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Fahmo Adkaanta, Adkaanta iyo Iska caabinta Saamaynta Balaastikada

Qoraa: JWELL-KEVI ZHOU 2022-04-13 3 min akhris

"Adkaanshaha" waxaa loola jeedaa xaddiga xoogga looga baahan yahay isbeddelka cutubka ee shayga; "Dabacsanaanta" waxaa loola jeedaa xaddiga isbeddelka shay ee hoos yimaada xoogga cutubka. Inta uu "adagaanshaha" weyn yahay, ayaa yaraanaysa isbeddelka; inta uu "dabacsanaanta" badan yahay, ayaa u nugul isbeddelka. Maaddada leh adkeysi wanaagsan waa jilicsan tahay, dhererka jiidistana marka la jabiyo iyo xoogga saamaynta ayaa ka weyn, halka adkeysiga, xoogga jiidista iyo modules-ka laastikada ee laastikada ay ka yar yihiin.

Sida laga arki karo sharraxaadda kor ku xusan, adkaanta iyo adkaanta waa iska soo horjeedaan, laakiin balaastikada wax laga beddelay way isku xiran yihiin. Tusaale ahaan, marka balaastikada fiberglass-ka lagu xoojiyay ay noqdaan kuwo adag, xoogga jiidista iyo xoogga saamaynta ayaa kordhi kara.

Sidee loo hagaajiyaa adkeysiga balaastikada?

Waxaa la ogaaday in kordhinta adkaanta resin-ka matrix-ku ay hagaajin karto saameynta adkaanta ee balaastikada adag.

Waxaa jira siyaabo badan oo lagu adkeyn karo, sida kordhinta miisaanka molecular-ka ee resin-ka matrix-ka si loo yareeyo qaybinta miisaanka molecular-ka, ama xakamaynta crystallization-ka, crystallinity-ga, cabbirka crystalka iyo qaabka crystalka si loo hagaajiyo adkaanta sare.

Sidee loo kala saaraa wakiilka adag ee balaastikada ah ee badanaa la isticmaalo?

• Elastomer caag ah oo la adkeeyay
EPR (binary ethylene-propylene), EPDM (EPDM), caag butadiene (BR), caag dabiici ah (NR), caag isobutene (IBR), caag nitrile (NBR), iwm. Ku habboon dhammaan wax ka beddelka adkaynta resin-ka balaastikada ah;

• Elastomer-ka Thermoplastic-ka ayaa la adkeeyaa
SBS, SEBS, POE, TPO, TPV, iwm. Adkaynta polyolefin ama resin aan polar ahayn, polyester, polyamide iyo polymers kale oo ka kooban kooxaha shaqada polar adag waxay u baahan yihiin in lagu daro iswaafajin;

• Copolymer-ka qolofta dhexe ee adag iyo terpolymer-ka falgalka ah
ACR (acrylate), MBS (methyl acrylate-butadiene-styrene copolymer), PTW (ethylene-butyl acrylate-glycidyl methacrylate copolymer), E-MA-GMA (ethylene-methyl acrylate-glycidyl methacrylate copolymer), iwm. Waxaa loo isticmaalaa injineernimada balaastikada iyo adkeynta dahaarka polymer-ka ee u adkaysta heerkulka sare;

• Waxaa lagu adkeeyay isku darka balaastikada adkeysiga sare leh
PP/PA, PP/ABS, PA/ABS, HIPS/PPO, PPS/PA, PC/ABS, PC/PBT, iwm. Tiknoolajiyada daawaha polymer-ka waa hab muhiim ah oo lagu diyaariyobalaastikada injineernimada adag oo sare.

• Siyaabo kale oo lagu adkeyn karo
Adkaynta walxaha nano-particles (sida nano-cacO3), adkaynta resin-ka sarin (Dupont metal ionomer), iwm.

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