He mea nui te putty hei hanga whare mō te whakataurite i te pakitara, ā, ka pā tika tōna mahi ki te piri o te peita me te kounga o te hanganga. I roto i te hanganga o te putty, he mea nui te mahi a ngā tāpiringa cellulose ether.Te Waikawa Waikawa Metilururo (HPMC), hei tētahi o ngā etera cellulose e whakamahia whānuitia ana, ka taea te whakapai ake i te matotoru, te mahi hanga me te pumau rokiroki o te putty.
1. Ngā āhuatanga taketake o te Hydroxypropyl Methylcellulose
He pūmua wairewa-kore-katote te HPMC, he pai ōna āhuatanga matotoru, pupuri wai, marara, whakaemulsification me te hanga kiriata. Ka pāngia tōna matotoru e te nui o te whakakapinga, te nui o te polymerization me ngā āhuatanga wairewa. Ko te otinga wai o AnxinCel®HPMC e whakaatu ana i ngā āhuatanga o te wai rūpahu, arā, ina piki te tere kutikuti, ka heke te matotoru o te otinga, he mea nui tēnei ki te hanganga o te putty.
2. Te pānga o te HPMC ki te matotoru o te putty
2.1 Pānga whakamātotoru
Ka hangaia e te HPMC he otinga matotoru teitei i muri i te whakarewatanga ki te wai. Ko tōna pānga matotoru ka kitea nuitia i roto i ngā āhuatanga e whai ake nei:
Te whakapai ake i te thixotropy o te putty: Ka taea e te HPMC te pupuri i te putty ki te matotoru teitei ina tū tonu hei karo i te whakaheke, me te whakaiti i te matotoru i te wa e waruhia ana, me te whakapai ake i te mahi hanga.
Te whakapai ake i te mahi a te putty: Mā te nui o te HPMC e tika ana ka pai ake te whakahinuhinu o te putty, ka maeneene ake te waru me te whakaiti i te ātete hanga.
Te pānga ki te kaha whakamutunga o te putty: Mā te pānga matotoru o te HPMC ka marara ōrite te whakakī me te rauemi sima i roto i te putty, ka karo i te wehewehe me te whakapai ake i te mahi whakapakeke i muri i te hanganga.
2.2 Pānga ki te tukanga whakamakuku
He tino pai ngā āhuatanga pupuri wai o te HPMC, ka taea te whakaiti i te mimiti tere o te wai i roto i te paparanga putty, ā, ka roa ake te wā whakamakuku o te putty sima, ka whakapai ake hoki i te kaha me te ātete ki te pakaru o te putty. Heoi, ki te nui rawa te matotoru o te HPMC ka pā ki te urunga hau me te tere maroke o te putty, ka heke te pai o te hanga. Nō reira, me nui te HPMC hei whakarite i te ngāwari o te mahi, me te karo hoki i ngā pānga kino ki te wā whakapakeke.
2.3 Te whanaungatanga i waenga i te taumaha ngota o te HPMC me te matotoru o te putty
Ko te teitei ake o te taumaha ngota o te HPMC, ko te nui ake o te matotoru o tōna wairewa. I roto i te putty, ko te whakamahinga o te HPMC matotoru-teitei (pērā i te momo he matotoru neke atu i te 100,000 mPa·s) ka taea te whakapai ake i te pupuri wai me ngā āhuatanga ārai-totoka o te putty, engari ka taea hoki e ia te heke iho o te kaha mahi. Nō reira, i raro i ngā whakaritenga hanga rerekē, me whiriwhiri te HPMC me te matotoru e tika ana hei whakataurite i te pupuri wai, te kaha mahi me te mahi whakamutunga.
2.4 Te pānga o te horopeta HPMC ki te matotoru o te putty
He pānga nui te nui o te AnxinCel®HPMC i tāpirihia ki te matotoru o te putty, ā, ko te horopeta kei waenga i te 0.1% me te 0.5%. Ina iti te horopeta o te HPMC, ka iti te pānga matotoru ki te putty, ā, kāore pea e taea te whakapai ake i te mahi me te pupuri wai. Ina nui rawa te horopeta, ka nui rawa te matotoru o te putty, ka piki ake te ātete hanga, ā, ka pā pea ki te tere maroke o te putty. Nō reira, me whiriwhiri te nui o te HPMC e tika ana kia rite ki te tauira o te putty me te taiao hanga.
He mahi nui tā te Hydroxypropyl methylcellulose ki te whakamātotoru, ki te pupuri wai, me te whakapai ake i te mahi i roto i te putty. Ko te taumaha ngota, te nui o te whakakapinga me te nui o te tāpiri oHPMCka pā ki te matotoru o te putty. Ka taea e te nui o te HPMC te whakapai ake i te mahi me te ātete wai o te putty, engari ko te tāpiri nui ka whakapiki ake i te uaua o te hanganga. Nō reira, i te whakamahinga tuturu o te putty, me whai whakaaro whānui ki ngā āhuatanga matotoru me ngā whakaritenga hanganga o te HPMC, ā, me whakatikatika tika te tauira kia whiwhi ai i te mahi hanganga pai rawa atu me te kounga whakamutunga.
Te wā tuku: 10-Pepuere-2025