Polymeric compositions and processes for providing weatherable film and sheet
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08L-051/04
C08L-051/00
출원번호
US-0844534
(2001-04-27)
우선권정보
EP-0401208 (2000-05-03)
발명자
/ 주소
Choulet, Olivier Jacques
출원인 / 주소
Rohm and Haas Company
대리인 / 주소
Hemenway, Carl P.
인용정보
피인용 횟수 :
16인용 특허 :
7
초록▼
The present invention discloses polymeric compositions containing a vinylaromatic lubricating copolymer which can be melt processed to provide plastic films or layers having excellent optical, printing, weathering, and tensile impact resistance characteristics. The present invention also discloses a
The present invention discloses polymeric compositions containing a vinylaromatic lubricating copolymer which can be melt processed to provide plastic films or layers having excellent optical, printing, weathering, and tensile impact resistance characteristics. The present invention also discloses a processes for preparing plastic films of the compositions of the present invention. The present invention also discloses composite articles having the plastic films of the present invention and an underlying substrate.
대표청구항▼
The present invention discloses polymeric compositions containing a vinylaromatic lubricating copolymer which can be melt processed to provide plastic films or layers having excellent optical, printing, weathering, and tensile impact resistance characteristics. The present invention also discloses a
The present invention discloses polymeric compositions containing a vinylaromatic lubricating copolymer which can be melt processed to provide plastic films or layers having excellent optical, printing, weathering, and tensile impact resistance characteristics. The present invention also discloses a processes for preparing plastic films of the compositions of the present invention. The present invention also discloses composite articles having the plastic films of the present invention and an underlying substrate. rboxylic acid of formula: CH2=CH--O--CO--R2 wherein R2is as defined above; and 4) Unsaturated carboxylic acids of formula: CH2=CH--(CH2)n--COOH wherein n is an integer in the range 0 to 10. 4. A polymer composition according to claim 3, wherein the comonomers (c) are selected from: ethylacrylate, n-butylacrylate, acrylic acid, hydroxyethylacrylate, hydroxypropylacrylate, (hydroxy)ethylhexylacrylate, acryl(N-alkyl)amide wherein alkyl is C1-C5; propylvinylether, cyclohexylvinylether, vinyl-4-hydroxybutylether; vinyl-acetate, vinylpropionate, vinyl-2-ethylhexanoate; and vinylacetic acid. 5. A polymer composition according to claim 1, wherein the PCTFE percentage in the blends of component I) is in the range of 1-75% by weight. 6. A polymer composition according to claim 5, wherein the PCTFE is a OTFE homopolymer. 7. A polymer composition according to claim 1, wherein the percentage by weight of the hydrogenated plasticizers of the total weight of the composition is in the range of 0.1-10%. 8. A polymer composition according to claim 1, wherein the fire-retardants of component II) are inorganic compounds and their percentage by weight is in the range 0.1-35% based on the total weight of the composition. 9. A polymer composition according to claim 8, wherein the fire-retardants are selected from inorganic phosphates, metal oxides, tin oxalates, boron compounds, and metal hydroxides. 10. A polymer composition according to claim 8, wherein the component II) is treated with dispersing agents. 11. A polymer composition according to claim 10, wherein the dispersing agent in monomeric or oligomeric form, has the following structure: (R3)4-mA(X)m wherein m=1-3; X is an hydrolyzable group; R3is an alkyl C1-C5and/or aryl radical C6-C15wherein the radical R3optionally contains: unsaturations; one or more heteroatoms selected from O, N, S, Cl; functional groups; and A is an atom selected from among Si, Ti or Zr. 12. A polymer composition according to claim 11, wherein the dispersing agents are selected from one or more of the following: vinyltriethoxysilane, 3-aminopropyl-triethoxysilane, 3-chloroisobutyltriethoxysilane, 3-mercaptopropyl-triethoxysilane, octyltriethoxysilane, and diisopropoxytitanium bis-acetylacetonate. 13. A polymer composition according to claim 1, wherein the amount of the crosslinking agent component III), expressed as percentage by weight, is in the range of 0.05-10.0%. 14. A polymer composition according to claim 13, wherein the crosslinking agent contains at least two double bonds. 15. A polymer composition according to claim 13, wherein said crosslinking agent is selected from the following: triallylisocyanurate (TAlC), triallyllcyanurate (TAO), diallyl-isophthalate, diallylterephthalate, phenylindene esters, triallylester of the aryl-polycarboxylic acid, and bis-olefins. 16. A polymer composition according to claim 1, wherein the amount of optional component IV) is in the range of 0-30.0% by weight based on the total weight of the composition. 17. A polymer composition according to claim 16, wherein the optional ingredients of component IV) are fillers, lubricants, pigments, intumescent agents, and thermal stabilizers. 18. A polymer composition according to claim 1, having an elastic modulus lower than 1,000 MPa determined according to ASTM D1708 at 23° C. 19. A manufactured article comprising the polymer composition according to claim 1. 20. The manufactured article according to claim 19 wherein the article is a flexible cable. 21. The polymer composition according to claim 2, wherein the fluoropolymers of component I) are formed of the following monomers: (a) ethylene from 35 to 55% by moles; (b) a fluorinated monomer selected from tetrafluoroethylene, chlorotrifluoroethylene, or mixtures thereof, in a per centage by moles in the range of 45-65%; and (c) from 1 to 15% by moles with respect to the total amount of (a)+(b), of a hydrogenated monomer of formula: CH2=CH--(CH2)n--R1 (I) wherein R1=--OR2,--(O)tCO (O)pR2wherein t and p are integers equal to 0 or 1, and R2is a hydrogenated radical from 1 to 20 carbon atoms, linear and/or branched, or cycloalkyl, C1-C20alkyl radical and wherein the R2radical optionally contains Cl, O, N heteroatoms; one or more functional groups selected from OH, COOH, epoxide, ester and ether; double bonds; and n is an integer in the range of 0 to 10. 22. The polymer composition according to claim 5, wherein the PCTFE percentage in the blends of component I) is in the range of 5-30% by weight. 23. The polymer composition according to claim 7 wherein the percentage by weight of the hydrogenated plasticizers of the total weight of the composition is in the range of 0.5-5%. 24. The polymer composition according to claim 8, wherein the fire-retardants of component II) are inorganic compounds and their percentage by weight is in the range of 0.5-15% based on the total weight of the composition. 25. The polymer composition according to claim 9 wherein the metal oxide is zinc oxide and the boron compound is zinc borate. 26. The polymer composition according to claim 11 wherein the dispersing agent in monomeric or oligomeric form, has the following structure: (R3)4-mA(X)m wherein m=2 or 3; X is an alkoxy group OR4wherein R4is a linear or branched alkyl radical C1-C5; and R3is an alkyl C1-C5and/or aryl radical C6-C15wherein the radical R3optionally contains amines, epoxide, --SH, --OH, --CONH2,carboxyl or salified carboxyl and A is as defined above. 27. The polymer composition according to claim 13, wherein the amount of the crosslinking agent component III) expressed as percentage by weight, is in the range of 0.1-5.0%. 28. The polymer composition according to claim 27, wherein the amount of the crosslinking agent component III), expressed as percentage by weight, is in the range of 0.5-2.0%. 29. The polymer composition according to claim 15, wherein said crosslinking agent is 1,6-divinylperfluorohexane. 30. The polymer composition according to claim 17, wherein the filler is polytetrafluoroethylene (PTFE).
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이 특허에 인용된 특허 (7)
Boyack, Robert M.; Cooke, Perry J.; Henshaw, Bruce C., Acrylic polymer emulsion.
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