ผลขององค์ประกอบหลักของสารเคลือบผิวอินทูเมสเซนต์ต่อสมบัติหน่วงไฟของผ้าฝ้าย / ดาววัน จาระเวชสาร = Effects of main components of intumescent coating on flame retardancy of cotton fabric / Daowan Charavechasan
The purpose of this research is to formulate the intumescent coating for flame reardancy improvement of cotton fabric by varying type and amount of main components. Before coating, the cotton fabric has been modified by cationic fixing agent. 'Burning behavior and flame spread rate of coated fabric before and after washing were then examined. Likewise, morphology, thermal properties using TGA technique and color chang of coated fabric werealso investigated. It is found that, before washing, all coated fabric exhibited better flame cetardancy than that of an uncoated fabric. The flame spread rate was too slow to be calculated and was immediatel self-extinguished after removing the ignition source. The length of a formed-carbonaceous char was very short. Meanwhile, after washing, most of the intumescent coating still provided coated fabric with good flame retardancy. However, the coating suing ammonium phosphate as an acid source and melamine formaldehyde as a shupmific compound provided coated fabric with inferior flame retardancy than that of the one using amomium polyphosphate and melamine powder. However, the flame retardancy of coated fabric with the coating using starch or pentaerythritol or dipentaerythritol as a carbon compound and ethylene-vinyl acetate copolymer or 100% acrylic emulsion as a binder were within the vicinity.