A fannin sinadarai na polymer, polyols na musamman suna aiki a matsayin muhimman tubalan gini. Ƙungiyoyin Hydroxyl suna amsawa da isocyanates don samar da haɗin urethane mai ƙarfi. MOFAN tana ƙera jerin polyether na fasaha da kuma superior polyethylene glycols (PEG) don tsarin masana'antu. Injiniyoyin sinadarai suna amfani da waɗannan abubuwan a cikin rufin da ke da ƙarfi, kumfa mai sassauƙa, da kuma polyurethane elastomers.

Wannan ci gaban yana nuna girman tattalin arzikin polyols a cikin masana'antu.

Muhimman Abubuwan Da Ake Ɗauka

• Polyols na musammansamar da haɗin urethane mai ƙarfi tare da isocyanates don ƙirƙirar polyurethanes masu aiki mai kyau.
• Polyether polyols suna jure wa lalacewar ruwa fiye da polyester polyols a cikin yanayi mai danshi.
• Polyols masu aiki mai yawa suna ƙara yawan haɗin gwiwa don ƙara taurin abu da juriya ga zafi.
• Diols masu nauyin ƙwayoyin halitta suna rage yawan urethane don kiyaye mannewar ruwa mai sassauƙa a yanayin zafi ƙasa da sifili.
• Polyols masu ƙamshi suna ba da juriya mai ƙarfi ga zafi da kuma jinkirin harshen wuta ga bangarorin rufin zafi masu tsauri.
• Tsarkakakken polyethylene glycols yana samar da man shafawa mai laushi da kuma sarrafa hana rikitar da yanayi a masana'antu daban-daban.
• Ƙarancin sinadarin potassium a cikin kayan da aka samar yana hana halayen sinadarai marasa so yayin samar da masana'anta.

Fahimtar Polyols na Musamman a Kimiyyar Masana'antu

Tsarin Sinadaran Polyether da PEG Polymers

Tsarin masana kimiyyar polymerpolyols na musammandon gina kayan aiki masu inganci da dorewa. Tsarin kwayoyin halitta ya dogara ne akan maimaita haɗin ether wanda ke ba da juriya mai lankwasawa da ƙarfi mai ƙarfi. Masu farawa da ether masu motsi suna ƙirƙirar sarƙoƙi daban-daban waɗanda aka tsara don tsarin masana'antu.

Zaɓar polyether polyols da polyester polyols yana canza juriyar ƙashin baya sosai. Tsarin polyether yana ba da juriya mai kyau ga tsagawar hydrolytic a cikin yanayin danshi. Akasin haka, haɗin ester a cikin polyester polyols yana ba da juriya mai ƙarfi ga gogewa ta injiniya. MOFAN yana ba da polyols masu aiki waɗanda ke daidaita juriyar sinadarai tare da daidaitaccen halayen sarrafawa.

Matsayin Polyols a cikin Tsarin Polyurethane

Haɗakar polyurethane mai aiki mai yawa ya dogara ne akan ƙara stoichiometric na ƙungiyoyin hydroxyl masu aiki zuwa ga mahaɗan aiki masu amsawa. Babban amsawar yana faruwa ne lokacin da ƙungiyar hydroxyl ta ƙarshe ta haɗu da kwayar isocyanate. Wannan matakin yana samar da haɗin urethane mai ƙarfi tare da sarkar polymer mai girma.

rukunin hydroxyl + isocyanate -> haɗin urethane

Masu tsarawa suna haɗa nau'ikan polyols daban-daban tare da takamaiman nau'ikan isocyanate don sarrafa yawan kumfa, taurin polymer, da juriya ga zafi. Haɗin resin ruwa yana buƙatar daidaitaccen ƙimar amsawar motsi don hana gelling da wuri yayin sarrafawa. Ƙara ƙarin haɗin gwiwa yana hanzarta jadawalin warkewa da inganta taurin haɗin gwiwa na ƙarshe. MOFAN tana ba da matakan fasaha na musamman waɗanda ke tabbatar da daidaiton sarrafawa a cikin kayan aikin samarwa ta atomatik.

Rarraba Aiki ta Nauyin Kwayoyin Halitta da Lambar Hydroxyl

Ƙimar Hydroxyl tana jagorantar yawan haɗin gwiwa da halayen jiki na hanyoyin sadarwa na thermoset da aka warke. Ƙarin ƙananan nauyin kwayoyin halitta suna da yawan hydroxyl, suna ƙirƙirar sassan polymer masu tauri tare da matsattsun yawan haɗin gwiwa. Diols masu nauyin kwayoyin halitta suna da ƙananan lambobin hydroxyl, suna samar da sassan elastomeric masu laushi waɗanda suka dace da manne.

Zaɓar lambobin hydroxyl masu dacewa yana bawa injiniyoyi damar keɓance sassaucin injina da ɗabi'ar taurin kai daidai. Mafi girman nauyin kwayoyin halitta yana rage yawan tarin urethane a cikin matrix. Ƙananan nauyin kwayoyin halitta yana ƙara yawan abun ciki na sassa masu tauri, yana ƙara juriyar zafi da ƙarfin ɗaukar nauyi mai matsi. MOFAN tana ƙera polyols na fasaha a faɗin nauyin kwayoyin halitta don biyan buƙatun masana'antu na masana'antu.

Nau'o'i Masu Mahimmanci da Halayen Jiki na Tsarin Polyether

Polyols na musamman suna ba da ɗabi'ar sarrafawa da aka tsara da kuma tsawon rai na sabis a duk faɗin aikace-aikacen sinadarai na masana'antu.Polyether polyolsSuna da alaƙar iskar oxygen a cikin sarƙoƙin ƙwayoyin halittarsu. Waɗannan haɗin ether suna ba da kyakkyawan kwanciyar hankali na hydrolytic a cikin yanayin sarrafa danshi. Injiniyoyin sinadarai galibi suna kwatanta waɗannan tsarin da polyester polyols. Duk da cewa polyester polyols suna ba da ƙarfi ta jiki, polyester polyols ba su da daidaiton hydrolytic. Polyols na Polyester suna lalacewa da sauri idan aka fallasa su ga danshi mai ɗorewa. MOFAN ta tsara tsare-tsare na musamman don kare abubuwan da ke aiki daga lalata ruwa da kuma mummunan fallasa sinadarai.

Manyan Masu Haɗa Haɗin Kai da Tsarin Diols

Tsarin polymer ya dogara ne akan ƙirar kwayoyin halitta ta farko don cimma takamaiman halayen injiniya. Haɗin haɗin gwiwa masu aiki mai girma suna gina hanyoyin sadarwa masu girma uku, yayin da diols na tsari ke samar da sarƙoƙin polymer masu layi.

Haɗin kai da Ƙarfin Inji

Masu haɗa haɗin gwiwa masu aiki sosai suna ƙara yawan wuraren hydroxyl masu amsawa ga kowace ƙwayar halitta. Aikin Hydroxyl tsakanin 2.0 da 4.0 yana haɓaka yawan haɗin gwiwa yayin polymerization. Babban yawan haɗin gwiwa kai tsaye yana inganta ƙarfi mai haɗin kai, taurin jiki, da kuma halayen injiniya gabaɗaya. MOFAN yana samar da PF-040, PF-450, da PF-1050 don inganta haɗin kai na matrix. Waɗannan ƙarin abubuwa suna ƙara juriyar zafi a cikin manne mai sassa biyu, simintin tsari, da kuma rufin bene mai kariya.

Diols Mai Tsawo Mai Girma don Tsarin Ƙananan Modulus

Aikace-aikacen ƙananan modulus yana buƙatar polymers masu layi tare da manyan nauyin kwayoyin halitta. Diols masu nauyi kamar MOFAN PF-2080 da PF-2120 suna ba da sassauci mai ban mamaki da tsayi mai yawa. Waɗannan diols na tsari suna rage jimlar yawan urethane tare da kashin bayan polymer. Ƙananan adadin rukunin urethane suna samar da sassa masu laushi waɗanda ke riƙe da sassaucin ƙarancin zafin jiki har zuwa -60°C. Masu tsara suna amfani da waɗannan diols masu layi don ƙera manne na haɗin gwiwa da elastomers masu ƙarfi.

Masu Buɗe Ƙwayoyin Halitta, Masu Haɗaka, da kuma Maki Mai Yawan Amsawa

Maki na musamman na ƙarin kayan aiki na musamman suna gyara tsarin ƙwayoyin kumfa na ciki da kuma motsin amsawar saman. Aiki, ƙimar hydroxyl, da danko suna aiki azaman manyan ma'auni don rarraba waɗannan polyols na musamman.

Tsarin buɗe ƙwayoyin halitta na PF-3500 yana hana raguwar iska a cikin kumfa mai laushi mai ƙarancin yawa. Tsarin Hydrophilic na PF-010 ya ƙunshi ƙungiyoyin hydroxyl masu aiki waɗanda ke aiki cikin sauƙi a cikin hydrogels masu kumburin ruwa. Matsayin amsawa mai yawa na PF-2802 yana ƙara ƙarfin tsagewa a cikin tafin takalma da aka ƙera. Waɗannan polyols na musamman suna kiyaye halayen jiki masu ƙarfi yayin zagayowar samarwa mai sauri.

Ƙamshi da Novolac Polyols don Rage Wuta

Tsarin rufewar zafi mai ƙarfi yana buƙatar saurin sarrafawa, ƙarfin tsari mai ƙarfi, da juriyar wuta mai tsanani. Polyols masu ƙamshi da novolac sun haɗa da zoben ƙamshi a cikin babban sarkar polymer. Kayayyaki kamar MOFAN PF-800, PF-1380, da PF-585 suna ba da ingantaccen aikin zafi idan aka kwatanta da polyols na gargajiya.

Polyols mai ƙamshi suna aiki yadda ya kamata tare da ƙungiyoyin isocyanate masu aiki yayin sarrafa kumfa mai feshi. Sakamakon hanyar sadarwa ta polymer yana fitar da tsarin kariya na polyphenolic a yanayin zafi mai yawa. Wannan martanin sinadarai yana samar da layin kariya yayin fallasa zafi. Haɗin carbon-carbon mai ƙarfi yana ba da juriya ga zafi, juriya ga sinadarai na musamman, da kuma jinkirin harshen wuta mai tsanani. Aikace-aikacen masana'antu sun dogara ne akan waɗannan tubalan ginin ƙanshi don bangarorin rufi masu tauri, allon polyisocyanurate, da elastomers masu yawa na polyurethane. Kayan ƙarshe suna ba da tsawon rai na sabis, ingantaccen tallafin tsari, da kuma juriyar sinadarai mai ci gaba a cikin yanayin masana'antu masu tsauri.

Manyan Polyethylene Glycols a Masana'antu

Bayani game da Jerin Samfuran MOFAN PEG

Polyethylene glycolssuna aiki a matsayin polymers marasa ionic masu amfani a cikin masana'antu daban-daban na sarrafawa. MOFAN tana samar da cikakken jerin Polyethylene Glycols masu inganci tun dagaPEG1000 to PEG20000Waɗannan kayan polyether masu layi suna ɗauke da ƙungiyoyin hydroxyl masu aiki. Masu kera suna amfani da waɗannan samfuran azaman magungunan hana kumburi, man shafawa na masana'antu, masu sakin sinadarai, da kuma tsaka-tsakin kayan masarufi. Tsarin sinadarai ya dogara ne akan waɗannan sarƙoƙi masu aminci don sarrafa riƙe danshi da man shafawa a cikin samfuran da aka gama.

Masu tsara masana'antu suna zaɓar takamaiman ma'aunin polyglycol bisa ga tsawon sarkar da ake buƙata da halayen aiki. Masana'antun yadi, takarda, aikin ƙarfe, roba, da magunguna suna amfani da waɗannan mahaɗan polyether don inganta ingancin sarrafawa. Ƙananan ma'aunin nauyin kwayoyin halitta suna ba da kyakkyawan juriya da aikin jika. Mafi girman ma'aunin nauyin kwayoyin halitta yana ba da babban danko na jiki da ƙarfin ɗaurewa mai ƙarfi. MOFAN tana daidaita kowane ma'aunin sinadarai don biyan takamaiman ƙayyadaddun kayan aikin masana'antu ta atomatik.

Ma'aunin Tsabta da Kula da Potassium

Haɗa sinadarai yana buƙatar tsarkakken tsarkin kayan abu don tabbatar da yawan amsawar rukuni mai maimaitawa. Ragowar abubuwan da ke haifar da sinadarai marasa so kamar ions na potassium suna lalata halayen sinadarai masu sauƙi. MOFAN yana sarrafa ragowar matakan potassium yayin ƙera polycondensation. Sarrafa matakan ƙarfe masu kama da juna yana hana halayen biyu da ba a so yayin haɗa polymer na polyurethane. Ƙananan gurɓataccen ionic yana kiyaye danshi mai ƙarfi yayin ajiya.

Ma'aunin fasaha mai tsafta yana rage lahani a cikin tsarin amfani da ƙarshen amfani. Ka'idojin tabbatar da tsarki suna gwada kowace rukunin samfura don tabbatar da abun da ke cikin sinadarai da kuma kiyaye ƙa'idodin inganci masu tsauri. Zaɓuɓɓukan ma'aunin USP/NF sun cika ƙayyadaddun ƙayyadaddun samfuran Pharmacopeia na Amurka don samfuran likitanci masu laushi. Takaddun cikakku na bin ƙa'idodin magunguna suna tare da ma'aunin magunguna don samar da cikakken bin diddigin rukuni. Samuwar ma'aunin USP/NF, Abinci (E1521), da fasaha yana bawa injiniyoyi damar zaɓar madaidaicin matakin tsarki don ainihin buƙatun aikace-aikacen.

Siffofi na Jiki daga Ruwa zuwa Foda

Nauyin kwayoyin halitta na polyglycol yana ƙayyade yanayin jikinsa a yanayin zafin ɗaki. Gajerun sarƙoƙin polymer suna zama ruwa mai ruwa, yayin da dogayen sarƙoƙi ke taurare zuwa daskararru ko foda mai kakin zuma.

Masu tsara suna zaɓar siffofi na zahiri don inganta hanyoyin sarrafa samarwa. Foda da aka niƙa suna gudana cikin 'yanci ta hanyar busassun hoppers masu sarrafa kansu. Siffofin ruwa suna haɗuwa nan da nan cikin ruwan sinadarai ba tare da shigar da zafi ba. Man shafawa mai ɗan ƙarfi yana ba da laushin shafawa mai laushi a cikin shirye-shiryen magunguna. MOFAN tana ba da siffofi na zahiri masu daidaito don sauƙaƙe haɗakar sinadarai na masana'antu.

Aikace-aikacen Masana'antu na Tsarin Polyether da PEG

Manne-manne na Polyurethane, Sealants, da Rufi

Masu tsarawa suna zaɓarpolyols na musammandon ƙirƙirar manne mai aiki mai kyau, manne mai rufewa, rufin kariya, da simintin tsari. A cikin tsarin CASE, polyols masu aiki da kuma masu aiki uku suna gina hanyoyin sadarwa na roba tare da halayen warkarwa da ake iya faɗi. Masu tsara abubuwa sau da yawa suna ƙayyade polyether diol da triol polyols tare da nauyin kwayoyin halitta daga 1000 zuwa 3000 don kayan polyurethane marasa kumfa na roba. Waɗannan tubalan ginin da ke aiki suna samar da haɗin urethane mai ƙarfi waɗanda ke kiyaye ƙarfi a ƙarƙashin matsin lamba na inji mai maimaitawa.

Polyols na polyether guda ɗaya suna ba da ingantaccen kwanciyar hankali na hydrolytic idan aka kwatanta da sunadarai na polyester a cikin yanayin sarrafa danshi. Ma'aunin polyether na ruwa yana riƙe da sassauci a yanayin zafi ƙasa da sifili saboda suna da ƙarancin yanayin canjin gilashi. Misali, ma'aunin polypropylene glycol yana nuna ƙimar canjin gilashi kusa da -60°C. Poly(tetramethylene ether) glycol yana ba da yanayin canjin gilashi ƙasa zuwa -75°C. Waɗannan halayen aiki suna hana fashewa da wuri a cikin manne na haɗin gwiwa na waje. Rufin bene na masana'antu yana amfani da polyols masu aiki mai yawa don ƙara yawan haɗin haɗin gwiwa. Haɗin haɗin gwiwa mafi girma yana haifar da saman mai yawa waɗanda ke tsayayya da zubewar sinadarai masu ƙarfi da gogewa na injiniya. Bugu da ƙari, manne mai sassa biyu yana dogara da resins masu ƙarancin ɗanko don jika saman da sauri. Waɗannan tsarin amsawa suna samar da haɗin urethane mai juriya waɗanda ke haɗa ƙarfe, robobi, da haɗakar tsari cikin aminci. Polyurethanes na musamman suna ba da juriya mai ƙarfi a cikin ƙafafun masana'antu da tafin ƙafa na microcellular. Bugu da ƙari, tsari na musamman don polyurethanes elastomers suna ba da juriya na tsagewa na musamman a ƙarƙashin nauyi mai ƙarfi.

Kumfa Mai Sassauƙa, Mai Juriya Mai Yawa, da Tauri

Masana'antar kumfa ta dogara ne akan daidaita aikin hydroxyl da tsawon sarka zuwa takamaiman buƙatun fasaha. Samar da kumfa mai laushi yana amfani da polyols mai tsayi tare da ƙarancin aiki tsakanin 2 da 3. Masu tsarawa suna zaɓar polyols na musamman tare da nauyin kwayoyin halitta daga 2000 zuwa 7000 don samar da tsarin sel mai sassauƙa don kayan shimfiɗa kayan daki da kayan gado. Kumfa mai ƙarfi yana haɗa polymers na musamman masu amsawa don haɓaka ƙarfin ɗaukar kaya da sake dawowar sel. Tsarin laushi da hypersoft yana buƙatar ƙarin abubuwan buɗe sel don daidaita matsin lamba na ciki da hana raguwar kumfa bayan ƙera. Aikace-aikacen cikin gida na motoci suna amfani da tsarin sassauƙa na musamman don gina kujerun mota masu daɗi, wurin hutawa na hannu, wurin hutawa na kai, da yadudduka masu rufe sauti.

Kumfa mai kauri na rufin zafi yana buƙatar ƙarin matakan haɗin gwiwa don cimma ƙarfin tsari da kwanciyar hankali a ƙarƙashin nauyin zafi. Masu tsara suna amfani da polyols tare da ƙimar aiki sama da 3 da kuma adadin hydroxyl mai yawa. Babban yawan haɗin gwiwa yana haifar da tsarin ƙwayoyin halitta masu rufewa waɗanda ke kama iskar gas mai hana ruwa shiga cikin matrix ɗin polymer mai kauri. Waɗannan tsarin ƙwayoyin halitta masu kauri suna ba da kwanciyar hankali na hydrolytic na dogon lokaci a cikin yanayin muhalli na waje. Girman ƙwayoyin halitta masu kyau suna inganta ƙarfin matsi na injiniya yayin da suke kiyaye ƙarancin watsa wutar lantarki a cikin allunan rufin kasuwanci. Motocin jigilar kaya na firiji, kayan aikin kasuwanci, da rufin feshi suna dogara ne akan tsarin polyurethane mai kauri don hana canja wurin zafi. Ayyukan gini suna shigar da allunan polyisocyanurate da aka riga aka riga aka tsara don rage yawan amfani da makamashin gini. Kumfa mai kauri kuma suna ba da mafita na musamman na marufi don kayan lantarki masu rauni.

Aikace-aikacen PEG a cikin Yadi, Roba, da Magunguna

Polyethylene glycol polymers suna aiki a matsayin kayan aiki masu amfani da yawa waɗanda ba sa amfani da ionic a fannoni daban-daban na aikace-aikacen masana'antu. Ma'aunin nauyin kwayoyin halitta daban-daban suna ba da halaye daban-daban na aiki a cikin ayyukan masana'antu.

• Sarrafa Yadi:Ma'aunin ruwa kamar PEG-200 suna aiki azaman masu laushi da kuma maganin hana rikitar da jiki. Ma'aunin matsakaici kamar PEG-400, 600, da 800 suna aiki azaman mai shafawa da kuma abubuwan jika yayin kammala zare. Zaɓuɓɓukan nauyin kwayoyin halitta masu girma kamar PEG-4000 suna aiki azaman masu manne filastik da masu laushi.
• Masana'antar Roba:PEG-1000 da 1500 suna aiki a matsayin masu wargazawa waɗanda ke haɓaka ingantaccen vulcanization da watsawar baƙar carbon. Maki mai ƙarfi kamar PEG-4000 da 8000 suna aiki a matsayin masu sakin mold, mai, da masu sanyaya.
• Tsarin Magunguna:Polyols masu narkewa cikin ruwa suna aiki a matsayin abubuwan taimako da kuma masu shiga tsakani a cikin kayayyakin likitanci. Waɗannan kayan da aka tsarkake suna haɓaka narkewar maganin, ingancin ɗaurewa, da kuma aikin isar da magani a cikin baki da kuma a cikin aikace-aikacen magunguna na waje.

Tsarin aikin ƙarfe na masana'antu yana dogara ne da polyethylene glycols don sanyaya, shafawa, da canja wurin zafi. Masu kera takarda suna amfani da maganin polyglycol don sarrafa riƙe danshi da inganta santsi a saman. Waɗannan ƙarin abubuwa masu aiki suna ba da kwanciyar hankali ga sinadarai a cikin baho na sarrafa acidic da alkaline. Ayyukan masana'antu na zamani suna zaɓar takamaiman nauyin polymer don inganta saurin sarrafawa da ingancin samfur.

Ka'idojin Zaɓe don Polyols na Musamman na MOFAN

Daidaita Ƙimar Hydroxyl da Aiki ga Bukatun Aikace-aikace

Zaɓin polyol mai inganci yana buƙatar daidaita lambobin hydroxyl da aiki don cimma ma'aunin zahiri. Aiki yana ƙayyade tsarin haɗin gwiwa na hanyar sadarwa da aka warke. Ƙimar Hydroxyl tana ƙididdige yawan wuraren hydroxyl masu aiki a kowace naúrar taro. Ƙananan ƙimar hydroxyl tare da aiki tsakanin 2 da 3 suna samar da hanyoyin sadarwa na roba. Ƙimar hydroxyl mafi girma tare da aiki tsakanin 4 da 8 suna samar da tsarin thermoset mai tsauri. Masu tsarawa suna kimanta waɗannan ma'auni don daidaita halayen injiniya na ƙarshe. Misali, polyether polyol tare da ƙimar hydroxyl na 150 mg KOH/g da matsakaicin nauyin kwayoyin halitta na 1200 g/mol yana nuna aiki kusa da 3.2. Masu tsarawa suna amfani da wannan takamaiman matakin don samar da bangarorin kumfa masu ƙarfi don bangarorin ciki na mota.

Inganta Danko, Amsawa, da Maganin Kinetics

Nasarar sarrafawa ya dogara ne akan daidaitaccen yanayin kwarara da saurin warkarwa. Zaɓin polyols na ruwa tare da ma'aunin kwayoyin halitta masu dacewa yana sarrafa ɗanko na tushe. Masu tsara suna ƙara sinadarin calcium carbonate da aka haƙa a kashi 20-40% na lodi don gina juriya ga sag. Bugu da ƙari, ƙara silica mai hayaƙi a kashi 2-5% na lodi yana ba da ƙarfin hali na thixotropic don hana yin kasa a kan substrates a tsaye. Haɗa prepolymers tare da rabon isocyanate zuwa hydroxyl tsakanin 1.8:1 da 2.5:1 yana taimakawa wajen daidaita danko na tsarin. Zaɓin polyol a hankali yana sauƙaƙa sarrafawa mai ƙarfi a cikin kayan aikin rarrabawa ta atomatik.

Masu haɓaka Organotin kamar DBTDL a nauyin 0.01-0.1% na nauyin da ke cikin 0.01% suna kafa ƙimar amsawar da ake iya faɗi. Waɗannan ƙarin suna haɓaka samuwar urethane don tabbatar da saman da ba shi da tackle cikin mintuna 30 zuwa 90. Masu haɓaka amine na ƙasa kamar hanzarta bayanin martaba na warkarwa a cikin tsarin polyurethane. Haɗa masu haɓaka aiki tare da polyols na aiki yana hana samuwar void a cikin abubuwan da aka ƙera masu yawa.

Inganta Kwanciyar Hankali da Juriyar Muhalli

Zaɓar ƙashin baya yana kula da daidaiton hydrolytic da juriyar sinadarai na dogon lokaci. Polyether polyols suna kiyaye kyakkyawan kwanciyar hankali na hydrolytic, suna jure wa sama da awanni 2000 a zafi 95% da kuma 70°C ba tare da asarar dukiya mai yawa ba. Akasin haka, polyester polyols suna lalacewa da sauri a ƙarƙashin zafi mai yawa saboda danshi yana kai hari ga haɗin ester. Zaɓin madadin polyols maimakon polyester polyols yana inganta juriyar ruwa a cikin polyurethane elastomers. Polyols na musamman suna ba da kyakkyawan juriya ga sinadarai a cikin mawuyacin yanayi na masana'antu. Polyols na musamman na polybutadiene suna riƙe da sama da kashi 98.5% yayin ci gaba da fallasa a 100°C na tsawon awanni 1000, suna kiyaye bambancin modulus na roba ƙasa da kashi 100%.

Kasusuwan ƙamshi suna ba da ƙarfin zafi don tsayayya da yawan zafi daga nau'in isocyanate da ba a mayar da martani ba. Zaɓuɓɓukan Aliphatic suna hana canjin launin UV mai tsanani. Masu tsara suna ƙara antioxidants a 0.5–1.5 wt% don inganta juriyar oxidative na dogon lokaci. Ƙara masu daidaita UV a 0.5–2.0 wt% suna kare kayan waje daga lalacewar hasken rana. Zaɓin polyol mai kyau yana tabbatar da cewa polyols na musamman na musamman suna kiyaye mahimman kaddarorin polyurethane a cikin aikace-aikacen waje daban-daban.

Polyols na musamman na MOFANda kuma jerin polyethylene glycol masu kyau suna isar da ƙimar tushe a cikin injiniyan polymer na zamani. Tsarin kwayoyin halitta masu inganci suna ba da damar polyols don inganta motsin amsawa da ƙarfin hanyar sadarwa ta zahiri. Halayen kayan da aka keɓance kai tsaye suna haɓaka aikin samfura a cikin manne na polyurethane, sealants na tsari, elastomers masu ƙarfi, da kumfa mai ƙarfi na hana zafi. Masu tsara suna kafa juriya mai kyau ga sinadarai, kwanciyar hankali na zafi, da dorewar injiniya ta hanyar sinadarai masu sarrafawa. Ayyukan sarrafa masana'antu suna samun ingantaccen aiki na masana'antu tare da waɗannan mafita na sinadarai masu tsarki a cikin layukan sarrafawa daban-daban. Ana gayyatar abokan cinikin masana'antu su tuntuɓi ƙwararrun fasaha na MOFAN don haɓaka tsare-tsare na musamman, magance matsalolin sarrafawa masu tsauri, da kuma samun tallafi na musamman don buƙatun masana'antu masu rikitarwa.

Tambayoyin da ake yawan yi akai-akai