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Yeyiphi into ebonakalayo ibhodi yeglasi yefayibrari epoxy

Yeyiphi into ebonakalayo ibhodi yeglasi yefayibrari epoxy

Yeyiphi imveliso yebhodi yeglasi yefrip epoxy? Yeyiphi impahla ibhodi epoxy nentlaka? Kungcono ukusebenzisa ezi zinto zilandelayo:

A. yi-epoxy resin, ebhekisa kwigama leepolymer ngokubanzi elinamaqela epoxy. Ilungele ikakhulu imithombo yeendaba eneepropathi ezonakalisayo. Inokuchasana kwealkali okubalaseleyo kwaye inokumelana nokubola kweeacidi ngokubanzi (ngaphandle kwehydrofluoric acid). Imfuno yee-epoxy resins kwintengiso ye-corrosion iye yehliswa kakhulu. Esona sizathu siphambili kukuba ii-resin zepolyester ezingafakwanga kwii-resin ezinganyangekiyo nokubola zikhule ngokukhawuleza kwaye kukho iintlobo ezininzi. Imakethi yasekhaya inesiqalo esinephepha se-polyester esingafakwanga, ngenxa yoko i-epoxy resins iseyeyona ntlobo iphambili ye-resin kwicandelo lokulwa nokubola. Ezona mpawu ziphambili ze-epoxy resin ngamandla aphezulu okubopha, ukuncipha okuphantsi, ukukrala kwemveliso ephezulu kunye nexabiso eliphezulu. Ubushushu bokusetyenziswa kwentlaka ephilisiweyo kubushushu begumbi abudluli kwi-80 ° C;

B. Ngummeli ophilisayo webhodi yeglasi yefayibha ye-epoxy) epoxy resin. Kukho iintlobo ezahlukeneyo ze-amine, i-acid anhydrides, i-resin compounds njalo njalo. Phakathi kwazo, iikhompawundi ze-amine zezona zisetyenziswa kakhulu. Zinokwahlulwa zibe zii-amine ezinamafutha, ii-amine ezinamakha kunye nee-amino eziguqulweyo. Iindidi ezininzi ze-amine, ezinje nge-ethylenediamine, m-phenylenediamine, xylylenediamine, polyamide, diethylenetriamine kunye nezinye iikhompawundi, zinetyhefu kwaye zinevumba, ngenxa yoko ngokuthe ngcembe zisetyenziswa zii-arhente ezintsha ezingezizo ityhefu nezinetyhefu ephantsi (ezinje nge: T4 , 31, C590, njl.

C. Yi-fr4 epoxy iglasi fiberboard exutywe. I-epoxy resin ihlala ihlanjululwa ngezinyibilikisi ezingasebenziyo ezinjenge-ethanol, i-acetone, i-benzene, i-toluene, i-xylene, njl. Njl. I-phenyl ether, i-polyglycidyl ether, njl njl.

D. It is a plasticizer kunye toughening arhente for fr4 epoxy iglasi fiberboard. I-epoxy resin elula iyaqaqamba emva kokunyanga, kwaye inefuthe elomeleleyo lokuqina, ukugoba amandla kunye nokumelana nobushushu. Iiplasticizers kunye nee-tougheners zihlala zisetyenziselwa ukwenza i-Resin inyuse iplastikhi, iphucula ubulukhuni, inyusa amandla okugoba kunye nefuthe lokuqina;

E. Yigcwalisi, umgubo, isimbuku esirhabaxa, isixa esirhabaxa, kunye neeflaski zeglasi ngokudibeneyo kubizwa ngokuba kukugcwalisa. Ukongeza ii-fillers ezifanelekileyo kunokunciphisa iindleko zemveliso kunye nokuphucula ukusebenza kwayo. Isixa sokugcwalisa kwiglu sisisixhobo se-resin ngesixa esiyi-20-40% (ubunzima), isixa sinokuba ngaphezulu xa ulungiselela i-putty, ngokubanzi inokuba ngama-2 ukuya kuma-4 amaxesha isixa se-resin, umgubo osetyenziswa ngokuxhaphakileyo ngumgubo we-quartz, i-porcelain umgubo, ukongeza umgubo wegraphite, umgubo oqaqambileyo weRock, umgubo we-talcum, umgubo we-mica, njl.