Advantages of Cytec resin

2021-11-19   Pageview:152

Cytec amino resin is suitable for use as a cross-linking agent in coil coatings.

No volatile solvents
Good stability
Good miscibility and solubility
Fast catalytic curing
Cost effective
Good flexibility with improved hardness.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The function of the free radical trapping agent is that the film-forming polymer compound is oxidized wax factory to produce peroxide when heated, and the peroxide is subjected to light to absorb high-energy light quantum and decompose into free radicals, and the free radicals further undergo auto-oxidative degradation reaction, Before initiating auto-oxidative degradation, it can accurately and effectively capture free radicals to generate stable molecular compounds. Representative varieties are piperidine compounds. The anti-yellowing additives of Hangzhou Zhongshun Chemical Industry and Trade Co., Ltd. can improve the weather resistance of the coating film.

Performance, help to eliminate the yellowing of the coating film, the dosage is 1% of the total formula, dispersed by the melt extrusion mixing method: the antioxidant dosage is 0.8% of the total formula, dispersed by the melt extrusion mixing method, peroxidation The decomposer is an auxiliary agent that effectively decomposes peroxides, avoids the generation of active free radicals, and stops further photodegradation reactions initiated by free radicals. Representative varieties are piperidine compounds, sulfide esters, and phosphorous (phosphonic) acids. Esters, etc. The role of ultraviolet absorbers is to selectively and strongly absorb ultraviolet rays, convert them into harmless heat or other low-energy radiation, consume and release energy, thereby metabolizing harmful ultraviolet energy and no longer destroying membrane-forming polymers The types of ultraviolet absorbers include o-hydroxybenzophenones, o-hydroxydiazoles, substituted internal nitriles, aromatic nitrites, oxanilides, triazines and formamidines.

After the o-hydroxybenzophenone compounds absorb ultraviolet rays, they effectively convert the molecular energy into low-energy radiation, so that the molecular bonds of the film-forming material are not damaged. Ortho-hydroxybenzotriazole compounds absorb ultraviolet light with a wavelength of 300~385nm, and convert the energy in the molecule into low-energy radiation, so that the molecular bonds of the film-forming material are not damaged. The characteristic of this additive is that it does not absorb visible light and has a light color. , High absorption coefficient, good light stability, and good compatibility. The substituted acrylonitrile compound only absorbs ultraviolet rays in the range of 310~320nm, and the absorption coefficient is low, and it has good chemical stability. It is compatible with various resins. It has good compatibility and can be used in fiber resins that are sensitive to short-wave ultraviolet rays.

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