Nā ʻano o ka mea silicone

Nā ʻano o ka mea silicone

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1. Ka mānoanoa
Ka wehewehe ʻana i nā huaʻōlelo ʻepekema a me ka ʻenehana: ʻO nā ʻano volumetric o ka wai, pseudo-wai a i ʻole pseudo-solid mea e kūʻē i ke kahe ʻana, ʻo ia hoʻi, ka friction kūloko a i ʻole ke kūʻē kūloko o ke kahe ma waena o nā molekala ke kahe ia ma lalo o ka hana a ka ikaika o waho. Ma lalo o nā kūlana maʻamau, pili pono ka viscosity i ka paʻakikī.

2. Paʻakikī
ʻO ka hiki o kahi mea ke kū'ē i nā mea paʻakikī i paʻi ʻia i loko o kona ʻili ua kapa ʻia ʻo ia he paʻakikī. Loaʻa i ka ʻōpala silicone kahi pae paʻakikī Shore o 10 a 80, e hāʻawi ana i nā mea hoʻolālā i ke kūʻokoʻa piha e koho i ka paʻakikī e pono ai e hoʻokō pono i nā hana kikoʻī. Hiki ke hoʻokō ʻia nā waiwai paʻakikī waena like ʻole ma ke kāwili ʻana i nā substrates polymer, nā mea hoʻopihapiha a me nā mea hoʻohui i nā ʻāpana like ʻole. Pēlā nō, hiki i ka manawa a me ka mahana o ka hoʻomehana a me ka hoʻōla ʻana ke hoʻololi i ka paʻakikī me ka ʻole o ka luku ʻana i nā ʻano kino ʻē aʻe.

3. Ikaika tensile
ʻO ka ikaika tensile e pili ana i ka ikaika e pono ai i kēlā me kēia ʻāpana laulā e haehae ai kahi ʻāpana o ka laʻana mea laholio. ʻO ka ikaika tensile o ka laholio silicone paʻa i hoʻoluʻu ʻia i ka thermally ma waena o 4.0-12.5MPa. ʻO ka ikaika tensile o ka laholio fluorosilicone ma waena o 8.7-12.1MPa. ʻO ka ikaika tensile o ka laholio silicone wai ma ka pae o 3.6-11.0MPa.

ʻEhā, ikaika haehae
ʻO ke kū'ē e pale ana i ka hoʻonui ʻia ʻana o ka ʻoki a i ʻole ka helu ke hoʻopili ʻia ka ikaika i ka hāpana ʻoki. ʻOiai inā e kau ʻia ma lalo o ke kaumaha torsional kiʻekiʻe loa ma hope o ka ʻoki ʻana, ʻaʻole hiki ke haehae ʻia ka ʻōpala silicone paʻa i hoʻoulu ʻia i ka wela. ʻO ka pae ikaika haehae o ka ʻōpala silicone paʻa i hoʻoulu ʻia i ka wela ma waena o 9-55 kN/m. ʻO ka pae ikaika haehae o ka ʻōpala fluorosilicone ma waena o 17.5-46.4 kN/m. ʻO ka ikaika haehae o ka ʻōpala silicone wai mai 11.5-52 kN/m.

5. Hoʻolōʻihi
ʻO ka maʻamau, pili ia i ka "Ultimate Break Elongation" a i ʻole ka pakeneka o ka piʻi ʻana e pili ana i ka lōʻihi mua i ka wā e haki ai ka laʻana. ʻO ka rubber silicone paʻa i hoʻoulu ʻia i ka thermally he elongation ma ka laulā o 90 a 1120%. ʻO ka elongation maʻamau o ka rubber fluorosilicone ma waena o 159 a me 699%. ʻO ka elongation maʻamau o ka rubber silicone wai ma waena o 220 a me 900%. Hiki i nā ʻano hana like ʻole a me ke koho ʻana o ka mea paʻakikī ke hoʻololi nui i kona elongation. Pili nui ka elongation o ka rubber silicone i ka mahana.

6, ka manawa hana
Ua helu ʻia ka manawa hana mai ka manawa i hoʻohui ʻia ai ke colloid i ka mea hoʻouluulu. ʻAʻohe palena piha ma waena o kēia manawa hana a me ka manawa hoʻouluulu ma hope. Ua hana ʻia ka hopena hoʻouluulu i ke colloid mai ka manawa i hoʻohui ʻia ai ka mea hoʻouluulu. ʻO ke ʻano o kēia manawa hana ʻaʻole ia e hoʻopilikia ka hopena hoʻouluulu 30-minuke o ka huahana i ka maikaʻi o ka huahana i hoʻopau ʻia. No laila, ʻo ka nui o ka manawa i mālama ʻia i ke kaʻina hana huahana, ʻoi aku ka maikaʻi o ia mea i ka huahana i hoʻopau ʻia.

7, manawa ho'ōla
E ʻōlelo kekahi mau wahi he manawa hoʻōla ia. ʻO ia hoʻi, ua pau ka hopena vulcanization o ka silica gel ma hope o ka manawa lōʻihi. Pau kēia, ʻo ia hoʻi ua loaʻa mua ka huahana, akā ʻo ka ʻoiaʻiʻo, aia nō kahi ʻāpana liʻiliʻi o ka hopena hoʻōla i pau ʻole. No laila, ʻo nā huahana i hana ʻia me ka silicone rubber, e like me nā ʻōmole silicone, e lawe pinepine i kahi manawa ma mua o ka hoʻohana ʻia ʻana.
ʻO Silica gel (Silica gel; Silica) alias: He mea adsorption ikaika loa ka Silica gel, he mea amorphous. ʻO kona ʻano kemika he mSiO2·nH2O; ʻaʻole ia e pane me kekahi mea koe wale nō ka alkali ikaika a me ka waikawa hydrofluoric. ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai a me nā mea hoʻoheheʻe, ʻaʻohe mea ʻawaʻawa, ʻono ʻole, a paʻa kemika. Hoʻokumu nā ʻano silica gel like ʻole i nā ʻano microporous like ʻole ma muli o kā lākou ʻano hana like ʻole. ʻO ka hoʻohuihui kemika a me ke ʻano kino o ka silica gel e hoʻoholo ai he nui nā mea like ʻē aʻe i paʻakikī ke pani: hana adsorption kiʻekiʻe, kūpaʻa wela maikaʻi, nā waiwai kemika paʻa, a me ka ikaika mechanical kiʻekiʻe. Wahi a ka nui o kona nui pore, ua māhele ʻia ka silica gel i: macroporous silica gel, coarse pore silica gel, B-type silica gel, fine pore silica gel, etc.

ʻO ke kumukūʻai o nā mea silicone i kēia manawa he paʻa ʻole loa, e piʻi ana i kēlā me kēia lā, he mea paʻakikī iā mākou ke hoʻoholo i ke kumukūʻai. Hiki iā mākou ke hana walenā ʻōmole siliconei kēia manawa.


Ka manawa hoʻouna: Sep-27-2021