Takaitawa:Mai gyara na PVC tare da ainihin-harsashi tsarin--ACR, wannan gyare-gyare yana da tasiri mai kyau akan inganta filastik da ƙarfin tasiri na PVC.
Mahimman kalmomi:Filastik, ƙarfin tasiri, gyaran PVC
By:Wei Xiaodong, Shandong Jinchangshu New Material Technology Co., Ltd., Weifang, Shandong
1 Gabatarwa
Kayayyakin gine-ginen sinadarai sune sabon nau'in kayan gini na zamani na hudu bayan karfe, itace da siminti, musamman wadanda suka hada da bututun filastik, kofofin filastik da tagogi, kayan gini mai hana ruwa ruwa, kayan ado, da sauransu. Babban albarkatun kasa shine polyvinyl chloride (PVC).
PVC ne yafi amfani da kayan gini da kuma bayanan martaba na filastik ana amfani dashi sosai a cikin gida da waje kofofin da windows na gine-gine da masana'antar kayan ado, tare da kyawawan halaye irin su adana zafi, rufewa, ceton makamashi, rufin sauti da matsakaicin farashi, da dai sauransu Tun da yake. gabatarwa, samfurin ya ɓullo da sauri.
Koyaya, bayanan martaba na PVC kuma suna da wasu rashin amfani, kamar ƙarancin zafin jiki, ƙarancin ƙarfi, da wahalar sarrafawa.Sabili da haka, dole ne a inganta abubuwan tasiri da kaddarorin filastik na PVC.Ƙara masu gyara zuwa PVC na iya inganta ƙarfinsa yadda ya kamata, amma masu gyara ya kamata su sami kaddarorin masu zuwa: Ƙananan zafin canjin gilashi;wani sashi mai jituwa tare da resin PVC;ya dace da danko na PVC;babu wani tasiri mai mahimmanci akan bayyane da kayan aikin injiniya na PVC;kyau weathering Properties da kyau m m fadada fadada.
Abubuwan gyare-gyaren tasiri na PVC da aka saba amfani da su sune chlorinated polyethylene (CPE), polyacrylates (ACR), methyl methacrylate-butadiene-styrene terpolymer (MBS), acrylonitrile-butadiene-styrene copolymer (ABS), ethylene da vinyl acetate copolymer (Evalene rubberthylene) (EPR) da sauransu.
Kamfaninmu ya haɓaka kuma ya samar da ainihin-harsashi tsarin PVC mai gyara JCS-817.Wannan gyare-gyare yana da tasiri mai kyau akan inganta filastik da ƙarfin tasiri na PVC.
2 Shawarwari sashi
Adadin gyare-gyare JCS-817 shine 6% a cikin nauyin nauyin 100 na guduro PVC.
3 Kwatancen gwajin aiki tsakanin masu gyara daban-daban da wannan mai gyara JCS-817
1. Shirya kayan gwaji na PVC bisa ga dabara a cikin Tebur 1
Tebur 1
Suna | Sassan da nauyi |
4201 | 7 |
660 | 2 |
Farashin PV218 | 3 |
AC-6A | 3 |
Titanium Dioxide | 40 |
PVC (S-1000) | 1000 |
Organic Tin Stabilizer | 20 |
Calcium Carbonate | 50 |
2. Gwajin gwada ƙarfin tasiri: Haɗa abubuwan da ke sama kuma ku haɗa mahaɗin tare da 6% na nauyin PVC tare da masu gyara PVC daban-daban.
An auna kaddarorin inji ta injin buɗaɗɗen abin nadi biyu, lebur vulcanizer, ƙirar samfuri, da injin gwaji na duniya da mai sauƙin tasirin katako kamar yadda aka nuna a cikin Tebur 2.
Table 2
Abu | Hanyar gwaji | Yanayin gwaji | Naúrar | Fihirisar fasaha (JCS-817 6phr) | Fihirisar fasaha (CPE 6phr) | Fihirisar fasaha (Kwanta samfurin ACR 6phr) |
Tasiri (23 ℃) | GB/T 1043 | 1A | KJ/mm2 | 9.6 | 8.4 | 9.0 |
Tasiri (-20℃) | GB/T 1043 | 1A | KJ/mm2 | 3.4 | 3.0 | Babu |
Daga bayanan da ke cikin Table 2, ana iya ƙaddamar da cewa tasirin tasirin JCS-817 a cikin PVC ya fi na CPE da ACR.
3. Gwaji kwatanta abubuwan rheological: Haɗa abubuwan da ke sama kuma ƙara 3% na nauyin PVC zuwa fili tare da masu gyara PVC daban-daban sannan ku haɗu.
Ana nuna kaddarorin filastik da aka auna ta Harper rheometer a cikin Tebu 3.
Table 3
A'a. | Lokacin yin filastik (S) | karfin juyi (M[Nm]) | Gudun juyi (rpm) | Gwajin zafin jiki (℃) |
Saukewa: JCS-817 | 55 | 15.2 | 40 | 185 |
CPE | 70 | 10.3 | 40 | 185 |
ACR | 80 | 19.5 | 40 | 185 |
Daga Table 2, lokacin plasticization na JCS-817 a cikin PVC ya kasance ƙasa da na CPE da ACR, watau JCS-817 zai haifar da ƙananan yanayin aiki don PVC.
4 Kammalawa
Ƙarfin tasiri da kayan filastik na wannan samfurin JCS-817 a cikin PVC ya fi CPE da ACR bayan tabbacin gwaji.
Lokacin aikawa: Juni-15-2022