BLENDS OF POLYAMIDE 1010 WITH UNGRAFTED AND MALEIC ANHYDRIDE GRAFTED HIGHIMPACT POLYSTYRENE

CHEN Guangxin; LIU Jingjiang

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BLENDS OF POLYAMIDE 1010 WITH UNGRAFTED AND MALEIC ANHYDRIDE GRAFTED HIGHIMPACT POLYSTYRENE

Research Article | 更新时间：2021-03-19

- BLENDS OF POLYAMIDE 1010 WITH UNGRAFTED AND MALEIC ANHYDRIDE GRAFTED HIGHIMPACT POLYSTYRENE
- Acta Polymerica Sinica Issue 5, Pages: 557-563(1999)
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- Published：20 October 1999，
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CHEN Guangxin, LIU Jingjiang. BLENDS OF POLYAMIDE 1010 WITH UNGRAFTED AND MALEIC ANHYDRIDE GRAFTED HIGHIMPACT POLYSTYRENE. [J]. Acta Polymerica Sinica (5):557-563(1999)
DOI：

CHEN Guangxin, LIU Jingjiang. BLENDS OF POLYAMIDE 1010 WITH UNGRAFTED AND MALEIC ANHYDRIDE GRAFTED HIGHIMPACT POLYSTYRENE. [J]. Acta Polymerica Sinica (5):557-563(1999) DOI：

摘要

研究了尼龙１０１０（ＰＡ１０１０）与高抗冲聚苯乙烯（ＨＩＰＳ）及马来酸酐官能化的ＨＩＰＳ（ＨＩＰＳ-ｇ-ＭＡ）间的相互作用

利用ＤＳＣ

ＤＭＡ

ＳＥＭ及拉伸测试等方法研究了不同组成比的共混物ＰＡ１０１０／ＨＩＰＳ与ＰＡ１０１０／ＨＩＰＳ-ｇ-ＭＡ的结晶、玻璃化转变、形态及力学性能．结果表明ＨＩＰＳ与ＰＡ１０１０虽然结构相差甚远

但两者之间仍存在着一定的相互作用；而ＨＩＰＳ-ｇ-ＭＡ可使ＰＡ１０１０的低温熔融峰变小

当ＨＩＰＳ-ｇ-ＭＡ的含量≤５０％时

随着其含量的增加

共混物中ＰＡ１０１０的结晶温度升高；当含量＞５０％时

ＰＡ１０１０发生分级结晶行为

其结晶温度由原来的１７８ ℃降至８３ ℃

同时ＨＩＰＳ-ｇ-ＭＡ与ＰＡ１０１０间的相互作用变大

ＤＭＡ谱上有明显的新的松驰峰．ＰＡ１０１０／ＨＩＰＳ-ｇ-ＭＡ共混体系的拉伸性能要优于相同组成的ＰＡ１０１０／ＨＩＰＳ体系．以上现象主要是由于ＨＩＰＳ-ｇ-ＭＡ与ＰＡ１０１０中的端胺基发生了化学反应

产生了接枝共聚物ＰＡ１０１０-ｇ-ＨＩＰＳ所致．

Abstract

The crystalliztation

dynamic mechanical properties

tensile properties andmorphology features of polyamidel 1010( PA1010) blends with the high impact polystyrere( HIPS) and maleic anhydride (MA) grafted HIPS(HIPS-g-MA) were examined at a widecomposition range . By comparison the PA1010/ HIPS-g-MA and PA1010/HIPS binaryblends

it wasfoundthatthe size ofthe domains of HIPS-g-M Awas much smallerthan thatof HIPS at the same compositions. It was found that the mechanical properties of PA1010/HIPS-g-MA blends were obviously higher than those of PA1010/HIPS blends. When the content of PA1010 is more than 50wt% in the blends

the crystallization temperatures

Tcs

of PA1010 increase with increasing the content of HIPS-g-MA. On the other hand

when the content of PA1010 in the blends is less than 35wt% the fraction crystallization is observed. The same result is not obtained for the blends of PA1010/HIPS. These behaviors could be attributed to the chemical interactions between the two components and good dispersion in PA1010/HIPS-g-MA blends.

关键词

PA1010HIPSHIPS-g-MA共混

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