Ịgbasa ngwa ngwa ngwa ngwa rubber asphalt mkpuchi mmiri bụ ihe mkpuchi mmiri. Ọ bụrụ na a naghị echekwa diaphragm ahụ nke ọma mgbe ịgbasachara ya, mmiri ahụ agaghị apụta kpamkpam, nnukwu ikuku ikuku ga-apụta ngwa ngwa n'oge a na-eme achịcha dị elu, na-eme ka ihe nkiri ahụ na-adịghị agwụ agwụ, na mmiri na-adịghị mma, mgbochi corrosion, na iguzogide ihu igwe. . N'ihi na ọnọdụ gburugburu ebe obibi na-arụ ọrụ na ebe a na-ewu ihe na-abụkarị ihe a na-apụghị ịchịkwa, ọ dị mkpa iji melite nguzogide okpomọkụ dị elu nke ihe mkpuchi mmiri na-ekpuchi roba asphalt ngwa ngwa site n'echiche nke nhazi.
A na-ahọrọ ether cellulose na-agbaze mmiri iji melite nguzogide okpomọkụ dị elu nke ihe mkpuchi mmiri asphalt roba na-edozi ngwa ngwa. N'otu oge ahụ, a na-amụ mmetụta nke ụdị na ọnụọgụ cellulose ether na ihe ndị na-emepụta ihe, ịrụ ọrụ ịgbasa, okpomọkụ na-eguzogide na nchekwa nke ịgbasa ngwa ngwa na-eme ka ihe mkpuchi mmiri na-ekpuchi rubber asphalt. mmetụta arụmọrụ.
Nkwadebe ihe atụ
Na-agbaze hydroxyethyl cellulose na 1/2 deionized mmiri, kpalie ruo mgbe ọ gbazere kpamkpam, wee gbakwunye emulsifier na sodium hydroxide na mmiri 1/2 fọdụrụnụ ma kpalie ọbụna iji dozie ngwọta ncha, na n'ikpeazụ, gwakọta ihe ndị dị n'elu Ihe ngwọta abụọ ahụ na-ejikọta ọnụ iji nweta ngwọta mmiri nke hydroxyethyl cellulose, na pH 11 na-achịkwa n'etiti 1.3.
Mix emulsified asphalt, neoprene latex, hydroxyethyl cellulose aqueous solution, defoamer, wdg dị ka ụfọdụ ruru iji nweta ihe A.
Kwadebe ụfọdụ ntinye nke Ca (NO3) 2 ngwọta mmiri dị ka ihe B.
Jiri ngwa ịgbanye ọkụ eletrik pụrụ iche iji fesa ihe A na ihe B na akwụkwọ ntọhapụ n'otu oge, ka enwere ike ịkpọtụrụ ihe abụọ ahụ wee tinye ngwa ngwa n'ime ihe nkiri n'oge usoro atomization cross.
Nsonazụ na mkparịta ụka
Hydroxyethyl cellulose na a viscosity nke 10 000 mPa·s na 50 000 mPa·s ka a họọrọ, na usoro nke post-gbakwunyere ka a nakweere na-amụ mmetụta nke viscosity na mgbakwunye ego nke hydroxyethyl cellulose na spraying arụmọrụ nke ngwa ngwa-nhazi roba asphalt waterproof coatings, ihe nkiri na-eguzogide ihe onwunwe na-emepụta ihe. Iji zere mmebi nke nguzozi nke sistemu nke sitere na mgbakwunye nke hydroxyethyl cellulose solution, na-akpata demulsification, ihe emulsifier na onye na-achịkwa pH na-agbakwunye n'oge nkwadebe nke ngwọta hydroxyethyl cellulose.
Mmetụta nke Viscosity nke Hydroxyethyl Cellulose (HEC) na Ịfesa na Ihe Nkiri Na-emepụta Ihe nke mkpuchi mmiri.
Ka ukwuu viscosity nke hydroxyethyl cellulose (HEC), ukwuu mmetụta na spraying na film-akpụ Njirimara nke waterproof coatings. Mgbe ego mgbakwunye ya bụ 1 ‰, HEC na viscosity nke 50 000 mPa·s na-eme ka viscosity nke usoro mkpuchi mmiri na-ekpuchi mmiri Mgbe ọ na-abawanye ugboro 10, ịgbasa na-esiwanye ike, na diaphragm na-ebelata nke ukwuu, ebe HEC nwere viscosity nke 10 000 mPa·s, na-enwe mmetụta dị nta na diaphragm.
Mmetụta nke Hydroxyethyl Cellulose (HEC) na Nguzogide Okpomọkụ nke mkpuchi mkpuchi mmiri
A na-efesa ihe mkpuchi mmiri na-adịghị ngwa ngwa nke rubber asphalt na mpempe akwụkwọ aluminom iji dozie ihe nlele ule na-eguzogide okpomọkụ, a gwọọ ya dịka ọnọdụ ọgwụgwọ nke mkpuchi mmiri na-ekpuchi mmiri nke asphalt nke mmiri na-edepụta na ọkọlọtọ GB / T 16777-2008. Hydroxyethyl cellulose nke nwere viscosity nke 50 000 mPa·s nwere nnukwu ibu molekul. Na mgbakwunye na igbu oge ikuku mmiri, ọ nwekwara mmetụta na-ewusi ike, na-eme ka mmiri na-esi n'ime ime mkpuchi ahụ sie ike, n'ihi ya, ọ ga-emepụta nnukwu ọkpụkpụ. Ihe dị arọ nke hydroxyethyl cellulose na viscosity nke 10 000 mPa·s dị ntakịrị, nke na-enwe mmetụta dị nta na ike nke ihe onwunwe ma ghara imetụta mgbanwe nke mmiri, n'ihi ya, ọ dịghị ọgbọ afụ.
Mmetụta nke ego hydroxyethyl cellulose (HEC) agbakwunyere
A na-ahọrọ hydroxyethyl cellulose (HEC) na viscosity nke 10 000 mPa·s dị ka ihe nyocha, na mmetụta nke mgbakwunye dị iche iche nke HEC na-arụ ọrụ spraying na ikpo ọkụ nke mkpuchi mmiri na-enyocha. N'iburu n'uche arụmọrụ spraying, nguzogide okpomọkụ na ihe eji arụ ọrụ nke mkpuchi mkpuchi mmiri n'ụzọ zuru ezu, a na-ewere ya na mgbakwunye kacha mma nke hydroxyethyl cellulose bụ 1 ‰.
The neoprene latex na sprayed ngwa ngwa-seting roba asphalt mkpuchi mmiri na emulsified asphalt nwere nnukwu ọdịiche dị na polarity na njupụta, nke na-eduga na delamination nke ihe A n'ime obere oge n'oge nchekwa. Ya mere, n'oge a na-ewu ụlọ Ọ dị mkpa ka a kpalie ya nke ọma tupu a fesa ya, ma ọ bụghị ya, ọ ga-adị mfe ibute ihe mberede dị mma. Hydroxyethyl cellulose nwere ike dozie nsogbu delamination nke mkpuchi mkpuchi mmiri na-egbochi roba ngwa ngwa. Mgbe otu ọnwa nke nchekwa gachara, a ka nwere delamination. Viscosity nke usoro anaghị agbanwe nke ukwuu, na nkwụsi ike dị mma.
lekwasị anya
1) Mgbe hydroxyethyl cellulose na-agbakwunyere na sprayed ngwa ngwa-seting rubber asphalt waterproof, a na-eme ka nguzogide okpomọkụ nke mkpuchi mmiri na-eme ka ọ dịkwuo mma, na nsogbu nke nnukwu egosipụta n'elu mkpuchi na-eme ka ọ dịkwuo mma.
2) N'okpuru ebe a na-adịghị emetụta usoro ịgbasa, ihe nkiri na-emepụta ihe nkiri na ihe ndị na-emepụta ihe, a na-ekpebi hydroxyethyl cellulose na hydroxyethyl cellulose na viscosity nke 10 000 mPa·s, na mgbakwunye ego bụ 1 ‰.
3) Mgbakwunye nke hydroxyethyl cellulose na-eme ka nkwụsi ike nke nchekwa nke mkpuchi mkpuchi mkpuchi roba asphalt na-agba ọsọ ngwa ngwa, ọ dịghịkwa delamination na-eme mgbe nchekwa maka otu ọnwa.
Oge nzipu: Mee-29-2023