Mene ne PVC, da kuma abin da yake da tasiri a kan jikin mutum

Mene ne PVC? Wannan abu ne mai polyvinyl chloride. A nasa ne da rukuni na thermoplastics - robobi, wanda bayan samfurin kafa tsari rike da ikon maimaita. PVC net abu da aka hada da 43 kashi ethylene. Sauran 57 cikin dari - An hada chlorine.

PVC abu - abin da yake da shi? Polyvinyl chloride da aka saki a cikin nau'i na foda da aka yi amfani da yawa sassa na tattalin arziki. Mafi shahara samfurin, wanda aka yi amfani da a samar da wannan abu - yana da roba windows. Domin samar da taga profiles a particulate polyvinyl chloride an kara musamman pigments, dattako, da sifofin da kuma wasu Additives. Godiya a gare su, da samfurin zama kusan invulnerable zuwa hasken rana kai tsaye, zazzabi da sauran muhalli dalilai hawa da sauka daga yanayi.

Mene ne PVC? siffofin jikinta

Babban alama na PVC abu - shi ta karfin. A cewar da kaddarorin PVC ne kusan ba hõre nakasawa da sauran inji gajiyan. The sosai wannan mataki na karfin da wannan abu ya dogara da tsarin da macromolecules kazalika da tsarin da polymer.

PVC abu - abin da yake da shi? fasalin

Wannan abu ne halin a matsayin incombustible thermoplastic abu wanda lends kanta da za a machined a kan al'ada inji kayayyakin aiki, da kuma za a iya sauƙi welded da zafi iska a zazzabi na 200-300 digiri Celsius. Bugu da kari, shi zai iya bi don iri daban-daban adhesives (sau da yawa yana nufin perchlorvinyl tushen guduro). Haka kuma, aiki kayan iya bin itace, kankare da karfe kayayyakin. PVC bã ya tsõron na daukan hotuna zuwa nau'o'in acid, kazalika da aliphatic, kuma magni aromatic hydrocarbons. A ƙarfi daga m kuma welds ne game 85-90 bisa dari na da ƙarfin da kayan kanta.

Saboda ta high ƙarfi kuma lankwasawa elasticity polyvinyl babban bukatar tsakanin masunta ke artisanal nuna babba sassa na kadi, kazalika da hunturu kama kifi sanda. Yi ya nuna cewa wadannan kayayyakin ba rasa dũkiyõyinsu ko a yanayin zafi na debe 45 digiri Celsius.

dielectric Properties

Enumerating PVC Properties ne kuma wajibi ne a lura da cewa PVC ne mai kyau insulator (ba gudanar da lantarki ta hanyar kanta). Duk da haka, a lokacin da tsanani da zuwa da zazzabi na 85 digiri Celsius ko fiye aiki abu da sauri hasarar wadannan kaddarorin. Amma ga nauyi, da yawa daga PVC shi ne mafi tsananin fiye da polyethylene, amma wuta fiye ptfe da phenol formaldehyde roba.

High PVC wuta juriya aka samu da yin amfani da a yi wani bangaren kamar chlorine. Wannan ne rage hadarin na flammability wuya PVC.

sinadaran Properties

Kamar yadda muka gani a baya, da PVC ne kusan rigakafi da sakamakon wasu iri acid. Yana gaskiya ne - PVC bai sauya ba da kaddarorin karkashin mataki na alkalis, fetur, kananzir, gishiri mafita, da kuma karafa. Har ila yau, har zuwa 60 digiri Celsius aiki abu ne resistant zuwa hydrochloric da formic acid. PVC ne resistant zuwa hadawan abu da iskar shaka da kuma daukan hotuna zuwa glycerol, fats, kuma glycols. Amma ga barasa, da polyvinyl chloride ba narkewa a ethyl da methyl barasa, mafi girma barasa, kazalika da lubricants da mai. Shin ba m da sakamakon shi da acidic sharar gida da ruwa.

Ina shi amfani?

Mene ne PVC, mun riga samu daga, yanzu bari mu magana game da sassa wannan abu da ake amfani. Polyvinyl chloride ne yadu amfani a samar da m roba zanen gado (ga bango da dabe kayan), fina-finai, m safar hannu da kuma wasu kayan da kayayyakin. M maras plasticized PVC bututu an sanya invulnerable da sakamakon lalata, kazalika da wasu sassa na kofofin da windows. A filin lantarki na kayan amfani ga rufi na wayoyi. Make shi da kyau kamar yadda toys, stationery da kuma kayan wasa. PVC fiber amfani domin yin kama kifi da raga, likita lilin, knitwear kuma daban-daban tace masana'antu yadudduka. Kamar yadda ka gani, PVC da ake amfani a kusan dukkan masana'antu da kuma iyali.

Halaye na PVC kayayyakin

A cikin Rasha kasuwar iya samun irin wannan kayayyakin a mafi PVC:

1. A dabe (a cikin wasu kalmomi - linoleum).
2. Film.
3. PVC bangarori.

A kasa, mu taƙaice dubi kowane daga cikin wadannan iri samfurori da aka jera a sama.

Mene ne PVC-rufi? Wannan shi ne wani surface a cikin abin da musamman PVC tiles, aka yi nufi ga kwanciya da kasa da aka yi amfani da. Akwai iya zama a matsayin mai sauki square, da kuma zane na hadaddun siffar.

PVC fim - abin da yake da shi? A cewar ta Properties, shi ne mai matuƙar m, m da kuma dan kadan stretchy abu. Kamar dukan sauran kayayyakin shi ne resistant zuwa alcohols da kuma acid, amma yana da wani musamman ikon wuce oxygen. Wannan shi ne dalilin da ya sa kwantena, cushe a cikin wannan fim na dogon lokaci ba ya rasa Svoge gabatar.

Mene ne PVC bangarori? Wannan abu, wanda ake amfani da kammala na ceilings da ganuwar a cikin daban-daban da dakuna. Sau da yawa amfani ga cladding ganuwar a kitchen, kuma a cikin gidan wanka.

Kamar yadda polyvinyl chloride rinjayar da jikin mutum?

Roba chloride kanta ne halin a matsayin wani karfi da guba A konewa fitarda mai guba abubuwa. A mutumin, wannan abu yana terato-, carcinogenic da mutagenic sakamako. A sakamakon haka, da yawa nazarin da masana kimiyya ya tabbatar da cewa da tasiri na PVC a kan mutum haddasa ciwon daji a cikin daban-daban gabobin da kyallen takarda (ciki har da kwakwalwa, huhu da kuma hanta), da kuma warware da lymphatic da hematopoietic tsarin. Tare da akai mataki na high yawa na roba chloride iya har ma sa inna na cikin juyayi tsarin har da cikakken lõkacin fatara daga numfashi. Duk da haka, da zamani masana'antun sun dauki la'akari dukkan wadannan kaddarorin, sabili da haka nuna PVC a kan musamman fasahar. Modern kayayyakin na polyvinyl chloride (idan ingantaccen) ba su da irin wannan mummunan tasiri a kan mutum. Saboda haka, domin ba don hadarin da kiwon lafiya a lokacin da sayen PVC kayayyakin kamata kawai amince da duniya shahara masana'antun.

Saboda haka, za mu gano cewa, PVC ne, kuma abin da sakamako yana a kan jikin mutum.