zvigadzirwa

Maitiro ekusanganisa Solvent-Yemahara Adhesives?

Parizvino kune marudzi maviri eanonyungudutsa-asina adhesives anochinjika ekurongedza macomposites, ega uye kaviri zvikamu.Chikamu chimwe chete chinonyanya kushandiswa papepa uye nonwovens, iyo inogona kushandiswa pasina kusanganisa uye pasina kugadzirisa chiyero.Zvikamu zviviri zvinogona kushandiswa kune akasiyana siyana anochinjika ekurongedza firimu.Zvichienderana neruzivo rwemunhu, peji rino rinotsanangura maitiro ekushandura chiyero chezvikamu zviviri zvezvinangwa zvakasiyana uye kuti zvinoshanda sei.

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Chekutanga, iyo yekusanganisa ratio musimboti we solvent-isina laminated binder yakagadzirwa.

Pane zvinhu zvitatu kune musanganiswa ratio dhizaini ye solvent-isina laminating adhesive:

1. Edza kuenzanisa chiyero chemusanganiswa wezvikamu zveA & B kune uremu.

A / B's compact blending ratio ine mukana wekuve nehuremu hwakafanana.Semuenzaniso, X i100A yakasanganiswa ne90B, Y iri 100A uye 50B.1% shanduko yeB ichaita kuti 1.1% ishanduke huremu hweA chikamu cheX uye 2% yeY. Kazhinji, shanduko ye2% muhuwandu hwekusanganiswa inogamuchirwa panguva yekugadzira, zvichikonzera shanduko yehuremu hwe2. %uye 4%.Kana uremu hwavo hwakasiyana zvakanyanya, izvi zvinogona kutungamirira kune zvinotevera anomalies:

(1) A / B zvikamu zvakaoma kusanganisa zvakanaka kuti musanganiswa usanyorova.

(2) Nekuda kwekushaikwa kwechikamu B, kudzvanywa kwemusanganisi kwakadzikira kuti ive nechokwadi chekuyerera nguva dzose, izvo zvinotungamira mukutsauka kweanonamatira uye kudzikira kwekugadzirwa.

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2. Sepedyo sezvinobvira kune viscosity yeA & B zvikamu

Iyo yakaderera iyo viscosity yechikamu A & B pane yakakodzera tembiricha, zviri nani kusanganisa maitiro.Tichifunga nezvekuita kwebhainda, iyo yekutanga viscosity yezvikamu zviviri zvakasiyana.Tembiricha inofanira kudzorwa zvakasiyana kugadzirisa iyo viscous kukosha.Kuwedzera tembiricha yechikamu chepakutanga nepamusoro viscosity kunoita kuti ive pedyo kune chimwe chikamu, uye inobatsira kune ese ari maviri musanganiswa metering mudziyo uye inobuda pombi.

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3. Kuwedzera kushivirira kweA & B musanganiswa

Nekuda kwezvimwe zvekunze zvinhu mu laminating, panofanira kunge paine kumwe kutsauka mukusanganisa reshiyo.Kuwedzera kushivirira kweA / B musanganiswa musanganiswa reshiyo inogona kunyatso kutsiva iyo yakaipa mhedzisiro yekutsauka uku.Semuenzaniso, iyo yakajairwa yakanyungudika isina adhesive WD8118A / B yezvinhu zvitsva kubva kune yakajairwa musanganiswa we100: 75 kusvika musanganiswa we100: 60 - 85, ese ari maviri anogamuchirwa mukushandiswa uye anogamuchirwa zvakanaka nevatengi vazhinji.

Chechipiri, musimboti uye nzira yekusanganisa reshiyo kugadzirisa

(1) Yakagadziridzwa kuitira ambient tembiricha uye humidity

Kazhinji, zviri muNCO muchikamu A zvakakwirira, nepo kuita nemhepo uye mhute mufirimu iri kuruboshwe.Zvisinei, mumwedzi yezhizha, kana kuine mhepo yakawanda mumhepo uye iyo firimu ine hunyoro hwepamusoro, chikamu A chinofanira kuwedzerwa kuti chishandise mutsi wakawandisa, izvo zvichaita kuti kugadzirisa kwakakodzera kwekunamatira.

(2) Yakagadziridzwa kune inki zvinhu uye zvinonyungudutsa zvinosara

Yakawanda inochinjika kurongedza ifirimu rakadhindwa, iyo yekumba yekudhinda maitiro ine solvent inki gravure kudhinda.Mumainki ane solvent-based as a additive pachange paine diluent uye retarder, ese ari polyurethane resin system, mune inonamira neNCO reaction inogona kupedza imwe NCO.

Isu tine hanya nekuchena uye hunyoro hwemukati wezvakasara solvent.Ivo vanozogara zvakanyanya kana zvishoma pane zvakadhindwa, uye iyo yakasara inoshanda haidrojeni inopedza imwe NCO.Kana zvisaririra zvakatetepa uye zvisaririra zvakakwirira, tinogona kuwedzera chikamu A kuti tivandudze zvabuda.

(3) Yakagadziridzwa kuchinjisa aluminium

Zvizhinji zvinochinjika zvekurongedza zvinhu zvave aluminized, uye mhedzisiro yekushushikana pajasi inogona kuderedzwa nekugadzirisa musanganiswa wezvikamu zveA / B kuti zvipfavise, kazhinji kuwedzera chikamu cheB nemazvo uye kuderedza kuchinjisa kwealuminium kuburikidza nekukanganisa anonamatira. .

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Nguva yekutumira: Kubvumbi-22-2021