Abstract:I-ADX-600 iyi-core-shell acrylic impact modifier resin(AIM) eyenziwe nge-emulsion polymerization yinkampani yethu.Umkhiqizo ungasebenza njengesilungisi sethonya se-PVC.I-ADX-600 AIM ingangena esikhundleni se-CPE ne-MBS ngokuya ngokuqhathaniswa kwamapharamitha wokusebenza ahlukahlukene phakathi kwe-AIM nezilungisi zethonya ezihlukile ze-PVC.Imikhiqizo ye-PVC ewumphumela ibonisa izakhiwo ezinhle kakhulu zemishini, ukusebenza kokucubungula kanye nokusebenza okungabizi kakhulu.
Igama elingukhiye:I-AIM, i-CPE, i-MBS, isishintshi somthelela, izakhiwo zemishini
Isingeniso
I-PVC isebenza njengepulasitiki yendawo yonke enesivuno esikhulu kanye nobubanzi bokusebenza emhlabeni.Isetshenziswe kabanzi ezintweni zokwakha, imikhiqizo yezimboni, amapayipi asetshenziswa nsuku zonke, izinto zokuvala, imicu, njll. I-PVC ibonisa izakhiwo eziningi ezinhle kakhulu ukuze zisetshenziswe kabanzi kuzo zombili izimboni nezimboni.Kodwa-ke, i-PVC resin ingeyezinto eziphukayo.Isigaba sayo sengilazi esiqhubekayo asikwazi ukuvimbela ukwanda okukhulu kwemifantu ngaphansi kokucindezeleka futhi ekugcineni kwakha izikhala nokuqhekeka okuqhekekile.Ngakho-ke, uhlobo olunjalo lwezinto lubonisa ukumelana nomthelela omubi.Kodwa-ke, lokhu kushiyeka kunganqotshwa ngokwengeza isilungisi somthelela ezintweni ze-PVC ngesikhathi sokukhiqiza nokubumba.
Izilungisi zomthelela ezinhle kufanele zifakwe ngokulandelayo izici ezinhle kakhulu:
(1) Izinga lokushisa eliphansi ngokuqhathaniswa ne-vitrification Tg;
(2) Ukuhambisana kwesiguquli somthelela ngokwaso ne-PVC resin;
(3) Ukumataniswa kwe-viscosity kwezishintshi zomthelela nge-PVC;
(4) Awukho umthelela omubi osobala ezakhiweni ezibonakalayo kanye nezakhiwo ezingokomzimba nezomshini zePVC;
(5) Ukumelana nesimo sezulu esihle kanye nempahla evuvukalayo.
Iziguquli zomthelela ezijwayelekile ze-PVC eqinile ikakhulukazi zifaka i-chlorinated polyethylene (CPE), i-acrylate (ACR), i-ethylene-vinyl acetate copolymer (EVA), i-methyl methacrylate-butadiene-styrene ternary graft copolymer(MBS) kanye ne-acrylonitrile-butadiene-styrene-ABScopolymer ).Phakathi kwazo, i-chlorinated polyethylene impact modifier isetshenziswe kabanzi eShayina futhi i-acrylate nayo iya ngokuya yamukelwa ngenxa yezakhiwo zayo ezinhle kakhulu.Sekuyinkinga evamile ukuthi ungathuthukisa kanjani ukumelana nomthelela nokwenza lula ukukhishwa kwepulasitiki.
Umkhiqizo wethu we-AIM i-ADX-600 ungangena esikhundleni se-CPE ne-MBS.Ingathuthukisa kakhulu uketshezi kanye nokwakheka okushisayo kwe-PVC kuncibilike futhi ngaleyo ndlela kube lula ukwenziwa kwePVC.Imikhiqizo ewumphumela ibonisa amandla omthelela aphezulu kanye nokumelana nesimo sezulu esihle, ukuzinza nokucubungula impahla enobuso obushelelezi, obuhle futhi obucwebezelayo.Okulandelayo, sihlaziye i-ACR, i-CPE ne-MBS kulezi zici ezilandelayo.
I. Indlela Yokuqinisa I-PVC Impact Modifiers
I-Chlorinated polyethylene (CPE) isebenza njengama-molecule aqondile ahlakazwe ku-PVC matrix ngendlela yenethiwekhi.Umgomo wokumelana nomthelela ukwakha inethiwekhi enwebekayo ezintweni ze-matrix ye-PVC ukuze umelane nomthelela wangaphandle.Inethiwekhi enjalo ijwayele ukonakala ngaphansi kwamandla aqinile.Lokhu kuzocupha ukushelela kwe-shear kwenhlanganisela nge-engeli engu-30° ukuya ku-45° ukusuka ohlangothini oluqinile, ngaleyo ndlela kwakhe ibhande lokugunda, limunce inani elikhulu lamandla okuguqula, futhi kuthuthukise ukuqina kwesistimu yokuhlanganisa.Izinguquko ekukhiqizweni kwengcindezi yezinto ezibonakalayo ngaphansi kwamandla angaphandle ziboniswa kuzibalo ezilandelayo.
I-ACR ne-MBS ziyingxenye ye-"core-shell" ye-copolymer impact modifier.Umnyombo wayo usebenza njenge-elastomer exhumene kancane, edlala indima enkulu ekuthuthukiseni ukuqina nokumelana nomthelela.Igobolondo layo lisebenza njenge-polymer ephezulu ye-molecular enezinga lokushisa eliphakeme le-vitrification, elidlala indima enkulu ekuvikeleni umgogodla wenjoloba kanye nokwenza ngcono ukuhambisana ne-PVC.Lolu hlobo lwezinhlayiya zesilungisi kulula ukuhlukaniswa futhi zingahlakazwa ngokulinganayo ku-matrix ye-PVC ukuze kwakheke isakhiwo "sesiqhingi solwandle".Uma impahla ingaphansi komthelela wangaphandle, izinhlayiya zenjoloba ezinemodulus ephansi zijwayele ukuwohloka.Ngesikhathi esifanayo, i-de-bonding kanye ne-cavity kwakhiwa njengoba impahla iqhutshwa ukuguqulwa kwe-PVC nge-modulus ephezulu.Uma lezo zimbobo zakheka eduze ngokwanele, ungqimba lwe-matrix phakathi kwezinhlayiya zenjoloba lungaveza futhi luthuthukise ukuqina kwento.Isimiso sokumelana nomthelela siboniswa esithombeni esingezansi.
I-CPE, i-ACR ne-MBS zibonisa ukuzwela okuhlukile emandleni omshini ngenxa yendlela yazo ehlukahlukene eqinisayo.Ngesikhathi sokucutshungulwa, izinhlayiya ze-ACR ne-MBS zisatshalaliswa ku-matrix ye-PVC ngesenzo sokugunda, kwakheka ukwakheka "kwesiqhingi solwandle" futhi ngaleyo ndlela kuthuthukise ukuqina kwento.Ngisho noma amandla okucubungula enyuka, lesi sakhiwo ngeke sibe sengozini kalula.Umphumela omuhle kakhulu wokuqina ungagcwaliseka kuphela njengoba isilungisi se-CPE ne-PVC zihlanganiswa zibe isakhiwo senethiwekhi esigoqe izinhlayiya eziyinhloko ze-PVC.Kodwa-ke, lesi sakhiwo senethiwekhi singafakwa engozini kalula ngenxa yezinguquko zokushuba kokucubungula.Ngakho-ke, izwela kumfutho wokucubungula futhi isebenza ebangeni elincane lokucubungula.
II.Ukuqhathaniswa Kwezakhiwo Ezihlukahlukene phakathi kwe-ADX-600 AIM kanye neziguquli ezihlukile ze-PVC Impact
1. Ifomula Yokuhlola Okubalulekile
| Igama | I-Organo-tin Heat Stabilizer (HTM2010) | I-calcium Stearate | I-Titanium Dioxide | I-PE-6A | 312 | I-calcium carbonate | I-PVC-1000 |
| Umthamo/g | 2.0 | 0.7 | 4.0 | 0.6 | 0.2 | 5.0 | 100.0 |
2. Impahla Enomthelela
| Izinto | Amagama Esampula | Amazinga Wokuhlola | Amayunithi | Inani elingeziwe(phr) | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | ||||
| Umthelela Ovela Ku-Notched Cantilever Beam | ADX-600 | I-ASTM D256 | KJ/m2 | 5.44 | 6.30 | 7.78 | 8.72 | 9.92 | 12.02 |
| I-ACR Evela Kwamanye Amazwe | KJ/m2 | 4.62 | 5.01 | 7.68 | 8.51 | 9.63 | 11.85 | ||
| I-MBS | KJ/m2 | 5.32 | 5.39 | 7.52 | 8.68 | 9.78 | 11.99 | ||
| CPE | KJ/m2 | 3.54 | 4.25 | 5.39 | 6.32 | 7.01 | 8.52 | ||
| Impact From Notch-free Cantilever Beam | ADX-600 | J/m | 57.03 | 63.87 | 72.79 | 88.23 | 100.09 | 121.32 | |
| I-ACR Evela Kwamanye Amazwe | J/m | 46.31 | 50.65 | 72.55 | 85.87 | 97.92 | 119.25 | ||
| I-MBS | J/m | 53.01 | 62.07 | 71.09 | 87.84 | 99.86 | 120.89 | ||
| CPE | J/m | 21.08 | 37.21 | 47.59 | 59.24 | 70.32 | 82.21 | ||
3. Izakhiwo Zokunweba / Ukugoba (Lonke inani elingeziwe lingu-6phr)
| Izinto | Amazinga Wokuhlola | Amayunithi | Izinkomba zobuchwepheshe (ADX-600) | Izinkomba Zobuchwepheshe(ACR Evela Kwamanye Amazwe) | Izinkomba zobuchwepheshe(MBS) | Izinkomba zobuchwepheshe(CPE) |
| I-Tensile Elasticity Modulus | I-ASTM D638 | I-MPa | 2546.38 | 2565.35 | 2500.31 | 2687.21 |
| I-Tensile Elongation Yield | I-ASTM D638 | % | 28.38 | 27.98 | 26.84 | 17.69 |
| Amandla Okuqina | I-ASTM D638 | I-MPa | 43.83 | 43.62 | 40.89 | 49.89 |
| Ukugoba i-Modulus | I-ASTM D790 | I-MPa | 2561.11 | 2509.30 | 2528.69 | 2678.29 |
| Ukugoba Amandla | I-ASTM D790 | I-MPa | 67.39 | 65.03 | 66.20 | 69.27 |
Ukuhlaziya: Ngokusho kwedatha engenhla yezakhiwo zikamshini:
① Ngaphansi kwemithamo efanayo, ukusebenza komkhiqizo wethu i-ADX-600 kungcono kunokwemikhiqizo ye-MBS ne-ACR evela emazweni angaphandle.Umkhiqizo wethu ungawashintsha ngenani elilinganayo.
② Ngaphansi kwemithamo efanayo, ukusebenza komkhiqizo wethu i-ADX-600 kuphezulu kakhulu kunokwe-CPE.Ngokusekelwe ekuhloleni okuningi, kuqinisekisiwe ukuthi imithamo emi-3 ye-ADX-600 kanye nemithamo emi-3 ye-CPE ingangena esikhundleni sokusetshenziswa imithamo engu-9 ye-CPE.Izakhiwo ezithile zemishini ziboniswa kanje.
| Izinto | Amazinga Wokuhlola | Amayunithi | Izinkomba zobuchwepheshe(ADX-600/3phr+CPE/3phr) | Izinkomba zobuchwepheshe(CPE/9phr) |
| Umthelela Ovela Ku-Notched Cantilever Beam | I-ASTM D256 | KJ/m2 | 9.92 | 9.86 |
| Impact From Notch-free Cantilever Beam | I-ASTM D256 | J/m | 97.32 | 96.98 |
| I-Tensile Elasticity Modulus | I-ASTM D638 | I-MPa | 2250.96 | 2230.14 |
| I-Tensile Elongation Yield | I-ASTM D638 | % | 101.25 | 100.24 |
| Amandla Okuqina | I-ASTM D638 | I-MPa | 34.87 | 34.25 |
| Ukugoba i-Modulus | I-ASTM D790 | I-MPa | 2203.54 | 2200.01 |
| Ukugoba Amandla | I-ASTM D790 | I-MPa | 60.96 | 60.05 |
4.Ukucubungula Izenzo
Umdwebo ongezansi ubonisa ijika le-rheological.Umugqa obomvu: ADX-600/3phr+CPE/3phr;umugqa oluhlaza okwesibhakabhaka: CPE/9phr
Ama-balance torques alawa amabili ayafana ngokuyisisekelo, futhi ukufakwa kwe-plastification kwempahla eshintshwe yi-ADX-600/3PHr +CPE/3PHR kuhamba kancane kodwa kungaphakathi kokulawula ngokuvumelana nesibalo.Ngakho-ke, mayelana nokucubungula, imithamo emi-3 ye-ADX-600 kanye nemithamo emi-3 ye-CPE ingangena esikhundleni sokusetshenziswa kwemithamo engu-9 ye-CPE.
III.Iziphetho
Ngokuqhathanisa phakathi kwe-ADX-600 AIM kanye ne-CPE kanye ne-MBS kuzakhiwo zemishini nokuziphatha kokucubungula, isiphetho esilandelayo sithathwe ekuhlaziyweni okuhlosiwe ukuthi imithamo emi-3 ye-ADX-600 kanye nemithamo emi-3 ye-CPE ingangena esikhundleni sokusetshenziswa kwemithamo eyi-9 ye-CPE. .I-ADX-600 AIM ibonisa ukusebenza okungcono okubanzi, imikhiqizo yayo ewumphumela ibonisa ukusebenza okungcono nokusebenza okungabizi kakhulu.
I-ADC-600 AIM ingeye-acrylate copolymer ene-core-shell structure.I-ACR ibonisa ukumelana nesimo sezulu esingcono, ukuzinza kokushisa nesilinganiso senani lokusebenza kune-MBS ngoba eyokuqala ayinayo ibhondi ephindwe kabili.Ngaphezu kwalokho, i-ACR iphinde ibonise izinzuzo zobubanzi bokucubungula okubanzi, isivinini sokukhipha ngokushesha, ukulawula okulula, njll. Isetshenziswa kakhulu emikhiqizweni ye-PVC eqinile futhi eqinile, ikakhulukazi yezinto zokwakha zamakhemikhali nemikhiqizo yangaphandle, njengamaphrofayili, amapayipi, ukufakwa kwamapayipi, amabhodi, izinto eziphuphuma amagwebu, njll. Isebenza njengohlobo lwesiguquli esinomthelela esinomthamo omkhulu njengamanje kanye namandla amakhulu okuthuthuka esikhathini esizayo.
Isikhathi sokuthumela: Jun-20-2022