PVC Grade HPMC
PVCKo te HPMC Hydroxypropyl Methylcellulose he momo pūmua e whakamahia ana i roto i ngā momo cellulose katoa, ā, ko te nuinga o ēnei he tino whai hua, ā, ko te mahi tino pai rawa atu. E whakamahia whānuitia ana i roto i ngā momo ahumahi me te oranga o ia rā. Kua mōhiotia tonutia ko te "MSG ahumahi".
Ko te Hydroxypropyl methyl cellulose (HPMC) tētahi o ngā mea whakamarara matua i roto i te umanga polyvinyl chloride (PVC). I te wā e whakapūhuitia ana te vinyl chloride, ka taea e ia te whakaiti i te taumahatanga ā-mata i waenga i te VCM me te wai, ā, ka āwhina i ngā monomers vinyl chloride (VCM) kia marara ōrite, kia pumau hoki i roto i te reo wai; ka ārai i te hanumitanga o ngā pata VCM i te wā tōmua o te tukanga whakapūhui; ka ārai i te hanumitanga o ngā matūriki polymer i te wā tōmuri o te tukanga whakapūhui. I roto i te pūnaha whakapūhuitia, ka whai wāhi ia ki te marara me te tiaki, ā, ka whai wāhi ia ki te pumau.
I roto i te whakapūhuitanga whakatārewatanga VCM, he ngāwari te whakakotahi i ngā pata whakapūhuitanga wawe me ngā matūriki polymer waenga me muri i te tīmatanga, nō reira me tāpiri he kaihoko tiaki marara ki te pūnaha whakapūhuitanga whakatārewatanga VCM. Mō te tikanga whakaranu pumau, ko te momo, te āhua me te nui o te mea whakamarara kua noho hei mea matua hei whakahaere i ngā āhuatanga o ngā matūriki PVC.
Whakatakotoranga Matū
| HPMC karaehe PVC Whakatakotoranga | HPMC60E ( 2910) | HPMC65F( 2906) | HPMC75K( 2208) |
| Te pāmahana o te kirikiri (℃) | 58-64 | 62-68 | 70-90 |
| Metoki (WT%) | 28.0-30.0 | 27.0-30.0 | 19.0-24.0 |
| Hydroxypropoxy (WT%) | 7.0-12.0 | 4.0-7.5 | 4.0-12.0 |
| Te matotoru (cps, 2% Otinga) | 3, 5, 6, 15, 50,100, 400,4000, 10000, 40000, 60000,100000,150000,200000 | ||
Taumata Hua:
| PVC HPMC taumata | Te matotoru (cps) | Kōrero |
| HPMC60E50(E50) | 40-60 | HPMC |
| HPMC65F50 (F50) | 40-60 | HPMC |
| HPMC75K100 (K100) | 80-120 | HPMC |
Ngā Āhuatanga
(1)Te pāmahana whakapūhui: Ko te pāmahana whakapūhui te mea e whakatau ana i te taumaha ngota ngota toharite o te PVC, ā, kāore he pānga o te kaiwhakamarara ki te taumaha ngota ngota. He teitei ake te pāmahana tiēre o te kaiwhakamarara i te pāmahana whakapūhui hei whakarite i te mararatanga o te pūhui e te kaiwhakamarara.
(2) Ngā āhuatanga o te matūriki: ko te whānui o te matūriki, te āhua, te porosity, me te tohatoha matūriki he tohu nui mō te kounga SPVC, e pā ana ki te hoahoa o te kaiwhakaoho/tauhohenga, te ōwehenga wai-ki-hinu polymerization, te pūnaha marara me te tere tahuritanga whakamutunga o te VCM, he mea tino nui te pūnaha marara.
(3) Te Whakaohooho: Pērā i te pūnaha marara, he nui tōna pānga ki te kounga o te SPVC. Nā te rahi o ngā pata VCM i roto i te wai, ka piki ake te tere whakaoho, ka heke hoki te rahi o te pata; ina nui rawa te tere whakaoho, ka kohikohi ngā pata, ka pā ki ngā matūriki whakamutunga.
(4) Pūnaha tiaki marara: Ka tiakina e te pūnaha tiaki ngā pata VCM i te tīmatanga o te tauhohenga kia kore ai e hanumi; ka tau te PVC i hangaia ki roto i ngā pata VCM, ā, ka tiakina e te pūnaha marara te kohikohinga o ngā matūriki whakahaeretia, kia whiwhi ai i ngā matūriki SPVC whakamutunga. Kua wehea te pūnaha marara ki te pūnaha marara matua me te pūnaha marara āwhina. He nui te tohu waipiro o te marara matua PVA, HPMC, me ētahi atu, e pā ana ki te mahi whānui o te SPVC; ka whakamahia te pūnaha marara āwhina hei whakapai ake i ētahi āhuatanga o ngā matūriki SPVC.
(5) Te pūnaha marara matua: Ka wairewahia e te wai, ā, ka whakau i ngā pata VCM mā te whakaiti i te taumahatanga ā-kanohi i waenga i te VCM me te wai. I tēnei wā i roto i te umanga SPVC, ko ngā mea marara matua ko te PVA me te HPMC. He painga o te HPMC kounga PVC ko te iti o te horopeta, te pumau o te wera me te pai o te mahi kirihou o te SPVC. Ahakoa he utu nui, kei te whakamahia whānuitia tonu. He mea nui te HPMC kounga PVC hei ārai marara i roto i te hanga PVC..
Tākai
TKo te taumaha paerewa he 25kg/pahu
20'FCL: 9 tana me te papa reti; 10 tana kāore i te papa reti.
40'FCL:18tana me te papa reti;20tana kāore anō kia whakapūtāhia.
Rokiroki:
Penapenahia ki te wāhi hauhautanga, maroke i raro i te 30°C, ā, kia tiakina hoki mai i te haumākū me te pēhitanga, nā te mea he kirihou wera te taonga, kaua e neke ake i te 36 marama te roa o te rokiroki.
Ngā tuhipoka haumaru:
E hangai ana ngā raraunga o runga ake nei ki tā mātou e mōhio nei, engari kaua e tukua kia kore e tika kia tirohia wawetia e ngā kiritaki i te taenga mai. Hei karo i ngā momo hanganga me ngā momo rauemi mata, me whakamātautau anō i mua i te whakamahinga.
Wā tuku: Hanuere-01-2024