Sabbin addittu don karin kayan roba

YM mai gyara mai sarrafa PVC - samfuran jerin sune kamfanin zai inganta fasahar hada polymer da sashen tsinghua na jami'ar bai cheng dakin binciken injiniya na fasahar nano, hadewar bincike da ci gaban sabon nau'in gyarar cutar kanjamau da ake sarrafa PVC, ana amfani dashi sosai. na kayan aikin nanometer ya fi girman wuri, halaye na samar da makamashi mai faɗi babba ne, don shawo kan gargaɗin sarrafa kayan gargajiyar PVC na gargajiya a cikin nakasar aikin filastik a ƙananan canjin yanayi. A cikin aikin sarrafawa, tashin hankali na farfajiyar nanomaterials yana canzawa zuwa gogayyar ciki tare da kwayoyin PVC, saboda wannan ƙararrakin cikin yana ƙaruwa tare da raguwar yanayin zafin jiki, wanda ke inganta matsalar da kasancewar filastik na ACR na gargajiya yana raguwa sosai tare da rage yawan zafin jiki.
Idan aka kwatanta da ACR na gargajiya, HLN - samfuran jerin suna da halaye masu zuwa:
1) Daidaitaccen kwanciyar hankali ya fi mataimakan sarrafa gargajiya.
2) Lokacin da yawan zafin jiki ya canza, karfin karfi yana canzawa dai-dai, wanda zai iya sanya matakin yin filastik na PVC ba canzawa.
3) na iya inganta ingantaccen aikin PVC, inganta ƙarancin samfuran samfuran. ⒉1 Hanyar gwaji
1) Duba gani na bayyanar
2) An auna mai canzawa bisa ga GB / T2914
3) An auna girman barbashi gwargwadon GB / 2916
4) Ana iya auna karfin ta RM-200 karfin juyi rheometer, saurin shine 35rpm, zafin jiki 165oC ne, kuma adadin ciyarwar yakai 61g;
Tsarin kimantawa na aiki: PVC, 100g; CaCO3, 5 g; TiO2, 4 g; PE, 0.15 g; Stearic acid, 0.2g; Gishiri, 2.5g; Gubar mai ƙarfi, 1.5g; Hard calcium, 0.7g; CPE, 9 g; Gudanar da agaji, 2g.
2 Kayan sarrafawa na sarrafa kanjamau
Aikin sarrafa wakili na PVC shine kara kwayoyin kwayoyi na cakuda da gogayya tsakanin cakuda da dunƙule, silinda saman, don inganta halin yanzu da karfin juzu'in kayan aikin sarrafa PVC, PVC a cikin mafi ƙasƙanci mai saurin aiki zafin jiki gabaɗaya cikin roba, a don samun mafi ƙarancin digiri na lalacewa, bayyanar da kayan aikin inji na samfuran PVC mai wuya. Idan zafin aikin sarrafa PVC ya ragu, mafi girman ragowar kayan adanawa a cikin kayayyakin PVC, kasan adadin daidaiton HCI, kuma mafi ingancin kwanciyar hankali ko juriya yanayin samfuran! Kuma yanayin yanayin ƙarancin aiki na zafin jiki shine tabbatar da babbar shear, ma'ana, dole ne ya tabbatar da ƙarancin yanayi da karfin wuta. Sabili da haka, aikin sarrafa cutar kanjamau na PVC dole ne a kimanta shi ta hanyar karfin juzu'i da na yanzu, kuma kayan gwajin da zasu iya yin amfani da karfin juzu'in sune karfin magana, don haka kamfanin a cikin ma'aunin ingancin HLN - jerin samfuran, ba tare da danko ba amma tare da rheometer don bayyana yanayin aikin sarrafa kanjamau. Ana gwada duk samfuran tare da rheometer kafin barin masana'anta. Idan ƙirar rheometer tayi daidai, aikin sarrafawa na rukuni biyu na samfuran iri ɗaya ne, don tabbatar da kwanciyar hankalin kwastomomi yayin aiwatarwa da amfani.


Post lokaci: Jan-13-2021