whakauru:
He whānuitia te whakamahinga o ngā cellulose ethers i roto i te umanga hangahanga nā te mea he pai rawa atu ō rātou āhuatanga pupuri wai, whakamātotoru me te here. Ka whakapai ake i te rere me te ngāwari o te tukatuka o ngā rauemi sima, ā, ka whakapai ake hoki i ngā āhuatanga miihini o te hua whakamutunga. He mea noa te whakamahi i ngā putty i roto i te umanga hangahanga hei whakakī i ngā kapiti, ngā kōhao me ētahi atu hapa i roto i ngā pakitara me ngā tuanui. Mā te whakamahinga o ngā cellulose ethers i roto i ngā paura putty ka taea te whakapai ake i te ngāwari o te mahi, te wā whakatakoto me te kounga whānui o te hua. Ka matapakihia e tēnei tuhinga te pānga o ngā momo matotoru o ngā cellulose ethers ki te paura putty.
Ngā momo etera cellulose:
He momo rerekē ngā momo cellulose ethers tae atu ki te methylcellulose (MC), te hydroxypropylmethylcellulose (HPMC), te ethylcellulose (EC) me te carboxymethylcellulose (CMC). He rongonui te HPMC i roto i te umanga hangahanga nā te mea he pai te pupuri wai, te matotoru me te piri. He rerekē ngā matotoru o te HPMC, mai i te iti ki te teitei.
Te pānga o te cellulose ether ki te paura putty:
Ka whakamahia te paura putty hei whakakī i ngā kapiti, ngā kōhao me ētahi atu hapa o ngā pakitara me ngā tuanui. Mā te whakamahinga o ngā cellulose ethers i roto i ngā paura putty ka taea te whakapai ake i te mahi me te wā whakatakoto o te hua. Ka taea hoki e te cellulose ether te whakapai ake i te mahi me te piri o te paura putty. Koinei te pānga o ngā momo matotoru o ngā cellulose ethers ki te paura putty:
1. HPMC matotoru iti:
Ka taea e te HPMC matotoru iti te whakapai ake i te rere me te ngāwari o te mahi o te paura putty. Ka whakapai ake hoki i te wā whakatakoto o te hua. He iti ake te pāmahana whakapūkara o te HPMC matotoru iti, ka ārai i te tere o te whakapakeketanga o te paura putty. Ka taea hoki e ia te whakapai ake i te piri me te hononga o te hua. He pai te HPMC matotoru iti mō te paura putty e hiahia ana kia pai te mahi me te maeneene.
2. HPMC matotoru waenga:
Ka taea e te HPMC matotoru-waenga te whakapai ake i ngā āhuatanga thixotropic o te paura putty. Ka taea hoki e ia te whakapai ake i te pupuri wai me te mahi piri o te hua. Ka taea e te HPMC matotoru-waenga te whakapai ake i ngā āhuatanga miihini o te hua, pērā i te kaha me te roa. He pai mō te paura putty e hiahia ana kia pai te pupuri wai me te piri.
3. HPMC matotoru teitei:
Ka taea e te HPMC matotoru teitei te whakapai ake i te matotoru me te mahi ārai-toto o te paura putty. Ka taea hoki e ia te whakapai ake i te pupuri wai me te mahi here o te hua. Ka taea e te HPMC matotoru teitei te whakapai ake i ngā āhuatanga miihini o te hua, pērā i te kaha me te roa. He pai mō te paura putty e hiahia ana ki te matotoru me te mahi ārai-toto.
hei whakamutunga:
He whānuitia te whakamahinga o ngā etera cellulose i roto i te umanga hangahanga nā te mea he pai rawa atu ō rātou āhuatanga pupuri wai, whakamātotoru me te here. Kua rongonui te HPMC hei etera cellulose i roto i te umanga hangahanga nā te mea he pai rawa atu ōna āhuatanga. He rerekē ngā matotorutanga o te HPMC, mai i te iti ki te teitei. Mā te whakamahinga o ngā etera cellulose me ngā matotorutanga rerekē ka taea te whakapai ake i te mahi, te wā whakatakoto, te mahi thixotropic, te pupuri wai, te mahi here me ngā āhuatanga miihini o te paura putty. Mā te whakamahinga o ngā etera cellulose ka taea te whakapai ake i te kounga me te mahi o ngā paura putty, kia pai ai mō ngā tono rerekē i roto i te umanga hangahanga.
Te wā tuku: Hōngongoi-20-2023