Ka ntshetsopele e potlakileng lefapheng la polasetiki e matlafalitsoeng ka khalase e entsoeng ka boenjiniere,thepa e thehiloeng ho resin ea phenolicli sebelisitsoe haholo liindastering tse fapaneng. Sena se bakoa ke boleng ba tsona bo ikhethang, matla a phahameng a mechini, le ts'ebetso e ntle haholo. E 'ngoe ea thepa ea bohlokoa ka ho fetisisa kethepa ea resin ea khalase ea phenolic fiber.
Phenolic khalase faeba, har'a li-resin tsa pele tsa maiketsetso tse entsoeng indastering, hangata ke polycondensate e entsoeng ke polymerization ea li-phenol le aldehydes ha ho na le catalyst ea alkaline. Lisebelisoa tse ling li kenngoa ho hokahanya sebopeho sa macromolecular, li se fetola sebopeho sa macromolecular se sa qhibiliheng le se sa keneng, ka hona se fetoha sebopeho se tloaelehileng.thepa ea polymer ea thermosettingLi-resin tsa phenolic li ananeloa haholo ka lebaka la thepa ea tsona e ikhethang, ho kenyeletsoa le ho lieha ha malakabe ho babatsehang, botsitso ba litekanyo, le matla a matle a mechini. Litšobotsi tsena li susumelitse lipatlisiso tse pharaletseng le ts'ebeliso ea thepa ea resin ea khalase ea phenolic fiber.
Ha moruo oa indasteri o ntse o hatela pele ka potlako, litlhoko tse ntseng li eketseha li beoa tšebetsong ea thepa ea faeba ea khalase ea phenolic.likhoele tsa khalase tsa phenolic tse fetotsoeng tse matla haholo le tse hanelang mochesoli ntse li ntlafatsoa le ho sebelisoa haholo.Resin ea phenolic e ntlafalitsoeng e matlafalitsoeng ka khalase (FX-501)hajoale ke e 'ngoe ea thepa ea resin ea khalase ea phenolic e fetotsoeng ka katleho e kholo. Ke mofuta o mocha oa thepa ea phenolic e fetotsoeng le e matlafalitsoeng e entsoeng ka ho kenyelletsa likhoele tsa khalase ho matrix ea pele ea resin ka ho kopanya.
Matlotlo a Mekaniki le Mesebetsi ea Karolo
Phenolic khalase faeba resinhangata e khethoa e le matrix bakeng sathepa e sa tsofaleng, e sa tenyetseheng, le e hatelletsoengka lebaka la matla a eona a ho thapolla, ho hanyetsa di-solvent, le thepa e ntle ya mechini jwalo ka ho thibela malakabe.thepa ea matrixhaholo-holo e sebetsa e le sehokelo, e hokahanya likarolo tsohle ka tlhaho.Likhoele tsa khalaseli sebetsa e le li-unit tse ka sehloohong tse jarang mojaro ka thepa e sa tsofaleng, li fana ka bokhoni ba ho jara mojaro, 'me ts'ebetso ea tsona e phahameng e ama ka kotloloho phello ea ho matlafatsa matrix.
Karolo ea thepa ea matrix ke ho tiisa likarolo tse ling tsa thepa e tenang, ho netefatsa hore meroalo e fetisetsoa ka ho lekana, e ajoa, 'me e abeloa likhoele tse fapaneng tsa khalase. Sena se fana ka matla le ho tiea ho itseng ho thepa. Likhoele tse tloaelehileng, ho kenyeletsoa likhoele tsa khalase, likhoele tsa tlhaho, likhoele tsa tšepe le likhoele tsa diminerale, li bapala karolo ho fetoleng matla a ho tena a thepa.
Ho jara mojaro ka metsoako le tšusumetso ea litaba tsa faeba
In thepa e kopaneng ea khalase ea phenolic fiberlitsamaiso, ka bobelilikhoele le resin ea matrix li jara mojaro, ka likhoele tsa khalase tse setseng e le mojari oa mantlha oa mojaro. Ha metsoako ea faeba ea khalase ea phenolic e kobeha kapa e hatelloa, khatello e fetisetsoa ka ho lekana ho tloha ho resin ea matrix ho ea ho likhoele tsa khalase ka bonngoe ka har'a sebopeho, e qhalanya matla a tsamaisoang ka katleho. Ts'ebetso ena e ntlafatsa thepa ea mechini ea thepa e kopantsoeng. Ka hona, keketseho e loketseng eadikahare tsa faeba ya khalase di ka ntlafatsa matla a dikompositi tsa faeba ya khalase ya phenolic.
Liphetho tsa liteko li bontša tse latelang:
- Metswako ea khalase ea phenolic fiber e nang le 20% ea fiber ea khalaseli bontša kabo e sa lekanang ea faeba, 'me libaka tse ling li bile li haelloa ke faeba.
- Metswako ea khalase ea phenolic fiber e nang le 50% ea fiber ea khalaseli bontša kabo e tšoanang ea faeba, libaka tse sa tloaelehang tsa ho robeha, 'me ha ho na matšoao a bohlokoa a ho huloa ha faeba ho hoholo. Sena se bontša hore lifaeba tsa khalase li ka jara mojaro hammoho, e leng se fellang kamatla a phahameng a ho thiba.
- Ha tekanyo ea fiber ea khalase e le 70%, dikahare tse feteletseng tsa faeba di lebisa ho dikahare tse tlase tsa resin ya matrix. Sena se ka baka diketsahalo tse "fokolang resin" dibakeng tse ding, tsa sitisa phetiso ya kgatello le ho baka maemo a kgatello sebakeng seo. Ka lebaka leo, thepa yohle ya mechini ya thepa e kopaneng ya faeba ya khalase ya phenolice atisa ho fokotseha.
Ho tsoa liphuputsong tsena,Ho eketsa fiber ea khalase ka botlalo ho ka khonehang ho tsoa metsoakong ea fiber ea khalase ea phenolic ke 50%.
Ntlafatso ea Tshebetso le Lintlha tse Susumetsang
Ho tsoa ho data ea lipalo,metsoako ea khalase ea phenolic fibere nang le faeba ea khalase ea 50%pontsho e ka bangmatla a ho kokobela a makgetlo a mararolematla a khatello a makgetlo a maneha e bapisoa le resin e hloekileng ea phenolic. Ho phaella moo, lintlha tse ling tse susumetsang matla a polasetiki e matlafalitsoeng ea khalase ea phenolic li kenyelletsabolelele ba likhoele tsa khalasele tsa bonatataiso.
Nako ea poso: Phuptjane-18-2025
