Epoxidation ea HTPB: Ts'ebetso le Tšebeliso
Epoxidation ea HTPB: Ts'ebetso le Tšebeliso
Hydroxyl-terinated polybutadiene (HTPB)ke polymer e feto-fetohang e tsebahalang ka thepa ea eona e ntle ea mochini, mocheso o tlase oa phetoho ea likhalase,
le khanyetso e phahameng ea lik'hemik'hale le boemo ba leholimo. E 'ngoe ea mekhoa ea bohlokoa ea ho fetola HTPB ho ntlafatsa thepa ea eona ke epoxidation. Epoxidation
ea HTPB e kenyelletsa ho eketsoa ha lihlopha tsa epoxide ho mokokotlo oa polymer, e leng se hlahisang boitsebiso bo fetotsoeng bo nang le litšobotsi tse ntlafetseng tsa ts'ebetso.
Sengoliloeng sena se hlahloba epoxidation ea HTPB, ts'ebetso ea eona, le ts'ebeliso lits'ebetsong tse fapaneng.
Theepoxidation ea hydroxyl-terinated polybutadiene (HTPB) ke mohato oa bohlokoa oa ho kopanya thepa e tsoetseng pele e nang le thepa e ntlafalitsoeng.
Ts'ebetso ena e kenyelletsa karabelo ea HTPB ka moemeli oa epoxidizing, joalo ka peracetic acid kapa hydrogen peroxide, ho hlahisa lihlopha tsa epoxide hammoho.
ketane ea polymer. Phetoho ena e fana ka khanyetso e ntlafalitsoeng ea lik'hemik'hale, ho khomarela, le botsitso ba mocheso ho HTPB, e etsa hore e tšoanelehe bakeng sa sebaka se pharaletseng.
mefuta e fapaneng ya ditshebediso.
E 'ngoe ea melemo ea bohlokoa ea ts'ebetso eaHTPB e nang le epoxidizedke litšobotsi tsa eona tse matlafalitsoeng tsa ho khomarela. Ho kenngoa ha lihlopha tsa epoxide ho eketsa ho lumellana
ea HTPB e nang le li-substrates tse fapa-fapaneng, tse lebisang ho ntlafatseng ho khomarela lits'ebetsong tsa sekhomaretsi le sealant. Ho feta moo, HTPB e nang le epoxidized e bonts'a khanyetso e ntle haholo
ho lihlapolli, libeso le oli, ho e etsa khetho e nepahetseng bakeng sa lirafshoa, likhomaretsi le li-sealant libakeng tse boima.
Ho feta moo, theepoxidation ea HTPBe etsa hore ho be le botsitso bo ntlafetseng ba mocheso le ho fokotseha ha lelakabe. Ho ba teng ha lihlopha tsa epoxide ho ntlafatsa polymer
ho hanyetsa mocheso le lelakabe, ho etsa hore e tšoanelehe ho sebelisoa sebakeng sa lifofane, likoloi, le lisebelisoa tsa kaho moo ts'ireletso ea mollo e leng taba ea bohlokoa.
Ho feta moo, HTPB e nang le epoxidized e ka sebelisoa e le tlamahano ha ho etsoa lisebelisoa tse nang le ts'ebetso e phahameng, e fanang ka thepa e ntlafalitsoeng ea mochini.
le durability.
Bakeng sa tšebeliso,HTPB e nang le epoxidizede fumana lits'ebetso ka har'a liindasteri tse fapaneng. Lefapheng la lifofane, e sebelisoa ha ho etsoa li-adhesives,
metsoako ea lipitsa, le li-sealant bakeng sa ho kopanya le ho tiisa likarolo tsa bohlokoa. Ho khomarela ha eona hantle le ho hanyetsa lik'hemik'hale ho etsa hore e be khetho e nepahetseng bakeng sa
lisebelisoa tsa sepakapaka moo ho ts'epahala le ts'ebetso e leng tsa bohlokoa.
Ho feta moo, indastering ea likoloi,HTPB e nang le epoxidizede sebelisoa ho hlahisa li-coatings, sealants, le li-encapsulants bakeng sa likarolo tsa elektronike le
lits'ebetso tse tlase. Bokhoni ba eona ba ho mamella ho pepesetsoa maro a likoloi le maemo a tikoloho bo etsa hore e be thepa e ratoang bakeng sa likoloi.
dikopo tsa tiiso le tshireletso.
Ho feta moo,HTPB e nang le epoxidizede sebelisoa indastering ea kaho bakeng sa ho etsa liphaephe tse sebetsang hantle haholo, likhomaretsi le li-sealant bakeng sa meralo ea meralo,
liindasteri, le lits'ebetso tsa meaho. Ho khomarela ho holimo, boemo ba leholimo, le ho hanyetsa lik'hemik'hale ho etsa hore e be thepa ea bohlokoa bakeng sa ho sireletsa le ho ntlafatsa.
ho tšoarella ha thepa ea kaho.
Qetellong, theepoxidation ea HTPBe hlahisa thepa e fetotsoeng e nang le litšobotsi tse ntlafetseng tsa ts'ebetso, e etsang hore e tšoanelehe bakeng sa mefuta e mengata ea lisebelisoa
ho pholletsa le liindasteri tse fapaneng. Ho khomarela ho ntlafetseng, ho hanyetsa lik'hemik'hale, botsitso ba mocheso, le ho fokotseha ha lelakabe la epoxidized HTPB ho etsa hore e be thepa ea bohlokoa bakeng sa
ho etsa lirafshoa tse tsoetseng pele, likhomaretsi, li-sealants le lisebelisoa tse kopaneng. Ha lipatlisiso le nts'etsopele ea phetoho ea polymer e ntse e tsoela pele,
HTPB ea epoxidized e lebelletsoe ho bapala karolo ea bohlokoa ho nts'etsopele ea lisebelisoa tse sebetsang hantle bakeng sa lits'ebetso tse fapaneng tsa indasteri.
Re fana ka mefuta e fapaneng eaHTPB,epoxidation ea HTPB,Sehlopha se le seng sa Hydroxyl HTPB,HTPB ea haedrojene...
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