Polyvinyl chloride (PVC) Ihe mkpuchi ntụ ntụ - Mepụta, ngwa, ntinye

Akwụkwọ a na-atụle mmepe nke polyvinyl chloride.PVC) mkpuchi ntụ ntụ n'ụlọ na ná mba ọzọ, na-ewebata usoro bụ isi, nkà na ụzụ nkwadebe na ntinye ọrụ nke PVC mkpuchi ntụ ntụ, ma mee ka ntinye dị mkpa na ntinye ya na mgbochi corrosion na ịchọ mma nke ọkpọkọ ígwè.

Okwu mmalite

Ihe mkpuchi ntụ ntụ bụ ụdị ntụ ntụ siri ike 100%. Ọ dị iche na mkpuchi na-ekpuchi ihe na-eme ihe n'ozuzu ya na mkpuchi mmiri na-agbaze, ọ bụghị ka ihe mgbaze ma ọ bụ mmiri dị ka mgbasa ozi, ma site n'enyemaka nke ikuku dị ka mgbasa ozi. N'oge gara aga decade, ndị ọchịchị nke ụwa na-emepụta coatings ụlọ ọrụ na ụlọ ọrụ mere site na gburugburu ebe obibi mmetọ na-amụba anya, wusiri mmachi na ojiji nke ihe mgbaze. N'ọgwụgwụ nke iri asatọ na Europe na United States na mkpuchi n'ichepụta, mmepụta, ihe owuwu ngwa na-mmachibidoro nke ọma iji ihe mgbaze na emissions, akụkụ ụfọdụ nke United States nakwa n'ụdị iwu kpọsara ihe mgbaze iji mmachi, ndokwa nke dị ka 66. akụkọ, na Europe na United States weputara ebumnobi "atọ E":

(1) Mgbanwe Ecology
(2) Nchekwa ike
(3) Uru Akụ na ụba

N'okwu a, mkpuchi ntụ ntụ enwetawo mmepe ngwa ngwa n'ihi ọdịdị na-enweghị mmetọ ha, nnukwu ojiji nke akụrụngwa, na ọtụtụ uru. Kpọmkwem na Western Europe na North America, ọnụego uto nke ntụ ntụ kwa afọ ruru 10%. Ọzọkwa, n'ime afọ ndị na-adịbeghị anya, China ahụwokwa mmụba dị ịrịba ama kwa afọ nke 100% maka mkpuchi ntụ ntụ.

Polyvinyl chloride (PVC) Ihe mkpuchi ntụ ntụ na-amasị ndị ọrụ karịsịa n'ihi ihe ịchọ mma ha pụrụ iche yana ihu igwe na nguzogide corrosion. Ugbu a, PVC mkpuchi ntụ ntụ A na-etinye ya n'ọrụ n'ọtụtụ ebe dị iche iche gụnyere nchebe USB na ọkpọkọ ígwè, ọkpọkọ corrosion na-eguzogide ọgwụ, ọwa mmiri drainage, ọkpọkọ maka mmanụ ala na ụlọ ọrụ kemịkalụ, akara okporo ụzọ, okporo osisi ọkụ, okporo ụzọ nchebe wdg.

Usoro mmepe

1.Basic usoro nke PVC ntụ ntụ

PVC A na-eme mkpuchi ntụ ntụ PVC resin dị ka ihe ndabere nwere plasticizer, stabilizer, filler na ihe mgbakwunye ndị ọzọ. E gosipụtara usoro nke isi na Tebụl (Acha ọcha).

2.Preparation Technology nke PVC ntụ ntụ

Usoro nkwadebe nke PVC mkpuchi ntụ ntụ, a na-egosi usoro ya na Figure.

3.Product Performance Analysis Test Results

Mgbe repeated nyocha na mmepe, ule, na tụnyere ibubata ngwaahịa, ụfọdụ n'ime arụmọrụ nke PVC mkpuchi ntụ ntụ mechara rute ma ọ bụ ọbụna gafere arụmọrụ nke ngwaahịa ndị a na-ebubata n'ụdị, lee tebụl.

Ngwa nke PVC Ọkpụkpọ Steel Ekpuchiri ntụ ntụ

PVC ihe nkiri mkpuchi ntụ ntụ bụ steeti thermoplastic ọkara siri ike. E jiri ya tụnyere polyethylene, okpomọkụ na-agbaze na ọdịiche dị iche iche nke ire ere dị ntakịrị, ya mere mgbe ejiri ya mee ihe kwesịrị ịṅa ntị nke ọma na okpomọkụ na oge. N'ihi nkwụsị ya na-adịghị mma, tupu ịtinye, ọ dị mkpa ka a na-ekpuchi ya na oyi akwa nke primer iji mee ka adhesion nke mkpuchi ahụ dịkwuo elu.

1.The isi Njirimara nke mkpuchi

• PVC ngwaahịa mkpuchi ntụ ntụ na-agụnye: ihe ịchọ mma ime ụlọ na ákwà mgbochi mmiri, tankị kemịkalụ, ala, ihe nkiri mkpuchi mkpuchi, eriri ubi na mkpuchi waya.
• Usoro nhazi ahụ na-anakọta ngwakọta akọrọ, ịkpụzi injection, ịkpụzi oghere oghere extrusion, calendering, na mmiri mmiri bed itinye aka.
• Ọkụ retardant (agbakwunyere ire ọkụ)
• Mmiri na mmiri na-eguzogide ọgwụ, ezigbo nkwụsị ịka nká.

2.Main ewu usoro na ngwa ngwa

PVC A na-ejikarị mkpuchi ntụ ntụ mee ihe na nchara ígwè, ebe nchekwa oyi, ngwá ụlọ ígwè, ọkpọkọ ígwè na ihe ndị ọzọ. Usoro mkpuchi bụ tumadi dị ka ndị a:

(1) Ọgwụgwọ mbụ: ọgwụgwọ phosphate - iwepụ nchara, phosphating.
(2) Mkpuchi nke mbụ: gbanye primer, mgbe ihichachara, ọkpụrụkpụ nke ihe nkiri primer bụ 5-10μm,
(3) electrostatic spraying ma ọ bụ fluidized bed dipping.
4. preheating okpomọkụ: 230-290 ℃, 10min, film ọkpụrụkpụ: 500um;
Ma ọ bụ 290 ℃, 5min na-enweghị preheating, ihe nkiri ọkpụrụkpụ 200um.

PVC mkpuchi ígwè ọkpọkọ bara uru na petrochemical anti-corrosion, bara uru na okporo ụzọ guardrail, bara uru na okporo osisi, mgbe ọtụtụ afọ nke ngwa pụta na-egosi na. PVC mkpuchi mmiri na-eguzogide, ikuku na-eguzogide ịka nká dị mma, n'ozuzu dị maka ihe karịrị afọ 15, wepụ nsogbu nke agba agba mgbe mgbe, ntụle zuru oke nke ọnụ ala ya dị ala, nke a na-eji na-egbochi corrosion chemical, nwekwara ike iji ihe karịrị afọ ise, maka onye ọrụ iji dozie nsogbu mgbochi corrosion.