Labarai

"Metallocene" yana nufin mahaɗan haɗin gwiwar ƙarfe na halitta waɗanda ƙarfe masu canzawa suka samar (kamar zirconium, titanium, hafnium, da sauransu) da cyclopentadiene. Polypropylene da aka haɗa tare da abubuwan haɓaka ƙarfe ana kiransa metallocene polypropylene (mPP).

Kayayyakin ƙarfe polypropylene (mPP) suna da kwararar ruwa mai yawa, zafi mai yawa, shinge mai girma, haske mai kyau da bayyanawa, ƙarancin wari, da yuwuwar amfani da su a cikin zare, fim ɗin siminti, injin allura, thermoforming, likitanci, da sauransu. Samar da polypropylene na ƙarfe (mPP) ya ƙunshi matakai da yawa, gami da shirya abubuwan kara kuzari, polymerization, da kuma bayan sarrafawa.

1. Shiri Mai Haɗawa:

Zaɓin Mai Haɗa Ƙarfin Metallocene: Zaɓin mai haɗa ƙarfin ƙarfe yana da matuƙar muhimmanci wajen tantance halayen mPP da ya haifar. Waɗannan masu haɗa ƙarfin ƙarfe galibi suna haɗa da ƙarfe masu canzawa, kamar zirconium ko titanium, waɗanda aka haɗa tsakanin cyclopentadienyl ligands.

Ƙarin Cocalyst: Sau da yawa ana amfani da masu haɓaka ƙarfe tare da cocatalyst, yawanci wani abu da aka yi da aluminum. Cocatalyst yana kunna mai haɓaka ƙarfe, yana ba shi damar fara amsawar polymerization.

2. Yin amfani da polymerization:

Shiri na Kayan Abinci: Propylene, monomer na polypropylene, yawanci ana amfani da shi azaman babban kayan abinci. Ana tsarkake propylene don cire ƙazanta waɗanda zasu iya kawo cikas ga tsarin polymerization.

Saitin Reactor: Haɗarin polymerization yana faruwa ne a cikin reactor a ƙarƙashin yanayin da aka tsara sosai. Saitin reactor ya haɗa da mai kara kuzari na metallocene, cocatalyst, da sauran ƙarin abubuwa da ake buƙata don halayen polymer da ake so.

Yanayin Haɓaka Polymerization: Ana kula da yanayin amsawar, kamar zafin jiki, matsin lamba, da lokacin zama, a hankali don tabbatar da nauyin kwayoyin halitta da tsarin polymer da ake so. Masu haɓaka ƙarfe suna ba da damar sarrafa waɗannan sigogi daidai idan aka kwatanta da masu haɓaka ƙarfe na gargajiya.

3. Copolymerization (Zaɓi ne):

Haɗa Co-monomers: A wasu lokuta, ana iya haɗa mPP tare da wasu monomers don gyara halayensa. Co-monomers na gama gari sun haɗa da ethylene ko wasu alpha-olefins. Haɗa co-monomers yana ba da damar keɓance polymer don takamaiman aikace-aikace.

4. Karewa da Kashewa:

Karewar Amsawa: Da zarar an kammala polymerization, ana dakatar da amsawar. Sau da yawa ana samun wannan ta hanyar gabatar da wakili na karewa wanda ke amsawa da ƙarshen sarkar polymer mai aiki, yana dakatar da ci gaba da girma.

Kashewa: Sannan ana sanyaya polymer ɗin cikin sauri ko kuma a kashe shi don hana ƙarin amsawa da kuma ƙarfafa polymer ɗin.

5. Farfado da Polymer da Bayan Aiwatarwa:

Rabawar Polymer: An raba polymer ɗin daga cakudawar amsawar. Ana cire monomers marasa amsawa, ragowar catalyst, da sauran samfuran da ba su da amsawa ta hanyar dabarun rabuwa daban-daban.

Matakan Bayan Aiwatarwa: MPP na iya ɗaukar ƙarin matakan sarrafawa, kamar extrusion, composing, da pelletization, don cimma siffar da halayen da ake so. Waɗannan matakan kuma suna ba da damar haɗa ƙarin abubuwa kamar su slip agents, antioxidants, stabilizers, nucleating agents, colorants, da sauran ƙarin abubuwa.

Inganta mPP: Zurfafawa Cikin Muhimman Ayyukan Sarrafa Karin Abinci

Wakilan Zamewa: Sau da yawa ana ƙara sinadarai masu zamewa, kamar su amides masu dogon sarka, a cikin mPP don rage gogayya tsakanin sarƙoƙin polymer, yana hana mannewa yayin sarrafawa. Wannan yana taimakawa wajen inganta tsarin fitarwa da ƙera.

Masu Inganta Guduwar Ruwa:Ana amfani da abubuwan inganta kwarara ko kayan aiki na sarrafawa, kamar kakin polyethylene, don inganta kwararar narkewar mPP. Waɗannan ƙarin abubuwan suna rage ɗanko kuma suna haɓaka ikon polymer na cike ramukan mold, wanda ke haifar da ingantaccen sarrafawa.

Magungunan hana tsufa:

Masu daidaita sinadarai: Antioxidants muhimman abubuwan ƙari ne da ke kare mPP daga lalacewa yayin sarrafawa. phenols da phosphites masu hana sinadarai sune abubuwan daidaita sinadarai da ake amfani da su akai-akai waɗanda ke hana samuwar free radicals, suna hana lalacewar zafi da oxidative.

Ma'aikatan Nucleating:

Ana ƙara sinadaran Nucleating, kamar talc ko wasu sinadarai marasa tsari, don haɓaka samuwar tsarin kristal mafi tsari a cikin mPP. Waɗannan ƙarin abubuwa suna haɓaka halayen injiniyan polymer, gami da tauri da juriya ga tasiri.

Masu launi:

Launuka da Rini: Sau da yawa ana haɗa launuka a cikin mPP don cimma takamaiman launuka a cikin samfurin ƙarshe. Ana zaɓar launuka da rini bisa ga launin da ake so da buƙatun amfani.

Masu Gyaran Tasiri:

Elastomers: A aikace-aikace inda juriyar tasiri take da mahimmanci, ana iya ƙara masu gyaran tasiri kamar robar ethylene-propylene zuwa mPP. Waɗannan masu gyaran suna inganta ƙarfin polymer ba tare da yin watsi da wasu kaddarorin ba.

Masu jituwa:

Maleic Anhydride Grafts: Ana iya amfani da masu jituwa don inganta daidaito tsakanin mPP da sauran polymers ko ƙari. Misali, maleic anhydride grafts na iya haɓaka mannewa tsakanin sassan polymer daban-daban.

Magungunan Zamewa da Maganin Kullewa:

Maganin Zamewa: Baya ga rage gogayya, magungunan zamewa na iya zama magungunan hana toshewa. Magungunan hana toshewa suna hana mannewa da saman fim ko takarda yayin ajiya.

(Yana da mahimmanci a lura cewa takamaiman ƙarin sarrafawa da ake amfani da su a cikin tsarin mPP na iya bambanta dangane da aikace-aikacen da aka yi niyya, yanayin sarrafawa, da halayen kayan da ake so. Masu kera suna zaɓar waɗannan ƙarin a hankali don cimma ingantaccen aiki a cikin samfurin ƙarshe. Amfani da abubuwan haɓaka ƙarfe a cikin samar da mPP yana ba da ƙarin matakin sarrafawa da daidaito, yana ba da damar haɗa ƙarin abubuwa ta hanyar da za a iya daidaita ta yadda ya dace don biyan takamaiman buƙatu.)

Ingantaccen Buɗewa丨Sabbin Magani don mPP: Matsayin Sabbin Magani na Sarrafawa, Abin da masana'antun mPP ke buƙatar sani!

mPP ta fito a matsayin wani abu mai juyi, wanda ke ba da ingantattun halaye da ingantaccen aiki a aikace-aikace daban-daban. Duk da haka, sirrin nasararsa ba wai kawai yana cikin halayensa na asali ba har ma da amfani da dabarun amfani da ƙarin kayan sarrafawa na zamani.

SILIMER 5091yana gabatar da wata sabuwar hanya don haɓaka iya sarrafa polypropylene na metallocene, yana ba da madadin mai ban sha'awa ga ƙarin PPA na gargajiya, da mafita don kawar da ƙarin da ke tushen fluorine a ƙarƙashin ƙuntatawar PFAS.

SILIMER 5091wani ƙarin sinadaran sarrafa sinadarai ne wanda ba shi da sinadarin fluorine don fitar da kayan polypropylene tare da PP a matsayin mai ɗaukar kaya wanda SILIKE ya ƙaddamar. Samfurin polysiloxane ne da aka gyara ta halitta, wanda zai iya ƙaura zuwa kayan aikin sarrafawa kuma yana da tasiri yayin sarrafawa ta hanyar amfani da kyakkyawan tasirin shafawa na farko na polysiloxane da tasirin polarity na ƙungiyoyin da aka gyara. Ƙaramin adadin da za a iya ɗauka zai iya inganta ruwa da sauƙin sarrafawa yadda ya kamata, rage bushewar ruwa yayin fitar da ruwa, da kuma inganta yanayin fatar shark, wanda ake amfani da shi sosai don inganta man shafawa da halayen saman fitar da filastik.

YausheTaimakon Sarrafa Polymer Ba Tare da PFAS Ba (PPA) SILIMER 5091an haɗa shi cikin matrix na metallocene polypropylene (mPP), yana inganta kwararar narkewar mPP, yana rage gogayya tsakanin sarƙoƙin polymer, kuma yana hana mannewa yayin sarrafawa. Wannan yana taimakawa wajen inganta tsarin fitarwa da ƙera abubuwa. yana sauƙaƙa hanyoyin samarwa masu laushi da kuma ba da gudummawa ga inganci gaba ɗaya.

A jefar da tsohon kayan aikin da kake amfani da shi,SILIKE PPA SILIMER 5091shine abin da kuke buƙata!