I-HPMC (i-hydroxypropyl methyl selsulose) yinto esetyenziswayo kwi-polymer esetyenziswayo kwizinto zokwakha, ngakumbi kwizixhobo ezisekwe kwizamente kunye nezixhobo ezisekwe kwiGypsim. Inamanzi alungileyo, ukubambelela, ukugcinwa kwamanzi kunye neepropathi ezinkulu, ngoko ke kusetyenziswa daka kudaka, i-pople powder, i-tile kunye nezinye izinto.
1. Unobangela wokuhluma kunye nokuqhekeka kwezinto zokwakha
Ngexesha lenkqubo yokukhanya, izinto zokwakha zihlala zincipha ngenxa yokuphuma kwamanzi, ukuphendula kweekhemikhali kunye nokutshintsha kwezinto zangaphandle zokusingqongileyo, okhokelela kuxinzelelo lwengcinezelo kunye nokuqulunqa uxinzelelo kunye nokuqulunqa uxinzelelo kunye nokuqulunqa uxinzelelo kunye nokuqulunqwa koxinzelelo. Iindidi eziphambili zeShinkige zibandakanya:
Iplastiki yeplastiki: Xa izinto ezisekwe kwisamente azikabimenza lukhuni, ivolumu iyancipha ngenxa yokuphuma kwamanzi ngokukhawuleza.
I-Shrinkage eyomileyo: Emva kwento enzima, ivezwe emoyeni ixesha elide, kwaye amanzi akhupha kancinci, okukhokelela kwivolumu shrinkage.
Iqondo lobushushu: Utshintsho lwevolumu ebangelwa lutshintsho lobushushu, ngakumbi kwindawo enomahluko omkhulu wobushushu phakathi kwemini nobusuku.
I-Autogenous Shrinkage: Ngexesha lenkqubo yokuhamba-quka, ivolumu yangaphakathi iyancipha ngenxa yokusetyenziswa kwamanzi ngentetho ye-hydration.
Ezi shrinkges zihlala zikhokelela ekuqokeleleni uxinzelelo ngaphakathi kwezinto, ekugqibeleni zibangela i-microcracks okanye i-rocks, ezichaphazela ukuqina kunye nokubulala ubume besakhiwo. Ukwenzela ukunqanda le nto, ii-ogretives zihlala zifuneka ukuphucula ukusebenza kwezinto, kwaye i-HPMC yenye yazo.
2. Indlela yokusebenza ye-HPMC
I-HPMC idlala indima ebalulekileyo ekunciphiseni i-shrinkage kunye nokuqhekeka kwezinto zokwakha, ezifezekiswa kakhulu kwezi ndlela zilandelayo:
Ukugcinwa kwamanzi: i-HPMC inomgangatho oqingqiweyo wokugcina amanzi kwaye inokwenza ifilimu yokugcina amanzi e-rhabaxa okanye i-powd yomgubo ukuze inciphise inqanaba lamanzi. Ukusukela ukuphuma kwamanzi ngaphakathi kwezinto eziya kubangela i-shrinkab yeplastiki, i-HPMC ye-HPMC inokunciphisa ngokufanelekileyo i-shrinkige yokuqala, ngaloo ndlela gcina i-hydrations epheleleyo yesamente kunye nokunciphisa imingxunya ye-shrinkgety ebangelwa Ukulahleka kwamanzi ngexesha lenkqubo yokomisa. Ukongeza, i-HPMC inokuphucula ukusebenza kwezinto eziphantsi kweemeko ezimanzi kunye ezomileyo kwaye zinciphise ukuqhekeka okubangelwa kukulahleka kwamanzi.
Ukuthambisa kunye nokomeleza: I-HPMC yi-thi chuoker enokuthi yandise ngokugqibeleleyo ukungqinelana kunye nokubonisa ukufakwa kodaka, kuphucula umbilini wezinto ezibonakalayo. Ngexesha lenkqubo yokwakha, ukuba loo nto icekeceke kakhulu, kulula ukulibazisa okanye isag, okukhokelela kumhlaba ongalinganiyo okanye nkqu nokutya. Ngokusebenzisa i-HPMC, udaka lungagcina i-viscofity efanelekileyo, yaphucula amandla kunye nokuxinana komhlaba kwezinto emva kokwakha, kunye nokunciphisa ukubakho. Ukongeza, i-HPMC inokuphucula ukumelana nokunganyangeki kwe-Shear kwaye kuphucule ukunganyangeki kwe-rack.
Ukuphuculwa kokuguquguquka kwezinto: I-HPMC Molekokas inokudlala indima ethile ekwandiseni izinto ezisekwe kwizixhobo ezisekwe kwimo yesamente okanye kwizinto ezisekwe kwi-gypsim, ukuze ukugoba ukungcungcutheka kokuphiliswa. Njengoko izinto zokwakha zihlala ziphantsi koxinzelelo okanye ukugoba uxinzelelo phantsi kotshintsho lobushushu obunobushushu kunye nokulayishwa kwe-HPMC, ukuguqula unyukelo lwezinto ezibonakalayo, olunokuphepha ukuqhekeka okungaphandle.
Lawula i-quation hydrationre yokuphendula yesamente: kwizinto ezisekwe kwimo yesamente, isantya sereyithi yokuphendula ye-hydration ichaphazela ngqo ukusebenza kwempahla. Ukuba impendulo ye-hydration ihamba ngokukhawuleza, uxinzelelo ngaphakathi kwezinto azinakukhutshwa ngexesha, ezikhokelela ekucokisekileyo. I-HPMC inokuthi icothe ngokufanelekileyo inqanaba le-hydration yokuphendula kwamanzi ngokugcinwa kwamanzi kunye nokukhusela ifilimu, kwaye kuthintele isamente ekuphulukaneni namanzi kwangoko, kwaye ke kuyapheka ngexesha lenkqubo yokuqinisa.
Ukuphuculwa kokuSebenza kokwakha: I-HPMC inokuphucula ukusebenza kwezinto zokwakha, kubonakaliswa kukugcinwa kwamanzi amnandi, ukugcinwa kwamanzi kunye nokugcina izinto, ukwandisa ukufana kwezinto, kwaye ukunciphisa imingxunya ebangelwe ngulwakhiwo olungafanelekanga. Inokwenza udaka, i-poceble yomgubo, njl njl.
I-3. Ukusetyenziswa kwe-HPMC kwizinto ezithile zokwakha
I-Tile Adhesive: I-HPMC inokuphucula kakhulu ukusebenza kwethayile ye-tile, kuqinisekisa ukuba iithayile zinokuqhotyoshelwa ngokulinganayo ngexesha lofakelo, kwaye zinciphise ukusetyenziswa koxinzelelo olungalinganiyo okanye i-shrintage. Ukongeza, iziphumo zokugcina amanzi kunye namanzi ze-HPMC zikwanika i-Tile ukubambelela kwixesha elivulekileyo emva kokwakhiwa, ukuphucula ukusebenza ngokukuko, kunye nokunciphisa imingxunya okubangelwa kukunyangwa okungalinganiyo.
I-POTTY POLDER: Kwi-posty powder, ipropathi yokugcina amanzi ye-HPMC inokuthintela i-itoty evela ekuphulukaneni namanzi ngokukhawuleza ngexesha lenkqubo yokomisa, kunye nokuqhekezwa okubangelwa kukulahleka kwamanzi. Kwangelo xesha, isiphumo esifanayo se-HPMC inokuphucula ukusebenza kwe-iutty, esenza kube lula ukusebenzisa udonga, kwaye kunciphise imingxunya engalinganiyo.
Udaka: ukongeza i-HPMC kudaka kunokuphucula ukusebenza kwayo ngokusebenzayo, yenza udaka ngokusebenza ngexesha lolwakhiwo, kwaye ke ukuphucula ukufana nokubiya kodaka. Kwangelo xesha, inkqubo yokugcinwa kwamanzi ye-HPMC inokwenza amanzi akhutshelwe ngokuthe ngcembe ngexesha lenkqubo yokufana kodaka, ukunqanda ukulahleka kwamanzi.
I-4. Izilumkiso zokusetyenziswa kwe-HPMC
Ulawulo lweDosage: Isixa se-HPMC songezwa sinempembelelo ngqo kwifuthe laso, kwaye ihlala kufuneka ilungiswe ngokwemilinganiselo kunye nemeko ethile yesicelo. I-HPMC egqithisileyo iya kubangela ukuba izinto ziphezulu kakhulu ngokungangqinelaniyo, ekuchaphazeleni ukusebenza kokwakha; Ngelixa i-HPMC engonelanga ayiyi kuba nakho ukudlala indima yokugcinwa kwamanzi kunye nokuthambisa njengoko kufanele.
Sebenzisa nezinye izongezelelo: I-HPMC ihlala isetyenziswa ngokudibeneyo kunye nezinye izinto ezongezelelekileyo zekhemikhali (njengabahambisi bamanzi, iiarhente zokungena zomoya, iplastiki, njl. Njl.) Ukufezekisa iziphumo ezingcono. Xa usebenzisa, kuyafuneka ukuba uqwalasele ukusebenzisana kweezongezo ezahlukeneyo ukuthintela ukwenzeka kwezinto.
Njengesonga ibalulekileyo yokwakha, i-HPMC inefuthe elibonakalayo ekunciphiseni i-shrinkage kunye nokuqhekeka kwezinto zokwakha. Inciphisa ngokufanelekileyo imigxobhozo ebangelwe yilahleko yamanzi kunye noxinzelelo ngokuphucula ukugcinwa kwamanzi, ukuguquguquka, ukuguquguquka kwezinto kunye nokuphucula i-qdication i-quation qdition yokuphendula. Ukusetyenziswa kwe-HPMC akunakuphucula ukwenziwa kwentsebenzo yokwakha kuphela kwezixhobo, kodwa kwangeka ubomi benkonzo yesakhiwo kwaye unciphise iindleko zolondolozo lwamva. Ngokwenza inkqubela phambili eqhubekayo yokwakha itekhnoloji yezinto eziphathekayo, ukusetyenziswa kwe-HPMC kwicandelo lokwakha kuya kuba nako ngakumbi kwaye kubunzulu.
I-Post Time: Sep-21 ukuya ku-2424