Iindaba zeNkampani

1. Ubuninzi/umlinganiselo

Uxinano oluhambelanayo lubhekisa kumthamo wenkampani yezinto zeekhemikhali.

Umlinganiselo ubhekisa kumlinganiselo woxinano oluhambelanayo lwento yekhemikhali kunye noxinano lwamanzi.

2. Ubushushu bokufuma kunye ne-coefficient yoxinzelelo

Ubushushu bokufuma bubungakanani obuhlala kwigram nganye yeplastiki (cm³/g), kwayeukucinezelekangumlinganiselo womthamo okanye ubushushu bokufuma phakathi komgubo we-electrostatic kunye nenxalenye yeplastiki (ixabiso layo lihlala lidlula i-1). Zonke zingasetyenziselwa ukucacisa ubungakanani begumbi lokukhupha ifilimu. Ixabiso elikhulu lexabiso eliqhelekileyo lichaza ukuba umthamo wegumbi lokukhupha kufuneka ube mkhulu. Kwangaxeshanye, likwabonisa ukuba umgubo we-electrostatic unomoya omninzi wokumpompa, umbhobho wokukhupha unzima, ixesha lokubumba lide, kwaye ukusebenza kakuhle kwemveliso kuphantsi. Okuchaseneyo kuyinyani ukuba ubushushu bokufuma buncinci, kwaye kulungile ukucinezela nokunciphisa.

3.Ukufunxwa kwamanzi

Ukufunxwa kwamanzi kubhekisa kwinqanaba lokugaywa kwamanzi ngeplastiki kunye nokufunxwa kwamanzi. Indlela yokulinganisa kukuqala ukomisa isampuli uze uyilinganise. Emva kokuyifaka emanzini iintsuku ezingama-24 okanye ezimbini, yisuse uze uyilinganise kwakhona, uze ubale ipesenti eyongeziweyo kwisixa, esikukufunxwa kwamanzi.

4. Ukusebenza ngokuzilolonga

Amandla eplastiki okugcwalisa umngxuma phantsi kobushushu kunye noxinzelelo lokusebenza abizwa ngokuba ngumsebenzi. Yinto ephambili yeteknoloji yokucubungula eqwalaselwayo xa ukunyathela kufa. Isebenza intsha kulula ukuyenza ikhanya kakhulu, umngxuma wokuzalisa awuxinene, iindawo zeplastiki zisasazwa ngokukhululekileyo, i-epoxy resin kunye nezizalisi ziqokelelwa ngokwahlukeneyo, kulula ukunamathela kwisikhunta, ukukhupha isikhunta kunye nokugqiba kunzima, ukuhla okuqinileyo kusekuqaleni kakhulu kunye nezinye iingxaki. Nangona kunjalo, ukuba umsebenzi mncinci, ukuzaliswa kufutshane, akulula ukwenza, kwaye uxinzelelo lokwenza lukhulu kakhulu. Ke ngoko, umsebenzi wokusebenzisa iiplastiki uhambelana nemigaqo yeendawo zeplastiki, iinkqubo zokwenza kunye nemigangatho yokwenza.

5. Iimpawu zokubeka isiseko esiqinileyo

I-polyurethane elastomer iguqulwa ibe yimeko ethambileyo phantsi kobushushu kunye noxinzelelo ngexesha lonke lenkqubo yokwenza. Njengoko umsebenzi usanda, umngxuma uzaliswa, kwaye kwangaxeshanye, ukuxinana kwe-aldol kuyenzeka. Uxinano oludibanisayo luyaqhubeka nokwanda, kwaye umsebenzi uyaguquguquka. Ngumatshini wokwenza ngokuzenzekelayo othomalalisa kwaye womise kancinci kancinci izinto ezinyibilikisiweyo. Xa unyathela iimolds, isantya sokufaka i-hard bottom sikhawuleza, kwaye izixhobo ezinemisebenzi emifutshane yesihloko esiqhubekayo kufuneka ziqaphele ukwenza kube lula ukondla, ukulayisha kunye nokukhupha izinto ezifakiweyo, kunye nokukhetha imigangatho yokwenza esebenzayo kunye nemisebenzi yokwenyani ukuze kuthintelwe ukugoba okunzima kwangethuba okanye ukugoba okunzima. Ukunqongophala, okubangela ukugoba kakubi kwamacandelo eplastiki.

6.Ukufuma kunye neeCompounds ze-Organic eziguquguqukayo

Zonke iintlobo zeeplastiki zinamanqanaba ahlukeneyo okufuma kunye neekhompawundi eziphilayo eziguquguqukayo. Xa zininzi kakhulu, umsebenzi uyakhula, kulula ukuphuphuma, ixesha lokunyamezela lide, linciphisa ukwanda, kwaye kulula ukuvelisa iipateni zamaza, ukwanda kunye nokucutheka kunye nezinye iingxaki kunye nomonakalo. Imisebenzi yobunjineli boomatshini kunye nombane kwiindawo zeplastiki. Nangona kunjalo, xa iplastiki ilula kakhulu, iya kubangela umsebenzi ombi kunye nokwakheka okunzima. Ke ngoko, iiplastiki ezahlukeneyo kufuneka zifudunyezwe njengoko kufuneka. Kulula ukufudumeza izixhobo ngokufunxwa kwamanzi ngamandla, ngakumbi kwixesha lonyaka elinomswakama, nokubaizixhobo ezishushukufuneka kuthintelwe. Ukufunxwa komswakama

7.Uvakalelo lobushushu

Iplastiki ebuthathaka kubushushu ibhekisa kwezinye iiplastiki ezikwaziyo ukufudumala ngakumbi. Xa zidibana nobushushu kubushushu obuphezulu, ixesha lide okanye inxalenye enqamlezileyo yokuvula ukutya incinci kakhulu. Xa isiphumo sokwenyani sokusika sikhulu, ukunyuka kobushushu bokubumba kusenokwenzeka ukuba kubangele ukutshintsha kombala, ukususwa kwepolymer, kunye nokuqhekeka. Iiplastiki ezineempawu ezinjalo zibizwa ngokuba ziiplastiki ezibuthathaka kubushushu.

8. Uvakalelo lwamanzi

Ezinye iiplastiki (ezifana ne-polycarbonate) zinomlinganiselo omncinci wamanzi, kodwa ziya kwahluka phantsi kobushushu obuphezulu kunye noxinzelelo oluphezulu. Olu hlobo lomsebenzi lubizwa ngokuba lubuthathaka bamanzi, kwaye kulula ukulifudumeza kwangaphambili.

9.Ukufunxwa kwamanzi

Iiplastiki ziqikelele ukuba ngenxa yokuba kukho iintlobo ngeentlobo zezongezo ezenza zibe namanqanaba ahlukeneyo okuhambelana namanzi, iiplastiki zinokwahlulwa zibe ziintlobo ezimbini: ukufunxwa komswakama, ukunamathela komswakama, kunye nokungaxutywanga kwamanzi kwaye kunzima ukunamathela emanzini. Kuqikelelwa ukuba umxholo womswakama ulawulwa ngaphakathi koluhlu oluvumelekileyo, kungenjalo ukufuma kuba ngumphunga phantsi kobushushu obuphezulu kunye noxinzelelo oluphezulu okanye isiphumo sokwenyani sempendulo ye-hydrolysis siyenzeka, nto leyo eya kubangela ukuba i-epoxy resin iqhume, inciphise umsebenzi wayo, kwaye ingabi nambonakalo kunye nemisebenzi yobunjineli boomatshini kunye nombane. Ke ngoko, iiplastiki ezifunxa amanzi zifudunyezwa ngeendlela ezifanelekileyo zokufudumeza kunye nemigangatho njengoko kufuneka, kwaye i-induction ethe ngqo ye-infrared isetyenziselwa ukuthintela ukufunxwa komswakama kwakhona ngexesha lokusetyenziswa.

10.Ukuphefumla

Ukuphefumla kubhekisa kumsebenzi wokuhambisa umphunga wefilimu yeplastiki okanye ibhodi yeplastiki

11.Ixabiso lesalathisi sokunyibilika

I-Melt Index (MI) lixabiso eliqhelekileyo elibonisa umsebenzi wezinto zeplastiki ngexesha lokuveliswa nokucutshungulwa.

12.Amandla okuxinana/ukunwebeka kokuqhekeka

Amandla okutsalwa abhekisa kubungakanani bamandla afunekayo ukolula izinto zeplastiki ukuya kwinqanaba elithile (njengomda wokukhupha okanye indawo yokuqhekeka). Ngokuqhelekileyo iphawulwa yindawo iyonke yeshishini ngalinye. Kwaye ipesenti yobude emva kokutsala ubude ukuya kubude bokuqala kukwandiswa kokuqhekeka.

13.Amandla okuxinana aqinileyo

Amandla okucinezela amaqhuma kukukwazi kweplastiki ukumelana namaqhuma.

14.Amandla okucinezelwa kwempembelelo

Amandla okuxinana kwempembelelo abhekisa kumandla entshukumo eplastiki enokuthwala xa ichaphazeleka ngamandla angaphandle.

15.Amandla

Amandla eeplastiki eziqhelekileyo adla ngokubonakaliswa ziindlela ezimbini zokuhlola, ubulukhuni beRockwell kunye nobulukhuni bukaSomo. Ngeli xesha, u-A kaShao wayesoloko esetyenziselwa ukulinganisa iiplastiki ezithambileyo, ezifana neTPE kunye nezinye ii-polyurethane elastomers okanye irabha evulcanized, njl.njl.; u-D kaShao wayesetyenziselwa ukulinganisa iiplastiki eziqinileyo, ezifana neeplastiki ezisetyenziswa ngokubanzi kunye nezinye iiplastiki zobunjineli, kwaye uninzi lweeplastiki zeProjekthi yobunjineli ezisebenza kakhulu okanye iiplastiki zeprojekthi yobunjineli eziqinileyo kufuneka zilinganiswe nguRockwell.

16.Ubushushu obuphazamisa ubushushu

Ubushushu obutshintsha ubushushu bubushushu apho iplastiki yovavanyo ibhityile ukuya kwinqanaba eliphantsi koxinzelelo olusebenzayo kunye nobushushu.

17.Ukumelana nobushushu obuphezulu bexesha elide

Ukumelana nobushushu obuphezulu bexesha elide kubhekisa ekumelaneni nobushushu bezinto zeplastiki xa zisetyenziswa ixesha elide.

18.Uphawu olumelana nesinyibilikisi

Uhlobo lweyeza elimelana ne-solvent lubhekisa ekuguqulweni kobunzima, umthamo, amandla okutsalwa kunye nokwandiswa kwezinto zeplastiki emva kokuntywiliselwa kwi-organic solvent kubushushu obuthile kangangexesha elithile. Utshintsho oluncinci lwe-genetic lubonisa utshintsho oluhle kakhulu lwe-Dielectric.

19.Ukumelana nokwaluphala

Ukumelana nokwaluphala kubhekisa ekumelaneni kwezinto zeplastiki neengozi zelanga, ubushushu, umoya, umoya kunye nemvula kwindawo yendalo yangaphandle, ezibangela utshintsho olukhulu kunye nokonakala.

20.Ukucaca

I-Clarity ibhekisa ekudluliseleni ukukhanya kweeplastiki kwindawo yokukhanya okubonakalayo. Iiplastiki zinokwahlulwa zibe kukudluliselwa kokukhanya, ukucaca kunye nokungacaci ngokwenqanaba lokudlula kokukhanya.

21.ukugudama

Ubuthambileyo bubhekisa kwinqanaba leglasi yesibuko efana neyezinto zeekhemikhali ezinokurhoxisa ukukhanya. Ubuthambileyo obuhle bubhekisa kumphezulu okhanyayo wezinto zeekhemikhali.

22.Umaleko wokukhusela utshabalalisa i-voltage esebenzayo

I-voltage yokusebenza yokutshatyalaliswa kwe-insulating layer yi-voltage yokusebenza eyonyusa umahluko ophezulu kwisixhobo sovavanyo ukuze ifikelele ekutshatyalalisweni kwamandla e-dielectric, eyahlulwe ngexabiso (Kv/mm) lomgama phakathi kwee-electrodes ezimbini (ubukhulu besixhobo sovavanyo).

23.ubushushu bokudibana

Ubushushu bokudibana bukwabizwa ngokuba bubushushu bokunyibilika nokufuma, obu ngamandla e-kinetic afunekayo kwi-composition okanye melting and crystallization ye-crystalline polymer. Le nxalenye yamandla e-kinetic isetyenziselwa ukunyibilikisa isakhiwo se-crystalline sezinto ze-polymer. Ke ngoko, xa i-crystalline polymer icutshungulwa ngokubumba nge-injection, ifuna amandla e-kinetic angaphezulu ukuze ifikelele kubushushu obuthile bokunyibilika kunaxa i-polymer engaguqukiyo icutshungulwa ngokubumba nge-injection. Akukho mfuneko yobushushu bokunyibilika nokufuma.

24.ubushushu obuthile

Ubushushu obuthile bubungakanani bobushushu obufunekayo xa ubushushu bezinto ezikrwada zeshishini bunyuka nge-1 degree [J/kg.k].

25.ukusasazeka kobushushu

Ukusasazwa kobushushu kubhekisa kwisantya apho ubushushu buqikelelwa ukuba buya kudluliselwa khona kwizinto zokufudumeza. Ikwabizwa ngokuba yi-heat transfer coefficient. Ixabiso layo lixabiso lobushushu (ubushushu obuthile) kunye nokugaywa kwezinto kunye nokufunxwa okufunekayo xa ubushushu bezinto ezikrwada ezisemgangathweni weshishini bunyuka nge-1 degree. Isantya sobushushu (heat transfer coefficient) sikhethiwe. Uxinzelelo olusebenzayo alunabungozi kangako kwi-thermal diffusion coefficient, kodwa ubushushu buyingozi kakhulu.