Isesengura ry'ibibazo bikunze kubaho kuri kole ya silicone ifite imiterere ibiri

Ibikoresho bibiri bya silikoni bifunga ibintu bifite imbaraga nyinshi, bishobora gutwara imizigo minini, kandi birwanya gusaza, umunaniro, no kwangirika, kandi bikora neza mu gihe giteganijwe. Bikwiriye kole zihanganira gufatana kw'ibice by'inyubako. Bikoreshwa cyane cyane mu gufatana kw'ibyuma, ibumba, pulasitiki, kawurute, imbaho ​​n'ibindi bikoresho by'ubwoko bumwe cyangwa hagati y'ubwoko butandukanye bw'ibikoresho, kandi bishobora gusimbura igice cy'uburyo gakondo bwo guhuza nko gusudira, gukurura no gufunga.
Ifu ya silikoni ifunga inyubako ni igikoresho cy'ingenzi gikoreshwa mu nkuta z'amarido y'ibirahure zihishe cyangwa zihishe cyane. Mu guhuza amasahani n'amarido y'icyuma, ishobora kwihanganira imitwaro y'umuyaga n'imitwaro y'ibirahure, ibi bikaba bifitanye isano itaziguye no kuramba n'umutekano w'inyubako z'amarido y'ibirahure. Imwe mu mibanire y'ingenzi y'umutekano w'amarido y'ibirahure ku nkuta.
Ni agakoresho gafunga ibintu gafite polysiloxane y'umurongo nk'ibikoresho by'ingenzi. Mu gihe cyo gucukura, igikoresho gihuza ibintu gikorana na polymer y'ibanze kugira ngo kibe ibikoresho birebire bifite imiterere y'urusobe rw'ibice bitatu. Kubera ko ingufu z'ubufatanye bwa Si-O mu miterere ya molekile ya silicone rubber ari nini mu mibanire isanzwe ya shimi (Imiterere yihariye ya Si-O: uburebure bw'ubufatanye 0.164 ± 0.003 nm, ingufu zo gutandukana kw'ubushyuhe 460.5J/mol. Irenze cyane C-O358J/mol, C-C304J/mol, Si-C318.2J/mol), ugereranije n'ibindi bifunga ibintu (nk'ibifunga bya polyurethane, acrylic, polysulfide, nibindi), Ubudahangarwa n'ubudahangarwa bwa UV Ubushobozi bwo gusaza mu kirere burakomeye, kandi ntibushobora kugumana icyuho cyangwa kwangirika mu gihe cy'imyaka 30 mu bihe bitandukanye by'ikirere. Ifite ubudahangarwa bwa ± 50% ku guhinduka no kwimuka mu bushyuhe bwinshi. Ariko, hamwe no kwiyongera kw'ikoreshwa ry'ibikoresho byo gufunga bya silicone, ibibazo bitandukanye bizagaragara mu mikoreshereze ifatika, nko: guhuza uduce duto no gusya igice cya B, gutandukanya no gushyira ibice mu byiciro igice cya B, gukanda. Isahani ntishobora gukanda cyangwa kole igahindurirwa, umuvuduko w'imashini ikora kole ugenda buhoro, kole y'urupapuro rw'ikinyugunyugu ifite uduce duto, igihe cyo kuma cy'ubuso ni gito cyane cyangwa gito cyane, kole isa n'aho ihinduka uruhu cyangwa ihinduka, kandi "kole y'indabyo" igaragara mu gihe cyo gukora kole. ", kole ntishobora kuvurwa mu buryo busanzwe, amaboko afashe nyuma y'iminsi mike yo gushonga, ubukana burakabije nyuma yo gushonga, hari imyenge isa n'urushinge ku buso bwo gufatana n'igice, utubumbe tw'umwuka dufatiwe mu gice cyo gufunga cya silicone, guhuza nabi n'igice cyo gufunga, kudahuza n'ibikoresho, nibindi.
2. Isesengura ry'ibibazo bikunze kubazwa kuri kole ya silicone ifite imiterere ibiri
Igice cya B 2.1 gifite uburyo uduce twinshi twinjira mu mubiri no gusya
Iyo habayeho ukwivanga kw'uduce duto no gusya igice cya B, hari impamvu ebyiri: imwe ni uko iki kintu cyabaye mu cyiciro cyo hejuru mbere yo gukoreshwa, bitewe no kudafunga neza kw'ipaki, kandi ikintu gihuza cyangwa ikintu gihuza igice cya B ni ikintu gikora, gishobora kwangirika mu kirere, iki gice kigomba gusubizwa uwagikoze. Iya kabiri ni uko imashini ifungwa mu gihe cyo kuyikoresha, kandi ukwivanga kw'uduce no gusya bibaho iyo imashini yongeye kuyifungura, bigaragaza ko gufunga hagati y'icyuma gifunga icyuma cya kole n'ibikoresho bya rubber bitari byiza, kandi ibikoresho bigomba guhamagara kugira ngo ikibazo gikemuke.
2.2 Umuvuduko w'imashini ikora kole ugenda buhoro
Iyo icyo gikoresho gikoreshejwe bwa mbere, umuvuduko w'imashini ikora kole uba muto cyane mu gihe cyo gukora kole. Hari impamvu eshatu zishobora kuba: ⑴ igice cya A gifite amazi make, ⑵ icyuma gitanga umuvuduko ni kinini cyane, kandi ⑶ umuvuduko w'umwuka udahagije.
Iyo bigaragaye ko ari impamvu ya mbere cyangwa iya gatatu, dushobora kubikemura dukoresheje uburyo imbunda ya kole ikora; iyo bigaragaye ko ari yo mpamvu ya kabiri, gutumiza imbunda ifite ubushobozi bungana bishobora gukemura ikibazo. Iyo umuvuduko w'ingufu usohoka ugabanutse mu gihe gisanzwe, bishobora kuba ko igice cyo kuvanga n'agasanduku k'imashini bifunzwe. Iyo bibonetse, ibikoresho bigomba gusukurwa ku gihe.
2.3 Igihe cyo gusoza icyumweru ni cyihuta cyane cyangwa gitinze cyane
Igihe cyo gucika kw'ubudodo bw'inyubako kivuga igihe bifata kugira ngo koloyide ihinduke kuva kuri kole ijya kuri elastic nyuma yo kuvanga, kandi muri rusange igeragezwa buri minota 5. Hari ibintu bitatu bigira ingaruka ku kumisha no gushonga k'ubuso bwa kabutura: (1) ingaruka z'igice cya A na B, nibindi; (2) ubushyuhe n'ubushuhe (ingaruka z'ubushyuhe ni byo by'ingenzi); (3) formula y'ikintu ubwayo ifite inenge.
Igisubizo cy'impamvu (1) ni uguhindura igipimo. Kongera igipimo cy'igice cya B bishobora kugabanya igihe cyo gukurura no gutuma urwego rw'ubudodo rukomera kandi rucika intege; mu gihe kugabanya igipimo cy'ubudodo bizamura igihe cyo gukurura, urwego rw'ubudodo ruzaba rworoshye, gukomera kuzongererwa kandi imbaraga zizongera kwiyongera.
Muri rusange, igipimo cy'ingano y'igice A: B gishobora guhindurwa hagati ya (9 ~ 13: 1). Niba igipimo cy'igice B kiri hejuru, umuvuduko w'ikirahure uzaba wihuta kandi igihe cyo kugihagarika kizaba gito. Niba igisubizo ari cyihuta cyane, igihe cyo gukata no guhagarika imbunda kizagira ingaruka. Niba gitinze cyane, kizagira ingaruka ku gihe cyo kumisha cya colloid. Igihe cyo kugihagarika muri rusange gihindurwa hagati y'iminota 20 na 60. Imikorere ya colloid nyuma yo gucukura muri uru rugero rw'ikigereranyo ni imwe. Byongeye kandi, iyo ubushyuhe bw'ubwubatsi buri hejuru cyane cyangwa hasi cyane, dushobora kugabanya cyangwa kongera neza igipimo cy'igice B (icunga), kugira ngo tugere ku ntego yo guhindura igihe cyo kumisha ubuso no gucukura cya colloid. Niba hari ikibazo ku gicuruzwa ubwacyo, ibicuruzwa bigomba gusimburwa.
2.4 "Kole y'indabyo" igaragara mu gihe cyo kuyivanga
Ifu y'indabyo ikorwa bitewe no kuvanga gukabije kw'ibice bya A/B, kandi bigaragara nk'umurongo w'umweru wo mu gace. Impamvu nyamukuru ni izi: ⑴Umuyoboro w'igice B cy'imashini ikora kole urafunze; ⑵Imashini ivanga kole idasukuye igihe kirekire; ⑶Igipimo kirarekuye kandi umuvuduko w'isohoka rya kole ntungana; Bishobora gukemurwa no gusukura ibikoresho; kubera impamvu (3), ugomba kugenzura uburyo bwo kugenzura ingano no gukora impinduka zikwiye.
2.5 Gukura uruhu cyangwa gukurura kole mu gihe cyo gukora kole
Iyo kole ifite ibice bibiri ivuwe igice mu gihe cyo kuvanga, kole ikorwa n'imbunda ya kole izagaragara nk'ivunitse cyangwa ivunitse. Iyo nta kibazo kigaragara mu muvuduko wo gufunga no gusohora kole, ariko kole ikaba ikiri ivunitse cyangwa ivunitse, bishobora kuba ibikoresho byarafunzwe igihe kirekire, imbunda ya kole ntiyozwa cyangwa imbunda ntiyozwa neza, kandi kole cyangwa kole yavunitse igomba kozwa. Kubaka nyuma yo gusukura.
2.6 Hari utubumbe tw'umwuka mu gifunga cya silicone
Muri rusange, koloyide ubwayo nta byuma by'umwuka igira, kandi ibyuma by'umwuka biri muri koloyide bishobora kuvangwa n'umwuka mu gihe cyo gutwara cyangwa kubaka, nko: ⑴Imyotsi isohoka ntisukurwa iyo umugozi wa kawunga usimbuwe; ⑵Ibice bikandagirwa ku isahani nyuma yo gushyirwa ku mashini. Ntibikandagirwa hasi, bigatuma ifuro ritavamo neza. Kubwibyo, ifuro rigomba gukurwaho neza mbere yo gukoreshwa, kandi imashini ikora kole igomba gukoreshwa neza mu gihe cyo kuyikoresha kugira ngo ifunze kandi irinde umwuka kwinjira.
2.7 Kutagumana neza n'ubutaka
Ifu yo gufunga si kole ikoreshwa ku isi yose, bityo ntishobora kwemezwa ko ishobora gufatana neza n'ibintu byose mu buryo bufatika. Bitewe n'uburyo butandukanye bwo gutunganya ubuso bw'ifu yo gufunga n'uburyo bushya bwo gukora, umuvuduko wo gufatana n'ingaruka zo gufatana kw'ibintu bifunga n'ibintu nabyo biratandukanye.
Hari ubwoko butatu bw'ibyangiritse ku buryo bwo guhuza hagati y'insinga n'igice cy'ingenzi. Kimwe ni ukwangirika kw'insinga, ni ukuvuga imbaraga zifatanye > imbaraga zifatanye; ikindi ni ukwangirika kw'insinga, ni ukuvuga imbaraga zifatanye < imbaraga zifatanye. Agace k'ibyangiritse ku ihuriro kari munsi cyangwa kangana na 20% ni ko kujuje ibisabwa, naho agace k'ibyangiritse ku ihuriro karenze 20% ntikujuje ibisabwa; agace k'ibyangiritse ku ihuriro karenze 20% ni ikintu kidakwiye mu mikoreshereze ifatika. Hashobora kuba hari impamvu esheshatu zikurikira zituma insinga idafata ku gice cy'ingenzi:
⑴ Ifuru ubwayo iragoye gufatanya, nka PP na PE. Bitewe n'ubucucike bwinshi bwa molekile n'ubushyuhe buke bw'ubuso, ntizishobora gukora uruhererekane rwa molekile no kwivanga n'ibintu byinshi, bityo ntizishobora gukorana cyane ku buryo buhuriweho. Gufatana;
⑵ Ingano y'ibicuruzwa ni nto, kandi ishobora gukora gusa kuri bimwe mu bice;
⑶ Igihe cyo kubungabunga ntabwo gihagije. Ubusanzwe, kole y’ibice bibiri igomba gukurwaho byibuze iminsi 3, mu gihe kole y’ibice bimwe igomba gukurwaho iminsi 7. Niba ubushyuhe n’ubushuhe byo mu bidukikije ari bike, igihe cyo gukurwaho kigomba kongerwa.
⑷ Igipimo cy'ibice A na B si cyo. Mu gihe ukoresha ibikoresho bibiri, umukoresha agomba gukurikiza neza igipimo gisabwa n'uwabikoze kugira ngo ahindure igipimo cya kole y'ibanze n'igikoresho gitanga ubuziranenge, bitabaye ibyo ibibazo bishobora kubaho mu ntangiriro zo gupima ubuziranenge, cyangwa mu cyiciro cya nyuma cyo gukoresha mu bijyanye no gufatana, kwihanganira ikirere no kuramba. Ikibazo;
⑸ Kudasukura substrate uko bikenewe. Kubera ko ivumbi, umwanda n'imyanda iri ku buso bw'substrate bizabangamira ubufatanye, igomba gusukurwa neza mbere yo kuyikoresha kugira ngo kole n'substrate bifatanye neza.
⑹ Kudakoresha primer uko bikenewe. Primer ikoreshwa mbere yo gusukura ku buso bwa aluminiyumu, bishobora kongera ubushobozi bwo kwirinda amazi no kuramba kw'ifatanirizo mu gihe bigabanya igihe cyo gufataniriza. Kubwibyo, mu bikorwa nyabyo by'ubuhanga, tugomba gukoresha primer neza kandi tukirinda cyane gukuramo gum bitewe n'uburyo budakwiye bwo kuyikoresha.
2.8 Kudahuza n'ibikoresho
Impamvu yo kudahuza n'ibikoresho ni uko agafunga gashobora kugira ingaruka ku buryo bufatika cyangwa ubutabire iyo ibikoresho bihuye, bigatera ibyago nko guhindura ibara ry'agafunga, kudafatana n'agasanduku, kwangirika kw'imikorere y'agafunga, no kugabanya igihe cyo kumara gafunga.
3. Umwanzuro
Kole ya silikoni ifite imbaraga nyinshi, ihamye cyane, irwanya gusaza neza, irwanya ubushyuhe bwinshi n'indi miterere myiza, kandi ikoreshwa cyane mu guhuza inkuta z'amarido. Ariko, mu bikorwa bifatika, bitewe n'impamvu z'abantu n'ibibazo by'ibikoresho by'ibanze byatoranijwe (ibipimo by'ubwubatsi ntibishobora gukurikizwa neza), imikorere ya kole irahinduka cyane, ndetse ikanahinduka idafite agaciro. Kubwibyo, isuzuma ry'uko ihuye n'isuzuma ry'ibirahure, ibikoresho bya aluminiyumu n'ibindi bikoresho bigomba kugenzurwa mbere yo kubaka, kandi ibisabwa kuri buri kole bigomba gukurikizwa cyane mu gihe cy'ubwubatsi, kugira ngo kole igere ku ngaruka kandi irebe ko umushinga ufite ubuziranenge.