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Gịnị mere plastic agba kenha ngwaahịa echefu?

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Note: Ọnwụ nke ngwaahịa plastik na-acha agba nwere njikọta na nguzogide ọkụ, nguzogide oxygen, iguzogide okpomọkụ, acid na alkali resistance nke toner, yana njirimara nke resin ejiri.

Ngwaahịa na-acha plastik ga-ada mbà n'ihi ọtụtụ ihe. Ọnwụ nke ngwaahịa plastik na-acha agba nwere njikọta na nguzogide ọkụ, nguzogide oxygen, iguzogide okpomọkụ, acid na alkali resistance nke toner, yana njirimara nke resin ejiri.

Ihe ndị a bụ nkọwa zuru ezu banyere ihe na-agbacha agbacha nke agba agba rọba:

1. Lightness nke na-acha agba

Udo ngwa ngwa nke agba na-emetuta ngwa ngwa nke ngwaahịa a. Maka ngwaahịa ndị dị n'èzí gosipụtara ìhè dị ike, ịdị ngwa ọkụ (ọkụ ọkụ) ọkwa chọrọ nke agba agba bụ ihe ngosi dị mkpa. Ọsọ ngwa ngwa ọkụ adịghị mma, ngwaahịa a ga-ada ngwa ngwa n'oge ojiji. Igwe ọkụ na-eguzogide ọkụ ahọpụtara maka ngwaahịa na-eguzogide ihu igwe agaghị adị ala karịa akara isii, ọkacha mma akara asaa ma ọ bụ asatọ, na ngwaahịa ime ụlọ nwere ike ịhọrọ akara anọ ma ọ bụ ise.

Iguzogide ọkụ nke resin ụgbọelu ahụ nwekwara mmetụta dị ukwuu na mgbanwe agba, na usoro ihe omimi nke resin na-agbanwe wee daa mgbe anwụ na-acha ọkụ ọkụ ultraviolet. Gbakwunye ndị na-eme ka ìhè dị ka ultraviolet absorbers na masterbatch nwere ike melite nguzogide ọkụ nke agba na ngwaahịa plastik nwere agba.

2. Nguzogide okpomoku

Ọnọdụ nrụgide nke ihe na-eguzogide ihe na-ekpo ọkụ na-ezo aka n'ọ̀tụ̀tụ̀ ịdị arọ nke okpomọkụ, ịpụpụ, na ịla n'iyì nke ihe na-acha odo odo na ọnọdụ nhazi.

A na-ejikarị ihe ndị na-emepụta ihe dị iche iche na-emepụta ihe ndị dị na metal oxides na salts, na-enwe ezigbo nkwụsi ike na nrụgide ọkụ dị elu. Ngwongwo ndị na-emepụta ihe ndị na-emepụta ihe na-edozi ahụ ga-enweta mgbanwe mgbanwe nke mkpụrụ ndụ na obere ire ere na ọnọdụ okpomọkụ ụfọdụ. Karịsịa maka ngwaahịa PP, PA, PET, ọnọdụ nhazi dị n'elu 280 ℃. Mgbe ị na-ahọrọ agba, onye kwesịrị ị attentiona ntị na nguzogide ọkụ nke pigmenti, na oge iguzogide okpomọkụ nke pigmenti kwesịrị ịtụle ya n'aka nke ọzọ. Oge na-eguzogide ọkụ na-abụkarị 4-10min. .

3. Antioxidant

Organicfọdụ pigmenti pigmenti na-enweta macromolecular degradation ma ọ bụ mgbanwe ndị ọzọ mgbe ọxịdashọn na-eji nwayọọ nwayọọ na-ada. Usoro a bụ oxidation dị elu n'oge nhazi, na ọxịdashọn mgbe ọ na-ezute oxidants siri ike (dịka chromate na chrome yellow). Mgbe ọdọ mmiri ahụ gasịrị, azo pigmenti na odo chrome na-ejikọ ọnụ, agba uhie ga-eji nwayọ nwayọ.

4. Acid na alkali iguzogide

Ọnwụ nke ngwaahịa plastik na-acha agba nwere njikọ na nguzogide kemịkal nke agba (acid na alkali na-eguzogide, njigide oxidation-mbelata nguzogide). Dịka ọmụmaatụ, molybdenum chrome red na-eguzogide ọgwụ dilute acid, ma na-echebara alkalis echiche, na cadmium odo adịghị eguzogide ọgwụ acid. Ihe nchacha abuo abuo a na phenolic resins nwere ezigbo mbenata mmetuta na ufodu ndi ozo, nke n’emetuta ihe na-ekpo oku na iguzogide ihu igwe nke ndi na eme ka oria.

Maka nsị nke ngwaahịa ndị nwere agba plastik, a ga-ahọrọ ya dịka ọnọdụ nhazi na iji ihe eji achọ ngwaahịa plastik, mgbe nyocha zuru ezu nke njirimara ndị a kpọtụrụ aha n'elu nke pigments chọrọ, dyes, surfactants, dispersants, ụgbọelu resins na mgbochi merela agadi.

Micro ogwu ogbugba
 
 
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