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Light halogen-free flame-retardant reinforced polyamide composition and preparation method thereof
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A polyamide composition and polyamide technology, applied in the field of lightweight halogen-free flame-retardant reinforced polyamide composition and its preparation, can solve the problems of many defects and poor performance
Active Publication Date: 2018-07-03
CATHAY R&D CENT CO LTD +2
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[0011] In order to overcome the problems that light polymer materials in the prior art are difficult to meet the existing requirements for light weight, poor performance and many defects, the present invention provides a new type of light-weight non-halogen flame-retardant reinforced polyamide composition and its composite Material preparation method
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[0095] The preparation method of light-weight halogen-free flame-retardant reinforced polyamide 56 resin:
[0096] (1) Disperse 50g of coupling agent KH-550 in 150g of ethanol-water (mass ratio 1:1), and then evenly spray the mixed solution on the surface of hollow glass microspheres under high-speed stirring, so that the coupling agent can be evenly coated Cover hollow glass microspheres; the sp...
[0125] See Example 1 for sample preparation and testing procedures. See Table 1 for relevant test results.
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Abstract
The invention discloses a light halogen-free flame-retardant reinforced polyamide composition and a preparation method thereof. The polyamide composition comprises the components in parts by weight: 25-65 parts of polyamide resin, 5-15 parts of a flame retardant, 1-5 parts of a flame retardant synergist, 20-40 parts of alkali-free glass fiber, 5-27 parts of modified hollow inorganic powder and 1-10 parts of a compatibilizer, wherein the polyamide resin comprises polyamide 5X resin. The polyamide composition improves the mechanical property, the heat resistance, the flame retardance and the like of a composition material on the premise of reducing the density of the polyamide composite material. The components and the contents thereof play an inseparable role in density improvement of the light halogen-free flame-retardant reinforced polyamide and enhancement of mechanical property. The light halogen-free flame-retardant reinforced polyamide composition endows the polyamide composite material with novel performances and can be used in the fields of automobile instrument panels, building decoration, electronic and electrical apparatuses and the like.
Description
technical field [0001] The invention relates to a lightweight halogen-free flame-retardant reinforced polyamide composition and a preparation method thereof. Background technique [0002] Polyamide refers to a polymer with amide-based repeating units in the polymer chain, which has good comprehensive properties, such as: high strength and toughness, high heat resistance, wear resistance, chemical resistance, and self-lubrication , self-extinguishing, easy processing and other characteristics, it is one of the main polymer materials to realize the concept of "replacing steel with plastic". Since the 1950s, a series of polyamide engineering plastics with more excellent properties have been developed through polymer modification methods, and the application fields have been continuously expanded. [0003] Polyamide modification is a hot research topic nowadays. Obtaining a new material with special properties through modification is a relatively low-cost, simple and direct me...
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