Nylon 6: Txhais, Cov Khoom Siv thiab Kev Siv

1. Nylon 6 yog dab tsi?

Nylon 6, uas tseem hu ua polycaprolactam, yog ib hom semicrystalline polyamide polymer. Tsis zoo li feem ntau ntawm lwm cov nylon variants, nylon6 tsis yog tsim los ntawm condensation polymerization; Hloov chaw, nws tau txais lub nplhaib-qhib polymerization. Cov cuab yeej tshwj xeeb no distinguishes nws los ntawm ob qho tib si condensation thiab ntxiv polymers. Ntxiv mus, nws cov kev sib tw nrog nylon 6,6 thiab cov qauv uas nws tau tsim tau muaj kev cuam tshuam rau kev lag luam toj roob hauv pes ntawm kev lag luam hluavtaws fiber ntau.

 

Nylon 6 tuaj yeem hloov kho thaum lub sijhawm polymerization los ntawm kev sib koom ua ke comonomers lossis stabilizers, uas qhia cov saw tshiab los yog pawg ua haujlwm. Qhov kev hloov kho no hloov nws cov reactivity thiab cov khoom siv tshuaj, feem ntau los txhim kho dyeability lossis nplaim taws retardance. Lub synthesis ntawm nylon6 muaj xws li lub nplhaib-qhib polymerization ntawm caprolactam, ib tug molecule nrog rau carbons.

Thaum caprolactam yog rhuab ntawm kwv yees li 533 K nyob rau hauv ib qho inert nitrogen cua rau li 4-5 teev, lub nplhaib tawg thiab undergoes polymerization. Lub resulting molten loj yog ces dhau los ntawm spinnerets los ua nylon6 fibers.

Thaum lub sij hawm polymerization, amide daim ntawv cog lus nyob rau hauv txhua caprolactam molecule yog cleaved. Cov pab pawg reactive ntawm ob sab tsim ob daim ntawv cog lus tshiab raws li cov monomer koom ua ke rau hauv cov pob txha polymer. Nyob rau hauv sib piv rau nylon 6,6, qhov kev taw qhia ntawm amide daim ntawv cog lus alternates nrog txhua daim ntawv cog lus, tag nrho cov amide daim ntawv cog lus nyob rau hauv nylon 6 yog raws li nyob rau hauv tib txoj kev taw qhia (raws li tau piav nyob rau hauv daim duab, piv txwv li N rau C orientation ntawm txhua amide daim ntawv cog lus) .

 

2. Cov khoom ntawm nylon 6

Nylon6 yog ntau yam thiab siv dav siv hluavtaws polymer nrog ntau lub cev thiab tshuaj lom neeg.

2.1. Lub cev muaj zog

Nylon 6 muaj ntau lub cev tseem ceeb uas ua rau nws muaj koob meej hauv ntau daim ntawv thov.

2.2. Cov khoom siv tshuaj

Nylon 6 nthuav tawm ntau yam tshuaj muaj txiaj ntsig zoo, ua rau nws tsim nyog rau ntau daim ntawv thov kev lag luam.
Kev ruaj ntseg

Nylon 6 muaj kev ruaj ntseg zoo nyob rau hauv ib txwm muaj. Nws tuaj yeem tiv taus cov tshuaj feem ntau, nrog rau cov kua qaub, alkalis, thiab cov kuab tshuaj organic. Cov cuab yeej no ua rau nylon-6 haum rau cov ntawv thov uas cuam tshuam rau qhov chaw hnyav.

2.2.1. Kev nqus dej

Nylon 6 muaj peev xwm nqus dej nruab nrab. Nws tuaj yeem nqus dej noo los ntawm ib puag ncig ib puag ncig, uas tuaj yeem cuam tshuam rau nws qhov kev ruaj ntseg thiab cov khoom siv kho tshuab. Txawm li cas los xij, nylon-6 muaj qhov nqus dej tsawg dua piv rau lwm cov nylon variants, ua rau nws haum rau qee yam kev siv.

2.2.2. Melting Point ntawm nylon 6

Nylon6 muaj cov ntsiab lus melting siab, feem ntau yog li ntawm 210 txog 220 degrees Celsius (410 txog 428 degrees Fahrenheit). Qhov siab melting point no tso cai rau nylon-6 tiv taus cov ntawv thov kub kub yam tsis muaj kev puas tsuaj loj.

2.2.3. Thermal stability

Nylon 6 qhia tau zoo thermal stability, txhais tau tias nws tuaj yeem tiv taus qhov kub thiab txias yam tsis muaj kev puas tsuaj loj. Cov cuab yeej no ua rau nws tsim nyog rau cov ntawv thov uas yuav tsum tau muaj kev tiv thaiv thermal.

2.2.4. Tshuaj Reactivity

Nylon 6 qhia txog kev ua haujlwm nrog qee yam tshuaj, suav nrog cov kua qaub thiab cov hauv paus. Nws tuaj yeem ua rau hydrolysis nyob rau hauv lub xub ntiag ntawm cov kua qaub uas muaj zog, uas ua rau kev tawg ntawm nws cov saw hlau polymer. Txawm li cas los xij, nyob rau hauv ib txwm muaj mob, nylon-6 qhia tau hais tias muaj kev tiv thaiv zoo rau cov tshuaj tiv thaiv.

2.2.5. UV Stability

Nylon 6 muaj kev ncaj ncees tiv thaiv ultraviolet (UV) hluav taws xob. Txawm li cas los xij, kev raug tshav ntuj ntev ntev tuaj yeem ua rau degradation thiab discoloration ntawm cov khoom. Txhawm rau txhim kho nws txoj kev ruaj ntseg UV, cov khoom siv ntxiv lossis cov txheej txheem tuaj yeem siv tau.

2.2.6. nplaim taws Resistance

Nylon 6 yog inherently flammable thiab nyiam yaj thiab drips thaum raug nplaim taws. Txawm li cas los xij, cov nplaim hluav taws-retardant additives tuaj yeem muab tso rau hauv nylon-6 formulations los txhim kho nws cov khoom tiv thaiv hluav taws.

2.2.7. Kev hloov kho tshuaj

Nylon 6 tuaj yeem hloov kho tshuaj los txhim kho lossis hloov nws cov khoom. Nws tuaj yeem dhau los ua cov txheej txheem xws li copolymerization, sib xyaw nrog lwm cov polymers, lossis sib xyaw cov khoom ntxiv kom ua tiav cov yam ntxwv xav tau xws li txhim kho toughness, yooj, lossis nplaim taws.

2.2.8. Hydrolysis Resistance

Nylon 6 qhia tau zoo tiv thaiv hydrolysis, uas yog cov txheej txheem degradation vim dej raug. Thaum nylon-6 tuaj yeem nqus dej noo, nws tswj hwm nws cov qauv kev ncaj ncees thiab kev ua haujlwm ntev ntev, ua rau nws tsim nyog rau cov ntawv thov uas nws tuaj yeem cuam tshuam nrog dej.

2.2.9. Acid thiab Alkali Resistance

Nylon 6 qhia tau hais tias ua haujlwm zoo rau ob qho tib si acidic thiab alkaline ib puag ncig. Nws tuaj yeem tiv taus cov kua qaub me me thiab cov hauv paus tsis muaj kev puas tsuaj loj lossis poob ntawm cov khoom. Txawm li cas los xij, nyob rau hauv cov ntsiab lus siab lossis corrosive acid lossis alkali daws, nylon6 yuav muaj kev degradation dhau sijhawm.

 

3. Kev siv ntau ntawm nylon 6

Nylon 6's versatility, lub zog, durability, thiab ntau yam kev siv tau ua rau nws muaj kev xaiv nrov thoob plaws ntau yam lag luam. Los ntawm cov khoom siv textiles thiab automotive Cheebtsam mus rau cov khoom siv hluav taws xob thiab ntim khoom, Nylon6 tseem yog cov khoom tseem ceeb uas pab txhawb kev nce qib hauv kev siv tshuab, kev nplij siab, thiab kev ua haujlwm.

3.1. Textiles thiab Apparel

Nylon 6 yog siv dav hauv kev lag luam textile thiab khaub ncaws. Nws yog feem ntau pom nyob rau hauv kev tsim cov khaub ncaws, hosiery, lingerie, thiab sportswear. Cov ntaub ua los ntawm Nylon-6 fibers paub txog nws cov elasticity zoo heev, ua kom tsis muaj zog, thiab ya raws cov khoom, ua rau nws zoo tagnrho rau activewear thiab sab nraum zoov iav.

3.2. Automotive Cheebtsam

Vim nws lub zog siab thiab kub tsis kam, Nylon-6 tau siv dav hauv kev lag luam tsheb. Nws yog feem ntau ua haujlwm nyob rau hauv kev tsim cov cav npog, roj tso tsheb hlau luam, cua nkag manifolds, iav, bearings, thiab ntau yam khoom siv. Nylon6 lub teeb yuag ua rau kev txhim kho roj efficiency thaum tswj kev ua haujlwm zoo.

3.3. Cov khoom siv hluav taws xob thiab hluav taws xob

Nylon 6 yog cov khoom siv insulating zoo heev thiab siv dav hauv kev lag luam hluav taws xob thiab hluav taws xob. Nws yog siv los tsim cov kab hluav taws xob hluav taws xob, cov khoom sib txuas, cov keyboards, qhov (socket), thiab cov hluav taws xob hluav taws xob. Cov khoom muaj peev xwm tiv taus qhov kub thiab txias thiab nws cov khoom siv hluav taws xob ua rau nws haum rau cov ntawv thov no.

3.4. Kev ntim khoom thiab cov khoom siv

Nylon 6's toughness thiab barrier zog ua rau nws nyiam cov khoom siv rau ntim. Nws yog feem ntau siv rau kev tsim cov yeeb yaj kiab, cov ntawv txheeb, thiab cov thawv ntim khoom, suav nrog lub raj mis, hub, thiab ntim khoom noj. Nylon6 qhov kev tiv thaiv rau kev cuam tshuam, noo noo, thiab tshuaj xyuas kom muaj kev tiv thaiv thiab khaws cia cov khoom.

3.5. Cov ntawv thov kev lag luam

Nylon 6 pom kev siv dav hauv ntau daim ntawv thov kev lag luam. Nws yog siv nyob rau hauv zus tau tej cov conveyor siv, hoses, gaskets, seals, thiab bearings vim nws zoo heev hnav tsis kam, tsis tshua muaj kev sib txhuam coefficient, thiab nws tus kheej-lubricating zog. Tsis tas li ntawd, Nylon6 lub peev xwm los nqus cov vibrations ua rau nws tsim nyog rau kev tsim khoom siv tshuab thiab cov khoom siv.

 

Txog Peb

 

Luoyang Dema Ntshuam & Export Co., Ltd. aims muab cov khoom zoo, nqi-zoo rau lub ntiaj teb no factories, yas khoom manufacturers, thiab cov khoom distributors. Luoyang Dema Ntshuam & Export Co., Ltd. muab qhov zoo tshaj plaws PP, PE, PVC, AVE, thiab ABS cov kev daws teeb meem rau cov khoom yas manufacturers, wholesalers, distributors, distributors, Hoobkas tswv, kev cob qhia, thiab lwm yam.

 

Yog tias koj tab tom nrhiav cov ntaub ntawv yas dav dav, thov koj xav tias dawb tau txais cov nqi tshiab thiab cov lus hais los ntawm Luoyang Dema Import & Export Co., Ltd. Pab pawg muag khoom yuav teb rau hauv 48 teev.