Ilimi

Menene guduro mai? Menene manyan nau'ikan?

2022-10-26

Gudun man fetur wani nau'in guduro ne na epoxy mai ƙarancin nauyin kwayoyin halitta. Nauyin kwayoyin gabaɗaya ƙasa da 2000. Yana da ductility na thermal kuma yana iya narkar da kaushi, musamman maƙarƙashiya na tushen mai. Yana da dacewa mai kyau tare da sauran kayan guduro. Yana da tsayayyar abrasion mai inganci da juriya na tsufa. Mahimman sigogin aikin sa sun haɗa da maki mai laushi, hue, unsaturation, ƙimar acid, ƙimar saponification, ƙarancin dangi, da sauransu.

petroleum resin

Batun laushi shine mabuɗin sifa na resin man fetur, wanda ke nufin ƙarfinsa, gaɓoɓinsa, da ɗankowar sa sun bambanta da aikace-aikacen, kuma maƙasudin laushin da ake buƙata shima ya bambanta. A karkashin yanayi na al'ada, wurin laushi a cikin samar da masana'antu na vulcanized roba shine 70 ° C zuwa 1000 ° C, kuma ma'anar laushi a cikin masana'antar samar da sutura da fenti shine 100 ° C zuwa 1200 ° C.

Bugu da ƙari, matakin canjin sautin da ke haifar da hasken ultraviolet da tasirin zafi shima muhimmin ma'aunin aiki ne. Ana iya amfani da ƙimar acid ba kawai don gano ƙarfin ajiyar ƙarfe na ƙarfe na tushen acid ba amma har ma don gano abubuwan carbonyl da carboxyl na ajiyar resin man fetur saboda iskar oxygen.

Abubuwan da ke tattare da resin man fetur yana da matukar rikitarwa. Tare da tallan tallace-tallace da haɓaka manyan abubuwan amfani da shi, akwai ƙarin nau'ikan nau'ikan, waɗanda za a iya kasu kusan kashi biyar:

â  Kitsen jikin ɗan adam, resin epoxy cycloaliphatic, gabaɗaya an shirya shi daga juzu'in C5, wanda kuma aka sani da resin epoxy C5;

â¡ p-xylene epoxy resin, gabaɗaya an yi shi daga juzu'in C9, wanda kuma aka sani da resin epoxy C9;

⢠p-xylene-aliphatic hydrocarbon copolymer epoxy resin, wanda kuma aka sani da C5/C9 epoxy resin;

â£Dicyclopentadiene epoxy resin, wanda aka yi daga dicyclopentadiene ko mahadi, kuma ana kiransa DCPD epoxy resin. Saboda wannan resin epoxy yana da ƙungiyoyin aliphatic hydrocarbon unsaturated, ana kuma kiransa resin iskar Oxygen mai nuni.

⤠Hydrocracking man fetur resin, gabaɗaya C5 ko C9 epoxy resin ja ne mai launin ruwan kasa zuwa rawaya mai haske kuma yana iya zama fari fari mai launin ruwan madara ko kuma mai jujjuyawar bayan ruwa.

An fi amfani da resin man fetur a cikin kayan aikin gine-gine, manne, bugu tawada, abubuwan adanawa, da kayan gyara roba mai ɓarna. Tare da ci gaba da yanayin ci gaban fasahar guduro, babban amfaninsa kuma yana haɓaka koyaushe. C5 epoxy resin rukuni ne mai saurin haɓaka haɓakawa a wannan matakin, kuma ana amfani dashi sosai a cikin kayan aikin gine-gine, bugu tawada, rufewa, haɗin gwiwa da sauran masana'antu. C9 epoxy resin ana amfani dashi sosai a cikin fenti, roba mai ɓarna, robobi da sauran masana'antu, kuma haɓakawa da haɓakar kasuwancin sa yana da faɗi sosai.

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