| abstract |
(57) [Summary] [Purpose] A polypropylene resin composition for fibers which exhibits excellent effects in all of weather resistance, NO x gas pollution resistance, thermal stability, processing stability, water resistance, etc. and is practically satisfactory. Offer of. [Structure] The polypropylene-based resin composition for fibers of the present invention comprises 100 parts by weight of polypropylene-based resin for fibers, (A) 0.01 to 10 parts by weight of a bis (alkylphenyl) pentaerythritol diphosphite compound represented by the general formula (I) of the following chemical formula 1 and (b) 0.005 to 10 parts by weight of a hindered amine light stabilizer. Parts are added. [Chemical 1] (In the formula, R 1 and R 2 each represent a hydrogen atom or an alkyl group having 1 to 9 carbon atoms.) |