Ipropylene oxide(PO) sisixhobo esibalulekileyo ekuvelisweni kweekhompawundi zeekhemikhali ezahlukeneyo. Uluhlu olubanzi lwezicelo lubandakanya ukuveliswa kwe-polyurethane, i-polyether, kunye nezinye izinto ezisekelwe kwi-polymer. Ngemfuno ekhulayo yeemveliso ezisekwe kwi-PO kumashishini ahlukeneyo afana nokwakha, iimoto, ukupakishwa, kunye nefenitshala, imakethi ye-PO kulindeleke ukuba ibe nokukhula okubalulekileyo kwiminyaka ezayo.

Abaqhubi bokuKhula kweMarike

Imfuno ye-PO iqhutywa ikakhulu kulwakhiwo olukhulayo kunye noshishino lweemoto. Icandelo lolwakhiwo elikhula ngokukhawuleza, ngakumbi kuqoqosho olusakhulayo, kukhokelele ekunyukeni kwemfuno yezinto ezisebenza kakhulu kunye nezingabizi kakhulu. I-PO-based foams ye-polyurethane isetyenziswa ngokubanzi kwishishini lokwakha ngokugqwesa okugqwesileyo kunye nezakhiwo ezichasene nomlilo.

Ngapha koko, ishishini leemoto liye laba ngumqhubi obalulekileyo wentengiso yePO. Ukuveliswa kwezithuthi kufuna ubuninzi bezinto eziphathekayo ezinokumelana nokushisa okuphezulu kunye noxinzelelo lomatshini. Iipolymers ezisekelwe kwi-PO ziyahlangabezana nezi mfuno kwaye zisetyenziswa kakhulu ekwenzeni amacandelo eemoto.

Imingeni yokuKhula kweMarike

Ngaphandle kwamathuba amaninzi okukhula, imakethi yePO ijongene nemingeni emininzi. Omnye wemingeni ephambili kukuguquguquka kwamaxabiso ezinto eziphathekayo. Amaxabiso ezinto eziluhlaza ezifana nepropylene kunye neoksijini, eziyimfuneko kwimveliso ye-PO, zixhomekeke ekuguquguqukeni okuphawulekayo, okukhokelela ekungazinzini kweendleko zokuvelisa. Oku kunokuchaphazela inzuzo yabavelisi be-PO kwaye kunokuba nefuthe kwisakhono sabo sokuhlangabezana nemfuno ekhulayo.

Omnye umngeni yimithetho engqongqo yokusingqongileyo eye yanyanzeliswa kushishino lwemichiza. Imveliso ye-PO ivelisa inkunkuma enobungozi kunye nokukhutshwa kwegesi ye-greenhouse, ekhokelele ekuhlolweni okwandisiweyo kunye nezohlwayo ezivela kumagunya alawulayo. Ukuthobela le migaqo, abavelisi be-PO kufuneka batyale imali kunyango lwenkunkuma olubiza imali eninzi kunye nobuchwepheshe bokulawula ukukhutshwa, obunokunyusa iindleko zabo zemveliso.

Amathuba okuKhula kweMarike

Ngaphandle kwemiceli mngeni, kukho amathuba amaninzi okukhula kweemarike zePO. Elinye lamathuba anjalo kukwanda kwemfuno yezixhobo zokugquma kushishino lokwakha. Njengoko icandelo lokwakha lisanda kuqoqosho olusakhasayo, imfuno yezixhobo zokufakelwa ezikumgangatho ophezulu kulindeleke ukuba inyuke. I-PO-based polyurethane foams inikezela ngeempawu ezizodwa ezenza ukuba zilungele uluhlu olubanzi lwe-insulation applications.

Elinye ithuba likwishishini leemoto elikhula ngokukhawuleza. Ngokugxila okukhulayo kubunzima besithuthi kunye nokusebenza kakuhle kwamafutha, kukho imfuno ekhulayo yezixhobo ezikhaphukhaphu ezinokumelana nobushushu obuphezulu kunye noxinzelelo lomatshini. Iipolima ezisekwe kwi-PO ziyahlangabezana nezi mfuno kwaye zinokuthatha indawo yezixhobo zemveli ezifana neglasi kunye nesinyithi kwimveliso yemoto.

Ukuqukumbela

Indlela yokuthengisa ipropylene oxide ilungile, iqhutywa luphuhliso olukhulayo kunye noshishino lweemoto. Nangona kunjalo, ukuguquguquka kwamaxabiso ezinto ezikrwada kunye nemithetho engqongqo yokusingqongileyo kubangela imingeni ekukhuleni kwentengiso. Ukuxhamla kumathuba, abavelisi be-PO kufuneka bahlale benolwazi ngeentsingiselo zemarike, batyala imali kuphando kunye nophuhliso, kwaye bamkele iindlela zokuvelisa ezizinzileyo zokuqinisekisa imveliso engabizi kakhulu kwaye ihambelana nokusingqongileyo.