1, Nitrile roba
Ana yin bawuloli na solenoid daga emulsion polymerization na butadiene da acrylonitrile, galibi sun ƙunshi polymerization ƙarancin zafin jiki. Yana da kyakkyawan juriya na mai, juriya mai girma, juriya mai kyau da ƙarfi da mannewa mai ƙarfi. Lalacewarsa shine rashin juriya mara ƙarancin zafin jiki, ƙarancin juriya na ozone, ƙarancin aikin lantarki, da ɗan ƙaramin ƙarfi.
Bugu da ƙari, yana da kyakkyawan juriya na ruwa, ƙarfin iska da kyakkyawan aiki na mannewa. An yadu amfani a yi na daban-daban mai resistant roba kayayyakin, daban-daban mai resistant gaskets, gaskets, hannayen riga, m marufi, tiyo, bugu da rini gadaje, na USB roba kayan, da dai sauransu, kuma ya zama wani muhimmin roba abu a mota, jirgin sama, man fetur, kwafi, lantarki da sauran masana'antu. Sauran masana'antu.
Rubber Nitrile (NBR) yana da kyakkyawan juriyar mai, na biyu kawai zuwa roba polysulfide da fluororubber, tare da juriya da juriya da iska. Rashin hasara na NBR shine cewa ba shi da juriya ga ozone da aromatic, halogenated hydrocarbon, ketone da ester solvents, don haka bai dace da kayan rufewa ba.
Babban amfani: NBR ana amfani da shi ne don samar da bututu masu jure mai, kaset, diaphragms na roba, manyan buhunan mai da sauran kayayyakin da ke jure mai, irin su O- zobe, hatimin mai, kofi, diaphragm, bawul, bellows, da sauransu. Ana amfani da shi don kera farantin roba da sawa{2}.
2, EPDM roba
EPDM terpolymer ne na ethylene, propylene da diene wanda ba a haɗa shi ba. An sayar da shi a cikin 1963. Duniya tana cinye tan 800000 a shekara. Babban halayen EPDM sune kyakkyawan juriya na iskar shaka, juriya na ozone da juriya na lalata. EPDM na polyolefin ne kuma yana da kyakkyawan aikin vulcanization. Ethylene propylene diene monomer (EPDM) yana da mafi ƙasƙanci rabo a cikin duk roba. Yana iya sha mai yawa filler da mai, kuma yana da ɗan tasiri akan aikin sa. Saboda haka, ana iya samar da mahadi na roba maras tsada.
Tsarin kwayoyin halitta da kaddarorin
Tsarin: ethylene propylene terpolymer shine terpolymer na ethylene, propylene da diene wanda ba a haɗa shi ba. Dienes suna da tsari na musamman. Ɗaya daga cikin shaidu biyu ne kawai za a iya haɗa shi. Unsaturated ninki biyu bond ana amfani da yafi azaman crosslinking wakili. Wani polymer unsaturated ba babban sarkar ba ne, amma sarkar gefe. Babban sarkar EPDM gaba daya ya cika. Wannan kadarorin yana sa EPDM zafi juriya, juriya mai haske, juriya na iskar oxygen, musamman juriyar ozone. Ethylene propylene terpolymer shine asali mara tushe, mai jurewa maganin polar da sinadarai, ƙarancin sha ruwa da kyakkyawan aikin rufi.
Siffofin: 1. kayan lantarki; 2. elasticity; 3. m; 4. ƙananan yawa da babban cika; 5. juriya mai zafi; 6. juriyar tururin ruwa; 7. anti - dukiya; 8. juriya na lalata.
3, Fluororubber (FKM)
Akwai nau'ikan fluorine daban-daban{0}mai ɗauke da robar a cikin ƙwayoyin cuta gwargwadon abun ciki na fluorine daban-daban, wato tsarin monomer. A halin yanzu, fluororubber dauke da tsarin hexafluoride shine karo na farko da aka jera DuPont da sunan "fluororubber". High zafin jiki juriya ne mafi alhẽri daga silicone roba. Yana da juriya mai kyau na sinadarai, juriya ga yawancin mai da sauran abubuwa (sai dai ketones da esters), juriya mai kyau da juriya na ozone, amma rashin juriya na sanyi; ana amfani dashi ko'ina a locomotives, B da sauran samfuran, da kuma hatimi a cikin tsire-tsire masu sinadarai, tare da zafin sabis ɗin daga - 20 digiri zuwa digiri 260. Lokacin da aka sami ƙaramin juriyar zafin jiki, ana iya shafa shi zuwa digiri - 40 amma farashin ba shi da kyau. Mafi girma.
