[미국특허]
POLYOLEFIN COMPOSITION WITH POLY(PHENYLENE ETHER) FILLER AND ARTICLE THEREOF
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
C08L-023/12
C08L-023/06
출원번호
US-0132684
(2013-12-18)
공개번호
US-0166777
(2015-06-18)
발명자
/ 주소
Levasalmi, Juha-Matti
Balfour, Kim G.
출원인 / 주소
, SABIC INNOVATIVE PLASTICS IP B.V.
인용정보
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초록▼
Polyolefin compositions having improved properties comprise oligomeric poly(phenylene ether) as an organic filler. The composition comprises specific amounts of polyolefin, oligomeric poly(phenylene ether), and optionally a compatibilizer. The polyolefin can be a polyethylene homopolymer, an ethylen
Polyolefin compositions having improved properties comprise oligomeric poly(phenylene ether) as an organic filler. The composition comprises specific amounts of polyolefin, oligomeric poly(phenylene ether), and optionally a compatibilizer. The polyolefin can be a polyethylene homopolymer, an ethylene-containing copolymer, a polypropylene homopolymer, a polypropylene-containing copolymer, or a combination thereof. The oligomeric poly(phenylene ether) can be monofunctional or bifunctional. The compositions can have increased flexural modulus, heat deformation resistance, and flame resistance, compared to compositions without the oligomeric poly(phenylene ether). A compatibilizer can partially restore elongation when high levels of oligomeric poly(phenylene ether) are present.
대표청구항▼
1. A composition comprising: 65 to 97.5 weight percent of a polyolefin;2.5 to 25 weight percent of an oligomeric poly(phenylene ether) having an intrinsic viscosity of 0.01 to 0.12 deciliters per gram, as measured in chloroform at 25° C., and a weight average molecular weight of 1,200 to 8,000 atomi
1. A composition comprising: 65 to 97.5 weight percent of a polyolefin;2.5 to 25 weight percent of an oligomeric poly(phenylene ether) having an intrinsic viscosity of 0.01 to 0.12 deciliters per gram, as measured in chloroform at 25° C., and a weight average molecular weight of 1,200 to 8,000 atomic mass units, as measured by gel permeation chromatography; and0 to 10 weight percent of a compatibilizer;wherein all weight percents are based on the combined weight of the polyolefin, the poly(phenylene ether), and the compatibilizer. 2. (canceled) 3. The composition of claim 1, wherein the oligomeric poly(phenylene ether) comprises poly(2,6-dimethyl-4-phenylene ether). 4. The composition of claim 1, wherein the oligomeric poly(phenylene ether) comprises a bifunctional poly(phenylene ether) having the structure wherein each occurrence of Q1 and Q2 is independently selected from the group consisting of halogen, unsubstituted or substituted C1-C12 primary or secondary hydrocarbyl, C1-C12 hydrocarbylthio, C1-C12 hydrocarbyloxy, and C2-C12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms; each occurrence of Q3 and Q4 is independently selected from the group consisting of hydrogen, halogen, unsubstituted or substituted C1-C12 primary or secondary hydrocarbyl, C1-C12 hydrocarbylthio, C1-C12 hydrocarbyloxy, and C2-C12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms; x and y are independently 0 to 30, provided that the sum of x and y is at least 2; andL has the structure wherein each occurrence of R1, R2, R3, and R4 is independently selected from the group consisting of hydrogen, halogen, unsubstituted or substituted C1-C12 hydrocarbyl provided that the hydrocarbyl group is not tertiary hydrocarbyl, C1-C12 hydrocarbylthio, C1-C12 hydrocarbyloxy, and C2-C12 halohydrocarbyloxy wherein at least two carbon atoms separate the halogen and oxygen atoms; z is 0 or 1; and Y has a structure selected from the group consisting of wherein each occurrence of R5 is independently selected from the group consisting of hydrogen and C1-C12 hydrocarbyl, and each occurrence of R6 and R7 is independently selected from the group consisting of hydrogen, C1-C12 hydrocarbyl, and C1-C6 hydrocarbylene wherein R6 and R7 collectively form a C4-C12 alkylene group. 5. The composition of claim 1, wherein the poly(phenylene ether) comprises a bifunctional poly(phenylene ether) having the structure wherein each occurrence of Q5 and Q6 is independently methyl, di-n-butylaminomethyl, or morpholinomethyl; and each occurrence of a and b is independently 0 to 20, with the proviso that the sum of a and b is at least 2. 6. The composition of claim 1, wherein the polyolefin comprises a polyethylene homopolymer, an ethylene-containing copolymer, a polypropylene homopolymer, a polypropylene-containing copolymer, or a combination thereof. 7. The composition of claim 1, wherein the polyolefin comprises a polyethylene homopolymer, an ethylene-containing copolymer, or a combination thereof. 8. The composition of claim 1, wherein the polyolefin comprises low density polyethylene, very low density polyethylene, linear low density polyethylene, medium density polyethylene, high density polyethylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, or a combination thereof. 9. The composition of claim 1, wherein the polyolefin comprises a polyethylene homopolymer. 10. The composition of claim 1, wherein the polyolefin comprises low density polyethylene, medium density polyethylene, high density polyethylene, or a combination thereof. 11. The composition of claim 1, wherein the oligomeric poly(phenylene ether) comprises a bifunctional poly(phenylene ether) having the structure wherein each occurrence of Q5 and Q6 is independently methyl, di-n-butylaminomethyl, or morpholinomethyl; and each occurrence of a and b is independently 0 to 20, with the proviso that the sum of a and b is at least 2; andthe polyolefin comprises polyethylene homopolymer. 12. The composition of claim 1, comprising a continuous phase comprising the polyolefin, and a disperse phase comprising the oligomeric poly(phenylene ether). 13. The composition of claim 1, comprising 0 to less than 0.5 weight percent of the compatibilizer, wherein the compatibilizer comprises a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a non-hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, or a combination thereof. 14. The composition of claim 1, comprising 0.5 to 10 weight percent of the compatibilizer, wherein the compatibilizer comprises a hydrogenated, partially hydrogenated, or non-hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, or a combination thereof. 15. The composition of claim 1, comprising 0.5 to 10 weight percent of the compatibilizer, wherein the compatibilizer comprises a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer (SEBS), a polystyrene-poly(ethylene-propylene)-polystyrene triblock copolymer (SEPS), a polystyrene-poly(ethylene-ethylene/propylene)-polystyrene triblock copolymer, a polystyrene-poly(butadiene-styrene)-polystyrene triblock copolymer, a polystyrene-polyisoprene-polystyrene triblock copolymer, a polystyrene-polybutadiene-polystyrene triblock copolymer (SBS), a polystyrene-polyisoprene-polystyrene triblock copolymer (SIS), a polystyrene-polybutadiene diblock copolymer (SB), a polystyrene-polyisoprene diblock copolymer (SI), or a combination thereof. 16. The composition of claim 1, comprising 0.5 to 10 weight percent of the compatibilizer, based on the total weight of the composition, wherein the compatibilizer comprises a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer comprising 20 to 60 weight percent polystyrene, based on the weight of the triblock copolymer, and having a weight average molecular weight of 50,000 to 100,000 atomic mass units, as measured by gel permeation chromatography. 17. The composition of claim 1, further comprising 0.02 to 1 weight percent, based on the total weight of the composition, of a polytetrafluoroethylene. 18. The composition of claim 1, further comprising 1 to 60 weight percent, based on the total weight of the composition, of a flame retardant. 19. The composition of claim 18, wherein the flame retardant comprises a metal hydroxide, a phosphoric acid salt, an organophosphate ester, a brominated organic compound, antimony trioxide, or a combination thereof. 20. The composition of claim 1, further comprising 5 to 50 weight percent, based on the total weight of the composition, of magnesium hydroxide, aluminum hydroxide, or a combination thereof. 21. A composition comprising: 65 to 97.5 weight percent of a polyolefin selected from low density polyethylene, medium density polyethylene, and a combination thereof;2.5 to 25 weight percent of an oligomeric poly(phenylene ether) having an intrinsic viscosity of 0.01 to 0.12 deciliters per gram, as measured in chloroform at 25° C., selected from a monofunctional poly(2,6-dimethyl-4-phenylene ether), a bifunctional poly(2,6-dimethyl-4-phenylene ether), and a combination thereof; and0 to 10 weight percent of a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer comprising 20 to 60 weight percent polystyrene content, based on the weight of the triblock copolymer, and having a weight average molecular weight of 50,000 to 100,000 atomic mass units, as measured by gel permeation chromatography;wherein all weight percents are based on the combined weight of the polyolefin, the poly(phenylene ether), and the polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer. 22. The composition of claim 21, comprising 0.5 to 10 weight percent of the polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer. 23. An article comprising the composition of claim 1.
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