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Research of Synthetic Organic Fluorine Modified Acrylic Resin and Coating

Author: XuLiMin
Tutor: ChenMeiLing
School: Dalian Jiaotong University
Course: Materials Processing Engineering
Keywords: Antifouling paints Organic fluorine-modified acrylic resin Nano-silica The thickness of the resin-coated
CLC: TQ637.2
Type: Master's thesis
Year: 2010
Downloads: 331
Quote: 0
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Abstract


The ship is the main marine transport . Perennial ship sailing in the ocean due to the adhesion of marine organisms produce bio-fouling , causing huge economic losses . Therefore, some method must be used to combat marine life on the ship 's defaced antifouling coatings is the most effective way to smear in the bottom of the boat . Gradually improve , with the requirements of environmental protection is particularly important to the development of new environmentally friendly antifouling paints . In this study, the low surface energy antifouling paint as research objective, and with an organic fluorine-modified acrylic resin and a nano-modified low surface energy antifouling paint the antifouling paint has been studied . Of solvent , triggering agent, fluorine monomer , hard and soft monomer ratio of the resin synthesis process on the properties of the resin , the infrared detector on the synthetic organic fluorine-modified acrylic resin , molecular weight test , and the contact angle measurement the test instrument, such as of conventional resin coating performance , modified resin formulations and optimal synthesis process : hard and soft monomer ratio 1.08, G04 monomer content accounted for 16.7% of the total monomer , solvent ratio alcohol-based solvent A 15 % : the aromatic solvent A 60 % : the ester solvent A 25 % , using long- monomer synthetic process of the organic fluoride was added dropwise . Antifouling paint on the resin film forming materials prepared a screening of the preparation process , and nano-silica , carbon nanotube powder coatings modified by the detection of the paint film properties as well as coated observation of the film surface , to determine the CPVC value of the coating in the present study is approximately 0.3117 , this point is a resin coating formulation , 44 parts , 13 parts of pigments and fillers , nano silica 7 parts , 36 parts of the solvent , additives appropriate; most of the coating Jia preparation process : the ultrasonic separation nano SiO215min , Add pigments and fillers, solvents, high-speed dispersion 30min , added to the resin , and low-speed dispersion 30min grinding 30min . The study also conducted a resin coated pigments and fillers related calculated discussed the addition of nano pigments and fillers to build micro and nano structure of the contact angle of the coating film obtained with the hierarchical structure of the micro - nano coating surface contact the angle is much higher than a single structure surface contact angle the excellent performance coatings resin coated pigments and fillers thickness L = 0.01688μm ; nanoscale pigments and fillers amount of 7.246% ; the the paint surface energy minimum 1.0374mN / m .

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CLC: > Industrial Technology > Chemical Industry > Paint Industry > Special paints > Marine Coatings
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