Zotsatira za Kutentha Kutentha Pazinthu za PVC: Kukaniza Kutentha, Kukonzekera, Kuwonekera

Pepalali likuwunika momwe zowongolera kutentha zimakhudzira zinthu za PVC, molunjikakutentha kukana, processability, ndi kuwonekera. Posanthula zolemba ndi data yoyesera, timawunika kuyanjana pakati pa zokhazikika ndi utomoni wa PVC, ndi momwe zimapangidwira kukhazikika kwamafuta, kupanga kosavuta, ndi mawonekedwe a kuwala.

1. Mawu Oyamba

PVC ndi thermoplastic yomwe imagwiritsidwa ntchito kwambiri, koma kusakhazikika kwake kwamafuta kumalepheretsa kukonza.Kutentha stabilizerschepetsani kuwonongeka pakatentha kwambiri komanso kukhudza kusinthika ndi kuwonekera - ndizofunika kwambiri pamapulogalamu monga kulongedza ndi makanema omanga.

2. Kutentha kwa kutentha kwa Stabilizers mu PVC

2.1 Njira Zokhazikika

Ma stabilizer osiyanasiyana (otsogolera,calcium - zinc, organotin) amagwiritsa ntchito njira zosiyanasiyana:

kutsogolera - zochokera: Yankhani ndi ma atomu a labile Cl mu unyolo wa PVC kuti apange malo okhazikika, kupewa kuwonongeka.
Calcium - zinc: Phatikizani asidi - kumanga ndi kwakukulu - kutaya.
Organotin (methyl/butyl malata): Gwirizanitsani ndi maunyolo a polima kuti muletse dehydrochlorination, kupondereza bwino kuwonongeka.

2.2 Kuwunika Kukhazikika kwa Matenthedwe

Mayesero a Thermogravimetric (TGA) amasonyeza organotin - PVC yokhazikika ili ndi nthawi yoyambira yowonongeka kuposa machitidwe a calcium - zinc. Ngakhale zokhazikika zokhazikitsidwa ndi lead zimapereka kukhazikika kwanthawi yayitali munjira zina, zovuta zachilengedwe/zaumoyo zimaletsa kugwiritsidwa ntchito.

3. Processability Zotsatira

3.1 Sungunulani Flow & Viscosity

Ma Stabilizer amasintha khalidwe la PVC losungunuka:

Calcium - zinc: Itha kuonjezera kusungunuka kwa kukhuthala, kulepheretsa jekeseni / jekeseni.
Organotin: Chepetsani mamasukidwe akayendedwe osalala, otsika - ocheperako - abwino pamizere yothamanga kwambiri.
kutsogolera - zochokera: Kusungunuka kwapang'onopang'ono koma mazenera ang'onoang'ono okonza chifukwa cha mbale - kuopsa kwa ngozi.

3.2 Kupaka mafuta & Kutulutsa Mold

Ma stabilizer ena amagwira ntchito ngati mafuta:

Calcium - Zinc formulations nthawi zambiri imakhala ndi mafuta amkati kuti apititse patsogolo kutulutsa nkhungu mu jekeseni.
Organotin stabilizers amathandizira PVC - kuyanjana kowonjezera, mosalunjika kumathandizira kusinthika.

4. Zokhudza Kuwonekera

4.1 Kuyanjana ndi Mapangidwe a PVC

Kuwonekera kumadalira kubalalika kwa stabilizer mu PVC:

Chabwino - omwazika, ang'onoang'ono - tinthu ta calcium - zinc stabilizers amachepetsa kufalikira kwa kuwala, kusunga kumveka.
Organotin stabilizerskuphatikiza mu unyolo wa PVC, kuchepetsa kupotoza kwa kuwala.
Ma stabilizers opangidwa ndi lead (akuluakulu, osagawanika mosiyanasiyana) amayambitsa kuwala kolemera, kutsitsa kuwonekera.

4.2 Mitundu ya Stabilizer & Transparency

Maphunziro ofananirako akuwonetsa:

Organotin - Makanema okhazikika a PVC amafikira> 90% kutumiza kuwala.
Calcium - zinc stabilizers amapereka ~ 85-88% transmittance.
Ma stabilizers opangidwa ndi lead amachita moyipa kwambiri.

Zowonongeka monga "maso a nsomba" (omangidwa ndi khalidwe lokhazikika / kubalalika) kumachepetsanso kumveka-zokhazikika - zapamwamba zimachepetsa izi.

5. Mapeto

Zowongolera kutentha ndizofunikira pakukonza kwa PVC, kupanga kukana kutentha, kukhazikika, komanso kuwonekera:

kutsogolera - zochokera: Perekani kukhazikika koma muyang'ane ndi chilengedwe.
Calcium - zinc: Eco - yochezeka koma ikufunika kukonza bwino / kuwonekera.
Organotin: Excel m'magawo onse koma amakumana ndi zovuta zamitengo / zowongolera m'magawo ena.

Kafukufuku wam'tsogolo akuyenera kupanga zokhazikika zomwe zimagwirizanitsa kukhazikika, kukonza bwino, komanso mawonekedwe owoneka bwino kuti akwaniritse zofuna zamakampani.