Silicone Inoshamwaridzana Nezvakatipoteredza vs Polyurethane Sealant Chii chinonzi Greener?

Kune akawanda maapplication,Chisimbiso cheSilicone Chinoshamwaridzana Nezvakatipoteredzandiyo sarudzo iri nani. Zvakanakira Silicone zvakatipoteredza zvinobva pakubva kwayo mujecha uye kugara kwayo kwenguva refu. Kuvimba kwepolyurethane nepetroleum kunoita kuti ive nenzvimbo yakakura yezvakatipoteredza. Zvinhu zvese izvi zvine migove yakakura mumusika wekuvaka, zvichiita kuti musiyano uyu uve wakakosha pakuvaka kwenguva refu.

Musika wepasi rose wezvisimbiso zvese zviri zviviri wakakura uye unotarisirwa kukura, zvichiratidza kushandiswa kwazvo.

Kusarudza Silicone Sealant Inodzivirira Kusvibiswa Kwemhepo kunowanzo deredza kukanganisa kwezvakatipoteredza kwenguva refu.

Danho rekutanga rehupenyu: Zvishandiso uye Kugadzira

 

Rwendo rwechisimbiso chinotanga nezvinhu zvachinogadzira. Kwakatangira zvinhu izvi ndiko kunoita musiyano mukuru pakati pesilicone nepolyurethane. Chimwe chinobva muzvinhu zvinonyanya kuwanikwa pasi rose, nepo chimwe chichibva mumafuta efossil asina kukwana.

Silicone: Kubva kuJecha Rakawanda

Zvisimbiso zvesiliconevane mukana wakakura wekuchengetedza nharaunda panguva yekushandisa zvinhu zvakagadziriswa. Chinhu chikuru chavanogadzira isilicon, chinhu chinobva mu silica, iyo ijecha. Pasi redu rine jecha rakawanda uye rakawanda.

Maitiro ekugadzira anoshandura chinhu ichi kuita chisimbiso chakasimba.

Kutanga, vagadziri vanopisa jecha resilica nekabhoni muchoto kuti vagadzire simbi yesilicon.

·Tevere, iyi silicon metal inopindirana nemethyl chloride kuti igadzire ma chlorosilane.

· Pakupedzisira, nzira inonzi hydrolysis inoshandura ma chlorosilane aya kuita ma polymer ekupedzisira e siloxane anoumba musana we silicone sealant.

Maitiro aya anoda simba rakawanda. Zvisinei, kuvimba kwayo nemafuta akawanda asiri ezvisaririra kunoita kuti silicone ive chinhu chinotanga zvakanaka sechinochengetedza zvakatipoteredza.

Polyurethane: Kubva kuOiri Isina Kugadzirwa

Zvivharo zvepolyurethane zvinotevera nzira yakasiyana zvikuru. Idzo ipolymer dzakagadzirwa dzinobva mumafuta asina kucheneswa, chinhu chisingadzokororwe. Kugadzirwa kwepolyurethane kunoenderana nezvikamu zviviri zvikuru zvemakemikari: polyols uye isocyanates. Zvese izvi zvigadzirwa zveindasitiri yepetrochemical.

Kutenderera kwese kwepolyurethane kwakabatana nekubviswa, kucheneswa, uye kugadziriswa kwemafuta efossil. Kuvimba uku kunoita kuti pave nengozi huru yezvakatipoteredza kana tichienzanisa nezvinhu zvinobva mujecha.

Kucheneswa kwemafuta asina kucheneswa kune njodzi dzakanyorwa zvakanaka dzezvakatipoteredza, kusanganisira kukanganiswa kwenzvimbo dzekugara uye kuburitswa kwemhepo inopisa. Kuvimba uku nechiwanikwa chinogumira kunoita kuti mavambo epolyurethane asarambe achienderera mberi seasilicone. Sarudzo pakati pezvinhu izvi padanho rekugadzira isarudzo pakati pehuwandu nekushomeka.

Danho rehupenyu hwese: Kushandiswa & Kurapa: Hutano uye Mhepo Inoshanda

Kushanda kwechisimbiso kunodarika zvinhu zvacho zvekugadzira kusvika pamhando yemhepo nehutano hwevanochiisa. Panguva yekuisa nekupukuta, zvisimbiso zvinoburitsa makemikari mumhepo. Rudzi nehuwandu hwezvinobudisa izvi zvinogadzira musiyano mukuru pakati pesilicone nepolyurethane.

Silicone's Low-VOC Advantage

Zvivharo zvesilicone zvinowanzopa mukana wakakura maererano nehunhu hwemhepo yemukati nekunze. Vagadziri vanogadzira masilicone mazhinji emazuva ano kuti ave nehuwandu hwakaderera hweVolatile Organic Compounds (VOCs). Makemikari aya anogona kukuvadza hutano hwevanhu uye kubatsira mukuumbwa kweutsi. Masangano anotonga akaita seSouth Coast Air Quality Management District (SCAQMD) anoisa mitemo yakasimba yeutsi uhu pasi pemitemo yakaita seRule 1168.

Zvigadzirwa zvakawanda zvesilicone zvemhando yepamusoro zvinosangana nezvinodiwa izvi zviri nyore. Semuenzaniso, zvinovhara zvinoenderana nezvinodiwa zveLEED v4.1 zvinowanzova nehuwandu hweVOC huri pasi pe50 magiramu pa litre (g/L). Zvimwe zvakagadzirwa nehunyanzvizvisimbiso zvesiliconekunyange kusvika padanho riri pasi pe30 g/L. Kusarudza silicone sealant ine VOC yakaderera 100% kunoderedza kuburitswa kwemakemikari anokuvadza, zvichigadzira nzvimbo yakachengeteka kune vese vanoisa zvinhu uye vanogara muchivako.

Njodzi dzePolyurethane's Isocyanate neVOC

Zvivharo zvepolyurethane zvine matambudziko makuru pakushandisa. Makemikoro azvo anosanganisira isocyanates, ayo anobatsira kufema uye kunzwa ganda. Masangano ezvehutano akaita seNIOSH neOSHA akaona njodzi dzakakomba dzine chekuita nemakemikari aya.

Isocyanates ndiyo inonyanya kukonzera asthma yebasa pasi rose. Kusangana nechirwere ichi kunogona kukonzera kutsamwa kwakanyanya kumaziso, ganda, uye nzira dzekufema.

Njodzi dzehutano dzinobva mukusangana ne isocyanate dzakanyorwa zvakanaka:

·Kufema kunogona kukonzera matambudziko ekufema, kuda kurutsa, uye mvura mumapapu.

·Kusangana neganda kunogona kukonzera dermatitis yekubata.

·Kugara uchibatwa nechirwere ichi kakawanda kunogona kukonzera kunzwa kwekusagadzikana, uko kunyangwe kubatwa kushoma kunokonzera allergy yakanyanya senge asthma.

Kunyange hazvo mamwe ma polyurethane sealant akagadzirwa nemaVOC mashoma, kuvapo kwema isocyanates kuchiri dambudziko guru rehutano nekuchengetedzeka. Njodzi iyi inoita kuti mhepo yakachena uye michina yekudzivirira (PPE) ive chinhu chakakosha panguva yekuisa, zvichiwedzera njodzi isingawanzobatanidzwa nemaVOC mashoma esilicone sealants.

Nei Silicone Sealant Inochengetedza Ruzivo Zvichiwanzokunda Kana Ikagara

Kugara kwenguva refu chinhu chakakosha pakuchengetedza zvakatipoteredza. Chivharo chinogara kwenguva refu chinoda kutsiva zvishoma, kuchengetedza zviwanikwa uye kuderedza marara nekufamba kwenguva. Muchikamu chino chakakosha chehupenyu, hunhu hwesilicone hunoipa mukana wakajeka.

Silicone: Inodzivirira UV uye Mamiriro Ekunze Akanyanya

Zvivharo zvesilicone zvinoratidza kusasimba zvakanyanya kune zvinokanganisa nharaunda, kunyanya mwaranzi yeUV uye tembiricha yakanyanya. Kusimba uku kunobva musimba rayo remakemikari resilicon-oxygen. Maumbirwo echinhu chacho haaputsike nyore nyore nechiedza chezuva.

·Nguva Yehupenyu Hurefu: Masilicone emhando yepamusoro-soro anogona kugara kwemakore makumi maviri kana kupfuura pakushandiswa panze, zvichideredza zvakanyanya kuwanda kwekugadzirisa nekutsiva.

·Kugadzikana kweTembiricha: Rabha resilicone rakajairika rinoshanda zvakanaka pakupisa kwakakura, kazhinji kubva -60°C kusvika +230°C (-76°F kusvika +446°F). Rinoramba richichinjika kana richitonhora uye rakagadzikana kana richipisa zvakanyanya.

·Kushanda Kwakaratidza: Zvidzidzo zvesainzi zvinosimbisa kugara kwenguva refu kwesilicone. Mushure memaawa chiuru eUV-A, rabha yesilicone inochengetedza hunhu hwayo hwemakanika zviri nani kupfuura mamwe mapolymer akawanda.

Kushanda kwakasimba uku kunoita kutiChisimbiso cheSilicone Chinoshamwaridzana Nezvakatipoteredzasarudzo yakavimbika yekudzivirira mamiriro ekunze kwenguva refu, kubva pakuvaka mahwindo kusvika kuzvisimbiso zvemahwindo. Kugona kwayo kutsungirira makumi emakore ezuva nemamiriro ekunze kunoita kuti ive chinhu chakasvibira.

Polyurethane: Yakasimba asi Inogona Kukuvadzwa Nezuva

Zvivharo zvepolyurethane zvinozivikanwa nekusimba kwazvo kwekubvaruka uye kuramba kukwesha. Zvinogadzira chisungo chakasimba uye chinogara kwenguva refu. Zvisinei, kusimba uku kunouya nekusasimba kukuru kwezuva. Zvisungo zvemakemikari zve organic zviri mu polyurethane zvinogona kukuvadzwa neUV.

Kusvikwa nezuva kunotanga maitiro emakemikari anotsemura urethane bonds. Kuora uku kunotungamira kune migumisiro isingafadzi yakaita seyero, choko, uye kuumbwa kwezvimedu pamusoro nekufamba kwenguva.

Kuti vakurire kusasimba uku kuripo, vagadziri vanofanira kusimbisa polyurethane sealants nezvinowedzera zvakakosha.

·Zvinodzivirira UV uye zvinonyudza zvinosanganiswa mufomura.

·Zvimwe zvinhu izvi zvinobatsira kudzivirira polymer kubva kuzuva.

·Dai vasina, nguva yekushanda kwechivharo ichi pabasa rekunze yaizova pfupi zvikuru.

Kunyange zvazvo zvinhu izvi zvichivandudza mashandiro azvo, zvinoratidza kusasimba kukuru. Kudiwa kwekugadzira resistance yeUV, pane kuva nayo pachayo, kunoita kuti polyurethane ive nedambudziko pakushandiswa kwesilicone pakushandiswa kwakawanda kunopisa zuva.

Nhanho yechitatu yehupenyu: Kushanda uye Kugara kwenguva refu

Mutengo chaiwo wechinhu chinovhara zvakatipoteredza unoonekwa panguva yekushanda kwacho. Chigadzirwa chikakundikana nguva isati yakwana chinogadzira marara akawanda uye chinoshandisa zviwanikwa zvakawanda kuti chitsiviwe. Saka kugara kwenguva refu inzira yakakosha yekudzivirira kupararira kwechirwere.

Kubatsira Kwezvakatipoteredza Kwekutsiva Zvishoma

Kutsiva zvinhu zvishoma kunoreva kuti pane zvishoma zvingakanganisa nharaunda.Chisimbiso cheSilicone Chinoshamwaridzana Nezvakatipoteredzainobudirira zvikuru munzvimbo iyi. Zvivharo zvesilicone zvemhando yepamusoro zvinogona kushanda kwemakore makumi maviri kana kupfuura, kunyangwe mumamiriro ezvinhu akaoma. Kugara kwenguva refu uku kunoderedza kutenderera kwekubviswa nekushandiswazve. Kutsiva kwega kwega kunodzivisa zvinoreva kuti chivharo chekare hachiendi kunzvimbo yekurasira marara uye kuti zvinhu zvitsva zvisashandiswa nesimba.

Kufunga uku kwenguva refu kunoenderana nemaitiro ekugadzirisa zvinhu nenzira inochengetedza nharaunda. Kudyara mari muzvinhu zvinogara kwenguva refu kubva pakutanga kunodzivirira kugadziriswa kwekukurumidza kunodhura uye kunoda mari yakawanda gare gare.

Padhora rega rega rinoshandiswa pakugadzira macaulking epamusoro-soro uye kuisa zvinhu zvehunyanzvi, varidzi vedzimba vanogona kuchengetedza mari inosvika $4-6 pakugadzirisa mukati memakore gumi anotevera.

Kusarudza chivharo chinogara kwenguva refu inzira yekudyara mari muhutano hwemari uye hwezvakatipoteredza. Zvinoderedza mari yekushandisa kwenguva refu uye zvinochengetedza zviwanikwa zvinokosha.

Kana Kusimba kwePolyurethane Kwakakosha

Kunyange hazvo silicone ichidzivirira mamiriro ekunze zvakanyanya, polyurethane inopa kusimba kusingaenzaniswi kune mamwe mashandisirwo akaomarara. Simba rayo guru rekubvaruka uye kuramba kukweshana kunoita kuti ive sarudzo yakakodzera kune majoini akatwasuka anofamba zvakanyanya. Muzviitiko izvi, kugara kwenguva refu kwepolyurethane kunova mukana wayo mukuru wekuchengetedza zvakatipoteredza.

Zvivharo zvepolyurethane zvakagadzirwa munzvimbo dzinogara dzichitsungirira kushushikana kwemuviri:

·Kuwedzera nekudzora majoini pasi pekongiri

·Flooring yemudura nefekitori

Magaraji ekupaka mota uye nzira dzekupinda nadzo mudzimba

Kushandisa chivharo chisina kusimba munzvimbo idzi dzine vanhu vakawanda kungaita kuti pave nekukasira kukundikana, kuchinjwa nguva nenguva, uye kuraswa kwakawanda. Pakushandisa uku, kugona kwepolyurethane kutsungirira kukweshwa uye kuvharika kunoita kuti igare kwenguva refu, zvichiita kuti ive sarudzo inogara kwenguva refu uko kusimba kwemuchina kuri chinhu chikuru chinodiwa.

Danho rechina rehupenyu: Kuraswa kwekuguma kwehupenyu

Danho rekupedzisira rehupenyu hwesealant nderekuraswa kwayo. Hapana silicone kana polyurethane zvinoora, saka maitiro azvo munzvimbo inorasirwa marara chinhu chakakosha pakufunga nezvezvakatipoteredza. Kugadzikana kwavo kwemakemikari uye mukana wekuti zvidzokororwe zvinogadzira mamiriro akasiyana ekupedzisira kwehupenyu.

Silicone muRailfill

Zvivharo zvesilicone hazvina makemikari. Kugadzikana uku kunoreva kuti hazviputsike kuita zvinhu zvinokuvadza kana kudonhedza chepfu muvhu nemumvura yepasi. Zvisinei, kugadzikana uku kunoita kuti zvirambe zviripo munzvimbo dzakatikomberedza. Mapolymer esilicone anogona kutora makore angangoita makumi mashanu kusvika mazana mashanu kuti aore munzvimbo dzakarasirwa marara, zvichikonzera kuunganidzwa kwemarara kwenguva refu.

Kunyange hazvo marara esilicone achiramba aripo, kusashanda kwawo kunoita kuti asanyanya kuipa munzvimbo inorasirwa marara kana tichienzanisa nemamwe mapurasitiki.

Kudzokorodza silicone mushure mekushandiswa kwacho kwakaoma asi kuri kuwedzera simba. Mhinduro dziri kubuda dzinopa nzira yekuvandudza hupfumi:

·Makambani ane hunyanzvi nevamwe vagadziri vari kutanga kuunganidza zvigadzirwa zvesilicone mushure mekutenga.

·Maitiro epamusoro ekurongedza marobhoti, seamwe ekuGermany, iye zvino ava kugona kuona nekuparadzanisa macartridge esilicone kubva mumarara epurasitiki akasanganiswa.

·Kuvandudzwa kwepfungwa dzekuongorora makemikari uye kupatsanura zvigadzirwa zvakaita segirazi rinodzivirira kupisa kunovavarira kuwana silicone yekushandisa zvakare kana kudzokorodza.

Polyurethane muRailfill

Polyurethane ine njodzi huru yezvakatipoteredza pakupera kwayo. Mambure epolymer akasimba, akabatana anoisimbisa anoitawo kuti zviome kudzokorodza uchishandisa nzira dzemazuva ese. Sezvo polyurethane ichiora zvishoma nezvishoma munzvimbo inorasirwa marara, inogona kuburitsa makemikari ane chepfu. Tsvagiridzo inoratidza kuti kuora uku kunogona kuburitsa zvinhu zvine njodzi, kusanganisira kenza 2,4-diaminotoluene.

Dambudziko rekudzokorodza zvinhu rinowanzoita kuti zvinhu zvisadzokorodzeke, uko zvinorasikirwa nehunhu uye kukosha kwazvo. Zvisinei, vaongorori vari kushingaira kugadzira nzira dzepamusoro dzekugadzirisa izvi.

·Kudzokorodza Makemikari: Maitiro akadai seacidolysis anogona kuputsa polyurethane kuita mamonomer ayo ekutanga, zvichiita kuti ashandiswezve kuita zvinhu zvitsva, zvemhando yepamusoro.

·Kudzokorodza Kushandiswazve Kwemakemikari Mumhepo: Kushandiswa kwePyrolysis kunoshandisa kupisa munzvimbo isina okisijeni kushandura marara epolyurethane kuita magasi anobatsira, mvura, uye zvinhu zvakasimba.

Matekiniki aya matsva ane vimbiso yekushandura polyurethane kubva pachigadzirwa che "shandisa uye rasa" kuita chedenderedzwa.

Kune mapurojekiti mazhinji akajairika, Silicone Sealant Inoshamwaridzana Nezvakatipoteredza ndiyo sarudzo yegirinhi. Kwainobva mujecha, kuburitsa kwayo maVOC mashoma, uye hupenyu hwayo hwakasiyana zvinoita kuti ive shoma pane zvakatipoteredza. Kugara kwenguva refu kwesilicone kunoderedza zvakananga marara kwenguva refu uye kushandiswa kwezviwanikwa, chinhu chikuru muhunhu hwayo hwegirinhi. Kushandisa Silicone Sealant ine VOC shoma inobatsirawo mapurojekiti kuwana zvikwereti pasi pezvitupa zvikuru zvekuvaka zvegirinhi.

·LEED

·BREEAM

· Maguruva eGreen

Kana paine kukuvara kudiki kwezvakatikomberedza, sarudza VOC yakaderera 100%.chisimbiso chesiliconekubva kuvagadziri vanotungamira vakaita saDow, Sika, kana Wacker

Mibvunzo Inowanzo bvunzwa

Ndeipi sealant inonyanya kuchengetedzwa nekuchengetedzwa kwezvakatipoteredza?

SiliconeKazhinji ndiyo sarudzo yakanaka kupfuura dzimwe dzose. Zvakanakira zvayo zvinosanganisira kubva mujecha, kuburitsa kweVOC shoma, uye kugara kwenguva refu. Nguva refu iyi inoderedza marara uye kudiwa kwekutsiva, zvichideredza kukanganisa kwayo nharaunda zvichienzaniswa nepolyurethane ine petroleum.

Polyurethane ndiyo sarudzo yakasvibira here?

Ehe, kune mamwe mashandisirwo anoitwa zvinhu zvakawanda. Kusimba kwepolyurethane kwakakodzera pasi pematura kana nzira dzekupinda nadzo. Kugara kwayo kwenguva refu munzvimbo idzi kunodzivirira kugadziriswa nguva nenguva, zvichiita kuti ive sarudzo inogara kwenguva refu uko kunodiwa kudzivirira kukwesha kwakanyanya.

 

MaVOC ndiwo ega ane chekuita nehutano here nezvinovhara?

Kwete, mamwe makemikari ane njodzi. Zvivharo zvepolyurethane zvine isocyanates, zvinozivikanwa sensitivities zvekufema. Makemikoro aya anokonzera njodzi huru pakushandisa asi asingawanikwe muzvigadzirwa zvakawanda zve silicone zvine VOC shoma, zvichiita kuti silicone ive sarudzo yakachengeteka kune vanoisa.

Ndingagona here kudzokorodza machubhu ekare e sealant?

Nzira dzekudzokorodza marara akamboshandiswa dzichiri kugadzirwa. Dzimwe nzvimbo dzakagadzirwa nevagadziri vari kutanga kugamuchira silicone inoshandiswa mushure mekushandiswa. Vashandisi vanofanira kugara vachibvunza vatungamiriri vekuchengetedza marara vemunharaunda yavo kuti vawane gwara remazuva ano rekurasa marara munzvimbo yavo.