Pvdf nke ezinụlọ Fluorocarbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocbocborocborown

November 03, 2024

Fluen resin nke Pvdf Crystaltine, Njirimara nke nkiti, usoro njikọ njikọ, mpaghara ngwa na ndị na-emepụta ihe

I. Ikpuchi nke Pvdf

A na-emepụta ngwaahịa polyvinyllidlidene (PVDF) 2) Nde.pvdf resin na-ejikọ njirimara nke resins fluins na ebumnuche zuru oke, na-eguzogide nrụpụta, wdg Pvdf resin na-emepụta nke fluorine resins , ma a na-ejikwa ya n'ọtụtụ ebe na-emepụta fluorine resins, Pvdf resin nwere ezigbo ọrụ, ihu igwe, iguzosi ike, mkpuchi, piezoealcricricricricricricricricricricricricricricricricricricricricricy na dieelcricricricricricricricricricricrity.

Ihe bụ isi nke Pvdf nwere ihe nhazi CF2- na CF2- CF2- COLSF A na-ahụ akara mmụta nke Pvdf dị n'ọtụtụ ụdị nha. Azụmaahịa PVDF bụ azụmahịa na-enweghị kop na obere monomy-nwere monom na-enweghị isi, cTFe na TFE, wdg, mgbakwunye nke coploymerization Monomors ka polymen nwere ụfọdụ ihe dị iche iche sitere na ebe obibi, dị ka iji meziwanye nro nke Pvdf, nke mere na ọ dị mma maka waya na eriri USB.

Nke abụọ, ụdị nke cvdf

Polyvinylliden fluoride (Pvdf) micropormpite bụ ọkara nke kristal dịgasị iche site na 50% na-adabere na usoro nrụpụta na akụkọ ntolite nke usoro. Ogo nke kristal nke ukwuu na-emetụta ike, ike arụ ọrụ na mmetụta iguzogide polymers Pvdf. Ihe ndị ọzọ na-emetụta akụrụngwa nke Pvdf gụnyere oke molecular na nkesa ya, adịghị arụ ọrụ na ụdị polymer-carbon-carbon-carbon, na kristal morfology. Yiri liear polylerefiins ndị ọzọ, ụdị klọọkụ Pvdf mejupụtara lere anya dị larịị na ụdị spred. Ihe dị iche na nha na nkesa n'etiti abụọ maka nha dị iche iche nke ngwaahịa PVDF kpebiri site na usoro nke polymerization.

Cristal nke Pvdf na-egosipụta polycrystalline phomenon na-ahụghị na polymen ndị ọzọ amaara. E nwere ụdị kristal dị iche iche dị iche iche: α, Β, na Δ. A kọọkwara ụdị ise na akwụkwọ, ya bụ α, Β, γ, γ, γ, γ, γ. Crystaltine ndị a dị na oke dị iche iche, na ihe na-emetụta oke nke ihe owuwu a gụnyere: mgbali elu, yana ọnụnọ nke ụdị mgbatị ahụ n'oge kristal. α na β bụ ụdị kristal kachasị mma na ọnọdụ ndị dị mma. morphology. A na-ejikarị ọnọdụ α α kristal n'oge a na-emegharị emegharị, na Crystal State na-etolite site na nrụpụta nke usoro a na-eme ka ọ ghara ịhazi ya n'okpuru ala eletriki dị elu. Ntinye nke PVDF bụ 1.98 g / cm3 maka okwu ikpe niile, yana 1.75 g / cm3 maka 1.78 g / cm3, nke a na-egosi na ogo ya nke crystallity bụ ihe dị ka 40%.

Nke atọ, arụmọrụ nke Pvdf

(1) Njirimara nke

Pvdf nwere ezigbo ọrụ eji arụ ọrụ. E jiri ya tụnyere polymerbornoocarbon nke na-enweghị atụ, na-agbanwe agbanwe n'okpuru ibu (ntụgharị na-egbochi nguzogide) dị oke mma, ndụ nke na-agbagha ahụ kwalitere. Ike gwụrụ site na ọgwụgwọ. Na-ejupụta obere iko beats ma ọ bụ igwe carbon nwere ike ime ka ike nke ntọala nke polymer.pvdf rụọ ọrụ dị ka ndị a.

Pvdf (polyvinylidlinene) nwere ezigbo ihe eji eme arụ ọrụ, yana usoro ụlọ ọrụ ya bụ:

Ike TESSE nke PVDF ruru 50MPA, ihe fọrọ nke nta ka ọ bụrụ ugboro abụọ nke PTFE (polytetraforfuetene) 1.

Tensile Modulus: Na ọnụego tensile nke 5mm / min, modulu modus nke Pvdf bụ 2280MPa2.

Tensile na-ebu ike (ọnụego tensile nke 50mm / min, mkpụrụ ego Tenges ike ike PVDF bụ 59MPA2.

Elongation na ezumike: na ọnụego tensile nke 50mm / min, elongation na ezumike nke PVDF bụ 60% 2.

Ike na-agbanwe agbanwe: ike mgbanwe nke Pvdf dị n'agbata 48 na 62.

Vayọd modulus nke na-ekesasị na-elacastity: flixural nke Pvdf dị n'agbata 1.4 na 1.8 GPA3.

Ike Mkparịta ụka: Ike Mkparịta ụka nke Pvdf dị n'agbata 69 na 103 mp33.

Ike Mmetụta: Ike Ike nke Pvdf bụ 211J-m-¹3.

Ime ihe	60Hz	10-3 hz	10-6Hz	10-9HZ
Dielectric na-egbu oge (25 Celsius C)	9 ~ 10	8 ~ 9	8 ~ 9	3 ~ 4
Mfu na-efunahụ	0.03 ~ 0.05	0.005 ~ 0.02	0.03 ~ 0.05	0.09 ~ 0.11
Nnọgide Mgbanwe / ω.m				2x10-12
Ike Dielaccric Ọkpụrụkpụ / 0.003175m Thichness / 0.000203m				260 1300

(2) Njirimara eletriki

A na-edepụta ụkpụrụ nke ngwa eletriki nke na-enweghị filler ọ bụla na-enweghị ọgwụgwọ na-edepụta na tebụl 2, ebe ụkpụrụ dị iche iche na ọgwụgwọ dị mma, nke na-ekpebi ụdị polymen iji nwee ụdị kristal dị iche iche. Maka ọdịdị ndị a na-emeso n'okpuru ọnọdụ dị iche iche na oke eletriki dị elu (polarization) na -enweta kristal porirized polphology, na-abụkarị nke dị elu dịka 17.

Njirimara dilectocric nke Pvdf na homogeneous polycrystalline na-enye polymer a na-enye polymen elu palycectoccriccricricricricricricricricricricricricricricricricricricricricricricricricking a. Mmekọrịta dị n'etiti ihe ịtụnanya na-eme prmena nke Pvdf, gụnyere piezoelectric na ihe akụrụngwa, a tụlerela kpọmkwem na akụrụngwa ndị ọzọ na ntinye aka. Ihe dị oke ọnụ na-enwekarị ụdị polycrystalline polycrystalline na-eme ka ọ ghara ịkatọ PVDF ọbụna gbazee. N'aka nke ọzọ, enwere ike ịgbatị PVDF ngwa ngwa site na radioQụ ma ọ bụ kpo oku electrolyte, na njirimara a na usoro ụfọdụ. Odi ike nke ike na-egbochi CVDF, si otú a na-abawanye ike ya. Ngwongwo a nwekwara ihe puru iche n'etiti polyosteinly polymelyrs, ebe polymers ndị ọzọ mebiri emebi mgbe ekpughere ya na imejọ ike ike.

(3) Ngwongwo kemịkal

Pvdf nwekwara ezigbo kemịkal na-eguzogide ọtụtụ ihe na-adịghị ike, ntọala dị na-adịghị ike, halogens na ndị na-eme mkpọtụ dị elu na ogige ndị na-eme mkpọtụ. Agbanyeghị, ntọala siri ike, Amines, Esers na Ketones nwere ike ibute pvdf ka ọzịza, dị nro ma ọ bụ gbazee dabere na ọnọdụ. A nwere ike iji ụfọdụ na Ketones mee ihe dị ka so-so-igbari PVDF. Usoro dị otú ahụ na-enye ohere mkpuchi mkpuchi ka ọ gbazee dị ka okpomọkụ na-awa, na-ebute ezigbo ọzara.

PVDF bụ otu n'ime polymers ole na ole ọkara nke na-emetụta polymers ndị ọzọ, karịchaa acrylic na metryrylic resins. Mpempe akwụkwọ kristal, arụmọrụ na arụmọrụ nke polymers ndị a na-adabere na nhazi nke polymers agbakwunyere, yana mejupụtara Pvdf. Dịka ọmụmaatụ, ethyl poyelrylate kpamkpam na pvdf kpamkpam, ebe o koropropyylylate polyacryLate polyacylry na congers ya abụghị. Mgbe ị na-ahọrọ egwuregwu, ọ dị mkpa inwe mmetụta dị ike iji nweta ndakọrịta na Pvdf, ebe fluyvinyl fluoride ekwekọghị na polyvinyllidene.