Zinc oxide yɛ ade a wɔtaa de yɛ adwuma wɔ rɔba a wɔde yɛ adwuma mu. Wɔ rɔba a wɔyɛ mu no, nwura ne nneɛma a wɔsan de di dwuma no betumi agyae zinc nnuru, na ɛde ɔhaw aba nneɛma a atwa yɛn ho ahyia no so, enti ɛsɛ sɛ wɔtew zinc oxide dodow a ɛwɔ rɔba no mu no so. Zinc oxide a ɛyɛ adwuma no wɔ nneɛma nketenkete ketewaa bi, asase ani fã kɛse, vulcanization dwumadi a ɛkorɔn, sɛ wɔde toto zinc oxide a ɛyɛ mmerɛw ho a, zinc oxide dodow a ɛyɛ adwuma no so tew, na ɛnam so ma zinc a ɛde ba nneɛma a atwa yɛn ho ahyia so no so tew, na ɛda nneɛma a atwa yɛn ho ahyia ne sikasɛm mu mfaso adi.
zinc oxide Wɔde ɔkwan a ɛyɛ nsu, osutɔ ne ɔhyew a wɔaka abom, a wɔde yɛ a ɛyɛ adwuma ne zinc oxide a ɛda adi, a ɛne atetesɛm mu calcination nhyehyɛe a ɛnyɛ tẽẽ a wɔn a wɔyɛ nneɛma afoforo pii de di dwuma no bɔ abira na ɛyɛ krak zinc oxide. Nsuo a ɛyɛ nsuo no wɔ nkɔsoɔ a ɛkorɔn wɔ ne su mu, adeyɛ no nso de asase ani kɛseɛ pɔtee bi (40m2/g) ne abɔdeɛ nketenkete a ɛyɛ papa a wɔkyekyɛ ma dwumadie bebree ba, na nsuo a ɛyɛ duru a ɛwɔ mu no yɛ nneɛma a atwa yɛn ho ahyia ho ahotosoɔ a ɛwɔ saa adeɛ yi mu no mu baako.
Adeyɛ a ɛma nsu yɛ nsu no te sɛ nea edidi so yi: zinc ingot ne sulfuric acid adeyɛ a ɛma zinc sulfate ba, na afei ɛne sodium carbonate yɛ adwuma ma ɛyɛ zinc carbonate sɛ ade a wɔde yɛ zinc oxide. Zinc carbonate sɛ raw material, zinc oxide yɛ denam ahohoro, ayow, calcining ne crushing so.
Sɛ wɔkyekyɛ mu a, zinc oxide a ɛyɛ adwuma no kɛse yɛ 50nm, asase no fã pɔtee no yɛ kɛse, bɛyɛ 40m2/g, na ahwehwɛ no yɛ ɛwo, ɛyɛ mmerɛw na ɛyɛ porous, enti apete no ye; Ne diffusion ahoɔhare no yɛ ntɛmntɛm sen zinc oxide a ɛyɛ mmerɛw, kyekyɛ yɛ pɛ, wɔ adeyɛ no mu ma ɛyɛ nwonwa sɛ bridging agglomeration, titiriw no wobetumi ayɛ ho adwuma koraa; Heavy metals PB2 +, Cu2 +, CD2 +, Mn2 +, Fe2 + a ɛwɔ mu no sua koraa, ɛne nneɛma a atwa yɛn ho ahyia ho banbɔ ho ahwehwɛde ahorow hyia.
Nneɛma a wɔde di dwuma .
Zinc oxide a ɛwɔ rɔba adwumayɛ mu no, wɔde di dwuma titiriw sɛ rɔba vulcanization active agent (aduru a ɛma ɛyɛ ntɛmntɛm), a ne dwumadi ne sɛ ɛbɛma vulcanization accelerator no dwumadi akɔ anim na ama vulcanization tumi a ɛwɔ rɔba mu no atu mpɔn. Nea ɛyɛ adwuma wɔ ho ne: zinc oxide ne accelerator nnuru a ɛyɛ adwuma a ɛma accelerator zinc nkyene ba; accelerator zinc nkyene ne polysulfide molecule ahorow a ɛbɛma zinc nkyene a ɛwɔ polysulfide mu aba; Polysulfide zinc nkyene ne rɔba macromolecule reaction de wie nnuru a etwa to no crosslinking, sɛnea ɛbɛyɛ a ɛbɛma vulcanization ayɛ rɔba, activation ne ahoɔden a ɛwɔ dwuma a anti-aging no mu den, sɛnea ɛbɛyɛ a wobenya ahoɔden, ahobammɔ a wɔde yɛ adwuma, a ɛso tew kɛse wɔ sintɔ dodow mu, ne sɛ wɔbɛma rɔba nneɛma no atu mpɔn, nusu a wɔko tia, abrasion resistance, ne nkɔanim a ɛyɛ fixed effect of the elongation of the elongation of the elongation of the relong of the engport na ama vulcanized rubber stretch stress, tensile ahoɔden ne elongation no atu mpɔn, atew compression daa deformation so, ne nea ɛkeka ho.
1. zinc oxide a ɛyɛ adwuma wɔ dade a ɛyɛ fã bi a ɛyɛ radial tae a wɔde di dwuma no mu .
Wɔ tebea koro no ara mu no, zinc oxide a ɛyɛ adwuma 2 # Formula rɔba a wɔde sa yare a wɔde di dwuma sen zinc oxide 1 # Formula rɔba a wɔde di dwuma no kɔɔ soro bɛyɛ mpɛn 1; 3 # Formula of active zinc oxide dosage yɛ 1 # formula pɛ a ɛyɛ zinc oxide dodow a ɛyɛ mmerɛw a ɛyɛ 80%, nanso 3 # fomula rɔba a wɔde sa yare no da so ara yɛ ntɛmntɛm sen rɔba L no formula no. 3 formulations of rɔba coking properties, menni viscosity no nyɛ nsonsonoe kɛse.
Test formula vulcanized rɔba a ɛyɛ den, constant tensile stress, tensile ahoɔden ne nusu ahoɔden sen production formula vulcanized rɔba a ɛtu mpɔn, ɔbrɛ a ɛko tia ne flexural adwumayɛ dodow yɛ nea wotumi de toto ho, ɔhyew ne mframa onyin adwumayɛ so tew kakra.
Active zinc oxide mmom sen sɛ wɔde zinc oxide a ɛyɛ mmerɛw bedi dwuma wɔ semi-steel radial tae inner ply rɔba mu, rɔba honam fam nneɛma a ɛsa ne zinc oxide a ɛyɛ mmerɛw a wɔde di dwuma no yɛ nea wotumi de toto rɔba no ho no, rɔba vulcanization ahoɔhare no yɛ ntɛmntɛm, a ɛma ɛyɛ mmerɛw ma vulcanization bere no yɛ tiaa. Zinc oxide a ɛyɛ adwuma a wɔde di dwuma no betumi atew zinc oxide dodow so, na ebetumi ayɛ nea ɛfata kɛse ma ɛne nea wɔhwehwɛ wɔ nneɛma a atwa yɛn ho ahyia ho banbɔ ho no ahyia.
2. zinc oxide a ɛyɛ adwuma a wɔde di dwuma wɔ radial tae tread rɔba mu .
ne nkɔanim a ɛba wɔ active zinc oxide, TC10 ne TC90 nyinaa su a ɛma onyin. ML ne MH ansakra kɛse. Eyi kyerɛ sɛ wobetumi de zinc oxide a ɛyɛ adwuma adi dwuma wɔ dodow a wɔatew so mu.
Ahoɔden a ɛtwetwe, 100% tenten, 300% tenten ne ahoɔden a ɛwɔ rɔba no mu no ansakra kɛse bere a zinc oxide a ɛyɛ adwuma no dodow kɔɔ soro no. Sɛ dodow no boro afã 5 a, vulcanized rɔba no tetew no so tew inst EAD, a ɛnam crosslink density a ɛkɔ soro dodo no so na ɛba. Bere a onyin wɔ 100 × 24h akyi no, rɔba aduru no adwumayɛ a ɛkɔ so no dodow a ɛwɔ zinc oxide a ɛyɛ adwuma no afã 3 no yɛ nea eye sen biara, na ɛno ne dodow a wɔde ma no afã 2.5 no yɛ nea enye koraa. Nea enti a ɛte saa no betumi ayɛ 2.5 afã horow, vulcanized rɔba mesh nhyehyɛe no nyɛ pɛpɛɛpɛ, a ɛno nso da adi wɔ elongation koro no ara mu wɔ tetew, daa deformation wɔ tetew, mpoano den, ne compression ɔhyew awo ntoatoaso adwumayɛ.
active zinc oxide rubber blend, TC10 ne TC90 a wɔde ka ho no tenten yɛ kɛse, torque ML a ɛba fam koraa, torque MN a ɛsen biara ne nsonsonoe a ɛda Mh A ML abien a ɛkɔ soro no ntam, a ɛkyerɛ sɛ ne processing ahobammɔ, vulcanization ahoɔhare a ɛyɛ brɛoo, sɛnea cross-linking dodow kɔ soro, ne tensile ahoɔden, 100% fixed elongation elongation elongation elongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation eLongation engation × 24h aging, specimen properties of the retention rate significance after aging wɔ 100 × 24h, retention rate a ɛwɔ specimen adwumayɛ mu no tu mpɔn kɛse. Sɛ wɔde zinc oxide a ɛyɛ adwuma no di dwuma wɔ dodow a ɛso atew mu a, TC90 - TS1 tiawa, ML ne MH nsakrae no nyɛ nea ɛho hia, na mfiridwuma mu su a ɛwɔ vulcanized rɔba nsakrae no mu no nna adi pefee; 2.5 Afã horow a ɛwɔ dodow a wɔde ma no mu no, rɔba a ɛwɔ vulcanized no mu a ɛyɛ onyin no so tew, enti wobetumi atew dodow no so akɔ dodow a wɔde bedi dwuma no fã 3.
Mfaso a ɛwɔ zinc oxide so .
Ɛdenam nneɛma a ɛwɔ atifi hɔ no ho nhwehwɛmu ho nsɛm so no, yebetumi asua sɛ wobetumi de zinc oxide a ɛyɛ adwuma adi dwuma kɛse wɔ rɔba nneɛma ahorow mu.
(1) ɛwɔ apete pa wɔ rɔba ade no mu, na honam fam ne mfiridwuma mu su ahorow no tu mpɔn;
(2) wɔ vulcanization nhyehyɛe no mu. Bere a rɔba ade no de yɛ coking no kyɛ, ahobammɔ a ɛwɔ vulcanization mu no tu mpɔn, na vulcanization a ɛyɛ adwuma yiye no tu mpɔn;
(3) Esiane sɛ zinc oxide kɛse pɔtee ne nneɛma nketenkete a ɛyɛ nketenkete no kɛse nti a ɛyɛ adwuma no , wobetumi de adi dwuma wɔ dodow a wɔatew so mu wɔ rɔba nneɛma bi a wɔde ka ho no mu.
