Rubber bụ ụdị ihe dị elu nke polymer na-agbanwe agbanwe, n'okpuru ọrụ nke obere ike dị n'èzí, ọ nwere ike igosi oke nrụrụ, na mgbe e wepụsịrị ike dị n'èzí, ọ nwere ike ịlaghachi n'ụdị mbụ ya.N'ihi na elu elasticity nke roba, ọ na-ọtụtụ ebe na-eji cushioning, shockproof, ike akara, wdg Ngwa na-ebi akwụkwọ ụlọ ọrụ na-agụnye dị iche iche roba rollers na-ebi akwụkwọ blanketị.Site na ọganihu nke ụlọ ọrụ rọba, ngwaahịa rọba emepụtala site na otu iji rọba eke na-emepụta ihe dị iche iche.
1. Eke roba
Eke roba na-achịkwa rọba hydrocarbons (polyisoprene), nke nwere obere protein, mmiri, resin acid, sugars na inorganic salts.Eke roba nwere nnukwu elasticity, elu tensile ike, magburu onwe akwa na-eguzogide na eletriki mkpuchi, ezigbo eyi na-eguzogide na oké ọkọchị na-eguzogide, ezi processability, eke roba dị mfe ijikọ na ihe ndị ọzọ, na ya n'ozuzu arụmọrụ dị mma karịa ọtụtụ synthetics roba.Mkpebi nke roba eke bụ adịghị mma iguzogide oxygen na ozone, dị mfe ịka nká na mmebi;adịghị mma na-eguzogide mmanụ na ihe mgbaze, obere iguzogide acid na alkali, obere nkwụsị nke corrosion;obere okpomọkụ na-eguzogide.The arụ ọrụ okpomọkụ nso nke eke roba: banyere -60℃~+80℃.A na-eji rọba eke eme taya, akpụkpọ ụkwụ rọba, ọkpọkọ, teepu, mkpuchi mkpuchi na mkpuchi nke wires na eriri, na ngwaahịa ndị ọzọ n'ozuzu.Igwe rọba eke dabara adaba maka imepụta ihe mkpochapụ mgbawa torsional, ihe na-eme ka injin na-awụ akpata oyi n'ahụ, ihe na-akwado igwe, ihe nkwusioru rọba-metal, diaphragms, na ngwaahịa a kpụrụ akpụ.
2. SBR
SBR bụ copolymer nke butadiene na styrene.Arụmọrụ nke rọba styrene-butadiene dị nso na rọba eke, ma ọ bụ ugbu a bụ mmepụta kacha ukwuu nke roba synthetic ebumnuche izugbe.Ihe e ji mara rọba styrene-butadiene bụ na nguzogide ọ na-eyi, nguzogide ịka nká na nguzogide okpomọkụ karịrị rọba eke, na udidi ya dịkwa edo karịa rọba eke.Ihe ọghọm nke rọba styrene-butadiene bụ: ngbanwe dị ala, nkwụsi ike na-adịghị mma na mgbochi akwa;arụ ọrụ nhazi na-adịghị mma, karịsịa adịghị mma nke onwe ya na obere ike roba akwụkwọ ndụ akwụkwọ ndụ.Oke okpomọkụ nke styrene-butadiene roba: banyere -50℃~+100℃.A na-ejikarị rọba Styrene butadiene dochie rọba eke iji mee taya, akwa rọba, hoses, akpụkpọ ụkwụ roba na ngwaahịa ndị ọzọ n'ozuzu.
3. Nitrile roba
Nitrile rọba bụ copolymer nke butadiene na acrylonitrile.A na-eji rọba nitrile mara nke ọma nguzogide mmanụ ụgbọala na mmanụ aliphatic hydrocarbon, nke abụọ na roba polysulfide, acrylic ester na fluorine roba, ebe rọba nitrile dị elu karịa rubbers izugbe ndị ọzọ.Ezigbo okpomọkụ na-eguzogide, ezigbo ikuku ikuku, na-eyi nguzogide na mmiri na-eguzogide, na ike mmachi.Ọdịmma nke rọba nitrile bụ nguzogide oyi na-adịghị mma na nguzogide ozone, ike dị ala na ngbanwe, adịghị mma acid na-eguzogide, ọkụ eletrik na-adịghị mma, na nguzogide na-adịghị mma maka ihe mgbaze pola.Oke okpomọkụ nke nitrile roba: banyere -30℃~+100℃.A na-ejikarị rọba nitrile emepụta ngwaahịa dị iche iche na-eguzogide mmanụ, dị ka hoses, ngwaahịa akara, rollers roba, wdg.
4. Hydrogenated nitrile roba
rọba nitrile hydrogenated bụ copolymer nke butadiene na acrylonitrile.A na-enweta rọba nitrile hydrogenated site na n'ụzọ zuru ezu ma ọ bụ akụkụ ụfọdụ hydrogen na-eme ka njikọ abụọ dị na butadiene nke NBR.A na-eji roba nitrile hydrogenated site na ike igwe dị elu na nguzogide abrasion, nguzogide okpomọkụ dị mma karịa NBR mgbe ejikọtara ya na peroxide, yana ihe ndị ọzọ bụ otu ihe ahụ dị ka rọba nitrile.Ọdịmma nke rọba nitrile hydrogenated bụ ọnụ ahịa ya dị elu.Okpomọkụ dị nso nke rọba nitrile hydrogenated: banyere -30℃~+150℃.A na-ejikarị rọba nitrile hydrogenated eme ihe maka ngwaahịa na-egbochi mmanụ na oke okpomọkụ na-eguzogide ọgwụ.
5. Ethylene propylene roba
Ethylene propylene roba bụ copolymer nke ethylene na propylene, a na-ekewakarị ya na yuan ethylene propylene roba abụọ na yuan ethylene propylene roba atọ.Ethylene-propylene rọba ji ezigbo nguzogide ozone, nguzogide ultraviolet, nguzogide ihu igwe na nguzogide ịka nká, ọkwa mbụ n'etiti rubbers n'ozuzu.Ethylene-propylene roba nwere ezigbo mkpuchi eletriki, nguzogide kemịkalụ, mmetụta elasticity, acid na alkali resistance, obere ike ndọda, enwere ike iji ya mee ihe dị elu.Nguzogide okpomọkụ nwere ike iru 150°C, na ọ na-eguzogide ọgwụ polar solvents-ketones, esters, wdg, ma ethylene propylene roba anaghị eguzogide aliphatic hydrocarbons na aromatic hydrocarbons.Njirimara anụ ahụ na nke ọzọ nke ethylene propylene roba dị ntakịrị ala karịa rọba eke ma dị elu karịa rọba styrene butadiene.Mwepu nke ethylene-propylene roba bụ na ọ na-adịghị mma nke onwe ya na nchikota ọnụ, ọ dịghịkwa mfe ijikọ.Ọnọdụ okpomọkụ nke ethylene propylene roba: banyere -50℃~+150℃.A na-ejikarị roba Ethylene-propylene eme ihe dị ka mkpuchi akụrụngwa, waya na ịsa eriri, eriri uzuoku, eriri ebu na-eguzogide okpomọkụ, ngwaahịa rọba ụgbọala na ngwaahịa ụlọ ọrụ ndị ọzọ.
6. rọba silicone
rọba silicone bụ rọba pụrụ iche nke nwere silicon na atom oxygen na agbụ isi.Ihe mejupụtara silicon na-arụ ọrụ dị ukwuu na rọba silicone.Isi njirimara nke rọba silicone bụ ma elu okpomọkụ na-eguzogide (ruo 300°C) na obere okpomọkụ na-eguzogide (kachasị ala -100°C).Ọ bụ ugbu a kacha mma elu okpomọkụ na-eguzogide roba;N'otu oge ahụ, rọba silicone nwere mkpuchi ọkụ eletrik mara mma ma kwụsie ike na oxidation thermal na ozone.Ọ na-eguzogide nke ukwuu na kemịkalụ inert.Ọdịmma nke silicone roba bụ ala n'ibu ike, ogbenye mmanụ eguzogide, mgbaze na-eguzogide, acid na alkali iguzogide, siri ike vulcanize, na ndị ọzọ ọnụ.Silicone roba arụ ọrụ okpomọkụ: -60℃~+200℃.A na-ejikarị rọba silicone mee ngwaahịa dị elu na nke dị ala (hoses, akàrà, wdg), na waya na-eguzogide okpomọkụ dị elu na mkpuchi eriri.N'ihi na ọ naghị egbu egbu na enweghị ụtọ, a na-ejikwa rọba silicone na ụlọ ọrụ nri na ahụike.
7. Polyurethane roba
Polyurethane roba nwere elastomer kpụrụ site na polymerization nke polyester (ma ọ bụ polyether) na ogige diisocyanate.A na-eji roba polyurethane mara mma nguzogide abrasion, nke kachasị mma n'etiti ụdị roba ọ bụla;roba polyurethane nwere ike dị elu, ịdị mma dị mma na nguzogide mmanụ dị mma.Polyurethane rọba dịkwa mma na nguzogide ozone, nguzogide ịka nká, yana ike ikuku.Ọdịmma nke roba polyurethane bụ adịghị mma na-eguzogide okpomọkụ, mmiri na-adịghị mma na alkali na-eguzogide, na adịghị ike na-eguzogide hydrocarbons aromatic, chlorinated hydrocarbons, na ihe mgbaze dị ka ketones, esters, na alcohols.The ojiji okpomọkụ nso nke polyurethane roba: banyere -30℃~+80℃.A na-eji roba polyurethane mee taya dị nso na akụkụ, gaskets, ngwaahịa ndị na-adịghị emetụ n'ahụ, ndị na-akpụ akpụ rọba, na ndị na-eguzogide ọgwụ, ike dị elu na ngwaahịa roba na-eguzogide mmanụ.
Oge nzipu: Jul-07-2021