Chloroprene rọba (CR), nke a makwaara dị ka chloroprene roba, bụ elastomer nke alfa polymerization nke chloroprene (ya bụ, 2-chloro-1,3-butadiene) na-emepụta dị ka isi akụrụngwa.Wallace Hume Carothers nke DuPont mere ya na Eprel 17, 1930. DuPont kwuputara n'ihu ọha na Nọvemba 1931 na ọ chepụtara roba chloroprene wee webata ya n'ahịa na 1937, na-eme roba chloroprene ka ọ bụrụ ụdị rọba sịntetịt mbụ a ga-emepụta n'ụlọ ọrụ mmepụta ihe. .
Chloroprene roba Njirimara.
Ọdịdị Neoprene bụ milky ọcha, beige ma ọ bụ ìhè aja aja flakes ma ọ bụ lumps, njupụta 1.23-1.25g / cm3, iko mgbanwe okpomọkụ: 40-50 ° C, crumbling ebe: 35 ° C, nro nro banyere 80 ° C, decomposition na 230- 260°C.Soluble na chloroform, benzene na ihe mgbaze organic ndị ọzọ, fụrụ akpụ na mmanụ ihe oriri na mmanụ ịnweta na-enweghị mgbaze.Enwere ike iji 80-100 ° C mee ogologo oge, na-enwekwa ogo ọkụ ọkụ.
Neoprene roba na eke roba Ọdịdị yiri, ihe dị iche bụ na pola adịghị mma electric otu na neoprene roba na-anọchi methyl otu eke roba, nke mma ozone iguzogide, mmanụ iguzogide na okpomọkụ iguzogide nke neoprene roba.Na nkenke, o nwere magburu onwe weather eguzogide, ozone eguzogide, chemical corrosion eguzogide, mmanụ eguzogide, wdg Ya keukwu anụ ahụ na n'ibu Njirimara dịkwa mma.Ya mere, neoprene dị nnọọ iche, ma dị ka ihe n'ozuzu-ebumnobi na dị ka a pụrụ iche roba.
Ndị isi anụ ahụ na n'ibu bụ ndị a:
1.Ike nke roba neoprene
Ngwongwo ihe nkedo nke neoprene yiri nke rubber eke, na roba raw ya nwere ike di elu na elongation na nkwụsịtụ, nke bụ rubber na-eme ka onwe ya;Ọdịdị molekụla nke neoprene bụ molekụla mgbe niile, agbụ ahụ nwere otu polar nke atom chlorine, nke na-abawanye ike intermolecular.Ya mere, n'okpuru omume nke ndị agha mpụga, ọ dị mfe ịgbatị na crystallize (na-eme ka onwe ya dị ike), na nkwụsị nke intermolecular adịghị mfe.Tụkwasị na nke ahụ, ịdị arọ molekụla buru ibu (2.0 ~ 200,000), ya mere ike nkwụsị dị ukwuu.
2.Excellent ịka nká na-eguzogide
Atọm chlorine jikọtara ya na njikọ abụọ nke agbụ molecular neoprene na-eme ka njikọ abụọ na atom chlorine ghara ịdị irè, yabụ nkwụsi ike nchekwa nke rọba vulcanized ya dị mma;ọ dịghị mfe ikpo ọkụ, ikuku oxygen na ìhè dị na mbara igwe, nke na-egosi nguzogide ịka nká dị mma (mgbochi ihu igwe, nkwụsị ozone na okpomọkụ).Nguzogide ya ịka nká, karịsịa ihu igwe na nguzogide ozone, bụ nke abụọ na ethylene propylene roba na roba butyl n'ozuzu rọba, ma dị mma karịa roba eke;Nguzogide okpomọkụ ya dị mma karịa rọba eke na styrene butadiene roba, na yiri rọba nitrile, enwere ike iji ya maka obere oge na 150 ℃, enwere ike iji ya mee ihe dị ka ọnwa 4 na 90-110 ℃.
3.Excellent ire-eguzogide
Neoprene bụ rọba kachasị mma n'ozuzu ya, ọ nwere njirimara nke combustion na-enweghị onwe ya, kọntaktị na ire ọkụ nwere ike ire ọkụ, mana ọkụ dịpụrụ adịpụ na-emenyụ, nke a bụ n'ihi na neoprene na-ere ọkụ, ọrụ nke okpomọkụ dị elu nwere ike imebi n'okpuru ọrụ nke hydrogen chloride gas ma mee ka ọkụ kwụsị.
4.Excellent mmanụ na-eguzogide, ihe mgbaze
Nguzogide mmanụ nke roba neoprene bụ nke abụọ na rọba nitrile ma dị mma karịa rọba izugbe ndị ọzọ.Nke a bụ n'ihi na molekul neoprene nwere atom chlorine polar, nke na-abawanye polarity nke molecule ahụ.Nguzogide kemịkalụ nke neoprene dịkwa oke mma, ma ewezuga acid oxidizing siri ike, acid ndị ọzọ na alkalis enweghị mmetụta ọ bụla na ya.Nguzogide mmiri nke neoprene dịkwa mma karịa nke rubbers sịntetik ndị ọzọ.
Kedu ihe bụ mpaghara ntinye nke neoprene?
A na-eji Neoprene mee ihe n'ọtụtụ ngwa ngwa, karịsịa maka ngwaahịa na-eguzogide ịka nká, dị ka wired eletriki, akpụkpọ anụ USB, okporo ụzọ ụgbọ okporo ígwè okporo ụzọ ụgbọ okporo ígwè, n'akụkụ taya igwe kwụ otu ebe, roba dams, wdg;ngwaahịa na-eguzogide ọkụ na ọkụ, dị ka eriri na-ebufe ọkụ na-ekpo ọkụ, hoses, mpempe akwụkwọ roba, wdg;ngwaahịa na-eguzogide mmanụ na kemịkalụ, dị ka hoses, roba rollers, mpempe akwụkwọ roba, ụgbọ ala na akụkụ traktọ;ngwaahịa ndị ọzọ dị ka akwa rọba, akpụkpọ ụkwụ rọba na nrapado, wdg.
1.Wire na eriri ihe mkpuchi
Neoprene bụ ìhè anyanwụ na-eguzogide, ozone eguzogide, na nwere magburu onwe na-abụghị flammability, bụ ezigbo cable ihe maka ogbunigwe, ụgbọ mmiri, karịsịa maka na-eme ka USB sheathing, ma na-ejikarị ụgbọ ala, ụgbọ elu, engine mgbanye wires, atomic ike osisi akara cables, yana waya ekwentị.Na neoprene maka jaket nke waya na cable ojiji ya dị mma karịa roba eke karịa 2 ugboro ogologo oge.
2.Ngwongwo njem, eriri nnyefe
Neoprene nwere ihe eji arụ ọrụ nke ọma, nke dabara adaba maka imepụta eriri ụgbọ njem na eriri nnyefe, ọkachasị na mmepụta nke eriri nnyefe dị mma karịa roba ndị ọzọ.
3.Oil na-eguzogide ọgwụ, gasket, mgbochi corrosion Murari
Dabere na nguzogide mmanụ ya dị mma, nguzogide corrosion kemịkalụ, nguzogide okpomọkụ na njirimara ndị ọzọ, a na-eji neoprene eme ihe n'ịrụpụta ngwaahịa na-eguzogide mmanụ na ọtụtụ hoses, teepu, gaskets na akụrụngwa corrosion na-eguzogide ọgwụ, karịsịa okpomọkụ na-eguzogide ọgwụ. ebuga eriri, mmanụ na acid na alkali eguzogide hoses, wdg.
4.Gasket, nkwado mpe mpe akwa
Neoprene nwere ezigbo akara na nguzogide na-agbanwe agbanwe, akụkụ ndị ọzọ na-arụ ụgbọ ala mere nke neoprene, dị ka okpokolo agba windo, hoses nke gaskets dị iche iche, wdg, mana ejirikwa ya dị ka àkwà mmiri, gwongworo m na-ebuli elu, mpempe akwụkwọ nkwado mmanụ mmanụ.
5.Adhesive, sealant
Neoprene adhesive mere nke neoprene roba dị ka isi akụrụngwa nwere ezigbo mgbanwe, na ịka nká, mgbochi kemịkalụ na mmanụ na-eguzogide, na elu bonding ike.
Neoprene latex enweghị ihe mgbaze organic, ya mere o nwere uru doro anya na nchekwa na ahụike, ebe enwere ike iji carboxyl neoprene mee ihe dị ka nrapado maka roba na ígwè.Chloroprene rọba nwere polarity, ya mere, bonding mkpụrụ nwere a dịgasị iche iche nke ngwa, tumadi maka iko, ígwè, ike PVC, osisi, plywood, aluminum, a dịgasị iche iche nke vulcanized roba, akpụkpọ anụ na ndị ọzọ adhesives.
6.Ndị ọzọ ngwaahịa
A na-ejikwa Neoprene n'ọtụtụ ebe n'ọdụ ụgbọ njem na ihe owuwu.Dị ka iji oche oche foam neoprene na ụgbọ ala na ụgbọ ala ụgbọ oloko, nwere ike igbochi ọkụ;ụgbọ elu, na roba eke na neoprene ngwakọta na-eme ka mmanụ na-eguzogide akụkụ;engine na akụkụ roba, gaskets, akara, wdg;ihe owuwu, nke a na-eji na gasket ụlọ elu dị elu, ma nchekwa na ihe mgbochi;neoprene nwekwara ike iji dị ka artificial embankment, interceptor na nnukwu akara, ibipụta, dyeing, mbipụta, akwụkwọ na ndị ọzọ ụlọ ọrụ roba rollers Neoprene nwekwara ike-eji dị ka ikuku, akpa ikuku, ngwá ọrụ na-azọpụta ndụ, nrapado teepu, wdg.
Oge nzipu: Ọktoba 20-2022