Henan Niujiao Industrial Co., Ltd.
Niujiao Chemical tshwj xeeb hauv kev muab ntau yam khoom siv tshuaj, tsom mus rau kev tshawb fawb thiab kev tsim kho, kev tsim khoom thiab kev lag luam ntawm ntau yam tshuaj raw cov ntaub ntawv thiab cov khoom lag luam, tso siab rau cov khoom zoo tshaj plaws xa tawm mus rau ntau tshaj li lub teb chaws thiab cheeb tsam.

Vim Li Cas Xaiv Peb

Ntau yam ntawm Additives

Peb muab ntau hom roj hmab additives, nrog rau cov accelerators, antioxidants, thiab lwm yam. Peb cov khoom sib txawv ntawm cov khoom lag luam caters rau ntau yam roj hmab formulations thiab kev siv, muab kev daws teeb meem rau peb cov neeg siv khoom.

High-Quality Manufacturing

Peb cov chaw tsim khoom siv cov thev naus laus zis siab heev thiab ua raws li kev tswj hwm nruj nruj. Peb muab qhov tseem ceeb tshaj plaws hauv txhua kauj ruam ntawm cov txheej txheem tsim khoom, kom ntseeg tau tias cov khoom siv roj hmab ua tau zoo thiab ua tau raws li cov qauv thoob ntiaj teb.

Customization Muaj peev xwm

Peb nkag siab tias txhua tus neeg siv khoom yuav muaj cov kev cai tshwj xeeb. Peb muaj qhov yooj yim los kho peb cov roj hmab additives kom tau raws li cov kev xav tau tshwj xeeb, ua kom pom kev sib raug zoo thiab kev ua tau zoo hauv ntau daim ntawv thov roj hmab.

Tus nqi sib tw

Peb nkag siab qhov tseem ceeb ntawm kev ua kom tau nyiaj zoo hauv lub. Nrog rau kev ua tiav ntau yam thiab cov lus qhia tshwj xeeb, tus nqi zoo thiab cov kev pabcuam zoo, nws muaj lub koob npe nrov hauv kev ua lag luam, yeej ntau thiab ntau tus neeg siv khoom, thiab tau mus txog kev sib koom tes ntawm kev sib raug zoo.

24308-84-7 Zinc Benzenesulfinate Dihydrate Rubber Active Agent ZBS(BM)

57-11-4 CARBOXYLIC ACID C18 Stearic Acid Activator C18H36O2

102-71-6 Roj Hmab Vulcanization Activator Amino-Triethanol Triethanolamine C6H15NO3

Dab tsi yog Zinc Oxide siv rau hauv Roj Hmab?

Zinc oxide ua lub luag haujlwm tseem ceeb hauv cov txheej txheem vulcanization ntawm cov roj hmab, uas yog cov txheej txheem tshuaj uas hloov cov roj hmab mus rau hauv cov khoom siv ruaj khov dua los ntawm kev qhia txog kev sib txuas ntawm cov saw hlau polymer. Cov kev siv tseem ceeb ntawm zinc oxide hauv roj hmab yog:

Lub zog ntawm lub activator

Zinc oxide feem ntau siv nrog sulfur ua tus neeg sawv cev vulcanizing. Txawm li cas los xij, cov txheej txheem vulcanization tuaj yeem ua kom nrawm los ntawm kev ntxiv cov tshuaj accelerators rau cov roj hmab sib tov. Zinc oxide ua tus activator rau cov accelerators, txhim kho lawv cov hauj lwm zoo thiab txo lub sij hawm thiab kub yuav tsum tau rau vulcanization.

Xim thiab kev laus stabilization

Nws pab txhawm rau txhim kho cov xim ntawm cov roj hmab thiab tiv thaiv cov khoom tiv thaiv UV teeb thiab oxidative kev laus, yog li ua kom lub neej ntev ntawm cov khoom siv roj hmab.

Txhim kho lub zog thiab elasticity

Zinc oxide pab txhawb rau tag nrho cov khoom siv ntawm cov roj hmab vulcanized, nrog rau kev txhim kho lub zog thiab elasticity.

4. Ua raws li kev muab tub lim

Qee zaum, zinc oxide kuj tseem siv los ua cov khoom siv los txhim kho cov yam ntxwv ntawm cov roj hmab thiab txhim kho nws lub cev.

5. Antimicrobial khoom

Zinc oxide imparts antimicrobial zoo rau cov roj hmab, uas tuaj yeem muaj txiaj ntsig zoo hauv cov khoom uas xav tau kev nyiam huv, xws li hnab looj tes kho mob thiab khau.

Hauv cov ntsiab lus, zinc oxide yog ib qho tseem ceeb hauv kev tsim cov roj hmab sib txuas, muab kev nrawm ntawm vulcanization, stabilization ntawm cov khoom siv, thiab txhim kho nws cov khoom siv dag zog, tag nrho cov uas ua rau cov khoom siv roj hmab zoo.

Zinc siv los ua Rubber li cas?

Zinc tsis yog siv ncaj qha los ua cov roj hmab. Hloov chaw, nws yog ntxiv rau cov roj hmab sib txuas ua ib qho curative lossis activator. Zinc oxides feem ntau yog siv los ua activators hauv roj hmab vulcanization, uas yog cov txheej txheem ntawm kev sib txuas ntawm cov roj hmab molecules los txhim kho nws lub zog, elasticity, thiab durability.
Thaum lub sij hawm roj hmab vulcanization, sulfur yog ntxiv rau cov roj hmab sib txuas los tsim kev sib txuas ntawm cov roj hmab molecules. Zinc oxides ua cov activators los ntawm kev txhawb cov tshuaj tiv thaiv ntawm leej faj thiab roj hmab. Lawv pab kom ceev cov txheej txheem vulcanization thiab txhim kho qhov zoo ntawm cov roj hmab vulcanized.

Zinc oxides kuj muaj lwm yam txiaj ntsig zoo hauv cov khoom siv roj hmab. Lawv tuaj yeem txhim kho cov cua sov ua haujlwm thiab kev laus ua haujlwm ntawm cov roj hmab, nrog rau txo cov nplaum thiab tsw ntawm cov roj hmab sib xyaw.
Tus nqi ntawm zinc oxide ntxiv rau cov khoom siv roj hmab yog nyob ntawm daim ntawv thov tshwj xeeb thiab cov kev xav tau ntawm cov khoom siv roj hmab. Feem ntau, tus nqi ntawm zinc oxide siv yog me me, feem ntau yog li ntawm 1 txog 5 feem ntawm ib puas feem ntawm roj hmab (phr).

Dab tsi yog qhov zoo ntawm Pre Dispersion ntawm Rubber Additives?

1. Kev tiv thaiv ib puag ncig. Zam kom tsis txhob muaj plua plav paug hauv chav ua haujlwm thiab tiv thaiv kev noj qab haus huv ntawm cov neeg ua haujlwm.
2. Zoo dispersion thiab uniformity.
3. Kev sib raug zoo nrog cov ntaub ntawv roj hmab tuaj yeem txuag lub sijhawm sib xyaw.
4. Yooj yim rau hnyav, haum rau automated nruam hnyav, yooj yim rau kev thauj mus los thiab cia.
5. Tsis muaj kev poob thaum lub sijhawm ua haujlwm, ua kom ruaj khov ntawm cov khoom siv.

Dab tsi yog Activator ntawm Roj Hmab?

Nyob rau hauv cov ntsiab lus ntawm vulcanization, cov activators yog cov khoom uas txhim khu kev ua tau zoo ntawm cov vulcanizing agents, feem ntau accelerators, uas ua kom cov txheej txheem sib txuas ntawm cov roj hmab polymer chains. Feem ntau cov activators siv hauv roj hmab compounding muaj xws li:

1. Zinc Oxide (ZnO)

Zinc oxide yog siv dav hauv kev lag luam roj hmab. Nws tsis tsuas yog activates accelerators tab sis kuj txhim kho cov dispersion ntawm fillers nyob rau hauv cov roj hmab matrix thiab ua raws li ib tug tiv thaiv colloid.

2. Stearic Acid

Feem ntau siv nrog zinc oxide, stearic acid pab faib zinc oxide uniformly thoob plaws hauv cov roj hmab compound thiab tuaj yeem ua kom cov txheej txheem vulcanization.

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3. Thiazoles thiab Sulfenamides

Cov no yog cov chav kawm ntawm cov accelerators lawv tus kheej tab sis tuaj yeem ua tus activators rau ib leeg, txhais tau tias ib hom accelerator tuaj yeem qhib lwm tus kom ceev cov txheej txheem vulcanization.

4. Magnesium Oxide (MgO)

Tsawg siv ntau dua li zinc oxide, magnesium oxide tuaj yeem ua haujlwm ua tus activator hauv qee hom roj hmab tebchaw.

5. Pentachlorothiophenol (PCT)

Siv los ua tus activator nyob rau hauv lub xub ntiag ntawm tej yam accelerators los txhim kho tus nqi ntawm vulcanization tshwm sim.

Cov activators no ua haujlwm los ntawm kev nce cov haujlwm ntawm cov accelerators, yog li txo cov sijhawm thiab kub uas yuav tsum tau ua rau vulcanization. Qhov tshwj xeeb activator xaiv nyob ntawm seb hom roj hmab tau ua tiav, cov khoom xav tau ntawm cov khoom kawg, thiab qhov tshwj xeeb accelerator raug siv.

Koj Yuav Qhia Li Cas Yog Roj Hmab Vulcanized?

Koj tuaj yeem qhia tau tias roj hmab yog vulcanized los ntawm kev ua ob peb qhov kev sim yooj yim:

Tear test: Vulcanized roj hmab muaj zog dua thiab nyuaj rau tsim kua muag dua li unvulcanized roj hmab. Koj tuaj yeem ua qhov kev sim kua muag los ntawm kev tuav ib qho me me ntawm cov roj hmab ntawm koj cov ntiv tes thiab rub nws sib nrug. Yog hais tias cov roj hmab kua muag tau yooj yim, nws yuav yog unvulcanized. Yog tias nws siv lub zog loj los rhuav tshem cov roj hmab, nws yuav yog vulcanized.
Hardness test: Vulcanized roj hmab feem ntau nyuaj dua unvulcanized roj hmab. Koj tuaj yeem ua qhov kev sim hardness los ntawm kev siv lub durometer los ntsuas qhov hardness ntawm roj hmab. Lub durometer ntsuas qhov indentation hardness ntawm cov khoom siv los ntawm kev siv lub zog paub rau tus qauv indentor thiab ntsuas qhov tob ntawm indentation.
Elasticity test: Vulcanized roj hmab feem ntau elastic dua li unvulcanized roj hmab. Koj tuaj yeem ua qhov kev ntsuam xyuas elasticity los ntawm kev ncab ib qho me me ntawm cov roj hmab thiab saib seb nws rov qab los rau nws qhov qub. Yog tias cov roj hmab rov qab mus rau nws cov qauv qub sai sai thiab tag nrho, nws yuav yog vulcanized. Yog tias cov roj hmab khaws qee yam ntawm nws cov duab ncab, nws yuav yog unvulcanized.
Kev ntsuam xyuas pom: Vulcanized roj hmab feem ntau muaj qhov zoo nkauj thiab zoo ib yam, thaum cov roj hmab unvulcanized yuav zoo li npub lossis muaj qhov tsis sib xws. Koj tuaj yeem ua qhov kev kuaj pom los ntawm kev soj ntsuam qhov chaw ntawm cov roj hmab. Yog tias cov roj hmab muaj qhov zoo sib xws thiab zoo ib yam, nws yuav yog vulcanized. Yog tias cov roj hmab zoo li npub lossis muaj qhov tsis sib xws, nws yuav yog unvulcanized.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov kev ntsuam xyuas no tsis yog kev dag ntxias thiab tej zaum yuav tsis yog qhov tseeb. Yog tias koj xav tau los txiav txim siab seb cov roj hmab puas yog vulcanized, nws yog qhov zoo tshaj rau kev sab laj nrog lub chaw kuaj mob lossis chaw kuaj mob.

Cov txheej txheem ntawm Vulcanizing Rubber yog dab tsi?

Vulcanizing roj hmab yog cov txheej txheem tshuaj uas qhia txog kev sib txuas ntawm cov saw hlau polymer hauv cov khoom siv roj hmab. Cov txheej txheem no yog ua tiav los ntawm kev sib ntxiv ntawm cov sulfur thiab kev siv cov cua sov thiab siab. Ntawm no yog ib kauj ruam los ntawm kauj ruam piav qhia ntawm cov txheej txheem vulcanization:

Compounding: Cov roj hmab nyoos yog tov nrog ntau yam khoom xyaw xws li sulfur, accelerators, fillers, antioxidants, thiab roj los tsim ib qho kev sib xyaw uas yuav ua rau vulcanization.

Preheating: Cov roj hmab sib xyaw yuav raug preheated kom tshem tawm cov dej noo thiab ua kom yooj yim dua vulcanization.

Xovxwm Vulcanization: Cov roj hmab sib xyaw yog muab tso rau hauv pwm hauv kev teeb tsa xovxwm vulcanization. Cov pwm tsim cov roj hmab, thiab cov xovxwm siv cov cua sov thiab siab rau qhov sib xyaw. Lub vulcanization tshwm sim nyob rau hauv cov xwm txheej no, feem ntau ntawm qhov kub ntawm 140 degree txog 165 degree (284 degree F txog 329 degree F) rau cov roj hmab ntuj thiab siab dua rau cov roj hmab hluavtaws. Lub siab yog tswj xyuas kom ntseeg tau tias cov roj hmab puv cov pwm thiab khaws nws cov duab thaum lub sij hawm vulcanization.

Tsiv Tuag Vulcanization: Lwm txoj hauv kev rau xovxwm vulcanization yog txav tuag vulcanization, qhov twg cov roj hmab yog extruded rau hauv ib lub raj ntev thiab txiav mus rau hauv seem uas haum rau hauv cov kab noj hniav ntawm cov pwm tig. Cov pwm heats cov roj hmab thiab siv lub siab thaum nws tig, shaping thiab vulcanizing cov roj hmab ib txhij.

Curing: Cov kev sib txuas sib txuas ntawm cov roj hmab polymer chains thiab cov sulfur (catalyzed los ntawm lub accelerator) yuav siv sij hawm qhov chaw nyob rau hauv lub vulcanization kub. Lub sij hawm ntev ntawm cov roj hmab siv nyob rau hauv cov pwm nyob ntawm qhov sib xyaw ua ke thiab qhov loj thiab qhov nyuaj ntawm qhov tsim.

Kev Kho Mob Tom Qab: Tom qab vulcanization, cov khoom siv roj hmab tuaj yeem raug kho tom qab kho kom ntseeg tau tias tag nrho cov khoom tsis hloov pauv tau raug tshem tawm thiab cov khoom siv ntawm cov roj hmab tau tsim tag nrho. Qhov no tuaj yeem ua tiav hauv qhov cub ntawm qhov kub qis dua li siv rau vulcanization.

Kev Ua tiav: Cov roj hmab vulcanized raug tshem tawm ntawm pwm thiab ua tiav cov haujlwm xws li txiav, sib tsoo, drilling, lossis sib dhos los tsim cov khoom kawg.

Vulcanization zoo heev txhim kho lub cev ntawm cov roj hmab, ua kom nws ruaj khov, elastic, thiab tiv taus qhov kub thiab txias, tshuaj, thiab huab cua. Cov txheej txheem muaj npe tom qab Vulcan, Roman tus vaj tswv ntawm hluav taws thiab forge, xav txog kev kho cua sov ntawm cov txheej txheem.

Dab tsi ntxiv rau Natural Roj Hmab kom nws muaj zog?

Cov roj hmab ntuj tuaj yeem ntxiv dag zog los ntawm kev ntxiv ntau yam tshuaj, xws li:

Sulfur

Sulfur yog cov khoom siv vulcanizing feem ntau siv hauv cov khoom siv roj hmab. Thaum ntxiv rau cov roj hmab ntuj, sulfur cross-links cov roj hmab molecules, uas ua rau cov khoom muaj zog thiab ruaj khov dua.

Zinc oxide

Zinc oxide yog ib hom activator siv hauv roj hmab vulcanization. Nws pab kom ceev cov tshuaj tiv thaiv ntawm leej faj thiab roj hmab, uas ua rau muaj zog vulcanized roj hmab.

Cov pa roj carbon dub

Cov pa roj carbon dub yog cov khoom siv ntxiv uas feem ntau ntxiv rau cov roj hmab sib txuas los txhim kho lawv lub zog, tawv tawv, thiab hnav-tiv taus.

Silica

Silica yog ib qho kev txhawb nqa ntxiv uas tau siv ntau dua hauv cov roj hmab sib txuas los txhim kho lawv lub zog, tawv, thiab kub tsis kam.

Roj hmab chemicals

ntau yam roj hmab chemicals, xws li accelerators, activators, thiab antioxidants, yuav muab ntxiv rau cov roj hmab tebchaw los txhim kho lawv cov kev ua thiab kev ua tau zoo yam ntxwv.

Fibers

Fibers xws li iav fiber, carbon fibers, thiab aramid fibers tuaj yeem muab ntxiv rau cov roj hmab sib txuas los txhim kho lawv lub zog, tawv, thiab qaug zog.

Kev xaiv ntawm cov khoom siv ntxiv yog nyob ntawm daim ntawv thov tshwj xeeb thiab cov kev xav tau ntawm cov khoom siv roj hmab. Feem ntau, kev siv ntau yam khoom siv hauv kev sib xyaw ua ke tuaj yeem ua rau cov roj hmab muaj zog thiab ruaj khov dua.

Dab tsi yog Vulcanizing Agents ntawm Roj Hmab?

Feem ntau vulcanizing agents rau roj hmab muaj xws li:

Sulfur

Sulfur yog cov khoom siv vulcanizing ntau tshaj plaws. Nws reacts nrog cov roj hmab molecules los tsim cross-links, yog li txhim kho elasticity, lub zog, thiab durability ntawm roj hmab.

Peroxides

Peroxides, xws li dicumyl peroxide thiab benzoyl peroxide, yog siv nyob rau hauv ib co roj hmab tebchaw. Lawv muab tus nqi vulcanization sai dua thiab tuaj yeem tsim cov roj hmab nrog cov cua sov zoo dua.

Zinc oxide

Txawm hais tias tsis yog tus neeg sawv cev vulcanizing nws tus kheej, zinc oxide plays lub luag haujlwm tseem ceeb ua tus activator lossis accelerator hauv cov txheej txheem vulcanization. Nws pab ceev cov tshuaj tiv thaiv ntawm cov roj hmab thiab tus neeg sawv cev vulcanizing.

Mercaptan

Mercaptans, xws li ethylene thiourea thiab tetramethylthiuram disulfide, qee zaum siv los ua vulcanizing agents. Lawv tuaj yeem muab cov adhesion zoo thiab khiav rov qab rau cov roj hmab.

Phenolic resins

Phenolic resins tuaj yeem siv los ua vulcanizing cov neeg ua haujlwm hauv qee cov roj hmab sib txuas, tshwj xeeb yog cov roj hmab sib txuas rau hlau lossis lwm cov substrates.

Resorcinol formaldehyde Resin (RFR)

RFR yog lwm hom resin uas tuaj yeem siv los ua tus neeg sawv cev vulcanizing, tshwj xeeb tshaj yog nyob rau hauv cov nplaum thiab sealants.

Kev xaiv ntawm vulcanizing tus neeg sawv cev nyob ntawm seb hom roj hmab tshwj xeeb, cov khoom xav tau ntawm cov khoom kawg, thiab cov txheej txheem tsim khoom. Cov neeg ua haujlwm vulcanizing sib txawv tuaj yeem cuam tshuam qhov ceev ntawm vulcanization, qhov tshwm sim ntawm cov roj hmab, thiab nws tsis kam mus rau tshav kub, kev laus, thiab tshuaj lom neeg.

Dab tsi yog Coagulant rau Roj Hmab?

Cov coagulant rau roj hmab yog ib yam khoom uas ua rau latex, kua kua txiv ntawm tsob ntoo roj hmab (Hevea brasiliensis) los yog lwm yam roj hmab nroj tsuag, kom khov los yog coagulate rau hauv cov khoom hais. Cov txheej txheem no yog qhov tseem ceeb hauv kev tsim cov roj hmab ntuj vim nws cais cov roj hmab los ntawm cov kua dej uas nws raug tshem tawm.

Cov coagulants feem ntau siv rau cov roj hmab latex muaj xws li:
1. Formic acid: Cov organic acid uas tsis muaj zog uas ua rau cov proteins hauv cov latex ua rau coagulation.
2. Ammonium sulfate (NH4) 2SO4: Ib qho ntsev uas tuaj yeem ua rau cov roj hmab coagulate los ntawm kev hloov cov nqi hluav taws xob hauv cov latex.
3. Calcium oxalate: Ua los ntawm kev ua ntawm enzymes hu ua lipoxygenases ntawm unsaturated fatty acids tam sim no nyob rau hauv latex; Qhov no yog lub ntuj coagulant uas tuaj yeem raug cuam tshuam los ntawm kev raug mob rau cov ntoo roj hmab.
4. Aluminium sulfate (Alum): Ib ob lub sulfate ntsev uas tuaj yeem ua rau coagulation los ntawm kev cuam tshuam nrog cov kua roj ntsha.

Kev xaiv ntawm coagulant tuaj yeem cuam tshuam rau cov khoom ntawm cov roj hmab uas tau tshwm sim thiab cuam tshuam los ntawm cov yam ntxwv xav tau ntawm cov khoom kawg, cov txheej txheem kev koom tes, thiab kev xav txog nyiaj txiag. Tom qab coagulation, cov roj hmab tau sau, nias rau hauv cov blocks, thiab nws thiaj li dhau mus ua ntxiv los tsim cov roj hmab bale, uas yog siv tau rau ntau yam kev siv.

Dab tsi yog Vulcanized Roj Hmab?

Vulcanized roj hmab feem ntau muaj xim grey lossis xim dub. Qhov tseeb ntxoov ntxoo tuaj yeem sib txawv nyob ntawm seb hom roj hmab, cov khoom siv ntxiv nrog rau lub sijhawm vulcanization txheej txheem, thiab cov txheej txheem ntawm kev ua. Piv txwv li, carbon dub feem ntau ntxiv rau roj hmab los txhim kho nws lub zog, durability, thiab abrasion tsis kam, uas ua rau muaj xim tsaus. Cov roj hmab ntuj uas yog vulcanized yam tsis muaj pigments ntxiv yuav muaj xim grey dua. Cov xim ntawm cov roj hmab vulcanized tsis cuam tshuam rau nws cov khoom siv kho tshuab, tab sis nws tuaj yeem yog qhov tseem ceeb hauv cov khoom zoo nkauj thiab qee zaum tuaj yeem qhia tias muaj qee yam khoom ntxiv uas cuam tshuam rau kev ua haujlwm.

Nws txhais li cas thaum Rubber yog Vulcanized?

Thaum cov roj hmab yog vulcanized, nws nkag mus rau cov txheej txheem tshuaj uas hloov nws cov khoom. Vulcanization yog qhov tseem ceeb hauv kev hloov roj hmab los ntawm cov khoom muag muag thiab pliable mus rau hauv ib qho kev ruaj khov thiab ua haujlwm zoo.

Thaum lub sij hawm vulcanization, cov roj hmab molecules tau txuas ua ke los ntawm cov txheej txheem sib txuas. Qhov no tsim ib qho kev sib txuas ntawm cov tshuaj sib txuas hauv cov roj hmab, uas txhim kho nws lub zog, elasticity, thiab tsis kam mus rau deformation. Cov kev sib txuas sib txuas kuj ua rau cov roj hmab tiv taus cua sov, kev laus, thiab tshuaj lom neeg.

Vulcanization muab cov khoom siv roj hmab zoo dua qub, ua rau nws haum rau ntau yam kev siv. Piv txwv li, cov roj hmab vulcanized yog siv rau hauv cov log tsheb, cov ntsaws ruaj ruaj, hoses, thiab lwm yam khoom uas yuav tsum tau ua kom ntev thiab kev ntseeg tau.

Hauv cov ntsiab lus, vulcanization yog ib kauj ruam tseem ceeb hauv kev tsim cov khoom siv roj hmab, vim nws txhim kho cov khoom siv tau zoo thiab tsim nyog rau kev siv tshwj xeeb. Nws zoo li muab roj hmab rau cov superpowers nws xav tau kom ua tiav nws lub hom phiaj!

Peb lub Hoobkas

Niujiao Chemical tshwj xeeb hauv kev muab ntau yam khoom siv tshuaj, tsom mus rau kev tshawb fawb thiab kev tsim kho, kev tsim khoom thiab kev lag luam ntawm ntau yam tshuaj raw cov ntaub ntawv thiab cov khoom lag luam, tso siab rau cov khoom zoo tshaj plaws xa tawm mus rau ntau tshaj li lub teb chaws thiab cheeb tsam. Nrog rau kev ua tiav ntau yam thiab cov lus qhia tshwj xeeb, tus nqi zoo thiab cov kev pabcuam zoo, nws muaj lub koob npe nrov hauv kev ua lag luam, yeej ntau thiab ntau tus neeg siv khoom, thiab tau mus txog kev sib koom tes ntawm kev sib raug zoo.

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Khoom Description

Q: Koj tuaj yeem qhia tau li cas yog tias roj hmab yog vulcanized?

A: Nws yog denser thiab hnyav dua, thiab thaum raug cov neeg kho tshuab kev ntxhov siab, cov roj hmab vulcanized yuav rov qab mus rau nws qhov qub qub thaum qhov kev ntxhov siab raug tshem tawm. Cov roj hmab uas tsis yog vulcanized feem ntau yuav sab laug deformed thiab tsis tuaj yeem rov qab mus rau nws qhov qub.

Q: Dab tsi yog qhov activator ntawm roj hmab?

A: Tam sim no, kev sib xyaw ntawm zinc oxide thiab stearic acid yog qhov zoo tshaj plaws kho activator system hauv kev lag luam roj hmab. Feem ntau, zinc oxide ntawm 2 mus rau 5 phr (ib puas grams roj hmab) thiab stearic acid ntawm 0.5 mus rau 3 phr yog siv los kho activators hauv vulcanization ntawm roj hmab .

Q: Dab tsi yog coagulant rau roj hmab?

A: Formic acid yog qhov kev xaiv zoo tshaj plaws rau coagulating roj hmab latex hauv cov ntawv roj hmab tsim khoom.

Q: Dab tsi yog cov vulcanizing tus neeg sawv cev ntawm roj hmab?

A: Cov khoom siv roj hmab vulcanizing muaj xws li cov tshuaj sulfur, selenium, tellurium, sulfur compounds, peroxides, quinone compounds, amine compounds, resinous compounds, hlau oxides thiab isocyanates. Feem ntau siv yog cov tshuaj sulfur thiab sulfur-muaj cov ntsiab lus.

Q: Dab tsi xim yog vulcanized roj hmab?

A: dawb dawb
Vulcanized roj hmab hauv nws lub xeev ntuj yog tawm dawb. Ntxiv zinc oxide ua rau roj hmab-ci dawb. Cov pa roj carbon dub, uas ua rau cov roj hmab ruaj khov, muab roj hmab nws cov xim dub.

Q: Dab tsi yog cov tshuaj antioxidants hauv ntuj roj hmab latex?

A: Ntuj roj hmab latex paub tias muaj qee qhov muaj zog antioxidants xws li amino acids, phenols, phospholipids, tocotrienol thiab betaines. Hevein, ib qho sulfur-muaj cov dej soluble protein tau tshaj tawm tias yog ib qho antioxidant rau NR.

Q: Koj ua li cas tiv thaiv roj hmab oxidation?

A: Nrog kev pab los ntawm additives roj hmab deterioration tuaj yeem tiv thaiv. Ib qho tshuaj antiozonant uas nquag thiab tsis tshua muaj nqi yog cov quav ciab uas los ntshav rau saum npoo thiab tsim cov txheej txheem tiv thaiv, tab sis lwm cov tshuaj tshwj xeeb kuj tau siv dav.

Q: Qhov twg zoo dua TBBS lossis CBS accelerator?

A: TBBS piv rau CBS, nws muaj lub sij hawm scorch ntev dua, muaj kev nyab xeeb ntau dua thiab kho sai dua. Haum rau lub log tsheb, txoj siv sia, hose thiab lwm yam khoom TRG.

Q: Cov cuab yeej hloov pauv dab tsi tshwm sim thaum lub sij hawm vulcanization?

A: Vulcanization hloov lub cev lub cev ntawm cov roj hmab. Nws tsub kom viscosity, hardness, modulus, tensile zog, abrasion tsis kam, thiab txo elongation ntawm so, compression set thiab solubility nyob rau hauv cov kuab tshuaj.

Q: Puas tuaj yeem vulcanization thim rov qab?

A: Cov txheej txheem vulcanization muab cov khoom siv tshwj xeeb, tab sis tsis yooj yim thim rov qab. Rubberlink yog ib qho ntawm ob peb qhov kev lag luam uas muaj peev xwm thim rov qab cov txheej txheem vulcanization ntawm roj hmab, rov ua dua nws kom nws tuaj yeem siv dua - devulcanization.

Q: Koj puas tuaj yeem thim rov qab vulcanized roj hmab?

Q: Puas yog vulcanized roj hmab nqus dej?

A: (1) Cov txheej txheem ntawm vulcanization txo cov dej nqus los ntawm roj hmab. (2) Cov roj hmab uas muaj feem pua ntawm cov khoom siv protein ntau yuav tsis tom qab vulcanization yuav tsum nqus dej ntau dua li cov roj hmab nrog cov ntsiab lus nitrogen tsawg.

Q: Puas yog vulcanized roj hmab stretchy?

A: Thaum lub sij hawm vulcanization, cov roj hmab ntuj tau hla kev sib txuas ntawm cis -1, 4 polyisoprene chains los ntawm disulphide bonds. Qhov no ua rau vulcanised roj hmab tawv, elastic thiab stretchy.

Q: Yuav ua li cas rau vulcanized roj hmab tom qab nws tau ncab?

A: Vulcanized roj hmab yog ob qho tib si muaj zog thiab elastic. Nrog nws nce elasticity, nws tuaj yeem ncab mus rau qib siab dua yam tsis muaj succumbing mus tas li deformation. Vulcanized roj hmab feem ntau zoo tiv thaiv kev puas tsuaj dua li cov roj hmab ib txwm muaj. Abrasion muaj kev puas tsuaj vim scraping.

Q: Puas yog vulcanizing ruaj khov?

A: Chemical Vulcanizing Fluid - Permanently Bonds One-Piece, Stem Repairs and Cap Repairs to the Tyre rau kev kho kom raug.

Q: Vim li cas cov roj hmab vulcanized tsis yaj?

A: Cov roj hmab unvulcanized yaj tag nrho hauv nws cov kuab tshuaj. Nyob rau hauv sib piv, ib tug vulcanized roj hmab tsuas swells. Cov tshuaj crosslinks tiv thaiv kev ua tiav tiav.

Q: Vim li cas vulcanized roj hmab tsw tsw?

A: Thaum cov khoom siv roj hmab tau ua los ntawm cov roj hmab tsis zoo, lawv cov ntxhiab tsw yog vim muaj kev hloov pauv hloov pauv, tab sis nyob rau hnub no ntawm cov roj hmab cog, cov teeb meem tshwm sim feem ntau los ntawm cov accelerator ua haujlwm, txawm hais tias macintoshes thiab lwm yam khoom pov thawj tshuav lawv cov ntxhiab tsw. low-grade petroleum thiab thee-tar naphtha...

Q: Puas yog PVC vulcanized roj hmab?

A: Cov lus teb yog "tsis yog." PVC yog cov yas amorphous, tab sis nws tuaj yeem tsim kom muaj qee yam zoo li roj hmab. Tab sis nws tsis yog vulcanized zoo li roj hmab.

Q: Dab tsi kub yog xav tau rau roj hmab vulcanization?

A: Vulcanization tuaj yeem ua tau ntawm qhov kub ntawm qhov chaw ntawm 120 degree -180 degree. Kev saib xyuas tsis raug ntawm cov kev hloov pauv no tuaj yeem ua rau cov khoom tsis zoo. Qhov no tseem ceeb tshwj xeeb tshaj yog rau cov khoom siv kho mob xws li tubing thiab hnab looj tes latex.

Q: Puas yog vulcanization reversible?

A: Kev tsim cov log tsheb thiab lwm yam khoom siv roj hmab cuam tshuam nrog cov txheej txheem vulcanization, cov tshuaj tiv thaiv tsis tuaj yeem ntawm elastomer, sulfur, thiab lwm yam tshuaj uas ua rau crosslinks ntawm elastomer molecular chains thiab ua rau kev tsim ntawm peb-dimensional tshuaj network.

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