Thermoplastic resin composition and formed article formed by using thermoplastic resin composition
Provided is a sheet not generating feeding failure in a device having a heat setting process even when a large amount of an inorganic filler is included and a thermoplastic resin composition for forming the sheet. The thermoplastic resin composition may include at least a thermoplastic resin and an inorganic filler, in which the thermoplastic resin includes polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2.
1. A thermoplastic resin composition comprising:
at least a thermoplastic resin; and an inorganic filler,
the thermoplastic resin comprising polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2,
wherein a blend ratio of the thermoplastic resin to the inorganic filler in the thermoplastic resin composition is 50:50 to 10:90 in a mass ratio.
2. The thermoplastic resin composition according to claim 1 , wherein
the polypropylene having a long chain branching structure (A) has a long chain branching structure in which an isotactic triad fraction (mm) measured by 13 C-NMR is 90% or more.
3. The thermoplastic resin composition according to claim 1 , wherein
the polypropylene having a long chain branching structure (A) is propylene having a long chain branching structure having a melt flow rate (230° C.) of 1.0 g/10 minutes to 3.0 g/10 minutes and a melt tension (230° C.) of 5 g to 30 g.
4. The thermoplastic resin composition according to claim 1 , wherein
the polypropylene having no long chain branching structure (B) is polypropylene having a melt flow rate (230° C.) of 0.3 g/10 minutes to 50 g/10 minutes.
5. The thermoplastic resin composition according to claim 1 , wherein
the inorganic filler has an average particle diameter of 0.1 μm or more and 50.0 μm or less.
6. A thermoplastic resin composition comprising:
at least a thermoplastic resin; and an inorganic filler,
the thermoplastic resin comprising polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2,
wherein the inorganic filler is heavy calcium carbonate.
7. A thermoplastic resin composition comprising:
at least a thermoplastic resin; and an inorganic filler,
the thermoplastic resin comprising polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2,
wherein a blend ratio of the thermoplastic resin to the inorganic filler in the thermoplastic resin composition is 50:50 to 10:90 in a mass ratio, and
wherein the thermoplastic composition further comprises a foaming agent.
8. A formed article made of the thermoplastic composition comprising:
at least a thermoplastic resin; and an inorganic filler,
the thermoplastic resin comprising polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2,
wherein a blend ratio of the thermoplastic resin to the inorganic filler in the thermoplastic resin composition is 50:50 to 10:90 in a mass ratio, and
wherein the formed article is a foam body.
9. A formed article made of the thermoplastic composition comprising:
at least a thermoplastic resin; and an inorganic filler,
the thermoplastic resin comprising polypropylene having no long chain branch (B) and polypropylene having a long chain branching structure (A) in a mass ratio of 80:20 to 98:2,
wherein a blend ratio of the thermoplastic resin to the inorganic filler in the thermoplastic resin composition is 50:50 to 10:90 in a mass ratio, and
wherein the formed article is a foam sheet.
10. The formed article according to claim 8 , wherein
the formed article has a thickness of 50 μm or more and 700 μm or less.
11. The formed article according to claim 8 , wherein the formed article is a sheet.
12. The formed article according to claim 8 , wherein the formed article is a container body.