Takaitawa:ADX-600 shine ainihin-harsashi mai jurewa ACR guduro wanda aka ƙera ta hanyar emulsion polymerization ta kamfaninmu.Samfurin na iya aiki azaman mai canza tasiri ga PVC.ADX-600 tasirin ACR na iya maye gurbin CPE da MBS bisa ga kwatancen sigogin aiki daban-daban tsakanin tasirin ACR da masu gyara tasirin tasirin PVC daban-daban.Abubuwan da aka samu na PVC suna nuna kyawawan kaddarorin injiniyoyi, aikin sarrafawa da ingantaccen aiki mai inganci.
Mabuɗin kalma:ACR, CPE, MBS, mai gyara tasiri, kayan aikin injiniya
Gabatarwa
PVC yana aiki azaman filastik na duniya tare da mafi girman yawan amfanin ƙasa da fa'idar aikace-aikace a duniya.An yadu amfani a cikin al'amurran kamar gini kayan, masana'antu kayayyakin, yau da kullum amfani bututu, sealing kayan, zaruruwa, da dai sauransu PVC nuna da yawa kyau kwarai kaddarorin ga wani m aikace-aikace a duka masana'antu da kuma farar hula sassa.Duk da haka, resin PVC na kayan gagajewa ne.Tsawon lokaci na gilashin da yake ci gaba da yi ba zai iya hana tsattsauran faɗakarwa na tsatsauran ra'ayi a ƙarƙashin damuwa ba kuma a ƙarshe ya haifar da raguwa da fashewar fashewa.Saboda haka, irin wannan nau'in kayan yana nuna rashin juriya mara kyau.Duk da haka, ana iya shawo kan wannan gazawar ta hanyar haɓaka mai canza tasiri a cikin kayan PVC yayin ƙirar su da gyare-gyaren su.
Ya kamata a nuna masu gyara tasiri mai kyau ta hanyar kyawawan kaddarorin:
(1) A in mun gwada da low vitrification zazzabi Tg;
(2) Daidaitawar tasirin tasiri da kanta tare da resin PVC;
(3) Dangantakar ma'amala na masu gyara tasiri tare da PVC;
(4) Babu wani sakamako mara kyau a bayyane akan kaddarorin da aka bayyana da kuma kayan aikin jiki da na inji na PVC;
(5) Kyakkyawan juriya na yanayi kuma ya mutu dukiya mai kumburi.
Abubuwan gyare-gyare na yau da kullum don PVC mai wuya ya ƙunshi chlorinated polyethylene (CPE), acrylate (ACR), ethylene-vinyl acetate copolymer (EVA), methyl methacrylate-butadiene-styrene ternary graft copolymer (MBS) da acrylonitrile-butadiene-styrene (BSApoly copoly). ).Daga cikin su, chlorinated polyethylene tasiri modifier an yi amfani da ko'ina a kasar Sin kuma acrylate kuma ana ƙara samun karbuwa saboda kyawawan kaddarorinsa.Ya zama babban damuwa yadda za a inganta juriya na tasiri da kuma sauƙaƙe extrusion na filastik.
Tasirinmu ACR samfurin ADX-600 na iya maye gurbin CPE da MBS.Yana iya inganta haɓakar ruwa da nakasar zafi na PVC narke kuma don haka sauƙaƙe filastik PVC.Samfuran da aka samu suna nuna ƙarfin tasiri mai ƙarfi da kyakkyawan juriya na yanayi, kwanciyar hankali da kayan sarrafawa tare da santsi, kyakkyawa da haske sosai.Bayan haka, mun yi nazarin ACR, CPE da MBS a cikin waɗannan abubuwan.
I. Tsarin Ƙarfafawa ta Masu Gyaran Tasirin PVC
Chlorinated polyethylene (CPE) yana aiki azaman ƙwayoyin linzamin kwamfuta waɗanda aka tarwatsa cikin matrix PVC a cikin hanyar hanyar sadarwa.Ka'idar juriya ta tasiri ita ce samar da hanyar sadarwa na roba a cikin kayan matrix na PVC don tsayayya da tasirin waje.Irin wannan hanyar sadarwa tana da saurin lalacewa a ƙarƙashin ƙarfi.Wannan zai haifar da zamewar juzu'i na gauraya a kusurwar 30 ° zuwa 45 ° daga jagorancin juzu'i, don haka samar da bandeji mai ƙarfi, ɗaukar adadin kuzari mai yawa, da haɓaka ƙarfin tsarin gauraya.Canje-canje a cikin yawan damuwa na abu a ƙarƙashin ƙarfin waje ana nunawa a cikin adadi masu zuwa.
ACR da MBS suna cikin wani nau'i na "core-shell" mai canza tasirin tasirin copolymer.Jigon sa yana aiki azaman ƙaramar elastomer mai haɗin giciye, wanda ke taka muhimmiyar rawa wajen haɓaka ƙarfin ƙarfi da juriya.Harsashin sa yana aiki azaman babban polymer-kwalli tare da zafin jiki mafi girma, wanda ke taka muhimmiyar rawa wajen kare tushen roba da haɓaka daidaituwa tare da PVC.Irin wannan nau'in gyare-gyare yana da sauƙi a rabu kuma ana iya tarwatsa shi daidai a cikin matrix PVC don samar da tsarin "tsibirin teku".Lokacin da kayan ke ƙarƙashin tasiri na waje, ƙwayoyin roba tare da ƙananan ƙwayoyin cuta suna da wuyar lalacewa.A lokaci guda, de-bonding da rami suna samuwa kamar yadda kayan ke motsa su ta hanyar lalatawar PVC tare da babban modulus.Idan waɗannan ramukan sun kasance kusa da isa, matrix Layer tsakanin barbashi na roba zai iya haifar da haɓaka ƙarfin kayan.Ana nuna ka'idar da ke da tasiri a cikin hoton da ke ƙasa.
CPE, ACR da MBS suna nuna hankali daban-daban ga ƙarfin injina saboda nau'ikan ƙarfin ƙarfin su.A lokacin sarrafawa, ana rarraba sassan ACR da MBS a cikin matrix na PVC ta hanyar aikin shearing, samar da tsarin "tsibirin teku" kuma don haka inganta ƙarfin kayan.Ko da ƙarfin sarrafawa ya ƙara ƙaruwa, wannan tsarin ba zai yuwu ba cikin sauƙi.Za a iya cika mafi kyawun sakamako mai ƙarfi kamar yadda CPE modifier da PVC aka haɗa su cikin tsarin hanyar sadarwa wanda ke rufe sassan PVC na farko.Duk da haka, wannan tsarin cibiyar sadarwa na iya zama cikin sauƙi a cikin matsala saboda canje-canje a cikin ƙarfin sarrafawa.Saboda haka, yana da kula da ƙarfin sarrafawa kuma yana amfani da kunkuntar kewayon sarrafawa.
II.Kwatanta Dabbobi Daban-daban tsakanin ADX-600 Impact ACR da Daban-daban Tasirin Tasirin PVC
1. Tsarin Gwajin Kayan Tusa
| Suna | Organo-tin zafi stabilizer (HTM2010) | Calcium stearate | Titanium dioxide | PE-6A | 312 | Calcium carbonate | PVC-1000 |
| Sashi/g | 2.0 | 0.7 | 4.0 | 0.6 | 0.2 | 5.0 | 100.0 |
2. Tasirin dukiya
| Abubuwa | Samfurin sunaye | Matsayin gwaji | Raka'a | Ƙarin adadin (phr) | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | ||||
| Tasiri daga katako mai kyan gani | ADX-600 | Saukewa: ASTMD256 | KJ/m2 | 5.44 | 6.30 | 7.78 | 8.72 | 9.92 | 12.02 |
| ACR daga kasashen waje | KJ/m2 | 4.62 | 5.01 | 7.68 | 8.51 | 9.63 | 11.85 | ||
| 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 | ||
| Tasiri daga katako mai kyan gani mara kyau | ADX-600 | J/m | 57.03 | 63.87 | 72.79 | 88.23 | 100.09 | 121.32 | |
| ACR daga kasashen waje | J/m | 46.31 | 50.65 | 72.55 | 85.87 | 97.92 | 119.25 | ||
| 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. Kaddarorin miƙewa / lanƙwasawa (Dukkan ƙarin adadin shine 6phr)
| Abubuwa | Matsayin gwaji | Raka'a | Alamar fasaha (ADX-600) | Alamomin fasaha (ACR daga ƙasashen waje) | Alamomin fasaha (MBS) | Alamomin fasaha (CPE) |
| Ƙwaƙwalwar ƙwanƙwasa | Saukewa: ASTM D638 | MPa | 2546.38 | 2565.35 | 2500.31 | 2687.21 |
| Yawan Ƙarƙashin Ƙarfafawa | Saukewa: ASTM D638 | % | 28.38 | 27.98 | 26.84 | 17.69 |
| Ƙarfin ƙarfi | Saukewa: ASTM D638 | MPa | 43.83 | 43.62 | 40.89 | 49.89 |
| Lankwasawa modules | Saukewa: ASTM D790 | MPa | 2561.11 | 2509.30 | 2528.69 | 2678.29 |
| Karfin lankwasawa | Saukewa: ASTM D790 | MPa | 67.39 | 65.03 | 66.20 | 69.27 |
Bincike: Dangane da bayanan da ke sama akan kayan aikin injiniya:
① Karkashin allurai iri ɗaya, aikin ADX-600 na samfuranmu ya fi na MBS da samfuran ACR daga ƙasashen waje.Samfurin mu na iya maye gurbin su a daidai adadin.
② A ƙarƙashin allurai iri ɗaya, aikin ADX-600 na samfuran mu ya fi na CPE yawa.Dangane da gwaje-gwaje masu yawa, an tabbatar da cewa 3 allurai na ADX-600 da 3 allurai na CPE na iya maye gurbin amfani da 9 allurai na CPE.Ana nuna takamaiman kaddarorin inji kamar haka.
| Abubuwa | Matsayin gwaji | Raka'a | Alamar fasaha (ADX-600/3phr+CPE/3phr) | Alamomin fasaha (CPE/9phr) |
| Tasiri daga katako mai kyan gani | Saukewa: ASTM D256 | KJ/m2 | 9.92 | 9.86 |
| Tasiri daga katako mai kyan gani mara kyau | Saukewa: ASTM D256 | J/m | 97.32 | 96.98 |
| Ƙwaƙwalwar ƙwanƙwasa | Saukewa: ASTM D638 | MPa | 2250.96 | 2230.14 |
| Yawan Ƙarƙashin Ƙarfafawa | Saukewa: ASTM D638 | % | 101.25 | 100.24 |
| Ƙarfin ƙarfi | Saukewa: ASTM D638 | MPa | 34.87 | 34.25 |
| Lankwasawa modules | Saukewa: ASTM D790 | MPa | 2203.54 | 2200.01 |
| Karfin lankwasawa | Saukewa: ASTM D790 | MPa | 60.96 | 60.05 |
4.Processing Ayyuka
Hoton da ke ƙasa yana nuna lanƙwan rheological.Layin jan: ADX-600/3phr+CPE/3phr;blue layi: CPE/9phr
Ma'aunin ma'auni na biyun ainihin iri ɗaya ne, kuma plastification na kayan da ADX-600/3PHr +CPE/3PHR ya gyaru ya ɗan yi hankali amma yana cikin iko bisa ga adadi.Saboda haka, dangane da aiki, 3 allurai na ADX-600 da 3 allurai na CPE na iya maye gurbin amfani da 9 allurai na CPE.
III.Ƙarshe
Ta hanyar kwatanta tsakanin tasirin ADX-600 ACR da CPE da MBS a cikin kayan aikin injiniya da halayen sarrafawa, an ƙaddamar da ƙarshen ƙarshe akan nazarin haƙiƙa cewa 3 allurai na ADX-600 da 3 allurai na CPE na iya maye gurbin amfani da 9 allurai. CPE.Tasirin ADX-600 ACR yana nuna ingantaccen aiki mai mahimmanci, wanda samfuran samfuran da ke haifar da su suna nuna kyakkyawan aiki da ingantaccen aiki mai tsada.
Tasirin ADC-600 ACR nasa ne na acrylate copolymer tare da tsarin tushen-harsashi.ACR yana nuna mafi kyawun juriya yanayi, kwanciyar hankali zafi da ƙimar ƙimar aiki fiye da MBS saboda tsohon bai ƙunshi haɗin gwiwa biyu ba.Bugu da kari, ACR kuma nuna abũbuwan amfãni daga m aiki kewayon, azumi extrusion gudun, sauki iko, da dai sauransu An yafi shafi cikin wuya da kuma Semi-wuya PVC kayayyakin, musamman ga sinadaran gini kayan da waje kayayyakin, kamar profiles, bututu. bututu kayan aiki, allon, kumfa kayan, da dai sauransu Yana hidima a matsayin irin tasiri modifier tare da babban sashi a halin yanzu da kuma babbar tasowa m a nan gaba.
Lokacin aikawa: Juni-20-2022