Resin ya Epoxy

1、Intangiriro

Ubusanzwe resin ya epoxy ikoreshwa hamwe n'inyongeramusaruro. Inyongeramusaruro zishobora gutoranywa hakurikijwe uburyo butandukanye bwo kuyikoresha. Inyongeramusaruro zisanzwe zirimo Umuti wo Kuvura, Umuhinduramusaruro, Umutako, Umuvuduko w'amazi, n'ibindi.

Umuti uvura ni ikintu cy'ingenzi cyane. Niba resin ya epoxy ikoreshwa nk'umuti ufata, usiga, ucurisha, cyangwa umuti uvura bigomba kongerwamo, bitabaye ibyo ntishobora kuvurwa. Bitewe n'ibisabwa bitandukanye mu ikoreshwa n'imikorere, hari ibisabwa bitandukanye kuri resin ya epoxy, umuti uvura, umuhindura, kuzuza, gushonga n'ibindi bikoresho.

2,Guhitamo Epoxy Resin

(1) Hitamo ukurikije Aplication

① Iyo ikoreshejwe nk'ubudodo, ni byiza guhitamo resin ifite agaciro ka epoxy gaciriritse (0.25-0.45);

② Iyo ikoreshejwe nk'ikoreshwa mu gushonga, ni byiza guhitamo resin ifite agaciro ka epoxy (0.40);

③ Iyo ikoreshejwe nk'imvange, resin ifite agaciro ka epoxy gake (< 0.25) muri rusange iratoranywa.

(2) Hitamo ukurikije imbaraga za Mekanike

Ingufu zifitanye isano n'urwego rwo guhuza. Agaciro ka epoxy kari hejuru, kandi urugero rwo guhuza narwo ruba ruri hejuru nyuma yo gushonga. Agaciro ka epoxy kari hasi kandi urugero rwo guhuza narwo ruba ruri hasi nyuma yo gushonga. Agaciro gatandukanye ka epoxy na ko gatera imbaraga zitandukanye.

① Resin ifite agaciro ka epoxy nyinshi ifite imbaraga nyinshi ariko iracikagurika;

② Resin ifite agaciro gaciriritse ka epoxy ifite imbaraga nziza ku bushyuhe buri hejuru n'ubukonje;

③ Resin ifite agaciro gato ka epoxy ifite imbaraga nke iyo ubushyuhe buri hejuru.

(3) Hitamo ukurikije ibisabwa mu mikorere

① Ku badakeneye imbaraga n'ubushyuhe bwinshi, bashobora guhitamo resin ifite agaciro ka epoxy gake ishobora kuma vuba kandi bitaba byoroshye kuyitakaza.

② Ku bakeneye ubushobozi bwo kwinjira neza no gukomera, bashobora guhitamo resin ifite agaciro ka epoxy kari hejuru.

3,Guhitamo Umuti Uvura

(1) Ubwoko bw'umuti uvura indwara:

Ibintu bisanzwe bikoreshwa mu gukamura epoxy resin birimo aliphatic amine, alicyclic amine, amine aromatic, polyamide, anhydride, resin na tertiary amine. Byongeye kandi, iyo ukoresheje photoinitiator, UV cyangwa urumuri nabyo bishobora gutuma epoxy resin ikarangirira. Amine ikarangirira muri rusange ikoreshwa mu gukamura ubushyuhe bw'icyumba cyangwa mu bushyuhe buke, mu gihe anhydride na aromatic curing agent bikunze gukoreshwa mu gukamura ubushyuhe.

(2) Igipimo cy'umuti uvura

① Iyo amine ikoreshejwe nk'ikintu gihuza ibintu, ibarwa ku buryo bukurikira:

Igipimo cya amine = MG / HN

M = uburemere bwa amine;

HN = umubare wa hydrogen ikora;

G = agaciro ka epoxy (ingano ya epoxy kuri garama 100 za epoxy resin)

Ingano y'impinduka ntirenga 10-20%. Iyo ivuwe hakoreshejwe amine nyinshi, resin izacika intege. Iyo ingano ari nto cyane, irangirika ntiriba ritunganye.

② Iyo anhydride ikoreshejwe nk'ikintu gihuza, ibarwa ku buryo bukurikira:

Igipimo cya Anhydride = MG (0.6 ~ 1) / 100

M = uburemere bwa molekile ya anhydride;

G = agaciro ka epoxy (0.6 ~ 1) ni coefficient y'igerageza.

(3) Ihame ryo Guhitamo Umuti Uvura

① Ibisabwa mu mikorere.

Zimwe zikenera ubushyuhe bwinshi, izindi zikenera koroha, izindi zikenera uburinzi bwiza bwa corruption. Uburyo bwo kuzimya bukwiye butoranywa hakurikijwe ibisabwa bitandukanye.

② Uburyo bwo kuvura.

Hari ibicuruzwa bidashobora gushyushywa, icyo gihe umuti uvura ubushyuhe ntushobora gutoranywa.

③ Igihe cyo gusaba.

Igihe cyo gukoresha bivuze igihe cyo kuva aho epoxy resin yongewe hamwe n’ikintu gitanga umuti kugeza igihe idashobora gukoreshwa. Mu gihe kirekire, anhidridi cyangwa imiti igabanya umuriro igaragara muri rusange ikoreshwa.

④ Umutekano.

Muri rusange, umuti uvura ufite uburozi buke ni mwiza kandi ufite umutekano wo gukora.

⑤ Igiciro.

4、Guhitamo Umuhinduzi

Ingaruka za modifier ni ukunoza uburyo epoxy resin ikora, uburyo irwanya gushwanyagurika, uburyo irwanya gucika, uburyo irwanya ingaruka n'uburyo irinda ubushyuhe.

(1) Ibihindura rusange n'imiterere

① Rubber ya Polysulfide: yongera imbaraga zo gukurura no kurwanya gukurura;

② Polyamide resin: irushaho gutuma uruhu rworoha kandi rufatana neza;

③ Alcohol ya polyvinyl TERT butyraldehyde: yongera ubushobozi bwo kurwanya ingaruka z'izuba;

④ NBR: kunoza ubudahangarwa bw'ibara ry'umutuku;

⑤ Resin ya phenolic: yongera ubushyuhe no kurwanya ingese;

⑥ Polyester resin: yongera ubushobozi bwo kurwanya uruhu rudahinduka;

⑦ Urea formaldehyde melamine resin: yongera imbaraga n'ubudahangarwa bw'imiti;

⑧ Resin ya Furfural: yongera imikorere yo kugonga static, yongera ubudahangarwa bw'aside;

⑨ Resin ya vinyl: yongera imbaraga zo kurwanya gukurura no gukomera kw'ingaruka;

⑩ Isocyanate: igabanya ubushuhe bwo kwinjira no kongera ubushobozi bwo kwirinda amazi;

11 Silicone: kongera ubushobozi bwo kwirinda ubushyuhe.

(2) Igipimo

① Rubber ya Polysulfide: 50-300% (ifite umuti uvura);

② Resine ya polyamide na resine ya phenolic: 50-100%;

③ Polyester resin: 20-30% (idafite umuti uvura, cyangwa ingano nto y'umuti uvura kugira ngo wihutishe igisubizo.

Muri rusange, uko resin ikoreshwa cyane, niko ihinduka ry’ubushyuhe rirushaho kwiyongera, ariko ubushyuhe bwo guhindura ubushyuhe bw’ibicuruzwa bya resin bugabanuka uko bikwiye. Kugira ngo resin irusheho koroha, ibikoresho bikomeza gukonja nka dibutyl phthalate cyangwa dioctyl phthalate bikunze gukoreshwa.

5、Guhitamo ibikoresho byuzuza

Akamaro k'ibikoresho byuzuza ni ukunoza imiterere imwe n'imwe y'ibicuruzwa ndetse n'uburyo bwo gutwika resin. Bishobora kandi kugabanya ingano ya epoxy resin no kugabanya ikiguzi. Ibintu byuzuza bitandukanye bishobora gukoreshwa mu mirimo itandukanye. Bigomba kuba biri munsi ya mesh 100, kandi ingano iterwa n'ikoreshwa ryabyo. Ibintu byuzuza bisanzwe ni ibi bikurikira:

(1) Fibre ya Asbestos na fibre y'ikirahure: byongera gukomera no kudahura n'ingaruka;

(2) Ifu ya Quartz, ifu ya porcelain, ifu y'icyuma, sima, emery: kongera ubukana;

(3) Ifu ya Alumina na porcelain: kongera imbaraga zo gufatana no gukomera kwa mekanike;

(4) Ifu ya asbestos, ifu ya silika gel na sima ifite ubushyuhe bwinshi: binoza ubushobozi bwo kwirinda ubushyuhe;

(5) Ifu ya Asbestos, ifu ya quartz n'ifu y'amabuye: gabanya igipimo cyo kugabanuka;

(6) Ifu ya aluminiyumu, ifu y'umuringa, ifu y'icyuma n'izindi fu z'icyuma: byongera ubushobozi bwo gutwara ubushyuhe n'ubushobozi bwo gutwara;

(7) Ifu ya grafiti, ifu ya talc n'ifu ya quartz: kunoza imikorere yo kurwanya kwangirika no gukoresha amavuta;

(8) Emery n'izindi mashini zigabanya ubukana: kunoza imikorere yo kurwanya kwangirika;

(9) Ifu ya Mica, ifu ya porcelain n'ifu ya quartz: byongera ubushobozi bwo gukingira;

(10) Ubwoko bwose bw'amabara na grafiti: hamwe n'amabara;

Byongeye kandi, dukurikije imibare, ingano ikwiye (27-35%) ya okiside P, As, Sb, Bi, Ge, Sn na Pb zongewe muri resin zishobora kugumana gufatana mu gihe cy'ubushyuhe bwinshi n'umuvuduko mwinshi.

6、Guhitamo Diluent

Akamaro k'umusemburo ni ukugabanya ubushyuhe no kunoza uburyo resin inyuramo. Ishobora kugabanywamo ibice bibiri bitagira ingaruka n'ibidakora, kandi ingano muri rusange ntirenze 30%. Ibisanzwe bigabanya ingaruka birimo diglycidyl ether, polyglycidyl ether, propylene oxide butyl ether, propylene oxide phenyl ether, dicyclopropane ethyl ether, triethoxypropane propyl ether, inert diluent, xylene, toluene, acetone, nibindi.

7、Ibisabwa ku bikoresho

Mbere yo kongeramo umuti uvura, ibikoresho byose byakoreshejwe, nka resin, umuti uvura, kuzuza, guhindura, gushonga, nibindi, bigomba gusuzumwa, kandi bigomba kuba byujuje ibi bikurikira:

(1) Nta mazi: ibikoresho birimo amazi bigomba kubanza kumywa, kandi ibinyabutabire birimo amazi make bigomba gukoreshwa bike bishoboka.

(2) Ubuziranenge: ingano y'imyanda itari amazi igomba kuba munsi ya 1%. Nubwo ishobora no gukoreshwa hamwe n'imyanda iri hagati ya 5% na 25%, igipimo cy'ibindi bikoresho muri formula kigomba kongerwa. Ni byiza gukoresha reagent grade mu rugero ruto.

(3) Igihe cyo kwemeza: Ni ngombwa kumenya niba ibikoresho ari iby'agaciro.