Zosaluka za polyester

Nsalu ya polyester spunbond yopanda nsalu imakhala ndi mphamvu zambiri, kukana kutentha kwambiri (kutha kugwiritsidwa ntchito kwa nthawi yayitali m'malo a 150 ℃), kukana kukalamba, kukana kwa UV, elongation yayikulu, kukhazikika bwino komanso kupuma bwino, kukana dzimbiri, kutsekereza phokoso, kukana njenjete, komanso kusakhala kawopsedwe.

Makhalidwe azinthu zakuthupi

1. Ulusi wa poliyesitala umakhala ndi makwinya abwino kwambiri, kusungunuka, ndi kukhazikika kwa mawonekedwe, komanso mphamvu zabwino zotchinjiriza magetsi. Zimalimbana ndi kuwala kwa dzuwa, kugundana, nkhungu, ndi kuwola. Amakhalanso ndi kukana kwabwino kwa ma reagents amankhwala ndipo amatha kupirira ma acid ofooka ndi alkalis.

2. Pa kutentha kwa firiji, imakhala ndi mphamvu yolimbana ndi ma asidi osungunuka ndi amphamvu, koma osakanizidwa ndi alkalinity yamphamvu.

3. Kupaka utoto kwa ulusi wa poliyesitala ndi kosakwanira, ndipo nthawi zambiri kumafunika kudayidwa ndi utoto wobalalika pa kutentha kwambiri kapena pamaso pa zonyamulira.

Kugwiritsa ntchito nsalu za polyester zopanda nsalu

1. Amagwiritsidwa ntchito kukongoletsa m'nyumba, nsalu zoyambira pa carpet, nsalu zamakampani opanga mankhwala, fluff, lining, etc.

2. Amagwiritsidwa ntchito pomanga, kutsekereza madzi padenga kumagwira ntchito ngati nsalu yoyambira, yokhala ndi mchenga, simenti, ndi zina zomwe zimaphatikizidwapo kuti zisawonongeke mchenga.

3. Amagwiritsidwa ntchito pomanga, ndi muyeso wotengedwa kuti ateteze ming'alu.

4. Malinga ndi ukalamba ndi kutentha kwapamwamba kukana kukana kwa nsalu za spunbond zosalukidwa, zimagwiritsidwa ntchito kwambiri muzovala zapakhomo, zipangizo zophatikizika, zipangizo zonyamula katundu, etc. Kusindikiza kwa kutentha kwakukulu kumagwiritsidwa ntchito popanga nsalu zapamwamba komanso zotsika mtengo; Ndipo chifukwa cha kukana kwake kukalamba; Odziwika kwambiri ndi ogula.

Msika wa nsalu za polyester spunbond zopanda nsalu

Kugwiritsa ntchito ma geotextiles m'maiko akunja kudayamba kumayambiriro kwa zaka za m'ma 1960. United States ndiye dziko lomwe limagwiritsa ntchito kwambiri ma geotextiles padziko lonse lapansi. Kumayambiriro kwa zaka za m'ma 1990, kugwiritsidwa ntchito kwake pachaka kunali kopitilira 300 miliyoni masikweya mita, ndipo m'zaka zaposachedwa, kugwiritsidwa ntchito kwake kwafika pa 700 miliyoni masikweya mita. Ma geotextiles ku Europe ndi Japan adakulanso mwachangu, ndikugwiritsa ntchito pachaka pafupifupi masikweya mita 400 miliyoni mzaka zaposachedwa. Pakati pawo, nsalu za spunbond nonwoven zimakhala pafupifupi 60% za geotextiles zopanda nsalu; Pambuyo pazaka zapakati pa 1990, Japan idawona kuwonjezeka kwakukulu pakugwiritsa ntchito geotextiles. Pakati pa ma geotextiles a ku Japan osawomba, kugwiritsa ntchito njira ya spunbond ndikokulirapo, komwe kumatenga pafupifupi 60% ya kuchuluka konse kwa ma geotextiles osawomba, komanso makamaka nsalu ya PET spunbond.

Geotextile m'dziko lathu inayamba kumayambiriro kwa zaka za m'ma 1980, koma ndalama zomwe zimagwiritsidwa ntchito zinali zochepa kwambiri panthawiyo, ndipo zinali zongoyesera. Sizinali mpaka kusefukira kwa chigumula cha 1998 pomwe boma lidachita chidwi ndi izi, ndipo dipatimenti yomanga idaphatikizanso kugwiritsa ntchito ma geotextiles pamapangidwe ake ndikupanga miyezo yoyenera yadziko yomwe ma geotextiles adapeza chidwi ndi chitukuko. Pakadali pano, kugwiritsidwa ntchito kwa geotextiles ku China kwadutsa masikweya mita 300 miliyoni, ndipo ma geotextiles osalukidwa amakhala pafupifupi 40% yazinthu zonse. Ntchito yomanga zomangamanga ku China ili ndi msika waukulu womwe ungakhalepo, womwe ndi wocheperapo kuposa momwe 700-800 miliyoni masikweya mita akugwiritsidwira ntchito ku United States. Akatswiri akuyerekeza kuti ma geotextiles aku China apitilira kukula pawiri pazaka 15 zikubwerazi, pomwe ma PET spunbond filament geotextiles akuwonetsa kukula mwachangu.