He aha te matotoru tika o te hydroxypropyl methylcellulose (HPMC)?
Ko te utu mō te paura putty he 100,000 yuan te nuinga, ā, he nui ake ngā whakaritenga mō te moata, ā, e 150,000 yuan te utu e hiahiatia ana mō te whakamahinga ngāwari. Heoi anō, ko te mahi nui rawa atu o te HPMC ko te pupuri i te wai, ā, muri iho ko te whakamātotoru. I roto i te paura putty, mena he pai te pupuri i te wai, ā, he iti te matotoru (70,000-80,000), ka taea hoki. Ko te tikanga, ko te teitei ake o te matotoru, ko te pai ake o te pupuri wai whanaunga. Ina neke atu te matotoru i te 100,000, ka pā te matotoru ki te pupuri wai. Kāore e nui rawa atu.
He aha ngā tikanga whakarewa o te hydroxypropyl methylcellulose (HPMC)?
(1) Te Mā: Ahakoa kāore e taea e Baidu te whakatau mēnā he ngāwari te whakamahi i te HPMC, ā, mēnā ka tāpirihia he kaimā i te wā o te tukanga whakaputa, ka pāngia tōna kounga. Heoi, he pai te mā o te nuinga o ngā hua pai.
(2) Te Maeneene: Ko te maeneene o te HPMC he 80 mata me te 100 mata te tikanga, ā, he iti iho te 120 mata. Ko te nuinga o ngā HPMC e hangaia ana i Hebei he 80 mata. Ko te maeneene o te maeneene, i te nuinga o te wā, ko te pai ake.
(3) Te whakawhiti mārama: tāpirihia te hydroxypropyl methylcellulose (HPMC) ki roto i te wai hei hanga i tētahi colloid mārama, ka tirohia tōna whakawhiti mārama. Ko te nui ake o te whakawhiti mārama, ko te pai ake, e tohu ana he iti ake ngā mea kore e rewa i roto. He pai te urunga o ngā tauhohenga poutū, ā, he kino ake te urunga o ngā tauhohenga whakapae, engari ehara i te mea he pai ake te kounga o ngā tauhohenga poutū i te kounga o ngā tauhohenga whakapae, ā, he maha ngā āhuatanga e whakatau ana i te kounga o te hua. (4) Te taumaha motuhake: Ko te nui ake o te taumaha motuhake, ko te taumaha ake, ko te pai ake. He nui te motuhaketanga, ko te tikanga nā te mea he nui te ihirangi o te rōpū hydroxypropyl i roto, ā, he nui te ihirangi o te rōpū hydroxypropyl, he pai ake te pupuri wai.
He aha te mahi matua o te whakamahinga o te HPMC ki te paura putty, ā, ka puta tēnei i te taha matū?
I roto i te paura putty, e toru ngā mahi a te HPMC, arā, te whakamātotoru, te pupuri wai, me te hanganga.
Te Whakamātotoru: Ka taea te whakamātotoru i te cellulose hei whakairi me te pupuri i te wai kia ōrite ki runga, ki raro, ā, kia kore ai e totohu.
Te pupuri wai: kia āta maroke te paura putty, ā, āwhina i te konupūmā pungarehu kia tauhohe i raro i te mahi a te wai.
Hanganga: He pānga whakahinuhinu tō te cellulose, ka pai ai te hanganga o te paura putty. Kāore te HPMC e whai wāhi ki ngā tauhohenga matū, engari he mahi āwhina noa iho. He tauhohenga matū te tāpiri wai ki te paura putty me te whakatakoto ki te pakitara, nā te mea ka puta he matū hou. Ki te tangohia e koe te paura putty i te pakitara mai i te pakitara, ka hurihia hei paura, ka whakamahia anō, kāore e mahi nā te mea kua puta he matū hou (konupūmā kāponāte).
Ko ngā wāhanga matua o te paura konupūmā pungarehu ko: he ranunga o te Ca(OH)2, CaO me te iti o te CaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O konupūmā pungarehu i roto i te wai me te hau. I raro i te mahi a te CO2, ka puta te konupūmā kāponāte, ko te HPMC ia ka pupuri i te wai anake, ka āwhina i te tauhohenga pai ake o te konupūmā pungarehu, ā, kāore e whai wāhi ki tētahi tauhohenga.
Ko te whanaungatanga i waenga i te matotoru me te pāmahana o te HPMC, he aha ngā mea hei aro atu ki roto i te mahi?
He rerekē te matotoru o te HPMC ki te pāmahana, arā, ka piki ake te matotoru i te hekenga o te pāmahana. Ko te matotoru o tētahi hua e kōrerohia ana e tātou e pā ana ki te hua whakamātautau o tōna wairewa 2% i te pāmahana o te 20 nekehanga Celsius.
I roto i ngā mahi whaihua, me mōhio kei ngā wāhi he nui ngā rerekētanga pāmahana i waenga i te raumati me te takurua, me whakamahi i te matotoru iti i te takurua, he pai ake mō te hanga. Ki te kore, ina iti te pāmahana, ka piki ake te matotoru o te cellulose, ā, ka taumaha te pa o te ringa i te wā e waruhia ana.
Matotoru waenga: 75000-100000 e whakamahia ana mō te putty
Take: he pai te pupuri wai
Te matotoru teitei: Ko te 150000-200000 te nuinga e whakamahia ana mō te moata whakamahana matūriki polystyrene paura rapa me te moata whakamahana moroiti whakakoi.
Take: he matotoru rawa, he uaua te taka o te moata, ka piko, ka pai ake te hanganga.
Wā tuku: Mei-18-2023