描述

PPS改性材料

所有先进工程塑料中最广泛的耐化学品性

比PPS改进的尺寸稳定性和热性能

保持强度在425ºF以上

对蒸汽、强碱、燃料惰性，酸

最小吸水率

优良的电绝缘体

极低的线性热膨胀系数

聚苯硫醚改性材料

产品详情

聚苯硫醚改性材料

尽管目前全球对聚苯硫醚的需求低于上述五种通用工程塑料，但其150℃以上的耐热性使其成为金属和热固性树脂的替代品。它被用于廉价的通用工程塑料和昂贵的特种工程塑料中，将探索另一个独特的应用市场。需求正在稳步增长。未来的需求可能与五大通用工程塑料保持同步

从聚苯硫醚的化学结构来看，硫原子和苯环交替排列的结构使分子具有完全的化学惰性，并且容易积聚成具有更高热稳定性的晶体结构。换句话说，聚苯硫醚具有良好的综合平衡性：包括耐高温、耐化学性、易成型性、低收缩性、高尺寸稳定性和优异的电气性能。然而，PPS纯树脂使用较少，一般采用纤维填充或其他填充改性，以克服PPS纯树脂的脆性。由于其低粘度和高流动性，PPS即使在玻璃纤维等填料达到60%时也具有良好的可模塑性。升级后的PPS可以根据客户的产品要求达到各种规格，产品成本可以调整。目前，各大聚苯硫醚生产厂家主要采用玻璃纤维改性填料，其中40%的含量是最常见的

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刘凯蒂

PPS Modified Materials

Broadest resistance to chemicals of all advanced engineering plastics
Improved dimensional stability and thermal performance over PPS
Maintains strength above 425º F
Inert to steam, strong bases, fuels, and acids
Minimal water absorption
Excellent electrical insulator
Very low coefficient of linear thermal expansion

PPS Modified Materials

Product Details

PPS modified materials

Although the current global demand for PPS is lower than the aforementioned five general-purpose engineering plastics, its heat resistance above 150°C has positioned it as a substitute for metals and thermosetting resins. It is used in cheap general-purpose engineering plastics and expensive special Among the engineering plastics, another unique application market will be explored. The demand is growing steadily. The future demand may keep pace with the five major general-purpose engineering plastics.

From the perspective of the chemical structure of PPS, the structure in which the sulfur atoms and the benzene ring are arranged alternately and neatly endows the molecule with complete inertness to chemistry and is easy to accumulate into a crystal structure with higher thermal stability. In other words, PPS has a good comprehensive balance: including high temperature resistance, chemical resistance, easy molding, low shrinkage, high dimensional stability and excellent electrical properties. However, PPS pure resin is less used, generally fiber filling or other filling modification, so as to overcome the fragility of PPS pure resin. Because of its low viscosity and high fluidity, PPS has good moldability even when the filler such as glass fiber reaches 60%. The upgraded PPS can reach various specifications according to the customer’s product requirements, and the cost of the product can be adjusted. At present, the major PPS manufacturers mainly use glass fiber modified filling, and the content of 40% is the most common.

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Kitty Liu< ###>