Sulfur yɛ mineral a abu so wɔ abɔde mu na ɛwɔ nnuruyɛ mu bo a ɛho hia yiye. Nanso, wɔ rɔba nnipa ani so no, ebia sulfur de di dwuma a ɛho hia sen nnuru - vulcanizing agent wɔ rɔba nneɛma mu. sulphur mfiase ne rɔba nso ka kyerɛ MR{3}} Charles Goodyear, rɔba agya, rɔba agya
Abakɔsɛm mu mfiase a ɛyɛ rɔba ne sulfur .
Sɛ tete ade no, rɔba ana nananom de adi dwuma bere tenten. saa bere no, na wɔde rɔba di dwuma kɛse ma ntade a wɔde nkata so ne ntade a nsu ntumi nkɔ mu. esiane sɛ rɔba wɔ mfomso a ɛyɛ hu nti, ɛyɛ mmerɛw dodo sɛ ɔhyew bɛba{2}} so bere a ɔhyew no kɔ soro kakra no, ɛbɛyɛ mmerɛw na ayɛ nnam, na ɛbɛyɛ hua bɔne; Sɛ ɔhyew no yɛ mmerɛw a, ɛbɛyɛ brittle na ɛyɛ den.
Wɔ 1834 ahohuru bere mu no, Goodyear kɔsraa New York Indian rɔba adwumakuw. ohui sɛ saa su yi a rɔba no haw rɔba adwuma no nyinaa, nanso rɔba wɔ nneɛma a eye kyɛn so te sɛ elasticity a ɛkorɔn, plasticity, durability, nsu a ɛmma nsu ntumi nkɔ mu ne insulation. pɔtee a wɔde besua rɔba{3}} ho ade wɔ January Ade a ɛte sɛ aboa nhoma. Saa ade yi nsɛe wɔ ɔhyew a ɛkorɔn mu sen rɔba a ɛyɛ den a wɔtaa hu no. bere a wɔayɛ nkɔso ahorow a ɛtoatoa so akyi no, awiei koraa Nkaedi Charles wɔ Goodyear wu akyi mfe 38. Goodyear ntoboa kɛse a ɔde maa U.S. rɔba adwumayɛ, Frank. Keblin too tae rɔba adwumakuw a ɔhyehyɛɛ no, Goodyear, a mprempren ɛyɛ wɔn a wɔyɛ tae no mu baasa a wɔsen biara wɔ wiase no mu biako.
Sulfur no mu nkyekyem .
Sulfur a wɔde di dwuma wɔ rɔba adwuma mu ne sulfur kɔkɔɔ powder, sulfur a entumi nnye, colloidal sulfur, sulphur a ɛtɔ gu fam, sulfur a ɛyɛ fɛ, sulfur a ɛho ayɛ fĩ ne sulfur a ɛnyɛ ahwehwɛ. abiɛsa a edi kan no yɛ nea wɔtaa de di dwuma.
Sulfur powder: Ɛyɛ sulfur a wɔde di dwuma kɛse wɔ rɔba adwumayɛ mu.
Insoluble sulfur: Homopolymer of sulfur, a wɔsan frɛ no polymeric sulfur. Ne mfaso kɛse ne sɛ ɛnyɛ mmerɛw sɛ wɔde aduru no bɛpetepete so, na wɔde di dwuma kɛse wɔ rɔba nneɛma te sɛ dade radial tae a ɛkorɔn.
Colloidal sulfur: aduru a wɔde sulfur powder a wɔayam anaasɛ sulphur a wɔasiesie no ka bom ne ade a wɔde bɔ apete. a wɔde di dwuma titiriw wɔ latex nneɛma mu.
Dwuma a sulfur di wɔ rɔba nneɛma mu .
Atetesɛm rɔba no wɔ adwumayɛ a ɛkyɛn so, na ɛho hia sɛ wɔyɛ afã abiɛsa ntam nkitahodi ahunmu nhyehyɛe fi linear macromolecular chain no mu denam cross-linking. cross-linking nhyehyɛe no nso taa frɛ no vulcanization of rɔba efisɛ mfiase cross-linking no yɛ nea wonya ne sulfur{5}} akyi rɔba no yɛ rɔba, its its not no, its the structure as the structure as the structure as the structure as the structure as the structure as the structure as the structure as the structure as the structure as the structure as the structure as the structor Modulus ne hardness no tu mpɔn, mfiridwuma su no tu mpɔn, aging resistance ne chemical stability no tu mpɔn. . Enti, bere a wɔahu sulfur akyi nkutoo no, rɔba abɛyɛ polymer ade a ɛyɛ adwuma yiye na wɔde di dwuma kɛse.
Nokwarem no, ɛsɛ sɛ wɔde vulcanization ntam nkitahodi a ɛwɔ rɔba mu no ka nneɛma afoforo a wɔde afrafra te sɛ ade a ɛyɛ adwuma ne promoter ho ma ɛyɛ vulcanization nhyehyɛe a edi mũ. ne nkɔso a ɛba wɔ rɔba adwumayɛ mu no, nkurɔfo wɔ ahwehwɛde a ɛkorɔn ma rɔba nneɛma a wɔyɛ. ahorow ne akwan foforo a wɔfa so yɛ sulfur no nso yɛ nea wɔreyɛ na wɔayɛ no.