Hydroxypropyl methylcellulose (HPMC) bụ ether cellulose na-abụghị ionic nke sitere na cellulose polymer eke sitere na usoro kemịkalụ. Ha bụ ntụ ntụ ọcha na-enweghị isi, nke na-enweghị ụtọ na nke na-adịghị egbu egbu nke na-adaba n'ime ngwọta colloidal doro anya ma ọ bụ ntakịrị urukpuru na mmiri oyi. Ọ nwere ndim, njide, na-achụsasị, emulsifying, film-akpụ, suspending, adsorbing, gelling, elu-arụ ọrụ, mmiri na-ejigide na-echebe colloid Njirimara. Enwere ike iji Hydroxypropyl methylcellulose na methylcellulose na ihe owuwu ụlọ, ụlọ ọrụ agba, resin sịntetik, ụlọ ọrụ seramiiki, ọgwụ, nri, textiles, ọrụ ugbo, kemịkalụ kwa ụbọchị na ụlọ ọrụ ndị ọzọ.
Usoro kemịkalụ:
Hydroxypropylmethylcellulose (HPMC)[C6H7O2(OH)3-mn(OCH3)m(OCH2CH(OH)CH3)n]x
Ngwa bụ isi nke hydroxypropyl methylcellulose HPMC na ihe owuwu ụlọ:
1. plasta dabeere ciment
⑴ Meziwanye ịdị n'otu, mee ka plasta dị mfe iji trowel, kwalite nkwụsi ike, welie mmiri na mgbapụta, ma melite arụmọrụ ọrụ.
⑵ Nnukwu mmiri na-ejide mmiri, na-agbatị oge nchekwa nke ngwa agha, na-eme ka arụmọrụ ọrụ dịkwuo mma, na ịkwado hydration na ịkwado ngwa agha iji mepụta ike dị elu.
⑶ Jikwaa iwebata ikuku iji kpochapụ mgbawa n'elu mkpuchi ma na-emepụta elu dị mma.
2. Gypsum nke plasta na ngwaahịa gypsum
⑴ Meziwanye ịdị n'otu, mee ka plasta dị mfe iji trowel, kwalite nkwụsi ike, welie mmiri na mgbapụta, ma melite arụmọrụ ọrụ.
⑵ Nnukwu mmiri na-ejide mmiri, na-agbatị oge nchekwa nke ngwa agha, na-eme ka arụmọrụ ọrụ dịkwuo mma, na ịkwado hydration na ịkwado ngwa agha iji mepụta ike dị elu.
⑶ Jikwaa nkwụsi ike nke ngwa agha iji mepụta mkpuchi elu dị mma.
3. Masonry Mortar
⑴ Mee ka adhesion dị elu na elu masonry, welie njigide mmiri, ma melite ike nke ngwa agha ahụ.
⑵ Meziwanye mmanu na plasticity, ma melite ihe owuwu; ngwa agha na-emeziwanye site na cellulose ether dị mfe ịrụ, na-echekwa oge ihe owuwu ma belata ụgwọ ụlọ.
⑶ Ether cellulose na-ejigide mmiri dị elu, nke kwesịrị ekwesị maka brik na-ebu mmiri dị elu.
4. Panel nkwonkwo filler
⑴ Ezigbo njide mmiri, gbatịa oge mmeghe ma melite arụmọrụ ọrụ. Mmanụ mmanu dị elu, dị mfe ịgwakọta. ⑵ Meziwanye nguzogide shrinkage na mgbape mgbape, melite ogo elu mkpuchi. ⑶ Meziwanye adhesion nke elu njikọ ma nye ọdịdị dị nro ma dị nro.
5. Tile Adhesive ⑴ Ọ dị mfe ikpokọta ihe ndị na-edozi ahụ, ọ dịghị lumps, na-abawanye ngwa ngwa ngwa, melite arụmọrụ ụlọ, chekwaa oge ọrụ ma belata ụgwọ ọrụ. ⑵ Site n'ịgbatị oge mmeghe, a pụrụ imeziwanye arụmọrụ nke tiling ma nwee ike inye mmetụta adhesion magburu onwe ya.
6. Ihe n'ala na-edozi onwe ya ⑴ na-enye viscosity ma nwee ike iji ya mee ihe dị ka ihe mgbakwunye mgbochi sedimentation. ⑵ Mee ka mgbapụta nke mmiri na-eme ka ọ dịkwuo mma ma melite arụmọrụ nke ịkwanye ala. ⑶ Jikwaa njide mmiri na mbelata, belata mgbawa na mbelata nke ala.
7. Agba na-adabere na mmiri ⑴ egbochi mmiri ozuzo siri ike ma gbasaa ndụ akpa nke ngwaahịa ahụ. Nkwụsi ike dị elu nke ndu, ezigbo ndakọrịta na ihe ndị ọzọ. ⑵ Mee ka mmiri dịkwuo mma, na-enye ezigbo mgbochi ịgbasa, mgbochi sagging na ọkwa ọkwa, ma hụ na njedebe elu dị mma.
8. Akwụkwọ ahụaja ntụ ntụ ⑴ Na-agbaze ngwa ngwa na-enweghị lumps, nke dị mma maka ịgwakọta. ⑵ na-enye ike njikọ dị elu.
9. Osisi ciment nke a na-emepụta (1) nwere ọnụ ọgụgụ dị elu na mmanu mmanu, ma na-eme ka ihe eji eme ihe na-emepụta ihe. ⑵ Melite ike akwụkwọ ndụ akwụkwọ ndụ, kwalite hydration na ọgwụgwọ mmetụta, na ịbawanye mkpụrụ.
10. HPMC ngwaahịa raara onwe ya nye njikere mixed ngwa agha HPMC raara onwe ya nye njikere mixed ngwa agha nwere mma mmiri njigide na njikere-mixed ngwa agha karịa nkịtị ngwaahịa, n'ịhụ zuru ezu hydration nke inorganic cementious ihe, budata igbochi Mbelata nkekọ ike kpatara oke ihicha. , na mgbawa na-akpata site na ihicha shrinkage. HPMC nwekwara ụfọdụ mmetụta ikuku-enraining. Ngwaahịa HPMC a na-eji nke ọma maka ngwa ngwa agwakọta agwakọta nwere oke ikuku dabara adaba, otu na obere ikuku ikuku, nke nwere ike imeziwanye ike na ire ụtọ ngwa ngwa agwakọtara. Ngwaahịa HPMC nke a na-ejikarị maka ngwa agha agwakọtara agwakọta nwere ụfọdụ mmetụta na-ebelata, nke nwere ike ịgbatị oge oghere nke ngwa ngwa agwakọta ọnụ ma belata ihe isi ike nke iwu ụlọ.
Oge nzipu: Mee-24-2023