-
CHITETEZO CHA POLYMER: CHIMENE CHIMAYAMIRA UV.
Kapangidwe ka mamolekyu a ma UV absorbers nthawi zambiri kamakhala ndi ma conjugated double bonds kapena aromatic rings, omwe amatha kuyamwa ma ultraviolet rays a ma wavelengths enaake (makamaka UVA ndi UVB). Pamene ma ultraviolet rays amayatsa mamolekyu oyamwa, ele...Werengani zambiri -
Zowunikira Zowala—Mulingo Wochepa, Koma Zothandiza Kwambiri
Ma Optical Lightening Agents amatha kuyamwa kuwala kwa UV ndikukupangitsani kukhala kuwala kwabuluu ndi kofiirira, komwe sikungolimbana ndi kuwala pang'ono kwachikasu pa nsalu komanso kumawonjezera kuwala kwake. Chifukwa chake, kuwonjezera sopo wa OBA kungapangitse zinthu zotsukidwa ...Werengani zambiri -
Kusalimba kwa Nyengo? Kodi pali china chake chomwe muyenera kudziwa chokhudza PVC?
PVC ndi pulasitiki yodziwika bwino yomwe nthawi zambiri imapangidwa kukhala mapaipi ndi zolumikizira, mapepala ndi mafilimu, ndi zina zotero. Ndi yotsika mtengo ndipo imalekerera ma acid, alkali, mchere, ndi zosungunulira zina, zomwe zimapangitsa kuti ikhale yoyenera kwambiri kukhudzana ndi zinthu zamafuta. Itha kupangidwa kukhala trans...Werengani zambiri -
Sayansi Yoteteza Dzuwa: Chitetezo Chofunikira Kulimbana ndi Miyezi ya UV!
Madera omwe ali pafupi ndi equator kapena pamalo okwera kwambiri amakhala ndi mphamvu ya ultraviolet. Kukhudzidwa ndi ultraviolet kwa nthawi yayitali kungayambitse mavuto monga kutentha ndi dzuwa komanso kukalamba kwa khungu, kotero chitetezo cha dzuwa n'chofunika kwambiri. Mafuta oteteza ku dzuwa omwe alipo pano amapezeka makamaka kudzera mu makina...Werengani zambiri -
Msika wapadziko lonse wa Nucleating Agent ukukulirakulira pang'onopang'ono: kuyang'ana kwambiri ogulitsa aku China omwe akutuluka
Chaka chathachi (2024), chifukwa cha chitukuko cha mafakitale monga magalimoto ndi ma phukusi, makampani opanga polyolefin m'madera a Asia Pacific ndi Middle East akukula pang'onopang'ono. Kufunika kwa zinthu zopangira nucleating kwawonjezeka mofanana. (Kodi Nucleating Agent ndi Chiyani?) Kutenga China ngati...Werengani zambiri -
Kodi magulu a Antistatic Agents ndi ati? -Mayankho Opangidwa Mwamakonda a Antistatic ochokera ku DEBORN
Zinthu zoletsa kutentha kwa dziko lapansi zikufunikira kwambiri kuti zithetse mavuto monga kulowetsedwa kwa magetsi mu pulasitiki, ma short circuits, ndi kutulutsa magetsi mu zamagetsi. Malinga ndi njira zosiyanasiyana zogwiritsira ntchito, zinthu zoletsa kutentha kwa dziko lapansi zitha kugawidwa m'magulu awiri: zowonjezera zamkati ndi zakunja...Werengani zambiri -
Kugwiritsa Ntchito Zinthu Zochepa mu Chomatira Chopangidwa ndi Madzi Chokhala ndi Polyurethane
Polyurethane yoyendetsedwa ndi madzi ndi mtundu watsopano wa makina a polyurethane omwe amagwiritsa ntchito madzi m'malo mwa zinthu zachilengedwe zosungunulira ngati njira yofalitsira. Uli ndi ubwino wosakhala ndi kuipitsa, chitetezo ndi kudalirika, mphamvu zabwino kwambiri zamakanika, kugwirizana bwino, komanso kusintha kosavuta.Werengani zambiri -
zowunikira kuwala OB za utoto ndi zokutira
Optical brighteners OB, yomwe imadziwikanso kuti fluorescent whitening agent (FWA), fluorescent brightening agent (FBA), kapena optical brightening agent (OBA), ndi mtundu wa utoto wa fluorescent kapena utoto woyera, womwe umagwiritsidwa ntchito kwambiri poyeretsa ndi kuunikira mapulasitiki, utoto, ndi zina zotero.Werengani zambiri -
Kumvetsetsa zowunikira za pulasitiki: Kodi ndizofanana ndi bleach?
Mu nkhani za sayansi yopanga zinthu ndi zipangizo, kufunafuna kukongoletsa kukongola ndi magwiridwe antchito a zinthu sikutha. Chinthu chimodzi chatsopano chomwe chikukula kwambiri ndi kugwiritsa ntchito zowunikira kuwala, makamaka mu pulasitiki. Komabe, chinthu chofala ...Werengani zambiri -
Kodi kugwiritsa ntchito optical brightener pa pulasitiki ndi kotani?
Chowunikira cha kuwala ndi chowonjezera cha mankhwala chomwe chimagwiritsidwa ntchito mumakampani opanga mapulasitiki kuti chiwongolere mawonekedwe a zinthu zapulasitiki. Chowunikira ichi chimagwira ntchito poyamwa kuwala kwa UV ndikutulutsa kuwala kwabuluu, kuthandiza kubisa chikasu chilichonse kapena kufinya mu pulasitiki kuti chiwoneke chowala komanso chowala. Kugwiritsa ntchito ...Werengani zambiri -
Kodi Nucleating agent ndi chiyani?
Wothandizira wa Nucleating ndi mtundu wa chowonjezera chatsopano chomwe chingathandize kusintha mawonekedwe ndi makina a zinthu monga kuwonekera bwino, kunyezimira kwa pamwamba, mphamvu yokoka, kulimba, kutentha kosokoneza kutentha, kukana kukhudza, kukana kukwawa, ndi zina zotero mwa kusintha khalidwe la kristalo...Werengani zambiri -
Mtundu wa Antifoamers II
I. Mafuta Achilengedwe (monga Mafuta a Soya, Mafuta a Chimanga, ndi zina zotero) II. Mowa Wambiri wa Carbon III. Zoletsa Kutulutsa Mafoam a Polyether IV. Silicone Yosinthidwa ya Polyether ... Mutu wapitawu kuti mudziwe zambiri. V. Organic Silicon Antifoamer Polydimethylsiloxane, yomwe imadziwikanso kuti mafuta a silicone, ndiye gawo lalikulu ...Werengani zambiri