I taua wā anō, ka taea e ia te whakapai ake i te kaha pēhi me te kaha kutikuti oHPMC hydroxypropyl methyl cellulose, whakapai ake i te pānga tuturu o te hanganga hangarau, whakapai ake i te whai huatanga. Ka taea e te HPMC hydroxypropyl methyl cellulose te whakapai ake i te kaha piri o te paura putty, te whakaiti i te āhua o te whakatārewatanga, kia angitu ai te hanganga hangarau. Ka taea e te Hydroxypropyl methyl cellulose te whakanui ake i te wā oma me te whakatau i te raruraru o te kaha kōpeketanga taketake me te kore e ranea i roto i te tukanga hanganga hangarau.
Mā te kaha maukati wai o te moata hangahanga hangarau me te moata putty ka taea te whakaranu i te raima kia rawaka, ā, ka taea hoki te whakapai ake i te kaha piri o te moata. I taua wā anō, ka taea te whakapai ake i te kaha piri me te kaha kutikuti o te hydroxypropyl methyl cellulose kia pai ake ai te pānga tuturu o te hangahanga hangarau me te whakapai ake i te whai huatanga.
Ātete ki te makuku e tama,HPMCKo te pānga o te hydroxypropyl methyl cellulose i roto i te paura putty, hei ārai i te maroke me te whakamaroke i puta mai i te tere rawa o te rere o te wai. Ka taea e te Hydroxypropyl methyl cellulose te whakapai ake i te kaha piri o te paura putty, te whakaiti i te āhua o te whakatārewatanga, me te whakarite i te angitu o te hanganga hangarau.
Ko te kī HPMC hydroxypropyl methyl cellulose me te wai maukati, te whakamātotoru, te mākū me ētahi atu pānga, ka whai pānga tautuhinga tuatahi te whakamātotoru, te mākū me ētahi atu pānga. Ka taea e te Hydroxypropyl methyl cellulose te whakanui ake i te wā rere me te whakatau i te raruraru o te kaha kōpeketanga taketake me te kore e ranea i roto i te tukanga hangahanga hangarau.
He mahi nui tā te HPMC hydroxypropyl methyl cellulose i roto i te moata whakamātao pakitara ki te pānga piri, ā, ka whakarei ake i te kaha pēhi o ngā rauemi mata. He tino ngāwari te hipoki i te moata, ka whakapai ake i te whai huatanga, me te mahi taketake o te aukati-rere me te pānga mahi. Mā te mahi raka-wai o te hydroxypropyl methyl cellulose ka taea te whakanui ake i te wā rere o te moata, te whakapai ake i te ātete ki te whakakotahitanga me te punga, te whakapai ake i te kounga o te mata, me te whakapai ake i te kaha pēhi o te hononga.
Mā te here tāera wairewa-rahi ka kore e hiahiatia he tāera papa me ngā turanga kua rumakina kētia, kua mākū rānei, ka whakapai ake i te kaha o te piri. He roa te wā hanga hangarau paru, he tino tika, he ōrite, he watea te hanga hangarau, ā, he pai te ātete ki te makuku.
I roto i te mara o ngā paninga hanga rapa tūturu, ka taea te whakamahi i te hydroxypropyl methyl cellulose hei kaihanga kiriata, hei whakakīkī, hei tango i ngā matū me te whakamātotoru, kia pai ake ai te ātete ki te kakahu, te rere me te piri o te kiriata kirihou. He pai te tautuhi i te pH e whakamahia ana hei whakapai ake i te taumahatanga o te mata, ā, he pai te ranunga me te otinga rauropi, ā, he maeneene hoki.
Te whanaketanga ōhanga He kaha pai ngā paninga whare, he pai te uruhanga wai, ā, he pai te ātete ki te koroheketanga. He mea tino nui te kaupapa hoahoa tauira paninga kōhatu tūturu. Ko te tana o te peita kounga teitei he mea tito mai i te 300KG o te emulsion styrene-acrylic parakore, te 650KG o te wai toka tūturu parakore me ētahi atu wāhanga. He maha ngā hinu whakamakuku e tohuhia ana e ngā peita tūturu kounga teitei. Ina 50% te hanganga wai o te emulsion, ko te rōrahi o te 300KG o te emulsion whakamakuku i muri i te whakamaroke he 150 rita, ā, ko te rōrahi o te 650KG onepū taumaha he 228 rita. Arā, i tēnei take, ko te peita kōhatu tūturu (te uara kukū o te whakapiri tae) he 60%. Nā te rahi o te matūriki me te āhua koretake o te onepū pai, i raro i te kaupapa o tētahi tātaritanga rahi matūriki, ko te paninga pakitara waho maroke pea kei te taha o te uara kukū CPVC).
Mō te viscosifier, mēnā ka tīpakohia te matotoru cellulose tika, ka taea e te paninga pakitara o waho te whakaputa i tētahi paparanga peita taipitopito, kukū ake, kia tutuki ai ngā whakaritenga e toru o te paninga pakitara o waho. E toru ngā ture mō ngā paninga whare. Inaa, ko te tono i te nui o te qi kohatu ōhanga me te mahi, he tana o te whakarewa tunu huna 100-160kg, 750kg onepu pereti tae, 20kg (tae atu ki ngā tāpiri paninga, ngā patu pepeke, ngā harore, ngā piripiri, me ētahi atu), te toenga o te wai me ngā hua tiaki kiri. Ko tēnei momo peita kohatu PVC pono i te nuinga o te wā kei waenganui i te 75%? I waenganui i te 85%, i roto i te tukanga mahi ka maroke, he uaua ki te whakatū i tētahi paparanga peita taipitopito me te piri. Nō reira, me pēhea te whakamahi katoa i te pānga tunu huna whakamākūkū iti ake, kia ōrite ai te paninga.
Ko ngā āhuatanga o ngā paninga whare kōhatu tūturu ko te iti o te matotoru (te taumaha ngota ngota teitei). Nā te pikinga o te utu o ngā taonga cellulose, ka rerekē te matotoru o te cellulose kua whakamahia mai i te 30000 ki te 50000,80000,100000, ahakoa ka piki ake mā te 200000, ko te whāinga kia whakaitihia te nui katoa o te cellulose mai i te methyl cellulose (HEC) ki te hydroxyl acrylic cellulose (HPMC); Mā te paninga o te methyl methyl cellulose HPMC ka tino whakaiti i te ātete wai o te peita whare kōhatu tūturu, ā, ka whakapai ake i te matotoru o te cellulose (te papatipu ngota ngota whanaunga) koia te whakatau pai o te mahi peita whare kōhatu tūturu? Ko te whakautu, ka kino haere te mahi o te paparanga peita kōhatu!
Ka taea te wehewehe i te HPMC ki ngā momo tere me ngā momo wairewa wera. Ina tere te marara me te mimiti o te wai matao i roto i te wai, ka taea te wehewehe i te HPMC ki ngā momo tere me ngā momo wairewa wera. I tēnei wā, kāore he matotoru o te wai, nā te mea ka marara noa te HPMC i roto i te wai, ā, kāore he āhua rewa tūturu. I muri i te 2 meneti pea, ka puhoi te horapa o te matotoru o te wai, ka puta he otinga koroka matotoru mārama. Ina kohia ngā taonga whakarewa waro wera ki roto i te wai matao, ka tere te marara i roto i te wai wera ka memeha i roto i te wai wera. Ina whakaitihia te pāmahana taiao ki tētahi taumata wera, ka āta puta te matotoru kia puta rā anō he otinga koroka matotoru tino mārama. Ko te momo whakarewa waro wera ka whakamahia anake i roto i te paura putty pakitara o roto me te moata. I roto i te superglue wai me ngā paninga, he taupori kāore e taea te whakamahi. Ko te momo wairewa tere he kāwai tono whānui. Ka taea te whakamahi hei paura putty pakitara o roto me te moata, me tōna superglue wai me te paninga. Kāore he tapu.
Te rewa o te wai wera: nā te mea kāore te HPMC e rewa i roto i te wai wera, ka taea te horapa ōrite te HPMC i roto i te hononga taketake i roto i te wai wera, kātahi ka rewa tere i te wā e whakamatao ana. Ko ngā tikanga matarohia e rua e whai ake nei:
1) Ringihia te wai wera e hiahiatia ana ki roto i tētahi oko, ka whakamahana kia 70°C pea. Āta whakaranua, tāpirihia mārire te hydroxypropyl methyl cellulose, āta whakamahanatia te HPMC ki runga i te awa, kātahi ka āta whakaputa i te paru hei whakamatao i te paru i roto i te ranunga.
2) Tāpirihia te 1/3, te 2/3 rānei o te wai ki roto i te ipu, whakamahanahia ki te 70℃, whakamahanahia ki te 70℃ hei whakamarara i te HPMC, ā, whakaritea te paru wai wera; Kātahi ka tāpirihia te wai matao e toe ana ki te paru wera, ā, ka konatunatua ki te ranunga i muri i te whakamatao.
Tikanga whakaranu paura: Whakaranua te paura HPMC mā te whakamahi i te mīhini whakaranu me te maha atu o ngā matū paura, kātahi ka tāpirihia he wai kia memeha. I tēnei wā, ka taea te memeha te HPMC mēnā kāore he puranga, nā te mea he iti noa te paura HPMC i ia kokonga iti, ka memeha tonu te wai i te wā e memeha ana - ko tēnei momo huarahi he whakamahi noa i te paura putty pakitara o roto me ngā kaihanga moata. [HPMC] hei kaihoko whakapiri me te kaihoko whakamakuku i roto i te moata putty o te pakitara o roto.
He roimata hangai hydroxypropyl methyl cellulose (HMPC) tēnei, he rite tonu ki te matū viscoelastic (te nuinga ko te mucin) i roto i ngā roimata. Ka piri ki te mata o te kanohi mā te mimiti o te polymer, ā, ka whai i te mahi a te mucin conjunctival, kia pai ake ai te āhua o te mucin i roto i te kanohi, kia nui ake ai hoki te pānga mākū o te cornea.
I roto i te paura putty, e toru ngā mahi hei whakamātotoru, hei pupuri wai, hei hanga hoki. Hei whakamātotoru, ka taea te whakamātotoru i te cellulose kia waiho hei whakatārewatanga, kia noho rite tonu te otinga ki runga, ki raro hoki, hei ārai i te rere o te wai. Te pupuri wai: kia āta maroke te paura putty, ā, hei āwhina i te konupūmā hina i roto i te mahi a te wai. Hanganga: mā te whakahinuhinu cellulose, ka taea te hanga i te paura putty he pai te hanganga. Kāore te HPMC e whai wāhi ki ngā tauhohenga matū, engari he mahi tautoko anake.
He ngāwari ake te whiriwhiri tae o te peita kakano, ā, ka taea te whakatutuki i te pānga hoahoa toi tino pai, ā, he pai ake te peita kōhatu tūturu i te peita kakano, he rerekē te kaha o ia peita. I roto i te tukanga whakaputa, kia mau tonu ai te tae taketake, ko te tikanga i te tukanga whakamutunga, me whakamahi he wanihi (hinu māmā) hei rehu hei tiaki i tōna pānga toi, i tōna pānga kōhatu rānei.
He momo peita te peita rēki, he peita kakano, e whakamahia ana mō te whakapaipai pakitara. E whakarāpopoto ana te paetukutuku mana o te paru diatom tūturu i ētahi rerekētanga i waenga i te peita kakano me te rēki, te tikanga wehewehe o te peita kakano me te rēki, e whai ake nei hei kite i te rerekētanga i waenga i te rēki me te peita kakano.
He nui te utu o te rapa kounga teitei, hei penapena utu mā ngā kaihanga, me tāpiri noa he iti o te ōwehenga o te emulsion. I muri i te hanga i te kiriata maroke o te peita kōhatu, ka wetekina te matotoru, ka nui ake te tere o te kiriata peita, ka heke te kaha pēhi. Ina ua te rangi mō te wā roa, ka uru te ua ki roto i te kiriata peita, ka tino mā te peita kōhatu.
Ko ētahi kaihanga i roto i te hanga o te peita, he maha ngā wā ka tāpirihia e rātou te nui o te carboxymethyl cellulose me te hydroxyethyl cellulose hei whakamātotoru, he wairewa-wai, he hydrophilic rānei ēnei matū, ā, ka waiho te kiriata paninga i roto i te paparanga, ka tino whakaiti i te ātete wai o te paninga.
Wā tuku: Pipiri-09-2022