Cov yam ntxwv thiab cov ntawv thov
Chloroprene roj hmab (CR) yog cov khoom siv tseem ceeb ntawm chloroprene roj hmab nplaum, tawv, tawv, iav, ua si, pob zeb ua khoom, yog li ntau lwm cov ntaub ntawv, yog li ntawd Cov tshuaj nplaum hauv Chloroprene Adhesive tseem yog yog li, neoprene roj hmab nplaum kuj muaj lub npe ntawm 'universal adhesive '. Cov roj hmab nooprene nplaum muaj cov kuab tshuaj thiab hom kua thiab cov kua ua kua dawb, cov kuab tshuaj tau muab faib ua cov khoom sib xyaw thiab txuas ntxiv. Blends muaj xws li cov nplaum ntshiab crhates thiab CRUHesives muaj cov fillers, ntxiv rau cov khoom siv cob-hloov kho. GACT GACT yog neoprene roj hmab thiab methyl metacrylate thiab lwm yam Monomer daws teeb meem rau cophymerization ntawm cov nplaum. Tam sim no, cov kuab tshuaj-raws cov roj hmab neoprene yog tseem siv tau tshaj plaws, kev ntsuas yuav tsum tau coj los txo cov pa phem rau ib puag ncig.
Ua ntej, sib xyaw hom neoprene roj hmab adhesive
Sib xyaw noprene roj hmab nplaum txhais tau tias cov roj hmab neoprene, ntxiv rau cov kuab tshuaj, cov tshuaj tua kab mob antioxidants, fillers thiab lwm yam ntxiv.
Cov neeg laus tus neeg sawv cev, muab tub lim thiab lwm yam kev sib ntxiv rau hauv ib-tiv thaiv lossis ob-feem kuab tshuaj nplaum.
1, cov yam ntxwv
(1), tus txheej txheem nplaum thawj zaug, cov roj hmab tau yooj yim rau kev siv roj hmab yooj yim, nws tuaj yeem yog instantuality crystallization ntxiv nrog
Tackifier resin, qhia ib tug loj thawj adhesive quab yuam. (2), lub zog ntawm kev tsim nrawm, neoprene Adhesives cia siab rau lawv tus kheej crystallization thiab kho crystallization ceev, tsev kawm ntawv tau txais lub zog txaus. (3), HIGH HEEV lub zog, siab crystallinity ntawm neoprene roj hmab, cohesion zog, thiab yog li siab ua lub zog ntawm Creyesive. (4), kev tshaj tawm kev tawm tsam zoo, roj ua tsis tau, dej tsis kam, tshuaj lom neeg tsis zoo. (5) Cov nplaum txheej yog mos, ywj thiab tiv taus kev poob siab thiab kev co. (6), lub teeb tsis zoo, lub teeb ua tsis zoo, ozone kuj, cov kev laus ntawm cov nplaim hluav taws xob tiv thaiv, nplaim taws retardant. Roj Hmab thiab Hlau Kev Ua Raws Li 20 Xyoo Tom Qab Lub Zog Kev Ua Haujlwm yuav luag tsis poob. (7), ntau hom kev siv, cov khoom siv hlau muaj cov nplaum sib txawv, tshwj xeeb tshaj yog cov khoom sib txawv rau ib leeg, lwm cov roj hmab-cov nplaum roj hmab tsis tuaj yeem piv. (8), siv tau yooj yim, tom qab ziab kom qhuav, ib zaug kev sib ze, tuaj yeem kho tau ntawm qhov kub sab nraum zoov. (9), cov cua sov tsis zoo, txias kuj tsis zoo. (10), feem ntau ntawm cov kuab tshuaj-raws cov nplaum neoprene muaj qee qhov kev lom zem ntawm kev lom zem thiab cov pa phem.
Sib xyaw noprenee nplaum yog cov nplaum heev, siv dav hauv kev tsim khoom lag luam thiab lub neej txhua hnub. Tshwj xeeb nws yog dav siv hauv kev lag luam ntau lawm thiab txhua hnub ua haujlwm, tshwj xeeb hauv khau-kev ua si, kev tsim kho, kev lag luam thiab lwm yam kev lag luam nrog ntau tus nqi.
Nplooj ntawv 2.
Xyaw noprene roj hmab muaj neoprene roj hmab, pleev xim rau cov roj hmab, hlau oxides, cov kuab tshuaj, antioxidants, fillers, accelerators,
Crosslinking tus neeg sawv cev thiab lwm yam.
I. Chloroprene Roj Hmab
Chloroprene roj hmab, tseem hu ua polychloroprene, yog 2-chloro-1,3 butadiene raws li lub ntsiab raw khoom los ntawm emulsion polymerization thiab tsim ib hom elastomer.
Elastomer. Chloroprene roj hmab yog dawb lossis daj daj lossis tawv tawv, nrog cov roj pleev xim zoo, zoo tensile lub zog thiab elongation. Kev laus laus, kub, roj thiab tshuaj lom neeg kuj. Huab cua tiv thaiv thiab ozone kev tiv thaiv laus yog ob tsuas yog rau cov roj hmab prantylene ethylene ethylene roj hmab thiab butyl roj hmab. Thaum tshav kub kub ua hauj thiab nitrile roj hmab. Zoo tsis kam mus rau inorganic acid thiab alkali corrosion. Muaj qee qhov degree ntawm nplaim hluav taws retardancy. Me ntsis tsis zoo zuj zus los, kev rwb thaiv hluav taws xob tsis zoo.
2, zam tes ua haujlwm
Tackifier resin yog ib qho tseem ceeb ntawm cov kuab tshuaj nplaum, uas tuaj yeem txhim kho cov khoom nplaum, cov khoom siv cua sov, dej tsis kam thiab kev laus tsis kam.
Kev sib deev thiab kev laus tsis kam. Tackifier resins siv yog thermo-reactive alkyl phenolic resins, rosin-hloov cov txheej txheem thenolic, cov duab ntawm cov pos hniav ntawm pob zeb, poly athylstyrene thiab lwm yam. Ntawm lawv, tert-butylphenol formaldehyde cob (2402 cob qhia) muaj qhov zoo tshaj plaws. Tackifier resin muaj yuav luag tsis muaj qhov cuam tshuam ntawm lub crystallinity ntawm cov roj hmab neoprene neoprene. Terpene Phenolic Resin yog ib qho tsis-reactive thermoplastic betin tuaj yeem txuas ntxiv cov nplaum khaws cia, thiab ua cov nplaum nplaum yuav ua rau cov ntses nplaum nog
Cov Duab Ntxauv Nrov tseem muab kev nce me me hauv txoj hlua khi ntawm lub zog ntawm cov nplaum ntawm cov kua nplaum. Chloroprene Rabber AF yog carboxylic acid cr, uas cov txheej txheem cia ua ke, txawm li cas los ntawm cov khoom siv hluav taws xob nrawm nrawm, uas yog vim yog cov nyhuv ntawm cov hlau nplaum. Yog li ntawd, nyob rau hauv kev npaj ntawm AF neoprene adhesive nyob rau hauv thiaj li yuav tau txais kev tawm tsam zoo tshaj plaws rau cov neeg muaj peev xwm ua ntej 2402 tus kab mob hydroxs thiab muaj peev xwm magnesium
3, hlau oxides
Hlau oxides nyob rau hauv neoprene adhesives muaj plaub lub luag haujlwm, cov tshuaj tiv thaiv acid, anti-scch tus neeg sawv cev, vulcanizing tus neeg sawv cev, resin reactant. Lub sijhawm dhau los, cov roj hmab nooprene yuav tso cov nqi ntawm hydrogen ntawm polymers, thiab cov khoom siv hlau, tuaj yeem nqus cov tshuaj polymer, tuaj yeem nqus cov tshuaj polymerb tuaj yeem nqus cov tshuaj pleev kom tsis txhob muaj kev cuam tshuam txuas ntxiv. Cov hlau oxides feem ntau siv yog tsuas yog zinc oxide thiab magnesium. Magnesium oxide muaj cov haujlwm ntawm kev nqus cov acid, ua ntej cov tshuaj tiv thaiv, tshuaj tiv thaiv, viccanization, thiab lwm yam yog qhov tsis tseem ceeb ntawm neoprene nplaum. Cov tshuaj tiv thaiv hlau nplaum thiab cov tshuaj tiv thaiv oxide ntau ntxiv, cov khoom siv kub ua kom muaj txiaj ntsig zoo, tab sis qhov ruaj khov ntawm cov kua roj hmab tau txo qis. Qhov sib ntxiv ntawm magnesium oxide tuaj yeem ua kom nrawm dua cov nplaum ua kom qhuav, thiab muaj peev xwm txhim kho lub teeb thawj zaug kom muaj zog, uas tuaj yeem ua rau lub teeb ci ntsa iab magnesium oxide oxide. Lub teeb magnesium oxide yog hmoov dawb amorphous, tsw thiab tsis muaj qab hau. Tus txheeb ze ntom 3. 58, melting point 28520nc, boiling point 36000c nyob rau hauv cov cua yuav maj mam nqus cov pa roj carbon dioxide thiab cov pa roj carbonate yooj yim. Zinc oxide ntxiv rau chloroprene nplaum tuaj yeem ua lub luag haujlwm ntawm kev nqus cov kua txob, tab sis kuj tseem nyob hauv qab ntawm cov nag lossis daus. Nyob rau tib lub sijhawm, zinc oxide tuaj yeem ua cov kua nplaum ua rau cov tawv ntoo, yog li cov duab nplaum nplaum tsis qhuav, zoo li lub ntsej muag nplaum kom qhuav, zinc oxide yuav txhawb kev laus ntawm cov khoom. Raws li cov laj thawj saum toj no tuaj yeem tshem tawm cov khoom siv hluav taws xob ntxiv nrog zinc oxide tsis ntxiv zinc oxide, cov kua nplaum yog pob tshab thiab tsis yog txheej. Yog tsis muaj zinc oxide tseem tuaj yeem ua tiav lub zog uas yuav tsum tau ua rau muaj kev hlawv ntawm cov nplaum nplaum kom zoo nkauj, kom tiv thaiv cov nplaum hauv lub sijhawm ntev cia
Tsim gel thiab nag lossis daus, thiab yuav tsis ua rau theem sib cais ntawm cov kua nplaum. Yog tias lub neoprene nplaum uas muaj kev sib koom tes kub, ntxiv ib qho nyiaj me me (1 ~ 3 daim ntawv) ntawm ultra-nplua nquag zinc oxide tau txais txiaj ntsig.
4, antioxidant
Txhawm rau tiv thaiv cov decomposition ntawm roj hmab, txhim kho cov laus tiv, kom muaj kev pabcuam lub neej, nws yog ib qho tsim nyog los ntxiv cov tshuaj tua kab mob tsim nyog. Siv Antioxidant D nyhuv yog qhov zoo heev tab sis cov carcinogenic yuav tsum tau tso tseg rau Oda, RD, 264, thiab lwm yam. Antioxidant 2246 tseem siv tau, tab sis yuav tsim cov xwm txheej tsis zoo, hauv cov kuab tshuaj xiav, xiav rau cov xim ntsuab nyob rau hauv latex yog liab.
5, cov kuab tshuaj
Kaus yog cov kuab tshuaj-raws li cov nplaum tshiab neopresive indispensable siab ntawm cov khoom siv, kev ua tau zoo ntawm cov nplaum muaj qhov cuam tshuam tseem ceeb. Chloroprene Roj Hmab Solubility Tus naj npawb ntawm 9.4, cov soluboromethane, Trichlorethhane, Trichlorethhane, Trichlorethane, Backhlorethane, Backhlorethhane, Butanone, thiab lwm yam, me ntsis soluble hauv cyclohexane, Ethyl acetate, methyl acetate, isopropyl acetate, acetone, insoluble hauv n-alkane, n-heptane, isopropanol thiab lwm yam. Cov roj hmab uas tsis tau pom thiab tsis yog cov tshuaj tiv thaiv ib leeg xwb ntawm cov roj hmab uas tsim nyog ntawm cov roj hmab, tab sis los ntawm kev sib xyaw tsim nyog ntawm kev sib xyaw tuaj yeem ua tiav cov roj hmab neoprene. Cov roj hmab solubility ntawm neoprene roj hmab, nplaum viscosity, cov nplaum ua kom nrawm, kev ua kom qhuav, tsis muaj txiaj ntsig, thiab lwm yam.
6, muab tub lim
Muab tub lim rau hauv cov kuab tshuaj-raws cov nplaum yog tsis siv ntau, vim tias cov nplaum nplaum, cov ntsiab lus tsis yooj yim, tsis yooj yim rau precipitate, tsis tuaj yeem ua lub luag haujlwm xav tau. Yog tias siv cov roj teeb hluav taws xob calcium yog siv, nws yuav ruaj khov. Thiab kev siv ntawm ultrafine cov hmoov, ultraser silica, ultrafine silica, trafine silica, trafine silica, trafine silicate, ultrafine av nplaum tsuas yog tswj tau rau lub sijhawm luv luv. Thiab thaum kawg yuav muaj nag lossis daus.
7, tus neeg saib xyuas tus neeg sawv cev
Tus neeg sawv cev hla, tseem hu ua tus kho tus neeg sawv cev, ua kom nrawm nrawm, cov roj tsis kam, tshuaj tiv thaiv, kev laus tsis kam. Cov neeg sawv cev uas siv tau siv rau Polyisocyanate, xws li tetraiisocyanate. Polyisocyanate crosslinking tus neeg sawv cev nrog siab recharity, ntxiv chloroprinked nplaum, raws li ob qho kev sib xyaw ua ntej, ua ntej siv cov kev xa tawm, sib xyaw thiab siv tam sim ntawd.
8, accelerator
Promoter yog los txhawb kev volcanization los txhim kho cov cua sov ua kom zoo thiab ntxiv cov tshuaj, dipherylliea (DORORETER C), DOSYERCHEERMETHYE, tshuaj Dosage ntawm General 0.25 ~ 1 sib koom. Qee tus neeg pom nyob rau hauv Chloroprene nplaum los ntawm kev ntxiv BN-vulcanizing dub, tuaj yeem nrawm tsis muaj tsawg tshaj li polyisocyanate system thiab kuab lom tau zoo heev.
