Methyl hydroxyethyl celluloseKa whakaritea mā te whakauru i ngā whakakapinga ethylene oxide (MS0.3~0.4) ki roto i te methyl cellulose, ā, he teitei ake te pāmahana o tōna gel i tērā o te methyl cellulose me te methyl hydroxypropyl cellulose. , he pai ake tōna mahi whānui i te methyl cellulose me te methyl hydroxypropyl cellulose.
Ko te methyl hydroxyethyl cellulose e whakamahia whānuitia ana hei whakamātotoru, hei whakaū me hei colloid tiaki i roto i ngā moata hoahoanga me ngā paninga wai.
Waho
Paura mā, paku kōwhai rānei e rere ana
Metoki (wt%)
22.0-30.0
Hydroxyethyl (wt%)
8.0-16.0
Te pāmahana o te kirikiri (℃)
60-90
Uara pH (1% wairewa)
5.0-8.5
Makuku (%)
≤6.0
Pungarehu (%)
≤5.0
Te pai o te āhua (te tere o te paahitanga o te 80 mata) (%)
≥99.0
Te matotoru (2% wairewa, 20℃, mPa.s)
400-200000
Ngā āhuatanga ā-tinana me ngā āhuatanga matū
1. Wairewatanga: ka wairewahia ki te wai me ētahi whakarewa waro, ko te kukū teitei rawa ka whakawhirinaki ki te matotoru anake, ka rerekē te wairewatanga me te matotoru, ka iti ake te matotoru, ka nui ake te wairewatanga.
2. Ātete tote: Ko te hua he cellulose ether kore-ionic, he pumau i roto i te wai, engari ko te tāpiri nui o te electrolyte ka puta te waikura me te maturuturu.
3. Te ngohe o te mata: Nā te mea he mahi ngohe o te mata te otinga wai, ka taea te whakamahi hei kaihoko tiaki colloid, hei emulsifier me hei dispersant.
4. Heri wera: Ina whakamahanatia te wairewa o te hua ki tētahi pāmahana, ka mākūkū, ka kirikiri, ka hanga he wairewa, engari ina whakamatao tonutia, ka hoki anō ki tōna āhua taketake.
5. Te Pūnaha Whakaora: He koretake te pūnaha whakaora, ā, he iti te kakara me te haunga. Nā te mea kāore e taea te whakanawe i te pūnaha, ā, he iti te kakara me te haunga, he whānuitia te whakamahinga i roto i te kai me te rongoā.
6. Ātete ki te harore: He pai tōna kaha ki te ārai i te harore, ā, he pai hoki tōna pumau i te wā e rokiroki ana mō te wā roa.
7. Te pumau o te PH: Kāore te waikawa, te kawakore rānei e pāngia e te matotoru o te wairewa o te hua, ā, he pumau te uara PH i waenga i te 3.0-11.0.
8. He iti te nui o te pungarehu: Nā te mea ehara i te ionic te hua, ka whakamahia pai mā te horoi ki te wai wera i te wā e whakarite ana, nō reira he tino iti te nui o te pungarehu.
9. Te pupuri āhua: Nā te mea he āhuatanga viscoelastic motuhake tō te otinga wai tino kukū o te hua ki te whakataurite ki ngā otinga wai o ētahi atu polymer, ka taea e tōna tāpiri te whakapai ake i te āhua o ngā hua uku kua whakaputahia.
10. Te pupuri wai: Nā te kaha ki te wai me te matotoru o te wai, he pai te pupuri wai.
Taupānga:
kāpia tāera
Te moata parai, te grout, te caulk
Moata whakamātao
te whakataurite i a koe anō
He peita pakitara o roto, o waho hoki (he peita kōhatu tūturu)
Te tākai me te tuku:
25 kg te taumaha kupenga, he putea pepa-kirihou hiato, ka taea te whakarite kia rite ki ngā hiahia o te kiritaki.
He ngāwari te mimiti i te makuku o tēnei hua, nō reira me penapena ki te wāhi hauhautanga, maroke hoki.
Wā tuku: Paenga-whāwhā-26-2024