Ceramic adhesives HPMC na-eweta: Ngwaahịa dị mma

Ceramic adhesives HPMC: Ngwaahịa dị mma

Hydroxypropyl Methylcellulose (HPMC) bụ nke a na-ejikarị eme ihe na nrapado seramiiki n'ihi ọmarịcha nrapado ya, ikike njide mmiri, na njikwa rheological.Mgbe ị na-ahọrọ HPMC maka ngwa nrapado seramiiki, ọ dị mkpa ịtụle ihe ndị dị ka viscosity, ọnụego hydration, nhazi ihe nkiri, na ndakọrịta na mgbakwunye ndị ọzọ.Nke a bụ ụfọdụ isi echiche maka iji HPMC na adhesives seramiiki:

  1. Viscosity: HPMC na-enyere aka ịchịkwa viscosity nke seramiiki nrapado formulations, na-enye ohere maka mfe ngwa na kwesịrị ekwesị mkpuchi.The viscosity nke HPMC ngwọta dabere na ihe ndị dị ka molekụla arọ, ogo nke nnọchi, na itinye uche.Họrọ akararị HPMC nwere viscosity kwesịrị ekwesị iji nweta nkwekọ achọrọ maka nrapado gị.
  2. Njide mmiri: Njirimara njide mmiri nke HPMC na-enyere aka gbochie ihicha nke nrapado seramiiki akaghi aka, na-enye ohere maka oge ọrụ zuru oke yana nkwalite ike njikọ.Ogo viscosity dị elu nke HPMC na-enyekarị njide mmiri ka mma, na-ahụ na hydration kwesịrị ekwesị nke ihe nkedo cementious na ịkwalite arụmọrụ nrapado.
  3. Adhesion: HPMC na-eme ka adhesion nke seramiiki adhesives dịkwuo mma site n'ịme njikọ siri ike n'etiti nrapado na mkpụrụ.Ọ na-akwalite wetting na ịgbasa nke nrapado n'elu ceramics, na-eme ka kọntaktị na adhesion.Ihe na-emepụta ihe nkiri nke HPMC na-enye aka na nhazi nke njikọ na-adịgide adịgide.
  4. Njikwa Rheology: HPMC na-eje ozi dị ka rheology modifier na seramiiki nrapado formulations, na-enye thixotropic omume na-egbochi sagging ma ọ bụ slumping n'oge ngwa.Ọ na-enyere aka ịnọgide na-enwe nkwekọ achọrọ nke nrapado ma na-eme ka njikwa na ngwa dị mfe.
  5. ndakọrịta: Gbaa mbọ hụ na ọkwa HPMC ahọpụtara dakọtara na mgbakwunye na ihe ndị ọzọ dị n'ụdị nrapado seramiiki, dị ka ihe ndochi, pigmenti, na ndị na-ekesa.Nnwale ndakọrịta nwere ike inye aka gbochie okwu ndị dị ka nkewa nke oge, flocculation, ma ọ bụ mfu nke nrapado.
  6. Ọnụọgụgụ hydration: Ọnụọgụ hydration nke HPMC na-emetụta mmalite nke ihe nrapado na mmepe nke ike njikọ.Kwalite usoro a iji nweta nguzozi n'etiti oge oghere zuru oke maka ngwa yana mmepe ngwa ngwa nke ike njikọ mgbe ịtọchara.
  7. Ọnọdụ ịgwọ ọrịa: Tụlee ọnọdụ ọgwụgwọ, dị ka okpomọkụ na iru mmiri, mgbe ị na-emepụta ihe nrapado seramiiki na HPMC.Gbaa mbọ hụ na nrapado na-agwọ nke ọma ma mepụta ike achọrọ n'okpuru ọnọdụ gburugburu ebe akọwapụtara.
  8. Ogo na ịdị ọcha: Họrọ ngwaahịa HPMC sitere na ndị na-ebubata ngwaahịa a ma ama maka ịdịmma ha, nkwụsi ike na ịdị ọcha.Gbaa mbọ hụ na HPMC na-agbaso ụkpụrụ na ụkpụrụ ụlọ ọrụ dị mkpa, dị ka ụkpụrụ ASTM mba ụwa maka nrapado ihe owuwu.

Site na ịhọrọ nke ọma na imepụta ya na HPMC, ndị na-emepụta ihe nrapado seramiiki nwere ike ịkwalite arụmọrụ nrapado, melite arụmọrụ, yana hụ na nrụnye seramiiki na-adịte aka.Ịme nyocha nke ọma na njikwa njikwa mma nwere ike inye aka kwalite nhazi ahụ ma hụ na ihe ndị a chọrọ nke nrapado seramiiki.


Oge nzipu: Feb-16-2024