Wadanne nau'ikan zaruruwa ne aka fi amfani da su a turmi polymer?

Ƙara zaruruwa zuwa turmi polymer don inganta ingantaccen aikin turmi ya zama hanya gama gari kuma mai yuwuwa. Filayen da aka saba amfani da su sune kamar haka

Fiberglass resistant Alkali?

Ana yin fiber na gilashi ta hanyar narkewar silicon dioxide, oxides mai ɗauke da aluminium, calcium, boron da sauran abubuwa, da ƙaramin adadin kayan aikin sarrafa su kamar su sodium oxide da potassium oxide a cikin ƙwallan gilashi, sannan a narke a zana ƙwallan gilashin a cikin kumfa. Kowane zaren da aka zana daga ƙugiya ana kiransa monofilament, kuma duk monofilaments da aka zana daga ƙugiya ana haɗa su a cikin ɗanyen zaren (tow) bayan wucewa ta cikin tanki. Bayan an yanke ja, ana iya amfani dashi a cikin turmi polymer.

Halayen ayyukan aikin fiber gilashin ƙarfin ƙarfi ne, ƙarancin ƙarancin ƙarfi, haɓakar haɓakawa, ƙarancin haɓaka haɓakar madaidaiciyar madaidaiciya, da ƙarancin ƙarancin thermal. Ƙarfin ƙarfi na fiber gilashin ya zarce ƙarfin kayan ƙarfe daban-daban (1010-1815 MPa).

Velen fiber?

Babban bangaren vinyl shine barasa na polyvinyl, amma barasa na vinyl ba shi da kwanciyar hankali. Gabaɗaya, vinyl barasa acetate (vinyl acetate) tare da barga aiki ana amfani dashi azaman monomer don polymerize, sa'an nan kuma sakamakon polyvinyl acetate ya zama barasa don samun polyvinyl barasa. Bayan an yi amfani da siliki da formaldehyde, za a iya samun vinylon mai jure ruwan zafi. Yanayin narkewa (225-230C) na barasa na polyvinyl ya fi zafin bazuwar (200-220C), don haka ana jujjuya shi ta hanyar jujjuyawar bayani.

Vinylon yana da hygroscopicity mai ƙarfi kuma shine mafi yawan nau'ikan hygroscopic tsakanin zaruruwan roba, wanda ke kusa da auduga (8%). Vinylon ya ɗan fi ƙarfin auduga kuma ya fi ƙarfin ulu. Lalata juriya da haske juriya: insoluble a general Organic acid, alcohols, esters da man fetur kaushi fitila, ba sauki mold, da kuma ƙarfin hasãra ba babba lokacin fallasa zuwa hasken rana. Rashin hasara shi ne cewa juriya na ruwan zafi ba shi da kyau kuma rashin daidaituwa ba shi da kyau.

Fiber acrylic?

Yana nufin fiber na roba da aka yi ta hanyar rigar kadi ko bushewar kadi tare da fiye da 85% na copolymer na acrylonitrile da monomers na biyu da na uku.

Fiber acrylic yana da kyakkyawan juriya na haske da juriya na yanayi, wanda shine mafi kyau a tsakanin filaye na yau da kullun. Lokacin da fiber na acrylic ya fallasa zuwa rana na shekara guda, ƙarfinsa zai ragu da kashi 20%. Fiber acrylic yana da kwanciyar hankali mai kyau na sinadarai, juriya acid, juriya alkali mai rauni, juriya da iskar shaka da juriya mai ƙarfi. Duk da haka, acrylic fibers za su juya rawaya a cikin lemun tsami, kuma macromolecules za su karye. Tsarin quasi-crystalline na fiber acrylic yana sa fiber thermoelastic. Bugu da ƙari, fiber na acrylic yana da kyakkyawan juriya na zafi, babu mildew, kuma baya jin tsoron kwari, amma yana da mummunan juriya da rashin kwanciyar hankali.

Polypropylene fibers?

Fiber polyolefin da aka yi daga stereoregular isotactic polypropylene polymer ta narke kadi. Matsakaicin dangi shine mafi ƙanƙanta tsakanin zaruruwan roba, bushewa da ƙarfin jika daidai suke, kuma juriya na lalata sinadarai yana da kyau. Amma tsufa tsufa ba shi da kyau. Lokacin da aka sanya fiber na polypropylene a cikin turmi, yayin da ake hadawa da turmi, haɗin haɗin da ke tsakanin fiber monofilaments ya lalace ta hanyar shafa da gogayya na turmi da kansa, kuma an buɗe fiber monofilament ko tsarin cibiyar sadarwa, don haka don gane da yawa Sakamakon yawancin zaruruwan polypropylene a ko'ina sun gauraye su cikin kankare.

Nailan fiber?

Polyamide, wanda aka fi sani da nailan, kalma ce ta gabaɗaya don resin thermoplastic mai ɗauke da maimaita ƙungiyoyin amide-[NHCO]—a kan babban sarkar kwayoyin halitta.

Nailan yana da ƙarfin injina mai ƙarfi, matsakaicin laushi mai laushi, juriya mai zafi, ƙarancin juriya, juriya, lubrication kai, shawar girgiza da raguwar amo, juriya mai, raunin acid juriya, juriya na alkali da sauran kaushi na gabaɗaya, ingantaccen rufin lantarki, yana da Kai- mai kashewa, mara guba, mara wari, juriya mai kyau, rini mara kyau. Rashin hasara shi ne cewa yana da babban shayar ruwa, wanda ke shafar kwanciyar hankali da kuma kayan lantarki. Ƙarfafawar fiber na iya rage shayarwar ruwa na guduro, ta yadda zai iya aiki a ƙarƙashin yanayin zafi da zafi mai zafi. Naylon yana da alaƙa mai kyau tare da filaye na gilashi.

Polyethylene fiber?

Zaɓuɓɓukan polyolefin sun juya daga polyethylene madaidaiciya (polyethylene mai girma) ta hanyar narkewa. Siffofin na'urar sune:

(1) Ƙarfin fiber da elongation suna kusa da na polypropylene;

(2) Ƙarfin shayar da danshi yayi kama da na polypropylene, kuma yawan dawowar danshi ba shi da kome a ƙarƙashin yanayin yanayi na al'ada;

(3) Yana da ingantattun kaddarorin sinadarai, juriya mai kyau da juriya na lalata;

(4) Juriyar zafin zafi ba ta da kyau, amma juriya da zafi ya fi kyau, yanayin narkewar sa ya kai 110-120 ° C, wanda ya yi ƙasa da sauran zaruruwa, kuma juriya ga narkewar ramuka ba ta da kyau;

(5) Yana da insulator mai kyau. Juriyar haske ba ta da kyau, kuma yana da sauƙin tsufa a ƙarƙashin hasken haske.

Aramid fiber?

Babban sarkar macromolecule na polymer yana kunshe da zobba na aromatic da amide bond, kuma aƙalla 85% na ƙungiyoyin amide suna haɗa kai tsaye zuwa zoben aromatic; da nitrogen atoms da carbonyl kungiyoyin a cikin rukunonin amide na kowane rukunin maimaitawa suna haɗa kai tsaye zuwa zoben kamshi. aramid fibers.

Aramid fiber yana da ingantattun kayan aikin injiniya da haɓakawa kamar ƙarfin ƙarfi mai ƙarfi, babban juzu'i mai ƙarfi, ƙarancin ƙarancin ƙarfi, haɓakar kuzari mai kyau da ɗaukar girgiza, juriya juriya, juriya mai tasiri, juriya ga gajiya, da kwanciyar hankali. Chemical lalata, high zafi juriya, low fadada, low thermal watsin, ba konewa, ba narkewa da sauran fitattun thermal Properties da kyau kwarai dielectric Properties.

itace fiber?

Fiber na itace yana nufin nama na inji wanda ya ƙunshi bangon tantanin halitta mai kauri mai kauri da ƙwayoyin fiber tare da ramummuka masu kyau kamar fashe, kuma yana ɗaya daga cikin manyan abubuwan xylem.

Itace fiber fiber ne na halitta wanda ke sha ruwa kuma ba ya narkewa a cikin ruwa. Yana da kyau kwarai sassauci da dispersibility.