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當前位置：特種工程塑料 >> 新聞中心 >> 耐熱ABS耐熱度不夠是什麽原因！

耐熱ABS耐熱度不夠是什麽原因！

作者：jml 发布日期：2018-11-14 10:16:50 浏覽人數：

導讀：ABS耐熱性能不夠好

耐熱ABS耐熱度不夠是什麽原因！

ABS耐热性能不够好，限制了其使用范围。现在，通过添加α-甲基苯乙烯共聚物和N-苯基马来酰亚胺共聚物等耐热剂的方法，开发了一系列耐热ABS树脂，其热变形温度（HDT）可以从90℃到120℃。例如锦湖日丽的双易（ECONOMIC&EASY）系列耐热ABS树脂，包括ABSHU630、ABSHU670和ABSHU670E，它们能够满足95~109℃不同程度的耐热需求，可广泛应用于微波炉、电饭煲、电暖气及电吹风等小家电；同时，还有更高耐热的650M、HGX4300等系列产品，可以满足109℃-120℃的耐热需求，广泛应用于汽车、家电、机电等行业。

由于耐热ABS的分子结构中含有高刚性的苯环和N-苯基基团，在提高材料耐热性的同时，也增加了分子链的空间位阻效应，使分子链的松弛速度降低，易使制品存在较大的内应力，从而导致制品应力开裂、应力发白、产品发脆等缺陷。因此，降低制品内应力，是耐热ABS注塑成型的关键。

"耐熱ABS耐熱度不夠是什麽原因！"由“PC/ABS工程塑料”供應商-佳茂隆塑膠整理發布，如需轉載請注明來源及出處，原文地址：http://www.jyplas.com/news/322.htm

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Frank asked how the Japanese performed the ceremony of beheading, and whether it was very frequent. ICHI-BOO. ICHI-BOO. I stiffened up as though I heard a thief picking the lock of my lawful treasure. She threw me, side wise, a bantering smile and then a more winsome glance, but I refused to see either. I burned with so many feelings at once that I could no more have told them than I could have raised a tune. "Don't you like him?" she asked, and tried to be very arch. "Stop that noise! Gholson, hold the horses. Come. Lieutenant, come Smith, maybe he's killed himself, but it seems too good to be true. Here, girl, go cram what you can get into a pillow-case, and mount behind my saddle again; be quick, we're going to burn this hornet's nest too." Harry and I had already run to the old man's room, and, sure enough, there lay the aged assassin hideous in his fallen bulk, with his own bullet in his brain. It was for this reason, perhaps, that the action of the Clockwork man was all the more noticeable. To this day, not one of the persons present is certain as to whether or not this eccentric individual actually did laugh; but everybody is sure that such was his intention. There issued from his mouth, without a moment's warning, a series of harsh, metallic explosions, loud enough to be heard all over the ground. One compared the noise to the ringing of bells hopelessly cracked and out of tune. Others described it as being similar to[Pg 30] the sound produced by some person passing a stick swiftly across an iron railing. There was that suggestion of rattling, of the impingement of one hard thing against another, or the clapping together of steel plates. It was a horrible, discordant sound, brassy and resonant, varied between the louder outbursts by a sort of whirring and humming. Those who ventured to look at the Clockwork man's face during this extraordinary performance said that there was little change of expression. His mouth had opened slightly, but the laugh, if indeed it could be described as anything but a lugubrious travesty of human mirth, seemed to proceed from far down within him. And then the hideous clamour stopped as abruptly as it began. The Clockwork man had not altered his position during the proceedings; but Arthur Withers, who was watching him with feverish intensity from the pavilion, fancied that his ears flapped twice just after the noise had subsided. By the time that Maitrank had bowed with humility over the hand of his hostess the following evening nearly all fashionable London had gathered in those spacious suites of rooms. The decorations were superb, unique; there was no better music to be obtained in Europe. Folk were talking with bated breath of the great chef who had come from Paris to superintend his supper. 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