Foamed PVC: Specifications. Lub foamed polyvinyl tshuaj dawb (PVC) ua caag

Polyvinyl tshuaj dawb (PVC) - ib tug polymer khoom, uas yog dav siv nyob rau hauv ntau yam teb ntawm advertising khoom, nyob rau hauv tus txheej txheem ntawm kev kho thiab kev tsim kho tej hauj lwm, tus tsim ntawm sab hauv tej qhov chaw.

kev vam meej zaj dabneeg

Ib tug nplua nuj 30-xyoo keeb kwm ntawm lub PVC khoom nyob rau hauv lub teb ntawm thermoplastics yog ciav nyob rau hauv nws cov uniqueness. Vim nws zoo heev zog thiab cov yam ntxwv, foamed PVC muaj ib tug ntau ntau yam ntawm daim ntawv sau npe nyob rau hauv tag nrho cov cheeb tsam ntawm kev txhua hnub lub neej niaj hnub. Cov pib ntaub ntawv rau zus tau tej cov polyvinyl tshuaj dawb yog raw cov ntaub ntawv xws li cov thee, roj thiab cov nkev. Nyob rau hauv lub polymerization txheej txheem ntawm yas chloride intermediate khoom tshwm sim zaum kawg PVC khoom muaj molecules ntawm carbon dioxide, hydrogen thiab chlorine.

Heev heev uas nyob rau hauv lub cheeb ntawm ntau lawm, kev txhim kho ntawm formulations thiab ua txoj kev tau qhia hais tias vim nws cov cim molecular qauv, lub tshuaj muaj ib tug tshwj xeeb qhov chaw ntawm lwm cov hom thermoplastics.

Foamed PVC muaj ntau yam nta: kev khiav hauj lwm kav ntev, ua hauj kub, neeg kho tshuab kev nyuaj siab, ib tug ntau yam ntawm kev txoj kev thiab zoo heev tshuaj lom neeg kuj. Zoo tej yam kuj thiab tau siv sab nraum zoov yog tiav los ntawm kev siv ntau yam additives. Foamed PVC daim ntawv - lub feem ntau ntau hom PVC khoom.

Russia tus thawj PVC yas ntau lawm lub tuam txhab launched "United Extrusion" nyob rau hauv UNEXT hom. Cov kev siv uas niaj hnub high-tech khoom tso cai rau tsim cov khoom uas hais tias tau tag nrho thoob ntiaj teb cov qauv. Los ntawm kev siv qhov zoo tshaj plaws raw cov ntaub ntawv thiab cov cim daim ntawv qhia, PVC ua npuas ncauj UNEXT yog tsis sib txawv ntawm lawv cov nyob sab Europe counterparts.

Hom yas ntawv

Txij thaum nws cov kev taw qhia nyob rau hauv kev ua lag luam ntawm daim ntawv cov ntaub ntawv uas, foamed PVC yas heev sai sai muab rau hauv ib tug universally usable khoom. Ib tug ntau yam ntawm PVC daim ntawv yam uas tshwj xeeb ua rau nws tau siv cov khoom rau lub realization ntawm cov tswv yim nyob rau hauv lub feem ntau ntau haiv neeg teb.

Muaj ob peb hom ntawm feem ntau yas los xij ntawm hard PVC:

• inert foamed PVC daim ntawv - yog ua siv qhov tseeb technologies. Raws li ib tug tshwm sim, lub internal qauv yog tau ib yam thiab ntxeem tau, thiab cov txheej nto rau ob sab - ib tug swm thiab glossy;
• PVC free ua npuas ncauj daim ntawv - lub teeb los ntawm ib tug khoom yas polyvinyl tshuaj dawb, yus ntaug nto thiab zoo pore qauv;
• Compact ntawv - muaj zoo tej yam kuj thiab siab stability;
• Compact pob tshab PVC daim ntawv - pob tshab yas uas muaj yav tom ntej teeb kis tau tus mob thiab tej yam zog;
• laim ntoom pob tshab daim ntawv - yeej tsim rau vuas vov tsev, yus nplaim retardant;
• PVC puas daim ntawv - lub puab ib feem muaj svobodnovspenennogo yas, thiab cov txheej txheej yog ib tug muab ob npaug rau mog txhuas txheej.

Hom ntau haiv neeg thiab txawj cia siab rau ntawm yas PVC los xij ua ntau yam rau sib txawv: sab hauv kho kom zoo nkauj ntawm cov vaj tse, kev tsim kho, erection ntawm advertising thiab cov ntaub ntawv booths, tsim rau sab hauv ntawm lub khws thiab khw, mashinostroitelstvo thiab lwm tus neeg.

Foamed PVC: general yam ntxwv

1. Cov khoom tsis nqus dej thiab dej los ntawm cov huab cua, yog li ntawd tsis muaj swells thiab raws li ib tug tshwm sim, tsis deform thaum lub sij hawm tag nrho lub sij hawm ntawm lub lag luam. Txawm tias thaum twg muab tso rau hauv dej rau ib tug ntev lub sij hawm, tsis hloov cov tsos ntawm cov yas thiab nws ua hauj lwm zoo cov yam ntxwv.
2. Ib tug ntawm lub ntsiab zoo yog nws PVC daim ntawv Flameproof - yas hais txog cov pab pawg neeg-retardant cov ntaub ntawv, uas tsis txhawb combustion nyob rau hauv cov huab cua.
3. Foamed PVC muaj zoo heev lightfastness.
4. Khoom siv los tsim txoj rho siv thermo hais, pneumatic thiab vakuumformiruyuschih txoj kev.
5. Yas yog resistant rau feem ntau cov tshuaj: tsev neeg detergents thiab disinfectants, acids thiab alkalis.
6. PVC yog hais txog mus rau lub eco-friendly ntaub ntawv uas tsis muaj hnyav hlau thiab tsis muaj ib tug tsis zoo feem on tib neeg noj qab haus huv thiab ib puag ncig.
7. Cov ntaub ntawv uas yuav tau yooj yim yuav machined thiab tes-tiav siv pa cuab yeej: yooj yim mus hlais, drilled, nws ntsia, bent, glued, fastened nrog rau tes, screws thiab rivets.
8. yas nto yog zoo tagnrho rau cov self-nplaum txheej thiab laminating zaj duab xis, raws li zoo raws li rau hauv daim ntawv thov ntawm kev tshuaj ntsuam luam ntawv, kev tshuaj ntsuam luam ntawv inks thiab varnishes.

ua txoj kev

PVC ua npuas ncauj daim ntawv yog yooj yim raug rau txhua txoj kev ntawm kev thiab tsevneeg. Vim nws cov neeg kho tshuab cov yam ntxwv, cov hnab yas tsis tau complex thiab kim khoom. PVC los xij yuav tau nrog cov pa cuab yeej uas yog siv thaum ua hauj lwm nrog ntoo los sis hlau.

Txiav PVC yas

Foamed PVC daim ntawv amenable mus phau ntawv tej kev ua hauj lwm siv cov disk thiab band kaw thiab ib tug jigsaw. Cov ntaub ntawv uas yuav tsum txiav nrog ib txhais tes kaw, tsim los rau kev ua hauj lwm nrog ntoo. rau hlau saws yuav txhaws vim lub kaw qhov chaw ntawm cov kaus hniav. Lub zoo tsis rau tej:

• kom mus txog rau 300 m / min;
• pub ntawm 30 m / min.

Kws txawj pom zoo kom raws li nram no cov nuj nqis hniav ces kaum: α = 5 - 10 ° - sua lub, b = 10 - 20 ° - Tsheb ntawm kauj ruam cov hniav los ntawm 5 mus rau 10 hli.

boring

Foamed PVC yog raug pa drilling xyaum tsim los ua hauj lwm nrog hlau. Cov pom cov nyhuv yog tau ntawm ib tus nqi ntawm 50 mus rau 300 Rev. / min thiab ib tug pub los ntawm 3.5 mus rau 6 lub m / min. Lub ces kaum pom zoo rau kev siv nrog rau cov qhov tseem ceeb:

• φ = 100 - 110 ° - lub kaum sab xis ntawm lub apex;
• β = 30 ° - lifting lub;
• α = 0-5 0 - sua kaum sab xis.

milling

Rau cov zauv PVC yas, koj muaj peev xwm siv ib tug qauv universal ntsug thiab kab rov tav milling machine. Yuav kom tiv thaiv kev puas tsuaj mus rau qhov chaw cov ntaub ntawv uas, cov kho kev siv yas los yog ntoo taub txuas. Lub pom hom kev lag luam:

• tej ceev yog tsis ntau tshaj 900 m / min;
• pub cov ntaub ntawv uas 0.3 - 0.6 m / min;
• Pem hauv ntej lub kaum sab xis α = 5 - 20 °;
• clearance lub γ = 10-25 °.

Ua daim ntawv ntug

PVC ua npuas ncauj daim ntawv yuav tsum tau xov npoo. Rau cov hom phiaj, koj muaj peev xwm siv lub dav hlau, ntwav txhuam ntoo los yog lwm yam khoom siv rau sawing ntoo los yog yas npoo. Yog hais tias cov ntaub ntawv uas undergoes mus ib txhis dynamic load irregularities yuav Pendants rau tshwm sim ntawm tej kev yuam kev los yog tawg. PVC daim ntawv muaj ib tug tuab ntawm tsis ntau tshaj 3 hli, yuav txiav nrog ib tug dog dig riam.

Stamping PVC yas

Efficiency ntawm xuas nrig ntaus yog nyob rau ntawm ob peb yam tseem ceeb:

• daim ntawv thickness - daim ntawv thickness ntawm 3 hli yog punched yooj yim. Yog hais tias tshwj xeeb cov khoom thiab kom cov hom kev kawm yog siv, yooj yim nrhiav tej zaum yuav ntaus thwj los ntawm PVC thickness ntawm 4 mus rau 6 hli. Nco ntsoov tias cov npoo ntawm daim ntawv li no yuav ib nyuag npawv;
• daim ntawv kub - nrog me ntsis cov ntaub ntawv uas preheating xuas nrig ntaus zoo yog paub;
• khoom rau stamping - haum cov khoom rau stamping duab los qhia thiab lwm yam foams;
• hniav lub - prerequisite xuas nrig ntaus zoo yog qhov chaw ntawm tus hniav nyob rau ntawm ib kaum sab xis ntawm 30 °.

Kub dabtsi yog khoov

Rau cov hom phiaj, siv tej txuj khoom rau dabtsi yog khoov thermoplastics. Yog dabtsi yog khoov nyob rau ib yam kub tis thiab lub predetermined qhov cua kub tsam. Lub pom kub theem - los ntawm 115 mus 130 ° C. Yog hais tias qhov kub thiab txias yog ntau dua qhov teev tshaj plaws, muaj yog ib tug siab ntau yam ntawm tsim ntawm tej kab nrib pleb thiab splits PVC cellular qauv. Qhov no tshwm sim feem ntau thaum dabtsi yog khoov thicker los xij. Nyob rau hauv cov ntaub ntawv ntawm txaus los khi cov cua kub ntawm cov khoom yuav raug mus rau mob hnyav kev nyuaj siab, thiab tejzaum nws rov qab mus rau nws cov thawj lub xeev.

Thaum flexion foams tog cua kub yog muaj kev vam meej tsuas mus rau ib tug tej yam taw tes, ces tus dabtsi yog khoov voos kheej-kheej yuav ua tau visually unsatisfactory. Nyob rau hauv cov ntaub ntawv no, nyob rau hauv sab hauv sab ntawm daim ntawv yog muaj ntaub ntawv rau V-zoo li tus incision. A yuavtsum tau kawm uantej yog tus fixation tau khoom kom txog rau thaum txias khoom.

Bonding PVC los xij

PVC ua npuas ncauj yob lends nws tus kheej rau ntau hom ntawm nplaum tsevneeg neeg sawv cev. Yog hais tias nws yog tsim nyog los muab cov ntawv txheeb rau txhua lwm yam, peb yuav siv ib tug nplaum rau dissolving txias vuam los yog reactive (thib ob) cov kua nplaum. Rau cov tsevneeg uas tsis yog-ntxeem tau thiab uas tsis yog-ntxeem tau dej ntaub ntawv haum rau cov nram qab hom lo:

• dissolving pin - yog thov kom ob leeg chaw ntawm ib qho ratio ntawm 150 g ib 1 m ^2;
• ob-tivthaiv polyurethane - them tsuas yog ib qho chaw.

Bonding ntawm PVC thiab ntxeem tau ntxeem ntaub ntawv no tshwm sim ntawm aqueous dispersion kua nplaum los yog ib tug ob-tivthaiv polyurethane.

Kws txawj pom zoo kom mus nqa tawm kev ntsuam xyuas rau txhua rooj plaub, noj mus rau hauv tus account yam tseem ceeb uas yuav muaj kev cuam tshuam cov adhesion efficiency: kuj mus weathering thiab cov tshuaj, elastic nplaum ob leeg.

Vuam ntawm PVC ua npuas ncauj

PVC los xij yuav raug los koom los ntawm txoj kev kub huab cua. Thaum lub sij hawm vuam txoj kev yuav tsum ua raws li tej yam no: cov kev npaj thiab kev siv ntawm weld tseeb kub. Qhov loj tshaj plaws uas koj yuav tsum tau them nyiaj mloog - mus kom niaj hnub cua kub thaum uas tsis txhob zos overheating. Koj siv tau ib tug qauv vuam pas nrig, uas tej zaum yuav preheated mus rau ib theem 70 ua ntawm foamed PVC - 80 ° C.

Ntsiab operating tsis:

• ntug nqaws PVC los xij yuav tsum tau chamfered los ntawm 60 °;
• optimum vuam kub 280 - 290 ° C;
• thaum lub sij hawm kev lag luam yog tsim nyog los siv high-ceev vuam nozzle (3.5 m / min).

thermoforming

Foamed PVC yuav raug rho los yog khoov duav tom qab rhuab mus rau ib tug tej yam kub. Txawm li cas los, vim rau qhov tseeb hais tias cov khoom yog ib tug ob-theem system, uas occupies ib nrab ntawm cov volume pov tseg nyob rau hauv lub cua, tej kev txwv yuav tsum muaj cai. pom zoo niaj hnub cua kub mog daim ntawv ua. Moulded khoom yuav tsum tom qab nws yuav elastic. Ua ntej lub thermal nyhuv yuav tsum tau muab tshem tawm los ntawm lub PVC daim ntawv kev tiv thaiv zaj duab xis.

Printing thiab Txheej

Vim nws cov qauv, qhov chaw ntawm lub PVC ua npuas ncauj yog zoo tagnrho rau cov thov kev tshuaj ntsuam luam ntawv thiab varnishing. Rau lub hom phiaj no, tsis tsim tshwj xeeb yas-acrylic dyes. Ua ntej thov kev lub lacquer nto printing thiab daim ntawv yog degreased los so nrog haus dej haus cawv.

Scope ntawm foamed PVC

Vim lub high kev kawm acoustic, thermal rwb thaiv tsev thiab dej kuj, PVC profile rau ntau xyoo siv nyob rau hauv lub qhov rais thiab qhov rooj lag luam, ua hauj lwm pab raws li lub finishing ntawm balconies thiab loggias. Pob tshab thiab corrugated los xij ntawm polyvinyl tshuaj dawb yog siv nyob rau hauv vov tsev thiab iav hloov.

PVC profile txawv los ntawm lwm yam ntaub ntawv rau lawv cia siab rau, durability, yooj yim txij nkawm.

Nruam kev txhim kho ntawm txoj kev ua thiab fabrication technologies enables manufacturers qhib tau cov ntawv tshiab ntawm PVC khoom. Lev PVC ua npuas ncauj yog siv raws li ib tug anti-nplua hauv pem-teb nyob rau hauv lub chav da dej. Nws muaj ib tug mos mos zoo nkauj thiab tsis nqus noo noo.

Zoo-suited rau kev siv nyob rau hauv kev kawm foamed PVC daim ntawv. Tus nqi ntawm cov khoom no yog npaum li cas qis tshaj li lwm hom ntawm thermoplastic. Nws yog tsim rau advertising los yog raws li ib tug zaub. Yas ntawv yog yus muaj los ntawm zoo kuj mus weathering thiab UV rays.

Foamed PVC, tus nqi ntawm uas muaj ib tug kev sib tw kom zoo dua, yog dav siv nyob rau hauv advertising, kev tsim kho thiab kev lag luam. Qhov no hnav thiab check cov ntaub ntawv uas, uas koj yeej twb paub lawm tej tsim thiab xim ntsiab.

Manufacturers ntawm lub tsev ntaub ntawv muaj ib tug ntau ntawm cov PVC khoom. Tag nrho cov ntawm nws yog varied xim, tuab los xij, lub zog. Tus nqi ntawm ib tug ntawv tsuas 2x3 m mas nws txawv ntawm 1500 mus 4500 tshiav lab (nyob ntawm seb lub chaw tsim tshuaj paus los yog lwm yam ntxwv).