Echiche izugbe nke plastic masterbatch
Plastic masterbatchnwere ike ịhụ dị ka polymersmasterbatch.Enwere ike ime polymer site n'ụdị 'mers' dị iche iche nke na-anọchi anya nkeji kemịkalụ.Ọtụtụ kemikal na-esite na mmanụ ma ọ bụ hydrocarbon ndị ọzọ.Hydrocarbons dị ka ọ pụtara, nke hydrogen na carbon mere.Ya mere, a na-eji plastik mee (nke ka ukwuu) hydrogen na carbon nke agbakọtara ọnụ iji mepụta mers (dị ka ethylene ma ọ bụ propylene) wee jikọta ndị a na-emepụta ụdọ na mgbe agbụ ndị a toro ogologo iji ghọọ 'poly' na-emekarị mgbe ọ dịkarịa ala. 100 nke ndị mers ejikọtala ọnụ, anyị ga-enweta ihe plastik / polymeric.
Plastic masterbatchbụ nke ezinụlọ thermoplastic bụ ihe mejupụtara ụmụ irighiri ihe dị ogologo nke gụnyere carbon na hydrogen a na-akpọ polymers.Okwu a na-ejikọta "poly" na-ezo aka ọtụtụ na "mer" na-ezo aka n'otu n'otu n'otu n'otu molecular ikwugharị nkeji na-agbụkọ.The mer components nke dị iche iche nke plastics, ike nke molekụla agbụ nke na-ejide ndị mers na ibe na ogologo nke polymer chains bụ ndị bụ isi na-ekpebi nke plastic Njirimara.Ụfọdụ plastik na-agbanwe ihe karịrị otu ụdị nkeji mer.
Plasticsmasterbatchnke ezinụlọ Thermoset mgbe yiri ndị a kọwara n'elu nwere njikọ dị iche iche n'etiti mers gụnyere cross-links na-enye ha ihe dị iche iche gụnyere na-abịa na ọnọdụ okpomọkụ dị elu na enweghị ike ịgbaze tupu ire ere ka okpomọkụ na-abawanye.
Na-agbaji plastic masterbatch
Ọtụtụ n'imeplastic masterbatchgbawara na crackers!
Steam crackers na isi.Ma ọ bụghị naanị.
Enwere ụyọkọ thermoplastics dum nke sitere na akụrụngwa a na-akpọ ethylene.A na-emepụtakwa ethylene n'ụzọ dịgasị iche iche, karịsịa site na mmanụ ma ọ bụ mmanụ gas.
Otu ụzọ na-ewu ewu bụ itinye nri nri n'ime uzuoku cracker na nsonaazụ ethylene, yana ihe ndị ọzọ.A na-emezi ethylene polymerized ka ọ bụrụ polyethylene ma ọ bụ polypropylene tumadi ma ọ bụghị naanị.A na-emekwa PVC, PS, PET, butadiene.
Nke a bụ ihe si n'otu akụkọ na-akọwa nke ahụplastic masterbatchka mma:
"Ethylene bụ mmalite maka ngwaahịa njedebe anọ tozuru oke: polyethylene (ụdị atọ: LDPE, LLDPE, na HDPE), ethylene oxide, ethylene dichloride (ihe na-ebute vinyl chloride monomer), na ethylbenzene (onye na-ebu ụzọ styrene).Mpịakọta dị nta, ngwaahịa ndị pụrụ iche gụnyere linear α-olefins, vinyl acetate monomer, na ethanol sịntetik, wdg."
Ndị na-esonụ bụ ndepụta ụfọdụ ethylene na-ewu ewumasterbatchngwaahịa:
| PVA Poly (vinyl acetate), poly (vinyl mmanya) | PET Poly (ethylene terephthalate) |
| PVC Poly (vinyl chloride) | PS Polystyrene |
| LLDPE Polyethylene dị obere njupụta | PEG Poly (etylene glycol) |
| LDPE Polyethylene dị obere | HDPE polyethylene dị elu |
Ka ọ dị ugbu a, ụzọ kachasị na-emepụta ethylene bụ uzuoku na-agbawa nri nri gas (ethane, propane, ma ọ bụ butane) ma ọ bụ nri nri mmiri (naphtha ma ọ bụ mmanụ gas).N'ebe okpomọkụ dị oke elu nke sitere na ogo Celsius 850 ma ọ bụ karịa karịa, a na-agba ọsọ usoro nhazi usoro nke mechanized na-abụghị catalytic cracking.Ethylene bụ ngwaahịa a chọrọ;ma ihe ndị ọzọ bara uru ihe mgbochi ụlọ, dị ka propylene, butadiene, na benzene, na-ejikọta ọnụ.
Mkpụrụ nke mkpụrụ osisi ọ bụla na-abụkarị ọrụ nke nri nri ejiri.Ịgbawa ethane na-enye ihe fọrọ nke nta ka ọ bụrụ ọ dịghị coproducts;mana mgbawa naphtha na-enye nnukwu propylene, butadiene, na benzene.Dị ka a na-ele ya anya dị ka ọ dị n'ụwa nile, a pụrụ ịhụ mgbawa na-esi ísì ụtọ dị ka otu n'ime ihe ndị kasị mkpa nke butadiene, propylene na isi ihe na-eduga na benzene.Foto na-esonụ na-egosi atụmatụ nke usoro nhazi nke igwe uzuoku na-agbawa n'ụzọ kachasị mfe.
Oge nzipu: Eprel-07-2022