Ipayipi Lamanzi Ashisayo Nabandayo le-PB
Isingeniso sepayipi lamanzi ashisayo nabandayo le-PB
Ipayipi le-Polybutene (PB) liyi-polymer ene-molecule ephezulu engenawo ama-molecule. I-resin ye-PB iyinto eyenziwe nge-polymer eyenziwe nge-butene-1. Inobuningi obukhethekile be-crystal engu-0.937 g/cm3, okuwumzimba ohlukahlukene onokuguquguquka. Ingeyemikhiqizo yobuchwepheshe obuphezulu bezinto zamakhemikhali eziphilayo. Futhi inokumelana nokushisa okuphezulu, ukuqina, ukuqina kwamakhemikhali kanye ne-plasticity. Ayinambitheki, ayinabo ubuthi, ayinaphunga, inobubanzi bokushisa obuqala ku--30°C kuya ku-+100°C, futhi imelana nokubanda, imelana nokushisa, imelana nokucindezela, ayigqwali, ayiboli, ayikhuli, futhi ihlala isikhathi eside (iminyaka engu-50-100). Futhi inezici zokumelana nokuguga isikhathi eside. Ingenye yezinto zamakhemikhali ezisezingeni eliphezulu emhlabeni. Isetshenziswa kabanzi emazweni amaningi emhlabeni. Futhi inedumela "legolide epulasitiki".
Amapayipi amanzi abandayo nashisayo e-PB (polybutylene) asezingeni eliphezulu anemikhiqizo engu-24 isiyonke. Ahlukaniswe ngezinhlobo ezine kusukela ku-dnl6 kuya ku-dn32. Ngokusho kochungechunge lwamapayipi, ahlukaniswe ngezinhlobo eziyisithupha: i-S10, i-S8, i-S6.3, i-S5, i-S4 kanye ne-3 .2..
Ukuhlukaniswa Kwepayipi Lamanzi Ashisayo Nabandayo le-PB
Izithako zemvelo ezilahliwe ezikhiqizwa embonini ye-semiconductor ziyahlungwa futhi ziphinde zisetshenziswe ngaphansi kwezimo zenqubo ezihambisanayo ngedivayisi yokulungisa ukuze kukhiqizwe imikhiqizo efana nokukhipha uketshezi i-B6-1, ukukhipha uketshezi i-C01, kanye nokukhipha uketshezi i-P01. Le mikhiqizo isetshenziswa kakhulu ekukhiqizweni kwamaphaneli okubonisa i-liquid crystal, amasekethe ahlanganisiwe e-semiconductor kanye nezinye izinqubo.
Izici zepayipi lamanzi ashisayo nabandayo le-PB
1. Isisindo sayo silula, siyaguquguquka futhi kulula ukuyakha. Isisindo sepayipi le-PB cishe siyi-1/5 yepayipi lensimbi eligayiwe. Iguquguquka futhi kulula ukuyiphatha. Irediyasi encane yokugoba ingu-6D (D: ububanzi bangaphandle bepayipi). Isebenzisa uxhumano olushisayo oluncibilikayo noma uxhumano lwemishini, olulungele ukwakhiwa.
2. Ihlala isikhathi eside, ayinabo ubuthi futhi ayinangozi. Ngenxa yesisindo sayo esikhulu sama-molecule, isakhiwo sayo sama-molecule sizinzile. Ayinabo ubuthi futhi ayinangozi futhi iphila iminyaka engaphansi kwengu-50 ngaphandle kwemisebe ye-ultraviolet.
I-3.t inokumelana okuhle neqhwa kanye nokumelana nokushisa. Ngisho noma i--20°C, ingagcina ukumelana okuhle kokushisa okuphansi. Ngemva kokuncibilika, ipayipi libuyela esimweni salo sokuqala. Ngaphansi kwesimo esingu-100℃, zonke izici zokusebenza zisagcinwa kahle.
4. Inezindonga zamapayipi ezibushelelezi futhi ayilingani. Uma iqhathaniswa namapayipi agqitshwe nge-galvanized, ingandisa ukugeleza kwamanzi ngo-30%.
5. Kulula ukuyilungisa. Uma ipayipi le-PB ligqitshwe, aliboshelwa kukhonkolo. Uma lonakele, lingalungiswa ngokushesha ngokufaka ipayipi esikhundleni salo. Kodwa-ke, kungcono ukusebenzisa indlela ye-casing (ipayipi elisepayipini) yokungcwaba amapayipi epulasitiki. Okokuqala, mboza ipayipi le-PB ngepayipi elihlanganisiwe elinodonga olulodwa lwe-PVC, bese uligqiba, ukuze kuqinisekiswe ukulungiswa kwesikhathi esizayo.
