Adhesives abubuwa ne da ke haɗa saman wani abu tare.Ana iya raba mannewa zuwa manne, masu ɗaure, mannen haɗin gwiwa, masu tallata adhesion, tackifiers da adhesives masu ɗaukar ciki, da sauransu, bisa ga hanyoyin haɗin gwiwa daban-daban da tsarin aiki.
Tackifier: yana nufin abubuwan da za su iya ƙara danko na mannen da ba a rufe su ba, kamar resin petroleum, resin coumarone, resin styrene indene, p-alkylphenol formaldehyde resin da ba na thermally resin da Pine tar.Adhesion yana nufin ƙarfi ko aikin da ake buƙata don fitar da fina-finai guda biyu masu kama da juna bayan ƙaramin kaya da ɗan ɗan lokaci lamination, wato, manne kai.Tackifier kawai yana ƙara danƙon saman kayan roba yayin sarrafa samfuran roba masu yawa, wanda ke sauƙaƙe tsarin haɗin kai tsakanin yadudduka na roba.Ya fi inganta tasirin haɗin gwiwa ta hanyar haɓaka tallan jiki, kuma yana cikin nau'in kayan aikin sarrafawa.
Ipregnation m: wanda kuma aka sani da manne kai tsaye, yana nufin ruwa mai ɗauke da ɗanɗano mai ɗanɗano wanda ke rufe saman masana'anta na fiber ko shiga cikin tazarar ciki ta masana'anta ta hanyar aiwatarwa.An haɗa masana'anta ta hanyar sinadarai, kuma ana kiran wannan ruwa mai ɗaukar ruwa mai ɗorewa, kamar tsarin haɗin gwiwa na NaOH emulsion mai kashi uku na resorcinol, formaldehyde da latex, ko tsarin RFL, wanda shine haɓaka tasirin haɗin gwiwa na roba da fiber.daya daga cikin manyan hanyoyin.Domin daban-daban zaruruwa, da abun da ke ciki na impregnating ruwa ne daban-daban.Misali, latex (L bangaren) na iya zama NRL ko butyl pyridine latex, kuma ana iya canza adadin resorcinol da formaldehyde.Don filaye masu wuyar haɗawa irin su polyester, aramid da gilashin gilashi, ban da abun da ke ciki na RFL, sauran abubuwan da suka dace don haɗawa ya kamata a kara su, irin su isocyanate, silane coupling agent, da dai sauransu.
Wakilin ɗaure: Har ila yau, an san shi da manne kai tsaye, ana gauraye shi a cikin fili yayin haɗuwa, kuma a lokacin vulcanization, haɗin gwiwar sinadarai ko adsorption mai ƙarfi yana faruwa a tsakanin saman da za a liƙa don samar da wani abu mai haɗin gwiwa, kamar madaidaicin interlayer.Hydroquinone donor-methylene donor-silica bonding tsarin (m-methyl farin tsarin, HRH tsarin), triazine bonding tsarin.A cikin irin wannan nau'in mannewa, babu tsaka-tsakin tsaka-tsakin da ya dogara da abin da ke kan saman kayan biyu inda aka samar da haɗin gwiwa.Ana amfani da wannan manne galibi don samar da alaƙa mai ƙarfi da dorewa tsakanin kayan roba da kwarangwal.
Binder (m): yana nufin sinadari da ke manne da foda ko kayan fibrous tare don samar da gabaɗaya gabaɗaya, irin su ɓangaren litattafan almara, ɗaure mara saƙa, ɗaure asbestos, foda Abubuwan da ake amfani da su a cikin jikakken granulation galibi ruwa ne ko rabin- abubuwan ruwa, da ɗaure da foda suna gauraye iri ɗaya ta hanyar motsawa mai sauri da sauran hanyoyin, kuma mai ɗaure yana ba da ƙarfin haɗin gwiwa don haɗawa.
Adhesivepromotingagen: yana nufin wani sinadari wanda kai tsaye ke samar da adsorption na jiki ko haɗin sinadarai tsakanin kayan, amma yana iya haɓaka faruwar mannewa, kamar adhesion na roba da ƙarfe-plated tagulla.Gishirin cobalt na halitta da aka yi amfani da shi a cikin tsari shine mai haɓaka adhesion.Hakanan ana ƙara wannan mai tallata mannewa kai tsaye zuwa fili a matsayin wakili mai haɗawa kuma yana taka rawa a cikin babban yanayin ɓarnawar zafin jiki.
Adhesive (m): yana nufin nau'in abubuwan da ke haɗa sassa biyu ko fiye (ko kayan aiki) tare, galibi a cikin nau'in manne ko tef ɗin mannewa, kuma suna samun mannewa ta hanyar feshewa, sutura da tafiyar matakai.Manufar.Wannan hanyar haɗin kai ita ce ta samar da tsaka-tsaki na haɗin gwiwa tare da manne a matsayin babban abin da ke tsakanin saman kayan biyu, kamar haɗin kai tsakanin vulcanized roba, haɗi tsakanin vulcanized roba da fata, itace da karfe.Adhesive Kaddarorinsa da aikin sa, da tsarin haɗin gwiwa suna ƙayyade tasirin haɗin gwiwa.
Daga cikin abubuwan da aka ambata a sama, manne tare da aikace-aikace mai yawa, babban sashi da tsarin aiki mai sauƙi shine m.Akwai nau'ikan adhesives da yawa, kuma wasan kwaikwayonsu ya bambanta.Zaɓin nau'in da ya dace zai iya samun ƙarfin haɗin gwiwa mafi girma.Saboda haka, adhesives sun haɓaka da sauri kuma sun zama abubuwan da aka fi amfani da su a cikin tsarin haɗin gwiwa.
A halin yanzu, abin da aka fi amfani da shi adhesives shine adhesives na isocyanate, adhesives mai dauke da halogen da phenolic resin adhesives.Its isocyanate m ne mai kyau m ga roba da daban-daban karafa.An halin da high bonding ƙarfi, m girgiza juriya, sauki tsari, mai juriya, ƙarfi juriya, ruwa mai juriya, acid da alkali juriya da sauran kaddarorin, amma zafin jiki juriya ne dan kadan matalauta..Hydrochlorinated roba samfur ne da aka samu ta hanyar halayen roba na halitta da hydrogen chloride, wanda ke da kwanciyar hankali mai kyau kuma baya ƙonewa.Ana iya samun mannen roba mai chlorinated tare da mannewa mai kyau ta hanyar narkar da robar chlorinated a cikin wakili mai dacewa.Chlorinated roba adhesives suna yafi amfani da iyakacin duniya roba (neoprene roba da nitrile roba, da dai sauransu) da karafa (karfe, aluminum, Yana kuma iya amfani da a matsayin surface kariya shafi saboda da kyau ruwa juriya da ruwa juriya.
Lokacin aikawa: Mayu-06-2022