Ihe niile I Kwesịrị Ịma Banyere Polyvinyl Chloride (PVC) Plastic

Polyvinyl chloride (PVC) bụ otu n'ime ihe ndị na-ekpo ọkụ na-ekpo ọkụ na-ejikarị eme ihe n'ụwa niile. Amara maka ịdịte aka ya, ikike ya, na iguzogide ihe gburugburu ebe obibi, PVC na-eji ya n'ọrụ dị iche iche, site na owuwu ruo na ahụike. N'isiokwu a, anyị ga-enyocha ihe PVC bụ, njirimara ya, ihe eji eme ya, na ọtụtụ ndị ọzọ.

Kedu ihe bụ Polyvinyl Chloride (PVC)?

Polyvinyl chloride (PVC) bụ polymer sịntetik nke emere site na polymerization nke vinyl chloride. Emebere ya nke mbụ na 1872 wee malite mmepụta azụmahịa na 1920 site n'aka ụlọ ọrụ BF Goodrich. A na-ejikarị PVC eme ihe na ụlọ ọrụ ihe owuwu, mana ngwa ya na-agbatịkwa akara, nlekọta ahụike, textiles na ndị ọzọ.

PVC dị n'ụdị mbụ abụọ:

1. PVC siri ike (uPVC)- PVC na-enweghị plastik bụ ihe siri ike, nke na-adịgide adịgide nke a na-eji na plumbing, windo windo, na ngwa nhazi ndị ọzọ.
2. PVC na-agbanwe agbanwe- Gbanwee na plasticizers, PVC na-agbanwe agbanwe dị nro, na-ehulata ma na-ejikarị ya na ngwaahịa dị ka mkpuchi waya eletriki, ala ala, na tubing na-agbanwe agbanwe.

Njirimara nke Polyvinyl Chloride (PVC)

Ngwongwo PVC na-eme ka ọ bụrụ ihe kachasị amasị maka ọtụtụ ngwa:

• Njupụta: PVC dị oke karịa ọtụtụ plastik ndị ọzọ, nwere nnukwu ike dị gburugburu 1.4.
• Ịdị ogologo: PVC na-eguzogide mmebi site na gburugburu ebe obibi, kemịkalụ, na ụzarị UV, na-eme ka ọ dị mma maka ngwaahịa na-adịte aka.
• Ike: PVC siri ike na-anya isi ike na ike siri ike, ebe PVC na-agbanwe agbanwe na-ejigide mgbanwe na ike.
• Nrụgharịgharị: PVC dị mfe ịmegharị ma mara ya site na resin code "3," nke na-akwado nkwado.

Njirimara igodo nke PVC

• Okpomọkụ na-agbaze: 100°C ruo 260°C (212°F ruo 500°F), dabere na mgbakwunye.
• Ike ọdụdọ: PVC na-agbanwe agbanwe sitere na 6.9 ruo 25 MPa, ebe PVC siri ike dị ike na 34 ruo 62 MPa.
• Ntugharị ọkụ: PVC nwere ike iguzogide okpomọkụ ruo 92°C (198°F) tupu emewe ya.
• Nguzogide corrosion: PVC na-eguzogide ọgwụ na alkalies nke ukwuu, na-eme ka ọ bụrụ nhọrọ na-adịgide adịgide maka ụlọ ọrụ dị iche iche.

Ụdị PVC: siri ike vs. Mgbanwe

PVC dị na mbụ n'ụdị abụọ:

1. PVC siri ike(uPVC): Ụdị a siri ike ma na-ejikarị eme ihe na ngwa owuwu dị ka ọkpọkọ ọkpọkọ na siding. A na-akpọkarị ya "vin
2. PVC na-agbanwe agbanwe: Enwetara site na ịtinye plasticizers, a na-eji PVC na-agbanwe agbanwe na ngwa ebe a na-ehulata ma ọ bụ mgbanwe dị mkpa, dị ka mkpuchi maka eriri eletriki, ngwaọrụ ahụike, na ala ala.

Kedu ihe kpatara eji PVC eme ọtụtụ oge?

Ihe ewu ewu PVC sitere na yaọnụ ala, nnweta, naọtụtụ ihe onwunwe. A na-akwado PVC siri ike maka ngwa nhazi n'ihi ike ya na ịdịte aka ya, ebe PVC dị nro na ngbanwe na-eme ka ọ dị mma maka ngwaahịa chọrọ ịgbagọ, dị ka tubing ahụike ma ọ bụ ala ala.

Kedu ka esi emepụta PVC?

A na-emepụta PVC site na otu n'ime ụzọ polymerization atọ:

• polymerization nkwusioru
• Emulsion polymerization
• Nnukwu polymerization

Usoro ndị a na-agụnye polymerization nke vinyl chloride monomers n'ime polyvinyl chloride siri ike, nke enwere ike ịhazi ya na ngwaahịa dị iche iche.

PVC na Mmepe Prototype: CNC Machining, 3D Printing, na Injection Molding

Ọ bụ ezie na PVC bụ ihe a ma ama na ụlọ ọrụ dị iche iche, ọ na-eweta ụfọdụ ihe ịma aka ma a bịa n'ichepụta na imepụta ihe:

• Ụlọ ọrụ CNC: Enwere ike ịkpụ PVC site na iji igwe CNC, mana ọ na-emebi emebi ma na-emebi emebi, yabụ achọrọ akụrụngwa pụrụ iche (dị ka ndị na-egbutu igwe anaghị agba nchara) iji gbochie ịkwa akwa na akwa.
• Mbipụta 3D: A naghị eji PVC eme ihe maka mbipụta 3D n'ihi ọdịdị na-emebi emebi. Ọzọkwa, ọ na-ekupụ gas na-egbu egbu mgbe a na-ekpo ọkụ, na-eme ka ọ bụrụ ihe na-adịghị mma maka nzube a.
• Ịkpụzi injection: PVC nwere ike ịbụinjection kpụrụ, ma usoro a na-achọ ezigbo ventilashion na ngwá ọrụ na-eguzogide corrosion n'ihi mwepụta nke gas na-emerụ ahụ dị ka hydrogen chloride (HCl).

PVC ọ na-egbu egbu?

PVC nwere ike hapụ yauzuoku nsimgbe a na-agba ọkụ ma ọ bụ na-ekpo ọkụ, karịsịa na ntọala ụlọ ọrụ dịka mbipụta 3D, CNC machining, na ịkpụzi injection. Ihe nwere ike ibunye gas na-emerụ ahụ dị kachlorobenzenenahydrogen chloride, nke nwere ike ibute ahụike. Ọ dị mkpa iji ezigbo ventilashị na akụrụngwa nchebe n'oge nhazi.

Uru nke PVC

• Ọnụ-dị irè: PVC bụ otu n'ime plastik kachasị ọnụ ahịa dị.
• Ịdị ogologo: Ọ na-eguzogide mmetụta, kemịkalụ, na mmebi gburugburu ebe obibi.
• Ike: PVC na-enye ike tensile dị egwu, ọkachasị n'ụdị siri ike ya.
• Ntughari: PVC nwere ike ịkpụzi, bee, ma mepụta ya n'ọtụtụ ngwaahịa, na-eme ka ọ gbanwee maka ngwa dị iche iche.

Ọdịmma nke PVC

• Mmetụta okpomọkụ: PVC nwere nkwụsi ike na-ekpo ọkụ na-adịghị mma, nke pụtara na ọ nwere ike ịdaba ma ọ bụ mebie na okpomọkụ dị elu ọ gwụla ma agbakwunyere stabilizers n'oge mmepụta.
• Ihe na-egbu egbu: Mgbe ọkụ ma ọ bụ gbazee, PVC na-ebupụta uzuzu na-emerụ ahụ, na-achọ njikwa nlezianya na usoro nchekwa.
• Ọdịdị na-emebi emebi: PVC nwere ike imebi ngwaọrụ na akụrụngwa igwe ma ọ bụrụ na ejirighị ya nke ọma.

Mmechi

Polyvinyl chloride (PVC) bụ ihe na-enweghị atụ nke na-enye nguzozi dị mma nke ike, ike na iguzogide ihe gburugburu ebe obibi. Ụdị ya dị iche iche, siri ike ma na-agbanwe agbanwe, na-enye ohere ka e jiri ya mee ihe n'ọtụtụ ụlọ ọrụ, site na owuwu ruo na ahụike. Otú ọ dị, ọ dị mkpa ịghọta ihe ize ndụ ahụike na ihe ịma aka dị na nhazi PVC, karịsịa banyere ihe ndị na-emepụta ya na ọdịdị na-emebi emebi. Mgbe a na-edozi ya nke ọma, PVC bụ ihe bara uru nke na-aga n'ihu na-arụ ọrụ dị oke mkpa n'ichepụta na ihe owuwu nke oge a.