Plasticakpa akpabụ nke polypropylene (PP) dị ka isi ihe eji eme ihe, a na-eme ya site na extrusion, ịbịaru waya, ịkwa ákwà, ịkwa akwa na ime akpa.
Polypropylene bụ thermoplastic translucent na ọkara kristal nke nwere ike dị elu, mkpuchi dị mma, obere mmiri na-amịkọrọ mmiri, okpomọkụ dị elu nke okpomọkụ, obere njupụta na nnukwu crystallinity.Ọ bụ isi akụrụngwa nke akpa kpara akpa.Ihe ndozi emezigharịrị na-agụnyekarị eriri iko, ihe ndị na-ejupụta mineral, rọba thermoplastic, na ihe ndị ọzọ.
Akpa kpara akpa nwere ọtụtụ ngwa.Ka ọ dị ugbu a, a na-eji akpa rọba kpara akpa maka nkwakọ ngwaahịa ugbo, nkwakọ ngwaahịa ciment, nkwakọ nri, injinia geotechnical, njem njem njem, ihe njikwa ide mmiri, wdg. Akpa kpara akpa na-agụnyekarị akpa akpa rọba (akpa a kpara akpa na-enweghị ihe nkiri), ihe mejupụtara rọba. akpa na akwa akwa dị iche iche kpara akpa.Usoro mmepụta nke akpa akpa rọba bụ nke a: ibipụta akwa, ịkpụ, na ịkwa akwa n'ime akpa akpara akpa.
Dabere na ngwa eji eme ihe, enwere ike ibu ụzọ bee ya wee bipụta ya, ma ọ bụ bipụta ya wee bee ya.Akpaaka akwa akwa nwere ike na-aga n'ihu mezue obibi akwụkwọ, ịcha, ịkwa akwa na ndị ọzọ usoro, na nwekwara ike-mere n'ime valvụ akpa, ala akpa, wdg N'ihi larịị kpara akwa, akpa nwere ike mere site gluing etiti onuete.Usoro mmepụta nke akpa akpa rọba bụ ijikọta ma ọ bụ kpuchie akwa akwa, ihe mkpuchi na akwụkwọ ma ọ bụ ihe nkiri.Enwere ike ịkpụ tube ma ọ bụ mpempe akwa a na-esi na ya pụta, bipụta ya, dụkọta ma mee ka ọ bụrụ akpa a na-ahụkarị nke ala, ma ọ bụ pịa, pịaji, bee, bipụta na ịkwanye n'ime akpa ciment, na mpempe akwa nwetara nwere ike ịbụ Ịkwa akwa, gluing; ibipụta, ịkpụ na gluing n'ime akpa patch nke ala.Enwere ike ịgbanye ya na mpịakọta ka ọ rụọ tapaulins na geotextiles.Enwere ike kpuchie akwa ma ọ bụ kpuchie ya iji mepụta tarpaulins, geotextiles, wdg, na akwa cylindrical nwekwara ike kpuchie ma ọ bụ kpuchie ya iji mepụta tarpaulins ma ọ bụ geotextiles, wdg.
A na-ekewa ihe ngosi teknụzụ nke usoro mmepụta waya dị larịị n'ime ụzọ anọ:
1. Mechanical arụmọrụ index.Nke kachasị na-agụnye ike ntanye, ike nkwụsịtụ ikwu, elongation na nkwụsịtụ, ọsọ ahịrị ahịrị, njupụta njupụta ahịrị;
2. Ntụgharị mgbanwe anụ ahụ na kemịkal.A na-enwekarị mgbanwe mgbanwe, ngwakọta ngwakọta, ihe mgbakwunye na-arụ ọrụ na-arụ ọrụ, na ngwakọta ngwakọta nke ihe mkpofu na ihe ejigharịgharị;
3. Ndekọ nha ndidi.E nwere tumadi larịị waya ọkpụrụkpụ, flat waya obosara na na.
4. Ngụkọta rheological nke anụ ahụ.A na-enwekarị usoro ihe omume, oke mgbasawanye, usoro nhazi na nkwụghachi azụ;
Ihe polyethylene dị na usoro mkpuchi akpa ahụ na-ekpo ọkụ, gbazee, plasticized na extruded guzosie ike site extruder;
Fanye n'ime ihe nkiri cylindrical site na isi anwụ;ewebata gas abịakọrọ iji gbasaa ka ọ bụrụ afụ tubular;
Jiri mgbanaka ikuku jụrụ oyi ka ọ dị jụụ na ịkpụzi, dọpụta splint herringbone wee tụgharịa ya;
Site na traction rollers, mbanye rollers na winding rollers,
N'ikpeazụ, a na-eme usoro ịkpụ na ikpo ọkụ ọkụ iji mechaa mmepụta nke akpa mkpuchi dị n'ime, n'ikpeazụkwa, akpa ahụ jupụtara.
Polypropylene dị ọcha maka mmepụta yarn dị larịị enweghị ike iru ihe achọrọ, yana a ga-agbakwunye akụkụ ụfọdụ nke polyethylene nrụgide dị elu, calcium carbonate na masterbatch agba.Ịgbakwunye obere polyethylene nrụgide dị elu nwere ike ibelata viscosity na ịgbaze ọsọ nke ihe na-erugharị n'oge extrusion, mee ka mmiri dịkwuo elu, meziwanye ike na nro nke yarn dị larịị na akpa a kpara akpa, nọgide na-enwe ụfọdụ elongation na nkwụsịtụ, ma melite ala dị ala. mmetụta okpomọkụ nke polypropylene..
Mgbakwunye nke polypropylene anyadokwa nwere ike ibelata okpomọkụ nhazi na nrụgide.Na-eme ka ihe na-asọba na ntanye na-eme ka ọ dịkwuo mma, na ọbụna na-abawanye ike nkwụsị.Mgbakwunye nke calcium carbonate nwere ike ịgbanwe ntụpọ nke nghọta na opacity, belata ọkụ eletrik na-emerụ ahụ nke na-akpata esemokwu n'oge ịgbatị na ịkwa akwa, na-abawanye nchikota ink nke ụkpụrụ ụghalaahịa e biri ebi, ma belata ndapụta eke nke ngwaahịa emechara n'oge nchekwa.
Oge nzipu: Ọktoba 20-2022