Update: Polyurea sokiri : O jẹ ohun elo elastomeric ti a gba nipasẹ iṣesi ti paati isocyanate ati amino yellow. ZHEJIAN...
Polyurea sokiri : O jẹ ohun elo elastomeric ti a gba nipasẹ iṣesi ti paati isocyanate ati amino yellow. ZHEJIANG RUICO Ilọsiwaju ohun elo CO., LTD. ṣafihan awọn ọna ti atọju alakoko nipasẹ spraying polyurea.
Isocyanates le jẹ aromatic tabi aliphatic. Lara wọn, paati A ti sokiri polyurea le jẹ awọn monomers, awọn polima, awọn itọsẹ isocyanate, prepolymers, ati ologbele-prepolymers. Prepolymers ati ologbele-prepolymers ti wa ni pese sile nipa fesi awọn agbo ogun pẹlu ebute amino awọn ẹgbẹ tabi hydroxyl awọn ẹgbẹ pẹlu isocyanates.
Awọn paati sokiri polyurea R yẹ ki o jẹ ti amino fopin resini ati ẹya amino fopin si pq extender. Resini-opin amine yẹ ki o jẹ ofe ni eyikeyi awọn paati hydroxyl ati awọn ayase, ṣugbọn o le ni awọn afikun ninu lati dẹrọ pipinka ti pigmenti.
Ni gbogbogbo, itọju abẹlẹ jẹ bọtini lati rii daju pe didara igbekalẹ polyurea ti a fọ, eyiti o le pin si irin ati awọn sobusitireti nja. Eyi ni Bii o ṣe le Mu Sobusitireti Polyurea mu
Itọju ipilẹ irin: akọkọ sandblast awọn dada si Sa2.5 ati ki o dan awọn ẹya abawọn bi awọn welds pẹlu iposii putty ki gbogbo ipilẹ le ti wa ni ti a bo pẹlu polyurea lati ṣe awọn iyipada dan, bbl Lo ohun igun grinder lẹhin iposii awọn putty hardens . Dan, lẹhinna nu mimọ, yipo tabi fẹlẹ lori awọn alakoko meji kanna.
Itọju dada ti polyurea sprayed nja sobsitireti: Shot-blast precast nja tabi lo ga titẹ igun grinders ati omi ibon lati yọ eruku ati asekale lati dada.
Lẹhin ti ipilẹ ti gbẹ patapata, ṣe ipele dada pẹlu ohun elo lilẹ. Lẹhin ti lile, apakan lilẹ gbọdọ wa ni didan pẹlu olutẹ igun kan. Lẹhinna yọ idoti kuro ni ilẹ pẹlu fẹlẹ tabi rola pẹlu alakoko to dara fun lilo nigbamii. Aarin ti o pọju laarin awọn ẹwu alakoko jẹ wakati 24 ati pe o kuru julọ jẹ wakati 3.
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