Kedu ihe bụ PP ihe?
PP dị mkpụmkpụ maka Polypropylene, polymer thermoplastic nke sitere na polymerisation nke propylene monomer. Dị ka ihe dị mkpa rọba akụrụngwa, PP nwere ọtụtụ ngwa ngwa na ndụ kwa ụbọchị na mmepụta mmepụta ihe. N'isiokwu a, anyị ga-enyocha n'ụzọ zuru ezu ihe PP ihe bụ, yana àgwà, ojiji na uru.
Njirimara ndị bụ isi nke ihe PP
Ihe PP nwere ezigbo anụ ahụ na kemịkal. Njupụta ya dị ala, naanị ihe dị ka 0.9 g / cm³, bụ njupụta kacha nta nke plastik nkịtị, n'ihi ya, ọ nwere ihe dị arọ karị.PP ihe ọkụkụ na-eguzogide ọgwụ na-eguzogide ọgwụ dịkwa mma, enwere ike iji ya mee ihe na okpomọkụ n'elu 100 Celsius C na-enweghị nrụrụ, na ọtụtụ n'ime acid, alkalis na organic solvents nwere ezigbo nguzogide corrosion. N'ihi uru ndị a, ihe PP aghọwo ezigbo nhọrọ n'ọtụtụ mpaghara.
Nhazi na ngbanwe nke ihe PP
Enwere ike kewaa ihe PP ka ọ bụrụ isi ụzọ abụọ, homopolymer polypropylene na copolymer polypropylene, dabere na usoro ha na akụrụngwa ha. Homopolymer polypropylene nwere nnukwu siri ike na ike, na-eme ka ọ dị mma maka ngwaahịa ndị nwere ihe siri ike dị elu, ebe copolymer polypropylene nwere mmetụta siri ike na ike mmetụta n'ihi ntinye nke vinyl units, a na-ejikarị ya eme ihe na ngwa ndị na-achọ ka mmetụta kachasị mma.PP nwekwara ike gbanwee site n'ịgbakwụnye enyo fibers, mineral fillers, ma ọ bụ ire ọkụ retardants na-emeziwanye ihe na-eguzogide ngwa ngwa na-egbo mkpa anụ ahụ. Enwere ike gbanwee PP site na ịgbakwunye fibers iko ma ọ bụ ihe ndị na-ahụ maka ịnweta ma ọ bụ ihe ọkụ ọkụ iji meziwanye ihe anụ ahụ ya na nguzogide okpomọkụ iji zute ọtụtụ ngwa.
Mpaghara ngwa nke ihe PP
Enwere ike ịchọta ihe PP n'ebe niile na ndụ, ngwa ha na-ekpuchikwa ọtụtụ ubi, site na nkwakọ ngwaahịa na ngwaahịa ụlọ na ụlọ ọrụ ụgbọ ala na akụrụngwa ahụike. N'ihe gbasara nkwakọ ngwaahịa, a na-eji ihe PP eme ihe n'ọtụtụ ebe na-emepụta ihe oriri, ihe mkpuchi karama ihe ọṅụṅụ, ihe nkiri na ngwaahịa ndị ọzọ, nke a na-amasị ya n'ihi na ha adịghị egbu egbu, enweghị ụtọ na kwekọrọ na ụkpụrụ nchekwa nri. Na ngwaahịa ụlọ, a na-ejikarị ihe PP eme igbe nchekwa, nkata ịsa ákwà, ngwá ụlọ na ihe ndị ọzọ. N'ihi ezigbo okpomọkụ na nguzogide kemịkalụ, a na-ejikwa PP na ụlọ ọrụ ụgbọ ala na-eme bumpers, dashboards na batrị batrị, wdg. A na-ejikwa PP eme ihe n'ọtụtụ ebe na ngalaba ahụike, dị ka sirinji a na-ewepụ, karama infusion na ngwá ọrụ ịwa ahụ.
Enyi na gburugburu ebe obibi na adigide
N'ime afọ ndị na-adịbeghị anya, ka mmata gburugburu ebe obibi na-abawanye, ihe PP enwetawo nlebara anya karịa n'ihi mweghachi ha na mmetụta gburugburu ebe obibi dị ala. Enwere ike megharịa ihe PP site na ịmegharị ihe mgbe emechara ya, na-ebelata mmetọ na gburugburu ebe obibi. Ọ bụ ezie na ihe PP abụghị ihe na-emebi emebi, enwere ike ibelata mmetụta gburugburu ebe obibi ya nke ọma site na njikwa mkpofu sayensị na imegharị ya. Ya mere, a na-ewere ihe PP dị ka ihe dị mma na gburugburu ebe obibi na ihe plastik na-adigide.
Nchịkọta
Ihe PP bụ ihe eji eme plastik na-agbanwe agbanwe nke nwere ọtụtụ ngwa. Njupụta ya dị ala, nguzogide okpomọkụ, nguzogide kemịkalụ na recycability na-eme ka ọ bụrụ otu n'ime ihe ndị dị mkpa na ụlọ ọrụ ọgbara ọhụrụ na ndụ kwa ụbọchị. Site n'ịghọta ihe ihe PP bụ na akụkụ nke ngwa ya, ị nwere ike iji uru nke ihe a mee ihe nke ọma iji nye nhọrọ a pụrụ ịdabere na ya maka ịmepụta na mmepụta nke ụdị ngwaahịa niile.