Tilmaamaha muhiimka ah: PP waxaa loo kala saari karaa iyadoo loo eegayo kala duwanaansho kala duwan, kala-soocidda ayaa wali noqon karta qeexitaanno heerka qulqulka dhalaalka ee kala duwan, iyo xitaa marka loo eego isticmaalka waxyaabaha lagu daro ee badeecadaha shakhsi ahaaneed si loo go'aamiyo isticmaalka sifooyinka. Tusaale ahaan, hal polymer, MFR: 12 ama wax ka badan ayaa loo isticmaali karaa guud ahaanalaabta la isku duro, Waxa kale oo loo isticmaali karaa wax soo saarka ee fiilooyinka multifilament, iyo waxaa si gaar ah loo soo saaray si ay u bixiyaan qaybinta miisaanka kelli ballaaran si loo hagaajiyo habsocodka qaybta dambe ee tolida fiber. Isla mar ahaantaana, waxa ay sidoo kale ku dari kartaa wakiilka silqulaya iyo wakiilka anti-adhesive. si loo kordhiyo furitaanka si loo buuxiyo shuruudahabacalaabta.
1. Heerka guud (Homopolymer)
Monopolymer, ama homopolymer, waa alaabta ceeriin ee propylene saafiga ah laga sameeyay.
2. Saamaynta COPOLYMER
Marka hal polymer lagu daro caag ethylene propylene, xoogga saamaynta inta badan waxay ku xiran tahay waxa ka kooban caag, iyo caabbinta qabow inta badan waxay ku xiran tahay content ethylene.
3. isotacites sare ama crystallinity sare
Iska yaree waxyaabaha ku jira qaab-dhismeedka kala-baxa ee polymer PP, korodhka qaraabo ee content qaab-dhismeedka caadiga ah, sidoo kale hagaajinaysaa crystallinity.It inta badan hagaajinaysaa qallafsanaanta, heerkulka denaturation kulaylka, adkaanta dusha, caabbinta xoqan iyo dhaldhalaalaan ee alaabta ceeriin. Dabcan, Intaa waxaa dheer. Wakiilka nukliyeerka ayaa sidoo kale gacan ka geysan doona kobcinta guryaha kor ku xusan.
4. COPOLYMER random
Copolymerization Randomized waa propylene iyo ethylene copolymerization.Ethylene si aan joogto ahayn ayay ugu firdhisaa polymerka, taas oo inta badan yaraynaysa crystallinity ee polymerka oo wanaajisaa daahfurnaanta.
5. Terpolymer
Ma kordhinta random ee polymer, guud ahaan ka kooban propylene ethylene (EPR) heerarka ugu sarreeya ee 3.5%, laakiin sidoo kale waxaa jira hab lagu dari karaa in 5%, iyo content ethylene sare ee badeecada ka sii jilicsan, heerkulka qallafsan kulaylka, jilcinta. dhibicda, hoos u dhaca heerkulka daboolaya kulaylka, mararka qaarkood si loo kordhiyo content ethylene iyadoo la kaashanayo butadiene ama maaddooyinka kale saddexaad noqdaan saddex polymer caadi ah, si loo gaaro shuruudaha kor ku xusan hantida jirka.
6. darajada Alloy
Isku darka alaabta ceeriin ee caag ah oo kala duwan oo leh saami sare ayaa lagu tilmaami karaa heerka alloy.Tusaale ahaan, PP oo lagu daray LDPE waxay hagaajin kartaa jilicsanaanta iyo saameynta xoogga, waxayna sidoo kale yareyn kartaa qoorta waxayna kordhin kartaa jilicsanaanta habka.Qaabaynta, waxay sidoo kale yarayn kartaa ifafaalaha walxaha hoos u dhaca.PP iyo EPR iyo HDPE waxay ilaalin karaan qallafsanaanta, waxay yareeyaan ifafaale caddeynta oo ay keento maaddada sare ee EPR, waxayna wanaajisaa xoogga saameynta.
7.compounding
Isku dhafka walxaha kala duwan
Waqtiga boostada: Juun-18-2021