Wannan labarin ya zaba, Ba, aa a matsayin monomers, da kuma tattauna abubuwan da aka fifita su, kamar yadda sauran monomer, kuma gano mafi kyawun yanayin aikin polymeriations. The roba ta fara santancect, sai a shafa kuma a narkar da sauran gauraye at 70 ~ 80 ° C, sannan kuma an ƙara ber na farko a cikin batches. The first monomer MMA dissolved with BOP is added at 80~90°C for 20 minutes, and then added with the second monomer of BPO, after another 20 minutes, add the third monomer at 84~88 ℃ and stir for 45 minutes, keep Dumi na 1.5 ~ 2 hours, sannan a sami cr / mma-ba-ba-AA uku-Wrey graft polemerization mai girma, b seegra ƙarfi ya fi Cr / MMA-Ba, darajar ta 6.6 kn.m-1.
Kalmomi masu mahimmanci: Manne mai kyau, mai takalmin takalmin, kayan haɗin da yawa da aka girgiza suprene m.
Pel etherMCdaHpmChave good dispersion performance, emulsification, thickening, adhesion, film formation, water retention, and also have excellent water solubility, surface activity, stability, and dissolution in organic solvents.
The main products currently developed are RT series MC and HPMC varieties, whose grades are 50RT (Methylcellulose), 60RT (Hydroxypropylmethylcellulose), 65RT (Hydroxypropylmethylcellulose), 75RT (Hydroxypropylmethylcellulose), corresponding to the grades of DOW Chemical Company are Methocel A, E, F da k, bi da bi.
RTE Sadar samfurori suna da ƙari mai amfani sosai a cikin kayan gini saboda haɗin su, dakatar da zaman lafiya da riƙewar ruwa. Misali, ana iya tsara su cikin babbar-mai inganci bango da bango na bene "wanda aka fi sani da foda na roba, wanda aka yi amfani da shi a cikin tashar jirgin ƙasa na yamma, sakamakon yana da kyau. Bugu da kari, ana iya amfani dashi azaman mai amfani da wutan lantarki a cikin kayan aikin lantarki da kuma aal lu'ulu'u a cikin kayan aikin cuta, kuma a matsayin zoben lu'ulu'u don emulsions na ruwa. A cikin marix fenti da zane-ruwa mai narkewa, ana iya amfani dashi azaman wakili na fim, da sauransu na adherion bango, ruwa sake kunnuwa, da sauransu.
Kalmomi masu mahimmanci: Methyl Sel Prof, Sel Selel, Elive, aikace-aikace.
Ci gaban filastik mai ruwa na ruwa na ruwa
A cikin 'yan shekarun nan, sabon tsari na fim din da aka buga da aka buga a rubuce rubucen da aka buga. Yana da fina-finai (Bixiallly orried polypolylene fim) mai rufi tare da adhhen sannan a haɗa tare da silinda na roba da dumama don samar da takarda. / Filastik 3-in-1 Buga. Wannan ya shafi matsalar takarda da haɗin filastik. BOPP abu ne wanda ba mai amfani ba, sabili da haka, akwai buƙatar don m wanda ke da kyakkyawan ma'ana ga duka polar da abubuwan da ba powar ba.
Haɗuwa sbs m da epoxy resin yana da dacewa mai kyau. SBS shine Elcose Viscose. Ana iya ganinsa daga gazawar ta da za a iya inganta ƙarfin lalacewa ta viscose, ya kamata a sarrafa shi a cikin SBS: Epoxy guduro = 2: 1. Daga kwasfa bel curve, ana iya ganin cewa lokacin da rabo ya yi yawa, ƙarar ƙwaya za ta kasance mai girma, amma m kuma zai kuma ƙara. In order to avoid adhesion, SBS: epoxy resin = 1:1~2.5:1 can be controlled to obtain a gently rising peel strength. La'akari da cikakken bayani, tantance sbs a cikin babban manne: Epoxy guduro = 1: 1 ~ 3.5: 1.
Babban aikin ta amfani da resactifying resin shine don ƙara ƙarfin ƙarfin matrix kuma inganta rashin ƙarfi na manne da kuma bawan. Resarin da aka yi amfani da shi a cikin wannan binciken wanda aka yi amfani da shi a cikin Tactifier ne na Rosin da kuma ragi a cikin rikice-rikice daban-daban. Ta hanyar gwaje-gwaje da yawa, an gama da cewa adadin ragi a cikin Tactifier shine 22.5%, kuma ƙarfin peeling na manne ne 1.59n / 25mm / filastik (filastik-filastik).
Yawan ta Tactifier yana da wani tasiri a kan kayan adon. Mafi kyawun sakamako shine lokacin da rabo na babban manne da kuma Tactifier shine 1: 1. Kwasfa karfin N / MM filastik-filastik 1.4, filastik-filastik 1.6.
A cikin wannan binciken, an yi amfani da MMA a matsayin wanda ya yi amfani da shi a cikin SBs da MMA. Gwaje-gwaje sun gano cewa amfani da MMA ba kawai zai iya cimma manufar kinkawar a cikin Colloid ba, har ila yau, ku rage danko da haɓaka ƙarfin ƙarfi. Saboda haka, MMA shine madaidaicin daidaitaccen tsari. Bayan gwaje-gwajen, adadin MMA da aka yi amfani da shi shine adadin adadin manne 5% ~ 10% ya dace.
Tun da sananniyar viscose ya kamata ya zama ruwa mai narkewa, mun zabi farin marix (polyvinyl acetate emulsion) kamar yadda mai ɗaukar ruwa mai narkewa. Adadin asusun latex latex na 60% na jimlar viscose. Bayan da viscose ruwa ya zama emulsified cikin yanayin ruwa-emulsion ta hanyar watsawa da kuma emulsification na emulsification ba ya dace da amfani, ana iya diluted da ruwa. Hanyar diliyya ita ce mafi ƙarancin farashi da marasa guba (babu buƙatar amfani da kayan haɗin gwiwar), kuma mafi kyawun ruwan dilution shine 10% ~ 20%.
Don cire ragowar viscose, ana gwada shi wanda ke narkar da mafita azaman wakili mai kyau, kuma tasirin shine mafi kyau. Ka'idar tasirin da wakilin alkalizing na iya zama cewa sapingation na gabatar da wasu karfi poluly, kamar yadda End Insolle RoSolle ne cikin gishirin sodium gishiri. Bugu da kari, idan an ƙara ingantaccen tushe ga manne, ƙarfin mayaƙan m, saboda manne ba ya kasawa, saboda haka manne bai dace da yanayin alkaline ba.
Tsari da ya dace.
Lokaci: APR-25-2024