Mgbanwe anụ ahụ nke Polypropylene
Ịtinye ihe mgbakwunye organic ma ọ bụ inorganic na matrix PP ( polypropylene ) n'oge ngwakọta na nhazi iji nweta ihe mejupụtara PP dị elu. Ụzọ ndị bụ isi gụnyere mgbanwe njupụta na mgbanwe ngwakọta.
Ndozi ndochi
N'ime usoro ịkpụzi PP, a na-agbakwunye ihe ndị dị ka silicates, calcium carbonate, silica, cellulose, na iko iko na polymer iji meziwanye nguzogide okpomọkụ, belata ọnụ ahịa, ịbawanye nkwụsi ike, na ibelata ịkpụzi shrinkage nke PP. Otú ọ dị, mmetụta ike na elongation nke PP ga-ebelata. Fibre iko, dị ka ihe mara mma inorganic na-abụghị ọla whisker, nwere ọnụ ala dị ala, ihe mkpuchi dị mma, nguzogide okpomọkụ, nguzogide corrosion, na ike ọrụ dị elu. A na-eji ya eme ihe n'ọtụtụ ebe, na arụmọrụ nke PP gbanwere site na ndochi fiber iko na-emeziwanye nke ọma. Agbanyeghị, mgbe ọdịnaya eriri iko ruru ihe dị ka 30%, enwere ike imeziwanye akụrụngwa akụrụngwa nke ihe ahụ. Mgbakwunye nke eriri iko nwere ike ibute enweghị impregnation nke ụfọdụ eriri iko, na-eduga n'ịrụ ọrụ njikọ na-adịghị mma n'etiti matriks polymer na eriri iko, na-ebute mbelata n'ike igwe nke ihe mejupụtara. Ọzọkwa, ka eriri iko iko na-abawanye, ikike nke ihe mejupụtara ihe mejupụtara na-ebelata, na-eduga na ihe isi ike na ịkpụzi PP na nhazi.
Ngbanwe mgbanwe
Na-ejikọta PP (polypropylene) na polyethylene, plastik engineering, thermoplastic elastomer ma ọ bụ roba iji melite arụmọrụ nke PP. A na-emecha ngbanwe ngwakọta na akụrụngwa nhazi dị ka igwekota ime, igwe igwe mepere emepe, na extruders. Usoro dị mfe ịchịkwa, nwere obere mmepụta okirikiri, na ọnụ ala dị ala, ma nwee ike imeziwanye ihe dị iche iche nke PP dị ka agba agba, nhazi nhazi, ihe ndị na-adịghị mma, na nkwụsị mmetụta. Ịgwakọta polymer nwere ike iji ihe ndị pụtara ìhè nke akụrụngwa nke ọ bụla mee ihe n'ụzọ zuru ezu, mejupụta adịghị ike nke akụrụngwa nke ọ bụla, ma melite arụmọrụ zuru oke nke ngwakọta ahụ. Otú ọ dị, nguzogide okpomọkụ dị ala na ịka nká nke PP agwakọtara ka na-adịchaghị mma. N'oge mgbanwe mgbanwe, shiee ike nwere ike ime ka e bee ụfọdụ nnukwu agbụ nke molekụla wee mepụta free radicals, nke nwere ike na-etolite aka ma ọ bụ gbochie copolymers na-arụ ọrụ nke ọma dị ka compatibilizers maka PP.
Nkà na ụzụ mgbanwe nke PP agbasawanyela ngwa ngwa nke ihe ndị mejupụtara ma mee ka ọnụ ahịa ngwaahịa dị mma, kwalite usoro nhazi nke PP, ma gbasaa ngwa ngwa ya site na plastik n'ozuzu ruo na plastik engineering. N'ime afọ ndị na-adịbeghị anya, nyocha na mmepe nke teknụzụ mgbanwe PP etolitela ngwa ngwa, na ọtụtụ teknụzụ ọhụrụ etinyere na mgbanwe PP, nke mere ka arụmọrụ zuru oke nke PP dịkwuo mma ma na-aga n'ihu na-agbasawanye mpaghara ngwa ya, na-enwe atụmanya mmepe sara mbara.
Ndozi mmezi
Ịtinye ihe ndị nwere fibrous na rọba nwere ike ime ka ike nke ihe rọba dịkwuo mma, n'ihi ya, a na-eme mgbanwe aha. Akụrụngwa nwere oke dayameta-to-ọkpụrụkpụ nwere ike imeziwanye modul na-ehulata (rigidity) nke ihe plastik, nke nwekwara ike ịkpọ mgbanwe nkwalite.
The mkwado ihe tumadi eji na mkwado mgbanwe nke PP (polypropylene) bụ iko eriri na ngwaahịa ya, nakwa dị ka carbon eriri, organic eriri, boron eriri, whiskers, wdg N'etiti ha, iko emep uta eri eji iko eriri mesikwuru PP bụ. Ọtụtụ ndị na-abụghị alkali iko emep uta eri na ọkara-alkali iko emep uta eri, na-abụghị alkali iko emep uta eri nwere kasị ego. A na-achịkwa dayameta nke eriri iko n'ime oke nke 6-15μm, na ogologo nke eriri iko ga-ekwe nkwa na ọ ga-adị n'ime 0.25-0.76mm, nke nwere ike hụ na arụmọrụ nke ngwaahịa ahụ na-eme ka eriri iko ahụ gbasaa nke ọma.
A na-ekwenyekarị na ogologo eriri iko dị na ngwaahịa ahụ kwesịrị ịdị karịa 0.2mm iji nwee mmetụta mgbanwe. Ọdịnaya eriri iko (irighiri oke) kacha mma n'etiti 10% na 30%, arụmọrụ na-ebelata mgbe ọ gafere 40%. Na mgbakwunye, ịgbakwunye organosilane njikọ njikọta nwere ike ime ka eriri iko na PP bụrụ ezigbo interface, melite modulus na-ehulata, ike ike, ọnọdụ nrụrụ ibu, yana nkwụsi ike akụkụ nke sistemu mejupụtara. PP na-emesi ike na eriri iko nwere ike imeziwanye ike igwe na nguzogide okpomọkụ, yana nguzogide ya na vepo mmiri, corrosion kemịkalụ, na creep dịkwa mma. Enwere ike iji ya dị ka plastik injinịa n'ọtụtụ oge, dị ka igwe fan, ihe ọkụ ọkụ ọkụ, ihe ọkụ ọkụ, oriọna oriọna, ọkụ eletrik, na ụlọ kpo oku, wdg.
Ọ bụ ezie na mmepụta nke polypropylene na-amụba ngwa ngwa, arụmọrụ ya na-eme ka ọ dịkwuo mma mgbe niile, na-eme ka ngwa ya gbasaa na omimi na-agbanwe agbanwe mgbe niile. N'ime afọ ndị na-adịbeghị anya, ụfọdụ ụdị polypropylene ọhụrụ nwere ihe pụrụ iche apụtala, dị ka polypropylene transperent na polypropylene dị ike na-agbaze, ma ọ bụ site na mmezi nke mmeghachi omume polymerization ma ọ bụ ihe ndị e mere n'oge granulation mgbe polymerization.
