Raupapa PPG Polypropylene Glycol CAS 25322-69-4
| Raupapa PPG Polypropylene Glycol | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 1. Ka wairewa ngā raupapa PPG i roto i ngā whakarewa waro methylbenzene, etanoru me te TCE. Ka wairewahia ngā PPG200, 400 me te 600 i roto i te wai, ā, ka taea te whakahinuhinu, te whakarewa, te tango huka me te ārai-patū. Ka taea te whakamahi i te PPG-200 hei kaihoko whakamarara i ngā tae. 2. I roto i ngā mahi whakapaipai, ka taea te whakamahi i te PPG400 hei whakangawari, hei whakangawari me hei hinu whakahinuhinu. 3. Whakamahia hei tango huka i roto i te peita me te hinu waipēhi, te rapa hangai me te rapa; hei kaihoko tio, hei whakapai ake i te whakamatao me te matotoru i roto i te wai whakawhiti wera. 4. Whakamahia hei takawaenga mō te whakaesterifikasi, te whakaeterifikasi me te whakapūhautanga maha. 5. Whakamahia hei kaihoko tuku, hei whakarewa, hei tāpiri mō ngā hinu hangai me te wai tapahi wairewa, te hinu roera, te hinu waipēhi me te hinu whakahinuhinu pāmahana teitei, ngā hinu whakahinuhinu ā-roto, ā-waho hoki mō te rapa. 6. He āhuatanga whakahinuhinu, ātete pahuka, ātete wera me te makariri tō PPG-2000~8000. 7. Ko te PPG-3000~8000 te wāhanga matua o te polyether, ā, ka taea te whakaputa kirihou pahuka polyurethane. 8. Ka taea te whakamahi tika i te PPG-3000~8000, te whakaetere rānei hei hanga kirihou me te hinu whakahinuhinu. 9. Ka taea te whakamahi i tēnei raupapa hei rauemi turanga mō ngā matū o ia rā, ngā rongoā me ngā kaihoko hinu.
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