Nke Andy sitere na ụlọ ọrụ Baiyear
Emelitere na Nọvemba 2, 2022
Nke a bụ ebe akụkọ ụlọ ọrụ na-akpụzi ịgba ọgwụ mgbochi ọrịa Baiyear.Na-esote, Baiyear ga-ekewa usoro ịkpụzi injection n'ime ọtụtụ akụkọ iji webata nyocha nke akụrụngwa nke usoro ịkpụzi injection, n'ihi na enwere ọtụtụ ọdịnaya.Na-esote bụ isiokwu nke isii.
(14).PPO (polyphenylene ether)
1. Arụmọrụ PPO
Polyphenylene oxide bụ poly-2,6-dimethyl-1,4-phenylene oxide, nke a makwaara dị ka polyphenylene oxide, aha Bekee Polyphenyleneoxiole (nke a na-akpọ PPO), ether polyphenylene gbanwere na polystyrene ma ọ bụ polymers ndị ọzọ.Polyphenylene ether mmekọahụ, nke a na-akpọ MPPO.
PPO (NORLY) bụ rọba injinia nwere ọmarịcha akụrụngwa zuru oke.Ọ nwere ike siri ike karịa PA, POM na PC, ike ọrụ dị elu, ezigbo nkwụsi ike, ezigbo nguzogide okpomọkụ (okpomọkụ deformation okpomọkụ bụ 126 ℃), na nkwụsi ike dị elu (okpomọkụ shrinkage).ọnụego 0.6%), nnabata mmiri dị ala (ihe na-erughị 0.1%).Ihe ọghọm ya bụ na ọ naghị eguzosi ike na ụzarị ultraviolet, ọnụahịa ahụ dị elu, na usoro onunu ogwu dị obere.
PPO abụghị ihe na-egbu egbu, nke na-akọwapụta ihe, nwere njupụta dị ala, ma nwee ike ọrụ dị mma, nkwụsi ike nke ntụrụndụ, nkwụsi ike na-ekpo ọkụ, nkwụsi ike ọkụ, nkwụsị mmiri, na nkwụsị nke mmiri.Ezigbo ọkụ eletrik dị n'ọtụtụ dịgasị iche iche nke okpomọkụ na mgbanwe ugboro ugboro, ọ dịghị hydrolysis, obere ịkpụzi shrinkage, ire ọkụ retardant na-emenyụ onwe ya, adịghị mma iguzogide inorganic acid, alkalis, aromatic hydrocarbons, halogenated hydrocarbons, mmanụ, wdg, dị mfe aza ma ọ bụ. mgbawa nrụgide, ihe ndị bụ isi na-adịghị mma bụ mmiri na-agbaze na-adịghị mma, nhazi siri ike na ịmepụta, ọtụtụ n'ime ngwa ndị bara uru bụ MPPO (PPO mixs or alloys), dị ka PS mgbanwe nke PPO, nwere ike ime ka ọrụ nhazi ahụ dịkwuo mma, meziwanye nkwụsị nke nrụgide na mmetụta. Nguzogide arụmọrụ, mbelata ọnụ ahịa, naanị ntakịrị mbelata na nguzogide okpomọkụ na gloss.
Ndị polymer gbanwetụrụ gụnyere PS (gụnyere HIPS), PA, PTFE, PBT, PPS na ndị elastomers dị iche iche, polysiloxane, paraffin PPO gbanwetụrụ, ngwaahịa kachasị ukwuu, MPPO bụ ihe eji eme ihe n'ozuzu injinia plastik alloy dị iche iche.Ụdị MPPO buru ibu bụ PPO/PS, PPO/PA/elastomers na PPO/PBT elastomer alloys.
2. Usoro nhazi nke PPO:
PPO nwere viscosity gbazee dị elu, mmiri adịghị mma, yana ọnọdụ nhazi dị elu.Tupu nhazi, ọ dị mkpa ka akpọnwụ ya na okpomọkụ nke 100-120 Celsius C maka awa 1-2, okpomọkụ na-akpụzi bụ 270-320 Celsius C, a na-achịkwa okpomọkụ nke ebu na 75-95 Celsius C.nhazi.N'ime usoro mmepụta nke plastic biya biya, ụkpụrụ jet (usoro serpentine) dị mfe ịmepụta n'ihu oghere, na ọwa mmiri nke nozzle ka ọ ka mma karịa.
Opekempe kacha nta sitere na 0.060 ruo 0.125 inch maka ịkpụzi ọkọlọtọ yana 0.125 ruo 0.250 inch maka ụfụfụ nhazi, yana ọkụ sitere na UL94 HB ruo VO.
3. Ụdị ngwa ngwa:
Enwere ike ịhazi PPO na MPPO site na usoro nhazi dị iche iche dị ka ịkpụzi injection, extrusion, ịkpụzi ịkpụzi, ịkpụzi, ụfụfụ na electroplating, mkpuchi mkpuchi, nhazi ígwè obibi akwụkwọ, wdg, n'ihi nnukwu mgbaze viscosity na nnukwu nhazi okpomọkụ.
A na-ejikarị PPO na MPPO na ngwa elektrọn, ụgbọ ala, ngwa ụlọ, akụrụngwa ụlọ ọrụ na igwe ụlọ ọrụ mmepụta ihe, wdg, na-eji MPPO maka nguzogide okpomọkụ, nkwụsi ike mmetụta, nkwụsi ike akụkụ, nkwụsi ike ọkọ, na nguzogide peeling;
Ihe osise na ihe eletriki: eji eme ụgbọ ala dashboards, radiator grids, ọkà okwu grilles, consoles, fuse igbe, relay igbe, njikọ, wheel mkpuchi;A na-eji ya n'ọtụtụ ebe na ụlọ ọrụ eletriki na eletrọnịkị iji rụpụta njikọ, ikuku ikuku Spools, ntụgharị relays, akụrụngwa ngbanwe, nnukwu ihe ngosi eletrọnịkị, ndị na-agbanwe agbanwe, ngwa batrị, igwe okwu na ihe ndị ọzọ.
A na-eji ngwa ụlọ eme ihe maka igwe onyonyo, igwefoto, teepu vidiyo, ihe na-edekọ teepu, igwe ntụ oyi, igwe ọkụ, ite osikapa na akụkụ ndị ọzọ.Enwere ike iji ya dị ka akụkụ dịpụrụ adịpụ na ihe ndị dị na ya maka ndị na-emepụta ihe, usoro kọmputa, ndị na-ebi akwụkwọ, igwe faksị, wdg. Tụkwasị na nke ahụ, enwere ike iji ya dị ka igwefoto, ngụ oge, mgbapụta mmiri, shea na-agbapụta na akụkụ, ngwa ngwa ngwa ngwa, pipeline, valvụ ahụ. ngwa ịwa ahụ, sterilizer na akụkụ akụrụngwa ọgwụ ndị ọzọ.
Enwere ike iji ịkpụzi nnukwu ihe na-akpụ akpụ maka akụkụ ụgbọ ala buru ibu dị ka ndị na-emebi emebi, ihe na-ebupụ, na ịkpụzi obere ụfụfụ.Ọ dabara maka imepụta ngwaahịa buru ibu nke nwere nnukwu nkwụsi ike, nkwụsi ike akụkụ, nnabata ụda dị mma, na ihe owuwu dị n'ime ụlọ dị mgbagwoju anya, dị ka shei igwe dị iche iche, ntọala, ime ihe nkwado na imewe nwere nnwere onwe dị ukwuu, ngwaahịa ahụ dịkwa arọ.
(15).PBT polybutylene terephthalate
1. Arụmọrụ PBT:
PBT bụ otu n'ime thermoplastics injinia siri ike.Ọ bụ ihe ọkara kristal nwere ezigbo nkwụsi ike kemịkalụ, ike igwe, ihe mkpuchi ọkụ na nkwụsi ike ọkụ.Ihe ndị a nwere nkwụsi ike dị mma n'ọtụtụ ọnọdụ gburugburu ebe obibi, na PBT nwere njirimara hygroscopic adịghị ike.Ike ike nke PBT na-akwadoghị bụ 50MPa, na ike ike nke ụdị ihe mgbakwunye iko PBT bụ 170MPa.Ihe mgbakwunye iko dị ukwuu ga-eme ka ihe ahụ na-agbaji agbaji.
PBT;crystallization na-adị ngwa ngwa, nke ga-eme ka nrụrụ na-ehulata n'ihi oyi na-enweghị isi.N'ihi na ihe na iko ihe mgbakwunye, shrinkage na usoro ntụziaka nwere ike ibelata, ma shrinkage na ntụziaka perpendicular ka usoro bụ isi bụ otu ihe ahụ dị ka ndị nkịtị ihe.
Ọnụego mbelata ihe niile dị n'etiti 1.5% na 2.8%.Ngwa ndị nwere ihe mgbakwunye iko 30% na-agbada n'etiti 0.3% na 1.6%.Ebe mgbaze (225% ℃) na okpomọkụ nrụrụ dị elu dị ala karịa ihe PET.Okpomọkụ dị nro nke Vicat bụ ihe dịka 170 Celsius.Okpomọkụ mgbanwe iko (glass trasitiotemperature) dị n'etiti 22°C na 43°C.
N'ihi ọnụ ọgụgụ kristal dị elu nke PBT, viscosity ya dị ntakịrị, na oge okirikiri nke nhazi akụkụ plastik na-adịkarị ala.
2. Usoro nhazi nke PBT:
ihicha: Ihe a na-adị mfe hydrolyzed na elu okpomọkụ, ya mere ihicha tupu nhazi dị mkpa.Na-atụ aro ihicha ọnọdụ na ikuku bụ 120C maka 6 ~ 8 awa, ma ọ bụ 150C maka 2 ~ 4 awa.
Iru mmiri kwesịrị ịbụ ihe na-erughị 0.03%.Ọ bụrụ na ị na-eji hygroscopic desiccator ihicha, ọnọdụ akwadoro bụ 150 Celsius C maka awa 2.5.The nhazi okpomọkụ bụ 225 ~ 275 ℃, na-atụ aro okpomọkụ bụ 250 ℃.N'ihi na unreinforced ihe onwunwe, ebu okpomọkụ bụ 40 ~ 60 ℃.Ọwa jụrụ oyi nke ebu kwesịrị ịdị mma nke ọma iji belata nkwụsị nke akụkụ plastik.Mgbasa ọkụ ga-adị ngwa ngwa na ọbụna.
Dayameta akwadoro nke ọwa jụrụ oyi bụ 12mm.Nrụgide injection bụ agafeghị oke (ruo 1500bar), na ịgba ntụtụ kwesịrị ịdị ngwa ngwa o kwere mee (n'ihi na PBT na-agbake ngwa ngwa).Onye na-agba ọsọ na ọnụ ụzọ ámá: A na-atụ aro ka iji onye na-agba ọsọ okirikiri mee ka nnyefe nke nrụgide dịkwuo elu (usoro ahụmahụ: onye na-agba ọsọ ọsọ = akụkụ plastik + 1.5mm).
Enwere ike iji ụdị ọnụ ụzọ ámá dị iche iche.A pụkwara iji ndị na-agba ọsọ na-ekpo ọkụ na-ekpo ọkụ, ma ekwesịrị ịkpachara anya iji gbochie nkwụsị na mmebi nke ihe.Ọnụ ụzọ ámá dayameta kwesịrị ịdị n'etiti 0.8 ~ 1.0 * t, ebe t bụ ọkpụrụkpụ nke plastic akụkụ.Ọ bụrụ na ọ bụ ọnụ ụzọ okpuru mmiri, a na-atụ aro dayameta kacha nta nke 0.75mm.
3. Ụdị ngwa ngwa:
ngwa ụlọ (agụba nhazi nri, ihe ndị na-ehicha ihe, igwe ọkụ eletrik, ebe a na-ehicha ntutu, arịa kọfị, wdg), ihe eletriki (mgbanwe, ụlọ moto, igbe fuse, igodo keyboard kọmputa, wdg), ụlọ ọrụ ụgbọ ala (radiator grilles, wdg), akụkụ ahụ, ihe mkpuchi wiil, ọnụ ụzọ na akụkụ windo, wdg.
Ewebatala ọtụtụ ihe ọmụma na mpaghara a.Maka ama ndị ọzọ, Baiyear ga-emelite ya ozugbo enwere ike.Anyị ga na-emelite akụrụngwa plastik mgbe niile, nhazi ịkpụzi injection, ntinye ihe eji akpụzi ihe, imewe ihe, ịkpụzi ihe, iwebata akụrụngwa, nhazi mpempe akwụkwọ, ozi ọma gbasara mmepụta igbe nkesa, mmepụta igbe igwe, iwebata ngwa nhazi akụrụngwa, enweghị mmiri. igbe junction, mkpuchi windo mmiri na-adịghị, wdg Ọ bụrụ na ị nwere mmasị na ihe ọmụma dị n'elu, ị nwere ike ịkpọtụrụ m n'oge ọ bụla, m ga-enwe obi ụtọ ijere gị ozi ma na-atụ anya mbata gị.
kọntaktị: Andy Yang
Gịnị bụ ngwa : +86 13968705428
Email: Andy@baidasy.com
Oge nzipu: Nov-29-2022
