Ethylene-vinyl acetate copolymer CAS 24937-78-8
Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA) mejupụtara ethylene na vinyl acetate copolymerization n'ọkwa dị iche iche, E na mkpọpụta okwu EVA na-anọchite anya ihe mejupụtara ethylene, VA na-anọchite anya ihe mejupụtara vinyl acetate, arụmọrụ ya na ọdịnaya vinyl acetate (VA) nwere njikọ chiri anya, dịka ọdịnaya VA dị iche iche si dị, enwere ike kewaa ya n'ime ụdị atọ: A na-ejikarị plastik EVA nwere ọdịnaya VA nke 5%-40% eme ihe maka mgbanwe polyethylene, imepụta waya na eriri, ihe nkiri na ngwaahịa na ngwakọta ndị ọzọ a kpụrụ akpụ; A na-akpọ ọdịnaya VA nke 40%-90% roba EVA, nke a na-ejikarị eme ihe na roba, eriri na akụkụ ụlọ ọrụ ụgbọ ala; a na-akpọ ọdịnaya VA nke karịrị 90% polyvinyl acetate emulsion, nke a na-ejikarị eme ihe na nrapado, mkpuchi na ihe ndị ọzọ.
| IHE | Ọkọlọtọ |
| Ọdịdị | Ntụ ntụ ọcha na-agbapụta n'efu |
| Ọdịnaya siri ike (%) | ≥98.0 |
| Ntụ (%)1000℃ | 10.0-14.0 |
| Njupụta dị ukwuu (g/l) | 400-550 |
| Nkezi nha ihe dị iche iche (um) | Ihe dị ka iri asatọ |
| PH | 5.0-8.0 |
| Okpomọkụ kacha nta nke na-akpụ ihe nkiri °C | +4 |
Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA) nwere ọtụtụ ngwa, ndị a bụ isi ebe eji ya:
Mpaghara ihe nkiri dị gịrịgịrị
Ihe nkiri ọrụ ugbo: EVA nwere ezigbo nnyefe ọkụ, nchekwa okpomọkụ na iguzogide ihu igwe, a na-ejikarịkwa ya eme ihe na mmepụta ihe nkiri ọrụ ugbo. Ọ nwere ike idobe okpomọkụ na iru mmiri nke ọma na griin haus, kwalite uto nke ihe ọkụkụ, ma gbasaa ndụ ọrụ nke ihe nkiri ahụ.
Ihe nkiri nkwakọ ngwaahịa: Ihe nkiri EVA nwere ezigbo mgbanwe, nghọta na iguzogide ọkpọ, dabara adaba maka nkwakọ ngwaahịa dị iche iche, dịka nri, ihe ndị dị mkpa kwa ụbọchị, wdg. Ọ nwere ike inye ezigbo arụmọrụ nchekwa ma na-egosi ọdịdị nke ngwaahịa ahụ.
Ihe eji akpụ akpụkpọ ụkwụ
Sole: EVA nwere ihe ndị dị ka ịdị nro, ịdị nro dị mma, ịdị arọ dị mfe, iguzogide iyi, wdg., ọ bụ ihe kacha mma maka ime sole. Sole nke e ji EVA mee dị mma iyi, ọ na-arụ ọrụ nke ọma n'ịmịpụta ujo, ma nwee ike ibelata ike ọgwụgwụ ụkwụ.
Elu: A pụkwara iji EVA mee ihe ndị dị n'elu, na-enye aka dị nro ma na-eku ume nke ọma, na-eme ka akpụkpọ ụkwụ dịkwuo mma ma mara mma.
Ọgba aghara na-ekpo ọkụ
Ihe na-eme ka ọ gbazee ọkụ nke EVA: nwere uru dị na viscosity siri ike, ọgwụgwọ ngwa ngwa, iguzogide okpomọkụ dị ala, wdg, nke a na-ejikarị eme ihe na nkwakọ ngwaahịa, njikọ, nrụpụta ngwá ụlọ na ụlọ ọrụ ndị ọzọ. Enwere ike iji ya jikọta akwụkwọ, osisi, plastik na ihe ndị ọzọ, dị mfe iji, nwere ike ime ka arụmọrụ mmepụta ka mma.
Waya na eriri waya
Ihe mkpuchi mkpuchi: EVA nwere ezigbo arụmọrụ mkpuchi, iguzogide mmiri na iguzogide nchara kemịkalụ, enwere ike iji ya dị ka ihe mkpuchi mkpuchi maka waya na eriri, nwere ike ichebe waya na eriri nke ọma site na mmetụta nke gburugburu ebe obibi mpụga, iji hụ na nchekwa na ntụkwasị obi nke nnyefe ike.
Akpụkpọ anụ: Enwere ike iji EVA mee mkpuchi maka waya na eriri, na-enye nchebe igwe na arụmọrụ mgbochi ịka nká, na-agbatị ndụ ọrụ nke waya na eriri.
Ngalaba ndị ọzọ
Ihe Egwuregwu EVA: EVA dị nro, anaghị egbu egbu, enweghị isi na ihe ndị ọzọ, a na-ejikarị ya eme ihe egwuregwu ụmụaka, dịka bọọlụ egwuregwu ụmụaka, ihe mgbagwoju anya, wdg, iji hụ na ụmụaka nwere nchekwa na nkasi obi.
Ngwa egwuregwu: A na-ejikwa ya eme ihe n'ọtụtụ ebe n'ihe egwuregwu, dịka MATS egwuregwu, yoga MATS, wdg, nke ịdị nro na ike ya nwere ike inye nkwado na mmetụta dị mma maka ịkwado.
Ngwaahịa ụfụfụ: Ụfụfụ EVA nwere obere ibu, dị nro, nchekwa okpomọkụ, mkpuchi ụda na ihe ndị ọzọ, enwere ike iji ya mee ọtụtụ ngwaahịa ụfụfụ.
25kg kwa drum, 9tons/20'container
25kgs/akpa, 20tons/20'akpa
Ethylene-vinyl acetate copolymer CAS 24937-78-8
Ethylene-vinyl acetate copolymer CAS 24937-78-8
