Ko te matū whakarewa rau e pā ana ki te kapia polyester kore-mākū hei tinana matua, he kaihoko tāpiri, he kaihoko tuku pokepokea ai, he whakakī, he kaihoko whakaiti-iti, he kaiwhakamātotoru, me ētahi atu. He matū whakarewa kua hipokina ki te kiriata polyethylene (PE). E whakamārama poto ana tēnei pepa i te hanganga me te whakamahinga whakarōpū o te SMC.
Te Hanganga o te Matū Whakairo Rau
Ko te SMC he mea tito mai i te kapia polyester kore-mākū, te kaihoko hono-whiti, te kaiwhakaoho, te whakakī, te whakamātotoru, te kaihoko tuku, te muka karāhe, me te aukati i te polymerization. I roto i ēnei, ko ngā wāhanga tuatahi e whā e whakarato ana i te anga rauemi mō ngā hua me te whakanui ake i te kaha. Ko ngā wāhanga whakamutunga e whā e pā ana ki ngā āhuatanga o te matotoru ake, te ātete ki te waikura, te whakamarumaru, me te pumau hanganga o te hua.
1. Ko te kapia polyester kore-mākū me ngā kaihoko honohono ngā mea matua o te SMC. Ko ngā kapia polyester kore-mākū he mea whakapūmau mai i ngā waikawa dicarboxylic kore-mākū (anhydrides rānei), ngā waikawa dicarboxylic kua mākū (anhydrides rānei), me ngā polyol. He āhuatanga miihini me te kaha ōna, ā, he ōrite te kaha o roto. Ko te kaihoko honohono ko te styrene te nuinga. I muri i te honohono o ngā mea e rua, ko rātou ngā rauemi matua mō te kirihou whakaora o te hua, e mahi ana i te mahi hononga, tautoko, taurite tuku, me te tiaki.
2. Mā te kaiwhakaoho ka whakapakeketia te kapia me te hononga whakawhiti, ka hangaia i te wāhanga whakapiri kapia. Ko tana mahi matua he hanga i te kapia me te hononga takirua i roto i te monomer hononga whakawhiti pērā i te styrene kia whakakotahi kia taea ai te whakapakeke me te hanga i te SMC i roto i te kōhao pokepokea ai.
3. Neke atu i te kotahi hautoru o te rauemi whakakikorua rau te nui o te whakakī, ā, ka taea te whakarite i te matotoru o te rauemi whakakikorua. Ko te tikanga me whai i ngā āhuatanga o te iti o te taumaha motuhake, te iti o te uara mimiti hinu, te iti o ngā pore, te ātete ki te waikura, me te iti o te utu. Ko ngā wāhanga whakakī e whakamahia whānuitia ana ko te CaCO3, Al(OH)3, me ētahi atu.
4. Mā ngā mea whakamātotoru ka nui te matotoru o te SMC, ā, kāore e piri. Ko te whakarite i ngā matū whakapūtanga pepa me ngā matū whakapūtanga papatipu me iti te matotoru o te kapia hei whakahaere i te whakakī o te muka karāhe me te whakakī e te kapia. Ā, ko te whakapūtanga kōpeketanga me nui ake te matotoru. Nō reira, me tāpiri he mea whakamātotoru i mua i te tukanga whakapūtanga hei huri i te matotoru iti o te whakakī muka karāhe hei matotoru teitei kāore e piri.
5. Ka ārai te kaihoko tuku i te hononga o te matū hanga pepa ki te mata o te pokepoke whakarewa. Ka taea e te kaihoko tuku te ārai i te taunekeneke o te kapia polyester kore-mākū ki te mata o te pokepoke whakarewa i te wā e tukatukahia ana te ranunga kapia. Ko te nuinga he waikawa ngako mekameka-roa, he tote rānei e tohuhia ana e te konutea stearate. Ki te nui rawa te whakamahinga ka whakaiti i te mahi a te hua. Ko te whakamahinga whānui e 1~3% o te hua katoa hei whakarite i te kounga o te hua.
6. Ka taea e ngā muka karāhe te whakarei ake i te ātete ki te waikura me ngā āhuatanga whakamarumaru o te SMC. Ko te tikanga, ka whiriwhiria e te rauemi whakakikorua pepa ngā whāriki muka karāhe tapatapahi hei rauemi whakakaha. Mā te whakamahinga nui rawa ka ngawari te hanga i te hua kia puhoi rawa, ā, ki te whakamahia he horopeta iti rawa, kāore e kitea he pānga whakakaha ki te hua. Ko te whakamahinga whānui he tata ki te 20%. Mā tēnei, ka taea e te hua te whakatutuki i ngā tukanga e rua o te whakakikoruatanga me te whakakikoruatanga kōpeketanga i te wā kotahi.
7. Ka whakanuia e te aukati te pumau o te SMC, ā, ka roa ake te wā rokiroki. Nā te mea ka puhoi te pirau o te styrene tīmatanga, ka puta te polymerization o te kapia, mā te tāpiri i te nui e tika ana o te scavenger radical free (polymerization inhibitor) ka taea te whakaroa i te tere o te pirau o te styrene me te roa ake o tōna wā rokiroki. Ko ngā aukati he benzoquinones me ngā pūhui phenolic polyvalent.
Te Whakamahinga o ngā Hua Matū Whakairo Rau
He pai ngā painga o te SMC mō te mahi hiko tino pai, te ātete kaha ki te waikura, te mama, te ngāwari me te ngāwari o te hoahoa hangarau, me ētahi atu. He rite tonu ōna āhuatanga hangarau ki ētahi rauemi whakarewa. Nō reira, e whakamahia whānuitia ana i roto i ngā mara e waru pērā i te umanga motuka, ngā waka tereina, te hanga, ngā taputapu hiko, me ngā whakawhitiwhiti kōrero (Ripanga 1).
I roto i ēnei, i te tīmatanga, i whakamahia nuitia hei papa whakamahana i roto i ngā mara o te hanga, ngā taputapu hiko, me ngā whakawhitiwhiti kōrero, ā, kua tino pakari te hangarau. I muri mai ka whakamahia i roto i te umanga motuka hei whakakapi i tētahi wāhanga o ngā rauemi maitai me te koranu konumohe o te tinana hei whakaiti i te taumaha o te motuka.
I raro i te papamuri o te penapena pūngao me te whakaiti i ngā tukunga me te whanaketanga o ngā waka pūngao hou, kei te whanake tonu te hangarau o ngā hua motuka ki te māmā me te kounga teitei. Tae noa ki tēnei wā, ka kitea te whakamahinga o ngā rauemi SMC i ngā wāhi katoa o te oranga o ia rā. E whakaatahia ana tēnei i roto i ngā whakawhitiwhiti kōrero ahokore, ngā whare hiko ātete-pahū, ngā rauemi whakamarumaru whenua, ngā wharepaku, me ngā whakaurunga tereina tereina.
Ripanga 1 E waru ngā tono matua me ngā mara wehewehe o ngā rauemi SMC
| NO | Mara | Wehewehenga |
| 1 | Ahumahi motuka | Ngā wāhanga whakatārewatanga, ngā papaaho whakahaere; ngā wāhanga tinana me ngā wāhanga; ngā wāhanga o raro i te taupoki |
| 2 | Waka tereina | Ngā anga matapihi; Ngā nohoanga; Ngā panera me ngā tuanui o te waka; Ngā wāhanga wharepaku |
| 3 | Te rāngai hangahanga | Tāke wai; Ngā hua kaukau; Tāke paru; Hanganga whare; Ngā wāhanga o te rūma rokiroki |
| 4 | Ngā Taputapu Hiko me ngā Whakawhitiwhiti Kōrero | Ngā āputa hiko; ngā wāhanga hiko me ngā wāhanga (ngā taputapu whakamahana) |
| 5 | Wharepaku | Totohu; Taputapu kaukau; Kaukau whānui; Ngā wāhanga hauora |
| 6 | Rauemi whenua | Papa ārai-paheke, papa ārai-pūmau |
| 7 | Whare hiko ātete-pahū | Ngā hua anga taputapu hiko ātete-pahū |
| 8 | Whakawhitiwhiti kōrero ahokore | Pūihi whakaata FRP, me ētahi atu |
Whakarāpopototia
Ko te kapia polyester kore-mākū, te kaiāwhina hono, te kaiwhakaoho, me te whakakī i roto i te matū whakakikorua rau e whakarato ana i te anga rauemi mō te hua, ā, e whakanui ana i te kaha hanganga. Ko te whakamātotoru, te kaiāwhina tuku, te muka karāhe, me te aukati polymerization ka tāpiri i te matotoru, te ātete ki te waikura, te whakamarumaru, me te pumau hanganga ki te hua. Kua whakamahia ēnei hua i roto i ngā mara matua e waru tae atu ki te umanga motuka me ngā waka tereina. I raro i te papamuri o nāianei o te tiaki pūngao, te tiaki taiao, me te iti o te kai pūngao, kua whakatairangahia e te umanga motuka ngā whakaritenga teitei ake mō ngā rauemi SMC nā te mea he mama. Koinei te kaha matua mō te whanaketanga o te hangarau SMC.
Whakamahia temīhini pēhi waipēhi hiatoki te pēhi i ngā hua matū whakarewa pepa. He tohunga a Zhengxiwheketere pēhi waipēhi i Haina, e whakarato ana i ngā mīhini perehi kounga teitei. Whakapā mai ki a mātou kia whiwhi ai i ētahi atu kōrero.
Wā tuku: Mei-17-2023
