描述

改性聚甲醛树脂聚甲醛塑料

1）聚甲醛20%玻璃纤维，具有优异的机械强度

2）POM 20%玻璃纤维，用于承载高硬度强度

3）POM 20%玻璃纤维，具有高耐磨性

4）轴承自润滑用POM 20%玻璃纤维

5）POM 20%玻璃纤维，用于承载更高的模量

6）POM 20%玻璃纤维，用于耐化学腐蚀等。

改性聚甲醛树脂聚甲醛塑料

产品细节

改性聚甲醛树脂聚甲醛塑料

聚甲醛性能改善

作为五大工程塑料，聚甲醛具有物理和化学性能，但也存在一些缺点，如聚甲醛的冲击韧性低、耐热性差、缺口敏感性高、摩擦系数高。目前，国内外研究机构和公司仍致力于对基础树脂进行改性，开发新牌号，拓展聚甲醛的应用领域。改性研究主要集中在以下几个方面

（1）通过合金化技术提高POM的抗冲击性。该方法通常是与既有橡胶弹性又有热塑性加工性能和综合性能的弹性体共混，以增加POM的刚度和韧性

（2）接枝共聚、填充、共混和其他方法用于增强材料的特定性能，同时保持POM各种性能的平衡。在这方面的研究中，经过一定的技术研究，开发出了许多新的品牌产品。例如，当聚甲醛用于汽车和其他工业部件时，通常要求所用材料具有高紫外线稳定性和耐候性

（3）通过改进成型工艺，可提高均聚甲醛的成型加工性和热稳定性，减少模具沉积。由于POM的热稳定性较差，加工过程中会产生一些气体。由于模具结构中没有用于精密成型和高精密成型的脱气口，POM的分解产物和添加剂往往会粘附在模具表面，污染产品，也就是说，出现了所谓的霉菌堆积。为了减少和减少积垢，各研究机构往往通过改善均聚甲醛的成型加工性能来提高其热稳定性

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Modified POM Resin POM Plastic

1)POM 20% Glass Fiber for Bearing Excellent mechanical strength;
2)POM 20% Glass Fiber for Bearing High hardness strength;
3)POM 20% Glass Fiber for Bearing High wear resistance;
4)POM 20% Glass Fiber for Bearing Self-lubrication;
5)POM 20% Glass Fiber for Bearing Higher modulus;
6)POM 20% Glass Fiber for Bearing Chemical resistance and etc.

Modified POM Resin POM Plastic

Product Details

Modified POM Resin POM Plastic

POM performance improvements

As the five major engineering plastics, POM has physical and chemical properties, but there are also some shortcomings, such as low impact toughness of POM, poor heat resistance, high notch sensitivity, and high friction coefficient. At present, domestic and foreign research institutions and companies are still committed to modifying the basic resin, and developing new grades to expand the application field of POM. The modification research mainly focuses on the following aspects.

( 1 ) Improve the impact resistance of POM by alloying technology. The method is generally to blend with elastomers that have both rubber elasticity and thermoplastic processability and comprehensive properties, so as to increase the rigidity and toughness of POM.

(2) Graft copolymerization, filling, blending and other means are used to strengthen the specific performance of the material while maintaining the balance of various properties of POM. For the research in this aspect, many new brand products have been developed after a certain technical research. For example, when POM is used in automobiles and other industrial parts, the materials used are often required to have high UV stability and weather resistance.

( 3 ) by improving the molding process , the molding processability and thermal stability of the homopolyoxymethylene can be enhanced and the mold deposition can be reduced Due to the poor thermal stability of POM, some gas will be generated during processing. Since there is no degassing port in the mold structure for precision molding and high-precision molding, the decomposition products and additives of POM tend to adhere to the surface of the mold, polluting the product. , that is, the so-called mold accumulation occurs. In order to reduce and reduce mold accumulation, various research institutions often improve the thermal stability of homopolyoxymethylene by improving its molding processability.

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