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RESIN COMPOSITION FORMING CORROSION RESISTANT COATING, CORROSION RESISTANT RESIN COATING, METAL TUBE HAVING SAME COATING AND METAL CAN CONTAINER
RESIN COMPOSITION FORMING CORROSION RESISTANT COATING, CORROSION RESISTANT RESIN COATING, METAL TUBE HAVING SAME COATING AND METAL CAN CONTAINER
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机译:树脂成分形成耐腐蚀涂层,耐腐蚀树脂涂层,具有相同涂层的金属管和金属罐
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PROBLEM TO BE SOLVED: To obtain a resin composition forming a corrosion resistant coating having excellent acid-resistance and alkali-resistance by adding a phenol/ formaldehyde copolymer and a polyimide resin with a glycidyl epoxy resin.;SOLUTION: 100 pts.wt. of the first resin composition forming a corrosion resistant coating is obtained by blending 60-80 pts.wt., preferably 65-75 pts.wt., of a glycidyl ether epoxy resin having a viscosity (25°C) of 100-5,000 cPs and an epoxy equivalent of 150-450, 2-15 pts.wt., preferably 2-10 pts.wt., of a phenol/ formaldehyde copolymer and 18-30 pts.wt., preferably 20-30 pts.wt., of a melamine/formaldehyde resin. 100 pts.wt. of this first resin composition forming a rust-resisting-coating is blended with 5-20 pts.wt. preferably 7-16 pts.wt., of the second resin composition forming a corrosion resistant comprising 60-80 pts.wt., preferably 68-75 pts.wt., of a glycidyl ether epoxy resin and 20-40 pts.wt., preferably 23-38 pts.wt., of a polyimide resin.;COPYRIGHT: (C)2000,JPO
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