Glass fiber reinforced polypropylene resin composition and molded article comprising the same
Disclosed are a polypropylene resin composition and a molded article including the same. The polypropylene resin composition may include a polypropylene resin, glass fiber, a non-halogen flame retardant, a compatibilizer, and sodium salt ionomer such that the resin composition may provide substantially improved mechanical properties such as tensile strength, impact strength, and flexural modulus, and excellent flame retardancy and flame retardant stability over time.
1 . A polypropylene resin composition, comprising:
a polypropylene resin;
a glass fiber;
a non-halogen flame retardant;
a compatibilizer comprising a modified polypropylene grafted with maleic anhydride; and
a compound comprising a sodium salt,
wherein the polypropylene resin composition comprises:
an amount of 30 to 70 wt % of the polypropylene resin,
an amount of 10 to 40 wt % of the glass fiber,
an amount of 10 to 40 wt % of the non-halogen flame retardant,
an amount of 1 to 5 wt % of the compatibilizer, and
an amount of 0.1 to 5 wt % of the compound comprising a sodium salt,
all the wt % based on the total composition,
wherein compound comprising a sodium salt comprises a 5-hydroxydecanoate sodium salt.
2 . The polypropylene resin composition of claim 1 , wherein the polypropylene resin comprises a propylene homopolymer.
3 . The polypropylene resin composition of claim 1 , wherein the polypropylene resin has a melt index of 10 to 100 g/10 min (230° C., 2.16 kg).
4 . The polypropylene resin composition of claim 1 , wherein the glass fiber has a cross-sectional diameter of 5 to 15 μm.
5 . The polypropylene resin composition of claim 1 , wherein the non-halogen flame retardant comprises one or more selected from the group consisting of triphenyl phosphate, trimethyl phosphate, triethyl phosphate, bisphenol diphenyl phosphate, ammonium polyphosphate, melamine polyphosphate, melamine pyrophosphate, melamine ammonium phosphate, piperazine polyphosphate, xylenyl diphenyl phosphate, aromatic polyphosphate, magnesium oxide, zinc oxide, and aluminum oxide.
6 . The polypropylene resin composition of claim 1 , wherein the compatibilizer is grafted with 5 to 10 wt % of maleic anhydride based on the total weight of the compatibilizer.
7 . A molded article comprising the polypropylene resin composition of claim 1 .
8 . The molded article of claim 7 , wherein the molded article has a flame retardant grade of level V-O when measured according to UL94.
9 . The molded article of claim 7 , wherein the molded article has an impact strength of 7.6 to 8.2 KJ/m2 when measured according to ISO 180.
10 . A vehicle comprising the polypropylene resin composition of claim 1 .
11 . A vehicle comprising the molded article of claim 7 .