Method for testing content of nano material in nano modified fiber-grade polyphenylene sulfide resin slice

Abstract

The invention discloses a method for testing the content of a nano material in a nano modified fiber-grade polyphenylene sulfide resin slice. The method comprises the following steps: putting a first container, a second container and a third container into a vacuum drying oven for drying, taking the containers out of the vacuum drying oven, and weighing the containers; weighing non-modified polyphenylene sulfide resin serving as a first material, putting the polyphenylene sulfide resin into the first container, weighing the nano material-containing modified polyphenylene sulfide resin slice serving as a second material, putting the slice into the second container, weighing the nano material serving as a third material, and putting the nano material into the third container; putting the first, second and third containers with the first, second and third materials into the vacuum drying oven for drying, taking the containers out of the vacuum drying oven, and respectively weighing the containers; putting the containers into an asher, and under gradient heating of the asher, obtaining first and second ash substances and a retenate of the third material; weighing the first ash substance together with the first container, weighing the second ash substance together with the second container, weighing the retenate together with the third container, and carrying out calculation to obtain the content of the nano material. The method is easy and convenient to operate, and guarantees the test accuracy.

Description

technical field [0001] The invention belongs to the technical field of additive testing in polymer materials, and in particular relates to a method for testing the content of nanomaterials in nano-modified fiber-grade polyphenylene sulfide resin slices. Background technique [0002] The English full name of the aforementioned polyphenylene sulfide is: Polyphenylene Sulfide (referred to as PPS). Polyphenylene sulfide fiber was first successfully developed by the American Philips (Philip) Petroleum Company. The company realized the industrial production of PPS resin in 1973, developed fiber-grade PPS resin in 1979, and industrialized PPS short fiber in 1983. , Japan's Toyobo, Toray, Teijin and Germany's Bayer have also developed and produced polyphenylene sulfide fibers. [0003] Polyphenylene sulfide can be made into filaments and staple fibers. Because of its good textile processing performance, excellent chemical resistance, thermal stability, high temperature resistance (...

AI Technical Summary

Problems solved by technology

However, since polyphenylene sulfide cannot be dissolved by organic or inorganic solvents, conventional dissolution tests are powerless

with other methods such as x-rays Derived Due to the need to rely on expensive instruments and professional analytical technicians, the method of spectral analysis is unaffordable for fiber manufacturers with a wide range of fields and large quantities.

At present, the actual content is usually determined by calculating the amount added, but due to the light weight of the nanomaterial used, it is easy to float during the modification and addition process, resulting in a large difference between the theoretical addition amount and the actual content sex