Phthalic anhydridechinhu chakakosha chemakemikari musanganiswa chinoita basa rakakosha muindasitiri yekugadzira. Hunhu hwayo hwakasiyana-siyana hunoita kuti ive chinhu chakakosha mukugadzirwa kwezvinhu zvakasiyana siyana, kubva kumapurasitiki nemarezeni kusvika kudhayi nemishonga. Mune ino blog post, isu tichaongorora mashandisirwo uye kukosha kwephthalic anhydride muindasitiri yemakemikari.
Imwe yekushandiswa kwekutanga kwephthalic anhydride iri mukugadzirwa kwephthalate plasticizers, iyo inoshandiswa kugadzira PVC (polyvinyl chloride) inoshanduka uye yakasimba. Aya mapurasitiki akakosha kune akasiyana maapplication, kusanganisira waya netambo, pasi, uye michina yekurapa. Pasina phthalic anhydride, kugadzirwa kwezvinhu zvakakosha izvi kwaizokanganiswa zvakanyanya.
Phthalic anhydride zvakare chinhu chakakosha mukugadzirwa kwemaunsaturated polyester resin, ayo anoshandiswa zvakanyanya mukugadzira fiberglass-inosimbiswa mapurasitiki. Aya maresin anoshandiswa mumaindasitiri emotokari, ekuvaka, uye emugungwa, pakati pezvimwe, nekuda kwesimba rawo rakanaka, kusimba, uye kusagadzikana kwekuora. Pasina phthalic anhydride, kugadzirwa kweaya akakosha resin kwaisazogoneka.
Pamusoro pemapurasitiki uye resin, phthalic anhydride inoshandiswawo mukugadzira dhayi uye pigment. Inopindirana nemhando dzakasiyana dzemakemikari kuti igadzire makomisheni ane mavara anoshandiswa mumaindasitiri emucheka, mapepa, uye epurasitiki. Aya madhayi nemavara akakosha pakugadzirwa kwemhando dzakasiyana siyana dzezvigadzirwa, kubva pakupfeka uye kurongedza kusvika kune zvakadhindwa zvinhu uye zvinhu zvevatengi.
Uyezve, phthalic anhydride chinhu chakakosha mukugadzirwa kwemamwe mishonga nemakemikari ekurima. Inoshandiswa mukugadzirwa kwemishonga yakasiyana siyana uye zvipembenene, zvichibatsira mukufambisira mberi kwehutano nekurima. Pasina phthalic anhydride, kugadzirwa kwemakemikari anokosha aya kwaizokanganiswa zvakanyanya.
Pasinei nekushandiswa kwayo kwakasiyana-siyana, zvakakosha kuziva kuti phthalic anhydride yakasimudza kushushikana maererano nekugona kwayo hutano uye kukanganisa kwezvakatipoteredza. Izvo zvakakosha kuti vagadziri vabate uye vashandise phthalic anhydride zvine hungwaru kudzikisa njodzi dzinogona kuitika. Pamusoro pezvo, vaongorori nemasaenzi vari kugara vachiongorora mamwe makomisheni uye nzira dzekugadzira kugadzirisa izvi zvinonetsa uye kugadzira mhinduro dzakasimba.
Mukupedzisa, phthalic anhydride yakakosha kemikari musanganiswa iyo yakakosha muindasitiri yekugadzira. Kushandiswa kwaro kwakasiyana-siyana mukugadzira mapurasitiki, resin, dhayi, mishonga, uye makemikari ekurima anoita kuti ive chinhu chakakosha muzvigadzirwa zvakasiyana zvatinoshandisa muhupenyu hwedu hwemazuva ese. Sezvo indasitiri iri kuramba ichishanduka, zvakakosha kukoshesa kushandiswa kwakasimba uye kwakasimba kwephthalic anhydride kudzikisa zvingangokanganisa hutano hwevanhu uye nharaunda.
Nguva yekutumira: Jan-19-2024
