Self-curing polyphenylene ether resin composition and preparation method for heavy-duty anti-corrosion coatings
A polyphenylene ether resin, self-curing technology, applied in anti-corrosion coatings, polyether coatings, coatings, etc., to achieve excellent boiling water resistance and physical and mechanical properties, excellent physical and mechanical properties, outstanding effects of seawater resistance
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Embodiment 1
[0018] Add 100 parts of polyphenylene ether resin (low molecular weight double-terminated hydroxyl polyphenylene ether resin, NORYL SA90 resin, SABIC Innovative Plastics Co., Ltd., molecular weight 1800g / mol, hydroxyl equivalent 840 g / mol, the same below) to 100 parts of toluene , prepare a polyphenylene ether resin solution; under magnetic stirring, add 10 parts of bis(acetylacetonate) diisopropyl titanate dropwise to the above polyphenylene ether solution; Dibutyltin acid, at 30 o C temperature for 0.5h, after cooling at room temperature, the self-curing polyphenylene ether resin can be obtained.
[0019] Described low molecular weight two-terminal hydroxyl polyphenylene ether resin, its structural formula is:
[0020] .
Embodiment 2
[0022] Add 100 parts of polyphenylene ether resin to 200 parts of xylene to prepare a polyphenylene ether resin solution; under magnetic stirring, add 20 parts of diisopropyl di(acetylacetonate) titanate dropwise to the above polyphenylene ether solution; After the dropwise addition, add 1.2 parts of dibutyltin dilaurate dropwise, at 50 o C for 1 h, and after cooling at room temperature, a self-curing polyphenylene ether resin can be obtained.
Embodiment 3
[0024] Add 120 parts of polyphenylene ether resin to 400 parts of xylene to prepare a polyphenylene ether resin solution; under magnetic stirring, add 60 parts of bis(ethyl acetoacetate) diisopropyl titanate dropwise to the above polyphenylene ether solution ; After the dropwise addition, add 1.2 parts of dibutyltin dilaurate dropwise, at 90 o C for 3 hours, and after cooling at room temperature, a self-curing polyphenylene ether resin can be obtained.
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