Thermally stable biuret and isocyanurate based surface modifying macromolecules and uses thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08F-283/00
C08F-283/06
C08F-283/12
C08G-018/42
C08G-018/48
C08G-018/61
C08G-018/30
C08G-018/79
출원번호
US-0323427
(2011-12-12)
등록번호
US-8318867
(2012-11-27)
발명자
/ 주소
Mullick, Sanjoy
Chang, Weilun
Piotrowicz, Alexandra
Ho, Jeannette
Witmeyer, Richard
출원인 / 주소
Interface Biologics, Inc.
대리인 / 주소
Clark & Elbing LLP
인용정보
피인용 횟수 :
8인용 특허 :
25
초록▼
The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repe
The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.
대표청구항▼
1. An admixture comprising a base polymer selected from polypropylene and polyurethanes admixed with a surface modifier having a structure according to wherein(i) A is a soft segment selected from poly(diethylene glycol)adipate (PEGA), polytetramethylene oxide (PTMO), poly(ethyleneglycol)-block-poly
1. An admixture comprising a base polymer selected from polypropylene and polyurethanes admixed with a surface modifier having a structure according to wherein(i) A is a soft segment selected from poly(diethylene glycol)adipate (PEGA), polytetramethylene oxide (PTMO), poly(ethyleneglycol)-block-poly(propyleneglycol))- block-poly(ethylene glycol), or polydimethylsiloxane block copolymer (C22);(ii) B is a hard segment comprising a urethane trimer or biuret trimer formed from hexamethylene diisocyanate (HDI) biuret trimer, isophorone diisocyanate (IPDI) trimer, or hexamethylene diisocyanate (HDI) trimer, and B′, when present, is a hard segment comprising a urethane; and(iii) each G is a surface active group comprising polyfluoroalkyls;wherein n is an integer from 0 to 10; and wherein (i) said surface modifier has a thermal degradation temperature of at least 200° C.; and (ii) said admixture is formed by mixing said surface modifier with said base polymer to form a mixture and annealing said mixture; and wherein when the base polymer is polypropylene, A is a soft segment selected from polymethylsiloxane block copolymer (C22) and poly(ethyleneglycol)-block-poly(propyleneglycol)-block-poly(ethyleneglycol). 2. The admixture of claim 1, wherein said surface active group is selected from the group consisting of radicals of the general formula CHmF(3-m)(CF2)rCH2CH2— and CHmF(3-m)(CF2)s(CH2CH2O)χ—, wherein m is 0, 1, 2, or 3;χ is an integer between 1-10;r is an integer between 2-20; ands is an integer between 1-20. 3. The admixture of claim 2, wherein m is 0 or 1. 4. The admixture of claim 1, wherein each surface active group is selected, independently, from (CF3)(CF2)5CH2CH2O—, (CF3) (CF2)7CH2CH2O—, CHF2(CF2)3CH2O—, and (CF3)(CF2)2CH2O—. 5. The admixture of claim 1, wherein said surface modifier has a theoretical molecular weight of less than 10,000 Daltons. 6. The admixture of claim 1, wherein A is poly(tetramethylene oxide) (PTMO). 7. The admixture of claim 1, wherein A is polydimethylsiloxane block copolymer. 8. The admixture of claim 7, wherein n is 0, and B is formed from hexamethylene diisocyanate (HDI) biuret trimer. 9. The admixture of claim 1, wherein A is formed from poly(ethyleneglycol)-block-poly(propyleneglycol))-block-poly(ethylene glycol). 10. The admixture of claim 9, wherein n is 0, and B is formed from isophorone diisocyanate (IPDI) trimer. 11. The admixture of claim 1, wherein A is poly(diethylene glycol)adipate (PEGA). 12. The admixture of claim 11, wherein n is 0, and B is formed from isophorone diisocyanate (IPDI) trimer. 13. The admixture of claim 1, wherein said base polymer is selected from polypropylene. 14. The admixture of claim 1, wherein said base polymer is selected from, polyurethanes. 15. The admixture of claim 1, wherein said admixture is melt processed prior to annealing. 16. An article comprising the admixture of claim 1. 17. The article of claim 16, wherein said article is a filter, film, fiber, sheet, or an implantable medical device. 18. The article of claim 17, wherein said implantable medical device is a cardiac-assist device, a catheter, a stent, a prosthetic implant, an artificial sphincter, or a drug delivery device. 19. The article of claim 16, wherein the base polymer is polypropylene. 20. The article of claim 16, wherein said article is a hollow fiber membrane. 21. The article of claim 16, wherein said article is a filter. 22. The article of claim 16, wherein said article is a tube. 23. The article of claim 16, wherein said article is a conduit. 24. The article of claim 16, wherein said article is formed from an admixture that is melt-processed. 25. The article of claim 24, wherein said admixture is molded, melt blown, melt spun, or melt extruded. 26. The article of claim 16, wherein the base polymer is selected from polyurethanes. 27. The admixture of claim 1, wherein n is 0, A is poly(tetramethylene oxide)(PTMO), B is formed from hexamethylene diisocyanate (HDI) biuret trimer, and said base polymer is a polyurethane. 28. The admixture of claim 1, wherein n is 0, A is polydimethylsiloxane block copolymer, B is formed from hexamethylene diisocyanate (HDI) biuret trimer, and said base polymer is polypropylene.
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