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Anhydride Phthalic (PA) Nama CAS: 85-44-9
Tirohanga Whānui o te Hua
He matū koiora nui te Phthalic Anhydride (PA), e puta mai ana i te wā e whakapūngaohia ana te ortho-xylene, te naphthalene rānei. He rite ki te mātotoru tioata mā, he kakara riri. He whānuitia te whakamahinga o te PA i roto i te hanga o ngā mea whakapūngao kirihou, ngā kapia polyester kore mākū, ngā kapia alkyd, ngā tae, me ngā tae, ā, he mea nui tēnei hei takawaenga i roto i te umanga matū.
Ngā Āhuatanga Matua
- Te Tauhohenga Teitei:Kei roto i te PA ngā rōpū anhydride, e tere ai te tauhohe ki ngā waipiro, ngā amine, me ētahi atu matū hei hanga i ngā esters, i ngā amides rānei.
- Te Wairewatanga Pai:Ka wairewa i roto i te wai wera, i ngā waipiro, i ngā etera, me ētahi atu whakarewa waro.
- Te pumau:Ka pumau i raro i ngā āhuatanga maroke engari ka pōturi te waikura hei waikawa phthalic i te aroaro o te wai.
- Ngā mahi maha:E whakamahia ana mō te hanga i te whānuitanga o ngā hua matū, ā, he tino whai hua.
Ngā tono
- Ngā mea hanga kirihou:Whakamahia hei whakaputa i ngā phthalate esters (hei tauira, DOP, DBP), e whakamahia whānuitia ana i roto i ngā hua PVC hei whakarei ake i te ngāwari me te ngāwari ki te tukatuka.
- Ngā Resin Polyester Kore-Makuku:E whakamahia ana i roto i te hanga karāhe muka, ngā paninga, me ngā piripiri, e tuku ana i ngā āhuatanga hangarau me te ātete matū tino pai.
- Ngā Resini Āriki:E whakamahia ana i roto i ngā peita, i ngā paninga, me ngā wanihi, hei whakarato i te piri pai me te kanapa.
- Ngā Tae me ngā Pūāhua:He takawaenga i roto i te hanganga o ngā tae me ngā tae anthraquinone.
- Ētahi atu Taupānga:E whakamahia ana i roto i te hanga o ngā takawaenga rongoā, ngā patu pepeke, me ngā kakara.
Te Tākai me te Rokiroki
- Tākai:E wātea ana i roto i te 25 kg/pēke, 500 kg/pēke, me ngā pēke tana rānei. E wātea ana ngā kōwhiringa tākai ritenga ina tonoa.
- Rokiroki:Penapena ki tētahi wāhi hauhautanga, maroke, ā, he pai te hauhautanga. Āta karohia te pā ki te makuku. Te pāmahana rokiroki e taunakitia ana: 15-25℃.
Ngā Whakaaro Haumaru me te Taiao
- Te riri:He whakapataritari te PA ki te kiri, ki ngā kanohi, me te pūnaha manawa. Me mau ngā taputapu tiaki tika (hei tauira, ngā karapu, ngā mōhiti kanohi, ngā manawa) i te wā e whakamahi ana.
- Te mura:Ka mura, engari kāore e tino mura. Puritia kia matara atu i ngā mura tuwhera me ngā pāmahana tiketike.
- Pānga ki te Taiao:Whakakorea ngā para i runga anō i ngā ture taiao ā-rohe hei ārai i te parahanga.
Whakapā mai
Mō ētahi atu pārongo, mō te tono tauira rānei, whakapā mai ki tā mātou tīma hokohoko. E whakapau kaha ana mātou ki te whakarato hua kounga teitei me te ratonga tino pai!
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Whakataki Hua Methanol
Tirohanga Whānui o te Hua
He wai kore tae te methanol (CH₃OH), he wai pūngāwerewere, he kakara waipiro ngawari. Hei matū waipiro māmā rawa, e whakamahia whānuitia ana i roto i ngā ahumahi matū, pūngao, me te rongoā. Ka taea te whakaputa mai i ngā wahie pūmua (hei tauira, te hau māori, te waro) i ngā rauemi whakahou rānei (hei tauira, te koiora, te hauwai matomato + CO₂), ā, he mea matua tēnei hei āwhina i te whakawhiti waro-iti.
Ngā Āhuatanga o te Hua
- Teitei o te Pai o te Tahunga: He tahunga ma, he taurite te kaha o te wera, ā, he iti ngā tukunga.
- Ngāwari te Rokiroki me te Kawe: He wai i te pāmahana rūma, he nui ake te tauine i te hauwai.
- Ngāwari ki te whakamahi: Whakamahia hei wahie, hei rauemi matū hoki.
- Te Oranga Tonu: Ka taea e te "methanol matomato" te whakatutuki i te kore waro.
Ngā tono
1. Pūngao Wahie
- Wahie Waka: Ka whakaitihia e te penehīni methanol (M15/M100) ngā tukunga hau.
- Wahie Moana: Ka whakakapi i te hinu wahie taumaha i roto i ngā kaipuke (hei tauira, ngā kaipuke a Maersk e whakamahia ana te methanol).
- Ngā Pūtau Wahie: Ka whakakaha i ngā taputapu/taraiwa rererangi mā roto i ngā pūtau wahie methanol tika (DMFC).
2. Ngā Kai Matū
- Whakamahia hei hanga formaldehyde, waikawa acetic, olefins, me ētahi atu, mō ngā kirihou, ngā peita, me ngā muka hangai.
3. Ngā Whakamahinga Hou
- Kawe Hauwai: Ka rongoa/tuku hauwai mā te pakaru methanol.
- Te Hangarua Waro: Ka whakaputa i te methanol mai i te hauwaiwaro CO₂.
Ngā Whakatakotoranga Hangarau
Taonga Whakatakotoranga Te parakore ≥99.85% Kiato (20℃) 0.791–0.793 karamu/cm³ Te Pūtake Kohua 64.7℃ Pūwāhi Ngaro 11℃ (Mumura) Ā Mātou Painga
- Tukunga Mutunga-ki-Mutu: Ngā otinga whakauru mai i ngā rauemi whāngai ki te whakamahinga mutunga.
- Ngā Hua Whakarite: Methanol taumata-ahumahi, taumata-wahie, me te taumata-hiko.
Kia mōhio: Kei te wātea ngā MSDS (Pepa Raraunga Haumaru Rauemi) me te COA (Tiwhikete Tātari) ina tonoa mai.
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Whakataki Hua Diethylene Glycol (DEG)
Tirohanga Whānui o te Hua
Ko te Diethylene Glycol (DEG, C₄H₁₀O₃) he wai matotoru, kāore he tae, he kakara, he āhua waikore, he reka hoki. Hei takawaenga matū nui, e whakamahia whānuitia ana i roto i ngā kapia polyester, ngā ārai hukapapa, ngā mea hanga kirihou, ngā whakarewa, me ētahi atu whakamahinga, ā, he rauemi mata matua i roto i ngā ahumahi petrochemical me ngā ahumahi matū pai.
Ngā Āhuatanga o te Hua
- Teitei o te Kohua: ~245°C, he pai mō ngā tukanga pāmahana teitei.
- Āhua-waikawa: Ka mimiti i te makuku mai i te hau.
- Te wairewatanga tino pai: Ka taea te whakaranu ki te wai, ki ngā waipiro, ki ngā ketone, me ētahi atu.
- Iti te Paitini: He iti ake te paitini i te ethylene glycol (EG) engari me whakamahi haumaru.
Ngā tono
1. Ngā Polyester me ngā Resin
- Te hanga kapia polyester kāore i te mākū (UPR) mō ngā paninga me te muka karāhe.
- He waimeha mō ngā kapia epoxy.
2. Ngā Ārai Huka me ngā Pouaka Whakamatao
- Ngā hanganga ārai huka iti-paitini (kua konatunatua ki te EG).
- Kaihoko whakamaroke hau māori.
3. Ngā Kaiwhakakirikiri me ngā Whakarewa
- He whakarewa mō te nitrocellulose, ngā waituhi, me ngā piripiri.
- Hinu whakahinuhinu kakahu.
4. Ētahi atu Whakamahinga
- Whakamakuku tupeka, turanga whakapaipai, purenga hau.
Ngā Whakatakotoranga Hangarau
Taonga Whakatakotoranga Te parakore ≥99.0% Kiato (20°C) 1.116–1.118 karamu/cm³ Te Pūtake Kohua 244–245°C Pūwāhi Ngaro 143°C (Ka mura)
Te Tākai me te Rokiroki
- Mōkihi: 250kg ngā pahu piauau, ngā tāke IBC.
- Rokiroki: Hiri, maroke, whakapūhautia, kia matara atu i ngā mea whakahāweawe.
Ngā Tuhipoka Haumaru
- Mōrearea Hauora: Whakamahia he karapu/mōhiti kanohi hei karo i te pā atu.
- Whakatūpato Paitini: Kaua e horomia (he reka engari he paitini).
Ā Mātou Painga
- Teitei o te Parakore: He tino tika te QC me te iti o ngā poke.
- Tuku Ngāwari: Tākai papatipu/whakaritea.
Kia mōhio: Kei te wātea ngā tuhinga COA, MSDS, me REACH.