ngwa

WPC bụ ihe ngwakọta mejupụtara site na iji plastik gbazee ọkụ, gụnyere polyethylene, polypropylene, polyvinyl chloride na copolymers ha dị ka adhesives, na-eji ntụ ntụ dị ka osisi, ahịhịa ahịhịa, ahịhịa ahịhịa ahịhịa, ntụ ntụ dị ka ihe ndochi, ịkpụzi extrusion ma ọ bụ usoro ịpị, usoro ịkpụzi injection.Enwere ike iji ihe eji eme ihe na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-emepụta ihe ma ọ bụ ihe mkpofu ndụ, osisi ntụ ntụ nwekwara ike iji osisi nhazi osisi, obere osisi na osisi ndị ọzọ dị ala.Site na mmepụta nke akụrụngwa, ngwaahịa plastik osisi na-ebelata ma na-ewepụ mmetọ nke ihe mkpofu rọba, ma wepụkwa mmetọ nke ihe ọkụkụ na-arụ ọrụ ugbo na-akpata na gburugburu ebe obibi.Nhọrọ nke usoro ihe n'ime usoro ihe mejupụtara gụnyere akụkụ ndị a:

1. Polymers

Ihe ndị a na-eji eme ihe na nhazi nke osisi-plastic composites nwere ike ịbụ thermoset plastics na thermoplastics, thermoset plastics dị ka epoxy resins, thermoplastics dị ka polyethylene (PE), polypropylene (PP) na polyoxyethylene (PVC).N'ihi nkwụsi ike na-adịghị mma nke eriri osisi, ọ bụ naanị thermoplastics nwere okpomọkụ nhazi n'okpuru 200 Celsius ka a na-ejikarị eme ihe, karịsịa polyethylene.Nhọrọ nke polymers rọba na-adabere na njirimara ebumpụta ụwa nke polymer, mkpa ngwaahịa, nnweta akụrụngwa, ọnụ ahịa na ogo nke ịmara ya.Dị ka: A na-ejikarị polypropylene eme ihe na ngwaahịa ụgbọ ala na ngwaahịa ndụ kwa ụbọchị, a na-ejikarị PVC eme ihe n'ọnụ ụzọ ụlọ na windo, paving panels na ihe ndị ọzọ.Tụkwasị na nke ahụ, ọnụego agbaze agbaze (MFI) nke plastik nwekwara mmetụta ụfọdụ na njirimara nke ihe mejupụtara, n'okpuru otu ọnọdụ nhazi ahụ, MFI nke resin dị elu, ntinye zuru ezu nke ntụ ntụ osisi ka mma, nkesa nke ntụ ntụ osisi na-eme ka ọ bụrụ otu, na ntinye na nkesa nke ntụ ntụ na-emetụta ihe eji arụ ọrụ nke ihe mejupụtara, karịsịa ike mmetụta.

2. Ihe mgbakwunye

Ebe ọ bụ na ntụ ntụ osisi nwere ike ịmị mmiri na polarity siri ike, na ọtụtụ thermoplastics bụ ndị na-abụghị polar na hydrophobic, ndakọrịta dị n'etiti abụọ ahụ adịghị mma, na ike njikọ interface dị ntakịrị, na mgbakwunye kwesịrị ekwesị na-ejikarị eme ihe iji gbanwee elu nke polymer. na ntụ ntụ osisi iji meziwanye mmekọrịta dị n'etiti ntụ ntụ na resin.Ọzọkwa, mmetụta mgbasa nke ntụ ntụ osisi dị elu na-ejuputa na thermoplastics a wụrụ awụ adịghị mma, mgbe mgbe n'ụdị nchịkọta, na-eme ka mgbaze na-agbaze adịghị mma, nhazi extrusion siri ike, ọ dị mkpa ka a na-agbakwunye ndị na-ahụ maka ọgwụgwọ elu iji mee ka ọ dịkwuo mfe iji mee ka ọ dị mfe. extrusion ịkpụzi.N'otu oge ahụ, matrix plastik kwesịrị ịgbakwunye ihe mgbakwunye dị iche iche iji meziwanye ọrụ nhazi ya na iji ngwaahịa emechara emecha, meziwanye ike njikọ dị n'etiti ntụ ntụ osisi na polymer na ihe eji arụ ọrụ nke ihe mejupụtara.Ihe mgbakwunye ndị a na-ejikarị gụnyere ngalaba ndị a:

a) Njikọ njikọ nwere ike ịmepụta njikọ siri ike n'etiti plastik na osisi ntụ ntụ;N'otu oge ahụ, ọ nwere ike belata mmịpụta mmiri nke ntụ ntụ osisi ma melite ndakọrịta na mgbasa nke ntụ ntụ osisi na plastik, ya mere a na-emeziwanye ihe eji arụ ọrụ nke ihe ndị mejupụtara.Ngwakọta ndị a na-ejikarị eme ihe bụ: isocyanate, isopropylbenzene peroxide, aluminate, phthalates, silane coupling agent, maleic anhydride modified polypropylene (MAN-g-PP), ethylene-acrylate (EAA).N'ozuzu, ihe mgbakwunye nke onye na-emekọ ihe ọnụ bụ 1wt% ~ 8wt% nke agbakwunyere ntụ ntụ osisi, dị ka onye na-ejikọta silane nwere ike imeziwanye ike nke plastik na ntụ ntụ osisi, meziwanye mgbasa nke ntụ ntụ osisi, belata absorption mmiri, na alkaline. ọgwụgwọ nke osisi ntụ ntụ nwere ike imeziwanye mgbasa nke ntụ ntụ osisi, enweghị ike imezi mmịpụta mmiri nke ntụ ntụ osisi na adhesion ya na plastik.Ekwesiri iburu n'uche na onye na-ejikọta nwoke na nwanyị na-eme ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-asọ oyi, nke ga-eduga n'ịbelata àgwà ngwaahịa na mkpụrụ mgbe ejikọtara ọnụ.

b) Plasticizer N'ihi na ụfọdụ resins na elu iko mgbanwe okpomọkụ na gbazee eruba viscosity, dị ka hardness PVC, ọ na-esi ike hazie mgbe ọ na-ejikọta ya na osisi ntụ ntụ, na ọ na-adịkarị mkpa ịgbakwunye plasticizer iji melite ya nhazi arụmọrụ.Plasticizer molekụla Ọdịdị nwere polar na-abụghị polar mkpụrụ ndụ ihe nketa, n'okpuru omume nke elu okpomọkụ shiee, ọ nwere ike ịbanye polymer molekul yinye, site polar mkpụrụ ndụ ihe nketa na-adọta ibe ha na-etolite a edo na kwụsiri ike usoro, na ogologo na-abụghị polar molekul ntinye ya. na-ebelata mmasị nke mkpụrụ ndụ polymer, nke mere na nhazi ahụ dị mfe.A na-agbakwụnyekarị Dibutyl phthalate (DOS) na ndị ọzọ plasticizers na osisi-plastic composites.Dị ka ihe atụ, na PVC osisi ntụ ntụ ihe mejupụtara ihe, mgbakwunye nke plasticizer DOP nwere ike ibelata okpomọkụ nhazi, belata ire ere na anwụrụ ọkụ nke osisi ntụ ntụ, na-emeziwanye ike tensile nke ihe mejupụtara mgbe elongation na nkwụsịtụ na-abawanye na mmụba nke ọdịnaya DOP.

c) Ihe na-eme ka ihe na-egbuke egbuke osisi-plastic composites na-achọkarị ịgbakwunye mmanụ na-eme ka mmiri na-agbaze na-eme ka mmiri dịkwuo mma na ọdịdị elu nke ngwaahịa ndị a na-emepụta, na-ekewa mmanụ mmanu ndị a na-eji mee ihe n'ime mmanụ aṅụ na n'èzí.Nhọrọ nke mmanu mmanu na-ejikọta ya na resin matrix a na-eji, nke ga-enwerịrị ezigbo ndakọrịta na resin na okpomọkụ dị elu, ma na-emepụta ụfọdụ mmetụta plasticizing, belata ike njikọ n'etiti ụmụ irighiri ihe na resin, na-ebelata esemokwu n'etiti ụmụ irighiri ihe, na iji belata viscosity gbazee nke resin ma melite ịgbaze mmiri.Mmanu na-apụ apụ n'ezie na-arụ ọrụ nke interface mmanu n'etiti resin na ntụ ntụ n'ime nhazi ịkpụzi plastik, ọrụ ya bụ isi bụ ịkwalite mmịfe nke ihe resin.Ọtụtụ mgbe, mmanụ mmanu na-enwekarị ma n'ime ma n'èzí mmanu mmanu.Lubricants nwere mmetụta ụfọdụ na ndụ ọrụ nke ebu, gbọmgbọm na ịghasa, ike mmepụta nke extruder, ike oriri na mmepụta usoro, n'elu elu nke ngwaahịa na obere okpomọkụ mmetụta arụmọrụ nke profaịlụ.Ihe mmanu a na-ejikarị eme ihe bụ: zinc stearate, ethylene bisfatty acid amide, polyester wax, stearic acid, lead stearate, polyethylene wax, paraffin wax, oxidized polyethylene wax na ihe ndị ọzọ.

d) Colorant N'iji osisi-plastic ihe mejupụtara ihe mejupụtara, ihe na-edozi ahụ na ntụ ntụ osisi dị mfe ịkwaga n'elu ngwaahịa ahụ, nke mere na ngwaahịa decolorization, na-emecha ghọọ isi awọ, ngwaahịa dị iche iche na ebe a na-eji eme ihe, ma. na-emepụtakwa ntụpọ ojii ma ọ bụ ntụpọ nchara.Ya mere, a na-ejikwa ihe ndị na-acha agba agba na-emepụta ihe na-emepụta osisi-plastic.Ọ nwere ike ime ka ngwaahịa ahụ nwee otu na agba kwụsiri ike, na decolorization na-adị ngwa ngwa.

e) Ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ osisi-plastic nwere ọtụtụ uru, ma n'ihi nchịkọta nke resin na ntụ ntụ, a na-ebelata ductility ya na mmetụta mmetụta ya, ihe ahụ na-agbaji, na njupụta fọrọ nke nta ka ọ bụrụ okpukpu abụọ karịa nke osisi omenala. ngwaahịa, na-amachi oke ojiji ya.N'ihi na ezi afụ Ọdịdị, na foamed osisi-plastic mejupụtara nwere ike passivate mgbape n'ọnụ na n'ụzọ dị irè gbochie mgbasa nke mgbape, si otú budata mma mmetụta iguzogide na ductility nke ihe onwunwe, na ukwuu ibelata njupụta nke ngwaahịa.Enwere ọtụtụ ụdị ihe na-afụ ụfụ, ma enwere ụzọ abụọ a na-ejikarị eme ihe: ihe na-eme ka ọkpụkpụ endothermic (dị ka sodium bicarbonate NaHCO3) na exothermic ịfụ mmadụ (azodibonamide AC), nke omume decomposition thermal dị iche, ma nwee mmetụta dị iche iche na viscoelasticity na ụdị ụfụfụ nke polymer gbazee, ya mere, a ga-ahọrọ onye na-afụ ụfụ kwesịrị ekwesị dịka ihe achọrọ nke iji ngwaahịa.

f) Ngwa nke UV stabilizers na ndị ọzọ UV stabilizers nwekwara mepụtara ngwa ngwa na mma nke ndị mmadụ chọrọ maka àgwà na ogologo oge nke osisi-plastic composites.Ọ nwere ike ime ka polima na ihe mejupụtara ihe anaghị emebi ma ọ bụ ihe eji arụ ọrụ na-ada.Ndị a na-ejikarị eme ihe bụ amine light stabilizers na ultraviolet absorbers.Tụkwasị na nke ahụ, iji mee ka ihe ndị mejupụtara ihe mejupụtara nwere ike ịnọgide na-enwe ọdịdị dị mma na ịrụ ọrụ zuru oke, ọ na-adịkarị mkpa ịgbakwunye ndị na-eme ihe na-egbu egbu, na nhọrọ nke ndị na-ahụ maka nje bacteria kwesịrị ịtụle ụdị ntụ ntụ osisi, ọnụ ọgụgụ nke mgbakwunye, nje bacteria na. ihe mejupụtara ihe eji eme ihe na gburugburu ebe obibi, ọdịnaya mmiri nke ngwaahịa na ihe ndị ọzọ.Zinc borate, dịka ọmụmaatụ, bụ ihe nchekwa mana ọ bụghị algal.

Nmepụta na iji ihe ndị mejupụtara osisi-plastic agaghị eme ka ihe ndị na-emebi emebi na-emerụ ahụ ike mmadụ na gburugburu ebe obibi, na ngwaahịa osisi-plastic n'onwe ha nwere ike ịmegharị ma jiri ya mee ihe, ya mere ngwaahịa osisi-plastic bụ ụdị ọhụrụ nchebe gburugburu ebe obibi ndụ ndụ. ngwaahịa, nke nwere ike ịdị ọcha onwe ya na gburugburu ebe obibi ma nwee atụmanya mmepe sara mbara