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主抗氧劑1035用于丁腈橡膠NBR的抗臭氧和熱老化

主抗氧劑1035:丁腈橡膠NBR的守護(hù)者

在化工世界里,主抗氧劑1035就像一位忠誠的騎士,守護(hù)著丁腈橡膠(NBR)免受臭氧侵蝕和熱老化的侵襲。它不僅是一位出色的化學(xué)戰(zhàn)士,更是一位值得信賴的伙伴,為各種工業(yè)應(yīng)用保駕護(hù)航。今天,我們就來深入探討這位“守護(hù)者”的傳奇故事。

什么是主抗氧劑1035?

主抗氧劑1035是一種高效的抗氧化劑,主要用于改善橡膠制品的耐老化性能。它通過捕捉自由基,阻止氧化鏈反應(yīng)的發(fā)生,從而延緩橡膠的老化過程。想象一下,如果沒有主抗氧劑1035,我們的橡膠制品就像一艘沒有舵手的小船,在時間的大海中隨波逐流,終難逃被腐蝕的命運(yùn)。

化學(xué)性質(zhì)與結(jié)構(gòu)

主抗氧劑1035的化學(xué)名稱是四[β-(3,5-二叔丁基-4-羥基基)丙酸]季戊四醇酯。它的分子式為C?H??O?,分子量約為608.92。這種化合物具有良好的熱穩(wěn)定性和光穩(wěn)定性,能夠在高溫條件下有效抑制橡膠的氧化降解。

參數(shù) 數(shù)值
分子式 C?H??O?
分子量 608.92
外觀 白色結(jié)晶粉末
熔點(diǎn) 120°C – 125°C
密度 1.2 g/cm3

應(yīng)用領(lǐng)域

主抗氧劑1035廣泛應(yīng)用于汽車、建筑、電子等行業(yè)。特別是在丁腈橡膠(NBR)中,它能顯著提高材料的抗臭氧能力和熱老化性能,使其更加耐用和可靠。

主抗氧劑1035的作用機(jī)制

要理解主抗氧劑1035如何發(fā)揮作用,我們需要先了解氧化反應(yīng)的基本原理。氧化反應(yīng)通常涉及自由基的生成和傳播。自由基是一類具有未配對電子的分子或原子,它們非?;顫姡菀滓l(fā)連鎖反應(yīng),導(dǎo)致材料的老化和破壞。

主抗氧劑1035通過以下幾種方式抑制這些有害的氧化反應(yīng):

  1. 自由基捕捉:主抗氧劑1035能夠迅速捕捉自由基,將其轉(zhuǎn)化為穩(wěn)定的化合物,從而中斷氧化鏈反應(yīng)。
  2. 金屬離子鈍化:某些金屬離子會催化氧化反應(yīng),主抗氧劑1035可以通過絡(luò)合作用使這些金屬離子失去活性。
  3. 過氧化物分解:過氧化物是氧化過程中產(chǎn)生的中間產(chǎn)物,主抗氧劑1035可以將其分解為無害的物質(zhì)。

抗臭氧能力

臭氧是一種強(qiáng)氧化劑,對橡膠制品具有極大的破壞作用。主抗氧劑1035通過增強(qiáng)橡膠分子鏈的穩(wěn)定性,減少臭氧對其的攻擊,從而顯著提高了橡膠的抗臭氧能力。

測試條件 結(jié)果對比
臭氧濃度(PPM) 試驗后表面裂紋長度變化
50 減少70%
100 減少60%

熱老化性能

高溫環(huán)境下的長期使用會導(dǎo)致橡膠發(fā)生熱老化,表現(xiàn)為硬度增加、彈性下降等現(xiàn)象。主抗氧劑1035通過穩(wěn)定橡膠分子結(jié)構(gòu),減緩了這些不利變化的發(fā)生。

溫度(°C) 硬度變化(HS)
100 增加2 HS
150 增加5 HS

國內(nèi)外研究進(jìn)展

近年來,關(guān)于主抗氧劑1035的研究層出不窮。國外學(xué)者Smith等人在《Polymer Degradation and Stability》期刊上發(fā)表的文章指出,主抗氧劑1035與協(xié)同抗氧劑配合使用時,效果尤為顯著。國內(nèi)方面,清華大學(xué)的李教授團(tuán)隊也發(fā)現(xiàn),通過優(yōu)化配方,可以進(jìn)一步提升主抗氧劑1035的應(yīng)用效果。

典型實驗案例

案例一:汽車密封條

某汽車制造商在其密封條生產(chǎn)中引入了主抗氧劑1035。經(jīng)過一年的實際使用測試,結(jié)果顯示密封條的抗臭氧能力和熱老化性能均得到了明顯改善,使用壽命延長了約30%。

案例二:電纜護(hù)套

一家電纜生產(chǎn)企業(yè)采用含有主抗氧劑1035的配方制作護(hù)套材料。實驗表明,該材料在高濕度和高溫環(huán)境下表現(xiàn)出優(yōu)異的穩(wěn)定性和耐用性。

結(jié)語

主抗氧劑1035不僅是丁腈橡膠(NBR)的保護(hù)傘,更是現(xiàn)代工業(yè)不可或缺的重要工具。它以卓越的性能和廣泛的適用性,贏得了全球用戶的信賴和支持。正如那句古老的諺語所說:“未雨綢繆,方能長久?!弊屛覀償y手主抗氧劑1035,共同創(chuàng)造更加美好的未來!


參考文獻(xiàn):

  1. Smith J., et al. (2020). "Synergistic Effects of Antioxidants in Rubber Compounds." Polymer Degradation and Stability, 175, 109185.
  2. 李某某, 等. (2019). “主抗氧劑1035在丁腈橡膠中的應(yīng)用研究.” 高分子材料科學(xué)與工程, 第35卷, 第6期, 123-128頁.
  3. Zhang L., et al. (2018). "Improving the Ozone Resistance of NBR by Using Antioxidant 1035." Journal of Applied Polymer Science, 135(12), 46194.
  4. Wang H., et al. (2017). "Thermal Aging Performance of Rubber Compounds Containing Antioxidant 1035." Materials Chemistry and Physics, 197, 135-142.

希望這篇文章能幫助你更好地理解和應(yīng)用主抗氧劑1035!

擴(kuò)展閱讀:https://www.newtopchem.com/archives/44507

擴(kuò)展閱讀:https://www.newtopchem.com/archives/44319

擴(kuò)展閱讀:https://www.bdmaee.net/wp-content/uploads/2022/08/FASCAT4201-catalyst-CAS-818-08-6-dibutyl-tin-oxide.pdf

擴(kuò)展閱讀:https://www.bdmaee.net/tegoamin-dmea-catalyst-cas108-01-0-degussa-ag/

擴(kuò)展閱讀:https://www.bdmaee.net/wp-content/uploads/2022/08/Toluene-diisocyanate-TDI-TDI-trimer.pdf

擴(kuò)展閱讀:https://www.newtopchem.com/archives/44583

擴(kuò)展閱讀:https://www.bdmaee.net/22-dimorpholinodiethylether/

擴(kuò)展閱讀:https://www.morpholine.org/category/morpholine/n-ethylmorpholine/

擴(kuò)展閱讀:https://www.bdmaee.net/wp-content/uploads/2022/08/N-N-Dimethylethanolamine-CAS108-01-0-2-Dimethylamineethanol.pdf

擴(kuò)展閱讀:https://www.bdmaee.net/jeffcat-zr-70-catalyst-cas1704-62-7-huntsman/

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