Resin composition and resin molded product
View Patent ↗There is provided a resin composition including: a crosslinked polymer compound having a crosslinked structure formed by reaction of a carboxyl group of aliphatic polyester having at least a carboxyl group at an end of polymer chain with a hydroxyl group of a lignophenol derivative having at least a hydroxyl group, a glass fiber, and condensed phosphate ester.
1. A resin composition comprising:
a crosslinked polymer compound having a crosslinked structure formed by reaction of (a) a carboxyl group of aliphatic polyester having at least a carboxyl group at an end of polymer chain with (b) a hydroxyl group of a lignophenol derivative having at least a hydroxyl group and a ratio of a weight average molecular weight to a number average molecular weight of from 3 to 10,
a glass fiber, and
condensed phosphate ester.
2. The resin composition according to claim 1 ,
wherein in the crosslinked polymer compound, a mass ratio of a content of a component derived from the lignophenol derivative to a content of a component derived from aliphatic polyester is from 0.1% by mass to 1% by mass.
3. The resin composition according to claim 1 , further comprising:
aluminum hydroxide.
4. The resin composition according to claim 1 ,
wherein the lignophenol derivative is represented by formula (1):
wherein
each of X 1 , X 2 and X 3 independently represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted arylene group, a hydroxyl group, a carboxyl group, an amino group or an amide group,
each of a and c independently represents an integer of from 0 to 3, b represents an integer of from 0 to 4, and n represents an integer of from 5 to 20.
5. The resin composition according to claim 1 ,
wherein the lignophenol derivative is represented by one selected from the group consisting of Formula (2), Formula (3) and Formula (4):
wherein n1 represents an integer of from 5 to 20:
wherein n2 represents an integer of from 5 to 20:
wherein n3 represents an integer of from 5 to 20.
6. The resin composition according to claim 1 ,
wherein the condensed phosphate ester is present in an amount of from 5% by mass to 30% by mass based on a total amount of the resin composition.
7. A resin composition comprising:
a crosslinked polymer compound having a crosslinked structure formed by reaction of (a) a carboxyl group of aliphatic polyester having at least a carboxyl group at an end of polymer chain with (b) a hydroxyl group of a lignophenol derivative having at least a hydroxyl group,
a glass fiber,
condensed phosphate ester, and
aluminum hydroxide,
wherein the aluminum hydroxide is present in an amount of from 5% by mass to 30% by mass based on a total amount of the resin composition.
8. A resin composition comprising:
a crosslinked polymer compound having a crosslinked structure formed by reaction of (a) a carboxyl group of aliphatic polyester having at least a carboxyl group at an end of polymer chain with (b) a hydroxyl group of a lignophenol derivative having at least a hydroxyl group,
a glass fiber,
condensed phosphate ester, and
aluminum hydroxide,
wherein a mass ratio of the aluminum hydroxide and the condensed phosphate ester is from 6:1 to 1:1.
9. The resin composition according to claim 1 ,
wherein a fiber length of the glass fiber is from 0.1 mm to 6 mm, and
a fiber diameter of the glass fiber is 5 μm to 20 μm.
10. The resin composition according to claim 1 ,
wherein the glass fiber is present in an amount of from 7% by mass to 30% by mass based on a total amount of the resin composition.
11. A resin molded product comprising the resin composition according to claim 1 .
12. The resin molded product according to claim 11 ,
wherein in the crosslinked polymer compound, a mass ratio of a content of a component derived from the lignophenol derivative to a content of a component derived from aliphatic polyester is from 0.1% by mass to 1% by mass.
13. The resin molded product according to claim 11 , further comprising:
aluminum hydroxide.
14. The resin molded product according to claim 11 ,
wherein the condensed phosphate ester is present in an amount of from 1 part by mass to 30 parts by mass with respect to 100 parts by mass of the resin molded product.
15. The resin molded product according to claim 11 ,
wherein the condensed phosphate ester is present an amount of from 5% by mass to 30% by mass based on a total amount of the resin composition.
16. The resin molded product according to claim 13 ,
wherein the aluminum hydroxide is present in an amount of from 5% by mass to 30% by mass based on a total amount of the resin composition.
17. The resin molded product according to claim 13 ,
wherein a mass ratio of the aluminum hydroxide and the condensed phosphate ester is from 6:1 to 1:1.
18. A resin molded product comprising the resin composition according to claim 7 .
19. A resin molded product comprising the resin composition according to claim 8 .