Nkọwa gbasara ihe nnọchi anya ụfụfụ ihe

Ozi gbasara onye na-afụ ụfụfụ and ya iche iche.

Onye na-eme ụfụfụ bụ ihe na-akwalite mmepụta ụfụfụ, nke a na-ekekarị ụzọ abụọ: onye surfactant na onye na-eme ụfụfụ. Mgbe Surfactant na-eweta obere ego, ọ nwere ike belata esemokwu elu nke mmiri mmiri (ibelata ọrụ achọrọ iji mepụta ụfụfụ) ma ọ bụ na-abawanye nkwụsi ike nke colloidal ha site na igbochi coalescence nke afụ. Ọ bụ ezie na onye na-emepụta ụfụfụ bụ gas nke na-emepụta akụkụ gas nke ụfụfụ.

ụfụfụ ihe bụ ụdị pụrụ iche ìhè porous ihe. Iji nwee oghere ikuku, ị chọrọ ụzọ ị ga-esi jide ikuku n'ime ihe tupu ọ malite imi. Ọ bụghị ọnyà kasị ukwuu bụ afụ, ma ọ bụ anyị nwere ike ịsị ụfụfụ ebe a. Ka ịmepụta afụ ngwa ngwa na nwayọọ, anyị chọrọ onye na-afụ ụfụfụ ma ọ bụ kemịkalụ na-emepụta ihe ndị a tupu ị wụsa ya n'ime ihe dị larịị.

Ihe na-eme ka ọ bụrụ ihe na-esi ísì ụtọ bụ ụdị ihe nwere ike ime ka ngwọta ya na-eme ka mmiri na-emepụta ọtụtụ ụfụfụ mgbe a na-eweba ike ọrụ n'ime ikuku.. Ụdị ihe a bụ

elu-arụ ọrụ gị n'ụlọnga(surfactant) ma ọ bụ ihe na-arụ ọrụ n'elu. Nke mbụ gụnyere anionic surfactant, cationic surfactant, na-abụghị ionic surfactant; nke ikpeazụ gụnyere protein anụmanụ, protein osisi, Nke a pulp bụ mmiri mmiri. A na-akpọkwa ihe na-eme ụfụfụ nke nwere ụfụfụ dị ka onye na-eme ụfụfụ simenti. Concrete foam agent na-ezo aka n'ụdị ihe nwere ike ibelata esemokwu elu mmiri ma mepụta ọnụ ọgụgụ dị ukwuu nke edo na ụfụfụ kwụsiri ike., nke a na-eji emepụta ihe mgbakwunye ụfụfụ.

Nchoputa ohuru banyere ihe nnochi anya ụfụfụ.

Site n'ịtụle njirimara ụfụfụ nke dị iche iche anionic surfactants na ihe dị mma na ọnụ ala dị ala, sodium alfa-olefin sulfonate (TO THE) na ezigbo nkwụsi ike nke ụfụfụ na-ahọrọ dị ka akụkụ ụfụfụ. A na-akwado onye na-emepụta ụfụfụ ọhụrụ maka ihe na-esi ísì ụtọ site n'ịgbakwunye ego kwesịrị ekwesị nke silicone foam stabilizer (zt-1) na ndim ihe onwunwe carboxymethyl cellulose (CMC).

(1) Site n'iji ihe anonic surfactant anọ dị iche iche tụnyere otu ihe ngwọta ahụ, ndị ọkà mmụta sayensị na-achọpụta na ikike ịfụfụ nke AOS bụ ike kachasị ike, sochiri K12, AES na LAS. N'ihe gbasara nkwụsi ike ụfụfụ, AOS dịkwa elu karịa ihe omume atọ nke anionic elu yana ntinye kachasị mma nke ngwọta AOS bụ 0.80%.

(2) Mgbe 0.80% AOS na-eme ụfụfụ nne mmanya na-agwakọta ya 0.20% organic silicon foam-stabilization agent zt-1, ụfụfụ ahụ ruru nkwụsi ike kachasị mma na ebe obibi 1-h bụ 4.8mm na mkpụrụ 1-h bụ. 38.4 ml.

(3) Na ndabere nke gbanwee AOS na organic silicon foam-stabilizing agent zt-1, A na-emezi ụfụfụ ahụ site na ihe siri ike carboxymethyl cellulose CMC. A na-achọpụta na mgbe usoro onunu ogwu bụ 0.020%, arụmọrụ ụfụfụ na-eru ọkwa kachasị mma, na ụfụfụ multiple ịbụ 37.5 ugboro, 1-h mmezi anya ịbụ 1.8 mm, na 1-h secretion mmiri ịbụ 26.1 ml.

(4) A na-etinye onye na-emepụta ụfụfụ ọhụrụ ahụ na nkwadebe nke 300 ~ 500 ọkwa obere njupụta foamed., na ngwaahịa gosiri ezi n'ibu na thermal Njirimara. Ike mkpakọ 28d nke klaasị 300 ihe foamed ruru 0.82mpa, mgbe ahụ, thermal conductivity bụ 0.062w /(m·K). Ike mkpakọ 28d nke klaasị 400 ihe foamed ruru 1.3mpa, na mgbe ahụ, thermal conductivity bụ 0.075w /(m·K). Ike mkpakọ 28d nke klaasị 500 ihe foamed ruru 1.9mpa, na mgbe ahụ, thermal conductivity bụ 0.087w /(m·K).

Ihe a niile na-ekwu, Nsonaazụ gosiri na elu ụfụfụ ahụ nke ọhụrụ ahụ na-emepụta ụfụfụ na-eme ka ọ dị mma, na-egbuke egbuke ma kwụsie ike. Na otutu ụfụfụ nke 37.5 ugboro, a mmezi anya nke 1.8 mm na 1 h, nchụpụ nke 26.1 ml na 1 h, elu nke ụfụfụ ka na-anọgide karịa 50% na 48 h. A na-etinye ihe na-emepụta ụfụfụ iji kwadebe obere njupụta foamed.

Cie-China.org bụ ndị na-eduga ụfụfụ ihe mgbakwunye na-enye ihe na-enye ihe na-emepụta ụfụfụ, superplasticizer,ụfụfụ ihe ike enhancer maka fechaa kọmpat, Ihe mgbochi CLC. Ọ bụrụ na ị na-achọ ihe na-afụ ụfụ, biko nweere onwe gị kpọtụrụ anyị.