Iindaba
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I-Caustic Soda (i-Sodium Hydroxide) - isetyenziselwa ntoni?
Iikhemikhali ze-HD Caustic Soda – isetyenziswa njani ekhaya, emyezweni, okanye e-DIY? Eyona ndlela isetyenziswa kakhulu kukukhupha amanzi kwiipayipi. Kodwa i-caustic soda ikwasetyenziswa nakwezinye iimeko ezininzi zasekhaya, kungekuphela nje kwezongxamiseko. I-Caustic soda, ligama elidumileyo le-sodium hydroxide. Iikhemikhali ze-HD Caustic Soda zinefuthe elinamandla lokucaphukisa ulusu, amehlo kunye ne-mucous membranes. Ke ngoko, xa usebenzisa le khemikhali, kufuneka uthathe amanyathelo okhuseleko – khusela izandla zakho ngeeglavu, uvale amehlo akho, umlomo kunye nempumlo. Ukuba udibana nale nto, hlambulula indawo ngamanzi abandayo amaninzi kwaye udibane nogqirha (khumbula ukuba i-caustic soda ibangela ukutsha kweekhemikhali kunye neempendulo ezinzima ze-allergy). Kubalulekile ukugcina iarhente ngokufanelekileyo – kwisikhongozeli esivaliweyo (i-soda isabela kakhulu nge... -
Uphononongo lweDiski yangaphandle yePolypropylene ka-2022.
Xa kuthelekiswa nowama-2021, ukuhamba korhwebo lwehlabathi ngo-2022 akuyi kutshintsha kakhulu, kwaye le ndlela iya kuqhubeka neempawu zowama-2021. Nangona kunjalo, kukho amanqaku amabini ngo-2022 angenakutyeshelwa. Enye kukuba ingxabano phakathi kweRashiya ne-Ukraine kwikota yokuqala ikhokelele ekunyukeni kwamaxabiso amandla ehlabathi kunye nokungazinzi kwengingqi kwimeko yezopolitiko; Okwesibini, ukunyuka kwamaxabiso e-US kuyaqhubeka nokunyuka. I-Federal Reserve inyuse amazinga enzala amaxesha amaninzi kulo nyaka ukuze inciphise ukunyuka kwamaxabiso. Kwikota yesine, ukunyuka kwamaxabiso ehlabathi akukabonakalisi ukupholisa okukhulu. Ngokusekelwe kule mvelaphi, ukuhamba korhwebo lwamazwe ngamazwe lwe-polypropylene nako kutshintshile ukuya kwinqanaba elithile. Okokuqala, umthamo wokuthumela ngaphandle kweTshayina unyukile xa kuthelekiswa nonyaka ophelileyo. Esinye sezizathu kukuba iidomes zaseTshayina... -
Ukusetyenziswa kwe-caustic soda kushishino lwezinambuzane.
Izibulali-zinambuzane Izibulali-zinambuzane zibhekisa kwiikhemikhali ezisetyenziswa kwezolimo ukuthintela nokulawula izifo zezityalo kunye nezinambuzane eziyingozi kunye nokulawula ukukhula kwezityalo. Zisetyenziswa kakhulu kwimveliso yezolimo, amahlathi kunye nokufuya izilwanyana, ucoceko lokusingqongileyo kunye nolwasekhaya, ulawulo lwezinambuzane kunye nokuthintela ubhubhane, ukubola kwemveliso yemizi-mveliso kunye nokuthintela iinundu, njl. Kukho iintlobo ngeentlobo zezibulali-zinambuzane, ezinokwahlulwa zibe zizibulali-zinambuzane, izibulali-zinambuzane, izibulali-zinambuzane eziyingozi, izibulali-zinambuzane ezinobungozi, izibulali-zinambuzane ezinobungozi, njl. ngokwendlela ezisetyenziswa ngayo; zinokwahlulwa zibe ziiminerali ngokwendlela ezifumaneka ngayo izinto eziluhlaza. Izibulali-zinambuzane eziyingozi (izibulali-zinambuzane ezingaphiliyo), izibulali-zinambuzane eziyingozi (izinto eziphilayo zendalo, iintsholongwane, izibulali-ntsholongwane, njl. njl.) kunye nezenziwe ngeekhemikhali ... -
Imarike yeResin yePVC Paste.
Ukunyuka kweMfuno yeeMveliso zoKwakha ukuze kuqhutywe iMarike yeHlabathi yePVC Paste Resin Ukwanda kwemfuno yezixhobo zokwakha ezingabizi kakhulu kumazwe asaphuhlayo kuqikelelwa ukuba kuya kunyusa imfuno yePVC paste resin kula mazwe kwiminyaka embalwa ezayo. Izixhobo zokwakha ezisekelwe kwiPVC paste resin zithatha indawo yezinye izinto eziqhelekileyo ezifana nomthi, ikhonkrithi, udongwe, kunye nesinyithi. Ezi mveliso kulula ukuzifaka, ziyamelana notshintsho kwimozulu, kwaye azibizi kakhulu kwaye zilula ngobunzima kunezixhobo eziqhelekileyo. Zikwabonelela ngeenzuzo ezahlukeneyo ngokubhekiselele ekusebenzeni. Ukwanda kwenani leenkqubo zophando lwetekhnoloji kunye nophuhliso ezinxulumene nezixhobo zokwakha ezingabizi kakhulu, ingakumbi kumazwe asaphuhlayo, kulindeleke ukuba kukhuthaze ukusetyenziswa kwePVC... -
Uhlalutyo malunga notshintsho ekusetyenzisweni kwe-PE kwixesha elizayo.
Okwangoku, ukusetyenziswa okuphambili kwe-polyethylene kwilizwe lam kuquka ifilimu, ukubumba ngenaliti, umbhobho, umngxuma, umzobo wentambo, intambo, i-metallocene, uphahla kunye nezinye iintlobo eziphambili. Eyokuqala ukuthwala ubunzima, inxalenye enkulu yokusetyenziswa okuphantsi yifilimu. Kwishishini leemveliso zefilimu, eyona iphambili yifilimu yezolimo, ifilimu yemizi-mveliso kunye nefilimu yokupakisha imveliso. Nangona kunjalo, kwiminyaka yakutshanje, izinto ezifana nemida kwiingxowa zeplastiki kunye nokuncipha okuphindaphindiweyo kwemfuno ngenxa yobhubhane ziye zabakhathaza ngokuphindaphindiweyo, kwaye bajongene nemeko ehlazisayo. Imfuno yeemveliso zefilimu zeplastiki zemveli ezilahlwayo iya kutshintshwa kancinci kancinci ngokusasazwa kweeplastiki ezibolayo. Abavelisi abaninzi beefilimu bajongene nophuhliso lwetekhnoloji yemizi-mveliso... -
Ukuveliswa kweCaustic Soda.
I-Caustic soda (NaOH) yenye yezona zinto zibalulekileyo zokutya kweekhemikhali, enemveliso iyonke yonyaka eyi-106t. I-NaOH isetyenziswa kwi-organic chemistry, kwimveliso ye-aluminium, kwishishini lephepha, kwishishini lokucubungula ukutya, ekwenzeni isepha, njl. I-Caustic soda yimveliso edibeneyo kwimveliso ye-chlorine, i-97% yayo eyenzeka nge-electrolysis ye-sodium chloride. I-Caustic soda inefuthe elibi kakhulu kwizinto ezininzi zesinyithi, ingakumbi kumaqondo obushushu aphezulu kunye noxinzelelo. Nangona kunjalo, sele kwaziwa ixesha elide ukuba i-nickel ibonakalisa ukumelana okuhle nokugqwala kwi-caustic soda kuzo zonke iindawo kunye nobushushu, njengoko uMfanekiso 1 ubonisa. Ukongeza, ngaphandle kwamanqanaba aphezulu kakhulu kunye nobushushu, i-nickel ayichaphazeleki kuxinzelelo olubangelwa yi-caustic... -
Eyona ndlela iphambili yokusebenzisa i-resin ye-pvc ye-paste.
I-Polyvinyl chloride okanye i-PVC luhlobo lwe-resin esetyenziswa ekuvelisweni kwerabha kunye neplastiki. I-resin ye-PVC ifumaneka ngombala omhlophe kunye nohlobo lwepowder. Ixutywe nezongezo kunye neeplastiki ukwenza i-resin ye-PVC paste. I-resin ye-PVC paste isetyenziselwa ukugquma, ukudipha, ukufutha, ukutshiza, kunye nokwenza ujikelezo. I-resin ye-PVC paste iluncedo ekuvelisweni kweemveliso ezahlukeneyo ezixabisekileyo ezifana nezigqubuthelo zomgangatho nodonga, ulusu olungeyonyani, iileya zomphezulu, iiglavu, kunye neemveliso zokubumba i-slush. Amashishini amakhulu abasebenzisi bokugqibela be-resin ye-PVC paste aquka ulwakhiwo, iimoto, ukuprinta, ulusu oluyi-synthetic, kunye neeglavu zoshishino. I-resin ye-PVC paste isetyenziswa kakhulu kwezi mveliso, ngenxa yeempawu zayo zomzimba eziphuculweyo, ukufana, ukukhanya okuphezulu, kunye nokukhanya. I-resin ye-PVC paste ingenziwa ngokwezifiso... -
Iibhiliyoni ezili-17.6! I-Wanhua Chemical ibhengeza ngokusesikweni utyalo-mali lwangaphandle.
Ngobusuku be-13 kaDisemba, iWanhua Chemical ikhuphe isibhengezo sotyalo-mali lwangaphandle. Igama lotyalo-mali olujoliswe kulo: Iprojekthi ye-ethylene yeWanhua Chemical eyi-1.2 yezigidi zeetoni ngonyaka kunye neprojekthi ye-polyolefin ephezulu esezantsi, kunye nesixa sotyalo-mali: utyalo-mali olupheleleyo lwe-17.6 yeebhiliyoni zeerandi zeerandi. Iimveliso eziphezulu zeshishini le-ethylene lelizwe lam zixhomekeke kakhulu ekungenisweni. Ii-polyethylene elastomers ziyinxalenye ebalulekileyo yezixhobo ezintsha zeekhemikhali. Phakathi kwazo, iimveliso eziphezulu ze-polyolefin ezifana nee-polyolefin elastomers (POE) kunye nezixhobo ezikhethekileyo ezahlukileyo zixhomekeke kwi-100% ekungenisweni. Emva kweminyaka yophuhliso lobuchwepheshe oluzimeleyo, inkampani iyazi kakuhle iiteknoloji ezifanelekileyo. Inkampani iceba ukuphumeza iprojekthi yesigaba sesibini se-ethylene eYantai Ind... -
Iimpawu zefashoni nazo zidlala ngebhayoloji yokwenziwa, iLanzaTech ivula ilokhwe emnyama eyenziwe ngeCO₂.
Asikuko ukubaxa ukutsho ukuba ibhayoloji yokwenziwa ingene kuzo zonke iinkalo zobomi babantu. I-ZymoChem iza kuvelisa ijakethi yeski eyenziwe ngeswekile. Kutshanje, uphawu lwempahla yefashoni luqalise ilokhwe eyenziwe nge-CO₂. I-Fang yiLanzaTech, inkampani yebhayoloji yokwenziwa ebalaseleyo. Kuyaqondakala ukuba olu manyano alulo "umxube" wokuqala weLanzaTech. KwangoJulayi kulo nyaka, iLanzaTech yasebenzisana nenkampani yezemidlalo iLululemon kwaye yavelisa intambo kunye nelaphu lokuqala kwihlabathi elisebenzisa amalaphu aphinda asetyenziswe kwi-carbon emission. I-LanzaTech yinkampani yeteknoloji yebhayoloji yokwenziwa ese-Illinois, e-USA. Ngokusekelwe ekuqokeleleni kwayo kobugcisa kwibhayoloji yokwenziwa, i-bioinformatics, ubukrelekrele bokwenziwa kunye nokufunda koomatshini, kunye nobunjineli, iLanzaTech iphuhlise... -
Iindlela Zokuphucula Iimpawu zePVC - Indima Yezongezo.
I-resin ye-PVC efunyenwe kwi-polymerization ayizinzanga kakhulu ngenxa yokuzinza kwayo okuphantsi kobushushu kunye ne-viscosity ephezulu yokunyibilika. Kufuneka iguqulwe ngaphambi kokuba icutshungulwe ibe ziimveliso ezigqityiweyo. Iimpawu zayo zingaphuculwa/ziguqulwe ngokongeza izongezo ezininzi, ezifana neziqinisi zobushushu, iziqinisi ze-UV, iiplastiki, izilungisi zempembelelo, izizalisi, izithinteli zomlilo, ii-pigment, njl. Ukukhethwa kwezi zongezo ukuphucula iimpawu ze-polymer kuxhomekeke kwimfuno yokusetyenziswa kokugqibela. Umzekelo: 1. Iiplastiki (iiPhthalates, ii-Adipates, iiTrimellitate, njl.njl.) zisetyenziswa njengeearhente zokuthambisa ukuphucula ukusebenza kwe-rheological kunye nokusebenza koomatshini (ukuqina, amandla) kweemveliso ze-vinyl ngokunyusa ubushushu. Izinto ezichaphazela ukukhethwa kweeplastiki ze-vinyl polymer zezi: I-Polymer iyahambelana... -
Intlanganiso ye-plenary kaChemdo ngomhla we-12/12.
Emva kwemini ngomhla we-12 kuDisemba, iChemdo ibambe intlanganiso epheleleyo. Umxholo wentlanganiso wahlulwe waba ngamacandelo amathathu. Okokuqala, ngenxa yokuba iTshayina ikhulule ulawulo lwe-coronavirus, umphathi jikelele ukhuphe uthotho lwemigaqo-nkqubo yenkampani yokujongana nobhubhane, waza wacela wonke umntu ukuba alungiselele amayeza kwaye anikele ingqalelo ekukhuselweni kwabantu abadala nabantwana emakhaya. Okwesibini, intlanganiso yesishwankathelo sokuphela konyaka icwangciselwe ukubanjwa ngoDisemba 30, kwaye wonke umntu kufuneka angenise iingxelo zokuphela konyaka ngexesha. Okwesithathu, icwangciselwe ukubamba isidlo sangokuhlwa sokuphela konyaka senkampani ngokuhlwa komhla wama-30 kuDisemba. Kuza kubakho imidlalo kunye neseshoni yelotho ngelo xesha kwaye ndinethemba lokuba wonke umntu uza kuthatha inxaxheba ngokukhutheleyo. -
Isitulo esiprintiweyo se-polylactic acid 3D esiguqula umcabango wakho.
Kwiminyaka yakutshanje, ubuchwepheshe bokuprinta be-3D bunokubonwa kwiindawo ezahlukeneyo zoshishino, njengempahla, iimoto, ulwakhiwo, ukutya, njl.njl., bonke bangasebenzisa ubuchwepheshe bokuprinta be-3D. Enyanisweni, ubuchwepheshe bokuprinta be-3D babusetyenziswa kwimveliso eyandayo kwiintsuku zokuqala, kuba indlela yabo yokulinganisa ngokukhawuleza inokunciphisa ixesha, amandla abantu kunye nokusetyenziswa kwezinto eziluhlaza. Nangona kunjalo, njengoko ubuchwepheshe bukhula, umsebenzi wokuprinta kwe-3D awupheleli nje ekunyuseni. Ukusetyenziswa ngokubanzi kobuchwepheshe bokuprinta be-3D kufikelela kwifenitshala ekufutshane nobomi bakho bemihla ngemihla. Ubuchwepheshe bokuprinta be-3D butshintshe inkqubo yokwenziwa kwefenitshala. Ngokwesiko, ukwenza ifenitshala kufuna ixesha elininzi, imali kunye namandla abasebenzi. Emva kokuba imveliso ivelise iprototype, kufuneka ivavanywe kwaye iphuculwe rhoqo. Ho...