Ngā Pūrongo Ahumahi
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He aha ngā āhuatanga o te Polyvinyl Chloride (PVC)?
Ko ētahi o ngā āhuatanga tino nui o te Polyvinyl Chloride (PVC) ko: Te Matotoru: He tino matotoru te PVC ki te whakataurite ki te nuinga o ngā kirihou (te taumaha motuhake tata ki te 1.4) Te Ōhanga: He ngāwari te wātea o te PVC, ā, he iti te utu. Te Pakeke: He pai te tūnga o te PVC pakari mō te pakeke me te roa. Te Kaha: He tino kaha te kaha kume o te PVC pakari. He rauemi "thermoplastic" te Polyvinyl Chloride (he rerekē ki te "thermoset"), e pā ana ki te āhua o te urupare a te kirihou ki te wera. Ka wai ngā rauemi thermoplastic i tō rātou ira rewa (he awhe mō te PVC i waenga i te 100 nekehanga Celsius tino iti me ngā uara teitei ake pērā i te 260 nekehanga Celsius i runga i ngā tāpiringa). Ko tētahi āhuatanga matua whai hua mō ngā thermoplastic ko te taea te whakamahana ki tō rātou ira rewa, te whakamatao, me te whakamahana anō... -
He aha te houra tunutunu?
I te haerenga noa ki te hūpermakete, ka hoko pea ngā kaihoko i te hopi horoi, ka hoko i tētahi pounamu aspirin, ka titiro ki ngā pane hou o ngā niupepa me ngā maheni. I te tirohanga tuatahi, te āhua nei kāore ēnei taonga i te tino ōrite. Heoi, mō ia o ēnei, he mahi nui te houra tunutunu i roto i ā rātou rārangi kai, i ngā tukanga hanga rānei. He aha te houra tunutunu? Ko te houra tunutunu te matū konutai hauwai (NaOH). He kawakore tēnei matū – he momo turanga ka taea te whakakore i ngā waikawa, ā, ka wairewa ki te wai. I ēnei rā, ka taea te hanga houra tunutunu hei pirepire, hei kirikiri, hei paura, hei otinga me ētahi atu. He aha te whakamahinga o te houra tunutunu? Kua noho te houra tunutunu hei wāhanga noa i roto i te hanga o ngā taonga o ia rā. E mōhiotia whānuitia ana ko te rai, kua whakamahia ki... -
He aha i whakamahia pinepine ai te Polypropylene?
E whakamahia ana te polypropylene i roto i ngā mahi ā-whare me ngā mahi ahumahi. Nā ōna āhuatanga ahurei me tōna kaha ki te urutau ki ngā momo tikanga hanga, he mea tino hirahira tēnei rauemi mō ngā momo whakamahinga. Ko tētahi atu āhuatanga tino hirahira ko te kaha o te polypropylene ki te mahi hei rauemi kirihou, hei muka hoki (pērā i ngā putea tote whakatairanga e hoatu ana i ngā huihuinga, i ngā reihi, me ētahi atu). Nā te kaha ahurei o te polypropylene ki te hanga mā roto i ngā tikanga rerekē me ngā mahi rerekē, i tere tonu te wero i te maha o ngā rauemi tawhito kē atu, inā koa i roto i ngā ahumahi takai, muka, me te werohanga werohanga. Kua mau tonu tōna tipu i roto i ngā tau, ā, kei te noho tonu hei kaitākaro nui i roto i te umanga kirihou puta noa i te ao. I Creative Mechanisms, kei a mātou... -
He aha ngā kirikiri PVC?
Ko te PVC tētahi o ngā kirihou e whakamahia nuitia ana i roto i te rāngai ahumahi. Ko Plasticol, he kamupene Itari e tata ana ki Varese, kua neke atu i te 50 tau e hanga ana i ngā kirikiri PVC, ā, nā te wheako i kohia i roto i ngā tau kua hipa i taea ai e te pakihi te whiwhi i tētahi taumata hohonu o te mōhiotanga ka taea e mātou te whakamahi hei whakatutuki i ngā tono katoa a ngā kiritaki e tuku ana i ngā hua auaha me te pono. Ko te meka e whakamahia whānuitia ana te PVC mō te hanga i ngā taonga maha e whakaatu ana i te tino whai hua me te motuhake o ōna āhuatanga ā-roto. Me tīmata tātou ki te kōrero mō te pakari o te PVC: he tino pakari te rauemi mena he parakore engari ka ngāwari mena ka konatunatua ki ētahi atu matū. Nā tēnei āhuatanga motuhake ka pai ai te PVC mō te hanga hua e whakamahia ana i roto i ngā mara rerekē, mai i te hanga kotahi t... -
Ka taea e te kanapa pirau-koiora te huri i te umanga whakapaipai.
Kī tonu te ao i ngā takai kanapa, ngā pounamu whakapaipai, ngā peihana hua me te maha atu, engari he maha o ēnei he mea hanga ki ngā rauemi paitini me te kore e pumau, e whai wāhi ana ki te parahanga kirihou. Nō nā tata nei, kua kitea e ngā kairangahau i Te Whare Wānanga o Cambridge i te UK he huarahi hei hanga i te kanapa pumau, kore-paitini me te pirau mai i te cellulose, te poraka hanga matua o ngā pakitara pūtau o ngā tipu, ngā hua me ngā huawhenua. I whakaputaina ngā pepa e pā ana ki roto i te hautaka Nature Materials i te 11 o ngā rā. He mea hanga mai i ngā nanocrystals cellulose, ka whakamahia e tēnei kanapa te tae hanganga hei whakarerekē i te māramatanga hei whakaputa tae kanapa. I roto i te taiao, hei tauira, ko ngā kanapa o ngā parirau pūrerehua me ngā huruhuru pīkoka he mahi toi o te tae hanganga, e kore e memeha i muri i te rautau. Mā te whakamahi i ngā tikanga whakakotahi-ake, ka taea e te cellulose te whakaputa ... -
He aha te kapia whakapiri Polyvinyl chloride (PVC)?
Ko te Resin Polyvinyl chloride (PVC) , e ai ki te ingoa, ko tēnei resin te nuinga o te wā e whakamahia ana i roto i te āhua whakapiri. He maha ngā tāngata e whakamahi ana i tēnei momo whakapiri hei plastisol, he momo wai ahurei o te kirihou PVC i roto i tōna āhua kāore anō kia tukatukahia. . He maha ngā wā ka whakaritea ngā resin whakapiri mā te whakamahi i ngā tikanga whakaemulsion me te micro-suspension. He iti te rahi o te matūriki o te resin Polyvinyl chloride, ā, he rite tōna kakano ki te talc, kāore e taea te neke. Ka konatunatua te resin polyvinyl chloride ki te Plasticizer, kātahi ka whakaohokia kia hanga he whakatārewatanga pumau, ka hangaia hei whakapiri PVC, hei plastisol PVC rānei, hei sol PVC rānei, ā, i roto i tēnei āhua ka whakamahia te tangata ki te tukatuka i ngā Hua whakamutunga. I roto i te tukanga hanga whakapiri, ka tāpirihia ngā momo whakakī, ngā wairewa, ngā whakaū wera, ngā kaihoko pahuka me ngā whakaū mārama kia rite ki te ... -
He aha a PP Films?
NGĀ ĀHUATANGA He kirihou wera iti te utu o te polypropylene, te PP rānei, he mārama teitei, he kanapa teitei, he kaha kume pai. He teitei ake tōna ira rewa i te PE, ā, he pai mō ngā tono e hiahia ana kia whakahoromatahia i ngā pāmahana teitei. He iti ake hoki te kohu, he kanapa ake hoki. I te nuinga o te wā, kāore ngā āhuatanga hiri-wera o te PP i te pai ki ērā o te LDPE. He pai ake te kaha haehae o te LDPE, ā, he iti hoki te ātete ki te pānga i te pāmahana. Ka taea te whakarewa i te PP, ka hua ake he pai ake ngā āhuatanga ārai hau mō ngā tono uaua e nui ai te roa o te oranga o te hua. He pai ngā kiriata PP mō te whānuitanga o ngā tono ahumahi, kaihoko, me te motuka. Ka taea te hangarua katoa i te PP, ā, ka taea te tukatuka ngāwari ki roto i te maha atu o ngā hua mō ngā tono rerekē. Heoi, kāore... -
He aha te mea he matū PVC?
Ko ngā matū PVC e ahu mai ana i te whakakotahitanga o te polymer PVC RESIN me ngā tāpiringa e homai ana i te whakatakotoranga e tika ana mō te whakamahinga whakamutunga (Paipa, Kōtaha Pakari, Kōtaha Ngāwari, Rau rānei). Ka hangaia te matū mā te whakaranu piri i ngā kai, ka hurihia hei mea "whakakī" i raro i te mana o te wera me te kaha kutikuti. I runga i te momo PVC me ngā tāpiringa, ko te matū i mua i te whakakī ka taea te waiho hei paura rere noa (e mōhiotia ana ko te ranunga maroke) he wai rānei i te ahua o te whakapiri, o te otinga rānei. Ko ngā matū PVC ina hangaia, mā te whakamahi i ngā mea whakapūmau, hei rauemi ngāwari, e kiia ana ko te PVC-P. Ko ngā matū PVC ina hangaia me te kore he mea whakapūmau mō ngā tono pakari ka tohua ko te PVC-U. Ka taea te whakarapopoto i te Whakapūmau PVC penei: Ko te PVC pakari... -
Te Rerekētanga i waenga i ngā Pēke BOPP, OPP me PP.
Ko te nuinga o te wā, ka whakamahia e te umanga kai ngā takai kirihou BOPP. He ngāwari te tā, te pani me te whakakikorua i ngā putea BOPP, ā, he pai mō te tākai i ngā hua hou, ngā mea reka me ngā kai mātotoru. Haunga te BOPP, ka whakamahia hoki ngā putea OPP, me te PP mō te tākai. Ko te Polypropylene tētahi pūmua noa i roto i ngā mea e toru e whakamahia ana mō te hanga i ngā putea. Ko te OPP he tohu mō te Oriented Polypropylene, ko te BOPP he tohu mō te Biaxially Oriented Polypropylene, ā, ko te PP he tohu mō te Polypropylene. He rerekē te momo hanga o ēnei mea e toru. Ko te Polypropylene, e mōhiotia ana ko te polypropene, he pūmua haurua-kiriata thermoplastic. He pakari, he kaha, ā, he ātete ki te pānga. Ko ngā putea tū, ngā putea waha me ngā putea ziplock he mea hanga mai i te polypropylene. He tino uaua ki te wehewehe i waenga i te OPP, te BOPP me te PP plas... -
Te Rangahau Whakamahinga o te Mārama Kukū (PLA) i roto i te Pūnaha Mārama LED.
Kei te rangahau ngā kaipūtaiao o Tiamana me Hōrana i ngā rauemi PLA hou e pai ana mō te taiao. Ko te whāinga he whakawhanake i ngā rauemi pumau mō ngā tono whatu pēnei i ngā rama motuka, ngā karāhe, ngā kirihou whakaata, ngā aratohu rama rānei. I tēnei wā, ko te nuinga o ēnei hua he mea hanga ki te polycarbonate, ki te PMMA rānei. E hiahia ana ngā kaipūtaiao ki te kimi i tētahi kirihou e ahu mai ana i te koiora hei hanga rama motuka. Kua kitea ko te waikawa polylactic te rauemi e tika ana. Mā tēnei tikanga, kua whakatauhia e ngā kaipūtaiao ētahi raruraru e pā ana ki ngā kirihou tuku iho: tuatahi, mā te tahuri i ō rātou aro ki ngā rauemi whakahou ka taea te whakaiti i te pēhanga i puta mai i te hinu mata ki te umanga kirihou; tuarua, ka taea te whakaiti i ngā tukunga hauhā waro; tuatoru, kei roto i tēnei te whakaaro ki te roanga o te ora o ngā rauemi... -
Kua ahu whakamua te kaupapa ethylene miriona tāne o Luoyang!
I te 19 o Oketopa, i rongo te kairīpoata mai i a Luoyang Petrochemical i tū he hui a te Sinopec Group Corporation i Beijing i ngā rā tata nei, i karangahia ai ngā tohunga mai i te neke atu i te 10 ngā wāhanga tae atu ki te China Chemical Society, te China Synthetic Rubber Industry Association, me ngā māngai e tika ana kia whakatūria he rōpū tohunga aromatawai hei aromatawai i ngā miriona o Luoyang Petrochemical. Ka arotakehia whānuitia, ka whakaaturia hoki te pūrongo rangahau whaihua o te kaupapa ethylene 1-tana. I te hui, i whakarongo te rōpū tohunga aromatawai ki ngā pūrongo e tika ana a Luoyang Petrochemical, Sinopec Engineering Construction Company me Luoyang Engineering Company mō te kaupapa, ā, i arotahi ki te aromatawai whānui i te hiahia o te hanganga kaupapa, ngā rauemi mata, ngā mahere hua, ngā mākete, me ngā tukanga... -
Te tūnga o te whakamahinga me te ia o te waikawa polylactic (PLA) i roto i ngā motuka.
I tēnei wā, ko te wāhanga matua o te waikawa polylactic ko ngā rauemi tākai, neke atu i te 65% o te tapeke o te whakamahinga; ā, muri iho ko ngā tono pēnei i ngā taputapu kai, ngā muka/ngā papanga kore-whatu, me ngā rauemi tā 3D. Ko Ūropi me Amerika Te Raki ngā mākete nui rawa atu mō te PLA, ko Āhia Moana-nui-a-Kiwa tētahi o ngā mākete tino tere te tipu i te ao i te mea kei te tipu tonu te tono mō te PLA i ngā whenua pēnei i a Haina, Hapani, Kōrea ki te Tonga, Īnia me Thailand. Mai i te tirohanga o te aratau tono, nā ōna āhuatanga miihini me te tinana pai, he pai te waikawa polylactic mō te hanga extrusion, te hanga werohanga, te hanga pupuhi extrusion, te miro, te pahuka me ētahi atu tukanga tukatuka kirihou nui, ā, ka taea te hanga hei kiriata me ngā pepa. , muka, waea, paura me...