01 Kūʻē Kūʻē
Loaʻa i ka Nylon kekahi mau waiwai like me ka polyester. ʻO nā ʻokoʻa, ʻoi aku ka maikaʻi o ka pale wela o ka nylon ma mua o ka polyester, ʻoi aku ka liʻiliʻi o ka umekaumaha kikoʻī o ka nylon a me ka hoʻoheheʻe ʻana o ka wai.nilonaʻoi aku ka nui ma mua o ka polyester. He maʻalahi ke kala ʻana i ka nylon. ʻOi aku ka maikaʻi o kona ikaika, abrasive resistance a me ka luhi luhi ma mua o ka polyester. E ʻoi aku ka maʻalahi o ka Nylon, akā he hana hoʻihoʻi maikaʻi a me ka rebound resilience kiʻekiʻe.
ʻO ka elongation kiʻekiʻe o ka nylon he mea maikaʻi ia i ke kū'ē i ka ʻaʻahu hopena. ʻO ke kūpaʻa ʻana o ka nylon ka mea maikaʻi loa ma waena o nā fibers āpau, ʻo ia he 10 mau manawa kiʻekiʻe ma mua o ka pulupulu a he 20 mau manawa kiʻekiʻe ma mua o ka hulu hipa.
02 Kaumaha kiko
Ma waena o nā fiber synthetic nui (polyester, nylon, acrylic fiber a me Vinal), ʻo ka gravity kikoʻī o ka nylon ka mea liʻiliʻi loa, ʻo ia ka 1.14. Ma muli o kona ʻumekaumaha māmā, kūpono ka nylon i nā mea hana ma nā kiʻekiʻe a ma nā mauna kiʻekiʻe. Ma muli o kona ikaika kiʻekiʻe, hiki ke hoʻohana ʻia ka nylon i ka hana ʻana i ke kaula, ka ʻupena hoʻopau, ka wili sisal maikaʻi a me ka "hollow cored fiber".
03 Waiwai Thermal
Ke hana ʻia ka nylon, pono e noʻonoʻo ʻia ka hopena o ka mahana ma ka waiwai fiber. Ke piʻi ka mahana o ka ea wela ma luna o 100 ℃, ʻike ʻia ka nalowale o ka ikaika o ka nylon. ʻO ia no ka mea ma lalo o ka hopena o ka wela, kapulupuluE loaʻa i nā molekala ka hoʻohaʻahaʻa kemika oxidative. ʻO ka maʻamau, i ka haʻahaʻa haʻahaʻa, ʻoi aku ka ikaika o ka nylon. No ka mea, ma ka wela haʻahaʻa, ʻaʻole liʻiliʻi ka neʻe wela o nā molekala a ikaika nā pūʻali intermolecular.
Ma ka lumi wela, hiki i ka ikaika o ka nylon staple fiber ke piʻi i ka 57.33 ~ 66.15cN / tex a me ka ikaika o ka nylon high-tenacity fiber hiki ke piʻi i ka 83.8cN / tex, he 2 ~ 3 manawa ikaika ma mua o ka pulupulu pulupulu. . Eia kekahi, ʻo ka piʻi ʻana o ka mahana e alakaʻi i ka nylon shrink. Ke kokoke i ka helu heheʻe, paʻakikī ka emi ʻana a melemele ka fiber.
04 Waiwai Uila
He haʻahaʻa loa ka conductivity o ka nylon. No laila e maʻalahi ka hōʻiliʻili ʻana o ka uila static i ka wā hana. Akā ke piʻi ka mahana pili o ke kaiapuni, piʻi ka conductivity ma ke ʻano he hana exponential. No ka laʻana, ke loli ka haʻahaʻa pili mai 0 a 100%, e hoʻonui ka conductivity o Nylon 66 i 10.6manawa. No laila, ʻo ka mālama ʻana i ka hānai ʻana e like me ka noe i ka hana ʻana o ka nylon e hoʻemi i ka hōʻiliʻili ʻana o ka uila static.
05 Hoʻohana ʻana i ka wai
ʻO Nylon kahi fiber hydrophobic. Akā i loko o nā macromolecules nylon, he nui nā pūʻulu hydrophilic nāwaliwali, e like me -C=O-NH-. A ma nā ʻaoʻao ʻelua o nā molekala, aia pū kekahi -NH2 a me -COOH hydrophilic pūʻulu. No laila, ʻoi aku ka kiʻekiʻe o ka hana hoʻoheheʻe ʻana o ka nylon ma mua o nā fila synthetic ʻē aʻe, e manaʻo ʻia no Vinal.
06 Waiwai Kemika
He maikaʻi ke kūpaʻa kemika o ka nylon, ʻoi aku ka ikaika o ka alkali. Ma ka 10% NaOH solution, ma hope o ka hana ʻana no 10 mau hola ma 85 ℃, hoʻemi ka ikaika o ka fiber i 5% wale nō.
ʻO ka hui ʻoi aku ka ikaika ma ka nylon macromolecule ka hui amide, kahi e hydrolyzed ma lalo o kekahi mau kūlana.
Hiki i ka ʻakika ke hoʻoheheʻe i nā macromolecules nylon a hoʻemi i ke kiʻekiʻe o ka polymerization fiber. Hiki i nā macromolecules nylon ke hydrolyze i ka wai ma luna o 150 ℃. Hiki i ka ʻakika a me ka wela ke hoʻopau i ka hydrolysis o ka fiber.
Hiki i ka oxidant ikaika ke hōʻino i ka nylon, e like mebleachingka pauka, ka sodium hypochlorite a me ka hydrogen peroxide, a pela aku, ka mea e haʻihaʻi ai i ke kaulahao molekika fiber a hoʻemi i ka ikaika o ka fiber. E melemele nō hoʻi nā lole ma hope o ka hoʻomaʻemaʻe ʻia ʻana e kēia mau mea oxidants. No laila, inā pono e hoʻomaʻemaʻe i nā lole nylon, hoʻohana maʻamau ka sodium chlorite (NaCLO2) a i ʻole ka mea hoʻomaʻemaʻe hoʻomaʻemaʻe.
Ka manawa hoʻouna: Dec-03-2022