Hydrolysis and alcoholysis-resisting reinforced nylon material and preparation method thereof
A reinforcing material and hydrolysis-resistant technology are applied in the field of hydrolysis-alcoholysis-resistant reinforced nylon materials and their preparation, which can solve the problems of unfavorable industrialized production, high price and high production cost, and achieve improved hydrolysis-alcoholysis resistance and excellent processing temperature resistance. sexual effect
Active Publication Date: 2017-10-27
BENSONG ENG PLASTICS HANGZHOU
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Benefits of technology
This patented technology describes how certain chemical substances like amines or acids used on plastic products help keep them from cracking over time when exposed to harsh environments. These protective agents work well even if they don't completely stop their growth but some may still break down slowly under specific conditions. By adding these types of antioxidants into this type of composition called nylons, we found better protection against damage caused by various factors including heat, moisture, solvents, etc., while maintain good handling characteristics. Overall, our new design improves durability and performance compared to existing ones.
Problems solved by technology
This patented describes various methods for improving the durability and efficiency of vehicle body component design. These include adding specific types of chemical substances like aluminum hydride (AlH) and ammonia gas generators (NGM), modifying their structure through coating techniques such as thermal spray coatings, laser sintered powders, hot presses, etc., and forming films from these modifications without causing damage. Additionally, reducing the thickness of certain layers in the auto-engine safety standards requires increasing the refractory metal content within each layer, making it challenging due to factors including higher temperatures involved. To address this issue, introducing specialized additants may help maintain the desired characteristics even when processed under extreme conditions.
Method used
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Embodiment 1-9 and comparative example 1-6
[0060] Examples 1-9 and Comparative Examples 1-6: Preparation of hydrolysis and alcoholysis-resistant reinforced nylon materials
[0061] According to the material ratio in Table 1, add nylon resin, some reinforcing materials, anti-degradation agents, and processing aids to the mixer and mix them, then add them to the extruder from the main feeding port, and add the remaining reinforcing materials to the extruder from the side feeding port machine; after melt blending, cooling, air-drying and granulation, it is obtained; injection molding test samples were carried out at 275 ° C and 310 ° C injection molding temperatures, and the performance tests are shown in Table 2 and Table 3, respectively.
[0062] Table 1 embodiment 1~9 and comparative example 1~6 prepare the concrete proportioning ratio of each component of nylon material
[0063]
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Abstract
The invention discloses a hydrolysis and alcoholysis-resisting reinforced nylon material. The hydrolysis and alcoholysis-resisting reinforced nylon material is prepared from the following raw materials of nylon resin, a reinforced material and an anti-degradation assistant, wherein the anti-degradation assistant is prepared from N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,3-phthalic diamide benzendicarboxamide and an anti-aging agent through compounding; the nylon resin is selected from at least one of PA66, PA610 and PA612. According to the hydrolysis and alcoholysis-resisting reinforced nylon material provided by the invention, a compounded anti-degradation assistant system is adopted, so that hydrolysis and alcoholysis resistance of a composite material can be increased; meanwhile, excellent processing temperature resistance is obtained, and the hydrolysis and alcoholysis-resisting reinforced nylon material is particularly suitable for carrying out injection molding processing on large-scale pieces such as an automobile radiator cooling water tank, a thermostat, an intercooler and the like.
Description
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