The mgbaze P4 nkọwa, Ọdịdị

N'ihi na ihe ịga nke ọma sere arụmọrụ nwekwara mkpa adjuvants dị ka solvents, onye were dị mkpa iji dozie elu ma nweta chọrọ anọgidesi nke agba ihe. Ke ibuotikọ emi anyị ga-atụle ihe mgbaze P4, nke bụ otu n'ime ndị kasị ewu ewu na a maara nke ọma na ahịa nke yiri ihe.

General e ji mara

P4 mgbaze - ihe organic mgbaze nke bụ ihe doro anya colorless mmiri mmiri (na ụfọdụ nwere ike a acha tint) na-enweghị anya kwụsịtụrụ ahụ. Ọ ji a kpọmkwem isi na elu volatility. The nkezi uru nke ikwu njupụta nke umi bụ 0,85 g kwa CC. cm. autoignites na okpomọkụ nke 550 degrees. Ọ na-emepụta dị ka ụkpụrụ kwuru GOST 7827-74. Emepụta na ulo oru akpa - plastic na iko containers (karama) nke dị iche iche nha.

P4 mgbaze: mejupụtara

P4 - a ngwakọta nke atọ organic solvents, nke ịgụnye nweta ọbụna karị arụmọrụ. Ọ na-agụnye ndị na-esonụ bekee:

• Toluene - 62%;

• acetone - 26%;

• butyl acetate - 12%.

N'ihi na nke a mejupụtara ezu mgbaze nwere ezigbo n'ji Njirimara na elu arụmọrụ mgbasa nke varnishes na ágbá. Dị otú ahụ mgwa ka butyl acetate, enwekwu gloss fim etinyere coatings na-egbochi enwu gbaa na bleaching.

The isi oru afọ nke mgbaze

The mgbaze P4 (GOST 7827-74) nwere ndị na-esonụ e ji mara:

• ngosi uru volatility nke ethyl ether ke nso site 5 15;

• coagulation nọmba bụ ihe na-erughị 24%;

• nkezi nke mmiri (site uka) bụ karịa 0,7%;

• ihe acid nọmba nke karịa 0,07 mg Koh / g.

Dị ka ihe mgbaze ọkwa P-4A. The reagent na mgbaze P4 - analogs nke nkọwa. Otú ọ dị, ha dị iche dịtụ na mejupụtara, ebe, dị ka chọrọ nke GOST, na P-4A adịghị agụnye butyl acetate. Ọzọ dị iche bụ na ndị a akara na ika mgbaze F-4A, n'adịghị P4 nwere ike igbari Enamel CHV-124 (nchebe na isi awọ).

Agaghi asu mgbaze eji P4?

The reagent eji maka ozuzu nke ágbá pịnye PSC PSC LN na LS, ndabere maka mmepụta nke na-chlorinated polyvinyl chloride resins, epoxy resins, vinyl chloride copolymers na ụfọdụ ndị ọzọ film na-akpụ bekee.

Dosing - esi itughari agba mgbaze P4?

P4 mgbaze na-kwukwara na a na-onwunwe (ghọọ ma ọ bụ agba) na obere òkè ruo mgbe mkpuruedemede agbanwe agbanwe. Bred agba (lacquer) ọ na-achọ mgbe nile na-akpali akpali.

Na etinye njikere mkpuchi mgbaze evaporates na film na-akpụ ihe solidify, mbịne n'ime a na-echebe mkpuchi. Ọ dị mkpa mgbe na-arụ ọrụ a mgbaze zere ingress nke mmiri dị ka a akụkụ nke acetone nwere ike ngwa ngwa mix na ya, na nke a n'aka ga-eduga a distortion nke agba ma ọ bụ enwu gbaa anya na uwe.

Safety anya mgbe na-arụ ọrụ mgbaze P4

Ọ ga-eti na ihe bụ nke toxicant na nwere a ezighị ezi mmetụta na ahụ mmadụ, nke a na-ọnọ site inhalation, na penetrates ikpa. Site ruo ogologo oge n'ebe o kwere omume na-ezighị ezi mmetụta nke mgbaze na ụmị ọkpụkpụ na ọbara. Na ikpe nke ruo ogologo oge na kọntaktị na akpụkpọ nwere ike kpụrụ dermatitis.

Ihe niile nke dị n'elu, na mgbaze P4 ga-rụrụ na ogige, na-enye ezi ventilashion. Ọ dịkwa oké mkpa iji ihe nchedo igbochi n'ebe emerụ bekee na akụkụ okuku ume na usoro, anya na akpụkpọ ahụ nke aka (ume, uwe, enyoanya).

P4, nakwa dị ka a ọnụ ọgụgụ nke ndị ọzọ solvents, ji a elu ogo ọku ize ndụ. The ngwakọta a mfe amụnyewo, na, Ọzọkwa, bụ mgbawa. Di na nwunye-eme ka elu bekee nwere ihe onwunwe na-anakọta na mgbaze nwekwara ndị na-agbawa agbawa. Ya mere, a ga eme maka na mgbaze bụ ime ọkụ nchekwa chọrọ.