Reclaimed pet resin composition, molded article thereof, and flame-retardant resin composition and molded article thereof

• US 6,344,508 B1
• Filed: 09/14/2000
• Issued: 02/05/2002
• Est. Priority Date: 11/20/1998
• Status: Expired due to Fees

• Current Assignee: Daicel Chemical Industries Limited (Daicel Corporation)
• Original Assignee: Daicel Chemical Industries Limited (Daicel Corporation)
• Inventors: Okumura, Koichi, Endo, Shunichi, Miho, Takuya, Ochiai, Genichiro, Mizutani, Yoshinobu
• Primary Examiner(s): SANDERS, KRIELLION ANTIONETTE
• Application Number:
  US09/600,565
• Time in Patent Office: 509 Days
• Field of Search: 524/313, 524/464, 524/539, 525/437
• US Class Current: 524/313
• CPC Class Codes: C08K 3/2279 of antimony
• CPC Class Codes: C08K 5/0066 Flame-proofing or flame-retarding additives
• CPC Class Codes: C08K 5/103 with polyalcohols
• CPC Class Codes: C08L 101/00 Compositions of unspecified macromolecular compounds
• CPC Class Codes: C08L 2201/02 Flame or fire retardant/resistant
• CPC Class Codes: C08L 2205/03 containing three or more polymers in a blend
• CPC Class Codes: C08L 23/02 not modified by chemical after-treatment
• CPC Class Codes: C08L 23/10 Homopolymers or copolymers of propene
• CPC Class Codes: C08L 23/12 Polypropene
• CPC Class Codes: C08L 25/06 Polystyrene
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 2666/06 Homopolymers or copolymers of unsaturated hydrocarbons; Derivatives thereof
• CPC Class Codes: C08L 2666/18 Polyesters or polycarbonates according to C08L67/00 - C08L69/00; Derivatives thereof
• CPC Class Codes: C08L 2666/20 Macromolecular compounds having nitrogen in the main chain according to C08L75/00 - C08L79/00; Derivatives thereof
• CPC Class Codes: C08L 55/02 ABS [Acrylonitrile-Butadiene-Styrene] polymers
• CPC Class Codes: C08L 67/00 Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain of polyester-amides C08L77/12; of polyester-imides C08L79/08; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 67/02 Polyesters derived from dicarboxylic acids and dihydroxy compounds C08L67/06 takes precedence
• CPC Class Codes: C08L 67/04 Polyesters derived from hydroxycarboxylic acids, e.g. lactones C08L67/06 takes precedence
• CPC Class Codes: C08L 69/00 Compositions of polycarbonates; Compositions of derivatives of polycarbonates
• CPC Class Codes: C08L 71/12 Polyphenylene oxides
• CPC Class Codes: C08L 77/00 : Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08; Compositions of derivatives of such polymers

Abstract

In the present invention, the No. I invention relates to a regenerated PET resin composition which comprises formulating 0.5-100 part by weight of a lactone polymer (B) with 100 parts by weight of a regenerated PET resin (A), in which there is improved a molding processability such as an injection moldability and extruding molding, and relates to a molded article therefrom and, the No. II invention relates to a flame retardant resin composition containing a thermoplastic resin (E) and a flame retardant (F), in which bleeding of the flame retardant is suppressed without a decline of a flame retardancy, and relates to a molded article therefrom.

Claims

1. A regenerated PET resin composition which comprises 100 parts by weight of a regenerated PET resin (A) and 0.5-100 parts by weight of a lactone polymer (B).

2. A regenerated PET resin composition as claimed in claim 1, wherein it further contains a polyolefin resin (C).

3. A regenerated PET resin composition as claimed in claim 1 or 2, wherein it further contains other additives (D) which are an inorganic compound or an organic compound.

4. A regenerated resin molded article formed by molding the regenerated PET resin composition as claimed in claims 1 or 2.

5. A flame retardant resin composition comprising 100 parts by weight of a thermoplastic resin (E) and 0.5-100 parts by weight of a flame retardant (F) in which 1-200 parts by weight of a mixture composed of a polyester resin (G) and an ester compound (H) of a polyglycerine or glycerine with a higher fatty acid is formulated with 100 parts by weight of a flame retardant (F).

6. A flame retardant resin composition as claimed in claim 5, wherein it contains an additive (I) composed of at least any one of an inorganic compound, an organic compound, or other additives for resins.

7. A flame retardant resin composition as claimed in claim 5 or 6, wherein a mixing weight ratio is (G):

(H)=85-99.5;

0.5-15 (total of both weight ratio is

     100) in a mixture composed of the polyester resin (G) and the ester compound (H) of a polyglycerine or glycerine with a higher fatty acid.

8. A flame retardant resin composition as claimed in claim 7, wherein said flame retardant (F) is at least any one kind of a bromine-based flame retardant, a chlorine-based flame retardant, a phosphorus-based flame retardant, a phosphate-based flame retardant, a polyphosphoric acid-based flame retardant, a nitrogen compound-based flame retardant, or an inorganic-based flame retardant.

9. A flame retardant resin composition as claimed in claim 8, wherein said polyester resin (G) is an automatic or aliphatic polyester resin.

10. A flame retardant resin composition as claimed in claim 9, wherein said aliphatic polyester resin is a lactone polymer (B).

11. A flame retardant resin composition as claimed in claim 10, wherein said ester compound (H) is at least any one of a monoglyceride, diglyceride, triglyceride, a diglycerine fatty acid ester, a triglycerine fatty acid ester, a tetraglycerine fatty acid ester, a pentaglycerine fatty acid ester, a hexaglycerine fatty acid ester and a deglycerine fatty acid ester.

12. A flame retardant resin molded article formed by molding the flame retardant resin compositions as claimed in claims 5 or 11.

13. A flame retardant resin composition comprising 100 parts by weight of a thermoplastic resin (E) and 0.5-100 parts by weight of a flame retardant, wherein 1-200 parts by weight of a polyester resin (G) is formulated with 100 parts by weight of the flame retardant (F).

14. A flame retardant resin composition as claimed in claim 13 which comprises formulating an additive (I) composed of at least any one of inorganic or organic compound, or other additives for resins.

15. A flame retardant resin composition as claimed in claim 13 or 14, wherein said flame retardant (F) is at least any one kind of a bromine-based flame retardant, a chlorine-based flame retardant, a phosphorus-based flame retardant, a phosphate-based flame retardant, a polyphosphoric acid-based flame retardant, a nitrogen compound-based flame retardant, or an inorganic-based flame retardant.

16. A flame retardant resin composition as claimed in claim 13 or 14, wherein said polyester resin (G) is an aromatic or aliphatic polyester resin.

17. A flame retardant resin composition as claimed in claim 16, wherein said aliphatic polyester resin is a lactone polymer (B).

18. A flame retardant resin molded article formed by molding the flame retardant resin composition as claimed in claims 13 or 14.

31. A flame retardant resin composition as claimed in claim 13, wherein 17-100 parts by weight of a polyester resin (G) is formulated with 100 parts by weight of the flame retardant (F).

32. A flame retardant resin composition as claimed in claim 31, wherein said flame retardant (F) is at least any one kind of a bromine-based flame retardant, a chlorine-based flame retardant, a phosphorous-based flame retardant, a phosphate-based flame retardant, a polyphosphoric acid-based flame retardant, wherein said polyester resin (G) is a lactone polymer (B).

19. A flame retardant polyolefin resin composition comprising 1-30 parts by weight of a polyester resin (G) formulated with 100 parts by weight of a resin composition composed of 100 parts by weight of a polyolefin resin (P) and 0.2-40 parts by weight of a halogen-based flame retardant (FD).

20. A flame retardant polyolefin resin composition as claimed in claim 19, wherein it further contains other additives (I) composed of at least any one of inorganic or organic compound, or other additives for resins.

21. A flame retardant polylefin resin composition as claimed in claim 19, wherein said halogen-based flame retardant (FD) is a halogen-containing organic compound.

22. A flame retardant polylefin resin composition as claimed in claim 21, wherein said halogen-containing organic compound is a halogen-containing phosphate.

23. A flame retardant polyolefin resin composition as claimed in claim 19, wherein said polyester resin (G) is an aromatic or aliphatic polyester resin.

24. A flame retardant polyolefin resin composition as claimed in claim 23, wherein said aliphatic polyester resin is a lactone polymer (B).

25. A flame retardant resin molded article formed by molding the flame retardant polyolefin resin composition as claimed in any one of claims 19-24.

33. A flame retardant polyolefin resin composition as claimed in claim 19 comprising 2-10 parts by weight of a polyester resin (G) formulated with 100 parts by weight of a resin composition composed of 100 parts by weight of a polyolefin resin (P) and 3-19 parts by weight of halogen-based flame retardant (FD).

26. A flame retardant resin composition comprising 100 parts by weight of a thermoplastic resin (E) and 0.2-40 parts by weight of a flame retardant (F) characterized by formulating 0.5-50 parts by weight of an ester compound (H) of a polyglycerine or glycerine with a higher fatty acid based on 100 parts by weight of a flame retardant (F).

27. A flame retardant resin composition as claimed in claim 26, wherein there is formulated an additive (I) consisting of at least one inorganic compound, organic compound, or other additives for resins.

28. A flame retardant resin composition as claimed in claim 26 or 27, wherein said flame retardant (F) is at least any one kind of a bromine-based flame retardant, a chlorine-based flame retardant, a phosphorus-based flame retardant, a phosphate-based flame retardant, a polyphosphoric acid-based flame retardant, a nitrogen compound-based flame retardant, or an inorganic-based flame retardant.

29. A flame retardant resin composition as claimed in claims 26 or 27, wherein said ester compound (H) of a polyglycerine or glycerine with a higher fatty acid is at least any one of a monoglyceride, diglyceride, triglyceride, a diglycerine fatty acid ester, a triglycerine fatty acid ester, a tetraglycerine fatty acid ester, a pentaglycerine fatty acid ester, a hexaglycerine fatty acid ester, and a decaglycerine fatty acid ester.

30. A flame retardant resin composition as claimed in claim 26, wherein there is formulated an additive (I) consisting of at least one inorganic compound, organic compound, or other additives for resins.