Yuav Ua Li Cas Lo Cov Yeeb Yaj Kiab? Adhesive Rau Polyethylene Thiab Cellophane, Peb Nplaum Polypropylene Rau Ib Leeg Hauv Tsev. Yuav Ua Li Cas Lo Cov Yeeb Yaj Kiab Rau Hlau Thiab

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Polyethylene thiab polypropylene yog cov khoom siv polymeric uas tau siv rau lub hom phiaj kev lag luam thiab hauv tsev. Cov xwm txheej tshwm sim thaum nws tsim nyog los txuas cov ntaub ntawv no lossis txhim kho lawv ntawm cov ntoo, pob zeb, iav lossis hlau. Txij li polyethylene muaj qib siab ntawm kev du, nws yog qhov nyuaj rau lo cov khoom lag luam ua ke. Txhawm rau ua tiav cov txiaj ntsig zoo, koj tuaj yeem siv ntau txoj hauv kev muaj txawm tias nyob hauv tsev.

Yuav ua li cas lo?

Polypropylene los xij, yas, siab thiab qis zaj duab xis cellophane - tag nrho cov ntaub ntawv no muaj peev xwm nplaum tau qis. Lawv cov nplaim tsis tsuas yog du, tab sis kuj tsis muaj porosity kom nqus tau cov nplaum. Txog rau hnub tim, tsis muaj cov nplaum tshwj xeeb tsim tshwj xeeb rau polyethylene tau tsim.

Tab sis muaj cov nplaum uas muaj qhov dav dua ntawm kev nqis tes ua, uas, nyob rau qee qhov xwm txheej, pab txhawm rau ntsaws cov khoom siv polymer.

Hom kua nplaum

Cov nplaum rau cov ntaub ntawv polymeric tau muab faib ua 2 hom

• Ib-tivthaiv nplaum - Cov tshuaj no tau npaj txhij tiav rau kev siv thiab tsis xav tau cov khoom xyaw ntxiv.
• Ob-tivthaiv nplaum - suav nrog cov hauv paus nplaum thiab cov khoom ntxiv hauv daim ntawv ntawm polymerizing tus neeg sawv cev hu ua tawv. Ua ntej pib ua haujlwm, ob qho khoom siv yuav tsum tau ua ke los ntawm kev sib xyaw. Cov khoom sib xyaw ua tiav tsis tuaj yeem khaws cia thiab siv tau tam sim tom qab kev npaj, txij li polymerization pib pib nyob rau hauv cov pa.

Raws li txoj kev ua kom tawv tawv, txhua daim nplaum tau muab faib ua 3 pawg:

• txias polymerization - cov kua nplaum ua kom sov ntawm qhov kub ntawm 20 ° C;
• thermoactive polymerization - rau kev ua kom ruaj khov, cov nplaum los yog cov nplaim ntawm cov khoom siv yuav tsum tau muab rhaub kom sov;
• sib xyaw polymerization - cov kua nplaum tuaj yeem tawv hauv qab cua sov lossis ntawm chav sov.

Cov nplaum niaj hnub no muaj cov tshuaj ntxiv uas yaj cov nplaim polymer, yog li tsim cov xwm txheej rau kev ua kom zoo dua qub. Cov kuab tshuaj hnyav ua kom qhuav sai, tom qab uas cov polymer hnyav ua kom tawv, ua ib lub seam. Hauv qhov chaw nqaws, cov nplaim ntawm ob lub workpieces tsim ua ib lub vev xaib, yog li cov txheej txheem no hu ua txias vuam.

Sab saum toj hom

Feem ntau ntawm cov nplaum niaj hnub no muaj methacrylate, uas yog ob yam khoom sib xyaw, tab sis tsis muaj kev sib xyaw ntawm cov tshuaj ua kom tawv tawv ua rau tib neeg lub cev.

Rau gluing polyamide thiab polyethylene, cov nplaum ntawm ntau lub npe nrov tuaj yeem siv tau

Easy-Mix PE-PP-los ntawm cov chaw tsim khoom Weicon . Raws li tus txheej txheem ua ntej, cov iav tawg tau siv hauv daim ntawv ntawm kev tawg zoo, uas, thaum muab faib rau saum npoo ntawm cov ntu kom tau glued, ua kom muaj kev nplaum zoo. Hauv qhov muaj pes tsawg leeg tsis muaj qhov tsis zoo ua rau tib neeg, yog li cov khoom tuaj yeem siv tau hauv tsev. Ua ntej thov nws rau cov chaw ua haujlwm, lawv tsis tas yuav tau npaj tshwj xeeb hauv txhua txoj kev - nws txaus tsuas yog tshem tawm cov av qias neeg. Kev sib xyaw ntawm cov khoom sib xyaw ntawm cov kua nplaum zoo li tshwm sim thaum lub sijhawm nws pub mis los ntawm lub raj ncaj qha mus rau ntu gluing.

" BF -2" - Lavxias tsim . Muaj cov tsos ntawm cov khoom khov ntawm xim av-xim liab. Cov kua nplaum muaj cov phenols thiab formaldehydes, uas tau muab cais ua cov tshuaj lom. Cov nplaum muaj pes tsawg leeg yog qhov chaw tiv taus ya raws thiab ntau yam kev npaj npaj rau gluing cov ntaub ntawv polymer.

BF-4 yog cov khoom lag luam hauv tsev . Nws muaj qhov sib xyaw ua ke zoo ib yam li BF-2 kua nplaum, nrog rau cov khoom ntxiv uas ua rau kom qhov ywj pheej ntawm cov nqaws. BF-4 kua nplaum yog siv rau gluing polymers uas raug rau ntau zaus deformation mus los thiab kev co co. Ib qho ntxiv, cov kua nplaum tuaj yeem ua plexiglass, hlau, ntoo thiab tawv ua ke.

Griffon UNI-100 yog lub tebchaws keeb kwm hauv tebchaws Netherlands . Suav nrog ib qho kev tiv thaiv raws li cov tshuaj thixotropic. Nws yog siv los koom nrog cov nplaim polymer. Ua ntej ua haujlwm, cov chaw zoo li no yuav tsum tau muab ntxuav kom huv nrog siv cov tshuaj ntxhua khaub ncaws.

Kev sib cuag yog cov khoom lag luam Lavxias ob feem . Xws li epoxy cob thiab tawv tawv. Polymerization ntawm cov nplaum loj tshwm sim ntawm chav sov. Qhov sib koom ua ke tiav yog tiv taus dej, roj av thiab roj. Cov nplaum muaj pes tsawg leeg yog siv rau cov khoom siv polymer, ntxiv rau gluing iav, plooj (porcelain), hlau, ntoo. Cov tuab tuab ntawm cov kua nplaum ua rau tag nrho cov voids thiab tawg, ua rau ib leeg monolithic seam uas tsis muaj kev ywj pheej.

Ntxiv nrog rau cov polyethylene du, cov ntaub ntawv ua npuas dej polymer tseem xav tau gluing. Cov qauv ntxeem tau ntawm foamed polymers hloov pauv tau, yog li cov nplaum txuas yuav tsum ntseeg tau zoo. Txhawm rau ua cov ntaub ntawv zoo li no, siv lwm hom kua nplaum.

88 Lux yog cov khoom lag luam Lavxias . Ib qho khoom siv hluavtaws nplaum, uas tsis muaj tshuaj lom rau tib neeg. Cov nplaum ua ke muaj lub sijhawm polymerization ntev, cov tawv tawv tawv tag nrho tsuas yog ib hnub tom qab lo rau ntawm qhov chaw. Thaum siv 88 Lux kua nplaum, cov kab ua tiav tiav yog tiv taus cov dej noo thiab kub qis.

" 88 P-1" yog cov kua nplaum ib leeg ua hauv Russia . Cov khoom tau npaj siv thiab muaj cov roj hmab chloroprene. Cov muaj pes tsawg leeg tsis tso cov tshuaj lom mus rau ib puag ncig thiab tsim nyog rau kev siv hauv tsev. Tom qab gluing, qhov tshwm sim seam muaj qib siab ntawm lub zog thiab kev ywj pheej ywj pheej.

Tangit - ua hauv tebchaws Yelemes . Nws tuaj yeem tsim tawm raws li ib qho kev tivthaiv, npaj npaj siv tau, nrog rau cov khoom siv ob yam. Ob-tivthaiv nplaum tau txiav txim siab ntau dua vim tias nws haum rau kev sib txuas cov ntaub ntawv nrog qib qis ntawm kev nplaum. Cov pob suav nrog ntim nrog kua nplaum thiab lub raj mis tawv tawv.

Cov npe ntawm cov nplaum tau nce qib ntawm cov nplaum, thiab ua tiav qhov ua tiav los ntawm gluing muaj kev ntseeg siab siab thoob plaws txhua lub sijhawm ntawm kev siv cov nplaum ua ke cov ntaub ntawv polymer.

Peb lo zaj duab xis hauv tsev

Muaj qhov xwm txheej sib txawv thaum nws tsim nyog los lo rau zaj duab xis polyethylene. Qhov no tuaj yeem npaj lub tsev cog khoom rau lub caij ntuj sov lossis tiv thaiv lub rafters thaum kho lub ru tsev . Feem ntau, polyethylene tau glued ua cov haujlwm tsim khoom lossis thaum ua haujlwm tsim kho. Cov yeeb yaj kiab polyethylene tuaj yeem ua ncaj ncaj ntawm qhov chaw teeb tsa, lossis cov nplaum tau ua tiav ua ntej.

Cov txheej txheem xws li gluing nyob ntawm qhov chaw uas koj xav tau lo nrog cov khoom siv polymer . Qhov kev txiav txim ntawm kev ua haujlwm hauv txhua kis yuav txawv. Cia peb txheeb xyuas cov hauv paus ntsiab lus ntawm gluing zaj duab xis rau ntau yam haujlwm.

Nruab nrab ntawm lawv tus kheej

Koj tuaj yeem nplaum 2 daim ntawv polyethylene ua ke nrog siv BF-2 kua nplaum. Cov txheej txheem yog yooj yim heev thiab tuaj yeem ua tiav ntawm tes hauv tsev. Ua ntej thov cov nplaum, cov npoo tsev yuav tsum tau npaj.

• Cov qhov chaw hauv thaj chaw sib txuas tau muab ntxuav nrog cov tshuaj xab npum yog tias muaj kev sib kis hnyav. Tom qab ntxuav, zaj duab xis tau so qhuav thiab txo qis - qhov no tuaj yeem ua tiav nrog kev daws teeb meem ntawm cawv los yog acetone.
• Ib txheej nyias ntawm cov nplaum yog tusyees siv rau qhov chaw npaj. Cov kua nplaum "BF-2" nyhav kom qhuav sai, yog li ob qho uas yuav tsum tau nplaum yuav tsum tau ua ke sai sai.
• Tom qab ua ke ntawm ob qhov chaw, nws yog qhov tsim nyog rau cov nplaum kom ua kom tiav polymerize thiab tawv. Txhawm rau ua qhov no, nws yuav xav tau yam tsawg 24 teev. Tsuas yog tom qab lub sijhawm teev tseg, cov khoom nplaum tuaj yeem siv tau.

Cov txheej txheem zoo sib xws rau kev npaj ua haujlwm saum npoo thiab siv cov kua nplaum yog siv rau lwm cov nplaum zoo sib xws. Hauv cov txheej txheem ntawm kev ua haujlwm, nws yog qhov yuav tsum tau soj ntsuam kev nyab xeeb - siv cov cuab yeej tiv thaiv tus kheej thiab ua haujlwm hauv thaj chaw uas muaj cua nkag tau zoo. Thaum gluing cov nplais loj, kom yooj yim ntawm kev ua haujlwm, ntim ntau ntawm cov kua nplaum, tso rau hauv daim cartridge.

Nws yog qhov yooj yim tshaj plaws los tshem cov kua nplaum los ntawm daim cartridge siv rab phom tshwj xeeb.

Rau hlau

Txhawm rau ua raws polyethylene rau hlau, ua cov hauv qab no:

• cov nplaim hlau tau ntxuav nrog txhuam hlau, thiab tom qab ntawd nrog cov ntawv ntxhib ntxhib ntxhib, tom qab ntawd nws tau degreased nrog acetone lossis daws cov cawv cawv;
• cov hlau saum npoo yog ua tib zoo thiab ua kom sov nrog lub tshuab cua sov kom sov li ntawm 110-150 ° C;
• yas zaj duab xis yog nias tawm tsam cov hlau ua kom sov thiab dov nrog cov menyuam roj hmab.

Nyuaj nias ntawm cov khoom kom ntseeg tau tias melting ntawm polymer, thiab tom qab nws txias, cov nplaum zoo rau qhov ntxhib hlau nto tau txais.

Kom qhob

Polypropylene nyob rau hauv daim ntawv ntawm rwb thaiv tsev kuj tseem tuaj yeem ua rau pob zeb ua tiav. Rau qhov no koj xav tau:

• ntxuav cov pob zeb saum npoo av, qib nrog putty, thawj;
• siv cov nplaum sib npaug rau lwm sab ntawm daim ntawv polypropylene, qhov twg tsis muaj txheej ntawv ci;
• tos me ntsis raws li cov lus qhia rau kua nplaum, thaum cov kua nplaum so rau hauv cov khoom;
• siv rwb thaiv tsev rau saum npoo av thiab nias kom zoo.

Yog tias tsim nyog, cov npoo ntawm rwb thaiv tsev tau ntxiv nrog cov kua nplaum. Tom qab kev teeb tsa, cov kua nplaum yuav tsum tau muab sijhawm rau polymerization thiab ua kom qhuav tag.

Lwm yam kev xaiv

Siv cov kua nplaum, polyethylene tuaj yeem lo rau daim ntawv lossis tsau rau ntaub. Tab sis, ntxiv rau cov nplaum, koj tuaj yeem nplaum cov khoom siv polymer siv cov hlau:

• polyethylene nplooj ntawv tau sib dhos ua ke;
• ib daim ntawv ntawv ci los yog ntawv dawb tau sau rau saum;
• nqis rov qab los ntawm ntug 1 cm, siv tus pas ntsuas 'meter';
• nrog cov hlau kub raws ntug dawb ntawm tus ciam teb nrog tus kav, ntau qhov kev txav hlau tau ua;
• tus pas ntsuas thiab daim ntawv raug tshem tawm, qhov ua kom pom kev raug tso cai kom txias tag nrho ntawm chav sov.

Nyob rau hauv qhov kev txiav txim ntawm cov hlau kub, cov polyethylene yaj, thiab muaj kev sib khi ruaj khov. Los ntawm tib lub hauv paus ntsiab lus, koj tuaj yeem txuas cov yeeb yaj kiab uas siv cov hlau txuas. Qhov sib txawv yog tias tsis yog siv cov hlau kub, cov cua sov ua kom sov cov hlau ntxig tau kos nrog tus kav. Qhov tshwm sim yog txoj kab hlau txuas nyias.

Koj tseem tuaj yeem muab cov yeeb yaj kiab polymer yaj nrog nplaim hluav taws. Qhov no yuav xav tau:

• quav 2 daim ntawm zaj duab xis ua ke;
• clamp cov npoo ntawm zaj duab xis rau hauv cov khoom tiv thaiv hluav taws;
• nqa cov khoom mus rau cov nplaim taws ntawm cov roj hlawv;
• tangentially kos cov ntug dawb ntawm zaj duab xis yas hla nplaim taws, kev txav chaw yuav tsum nrawm;
• tshem tawm cov khoom siv hluav taws xob, tso cai rau lub seam kom txias ib txwm.

Raws li qhov tshwm sim ntawm kev vuam, tau txais cov nqaws ruaj khov, zoo li cov menyuam.

Kev pom zoo

Thaum ua cov txheej txheem ntawm gluing lossis vuam cov yeeb yaj kiab polymer lossis polypropylene, nws yog qhov tsim nyog yuav tsum coj mus rau hauv tus account cov hauv qab no hauv kev ua haujlwm:

• lub nqaws thaum vuam polyethylene yuav muaj zog heev yog tias nws txias zuj zus ntawm chav sov;
• tom qab gluing cov khoom siv polymeric rau lub zog ntawm kev sib khi, nws yog qhov yuav tsum tau muab nws lub sijhawm ntxiv los ua kom tiav cov polymerization, raws li txoj cai, nws yog 4-5 teev;
• rau gluing cov ntaub ntawv polymeric hloov pauv, nws yog qhov zoo tshaj plaws los siv cov kua nplaum uas muab cov hlua ruaj khov, epoxy hauv qhov no tsis yog qhov kev ntseeg tshaj plaws.

Raws li kev xyaum qhia, vuam yog qhov kev xaiv zoo tshaj plaws thiab ntseeg tau tshaj plaws rau koom nrog cov ntawv yas, thaum cov nplaum yog qhov tsim nyog tshaj rau koom nrog polypropylene.