Cyanoacrylate m

… wani m cyanoacrylate na masana'antu ya tsaya tsayin daka mai nauyin ton 8,1 na awa daya. Don haka, an saita sabon rikodin duniya don taro mafi girma da manne ya ɗaga. A lokacin rikodin rikodin, an dakatar da motar daga crane a kan silinda na karfe tare da diamita na 7 cm kawai. An haɗa sassan biyu na silinda tare da 3M? Scotch Weld? Manne kai tsaye don filastik da roba PR100. Injiniya Jens Schoene da Dr. Markus Schleser na Jami'ar RWTH Aachen kuma ya fito a shirin talabijin na Jamus Terra Xpress. Wani alkali da ya halarta a Guinness World Records ya kalli gwajin sa'a guda kafin ya tabbatar da sabon tarihin a hukumance. Shin ƙungiyar Jamus ta buƙaci karya tarihin baya don samun nasara? mun yi nasarar wuce shi da nauyin kilogiram 90. Yayin da sabon rikodin duniya ya nuna aikin samfur na ban mamaki a cikin matsanancin yanayi, masana'antar cyanoacrylate adhesives suna da tasiri daidai a cikin aikin yau da kullun da kuma amfani da gida. Digo-digo kaɗan sun isa don samun haɗin gwiwa mai ƙarfi na ƙarfe da yawa, robobi da roba. Waɗannan mannen aiki da sauri sun haɗa ɗaruruwan haɗin kayan abu a cikin daƙiƙa biyar zuwa goma, tare da 80% na cikakken ƙarfin da aka samu a cikin awa ɗaya. Rikodin bidiyo http://www.youtube.com/watch?v=oWmydudM41c

Cyanoacrylate adhesives ne guda-bangare, sauri saitin methyl, ethyl da alkoxy tushen adhesives. An tsara su don haɗa nau'i daban-daban na kayan (roba, ƙarfe, itace, farji, farurantawa da kayan da suke da wahala a boye, kamar su polyolefins). Shin suna da nau'i daban-daban? daga siraran ruwa zuwa kauri ko jelly-kamar talakawa. Ana amfani da su don ƙananan ramuka, har zuwa iyakar 0,15 mm. Cyanoacrylate adhesives polymerize saboda aikin catalytic na yanayin zafi kuma suna da ɗan gajeren lokacin amsawa. Shi ya sa a wasu lokuta ake kiran su da man shafawa. Matsakaicin zafin jiki na yawancin nau'ikan yana daga 55 ° C zuwa + 95 ° C (tare da ƙari na mai daidaitawa mai dacewa, ana iya samun ƙarfi har zuwa +140 ° C). (misali PMMA, ABS, polystyrene, PVC , wuya, da kuma bayan yin amfani da na musamman firamare ko da wuya-to-bond robobi irin su polyethylene - PE da polypropylene - PP), elastomers (NBR, butyl, EPDM, SBR), fata, itace. . Shin waɗannan adhesives suna samun ƙarfin juzu'i? kamar 7 zuwa 20 N/mm2. Ƙarfin ya dogara da kayan da za a ɗaure, dacewa da sassan (haɗin gwiwa), zafin jiki da nau'in mannewa. Rashin lahani na waɗannan mannen wani lokacin ƙamshi ne mai ƙarfi? musamman m a low zafi. A halin yanzu, masana'antun suna haɓaka sabbin ƙarni na mannewa waɗanda ke ba ku damar haɗa abubuwan da ba su da ƙarfi, tare da manyan ramuka, tsarin wari, kuma ba sa haifar da sagging (" hayaki") akan haɗin gwiwa. Ganyayyaki suna da juriya ga mai da mai, zuwa ƙarancin ɗanshi, musamman a yanayin zafi mai tsayi. Duk da haka, shin suna riƙe matsayi mai mahimmanci a cikin masana'antu saboda sauƙin aiwatarwa da kuma saurin ƙarfafa ƙarfin hannu? na 'yan, 'yan dubunnan daƙiƙa.