Macrocyclic polyester oligomers and processes for polymerizing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/36
C08L-067/02
C08L-067/00
출원번호
US-0408753
(2003-04-07)
발명자
/ 주소
Winckler,Steven J.
Takekoshi,Tohru
출원인 / 주소
Cyclics Corporation
대리인 / 주소
Testa, Hurwitz &
인용정보
피인용 횟수 :
15인용 특허 :
102
초록▼
A water slurry process is used to prepare a prepreg and to manufacture articles from macrocyclic polyester oligomers. In one embodiment, a process for preparing a water suspension of macrocyclic polyester oligomers includes the steps of contacting a macrocyclic polyester oligomer and a polymerizatio
A water slurry process is used to prepare a prepreg and to manufacture articles from macrocyclic polyester oligomers. In one embodiment, a process for preparing a water suspension of macrocyclic polyester oligomers includes the steps of contacting a macrocyclic polyester oligomer and a polymerization catalyst with water and a surfactant, and mixing the macrocyclic polyester oligomer and polymerization catalyst with water and the surfactant thereby forming a suspension. In another embodiment, a process for impregnating macrocyclic polyester oligomers for polymerization includes the steps of providing a suspension of a macrocyclic polyester oligomer and a polymerization catalyst in water, applying the suspension to a base material, drying to remove water from the suspension, and pressing the dried suspension to a desired form. In yet another embodiment, a composition of macrocyclic polyester oligomer includes a macrocyclic polyester oligomer, a polymerization catalyst, and water. In yet another embodiment, a process for polymerizing macrocyclic polyester oligomers includes the steps of mixing a blend material having a macrocyclic polyester oligomer and a polymerization catalyst with water to form a mixture, applying the mixture to a base material, drying to remove water, heating to polymerize the macrocyclic polyester oligomer, and pressing the polymerized macrocyclic polyester oligomer to a desired form.
대표청구항▼
What is claimed is: 1. A process for preparing a suspension of a macrocyclic polyester oligomer and a polymerization catalyst in water, said process comprising the steps of: (a) contacting a macrocyclic polyester oligomer and a polymerization catalyst with water; and (b) mixing said macrocyclic po
What is claimed is: 1. A process for preparing a suspension of a macrocyclic polyester oligomer and a polymerization catalyst in water, said process comprising the steps of: (a) contacting a macrocyclic polyester oligomer and a polymerization catalyst with water; and (b) mixing said macrocyclic polyester oligomer and said polymerization catalyst with said water, thereby forming a suspension. 2. The process of claim 1 wherein said macrocyclic polyester oligomer and said polymerization catalyst are components of a blend material. 3. The process of claim 1 wherein step (a) comprises contacting said macrocyclic polyester oligomer, said polymerization catalyst, and said water with an organic solvent. 4. The process of claim 1, wherein at least one of step (a) and step (b) comprises milling said macrocyclic polyester oligomer and said polymerization catalyst in the presence of water. 5. The process of claim 1, wherein at least one of step (a) and step (b) comprises at least one of mechanical agitation, sonication, and circulation. 6. A process for impregnating macrocyclic polyester oligomers for polymerization, said process comprising the steps of: (a) providing a suspension of a macrocyclic polyester oligomer and a polymerization catalyst in water by performing the process of claim 1; (b) applying said suspension to a base material; (c) drying to remove water from said applied suspension; and (d) pressing said dried applied suspension to a desired form. 7. A suspension comprising: (a) a macrocyclic polyester oligomer; (b) a polymerization catalyst; and (c) water, the suspension being stable for at least about 24 hours. 8. The suspension of claim 7, wherein said macrocyclic polyester oligomer comprises a structural repeat unit of the formula wherein A is an alkylene, or a cycloalkylene or a mono-or polyoxyalkylene group, and B is a divalent aromatic or alicyclic group. 9. The suspension of claim 7, wherein said polymerization catalyst is a tin compound or a titanate compound. 10. A process for impregnating macrocyclic polyester oligomers for polymerization, said process comprising the steps of: (a) providing a suspension comprising a macrocyclic polyester oligomer, a polymerization catalyst, and water; (b) applying said suspension to a base material; and (c) removing said water from said applied suspension to form a dried applied suspension. 11. The process of claim 10, further comprising the step of: (d) pressing said dried applied suspension to a desired form. 12. The process of claim 11 wherein said pressing step comprises at least one of vacuum forming, rolling, double rolling, die molding, and extrusion. 13. The process of claim 10, wherein said base material is a preform. 14. The process of claim 10, wherein said base material is fibrous. 15. The process of claim 10, wherein step (c) comprises at least one of applying a vacuum on said applied suspension and heating said applied suspension. 16. The process of claim 10, further comprising the step of: (d) heating said dried applied suspension to at least partially polymerize said macrocyclic polyester oligomer. 17. A polyester polymer composite prepared from a process comprising the steps of claim 16. 18. An article of manufacture prepared from a process comprising the steps of claim 16.
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이 특허에 인용된 특허 (102)
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