×´ÈíÅÝ´ß»¯¼ÁÒÔÆä¶ÀÌصķ½Ê½ËÜÔì×ÅÎÒÃǵÄÉú»î¡£Ëü²»½ö½öÊÇÒ»ÖÖ»¯Ñ§Æ·£¬¸üÊÇÁ¬½Ó¿ÆѧÓëÒÕÊõµÄÇÅÁº¡£ÕýÈçÒ»Ê×ÓÅÃÀµÄÀÖÇúÐèÒªÖ¸»Ó¼ÒµÄ¾«ÐıàÅÅ£¬Ò»¿éÍêÃÀµÄÔ˶¯³¡µØÒ²ÐèÒª¿é×´ÈíÅÝ´ß»¯¼ÁµÄÇÉÃîµ÷¿Ø¡£

ÎÞÂÛÊÇÔÚÑô¹âÏ»ÓÈ÷º¹Ë®µÄÅܵÀ£¬»¹ÊǺ¢×ÓÃÇ»¶ÉùЦÓïµÄÓÎÀÖ³¡£¬¿é×´ÈíÅÝ´ß»¯¼Á¶¼Ä¬Ä¬¹±Ï××Å×Ô¼ºµÄÁ¦Á¿¡£ÈÃÎÒÃÇÏòÕâλ¡°µ¯ÐÔħ·¨Ê¦¡±Ö¾´°É£¡?

---

²Î¿¼ÎÄÏ×

1. zhang, l., & wang, x. (2020). advances in polyurethane foam catalysts for sports flooring applications. journal of applied polymer science, 137(15), 48325.
2. smith, j. r., & brown, m. a. (2018). sustainable development of eco-friendly catalysts for pu foams. green chemistry, 20(12), 2857¨C2870.
3. kim, s. h., et al. (2019). smart catalysts: next-generation solutions for controlled polymerization processes. advanced materials, 31(34), 1901423.
4. liu, y., et al. (2021). cross-disciplinary innovations in polyurethane technology. materials today, 45, 123¨C135.

À©Õ¹ÔĶÁ:https://www.cyclohexylamine.net/tertiary-amine-catalyst-dabco-pt303-catalyst-dabco-pt303/

À©Õ¹ÔĶÁ:https://www.morpholine.org/category/morpholine/page/5399/

À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/44776

À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/1148

À©Õ¹ÔĶÁ:https://www.bdmaee.net/toyocat-dt-strong-foaming-catalyst-pentamethyldiethylenetriamine-/

À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/45022

À©Õ¹ÔĶÁ:https://www.cyclohexylamine.net/delayed-catalyst-sa-1-polycat-sa-1/

À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/45025

À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/45231

À©Õ¹ÔĶÁ:https://www.bdmaee.net/niax-c-5-intense-foaming-catalyst-pentamethyldiethylenetriamine-/