Styrene-butadiene laholio: ka waiwai a me ka palapala noi, i ka haʻilula

Styrene-butadiene laholio ua manaoia kekahi o ka loa i hoʻohana koho o polymeric mea. He pono no ka hana o ka papale hainaka a me nā laholio huahana me kiʻekiʻe e like ai.

I aku la o polymeric mea ua i mai ka inexpensive maka mau mea, a me kona manufacturingʻano hana ua manaoia e e loaʻa, me ke kaʻina, o ka hana. E ho'ōla kūpono styrene-butadiene laholio, ua maikaʻi hana a me ka Nine Inch ano. Ua ua hua mai la i ka lula dala, a ua hōʻike mai iā ia ma ke Hookah i loko o ke ākea huahelu.

Maka mea no ka? Iecaianoaaiiuo

E mākou noonoo i ka? Iecaianoaaiiie o styrene-butadiene rubbers. E like me ka maka mea no ka mea polymeric mea ua koho butadiene-1,3 a Alpha-methylstyrene. Hoomakaukau styrene-butadiene laholio ma ka papa wiliʻai 'ana i kūpono' ole emulsion copolymerization. Ma ka lua o ka hana i hanaʻia, ke papa wiliʻai butadiene-styrene rubbers.

emulsion polymerization

Pehea o ka hiki aku o styrene butadiene laholio? Ke naoh komo ai i ka ami polymerization o styrene a me ka butadiene i loko o ka emulsion. Ka hope loa huahana Ua loaa i ka hopena o keia AaOIeIOUIeXAOAaIN, i kapa styrene butadiene laholio (SCS).

Currently i loko o ka wahi lulu laholio hana? Iecaianoaaiiuo i likeʻole nā kinolau, i ka pīlali-muli nā huahana o ka Nine Inch.

Pehea maheleia styrene-butadiene laholio? Manufacturers kaumaha i ka kēia mau koho:

• rubbers a e ole no mea kāhinu, (SCS ZOARK);
• Nā Pono Hana me ka awelika pakeneka o ka aila (SCM-ZOLRKM-15);
• me ka mahuahua nui o ka aila (SCS ZODRKM-27);
• me ka maikai dielectric ano (SCS ZOARPD).

I Kekahi Mau 'o ka inoa

Ka mua huahelu i loko o ka inoa hai aku i ka laupaʻi ka maʻiʻo o styrene i loko o ka loiloi mua 'āhewa' ana, i kohoʻia no ka polymerization:

• "A" komo ai i ka manaʻo o ka haʻahaʻa-mahana polymerization kaʻina (i oi aku mamua o elima degere).
• "M" Hōʻike ia ia i kaʻaila,ʻaʻole wale nō styrene.
• Styrene-butadiene laholio me ka palapala "P" pili, e hoʻomaka polymerization me ke alo aku o ka mea hoʻokonukonu.
• "K" Hōʻike i ka hoʻohana 'ana i ka hana o ka laholio rosin emulsifier.
• Ka leka "P" ho i ka mea hua mai la i ka alo o ka hānai momona, kemikala nāʻakika paʻakai i nā nā huahana o ka hapa'okesaside o paʻa kūhohonu loa paraffins.

He aha characterizes ka styrene-butadiene laholio? Kaniak ka mea, ua nānā 'ana ma luna o ka polymerization kaʻina hana, i mea maʻa i ke kula i nā haumāna, a hiki kiʻekiʻe, nā haumāna ma ke kula kiʻekiʻe a me nā kulanui.

Ke'ōlelo mai, no ka mea, o ka manao wale? Iecaianoaaiiie ma ka hana o ka rubbers hoʻohana smolonapolnenny styrene-butadiene laholio, ka haʻilula o i pili ole oko mai kaʻike mau diene hydrocarbon. Ma rubbers hua mai la i ka nānā 'ana ma luna o butadiene-styrene kēpau, kiʻekiʻe ia'ku ia me mechanical abrasion, maikaʻi ili-me ano.

Emulsion polymerization kaʻina ua lawe mai i loko o kūikawā hanalima mea hoʻonoho. He aha characterizes keia styrene-butadiene laholio? Noho ia i hana ia e ka 'ike loea hou a me ka akaka ai. Ka awelika lōʻihi like 'ole o ka Nine Inch naoh mea 12-15 hola. Ma hope o ka pau ana o ka polymerization latex ua hana, a iloko ona i kakauia ka hola 30-35 pakeneka o ka polymeric waiwai. E like me ka antioxidant ua wahahee ma ka latex Neon D.

Paka laholio mai latex ma coagulation electrolytes i pihaʻi me sulfuricʻakika. Ua haawiia e hana like emulsifiers kanifolevoe ka aila a me ke kopa, hanaia ma ka muli o kemikala momoma nāʻakika, ma ka hou e coagulation pū akula nō hoʻi i ke kahua o ka momoma nāʻakika i ka maikaʻi ia ma luna o ka oaoieei-ano o ka hoʻopau 'ana i huahana.

Ma ka ohui sulfuricʻakika soaps i lilo iho i loko o ka noa ke alohaʻakika 'ōlelo latex coagulation, a hana i ka styrene butadiene laholio. Noi multifaceted hope mea hilinaʻi nui ma luna o ke 'ano o ka? Iecaianoaaiiuo. Holo nōhie laholio mea he pono ole maka mea i loko o ka Nine Inch oihana puolo.

Ka 'ole o ka laholio

He aha 'ole ka styrene-butadiene laholio? Helu waiwai o ka waiwai a me ka nānā 'ana i ka' o kona 'ole. I ka loaa ana o ka pīlali ma ozotsionirovaniya i hana pīlali mea ole 'ole. Ka laholio lātoma huahelu i randomly lātoma mai i ka mana hoʻokahi palapala.

Aneane 80 hapahaneri o na huahelu i ka māhū hoʻonohonohoʻia, a me ka wale 20 pakeneka ua wehewehe aku ma ka Kisa no lakou-ole.

ano o ka

E mākou kālailai i ka styrene-butadiene laholio. Waiwai o ka waiwai pili i kona kiʻekiʻe hakakino kaumaha. Ma awelika, ia mea 150 000-400 000 aila-piha rubbers manufacturing enehana A komo ai i ke koho ana o pono a me ka 'inideka kiʻekiʻe o pili hakakino nuipa a. Oia i koho e leie aku, e hoʻopau i ka hopena maikaʻi 'ole o kaʻaila ma luna o ka laholio quality, koe wale no ka wā lōʻihi o ka maikaʻi aaioee ano o ka laholio.

He mea hiki ke loaa mai ka'etolina butadiene-styrene laholio, hoolilo kaʻina lei ma activators, emulsifiers, regulators, a me nā waiwai hapa 'ia' i ka naoh kekahi, i loko o ka kūpono laholio haku mele 'ana.

hanohano nō hoʻi hiʻona

I emi iho i ka styrene-butadiene laholio. Ke haʻilula o ka waiwai hōʻike i ia mea hoʻopale ke ÿano deformations,ʻano pākīkē nā'uheheʻe. E hoʻoikaika anu ia'ku a me ka laholio elasticity emi ma kaʻai nui o ka styrene. Ua kūpono pīlali i mea hoʻoheheʻe ma ka kakolina, a me ka onaona nā'uheheʻe.

He aha hou aʻe kū mai SBR? Nā waiwai, a me ka pili ia i kia nāʻakika, ketones, a ka waiʻona i ka pilina paʻa, he okoa ka pīlali mea maikai kinoea make a me ka wai permeability. Ma paio hahana maoli nō ka laholio, ma laila i kaumaha mall loli i he kūlana e loli ai i ka kino ai, a me mechanical waiwai o ka laholio.

Thermal'okesaside ma mahana o ka 125 ° C ke kumu i ka ho'ēmiʻana i ka paakiki a me ka luku aku. Mahope'okesaside kŰia mea structuring pīlali e loli ai i ka hoomahuahua i loko o kona rigidity.

Hiʻona o ka palapala noi

E ho okumu i laholio haku mele 'ana hoʻohana i ka styrene butadiene laholio. Ka waiwai, noi o kēia 'elele papa diene hydrocarbons hoakaka hoʻopili like i nā hiʻona o kona mall haʻilula.

Ke alo aku o ka phenyl hui o kaʻaoʻao e loli ai o loa ia'ku i ka waiū e pāhawewe like like me nā laha 'ana o kēia mau polymers.

I ka laholio mele i i i ka nānā 'ana ma luna o butadiene-styrene laholio, haʻahaʻa tack, mahuahua shrinkage i calendering a me ka extrusion. Kēia i ka hopena maikaʻi 'ole ma luna o ka manaʻo o keʻano o ka hanaʻana, e like me ka wā o ka ponaʻana (ekalesia) laholio laina i.

Ma haʻahaʻa-wela laholio aaioee kōkua iā ia,, ka mea i kapaia "wela" rubbers.

ʻano o nā rubbers

Kahi I styrene-butadiene rubbers i haʻahaʻa haʻahaʻa-wela toughness, naʻe ka mea, ua i kawili ae.

Hard nui aʻe ana i hua mai la i ka poe liilii, dala ma ka lawe ana ia lakou i ka thermal oxidative mastication ma ka lewa ma ka wela o ma kahi o 1400 ° C ma ka hoʻohana 'ana i activators hoʻololi iho kaʻina.

Ma unfilled vulcanizing haʻahaʻa tensile ikaika. I ka hoemi i ka nui o ka ua nakiiia ma styrene i loko o ka polymeric hui ua hoemi ia'ku a me ka abrasion ia'ku, maoli ia'ku i ka hau paa, mahuahua elasticity.

Sazhenapolnennye (me ka kalapona? Iue), curatives butadiene-styrene rubbers i maikai thermal kiko'î e kū'ē'ē mai a me ka mea paʻa, akā, ka mea, i kekahi wahi emi mahope ma ka elasticity a me ka deformation ia'ku oʻike mau rubbers. Mau mea kōkua ma curatives i hou ia'ku i kia, a nāu kekahi nāʻakika, ka waiʻona, alkalis, nā mea kemika. Ka laholio'ūheheʻe ka mea, hu nui ae la.

A pau o ka mea kūpono polymers hoʻohana 'ia i loko o ka hana o ka papale hainaka, hana i kekahiʻano o ka non-ua'omoʻomoʻia, a ua'omoʻomoʻia' atikala. No ka laʻana, o ka butadiene-styrene laholio mea hoʻoili mau hipuu i i no ka laau? Iecaianoaaiiie, paka laholio kamaa. I ka pili ana me ka mahuahua pāhawewe ia'ku e hoʻohana i kēia mau rubbers i loko o ka hana o ka laholio me kaʻoi loa ia'ku i ka gamma pāhawewe.

No? Iecaianoaaiiuo o nā huahana'ē aʻe ma mua o Hardy a maikaʻi ano, ke feedstock hoʻohana, a komo i ka palena iki styrene maʻiʻo.

Ano o ka styrene-butadiene rubbers, pāʻoihana polymerization

Ma ka lulu popilikia hana i hoʻonohonoho ai? Iecaianoaaiiuo o styrene-butadiene rubbers pāʻoihana polymerization me kekahi styrene maʻiʻo.

• SBR-10.
• SBR-25.
• SBR-18.
• SBR-50.
• 25E-ROSC (ua hoʻokāʻoi 'dielectric ano).

Ma ke kūʻai aku i laholio, i nā microblocks onaona styrene, manao no ka aaioee ma ka pahu kui.

Eia kekahi, ma laila nō ka aila-piha laholio pāʻoihana polymerization, i pihaʻi me mai i ka 27% aila. Ma muli o ke kākoʻo pāʻoihana polymerization ma ke alo o ka organolithium catalysts i hoʻoneʻe walaʻauʻana kiko'î o hakakino 'ole:

• kaula ai manamana ai;
• hakakino ke kaupaona;
• macrostructure.

Ka hanohano nō hoʻi 'ano o kēia mau rubbers ua manaoia nui imua o ka pīlali (i ka 98%), i ka palena iki nui o impurities. Nā polymers i ka laina 'ole i loko o e like me ka emulsion styrene-butadiene rubbers.

Ua loaa Polymeric mea he kiʻekiʻe ductility, e mae wale ia'ku, anu ia'ku, mahuahua ia'ku i ńlua. 'Ōlelo Aʻo i kiʻekiʻe hōʻeuʻeu hoomau ana o kēia mau mea. Ma ka lalo shrinkage ka mea, i ka Mooney (viscosity) oi mai ka macromolecule i ka laina 'ole, hiki ke hoopihaia me ka helu nui o ka pouli (kalaponaʻeleʻele) a me nā mea kāhinu, me he kūlana hoʻololi i ka me mechanical, a physical waiwai o vulcanizates.

Aia nō kekahi mauʻanoʻenehana pono i loko o ka? Iecaianoaaiiie o puna laholio ma e like me ka emulsion koho, akā, he hailona hou e pono ai ma ka maemae o na monomers i hoʻohana. Pāʻoihana polymerization rubbers hoʻohana ma o ka luhi o ka hana, no ka pili ana ikaika mea hoʻoili mau hipuu, kamaa, na puupuu wawae, laholio hoses, laholio lehulehu wahi. Ka loiloi mua eiiiiiaiou no ka? Iecaianoaaiiie o polymeric mea o kēiaʻano noʻonoʻo pono styrene a 1,3-Buada. Rubbers loaa mai ma ka pāʻoihana a emulsion copolymerization.

Ma kēia hana mea ole wale no ka hana o ka laholio enehana non-piha, akā, i hoonohonoho? Iecaianoaaiiuo o polymers i nā makana i loko o ka haku mele 'ana o ke kēpau, kalapona eleele, ka aila. Mawaena o ka polymeric pono hua mai la ma ka hapa iki o ka styrene butadiene laholio hoike no ka oi ma mua o ka hapalua o ke? Iecaianoaaiiie 'auhau.

Ke kumu no keia me ka unahiʻole o ka kiʻekiʻe homogeneity o ke kino ai 'a me ka Nine Inch ano o ka hana huina hoonui, i ka loaʻa nui o ka wahi ho monomers (styrene a me ka butadiene), a me ka hookupaa? Iecaianoaaiiuo laina.

Nui nuipa o styrene butadiene laholio i ke kālā no? Iecaianoaaiiuo loaa mai ma ka emulsion copolymerization o styrene a me ka butadiene.

Mea Maluna o ka laholio ma ka 'ole

Ua haawiia i ke kūlana o ka polymerization a me ka haku mele 'ana o ka hoʻohana' ia eiiiiiaiou hoonohonoho? Iecaianoaaiiuo o styrene-butadiene rubbers, i mea okoa ma ka haku mele 'ana a me ka waiwai. Ae ana helu, ole hoi o ka makana o mall huahelu o ka styrene a me butadiene i loko o ka macromolecule.

E like me ka mehana emi he mea he emi ma ka laupaʻi ka maʻiʻo o haʻahaʻa hakakino kaumaha hapa iki ua loaʻa laholio. Eia kekahi, aia no he ka ho'ēmiʻana o ka mall ai manamana ai, mahuahua ma regular pīlali 'ole, i ikaika e loli ai i ka oaoieei-a me ka pae'ōnaehana ano o ka hoʻopau' ana i huahana.

Ma ka hooulu ana o ka wahi lulu? Iecaianoaaiiuo o kemikala mea nui wahi ua e hookupaa nui ae i? Iecaianoaaiiuo butadiene-styrene noi ma o polymerization ma ka'ano'ēʻano papa hana. Ma keia, i na mea o ka kiʻekiʻe ka pono, a ma ka affordable kumukuai e paka kanu o Krasnoyarsk, Omsk, Togliatti, Sterlitamak, Voronezh.

enehana Hiʻona

hiki ke loaa i ka pīlali ka kekahi kiko'î, inā makemake. No ka laʻana, me ka haawi awelike hakakino kaumaha i ka hooponopono i ka polymerization ma ka ohui regulators hiki o ka hana 'i ke kaula EYI. E like me ka mea laupaʻi ka maʻiʻo regulators malama emi ma hakakino paona o ka pīlali.

He aha e e manao like emulsifiers, pono no ka? Iecaianoaaiiie o ka pilina paʻa emulsions o na monomers, a me ka paka hope huahana o polymerization, na latices? I ka papa kuhikuhiE Nine Inch eiiiiiaiou noʻonoʻo potasiuma a paʻakai paʻakai o momoma kemikala carboxylic nāʻakika, hydrogenated rosin a me ka paʻakai alkisulfonatov.

I ka koho rosin ka mea, ua mua malalo i ka kūikawā lapaau. Ma ka disproportionation kaʻina hana i ka wa a ka hōʻeleu (palladium), e loaʻa iā ia kekahi o ka waiwai koi 'ia no ke kaʻina pae rubbers.

? iecaianoaaiiuo Spefitsika

No ka copolymerization hoʻohana 'o na pu ki polymerizer. Ma ka hoomakaukau ana i ka Blend mea hui a me ka mālama '-hoomaemaeia maloo styrene, butadiene, ka'ūheheʻe (ia paha e kekahi cyclohexane) i loko o ka lākiō o ka 5/1. Hou eiiiiiaiou o ka loiloi mua feedstock ua hanaiia mai i loko o ka mīkini kāwili orifices no ka mea e like ai paʻipaʻiʻia ai. I ka läÿau, i laila i kauoha ia i ka hoopai Nine Inch hoʻomaʻemaʻe o nā liʻiliʻi impurities.

Ka i hoʻomākaukauʻia ka lawelawe 'organolithium hui titer ma 25 ° C no 20 mau minuke. Ke degere o ka hoomaemae ana me ka nānā 'ana i ka waihoʻoluʻu hui. Ināʻaʻohe impurities, mai ka hui mai o iki mea eleele ano. Prior i ka polymerization, ka'ōhui ua hui pūʻia me ka hōʻeleu, Polar mea hoʻonui.

Ke kaʻina ua lawe mai i loko o ka na pu ki aloha, a he ekolu maʻamau i hoʻomākaukauʻia, ma successively e hanai ana oia i ke kauoha. Ke ana wela i loko o ka polymerizer ua mālama 'ia ma ka laulā o ka mai 50 a hiki i 80 ° C. Ka awelika lōʻihi like 'ole o nā mea a pau o ka Nine Inch kaʻina mea 6 hola.

ka hopena

Ma kela poepoe o ke ola a me ka mama no hoi o kanaka halawai 'āwīwī mea, a i ka nānā' ana ma luna o styrene-butadiene laholio. Mua o nā mea a pau, ua nana i ka hana ana o ka laholio kamaa puupuu wawae, kaʻa laholio papale hainaka, heʻano o ke kihapai kaukini loloa.

Ke Random copolymers o styrene a me ka butadiene ua hoʻomano hoʻohana 'ia i loko o ka hana ana o ka uila hō'īpale mea, likeʻole huahana no ka mea kaʻa hana, a me ka hanaia'na o ke kiʻekiʻe-kbps papale hainaka. Innovative loea e hana holomua nā hoʻohua o styrene-butadiene rubbers, ae ia e ho okumu ana i nā huahana me ka makemake a me ka physical Nine Inch kiko'î, makemake hana ano.

I waena o nā hiʻona o keia palapala noi aie? Iecaianoaaiiuo o kbps catalysts. Ke kaumaha ma muli o ka 'ole o ka synthesized rubbers me ka nui loa kekahi kaʻina manawa o ko lākou mea i hanaia a me ka hope loa o na lilo o ua hanaʻia nā huahana nānā' ana i laholio laholio.