He kirihou māmā engari he kaha te polypropylene (PP). Ka kitea i roto i te nuinga o ngā mea e whakamahia ana e tātou i ia rā, mai i te Tupperware ki ngā wāhanga motuka. Ko te tikanga ka mōhiotia e te tangata nā tōna maeneene me te āhua ware pi. He mea whakamiharo te polypropylene nā te mea ka ātete ki te wai, ki ngā matū maha, tae atu ki te wera tae noa ki te 130°C. He pai ki ngā wheketere nā te mea ka taea te hanga hei muka, hei pepa, hei hua whakarewa rānei me te iti o te para. E whakaaetia ana te PP e te nuinga o ngā pokapū hangarua, koia tētahi o ngā kirihou tino pumau. E whakaatu ana te kōrero mō te polypropylene me pēhea te awe o ngā rauemi tino taketake ki te oranga o ia rā. Hei mārama he aha i puta ai i ngā wāhi katoa, he āwhina ki te tirotiro i te pai me te horopaki o taua mea i roto i te ahumahi me ō tātou ake kāinga.

He aha te Polypropylene?

Ko te polypropylene, he pūmua maha-whakamahinga, he rauemi kirihou wera e whakamahia ana i roto i ngā momo mahi, tae atu ki te takai, te kakahu, me ngā wāhanga motuka. Ka horapa ōna whakamahinga ki papanga polypropylene mō ngā taura me ngā kākahu wera, tae atu ki ngā ipu me ngā taputapu taiwhanga ka taea te whakamahi anō. Mai i tōna whakarewatanga arumoni i te tau 1957, hangarua polypropylene kua noho hei mea nui nā tōna pakari me te ātete ki ngā taiao uaua, ā, he mea rongonui i roto i te umanga kirihou.

1. Hanganga Matū

Ko te propylene, te turanga mō ngā kirihou polypropylene, he tauira māmā noa iho: C3H6. He mea nui tēnei whirihoranga nā te mea ka taea e ngā waeine propylene te here i roto i te āhua rārangi, ka hanga he mekameka roa. Ko te tuara matua o te kapia polypropylene ko te waro, me te whakakī hauwai. Ko te mea e tino whakaatu ana i tōna āhua ko te rōpū "methyl" iti (he rōpū CH3) e iri ana i ia rōpū. Mā ēnei rōpū methyl ka pakari, ka ngāwari hoki te polypropylene mā te ārai i ngā mekameka kei paheke tetahi ki tetahi. Mō koutou katoa e rapu rauemi ana, mā te mārama ki ngā whakamahinga o te polypropylene ka taea e koe te whiriwhiri i te mea tika mō tō kaupapa.

2. Āhua Tinana

He maha ngā wā ka puta te polypropylene hei kirihou mā, mārama rānei, he mama engari he pakari. Ka taea te hanga hei kiriata, hei muka, hei whakapūkara rānei.

Ka rerekē te āhua me te āhua o tēnei kirihou i runga i te momo. Ko ētahi momo he pakari ake, ko ētahi he piko ake, he ngawari ake, ā, ko ētahi ka taea te miro hei muka kaha mō ngā papanga. Ka rerekē te āhua me te āhua o te kirihou i tōna āhua me tōna whakamahinga. Hei tauira, nā te ngāwari o te werohanga ka waiho hei mea pai mō ngā wāhanga motuka, ngā ipu kai rānei. He mea nui tōna āhua me tōna āhua, nā te mea ka whakatau i te wāhi me te āhua o te whakamahinga.

3. Ngā Āhuatanga Matua

Ko te pakari, te ngāwari, me te mama ngā tohu o te polypropylene, he polymer maha-whakamahinga e mōhiotia ana mō tōna ātete wera, me te ira rewa i waenga i te 160 me te 166 °C. Ko te kaha me te pakari o te polypropylene he mea tino pai mō ngā hua e hiahia ana kia mau tonu tōna āhua i raro i te taumahatanga, inā koa ka whakaarohia te whakamahinga o te polypropylene i roto i ngā momo tono. Heoi anō, ko tōna ātete ki te waikura, inā koa me ngā mea whakau, ka whakarite kia mau tonu i te rā, i te rangi kino rānei.

4. Ngā Momo Matua

E rua ngā momo matua o te polypropylene: ko te isotactic me te syndiotactic, he rerekē te āhua o te rārangi o ngā rōpū methyl. Ko ngā homopolymers, pērā i te polypropylene kāore i whakarerekētia, he propylene anake te mea i titoa, ko ngā copolymers ia ka hanumi ki roto i ētahi atu ngota iti. Ko te āhua o te tukatuka i te polypropylene—mā te whakamahi i ngā tikanga polymerization motuhake, hei tauira—ka whakarerekē i tōna momo me ngā āhuatanga whakamutunga. He maha te whakamahinga o te polypropylene isotactic i roto i ngā takai, ko ngā syndiotactic ia e pai ana ki ngā tono motuhake.

5. Tukanga Whakaputa

Ka tīmata katoa mā te hau propylene, ka whakakotahihia, ka whakamahanahia ki tētahi whakakorikori pērā i a Ziegler-Natta hei hanga i ngā pūmua maha-whakamahinga pērā i ngā kapia polypropylene. Ka whakarerekē te pāmahana me te pēhanga i roto i tēnei tauhohenga whakakorikori i te kaha me te ngāwari o te kirihou whakamutunga, ka nui ake te kanorau o ngā whakamahinga polypropylene, ā, ka ea hoki tōna hiahia nui o te ao.

Te Paradox Polypropylene

He rerekē te tūnga o te polypropylene, he polymer maha-whakamahinga. Koinei te mea e whakangawari ana i te oranga o ēnei rā, engari e waiho ana i a tātou me ngā āwangawanga nui mō ngā para me ngā kino ki te taiao. He mārama te āhua o te raruraru: e hiahia ana tātou ki ngā painga katoa o te whakamahinga o te polypropylene, engari e āwangawanga ana tātou mō te utu ki tō tātou ao.

Whaipainga Kāore i te ōrite

Ka kitea te polypropylene i ngā wāhi katoa—ngā ipu kai, ngā weronga rongoā, ngā parepare waka, tae atu ki ngā putea raihi me te paraoa whatu. Ka kitea i roto i ngā whāriki, i ngā taonga, i ngā taura me ngā nāpi. Ka horapa atu i ngā pouaka o te kīhini ki ngā rūma taputapu hōhipera.

Ka whiriwhiria e ngā kaihoko te polypropylene nā tōna māmā, tōna pakari, me tōna utu iti. Ka pupuri i te hou, ka ātete ki te wera, ā, ka ārai i te wai me te nuinga o ngā matū. Nā ēnei āhuatanga i pai ai mō ngā takai, ngā ipu rokiroki, me ngā taonga maha o te whare.

I roto i ngā kaupapa nunui, ka whakamahia te pp mō ngā paipa, te whakamahana me ngā wāhanga waka. Nā tōna kaha ki te piko engari kāore e whati ka āwhina i te whakaiti i te taumaha o te waka, me te penapena wahie. E whakawhirinaki ana ngā kaihanga ki a ia mō tōna kaha me tōna uara.

Nā te mea ka taea te whakahāngai, te whakakanapa tae, ā, ka pakari, ka ngāwari hoki, kei te piki haere tonu te hiahia mō te PP. He tino pai mō te tini o ngā mahi, ā, kāore e taea e te nuinga o ngā kamupene te whakaaro ki tētahi kōwhiringa pai ake.

Te Utu Taiao

Ka pau te hinu, te hau rānei i te hanga polypropylene, ā, ka puta he hau kati kōtuhi. Ka mōrearea te kounga o te wai me te hau i ngā para o ngā tipu PP, nā te mea ka turuturu, ka poke te taiao, ka kino hoki ki ngā kararehe o te rohe.

Kia whakamahia, ka makahia te PP. Ka ārai i ngā whenua ururua, ā, ka pirau hei kongakonga moroiti ka marara noa atu i roto i te oneone, i te wai rānei. Ka taea e ngā kararehe te kai i ēnei kongakonga i runga i te tūpono.

Kāore te PP e tere pirau i te ngahere. Ka roa pea mō ngā tau, mō ngā tekau tau rānei, e whakaatu ana ngā rangahau ka pau te 50% i muri i te 4.5 tau, ā, ka tino pirau i roto i te 72 tau, i runga i te wera me te rā. Heoi, ko ngā kīanga whānui pēnei i te "1000 tau te roa o ngā pēke kirihou" kāore e hangai ki ngā whakamātautau tūturu—ko te nuinga o ngā pēke ka tere ake te pakaru i roto i te taiao.

E piriona tāra te moni e whakangaohia ana e te umanga kirihou hei whakaiti i tēnei pakaru, engari he whānui te rerekētanga i waenga i te roa o te wā e whakaponohia ana e te tangata ka mau tonu te PP me ngā mea e whakakitea ana e te pūtaiao. Ki te kore tātou e aro atu ki ēnei āhuatanga, ka piki haere ngā whakapaunga.

Te Mooni o te Hangarua

He polypropylene, me te waehere hangarua 5. Mā tēnā ka wehea ai i ētahi atu kirihou, engari kāore e taea te hangarua i ngā wāhi katoa.

He arai kei te hangarua i ngā PP. Ka konatunatua ngā para ki te kai, ki te oneone rānei, ka poke, ka uaua te horoi, ka whakaiti hoki i te uara o ngā PP hangarua. Te Rōpū Whakamahi Anō o te Polypropylene e ngana ana ki te whakanui ake i te kohikohinga me te arotau i ngā taputapu whakarōpū, engari he pikinga uaua.

Ka taea te hanga anō i ngā mea PP tawhito hei mea hou—ngā wāhanga motuka, ngā taonga o waho, ngā ipu para rānei—mēnā ka wehea tika. Mā tēnei ka kore e uru ngā para ki ngā whenua ururua, ā, ka whakaitihia te hiahia mō te hinu parakore.

Te Polypropylene i roto i te Oranga o Ia Rā

Ko te polypropylene, he polymer maha ngā whakamahinga, kei roto i ngā ipu kai tae atu ki ngā wāhanga motuka. Nā te kaha, te māmā, me te utu iti, kua waiho hei mea rongonui mō ngā whakamahinga polypropylene maha. Ka tūtaki tātou katoa ki ngā hua polypropylene i ia rā, i ētahi wā kāore i te mōhiotia. Mā te mārama ki tōna wāhi i roto i ngā hua o ia rā, ka taea e ngā kaihoko te whakatau whai whakaaro, inā koa he nui ake te hunga e hiahia ana ki ngā kōwhiringa haumaru ake, roa ake, me te pai ake mō te taiao.

Tākai

• He pakari, he uaua hoki ki te wawahi, kia noho haumaru ai ngā taonga i a koe e haere ana.

• Ka ārai i te urunga o te makuku, ka roa ake te ora o te pupuri

• Horoi me te whakamahi anō – te whakaiti i te para

• Ka taea e koe te ngāwari ki ngā āhua hou, ngā taupoki mārama, me te whakatuwhera ngāwari

• He maha ngā wā e whakamahia ana hei hanga kiriuhi mō te tātari me te horoi

He āwangawanga te takai pakari mō te tangata me te whenua. He ahurei ngā whakamahinga o te polypropylene nā te mea kāore e mimiti i te wai, ā, e ātete ana ki te pānga, ki ngā maturuturunga iho, tae atu ki ētahi matū. Ki te taea e koe, kimihia he huarahi hei hangarua i ngā takai polypropylene – ahakoa he putea hokohoko, he ipu rokiroki rānei – hei whakaiti i te para. Ka whakamahia e ngā hoahoa mohio ōna āhuatanga mārama, pakari hei hanga pouaka e whakaatu ana i ngā mea kei roto engari e mau tonu ana te hanganga.

Aunoa

He mea nui te polypropylene, he polymer maha-whakamahinga, i roto i ngā parepare waka, i ngā papaaho whakahaere, i ngā panera tatau, tae atu ki ngā pouaka pākahiko. Nā tōna tino iti o te mātotoru (tata ki te 0.9 karamu/cm3) ka āwhina i te pupuri i ngā waka kia māmā, kia penapena wahie. He pai te urupare a te rauemi ki te wera, ka ārai i ngā wāhanga kei piko i ngā rā wera. Mō te haumarutanga, ka taea e ia te mimiti me te tohatoha i te kaha i roto i te tukinga, ka āwhina i te tiaki i te hunga noho. E whakawhirinaki ana ngā waka hou ki te whakamahi i te polypropylene mō te mahi me te momo - te whakataurite i te haumaru, te utu, me te kaha - i roto i ā rātou hoahoa.

Ngā kakahu

Kei roto i ngā momo kāpeti tae atu ki ngā kākahu hākinakina ngā papanga polypropylene hangai. He pakari, he pakari, ā, kāore e mimiti i te werawera — he mea pai mō ngā kākahu o waho me ngā kākahu hākinakina. Ka tere te maroke o ēnei kākahu, ā, ka mau tonu te whakamarie, ahakoa e hikoi ana, e oma ana rānei. He ngāwari, he pakari hoki, ka kitea te miro polypropylene i roto i ngā tēneti, i ngā here, tae atu ki ētahi hu, e whakaatu ana i te maha o ngā whakamahinga o te polypropylene i roto i ngā momo mahi.

Hauora

He mahi nui tā te polypropylene i roto i te ao hauora. Kei roto i ngā ngira, i ngā pounamu pire, i ngā mata pokanga, me ngā kati patunga. He koretake tēnei rauemi ki te tinana, ā, he pai mō ngā mahi hauora i te wā poto. Ka ātete ki ngā kaihoroi whakakoi, ka ngāwari te horoi me te horoi. He maha ngā wā ka whakamahia te papanga polypropylene i roto i ngā kopare me ngā kākahu whakakorekore nā te mea he haumaru, he māmā, he iti hoki te utu. Kei te ahu whakamua tonu ngā mahi hauora me te āwhina o tēnei rauemi.

Taonga Kaihoko

1. Ngā pouaka rokiroki kai: Mā ēnei ka noho hou tonu te kai, ā, he haumaru hoki mō te whakamahi i roto i te ngaruiti.

2. Taonga tākaro: He pakari ki te pupuri i ngā maturuturunga iho, engari he māmā hoki mō te tākaro ngāwari.

3. Taonga whare: Ka whakamahia ngā tūru me ngā tēpu o waho hei ārai i te huarere.

4. Ngā ipu para o te whare: He mārō, he taea te whakamahi anō, he ngāwari hoki te horoi, he pai mō te whakarōpū.

5. Ngā pounamu wai ka taea te whakamahi anō: He māmā, he ātete ki te pakaru, ā, kāore he haunga tauhou.

Ko te polypropylene, he polymer maha-whakamahinga, ka roa ake ngā tau o ēnei hua, ka haumaru ake, ka iti ake hoki ngā tau pakaru. Nā ōna tae kanapa me tōna āhua kanapa, ka taea e ngā kaihoahoa te waihanga hua e kanapa ana. Ko te āwangawanga nui haere o te tangata mō te haumaru me te aorangi kei te akiaki i ngā kaihanga ki te whiriwhiri i ngā kirihou polypropylene mō ngā hua pakari, whai hua-pūngao, me te hangarua.

Ngā Rauemi Polypropylene Matatau

Kua roa te ahunga whakamua o ngā rauemi polypropylene matatau i roto i te tekau tau kua pahure ake nei. He pakari ake, he ātete ki te pānga, he ngāwari ake hoki, ā, he maha ngā momo rauemi auaha pēnei i ngā tātari wai me ngā wāhanga waka, nā te whakamahinga o te polypropylene me te rangahau tonu. He tino pai te polypropylene nā te mea he pai te ranunga o te utu, te roa, me te ātete ki te wera me te matū, ā, he mea pai mō ngā momo tono polypropylene.

Ngā Whakakotahitanga

Ngā mea whakakotahi polypropylene whakakotahihia te polypropylene ki ngā muka, ngā whakakī rānei, ka kaha ake, ka roa ake te kirihou turanga. He tino pakari te polypropylene noa i a ia anō, engari ka nui ake te mamae o ngā mea whakahiato. Mā te whakauru i ngā tāpiringa pēnei i te karāhe, te muka tūturu rānei, pēnei i te jute, ka taea te whakanui ake i te kaha kume tae atu ki te 10%.

E whakamahia ana i roto i te hanganga me ngā motuka, ka āwhina ēnei rauemi whakakotahi ki te hanga panera, parepare, tae atu ki ngā paipa nā te mea he ātete ki te wera me te pēhanga. Mō ngā kaihangarau, ka whakaratohia e ngā rauemi whakakotahi he huarahi hei hanga i ngā wāhanga mama ake, roa ake te mau. Ka āwhina i te whakatairanga i te hoahoa, ka taea ai e tātou te hanga i ngā mea pakari, māmā hoki.

Ngā Māka Kua Whakakīia

Ko ngā momo whakakī he polypropylene me ngā whakakī pēnei i te talc, te calcium carbonate, te polyvinyl alcohol rānei. Ka taea e ēnei whakakī te whakamārō, te whakakaha, te ātete wera rānei i ngā kirihou tae atu ki te 220 °C. Ko te whiriwhiri i te whakakī tika e whakawhirinaki ana ki tāu e hiahia ana kia mahia e te hua, i ētahi wā ka hiahia koe kia piko, i ētahi wā ka hiahia koe kia noho mārō.

E whakamahia ana ēnei e ngā ahumahi mō ngā whare taputapu, ngā wāhanga pākahiko, tae atu ki te tātari hau me te wai. Nō reira, ka taea te whakawhiti i te whakakī mō ia whakamahinga. Hei tauira, ka whakarei ake ngā whakakī zeolite i te tātari mō te hau parakore, te wai rānei, ā, ka taea e te polycarbonate te whakanui ake i te ātete pānga.

Te Aronga-rua-axial

Ka hangaia te polypropylene whakahāngai rua (BOPP) mā te totoro i te kiriata polypropylene i ngā taha e rua o te mīhini me ngā taha whakarara. Mā tēnei tikanga ka puta he āhua hou, he āhua koi hoki ki te kiriata, ā, ka tino whakanui ake i tōna kaha. Ko te takai keke BOPP, ngā tapanga me te rīpene nā te mea ehara i te mea ka mau tonu, engari ka ātaahua hoki ki runga i te whata.

He mārama, he kaha hoki hei hiri i te hou me te pupuri i te koi o ngā tapanga. Hei tāpiri, ka āwhina te BOPP ki te whakaiti i ngā para, nā te mea he angiangi ake, he kaha ake ngā kiriata, ā, he iti ake te kirihou e whakamahia ana mō ia hua.

Kaiwhakaari Kiriata

Ka hangaia te kiriata polypropylene whakarewa mā te whakarewa – te miro i te kirihou rewa ki runga i te roera whakamatao. Mā tēnei ka maeneene te kiriata, ā, ka ngāwari te whakarerekē i tōna matotoru.

He ngāwari ngā kiriata whakarewa, nō reira ka takai pai ki te kai, ki ngā hua rānei. He maha ngā whakamahinga mō ngā takai hanawiti, ngā ringaringa putiputi, me ngā kiriata tiaki hiko. Nā te mea ka taea te hanga i te kiriata kia angiangi engari kia kaha, ka āwhina i ngā kamupene ki te penapena rauemi me te whakaatu i ngā mea kei roto i te kete.

Te Tirohanga a te Kairangahau Rauemi

E kite ana ngā kaipūtaiao rauemi i te polypropylene hei tino huringa nui i roto i te umanga kirihou. Nā te whakakotahitanga o te kaha, te utu whaitake, me te kaha ki te hanga i ōna āhuatanga, ka tū ia ki mua i ngā auahatanga polymer o nāianei. He mea nui, ka whakamahia e te polypropylene tōna tioata teitei hei whakarato i ngā āhuatanga miihini me te wera kaha. Ko ngā āhua tioata—α, β, me te γ—ka āwhina ki te whakarerekē i tōna kiato me te ira rewa, kia ngāwari ai te whakarite mō ngā tono maha.

Te Mahi vs. Ētahi atu Pūmua

He tino pai te ātete o te polypropylene ki te wera, ā, he ātete hoki ki ngā matū. Ka taea e tōna kaha kume me te piko te whakapai ake mā te 30.54% me te 48%, ia, mā te whakauru i ngā tāpiringa e tika ana. Ka tū pakari te PP i ngā wāhi e piko ai, e whati ai rānei ētahi atu kirihou, inā koa i ngā wāhi wera, uaua rānei.

He tino pai te PP i ngā mahi katoa mai i ngā wāhanga motuka ki ngā ipu kai me ngā taputapu hauora. Nā tōna teitei o te ira rewa me te ātete matū totoka, he mea pai mō ngā mahi kāore e taea e ētahi atu kirihou te mahi. Ko te whiriwhiri i te rauemi tika te tikanga ko ēnei whakamātautau mahi, he mea nui mō te haumaru me te utu.

Te Pūmanawa Whakaritenga

He māmā noa te hanga i te PP. Ka taea e ngā kaihanga te whakaranu i ngā mea pēnei i te polyethylene iti-kiato, te paura cellulose rānei hei whakapakari i tōna pakari, hei whakapakari rānei i ōna āhuatanga hiko. Mā tēnei ka taea e ngā kaihanga te arotau i te PP mō ngā momo mahi katoa, mai i ngā taputapu horoi wai pakari ki ngā papanga ngāwari.

Whakaarohia te PP hiko-miro, hei tauira. Ka puta he muka kaha, he mama, he ātete ki te wera—he tino pai mō ngā tātari, mō ngā kakahu hangarau rānei. Mā te whiriwhiri i te ranunga tika, ka taea e ngā kaihanga te whakatutuki i ngā ture uaua, ngā tono ahurei rānei.

Mā te whakaritenga ka noho whakamua a PP, ka taea ai e ia te urutau ki ngā hiahia hou me te wehewehe i a ia anō i roto i ngā mākete kua kikī.

Ngā Kaiurungi Auaha

Mā te whakaaro hou ka anga whakamua te PP. Nā te hiahia mō ngā kirihou matomato, kaha ake, me te whai hua ake, kāore e mutu te rangahau. Ko ngā au o te kaihoko—pērā i te hiahia ki ngā takai kai haumaru ake, ki ngā waka māmā ake rānei—ka hua ake he ranunga me ngā whakamahinga PP pai ake.

He mea nui ake te oranga tonutanga i ēnei rā i mua. Ka kitea e ngā kairangahau ngā huarahi hei hangarua i te PP, hei whakaiti i te whakamahinga hiko, hei whakaiti i te para. Mā ngā whakapainga o te hanga PP me ngā huarahi auaha ki te whakaranu i ētahi atu rauemi ka noho hou, ka whai hua hoki.

Te Ao o te Polypropylene

Kei te tino rerekē te āhua o te polypropylene, inā koa i roto i ana mahi polymer maha. He whānui te whakamahinga o tēnei polymer puta noa i ngā ahumahi mai i te takai ki te hikohiko, nā te mea e kiia ana ka eke te uara o tana mākete puta noa i te ao ki te USD 154.2 Piriona i te tau 2035. Mā te whakapai ake i te hangarua polypropylene me ngā momo hou, e tumanakohia ana ngā huringa nui i roto i ngā tau 10 e whai ake nei.

Te Rauemi Tauwhiro

Ko te pūtake o te hanga polypropylene inaianei ko te pūtake o te pūtake tauwhiro. Nā te ngaru hou o ngā kaupapa matomato kua akiaki i ngā kamupene ki te whakaaro anō ki ā rātou tikanga pūtake. Ko ētahi kei te neke ki ngā rauemi whāngai koiora, pērā i te whakamahi i ngā para ahuwhenua kaua ki te hinu. Ka whai wāhi tēnei ki te whakaiti i ngā tukunga me te whakamama i te pēhanga ki ngā rauemi pūmua.

He mea nui ngā kaupapa mō te tango me te tukatuka ma. Hei tauira, he iti ake te wai me te pūngao e pau ana i ngā tikanga hou i roto i te hanga, ā, he painga tēnei mō te rauropi. Kei te mahi tahi ētahi ki te whakawhitiwhiti hangarau auaha, i te mea e hono ana rātou ki te hiahia ki te whakaiti i te pānga ki te taiao.

Ka nui ake te wāhi o ngā rauemi whakahou i roto i te rapunga rauemi ā muri ake nei. Ehara i te mea ko te whakaiti i te kai hinu anake te take. Engari ko te kimi i ngā awa para ka taea te huri hei kirihou hou. Mā tēnei kaupapa matua ka noho tonu te polypropylene hei mea nui i roto i te ao e aro nui ana ki te oranga tonutanga.

Ka whakawhirinaki rātou ki te wikitoria o te mākete. I a ngā kaihoko e rapu ana i ngā huarahi kē atu e pai ake ana te taiao, ko ngā kaiwhakarato anake e keri hohonu ana ka noho hei kaiārahi.

Te Whakarei Anō i te Whakarei Anō

Kua tere ake te hangarau hangarua mō te PP. Ināianei, he maha atu ngā tipu ka taea te wehewehe me te kuru i ngā kirihou kua whakamahia hei pirepire hou. Mā te hangarua matū ka hurihia ngā mea tawhito hei wāhanga taketake, kia taea ai e koe te whiwhi mea tino pai.

Ko te whāinga matua he whakanui ake i te hangarua me te whakaiti i ngā whenua ururua. Mēnā 30% noa iho o te polypropylene ka whakahokia mai, ka heke te tukunga hau kati kōtuhi o te ao mā te 311,000 tāne metrika. He pānga nui tēnā.

He nui te wāhi o te tangata ki konei. Ina nui ake te hunga e wehewehe ana, e horoi ana hoki i ā rātou kirihou, ka māmā ake te mahi a ngā whare tukatuka anō. Mēnā he pai ngā pūnaha kohikohinga o ngā tāone, kua kitea kētia he maha ake ngā tāngata e hangarua ana.

Mā te hangarua pai ake ka hurihia te huringa ora katoa o te polypropylene, ka huri hei rauemi ōhanga porowhita tūturu.

Ngā Taupānga Atamai

Kei te uru te polypropylene ki te hangarau atamai. I roto i ngā taputapu hiko, e whakamahia ana mō ngā whare pakari, māmā, tae atu ki ngā papa hiko ngāwari. I roto i ngā kakahu atamai, ka whakaratohia he pakari me te whakahaere makuku ki ngā kākahu aroturuki hauora.

Ko te mea ngaro ko te whakakotahitanga o te pakari, te mama, me te ātete matū o te polypropylene. Mā ēnei āhuatanga ka puta he whai wāhitanga mō ngā tono hou i roto i te hangarau. Hei tauira, me tango ngā taputapu hauora - me haumaru, me taea hoki te whakahoromata.

I te kaha haere o te auahatanga, ka noho tonu te polypropylene hei kaupapa matua mō te waihanga i ngā hua atamai, pumau hoki.

Whakamutunga

Ka kitea te polypropylene i ngā wāhi katoa o te ao. Mai i ngā ipu kai ki ngā whakapaipai motuka, he maha ngā wā ka ngaro te aro engari he nui te mahi. Kei te haere tonu ngā taiwhanga ki te kimi huarahi hei whakapakari ake, hei whakamama ake hoki. Ko ētahi atu i roto i te pūtaiao e whakaaro ana ki ngā kaupapa nui, pērā i te whakapai ake i te hangarua, i ngā ranunga hou rānei hei whakaiti i te para. I kī mai tētahi o ōku hoa he roa te wā e mau ana tana peke tuara tawhito, nā te mea he kirihou pakari. Ka puta taua momo kōrero ki ngā wāhi katoa. Ka mau tātou i a ia, ka whakatika i ngā mea, ka kitea rānei i ngā wāhi tauhou. Ehara i te mea he rauemi noa iho te polypropylene. Ka hangaia e ia te āhua o te noho me te whakaaro o rātou. Kua kite koe i a ia i tō wā? Kaua e mahue - kimihia, ka kōrerotia tō kōrero.

Ngā Pātai Auau

He aha te polypropylene?

Ko te polypropylene, he pūmua maha ngā whakamahinga i hangaia mai i te whakapūmuatanga o te hau propylene, he mama, he kaha, he ātete hoki ki ngā matū.

He aha i whakamahia whānuitia ai te polypropylene?

He tino pai tonu te polypropylene nā tōna pakari, tōna utu whaitake, me tōna maha o ngā whakamahinga, inā koa i roto i ngā takai me ngā kakahu, ā, he mea nui ia mō ngā momo mahi, tae atu ki ngā wāhanga motuka.

He haumaru te polypropylene mō te pa ki te kai?

He pono, he pūhui maha ngā whakamahinga o te polypropylene e kitea whānuitia ana i roto i ngā ipu kai me ngā takai, nā te mea kāore e tauhohe ki te nuinga o ngā kai, ā, e kiia ana he haumaru i roto i te maha o ngā whenua.

Ka taea te hangarua i te polypropylene?

Āe, he mahi nui te hangarua o te polypropylene, nā te mea ka taea te hangarua anō te polypropylene, ā, kua tohua ki te waehere kapia '5', e āhei ai te huri hei taonga hou.

He aha te rerekētanga o te polypropylene i ētahi atu kirihou?

He maha ngā whakamahinga o te polypropylene, he polymer maha ngā whakamahinga, he ātete ki te wera me te ngāwari ake i te maha atu o ngā kirihou, ā, nā tōna ātete ki te makuku me ngā matū ka whānui ake te whakamahinga o te polypropylene.

He aha ētahi hua noa i hangaia mai i te polypropylene?

Ehara i te mea he kaha, he ngāwari anake tēnei polymer, te polypropylene, engari he whānuitia hoki te whakamahinga i roto i ngā taonga o ia rā pērā i ngā ipu ka taea te whakamahi anō, ngā kiriata takai, ngā wāhanga motuka, me ngā taputapu hauora.

He aha te heke mai o te polypropylene?

Ka whakarei ake te heke mai o te hangarua polypropylene, me te arotahi ki te whakaaro hou ki ngā rauemi pumau o te whakatipuranga e whai ake nei.