Ka taea e Hydroxypropyl methylcellulose HPMC te whakapai ake i te pupuri wai o te kumete.Ko te inenga iti o te HPMC hydroxypropyl methylcellulose ka tino whakapai ake i te reiti pupuri wai o te kumete.Ina he 0.02% te horopeta, ka piki te reiti pupuri wai mai i te 83 % ka piki ki te 88%;ka 0.2% te inenga, ka eke te reiti pupuri wai ki te 97%.I te wa ano, ko te iti o te ihirangi o te HPMC ka tino whakaitihia te tohu o te delamination me te tere o te toto o te moata, e whakaatu ana ka kore e taea e HPMC te whakapai ake i te pupuri i te wai o te moata, engari ka tino whakapai ake i te whakakotahitanga o te moata, he mea nui mo te riterite o te kounga hanga moata.tino pai.
Heoi ano, he ahua kino to te HPMC hydroxypropyl methylcellulose ki runga i te kaha flexible me te kaha compressive o te kumete.Na te pikinga o te ihirangi HPMC hydroxypropyl methylcellulose, ka heke haere te kaha o te whakakao me te kaha compressive o te kumete.I te wa ano, ka taea e te hydroxypropyl methylcellulose HPMC te whakanui ake i te kaha o te kumete.I te wa kei roto i te 0.1% te ihirangi o te hydroxypropyl methylcellulose HPMC, ka piki tonu te kaha o te kumete ki te piki haere o te ihirangi HPMC, i te wa ka nui ake te ihirangi i te 0.1%, ka kore e tino piki ake te kaha tensile.Ka taea hoki e Hydroxypropyl methylcellulose HPMC te whakanui ake i te kaha here kutikuti kutikuti o te kumete.Ko te taapiri i te 0.2% HPMC ka taea te kaha o te herenga moata mai i te 0.72MPa ki te 1.16MPa.
Kua whakaatuhia e nga rangahau ka taea e te hydroxypropyl methylcellulose HPMC te whakaroa i te wa whakamahana o te kumete me te tino whakaiti i te paheketanga o te kumete, he mea tino pai mo te hanga whakapiri tira.Ki te kore e taapirihia te HPMC, ka heke te kaha here o te kumete mo te 20 meneti mai i te 0.72MPa ki te 0.54MPa.Whai muri i te taapiri i te 0.05% me te 0.1% HPMC, ko te kaha here o te kumete i whakamatao mo te 20 meneti ko te 0.8MPa me te 0.84MPa.Ki te kore e taapirihia te HPMC, he 5.5mm te paheketanga o te moata.Na te pikinga o te ihirangi HPMC, ka heke haere tonu te pahekeheke.Ina 0.2% te ihirangi, ka heke te paheketanga o te kumete ki te 2.1mm, ka tino heke te pahekeheke.Na etahi atu hanga angiangi-papa e whakarato tautoko hangarau.
I tua atu, ka taea e te hydroxypropyl methylcellulose HPMC te whakakore i te hanganga o nga pakaru kirihou i roto i te kumete me te tino whakaiti i nga pakaru kirihou.Ina iti te ihirangi o te HPMC, ka tino heke te tohu kapiti me te pikinga o te ihirangi o te HPMC.Ina he 0.1% me te 0.2% te ihirangi o te HPMC, ko te tohu kapiti o te kumete he 63% me te 50%, ia.I muri i te nui o te ihirangi o te HPMC ki te 0.2%, Ko nga kapiti kirihou o te moata kua kore e tino heke.
Te wa tuku: Apr-11-2023