Izindaba Zemboni
-
Yiziphi Izici zePolypropylene (PP)?
Ezinye zezimpawu ezibaluleke kakhulu ze-polypropylene yilezi: 1. Ukumelana Namakhemikhali: Izisekelo nama-asidi axutshiwe awasabela kalula nge-polypropylene, okwenza kube ukukhetha okuhle kwezitsha zalolo ketshezi, njengezinto zokuhlanza, imikhiqizo yosizo lokuqala, nokuningi. 2. Ukunwebeka Nokuqina: I-Polypropylene izosebenza ngokunwebeka phezu kobubanzi obuthile bokuphambuka (njengazo zonke izinto), kodwa izophinde ibhekane nokuguquka kwepulasitiki ekuqaleni kwenqubo yokuguquka, ngakho-ke ngokuvamile ibhekwa njengento "eqinile". Ukuqina yigama lobunjiniyela elichazwa njengekhono lento yokuguquguquka (ngokwepulasitiki, hhayi ngokunwebeka) ngaphandle kokuphuka. 3. Ukumelana Nokukhathala: I-Polypropylene igcina isimo sayo ngemva kokugoba okuningi, ukugoba, kanye/noma ukugoba. Le mpahla... -
Imininingwane yezindlu icindezelwe kabi, futhi i-PVC iyakhanyiswa.
NgoMsombuluko, idatha yezindlu iqhubekile nokuhamba kancane, okwaba nomthelela omubi kakhulu ekulindelweni kwesidingo. Ngesikhathi sokuphela, inkontileka eyinhloko ye-PVC yehle ngaphezu kuka-2%. Ngesonto eledlule, idatha ye-US CPI ngoJulayi yayiphansi kunalokho obekulindelwe, okwakhulisa isifiso sobungozi sabatshalizimali. Ngesikhathi esifanayo, isidingo segolide, isiliva eziyisishiyagalolunye kanye nezinkathi eziyishumi eziphakeme kulindeleke ukuthi sithuthuke, okwanikeza ukwesekwa kwamanani. Kodwa-ke, imakethe inokungabaza ngokuzinza kokutholakala kwesidingo. Ukwanda okulethwe ukutholakala kwesidingo sasekhaya esikhathini esimaphakathi neside kungase kungakwazi ukulungisa ukwanda okulethwe ukutholakala kwesidingo kanye nokwehla kwesidingo okulethwe yisidingo sangaphandle ngaphansi kwengcindezi yokwehla komnotho. Kamuva, kungase kuholele ekubuyeni kwamanani ezimpahla, futhi... -
I-Sinopec, i-PetroChina nabanye bafaka izicelo ngokuzithandela zokususwa ohlwini lwamasheya ase-US!
Ngemva kokususwa kohlu lwe-CNOOC eNew York Stock Exchange, izindaba zakamuva zithi ntambama yangomhlaka-12 Agasti, iPetroChina neSinopec bakhipha izimemezelo ngokulandelana ukuthi bahlela ukususa amasheya e-American Depositary kwiNew York Stock Exchange. Ngaphezu kwalokho, iSinopec Shanghai Petrochemical, iChina Life Insurance, kanye ne-Aluminium Corporation yaseShayina nazo zikhiphe izimemezelo ngokulandelana zithi zihlose ukususa amasheya e-American depositary kwiNew York Stock Exchange. Ngokusho kwezimemezelo zenkampani ezifanele, lezi zinkampani zilandele ngokuqinile imithetho yemakethe yezimali yase-US kanye nezidingo zomthetho selokhu zasakazwa e-United States, futhi ukukhetha kokususa kwenziwa ngenxa yezizathu zebhizinisi labo. -
I-PHA floss yokuqala emhlabeni yethulwe!
Ngomhlaka-23 Meyi, inkampani yaseMelika i-Plackers®, yethule i-EcoChoice Compostable Floss, i-floss yamazinyo ehlala isikhathi eside ebola ngo-100% endaweni enomquba ekhaya. I-EcoChoice Compostable Floss ivela ku-PHA kaDanimer Scientific, i-biopolymer etholakala ku-canola oil, i-silk floss yemvelo kanye nama-coconut husks. I-floss entsha enomquba ihambisana nephothifoliyo yamazinyo ehlala isikhathi eside ye-EcoChoice. Ayigcini nje ngokuhlinzeka ngesidingo sokufutha, kodwa futhi inciphisa nethuba lokuthi amapulasitiki angene olwandle nasezindaweni zokulahla udoti. -
Ukuhlaziywa Kwesimo Sokuthuthukiswa Kwemboni Ye-PVC eNyakatho Melika.
INyakatho Melika iyisifunda sesibili ngobukhulu sokukhiqiza i-PVC emhlabeni. Ngo-2020, ukukhiqizwa kwe-PVC eNyakatho Melika kuzoba ngamathani ayizigidi ezingu-7.16, okwenza u-16% womkhiqizo we-PVC womhlaba wonke. Esikhathini esizayo, ukukhiqizwa kwe-PVC eNyakatho Melika kuzoqhubeka nokugcina ukuthambekela okukhuphukayo. INyakatho Melika iyizwe elithumela i-PVC kwamanye amazwe elikhulu kunawo wonke emhlabeni, okwenza u-33% wokuhweba kwe-PVC kwamanye amazwe emhlabeni wonke. Ithintwe ukutholakala okwanele eNyakatho Melika uqobo, inani lokungenisa ngeke lande kakhulu esikhathini esizayo. Ngo-2020, ukusetshenziswa kwe-PVC eNyakatho Melika kungaba ngamathani ayizigidi ezingu-5.11, cishe u-82% wawo use-United States. Ukusetshenziswa kwe-PVC eNyakatho Melika ikakhulukazi kuvela ekuthuthukisweni kwemakethe yokwakha. -
I-HDPE isetshenziselwa ini?
I-HDPE isetshenziswa emikhiqizweni nasekupakishweni okufana namajagi obisi, amabhodlela okugeza, amabhavu e-margarine, izitsha zikadoti kanye namapayipi amanzi. Emapayipini anobude obuhlukahlukene, i-HDPE isetshenziswa esikhundleni samapayipi e-mortar ekhadibhodi anikeziwe ngezizathu ezimbili eziyinhloko. Okokuqala, iphephile kakhulu kunamapayipi e-cardboard anikeziwe ngoba uma igobolondo lingasebenza kahle futhi liqhume ngaphakathi kwepayipi le-HDPE, ipayipi ngeke liphuke. Isizathu sesibili ukuthi angasetshenziswa kabusha okuvumela abaklami ukuthi bakhe ama-rack amaningi e-mortar. Ochwepheshe be-pyrotechnical bayakugxeka ukusetshenziswa kwamapayipi e-PVC kumapayipi e-mortar ngoba avame ukuphuka, athumele izingcezu zepulasitiki kubabukeli abangaba khona, futhi ngeke avele kuma-X-ray. -
Ikhadi eliluhlaza le-PLA liba yisisombululo esithandwayo esiqhubekayo embonini yezezimali.
Kudingeka ipulasitiki eningi kakhulu ukwenza amakhadi asebhange minyaka yonke, futhi njengoba izinkinga zemvelo zikhula, uThales, umholi kwezokuphepha kobuchwepheshe obuphezulu, usungule ikhambi. Isibonelo, ikhadi elenziwe nge-85% polylactic acid (PLA), elitholakala kummbila; enye indlela entsha ukusebenzisa izicubu ezivela emisebenzini yokuhlanza ugu ngokubambisana neqembu lezemvelo iParley for the Oceans. Imfucuza yepulasitiki eqoqwe – “i-Ocean Plastic®” njengezinto zokusetshenziswa ezintsha zokukhiqiza amakhadi; kukhona futhi inketho yamakhadi e-PVC asetshenziswe kabusha enziwe ngokuphelele ngepulasitiki engcolile evela embonini yokupakisha nokunyathelisa ukuze kuncishiswe ukusetshenziswa kwepulasitiki entsha. -
Ukuhlaziywa okufushane kwedatha yokungenisa nokuthumela i-resin ye-pvc ye-paste yaseShayina kusukela ngoJanuwari kuya kuJuni.
Kusukela ngoJanuwari kuya kuJuni 2022, izwe lami lingenise inani lamathani angu-37,600 e-paste resin, ukwehla ngo-23% uma kuqhathaniswa nesikhathi esifanayo ngonyaka odlule, futhi lathumela kwamanye amazwe inani lamathani angu-46,800 e-paste resin, ukwanda ngo-53.16% uma kuqhathaniswa nesikhathi esifanayo ngonyaka odlule. Engxenyeni yokuqala yonyaka, ngaphandle kwamabhizinisi ngamanye avalwa ngenxa yokulungiswa, umthwalo wokusebenza wesitshalo se-paste resin sasekhaya wahlala ezingeni eliphezulu, ukuhlinzekwa kwezimpahla kwakwanele, futhi imakethe yaqhubeka nokwehla. Abakhiqizi bafuna ngenkuthalo ama-oda okuthumela kwamanye amazwe ukuze banciphise izingxabano zemakethe yasekhaya, futhi inani lokuthumela kwamanye amazwe eliqongelelekayo landa kakhulu. -
Ungabona kanjani ukuthi ipulasitiki iyi-polypropylene?
Enye yezindlela ezilula zokwenza isivivinyo selangabi ukusika isampula epulasitikini bese uyishisa ekhabetheni lomlilo. Umbala welangabi, iphunga kanye nezici zokusha kunganikeza inkomba yohlobo lwepulasitiki: 1. I-Polyethylene (PE) - Amaconsi, inuka njenge-candlewax; 2. I-Polypropylene (PP) - Amaconsi, inuka kakhulu uwoyela wenjini ongcolile kanye ne-candlewax engaphansi; 3. I-Polymethylmethacrylate (PMMA, “Perspex”) - Amabhamuza, ama-crackles, iphunga elimnandi elimnandi; 4. I-Polyamide noma i-“Nylon” (PA) - Ilangabi elinomswakama, iphunga le-marigolds; 5. I-Acrylonitrilebutadienestyrene (ABS) - Ilangabi elingabonakali, elinomswakama, iphunga le-marigolds; 6. I-Polyethylene foam (PE) - Amaconsi, iphunga le-candlewax -
I-Mars M Beans yethula ukupakisha iphepha elihlanganisiwe le-PLA elibolayo eShayina.
Ngo-2022, iMars yethule ushokoledi wokuqala we-M&M opakishwe ephepheni elihlanganisiwe elibolayo eShayina. Wenziwe ngezinto ezibolayo njengephepha ne-PLA, okuthatha indawo yokupakisha kwepulasitiki ethambile yendabuko esikhathini esidlule. Ukupakisha sekudlule i-GB/T. Indlela yokunquma ka-19277.1 iqinisekisile ukuthi ngaphansi kwezimo zokwenziwa komquba wezimboni, kungabola ngaphezu kuka-90% ezinyangeni eziyi-6, futhi kuzoba amanzi angenabo ubuthi ngokwezinto eziphilayo, i-carbon dioxide neminye imikhiqizo ngemva kokubola. -
Ukuthunyelwa kwamanye amazwe kwe-PVC eShayina kusalokhu kuphezulu engxenyeni yokuqala yonyaka.
Ngokwezibalo zakamuva zentela, ngoJuni 2022, umthamo wokungenisa wempuphu emsulwa ye-PVC ezweni lami wawungamathani angu-29,900, ukwanda ngo-35.47% kusukela enyangeni edlule kanye nokwanda konyaka nonyaka okungu-23.21%; ngoJuni 2022, umthamo wokuthumela impuphu emsulwa ye-PVC ezweni lami wawungamathani angu-223,500, Ukwehla kwenyanga nonyaka kwaba ngu-16%, kanti ukwanda konyaka nonyaka kwaba ngu-72.50%. Umthamo wokuthumela kwamanye amazwe waqhubeka nokugcina izinga eliphezulu, okwanciphisa ukutholakala okuningi emakethe yasekhaya ngezinga elithile. -
Kuyini i-Polypropylene (PP)?
I-Polypropylene (PP) iyi-thermoplastic eqinile, eqinile, futhi ekristalu. Yenziwe nge-propene (noma i-propylene) monomer. Le resin ye-hydrocarbon eqondile iyi-polymer elula kunazo zonke phakathi kwazo zonke ipulasitiki zezimpahla. I-PP iza njenge-homopolymer noma njenge-copolymer futhi ingathuthukiswa kakhulu ngezithasiselo. Itholakala ekupakisheni, ezimotweni, ezimakethe zabathengi, kwezokwelapha, kumafilimu enziwe ngensimbi, njll. I-PP isibe yinto ekhethwayo, ikakhulukazi uma ufuna i-polymer enamandla aphezulu (isb., vs. Polyamide) ezinhlelweni zobunjiniyela noma nje ufuna inzuzo yezindleko emabhodleleni okubumba (vs. PET).