Preparation method of compound additive for polycarbonate modification
A technology of composite additives and polycarbonate, which is applied in the field of preparation of composite additives in polycarbonate modification, can solve the problems of insufficient hydrolysis stability, poor scratch resistance, and UV resistance, etc. Achieve high use value, prolong service life and improve surface performance
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Embodiment 1
[0023] Embodiment one: preparation compound auxiliary agent: with the antioxidant of mass fraction 46 parts, the auxiliary antioxidant of mass fraction 46 parts, the ultraviolet absorber of mass fraction 6 parts and the fluorescent whitening agent of mass fraction 2 parts in high mixing The machine is fully mixed and stirred evenly, each component is granulated, and the obtained granules are sieved to obtain a composite additive for polycarbonate modification. See attached table 1 for the improvement of polycarbonate performance by the composite additive.
Embodiment 2
[0024] Embodiment two: preparation compound auxiliary agent: with the antioxidant of 40 parts of mass fractions, the auxiliary antioxidant of 40 parts of mass fractions, the ultraviolet absorber of 15 parts of mass fractions, the fluorescent whitening agent of 5 parts of mass fractions in high mixing The machine is fully mixed and stirred evenly, each component is granulated, and the obtained granules are sieved to obtain a composite additive for polycarbonate modification. See attached table 1 for the improvement of polycarbonate performance by the composite additive.
Embodiment 3
[0025] Embodiment three: preparation compound auxiliary agent: with the antioxidant of 44 parts of mass fractions, the auxiliary antioxidant of 44 parts of mass fractions, the ultraviolet absorber of 10 parts of mass fractions, the fluorescent whitening agent of 2 parts of mass fractions in high mixing The machine is fully mixed and stirred evenly, each component is granulated, and the obtained granules are sieved to obtain a composite additive for polycarbonate modification. See attached table 1 for the improvement of polycarbonate performance by the composite additive.
[0026] Schedule 1
[0027]
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