Ukuzivelela kwemveliso ye-EPTRU libali elinomdla eliphuhlisileyo ixesha lokudala ishishini nge-Epoluren e-Alfren e-Alfren ehamba nge-ethowene kunye ne-forleadehyde. Le ngcombolo ibibizwa ngokuba yi "Epoxide", eyaziwa ngokuba yi-Eposxy ngokudibanisa nePolyol okanye e-Esters. Ngelixa le nkqubo yantlandlolo ineenkqubo ezininzi ezisebenzayo, ukusetyenziswa kwayo kuhlala kumiliselwa ngenxa yeendleko zayo kunye nokungabikho kwezinto ezikhoyo zoluhlaza. Ngo-1940 i-1940s abaphandi abaliqela basebenza ekuphuculeni ukwenziwa kwe-Epoxy kubandakanya indlela ye-richard yaseMelika efumanise ukuba i-Petrols ivela kwi-Petrols Axide kunye ne-phenol novolak resin. Kwangelo xesha kanye iBritish Sowarensi yaqala ukuzama ukunyanga i-Ageves eyahlukileyo efana ne-amacom kunye ne-acids ezikhokelela kwimveliso ephuculweyo enokuthi isetyenziselwe amandla okwenza oko ngaphambi kwexesha. Ngexesha leMfazwe Yehlabathi II Izicelo zomkhosi we-EPOxies inyukele ngokumangalisayo ibango labathengisi elikhokelayo lokukhulisa iipropathi ezinobushushu njengobushushu, njl njl njl. Ukuphuhliswa kwale teknoloji emva koko kwaqhubeka kakuhle kwi-1950s apho inkqubela phambili eyenziwe ngeendlela zokwenziwa kwemveliso kunye nokudityaniswa kwe-Asbestos efana ne-Asbestos efana ne-Asbestos enjengokuthi 'agcwalise i-Elastors (FRP). Ngokuqala kweenkqubo ezahlukeneyo ze-1960s zaphuculwa ngokwaneleyo ukuba iinkqubo zemveliso ye-Bulk zeBandla zinokuphunyezwa kophuhliso lwe-EPOCOSGERS kwi-EPOCIDS eguqulweyo kwiTemotiegy eguqulweyo kwiTeknoloji ye-Poimer efunekileyo Ukubandakanya uthuli lwedayimani elivumela abenzi lokutyala izixhobo afezekisa amanqanaba aphezulu e-Enhloment engaphambi nje kwamashumi nje amashumi amabini ngaphambi kweli xesha. Eli gamesi libonisa ukuba sele sifike njani ukusukela kwi-1884 ukonakaliswa kukonyusa izinto zokuhamba ngendaleko ngokuqhubekayo ngokuguqula izakhiwo ezidlulileyo zokunxibelelanisa izizukulwana ezidlulileyo ezingenelwa kakhulu kwihlabathi liphela.
Ixesha lePosi: NgoFebruwari-27 ukuya ku-4023