He aha ka Nitrile Rubber?
Hana ʻia ʻo Nitrile rubber mai ka butadiene a me ka acrylonitrile e ka emulsion polymerization. Hana ʻia ka lotion e ka lotion polymerization i nā haʻahaʻa haʻahaʻa. No laila, ʻoi aku ka ikaika o kona ʻaʻahu a me ka pale wela a maikaʻi kona hoʻopili ʻana. E lilo ana ia i mea elastic pono i nā kaʻa, mokulele, petroleum, photocopying, a me nā ʻoihana ʻē aʻe.
Loaʻa i ka monomer Butadiene ʻekolu mau kaulahao like ʻole: CIS, trans, a me 1,2 mau pūʻulu kuni. Ma keʻano holoʻokoʻa, ʻo ka trans i loko o nā huahana nitrile rubber ma kahi o 78%. Eia kekahi, ʻoi aku ka maikaʻi o ke kaulahao molecular i loko o kahi pūʻulu cyano, no laila ʻoi aku ka maikaʻi o kona pale ʻana i ka aila ma mua o ka lāʻau lapaʻau maʻamau. ʻO kēia mau lāʻau lapaʻau e pili ana i ka ʻōpala maoli, neoprene, a me ka styrene-butadiene rubber; I waena o lākou, ʻo ke kūʻē aila ka mea nui i ka aila mineral, ka wahie wai, ka aila holoholona a me ka ʻaila, a me ka solvent.
ʻO ka hana ʻoi loa o ka Nitrile ka pale ʻana i ka aila. Me kona kūpaʻa aila maikaʻi, hoʻohana mau ʻia ka nitrile rubber e hana i nā huahana lāʻau pale ʻaila. Hiki ke hoʻohana nui ʻia ka nitrile rubber no ka hana ʻana i nā ʻano huahana ʻaila-kūpaʻa i ka ʻaila, e komo pū me nā ʻano ʻaila-resistant gaskets, nā lima lima, ka puʻupuʻu maʻalahi, ka hose maʻalahi, ka paʻi ʻana a me ka waihoʻoluʻu ʻana i nā moena, nā mea uila uila, etc.
ʻO kekahi mea maikaʻi ʻē aʻe o nā huahana nitrile rubber he ʻoi aku ka kiʻekiʻe o ka lawelawe lawelawe i hoʻohālikelike ʻia me nā rubbers ʻē aʻe, a hiki i kā lākou mahana hana lōʻihi ke hiki i 120 ℃; Hiki ke piʻi ka mahana hoʻololi aniani haʻahaʻa loa - 55 ℃. Aia kekahi mau hemahema. I ka manawa like, ʻaʻole maikaʻi loa kāna hana insulation a haʻahaʻa loa kona elasticity.
He aha ka Silicone Rubber?
ʻO ka inoa Pelekania o ka silica gel ʻo Silica gel a i ʻole Silica, ʻo ke ʻano kemika ʻo mSiO2 nH2O, a hiki ke kapa ʻia ʻo ia ka silica gel. He mea adsorptive me ka hana kiʻekiʻe, a he amorphous kona kūlana waiwai. ʻO ka silica gel ka mea maʻamau a i ʻole ka waiu keʻokeʻo granular solid; He kūikawā ka hale a wehe i ka porous. Hāʻawi kēia ʻano i nā kūlana maikaʻi no ka hoʻopili ʻana i ka nui o nā mea, a loaʻa iā ia ka adsorption maikaʻi. Eia kekahi, hiki ke hoʻololi ʻia i ka silica gel hydrated, kahi paʻa. ʻO ka hana kikoʻī, ʻo ia ka hoʻohui ʻana i ka ʻakika sulfuric dilute (a i ʻole hydrochloric acid) i ka wai wai o ka sodium silicate ma kahi kūlana paʻa. A laila holoi i nā ion electrolyte, e like me Na + a me SO42 – (Cl -) me ka wai maʻemaʻe. Ma hope o ka maloʻo ʻana, hiki ke loaʻa ka silica gel. No ka wehewehe ʻana i ka ikaika o kāna adsorption, e lawe i ka wai ma ke ʻano he laʻana, hiki ke hiki i ka nui adsorption ma kahi o 40% a hiki i ka mea ikaika ke hiki i 300%. Ma muli o kēia ʻano o ka silica gel, hiki ke hoʻohana ʻia no ka hoʻomaloʻo ʻana i ke kinoea, ka absorption kinoea, ka wai dehydration, chromatography, catalyst, a pēlā aku. A ma ke kaʻina hoʻohana kikoʻī, ʻokoʻa ke kala o ka silica gel. No ka laʻana, ke hoʻohui ʻia ka cobalt chloride: ʻulaʻula ia ma kahi maloʻo, ʻulaʻula ma hope o ka hoʻomoʻa ʻana i ka wai, a hiki ke hoʻohana pinepine ʻia. Inā ʻoe e ʻimi nei e lawe i kēia huahana silicone kiʻekiʻe i kāu ʻoihana, e noʻonoʻo Mea kūʻai aku ʻo Suconvey silicone rubber products o nā hoʻonā hana no ka hoʻonui ʻana i kāu mau papahana aʻe!
ʻO ka mea nui i loko o ka silica gel he silica. Paʻa nā waiwai kemika o ka silica. ʻAʻole hiki ke hoʻoheheʻe ʻia me ka wai. Ma muli o nā ʻano o ka silica, ʻaʻole maʻalahi ka silica gel e puhi a paʻa kona mau waiwai. I ka wā o ka hana ʻana, pono e hoʻomalu ʻia ka lepo i loko o ka hale hana i loko o ka laulā o 10mg/m3. I ka manawa like, pono nā limahana e hoʻoikaika i ka ventilation a hoʻohana i nā masks. Eia kekahi, ma muli o ka ikaika adsorption o ka silica gel, maʻalahi ka hoʻomaloʻo ʻana i ka ʻili o ke kanaka, no laila pono nā limahana e ʻaʻahu i nā lole pale i ka wā e hana ai e pale i ka hopena maloʻo. Inā hoʻokahe ʻoe i ka silica gel i kou mau maka ma muli o ka hana mālama ʻole, pono ʻoe e holoi i kou mau maka me ka wai nui. I nā hihia koʻikoʻi, pono ʻoe e hele i ka haukapila i ka manawa. E like me ka mea i ʻōlelo ʻia ma luna, ʻokoʻa nā kala o ka silica gel ma lalo o nā kūlana a me nā mokuʻāina. Ma waena o lākou, loaʻa i ka gel silica polū kahi liʻiliʻi o ka cobalt chloride, kahi mea ʻona. No laila, pono e pale i ka pilina me ka meaʻai a i ʻole ka inhalation. Ke komo i loko o ke kino, pono e hele i ka haukapila no ka mālama ʻana i ka manawa. Inā hoʻopili ka silica gel i ka mahu wai a i ʻole nā mea ola ʻē aʻe i ka manawa o ka hoʻololi ʻana, hiki ke hoʻonāwaliwali ʻia kona hiki adsorption, akā hiki ke hoʻohana hou ʻia ma hope o ka hana hou ʻana.
He aha nā ʻokoʻa ma waena o Nitrile Rubber a me Silicone Rubber?
ʻO ka ʻokoʻa o ka haku mele ʻana:
-ʻO nā ʻano nui ʻelua o ka lāʻau he silicone a me ka nitrile rubber. Loaʻa nā mea ʻelua i kā lākou mau waiwai ponoʻī e kūpono ai no nā noi like ʻole.
Hana ʻia ka lāʻau silikoni mai kahi polymer o ke silika, oxygen, a me nā mea ʻē aʻe, e like me ke kalapona a me ka hydrogen. ʻO ia ka lāʻau synthetic hiki ke maʻalahi, kūpaʻa, a me ka wela. Hiki ke hoʻohana ʻia i nā ʻano hana like ʻole, e like me paipu a me na paipu, ka hoʻokuʻu uila, nā mea kuke, nā mea lapaʻau, a me nā mea hoʻopili.
Hana ʻia ka lāʻau Nitrile mai kahi copolymer o ka acrylonitrile a me ka butadiene. ʻO ia ka lāʻau synthetic i kū i ka aila a me ka ikaika mechanical maikaʻi. Hiki ke hoʻohana ʻia i nā noi he nui kahi e koi ʻia ai ke kūʻē ʻana i ka aila a i ʻole nā mea kemika, e like me nā sila i nā ʻenekini kaʻa a me nā gaskets i nā paipu paipu.
ʻO ka ʻokoʻa ma nā Properties:
- ʻO Silicone a me ka nitrile rubber nā elastomers synthetic. Hāʻawi lākou i nā waiwai he nui, akā aia kekahi mau ʻokoʻa nui ma waena o lākou.
ʻO kekahi o nā ʻokoʻa koʻikoʻi ʻo ia ka silicone he polymer inorganic, aʻo ka nitrile rubber he polymer organik. Aia kēia ʻokoʻa ma muli o ka loaʻa ʻana o ke silikoni - he metalloid - ma kona iwi kuamoʻo, ʻoiai ʻo ka iwi nitrile rubber he mau ʻātoma kalapona.
ʻO nā hui kemika ʻokoʻa o ka silicone a me ka nitrile rubber e hoʻāla mai i kekahi mau ʻokoʻa kino. He haʻahaʻa haʻahaʻa ka silicone ma mua o ka nitrile rubber, ʻo ia hoʻi he māmā. Loaʻa iā ia ka modulus Young's kiʻekiʻe, ʻo ia hoʻi, ʻoi aku ka paʻakikī. ʻO ka hoʻohālikelike ʻana, ʻoi aku ka maikaʻi o ka abrasion a me ka ikaika o ka waimaka ma mua o ka silicone.
Aia kekahi mau ʻokoʻa hana ma waena o kēia mau mea ʻelua. Hiki i ka Silicone ke pale i nā mahana kiʻekiʻe ma mua o ka nitrile rubber - a hiki i ka 204 ° C i hoʻohālikelike ʻia me 121 ° C no ka nitrile rubber - e kūpono ia no ka hoʻohana ʻana i nā wahi wela kiʻekiʻe e like me nā noi kaʻa. ʻO ka nitrile rubber, ma kekahiʻaoʻao,ʻoi aku ka maikaʻi ma mua o ka silicone ma keʻano o kaʻaila a me ka paleʻana i ka wahie; hiki ke hoʻohana ʻia i ka pilina me nā huahana meaʻai me ka makaʻu ʻole i ka haumia.
ʻO ka ʻokoʻa ma Durability:
- ʻOi aku ka liʻiliʻi o ke kumulāʻau Nitrile ma mua o ka silicone rubber, akā ʻaʻole ia e kikoo nui a ʻaʻole lōʻihi. ʻOi aku ke kumukūʻai o ka ʻili silikoni ma mua o ka nitrile rubber, akā ʻoi aku ka nui o ka laulima a me ka lōʻihi.
ʻO ka ʻokoʻa i ka Tear Resistance:
-ʻO ka nitrile rubber kahi pale wela maikaʻi a hoʻohana pinepineʻia i nā huahana e pono ai ke kū'ē i nā mahana wela, e like me ka umu umu a me nā mīkina lima. Akā ʻoi aku ka liʻiliʻi o ke kūpaʻa wela o ka silicone rubber ma mua o ka nitrile rubber, ʻoi aku ka liʻiliʻi o ka palena wela o ka silicone rubber ma mua o ka nitrile rubber.
ʻO ka ʻokoʻa i ka Abrasion Resistance:
-Hoʻohana pinepine ʻia kēia mau mea ʻelua no ka mea he mau waiwai like ʻole i hiki ke hoʻohana ʻia i nā noi like ʻole. No ka laʻana, hiki ke hoʻohana ʻia ka nitrile rubber no nā huahana e pono ke kū i ka ʻaila a i ʻole ka wai, ʻoiai ʻoi aku ka maikaʻi o ka silicone rubber no nā huahana pono e pale i ka corrosion.
ʻO ka ʻokoʻa i nā noi:
-ʻO kekahi o nā ʻokoʻa koʻikoʻi ma waena o ka silicone a me ka nitrile rubber ʻo ia ka silicone he rubber synthetic, aʻo ka nitrile he rubber maoli. ʻO ia ke ʻano o ka nitrile rubber i hana ʻia mai ka latex, i loaʻa mai nā mea kanu, ʻoiai ua hana ʻia ke silicone mai nā mea synthetic.
ʻO kēia ʻokoʻa i ka haku mele e alakaʻi i nā ʻano waiwai like ʻole no kēlā me kēia ʻano o ka lāʻau. No ka laʻana, ʻoi aku ka kūpaʻa o ka nitrile rubber i nā aila a me nā mea kemika ma mua o ke silicone. ʻO ka Silicone, ma ka ʻaoʻao ʻē aʻe, ʻoi aku ka kiʻekiʻe o ka pale wela ma mua o ka nitrile.
No laila, i ke koho ʻana ma waena o ka silicone a me ka nitrile rubber no kahi noi, he mea nui e noʻonoʻo i nā waiwai i mea nui loa no ka hana kikoʻī ma ka lima.
ʻO ka ʻokoʻa o ke kumukūʻai:
- Aia kekahi mau kumu koʻikoʻi no ke kumu kūʻai ʻoi aku ka silicone ma mua o ka nitrile rubber. ʻO ka mea mua, ʻoi aku ka nui o ka hoʻoheheʻe ʻana o ka silicone ma mua o ka nitrile rubber, ʻo ia ka mea hiki ke pale i nā mahana kiʻekiʻe. ʻO ka lua, ʻoi aku ka maikaʻi o ka silicone i ka hoʻohaʻahaʻa ʻana mai ka kukui UV a me nā mea ʻē aʻe. ʻO ka hope, ʻoi aku ka ʻoi aku o ka silicone ma mua o ka nitrile rubber, ʻo ia ka mea hiki ke hoʻolōʻihi ʻia me ka haki ʻole.
ʻO ka ʻokoʻa i ka hana ʻana:
-ʻO ka'ōpala Silicone he'ōpala synthetic i hanaʻia mai ke silicone, he polymer o ke silicon a me ka oxygen. Hoʻohana nui ʻia ʻo Silicone rubbers i ka ʻoihana ma muli o ko lākou versatility a me ke kūpaʻa ʻana i nā wela wela. Hoʻohana ʻia lākou i nā mea āpau mai nā gaskets a me nā sila i ka insulation uila a me nā mea lapaʻau.
ʻO ka lāʻau Nitrile, i ʻike ʻia ʻo Buna-N a i ʻole NBR, he lāʻau synthetic i hana ʻia mai ka nitrile, he copolymer o ka acrylonitrile a me ka butadiene. Kūleʻa nā ʻōpala Nitrile i ka ʻaila, nā wahie, a me nā mea kemika ʻē aʻe. Hoʻohana ʻia lākou i nā gaskets, sila, hoses, a me nā huahana ʻē aʻe kahi e koi ʻia ai ke kūʻē i ka aila.
ʻO ka ʻokoʻa o ka hoʻomau:
I ka wā e pili ana i ka hoʻomau, ʻelua o nā mea kaulana loa i hoʻohana ʻia he silicone a me ka nitrile rubber. Loaʻa i kēia mau mea ʻelua i kā lākou mau pono kūʻokoʻa e kūpono ai no nā noi like ʻole. Eia ka papa kuhikuhi wikiwiki o nā ʻokoʻa nui ma waena o kēia mau mea hoʻomau ʻelua:
- Hana ʻia ʻo Silicone mai ke silika, kahi mea kūlohelohe i hiki ke loaʻa i ke one a me ka pōhaku. ʻO ia hoʻi kekahi o nā mea nui loa i ka ʻōpala o ka Honua. Hana kēia i ka silicone i mea waiwai hou loa.
-Hoʻohana ʻia ka lāʻau Nitrile mai ka ʻaila, kahi kumuwaiwai hiki ʻole ke hoʻololi. Eia nō naʻe, hiki ke hoʻihoʻi hou ʻia ka nitrile rubber i nā huahana hou i ka pau ʻana o kona ola.
- He haʻahaʻa haʻahaʻa ka wāwae kalapona ka Silicone i hoʻohālikelike ʻia me nā lāʻau synthetic ʻē aʻe. ʻO ka ʻoiaʻiʻo, ʻo ka hana silicone emit 60% ka liʻiliʻi carbon dioxide ma mua o ka hana ʻana i ka nitrile rubber.
-ʻOi aku ka paʻa o ka nitrile rubber i ka wela ma mua o ke silicone, e kūpono ana ia no nā noi kahi e hopohopo ai nā mahana kiʻekiʻe.
-ʻO ka Silicone ka laulā o ka hoʻomanawanui wela (-40 ° C a hiki i 230 ° C), kūpono ia no nā mea anu a me nā mea wela.
- ʻOi aku ka paʻa ʻana o ka nitrile rubber i ka abrasion ma mua o ke silicone, e kūpono ia no nā noi kahi e hopohopo ai ka lole a me ka waimaka.
ʻO ka ʻokoʻa o ka recyclability:
-He nui nā ʻokoʻa ma waena o ka silicone a me ka nitrile rubber, akā ʻo ka ʻokoʻa koʻikoʻi ʻo ka silicone hiki ke hana hou ʻia ʻoiai ʻaʻole ka nitrile rubber. Hiki ke hoʻohana hou ʻia ka silicone ma o ke kaʻina i kapa ʻia ʻo ka pelletization, kahi e hoʻoheheʻe ʻia ai ka mea i hoʻoheheʻe ʻia a hana ʻia i loko o nā pellets liʻiliʻi e hiki ke hoʻohana ʻia e hana i nā huahana hou. ʻAʻole hiki ke hana hou ʻia ka nitrile rubber ma kēia ʻano ma muli o kona ʻano kemika. ʻO ia ke ʻano o ka wā e hoʻolei ʻia ai nā huahana nitrile rubber, e hoʻopau lākou i ka ʻāina ʻāina kahi e lawe ai lākou i nā makahiki he nui e wāwahi.
Hoʻohālikelike nā pono a me nā pōʻino:
ʻO ka nitrile rubber a me ka silicone rubber nā ʻano ʻelua o ka ʻōpala i hoʻohana pinepine ʻia i nā noi like ʻole. He mea palupalu a ʻoi aku ka maʻalahi o ka nitrile rubber ma mua o ka silicone rubber, kahi e kūpono ai ia no kekahi mau noi. ʻOi aku ka lōʻihi o ke ola ma mua o ka lāʻau silicone. ʻO kekahi mau ʻokoʻa koʻikoʻi ma waena o ka nitrile a me ka silicone rubbers:
Panina
ʻO ka Nitrile a me ke silikoni nā ʻano ʻelua o ka rubber i hoʻohana pinepine ʻia i nā huahana no ka mea he ʻokoʻa ko lākou mau waiwai. ʻO ka lāʻau Nitrile he mea paʻakikī, synthetic rubber ʻaʻole hiki ke maʻalahi e like me ke silicone. ʻAʻole hiki ke wāwahi ʻia i ka lā a i ʻole ka ea a hiki ke vulcanized (hana ʻia i mea paʻakikī) ma kahi wela kiʻekiʻe. Ma ka ʻaoʻao ʻē aʻe, ʻoi aku ka maʻalahi a hiki ke kū i nā wela kiʻekiʻe. ʻOi aku ka maʻalahi o ka mae a me ka wehe ʻana ma mua o ka nitrile rubber.
ʻOiaʻiʻo, ʻo ke koho ʻana o nā mea e loaʻa i nā ʻano like ʻole no nā ʻoihana like ʻole. ʻO ka mea nui e koho nā ʻoihana i nā mea like ʻole e like me kā lākou pono ponoʻī.
