Non-degradable porous materials with high surface areas

Details Non-degradable porous materials with high surface areas Non-degradable porous materials with high surface areas

2005-12-27

2005-12-27

Foelak, Morton (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

Reexamination Certificate

active

06979700

ABSTRACT:
A method for preparing a highly porous, high surface area non-degradable material includes the steps of mixing a non-degradable polymer with a solvent or mixture of solvents; gelling the mixture; and treating the gel under conditions whereby a substantially solvent free porous structure is created having a porosity greater than about 80%. The resultant material is mechanically strong and has an architecture including at least one of nano fibrous, micro fibrous, non fibrous, complex porous structure with nano fibrous architecture, and mixtures thereof.

REFERENCES:
patent: 5541234 (1996-07-01), Unger et al.
patent: 6146892 (2000-11-01), Ma et al.
patent: 6281257 (2001-08-01), Ma et al.
Young, T.H., L.P. Cheng, D.J. Lin, L. Fane, and W.Y. Chuang,Mechanisms of PVDF membrane formation by immersion-precipitation in soft(1-octanol)and harsh(water)nonsolvents, Polymer, 1999, vol. 40, No. 19: pp. 5315-5323.
Meier-Haack, J., W. Lenk, S. Berwald, T. Rieser, and K. Lunkwitz,Influence of thermal treatment on the pervaporation separation properties of polyamide-6 membranes, Separation and Purification Technology, 2000, vol. 19, No. 3: pp. 199-207.
Zhang, R. and P.X. Ma,Synthetic nano-fibrillar extracellular matrices with predesigned macroporous architectures, J Biomed Mater Res, 2000, vol. 52, No. 2: pp. 430-438.
Zhang, R. and P.X. Ma,Processing of Polymer Scaffolds: Phase separation, Methods of Tissue Engineering, Chapter 62, pp. 715-724, 2002, Academic Press.
Ma, P.X. and R. Zhang,Synthetic nano-scale fibrous extracellular matrix, J Biomed Mater Res, 1999, vol. 46, No. 1: pp. 60-72.
Zhu, S. and P.X. Ma,Development of phase structure during the processing of poly(l-lactic acid)scaffolds for tissue engineering, Polymer Preprints, 2000, vol. 41, No. 2: pp. 1675-1676.
Ruiyun, Z. and P.X. Ma,Porous poly(L-lactic acid)/apatite composites created by biomimetic process, J Biomed Mater Res, 1999, vol. 45: pp. 285-293.
Ruiyun, Z. and P.X. Ma,Poly(α-hydroxyl acids)/hydroxyapatite porous composites for bone-tissue engineering. I. Preparation and morphology, J Biomed Mater Res, 1999, vol. 44: pp. 446-455.

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