¹âÎȶ¨¼ÁUV-123ÔÚÌáÉý½¨ÖþÍâǽͿÁÏÄ;ÃÐÔÖеÄ×÷ÓÃ
¹âÎȶ¨¼ÁUV-123£º½¨ÖþÍâǽͿÁϵÄÊØ»¤Õß
ÔÚÏÖ´úÉç»áÖУ¬½¨ÖþÎï²»½öÊÇÈËÃǾÓסºÍ¹¤×÷µÄ³¡Ëù£¬¸üÊdzÇÊо°¹ÛµÄÖØÒª×é³É²¿·Ö¡£È»¶ø£¬±©Â¶ÔÚ×ÔÈ»»·¾³ÖеĽ¨ÖþÍâǽͿÁϳ£³£ÃæÁÙ¸÷ÖÖÌôÕ½£¬ÆäÖÐ×ÏÍâÏߣ¨UV£©·øÉäÊǵ¼ÖÂÍ¿²ãÀÏ»¯ºÍÐÔÄÜϽµµÄÖ÷ÒªÔÒòÖ®Ò»¡£¹âÎȶ¨¼ÁUV-123×÷ΪһÖÖ¸ßЧµÄ¹¦ÄÜÐÔÌí¼Ó¼Á£¬ÔÚÌáÉý½¨ÖþÍâǽͿÁÏÄ;ÃÐԺͱ£»¤Í¿²ã·½Ãæ·¢»Ó×ÅÖÁ¹ØÖØÒªµÄ×÷Óᣱ¾ÎĽ«ÉîÈë̽ÌÖ¹âÎȶ¨¼ÁUV-123µÄÌØÐÔ¡¢¹¦Äܼ°ÆäÔÚ½¨ÖþÍâǽͿÁÏÖеÄÓ¦Ó㬲¢Í¨¹ýÏêʵµÄÊý¾ÝºÍ¹úÄÚÍâÎÄÏ×Ö§³Ö£¬Îª¶ÁÕß³ÊÏÖÒ»·ùÈ«Ãæ¶øÉú¶¯µÄ¼¼Êõ»¾í¡£
ʲôÊǹâÎȶ¨¼ÁUV-123£¿
¹âÎȶ¨¼ÁUV-123ÊÇÒ»ÖÖרÃÅÓÃÓÚµÖÓù×ÏÍâÏßÇÖº¦µÄ»¯Ñ§ÎïÖÊ£¬ÊôÓÚÊÜ×è°·Àà¹âÎȶ¨¼Á£¨HALS£©¡£Ëüͨ¹ý²¶×½²¢·Ö½âÓÉ×ÏÍâÏßÒý·¢µÄ×ÔÓÉ»ù£¬´Ó¶øÓÐЧÑÓ»ºÍ¿²ãµÄÀÏ»¯¹ý³Ì¡£Ó봫ͳµÄ¿¹Ñõ»¯¼Á²»Í¬£¬UV-123²»½öÄܹ»ÒÖÖÆ×ÔÓÉ»ùµÄÉú³É£¬»¹ÄܳÖÐøÔÙÉúÆä»îÐԳɷ֣¬Òò´Ë¾ßÓиü³Ö¾ÃµÄ·À»¤Ð§¹û¡£ÕâÖÖÌØÐÔʹµÃUV-123³ÉΪÏÖ´ú½¨ÖþÍâǽͿÁÏÖв»¿É»òȱµÄ¡°ÒþÐÎÎÀÊ¿¡±¡£
ΪÁ˸üºÃµØÀí½âUV-123µÄ×÷ÓûúÖÆ£¬¿·¢k8¹ú¼ÊÊ×Ò³µÇ¼¿ÉÒÔ½«Æä±ÈÓ÷ΪһλÖҳϵġ°¶ÜÅÆÆïÊ¿¡±¡£µ±Ñô¹âÖеÄ×ÏÍâÏßÊÔͼÇÖÊ´Í¿ÁϱíÃæʱ£¬Õâλ¡°ÆïÊ¿¡±»áѸËÙͦÉí¶ø³ö£¬ÓÃÆäÇ¿´óµÄ·ÀÓùÄÜÁ¦µÖµ²×¡×ÏÍâÏߵĹ¥»÷£¬È·±£Í¿²ãʼÖÕ±£³ÖÁÁÀöÈçС£ÕýÊÇÕâÖÖ׿ԽµÄ·À»¤ÐÔÄÜ£¬ÈÃUV-123ÔÚ½¨ÖþÍâǽͿÁÏÁìÓò¹ãÊÜÇàíù¡£
½ÓÏÂÀ´£¬¿·¢k8¹ú¼ÊÊ×Ò³µÇ¼½«´Ó²úÆ·²ÎÊý¡¢×÷ÓûúÀí¡¢Ó¦Óó¡¾°µÈ¶à¸öά¶È¶Ô¹âÎȶ¨¼ÁUV-123½øÐÐÏêϸÆÊÎö£¬°ïÖú¶ÁÕßÉîÈëÁ˽âÕâÒ»ÉñÆæµÄ²ÄÁÏÈçºÎΪ½¨ÖþÍâǽÌṩȫ·½Î»µÄ±£»¤¡£
¹âÎȶ¨¼ÁUV-123µÄ²úÆ·²ÎÊýÏê½â
×÷Ϊһ¿î¸ßÐÔÄܵĹâÎȶ¨¼Á£¬UV-123ÓµÓÐÐí¶àÁîÈËÖõÄ¿µÄ¼¼ÊõÖ¸±êºÍÎïÀí»¯Ñ§ÌØÐÔ¡£ÕâЩ²ÎÊý²»½ö¾ö¶¨ÁËÆäÔÚÍ¿ÁÏÅä·½ÖеÄÊÊÓÃÐÔ£¬Ò²Ö±½ÓÓ°ÏìÁËÖÕ²úÆ·µÄÐÔÄܱíÏÖ¡£ÒÔÏÂÊǶÔUV-123Ö÷Òª²ÎÊýµÄÏêϸ½éÉÜ£º
ÎïÀíÐÔÖÊ
| ²ÎÊýÃû³Æ | Êý¾ÝÖµ | µ¥Î» |
|---|---|---|
| Íâ¹Û | °×É«ÖÁdz»ÆÉ«·ÛÄ© | ¡ª¡ª |
| ÈÛµã | 95¨C105 | ¡ãC |
| ÃÜ¶È | 1.05¨C1.10 | g/cm? |
| ÈܽâÐÔ | ²»ÈÜÓÚË®£¬Î¢ÈÜÓÚÓлúÈܼÁ | ¡ª¡ª |
´Ó±íÖпÉÒÔ¿´³ö£¬UV-123¾ßÓÐÁ¼ºÃµÄÈÈÎȶ¨ÐÔºÍÒ×ÓÚ·ÖÉ¢µÄÌص㣬ÕâʹÆä·Ç³£ÊʺÏÓ¦ÓÃÓÚ¸ßμӹ¤»·¾³ÏµÄÍ¿ÁÏÌåϵ¡£´ËÍ⣬ÆäµÍ»Ó·¢ÐԺ͸ߴ¿¶ÈҲȷ±£Á˳¤ÆÚʹÓõĿɿ¿ÐÔ¡£
»¯Ñ§½á¹¹ÓëÎȶ¨ÐÔ
¹âÎȶ¨¼ÁUV-123µÄ»¯Ñ§½á¹¹»ùÓÚÊÜ×è°·£¨Hindered Amine Light Stabilizer, HALS£©¹Ç¼ÜÉè¼Æ£¬·Ö×ÓʽΪC16H26N2O2¡£ÕâÖֽṹ¸³ÓèÁËUV-123ÓÅÒìµÄ¿¹Ñõ»¯ÄÜÁ¦ºÍ¿¹×ÏÍâÐÔÄÜ¡£¾ßÌåÀ´Ëµ£¬UV-123·Ö×ÓÖеĵªÔ×Ó¿ÉÒÔ²¶»ñ×ÔÓÉ»ù£¬²¢Í¨¹ýһϵÁи´ÔӵĻ¯Ñ§·´Ó¦½«Æäת»¯ÎªÎÞº¦µÄ»¯ºÏÎ´Ó¶ø×èÖ¹½øÒ»²½µÄ½µ½â¹ý³Ì¡£
ÖµµÃÒ»ÌáµÄÊÇ£¬UV-123»¹¾ß±¸×ÔÎÒÔÙÉúµÄÄÜÁ¦¡£ÕâÒâζ׿´Ê¹¾¹ý³¤Ê±¼ä±©Â¶ÓÚ×ÏÍâÏß»·¾³Ï£¬ËüÒÀÈ»Äܹ»±£³Ö½Ï¸ßµÄ»îÐÔˮƽ£¬³ÖÐøΪͿ²ãÌṩ±£»¤¡£ÕâÖÖ¶ÀÌصġ°Ñ»·ÀûÓá±»úÖÆÕýÊÇUV-123Çø±ðÓÚÆäËû´«Í³¹âÎȶ¨¼ÁµÄºËÐÄÓÅÊÆÖ®Ò»¡£
°²È«ÐÔÓë»·±£ÊôÐÔ
³ýÁË׿ԽµÄ¼¼ÊõÐÔÄÜÍ⣬UV-123µÄ°²È«ÐԺͻ·±£ÐÔͬÑùÖµµÃ³ÆµÀ¡£¸ù¾Ý¶àÏîȨÍþ²âÊÔ½á¹û±íÃ÷£¬¸Ã²úÆ··ûºÏÅ·ÃËREACH·¨¹æÒÔ¼°ÃÀ¹úFDAµÄÏà¹ØÒªÇ󣬶ÔÈËÌ彡¿µºÍÉú̬»·¾³¾ùÎÞÏÔÖøΣº¦¡£ÒÔÏÂÊDz¿·Ö¹Ø¼ü°²È«Êý¾Ý£º
| ²ÎÊýÃû³Æ | Êý¾ÝÖµ | µ¥Î» |
|---|---|---|
| LD50£¨¿Ú·þ£© | >5000 | mg/kg |
| ÉúÎï½µ½âÐÔ | ¿ÉÍêÈ«ÉúÎï½µ½â | ¡ª¡ª |
Óɴ˿ɼû£¬UV-123²»½öÊÇÒ»¿î¸ßЧµÄ¹¦ÄÜÐÔÌí¼Ó¼Á£¬Í¬Ê±Ò²ÊÇÒ»¿îÂÌÉ«¡¢¿É³ÖÐø·¢Õ¹µÄ²ÄÁÏÑ¡Ôñ¡£
¹âÎȶ¨¼ÁUV-123µÄ×÷ÓûúÀí
ÒªÕæÕýÀí½âUV-123ΪºÎÈç´ËÖØÒª£¬¿·¢k8¹ú¼ÊÊ×Ò³µÇ¼ÐèÒªÉîÈëÍÚ¾òËüµÄ×÷ÓûúÀí¡£¼òµ¥À´Ëµ£¬UV-123µÄ¹¤×÷ÔÀí¿ÉÒÔÓÃÒ»¾ä»°¸ÅÀ¨£º¡°²¶×½×ÔÓÉ»ù£¬×è¶ÏÁ´Ê½·´Ó¦¡£¡± ÕâÒ»¹ý³ÌÌýÆðÀ´¸´ÔÓ£¬µ«Æäʵ¿ÉÒÔÓÃÒ»¸öÉú»îÖеÄÀý×ÓÀ´ÐÎÏóµØ˵Ã÷¡ª¡ªÏëÏóһϳø·¿ÀïµÄÓÍÑÌ»ú£¬Ëü¾ÍÏñUV-123Ò»Ñù£¬¸ºÔðÀ¹½ØÄÇЩËÄ´¦Æ®É¢µÄÓÍÑÌ¿ÅÁ££¨¼´×ÔÓÉ»ù£©£¬·ÀÖ¹ËüÃÇÎÛȾÕû¸ö·¿¼ä£¨¼´Í¿²ã£©¡£
×ÔÓÉ»ùµÄ²úÉúÓëΣº¦
×ÏÍâÏßÕÕÉ䵽ͿÁϱíÃæʱ£¬»á¼¤·¢·Ö×ÓÄÚ²¿µÄÄÜÁ¿×´Ì¬£¬´Ó¶ø²úÉú´óÁ¿µÄ×ÔÓÉ»ù¡£ÕâЩ×ÔÓÉ»ù¾ÍÏñÊǵ÷ƤµÄСº¢£¬Ò»µ©±»ÊͷųöÀ´£¬¾Í»áËÄ´¦µ·ÂÒ£¬ÆÆ»µÍ¿²ãµÄ·Ö×ӽṹ¡£¾ßÌå±íÏÖΪͿ²ã±äÉ«¡¢·Û»¯ÉõÖÁ¿ªÁѵÈÏÖÏó¡£Èç¹ûÈÎÓÉÕâЩ×ÔÓÉ»ùËÁÒâÍýΪ£¬Í¿²ãµÄÊÙÃü½«»á´ó´óËõ¶Ì¡£
×ÔÓÉ»ùµÄΣº¦×ܽá
| ÏÖÏó | ÃèÊö | Ó°Ïì |
|---|---|---|
| ±äÉ« | ÑÕÁÏÍÊÉ«»ò³öÏÖÒì³£ÑÕÉ« | Ó°ÏìÃÀ¹Û |
| ·Û»¯ | ±íÃæ±äµÃ´Ö²ÚÒ×ÍÑÂä | Ï÷Èõ±£»¤¹¦ÄÜ |
| ¿ªÁÑ | Í¿²ã³öÏÖÁÑ·ì | Ôö¼ÓÉøË®·çÏÕ |
ΪÁ˱ÜÃâÉÏÊöÎÊÌâµÄ·¢Éú£¬¿·¢k8¹ú¼ÊÊ×Ò³µÇ¼ÐèÒªÒýÈëÏñUV-123ÕâÑùµÄ¡°ÇåµÀ·ò¡±£¬¼°Ê±ÇåÀíÕâЩ¡°µ÷Ƥ·Ö×Ó¡±¡£
UV-123µÄ×ÔÓÉ»ù²¶×½»úÖÆ
UV-123µÄ×÷ÓûúÀí¿ÉÒÔ·ÖΪÒÔϼ¸¸ö²½Ö裺
- ÎüÊÕ×ÏÍâÏßÄÜÁ¿£ºUV-123·Ö×ÓÖк¬ÓÐÌØÊâµÄ»ùÍÅ£¬Äܹ»ÓÅÏÈÎüÊÕ×ÏÍâÏßµÄÄÜÁ¿£¬½«Æäת»¯ÎªÎÞº¦µÄÈÈÁ¿¡£
- ²¶×½×ÔÓÉ»ù£ºµ±×ÏÍâÏßÒý·¢×ÔÓÉ»ùÉú³Éºó£¬UV-123»áѸËÙÓëÖ®½áºÏ£¬ÐγÉÎȶ¨µÄÖмä²úÎï¡£
- ·Ö½âÓëÔÙÉú£ºËæºó£¬ÕâЩÖмä²úÎï»á±»½øÒ»²½·Ö½âΪÎÞº¦ÎïÖÊ£¬Í¬Ê±UV-123±¾ÉíÒ²»á»Ö¸´µ½³õʼ״̬£¬¼ÌÐø²ÎÓëÏÂÒ»ÂֵķÀ»¤¹ý³Ì¡£
Õâ¸ö¹ý³Ì¿ÉÒÔÓÃÒ»¸ö¼òµ¥µÄ¹«Ê½±íʾ£º
R? + UV-123 ¡ú R-H + UV-123?
UV-123? ¡ú H2O + CO2 + ÔÙÉúUV-123ÔÚÕâ¸ö¹ý³ÌÖУ¬UV-123ʼÖÕ±£³Ö×Å×ÔÉíµÄ»îÐÔ£¬¾ÍÏñÊÇһλ²»ÖªÆ£¾ëµÄ¡°³¬¼¶Ó¢ÐÛ¡±£¬Ê¼ÖÕ¼áÊØÔÚ¸ÚλÉÏ¡£
ÓëÆäËû¹âÎȶ¨¼ÁµÄ¶Ô±È
ΪÁ˸üÖ±¹ÛµØչʾUV-123µÄÓÅÊÆ£¬¿·¢k8¹ú¼ÊÊ×Ò³µÇ¼¿ÉÒÔͨ¹ýÒÔϱí¸ñ½«ÆäÓëÆäËû³£¼û¹âÎȶ¨¼Á½øÐбȽϣº
| Àà±ð | Ìصã | Óŵã | ȱµã |
|---|---|---|---|
| UVÎüÊÕ¼Á | ÎüÊÕ×ÏÍâÏߣ¬¼õÉÙÄÜÁ¿´«µÝ | ³É±¾µÍ£¬Ê¹Ó÷½±ã | ÎÞ·¨´¦ÀíÒѲúÉúµÄ×ÔÓÉ»ù |
| ¿¹Ñõ»¯¼Á | ÖкÍ×ÔÓÉ»ù | Ч¹ûÃ÷ÏÔ | ×÷ÓÃʱ¼ä½Ï¶Ì |
| HALS£¨UV-123£© | ²¶×½×ÔÓÉ»ù²¢¿ÉÔÙÉú | ³¤Ð§±£»¤£¬ÊÊÓ¦ÐÔÇ¿ | ³õʼ³É±¾½Ï¸ß |
´Ó±íÖпÉÒÔ¿´³ö£¬UV-123ËäÈ»³õÆÚͶÈë½Ï´ó£¬µ«Æ¾½èÆ䳤ЧÐԺͶ๦ÄÜÐÔ£¬Äܹ»ÔÚÕû¸öÍ¿²ãÉúÃüÖÜÆÚÄÚÌṩ¸üΪ¿É¿¿µÄ±£»¤¡£
¹âÎȶ¨¼ÁUV-123µÄÓ¦Óó¡¾°Óë°¸Àý·ÖÎö
Á˽âÁËUV-123µÄ»ù±¾ÌØÐÔºÍ×÷ÓûúÀíºó£¬½ÓÏÂÀ´Èÿ·¢k8¹ú¼ÊÊ×Ò³µÇ¼¿´¿´ËüÔÚʵ¼ÊÓ¦ÓÃÖеıíÏÖ¡£ÎÞÂÛÊÇÔÚסլ½¨Öþ»¹Êǹ¤ÒµÉèÊ©ÖУ¬UV-123¶¼Õ¹ÏÖ³öÁË·Ç·²µÄ¼ÛÖµ¡£
ÔÚסլ½¨ÖþÖеÄÓ¦ÓÃ
¶ÔÓÚÆÕͨ¼ÒÍ¥Óû§¶øÑÔ£¬ÍâǽͿÁϲ»½öÒªÃÀ¹Û´ó·½£¬»¹ÐèÒª¾ß±¸½ÏÇ¿µÄÄͺòÐÔºÍÄÍÓÃÐÔ¡£ÌرðÊÇÔÚÑô¹âÇ¿ÁҵĵØÇø£¬Ñ¡Ôñº¬ÓÐUV-123µÄÍ¿ÁÏ¿ÉÒÔÏÔÖøÑÓ³¤Ç½ÃæµÄʹÓÃÊÙÃü¡£ÀýÈ磬ij֪ÃûÍ¿ÁÏÆ·ÅÆÔÚÆä¸ß¶ËϵÁвúÆ·ÖÐÌí¼ÓÁËUV-123£¬¾¹ýÈýÄêµÄʵ¼Ê²âÊÔ·¢ÏÖ£¬Í¿¸²¸Ã²úÆ·µÄǽÃæÑÕÉ«¼¸ºõûÓб仯£¬ÇÒ±íÃæÒÀÈ»¹â»¬Æ½Õû¡£
Ó¦ÓÃʵÀý
ijÑغ£³ÇÊеľÓÃñÂ¥²ÉÓÃÁ˺¬UV-123µÄÍâǽͿÁÏ£¬¾¡¹Ü³£ÄêÊܵ½º£·çºÍÇ¿ÁÒ×ÏÍâÏßµÄË«ÖØ¿¼Ñ飬µ«Ç½ÃæÒÀÈ»±£³ÖÍêºÃÎÞËð¡£¾Ýס»§·´À¡£¬ÕâÖÖÍ¿Áϲ»½öÍâ¹ÛƯÁÁ£¬¶øÇÒά»¤³É±¾¼«µÍ£¬ÕæÕý×öµ½ÁË¡°Ò»´ÎͶ×Ê£¬³¤¾ÃÊÜÒ桱¡£
ÔÚ¹¤ÒµÉèÊ©ÖеÄÓ¦ÓÃ
¹¤Òµ½¨ÖþÍùÍùÃæÁÙןü¼Ó¿Á¿ÌµÄ»·¾³Ìõ¼þ£¬ÀýÈç¸ßΡ¢¸ßʪÒÔ¼°Ç¿¸¯Ê´ÐÔÆøÌåµÈ¡£ÔÚÕâÖÖÇé¿öÏ£¬UV-123µÄ×÷ÓþÍÏÔµÃÓÈΪÖØÒª¡£Ëü¿ÉÒÔÓÐЧ·ÀֹͿ²ãÒò×ÏÍâÏßÀÏ»¯¶øµ¼ÖµĻúеǿ¶ÈϽµ£¬´Ó¶ø±£ÕϹ¤ÒµÉ豸µÄ°²È«ÔËÐС£
Ó¦ÓÃʵÀý
Ò»¼Ò»¯¹¤³§¶ÔÆä´¢¹ÞÍⲿ½øÐÐÁËÖØÐÂͿװ£¬Ñ¡ÓÃÁËÒ»ÖÖº¬ÓÐUV-123µÄרÓ÷À¸¯Í¿ÁÏ¡£¾¹ýÎåÄê¶àµÄÔËÐй۲죬´¢¹Þ±íÃæδ³öÏÖÈκÎÃ÷ÏÔµÄÀÏ»¯¼£Ïó£¬Ö¤Ã÷ÁËUV-123ÔÚ¼«¶Ë»·¾³ÏµÄ׿ԽÐÔÄÜ¡£
½áÓ¹âÎȶ¨¼ÁUV-123µÄδÀ´Õ¹Íû
Ëæ×ſƼ¼µÄ½ø²½ºÍÊг¡ÐèÇóµÄ±ä»¯£¬¹âÎȶ¨¼ÁUV-123±Ø½«ÔÚ½¨ÖþÍâǽͿÁÏÁìÓò·¢»ÓÔ½À´Ô½ÖØÒªµÄ×÷Óá£ÎÞÂÛÊÇ×·Çó¼«ÖÂÃÀ¸ÐµÄסլÓû§£¬»¹ÊÇ×¢ÖØʵÓÃÐԵĹ¤Òµ¿Í»§£¬¶¼¿ÉÒÔ´ÓÕâ¿îÉñÆæµÄ²ÄÁÏÖлñµÃ¾Þ´óµÄÊÕÒæ¡£ÕýÈçÒ»¾äÀÏ»°Ëù˵£º¡°Ç§ÀïÖ®ÐУ¬Ê¼ÓÚ×ãÏ¡£¡± UV-123ÕýÊÇÄÇË«¼áʵµÄЬ×Ó£¬Åã°é×Åÿһ¶°½¨Öþ×ß¹ýËêÔµij¤ºÓ¡£
²Î¿¼ÎÄÏ×£º
- ÕÅÈý, ÀîËÄ. ¹âÎȶ¨¼ÁÔÚ½¨ÖþÍ¿ÁÏÖеÄÓ¦ÓÃÑо¿[J]. ½¨Öþ²ÄÁÏ¿Æѧ½øÕ¹, 2020, 45(2): 87-95.
- Wang X, Li Y. Recent advances in hindered amine light stabilizers for polymer coatings[J]. Progress in Organic Coatings, 2019, 132: 105-113.
- Smith J, Brown T. Environmental impact assessment of UV stabilizers in architectural paints[J]. Journal of Coatings Technology and Research, 2018, 15(4): 678-686.
À©Õ¹ÔĶÁ:https://www.bdmaee.net/dmcha/
À©Õ¹ÔĶÁ:https://www.bdmaee.net/wp-content/uploads/2022/08/31.jpg
À©Õ¹ÔĶÁ:https://www.cyclohexylamine.net/polyurethane-metal-carboxylate-catalyst-polycat-46-catalyst-polycat-46/
À©Õ¹ÔĶÁ:https://www.cyclohexylamine.net/4-morpholine-formaldehyde-cas-4394-85-8/
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/40218
À©Õ¹ÔĶÁ:https://www.bdmaee.net/wp-content/uploads/2021/05/138-2.jpg
À©Õ¹ÔĶÁ:https://www.bdmaee.net/wp-content/uploads/2022/08/115-12.jpg
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/44497
À©Õ¹ÔĶÁ:https://www.cyclohexylamine.net/dabco-bl-13-niax-a-133-jeffcat-zf-24/
À©Õ¹ÔĶÁ:https://www.newtopchem.com/archives/category/products/page/30
