Chii chinonzi Closed-Cell Polyurethane Foam?
Foam yepolyurethane inoputirwa nemasero akavharwa imhando yezvinhu zvinodzivirira kupisa zvine simba, zvinochengetedza simba uye zvinodzivirira hunyoro zvakanyanya, saka zvinoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana. Foam iyi ine maburi akavharwa akazadzwa nemagasi anodzivirira kupisa (anonzi ma blowing agents) anobatsira kuchengetedza kupisa mukati memaburi. Maumbirwo emasero akavharwa anovandudza mashandiro ekupisa uye isarudzo yakanaka kwazvo yekushandisa insulation inochengetedza simba.
Chimwe chezvakanakira zvikuru zvefuro repolyurethane remaseru akavharwa ndechekuti rine huremu hwakawanda, izvo zvinoita kuti rirambe richidzivirirwa nemvura zvakanyanya. Huremu uhwu hunoriita kuti rive chidziviriro chehunyoro chinoshanda, icho chakakosha munzvimbo dzakanyorova dzakadai seattics, crawl Spaces, uye basement. Nekuti furo remaseru akavharwa rinoita kuti pave nechisimbiso chemhepo, rinoderedza njodzi yekupinda kwehunyoro, nokudaro richideredza kukura kwefungus, izvo zvinovandudza kunaka kwemhepo mumba uye zvinobatsira kuti pave nenzvimbo ine hutano yekugara.
Nzvimbo dzekushandisa Polyurethane Catalysts muClosed-Cell Foam
Zvishandiso zvePolyurethane zvinoita basa rakakosha mukugadzirwa kwemafuro emasero akavharwa nekudzora mashandiro emakemikari anogadzira hunhu hwakasiyana hwemafuro. Zvishandiso zvakaita seMXC-C15 neMXC-37 zvinobatsira kuwana hunhu hwakasiyana hwekushanda hunogonesa mafuro emasero akavharwa kushandiswa mukuvaka nekudzivirira kupisa.
MXC-C15(3,3′ -iminobis (N, n-dimethylpropylamine), CAS nhamba 6711-48-4, chinhu chinobatsira amine chisina hwema, chisina kuburitsa mweya chinogona kusarudza zvishoma maitiro eurea (isocyanate-water). Chinhu ichi chinotsigira kugadzika kwakanaka mumasisitimu akaomarara epolyurethane, zvichiita kuti ive sarudzo yakakura yekushandiswa inoda hunhu hwakagadzikana uye hunofambira mberi hwekupisa. Hunhu hwayo hunobatsira kushandiswa mumafuro emasero akavharwa ekudzivirira denga, masisitimu emadziro nedzimwe nzvimbo uko kugara kwenguva refu uye kuramba hunyoro zvakakosha.
MXC-37(2-(2-(dimethylamino)ethoxy)ethanol, CAS Nhamba 1704-62-7), inozivikanwawo seDMAEE, imushonga unoshanda zvakasiyana-siyana, une amine catalyst shoma ine furo rakawanda. Nekuda kwekushanda kwayo mukugadzira mafoam ane mvura yakawanda, MXC-37 inonyanya kukodzera kugadzira furo remvura shoma, rinopfurwa nemvura. Iyi catalyst inoderedza hwema hweamine hunowanikwa mumafoam uye inowedzera kusimba kwechimiro chefuro, zvichiita kuti rive rinobatsira mukushandiswa kwefuro risina hwema. Kushandiswa kwayo kwakakura kunosanganisira furo rakapfava, elastomers, uye furo rakasimba pakurongedza, zvichibatsira kuwana kugadzikana uye simba muzvigadzirwa zvinoda kuwedzera kwakaringana uye kugadzikana.
Mabhenefiti eFoam yeMaseru Akavharwa uye Polyurethane Catalysts
Foam yepolyurethane ine masero akavharwa ine simba rakanaka rekudzivirira kupisa uye hunyoro, uye zvinhu zvakaita seMXC-C15 neMXC-37 zvinotsigira kugadzirwa kwayo zvakanaka uye kushanda kwayo kwakasimba. Pamwe chete, zvinhu izvi zvinoita kuti foam yemasero akavharwa ive sarudzo munzvimbo dzinodiwa kushanda kwekupisa kwakavimbika uye kugara kwenguva refu.
Nguva yekutumira: Mbudzi-05-2024