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ugbu a Biaxially Oriented Polypropylene(BOPP): Uru na ọghọm ya

Nlele: 435     Odee: Saịtị Editọ Oge mbipụta: 2024-09-30 Mmalite: Saịtị

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Mgbe nyochachara ihe nkiri BOPP, ị nwere nghọta siri ike maka ihe a juru ebe niile? Na blọọgụ a, anyị ga-eme ka nghọta anyị dịkwuo mma maka uru na ọghọm ya, si otú a na-elekwasị anya nke ọma mkpa ndị ahịa.

Gịnị bụ ihe nkiri BOPP

Ihe nkiri Biaxial Oriented Polypropylene (BOPP) agbanweela ụlọ ọrụ nkwakọ ngwaahịa kemgbe mmalite ya na 1970s. Nke a ọhụrụ ihe, agbatị ma mechanically na aka iji cross-direction usoro, na-enye a pụrụ iche Nchikota Njirimara nke mere ka ọ dị mkpa na dị iche iche ngwa.

Njirimara isi nke BOPP

  • enweghị agba na isi ísì Ọdịdị

  • anaghị egbu egbu Ngwakọta

  • guzozie eguzozi Isi ike na isi ike

  • dị egwu Mmetụta mmetụta

  • dị elu Ike tensile (ụkpụrụ a na-ahụkarị sitere na 130-300 MPa)

  • pụrụiche Nghọta (ihe ruru 90% nnyefe ọkụ)

Ngwongwo ndị a etinyela BOPP dị ka ihe na-agbanwe agbanwe n'ofe ụlọ ọrụ dị iche iche, site na nkwakọ nri ruo na akwa akwa akwa.

Uru nke ihe nkiri BOPP

Njirimara anụ ahụ

BOPP karịrị ike na ịdịte aka, na-enwe ike ike nke nwere ike iru 300 MPa na ntụziaka igwe. Ọdịdị ya doro anya kristal, yana ọnụego nnyefe ọkụ ruru 90%, na-eme ka ọhụhụ ngwaahịa dị na shelf ụlọ ahịa. Nkwụsi ike akụkụ ihe nkiri a na-eme ka arụmọrụ na-aga n'ihu n'ofe ngwa dị iche iche, yana ọnụego mbelata ahụkarị n'okpuru 4% na 130°C.

Iguzogide ntupu na mgbawa mgbawa na-eme ka BOPP dị mma maka nkwakọ ngwaahịa nchebe. Dịka ọmụmaatụ, ihe nkiri 20-micron BOPP nwere ike idi ihe ruru 130 g/25 μm na ule mmetụta dart, na-egosipụta ike ya na ngwa ụwa n'ezie.

Njirimara kemịkalụ

BOPP na-arụ ọrụ dị ka ihe mgbochi siri ike megide mmiri, mmetọ, na kemịkalụ na-emerụ ahụ. Ọnụego nnyefe mmiri ya (WVTR) nwere ike ịdị ala dị ka 4-5 g / m² / ụbọchị na 38 Celsius C yana iru mmiri 90%, na-eme ka ọ bụrụ nhọrọ magburu onwe ya maka ngwaahịa nwere mmetụta mmiri.

Mmanụ na mmanụ griiz nke ihe nkiri a, nke nwere ụkpụrụ ahụkarị karịa 7 na ọnụ ọgụgụ ule Kit, na-agbasawanye ike ya. Ngwongwo ndị a na-eme ka BOPP bụrụ nhọrọ magburu onwe ya maka nkwakọ nri na ụlọ ọrụ mmepụta ihe, ebe nchebe ngwaahịa dị oke mkpa.

Uru gburugburu ebe obibi

N'ụwa nke ụwa na-ahụ maka gburugburu ebe obibi taa, BOPP na-eji nzere gburugburu ya na-enwu:

  • Ntughari : BOPP dabara n'okpuru koodu nrụgharịgharị #5 (PP), na-eme ka ọ na-emegharị ya n'ọtụtụ ebe.

  • Dị fechaa : Njupụta a na-ahụkarị gburugburu 0.90-0.92 g/cm³ na-enye aka na mbelata ikuku ụgbọ njem.

  • Mmepụta ike na-arụ ọrụ nke ọma : Usoro nrụpụta na-eri obere ume ma e jiri ya tụnyere ụfọdụ ihe ndị ọzọ.

Nnyocha nyocha usoro ndụ nke European Polypropylene Film Manufacturers Association mere chọpụtara na ihe nkiri BOPP nwere akara ụkwụ carbon dị ala 40% ma e jiri ya tụnyere ihe nkiri PET.

Uru Akụ na ụba

BOPP na-enye uru dị oke ọnụ ahịa n'ihi nnukwu mkpụrụ ya. Njupụta ya dị ihe dịka 0.90-0.92 g/cm³ na-ebute ihe nkiri karịa otu nha nha ma e jiri ya tụnyere ihe ndị ọzọ dị ka polyester (njupụta ~ 1.4 g/cm³). Nke a tụgharịrị gaa na echekwa ọnụ ahịa na ojiji ihe yana njem njem.

Nnabata zuru ụwa ọnụ na-eme ka azụmahịa na mbupu mba dị mfe karị. Dabere na akụkọ ụlọ ọrụ, mpaghara Eshia-Pacific na-achịkwa ahịa BOPP, na-aza ihe karịrị 60% nke ikike mmepụta ụwa.

Ntughari

Ọdịiche nke BOPP pụtara ìhè n'ụdị mmecha dịnụ:

Mechaa Ụdị Ụdị Gloss Units (45°) Ngwa nkịtị.
Ebube dị elu >90 Nkwakọ ngwaahịa okomoko
Ọkọlọtọ 70-90 Ebumnuche izugbe
Matte <40 Akara ndị na-anaghị acha ọkụ
Silk 40-70 Mmetụta mmetụ dị nro

Ụdị dị iche iche a na-egbo mkpa ịchọ mma dị iche iche na arụ ọrụ n'ofe ụlọ ọrụ, site na nkwakọ ngwaahịa nri ruo na ihe ịchọ mma dị elu.

Uru arụmọrụ

BOPP kacha mma n'akụkụ arụmarụ dị iche iche: Njirimara

Arụmọrụ Uru Ụdị
Ọsọ mbipụta Elu Ruo 300 m/min
Nguzogide UV Magburu onwe <5% na-acha odo odo mgbe awa 1000 gachara
Ụgwọ Electrostatic Dị ala <2kV elu resistivity

Àgwà ndị a na-eme ka BOPP dị mma maka gburugburu mmepụta ngwa ngwa na ngwa n'èzí.

Ọdịmma nke ihe nkiri BOPP

Okwu mmechi

Njirimara njichi adịghị mma nke BOPP nwere ike bụrụ nsogbu na ụfọdụ ngwa nkwakọ ngwaahịa. Ike akara ọkụ na-ahụkarị sitere na 200-400 g/25 mm, nke dị ala ma e jiri ya tụnyere ụfọdụ ihe nkiri ọzọ. Mmachi a na-achọkarị ọgwụgwọ ma ọ bụ mkpuchi agbakwunyere iji kwalite njide, nwere ike ịbawanye ọnụ ahịa mmepụta.

Ihe gbasara ike dị n'elu

Ike elu ala dị ala (nke na-abụkarị 29-31 mN/m) na-eduga n'ihe ịma aka na nrapagide ink. Nke a na-ebute ịdịmma mbipụta na-adịghị mma, na-achọ ọgwụgwọ elu tupu usoro obibi akwụkwọ. Ọgwụ Corona nwere ike ịbawanye ike elu ruo 38-42 mN / m, mana mmetụta a na-ebelata ka oge na-aga.

Ọdịdị kristal

nke BOPP Ọdịdị kristal dị elu (nke bụ 60-70% crystallinity) nwere ike ịkpata:

  • Haziness (ụkpụrụ haze a na-ahụkarị: 2-3% maka ihe nkiri doro anya)

  • Mgbanwe nhazi enwere ike na oke okpomọkụ

Okwu ndị a nwere ike imetụta mpụta na arụmọrụ ihe nkiri a na ngwa a kapịrị ọnụ, ọkachasị ebe idoanya anya dị oke mkpa.

Eletrik Static

Mmepụta ọsọ ọsọ na-ebutekarị ọkụ eletrik na fim BOPP, yana nguzogide elu nwere ike iru 10¹⁶ Ω/sq. Nke a na-achọ ka mmejuputa usoro iwepụ static n'oge nrụpụta, na-agbakwunye mgbagwoju anya na ọnụ ahịa mmepụta ihe.

Ngwa nke ihe nkiri BOPP

Ụlọ ọrụ nkwakọ ngwaahịa

BOPP na-achịkwa nkwakọ nri n'ihi ọmarịcha ihe mgbochi ya na idoanya ya. A na-eji ya maka:

  • Ihe mkpuchi nri nri (dịka ọmụmaatụ, ibe nduku, ihe oriri)

  • Akara mmanya

  • Akpa mmepụta ọhụrụ

Ahịa ihe nkiri nkwakọ ngwaahịa nri zuru ụwa ọnụ, nke BOPP na-ebugharị, bara uru na $ 37.5 ijeri na 2020 ma na-atụ anya iru $ 53.9 ijeri site na 2026.

Mbipụta na Lamination

Ihe nkiri a kacha mma na ngwa mbipụta dị iche iche:

Ngwa Market Share Growth Rate (CAGR)
Mkpuchi akwụkwọ ọgụgụ 15% 4.5%
Ihe mkpuchi magazin 20% 3.8%
Akara ngwaahịa 25% 5.2%

Eji Ọpụrụiche

BOPP na-achọta ngwa pụrụ iche na:

  • Igwe ọkụ eletrik (ike dielectric: 200-300 kV / mm)

  • teepu nrapado (adhesion bee: 15-20 N/25mm)

  • Nkwakọ ngwaahịa ifuru (ọnụọgụ nnyefe uzuoku: 4-5 g / m² kwa ụbọchị)

Ntughari ya na-aga n'ihu na-emepe ahịa ọhụrụ, yana ngalaba ihe nkiri BOPP pụrụ iche na-eto na CAGR nke 7.2%.

Nkwalite na Mgbanwe

Iji merie njedebe, BOPP na-enweta ọgwụgwọ dị iche iche:

  1. Ọgwụ Corona : Na-abawanye ike elu ruo 38-42 mN / m

  2. Ọgwụgwọ Plasma : Na-enweta ike elu ruo 50 mN / m

  3. Topcoatings : na-eme ka ebipụta akwụkwọ na akara akara

Usoro ndị a na-eme ka njirimara njikọ na arụmọrụ zuru ezu, yana ihe nkiri a na-emeso na-egosi mmụba ruru 50% na ntinye ink.

Ngwakọta multi-layer jikọtara BOPP na ihe ndị dị ka PE, PO, PT, na LDPE. Nke a na-ebute akụrụngwa emelitere:

akụrụngwa Mmelite
Nguzogide okpomọkụ Ruo 140°C (site na 120°C)
Ihe mgbochi mmiri WVTR belatara site na 50%
Enweghị ike ikuku gas O₂ nnyefe ọnụego <10 cc/m²/ụbọchị

Tụnyere ihe nkiri ndị ọzọ

BOPP karịrị ọtụtụ ụzọ ọzọ:

Akụkụ BOPP PET LDPE
Mkpụrụ (m²/kg na 25μm) 44.4 28.6 42.6
Ọnụ (ndị ikwu) 1.0 1.2 0.9
nghọta (% nnyefe ọkụ) 90-92 88-90 88-90
Ihe mgbochi mmiri (g/m² kwa ụbọchị na 38°C, 90% RH) 4-5 15-20 12-15

Ntụnyere a na-akọwapụta oke asọmpi BOPP na ahịa ihe nkiri, ọkachasị n'ihe gbasara mkpụrụ na ihe mgbochi mmiri.

Mmechi

Ihe nkiri BOPP na-enye ngwugwu bara uru n'agbanyeghị ụfọdụ ihe ndọghachi azụ. Its versatility , cost-irè , na gburugburu ebe obibi enyi na-edebe ya dị ka a na-eduga nhọrọ na nkwakọ na karịrị. A na-atụ anya na ahịa BOPP zuru ụwa ọnụ ga-eto na CAGR nke 6.9% site na 2021 ruo 2026, na-egosi ntụkwasị obi siri ike nke ụlọ ọrụ na ọdịnihu ya.

Nchọpụta na mmepe na-aga n'ihu na-ekwe nkwa ịkwado oke ugbu a, nwere ike ịgbasa ngwa BOPP n'ihu. Ihe ohuru ohuru na teknụzụ nanotechnology na polypropylene dabere na bio nwere ike ịkwalite akụrụngwa BOPP wee merie ihe ịma aka ndị dị adị.

Ọ na-esiri gị ike ịhọrọ ihe nkiri BOPP kwesịrị ekwesị maka ọrụ gị? Anyị bịara ebe a iji nyere aka. Ndị ọkachamara anyị dị njikere ịnye ndụmọdụ na nkwado ịchọrọ ịhọrọ ihe zuru oke maka ọrụ ọ bụla. Kpọtụrụ anyị iji nweta ihe ịga nke ọma!

Ajụjụ

1. Kedu ihe bụ isi uru nke ihe nkiri BOPP?

Azịza: Ihe nkiri BOPP na-enye nkọwa doro anya nke ọma, ike nkwụsị dị elu, ezigbo ihe mgbochi mmiri, yana ọnụ ahịa bara uru. Ọ dịkwa fechaa, enwere ike ịmegharị ya, yana ọtụtụ n'ime ngwa ya.

2. Kedu ụlọ ọrụ na-ejikarị ihe nkiri BOPP eme ihe?

Azịza: A na-eji ihe nkiri BOPP eme ihe na:

  • Nkwakọ nri

  • Lamination textile

  • Mbipụta na akara

  • Imepụta teepu nrapado

  • Ihe mkpuchi eletrik

3. Kedu ka ihe nkiri BOPP si tụnyere ihe nkwakọ ngwaahịa ndị ọzọ gbasara mmetụta gburugburu ebe obibi?

Azịza: Ihe nkiri BOPP nwere akara ukwu carbon dị ala ma e jiri ya tụnyere ihe nkiri PET ma nwee ike ịmegharị ya. Ọdịdị ya dị fechaa na-esokwa na-ebelata ikuku ikuku ụgbọ njem. Otú ọ dị, dị ka plastik niile, mkpofu na-ezighị ezi nwere ike ịkpata nsogbu gburugburu ebe obibi.

4. Kedu ihe bụ isi ihe ndọghachi azụ nke iji ihe nkiri BOPP?

Azịza: Ihe ọghọm ndị bụ isi gụnyere:

  • Ogbenye okpomọkụ akara Njirimara

  • Ike elu ala dị ala, na-eduga n'ihe ịma aka obibi akwụkwọ

  • Enwere ike wulite ọkụ eletrik static

  • Okpomọkụ dị elu nwere oke

5. Enwere ike iji ihe nkiri BOPP mee ihe maka nkwakọ ngwaahịa nri?

Azịza: Ee, a na-eji ihe nkiri BOPP eme ihe na nkwakọ ngwaahịa nri n'ihi ọmarịcha ihe mgbochi mmiri, ihe doro anya, na ọdịdị inert. Ọ na-ewu ewu karịsịa maka nri nri, ihe oriri na-atọ ụtọ, na nkwakọ ngwaahịa ọhụrụ.

6. Kedu ka ihe nkiri BOPP si arụ ọrụ n'ihe gbasara mbipụta?

Azịza: Ihe nkiri BOPP na-adịghị agwọ ọrịa enweghị ike ibipụta nke ọma n'ihi ike elu ya dị ala. Agbanyeghị, ọgwụgwọ elu dị ka mwepu corona ma ọ bụ itinye mkpuchi nwere ike imeziwanye nnabata mbipụta ya.

7. Ihe nkiri BOPP ọ na-efu ọnụ ma e jiri ya tụnyere ndị ọzọ?

Azịza: N'ozuzu, ee. Ihe nkiri BOPP na-enye ezigbo nguzozi nke arụmọrụ na ọnụ ahịa. Njupụta ya dị ala na-ebute ọtụtụ ihe nkiri kwa otu nha ma e jiri ya tụnyere ihe ndị ọzọ dị ka PET, nke nwere ike ibute ego nchekwa ego na iji ihe na njem.


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