Polycaprolactam molecular composites

Details Polycaprolactam molecular composites Polycaprolactam molecular composites

1993-12-22

1996-02-13

Mullis, Jeffrey

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528322, 528323, C08G 6900, C08G 6948

Patent

active

054912008

ABSTRACT:
Polyimides serve as reinforcing rigid-backbone segments in nylon 6 copolymers. In a first embodiment, the copolymers are prepared from polyimides containing acylated caprolactam moieties pendant therefrom which provide sites for polycaprolactam grafts. In a second embodiment, polyimide oligomers end-capped with acyl-activated caprolactam rings permit the formation of block caprolactam copolymers that include polyimide reinforcing segments. The polyimide
ylon 6 copolymers have properties superior to those of nylon 6 and can also serve as compatibilizing agents.

REFERENCES:
patent: 5068292 (1991-11-01), Lenke et al.
Barton et al., Comprehensive Organic Chemistry, vol. 2, pp. 1016-1019 (1979).
"Polymer Composites of Rigid and Flexible Molecules: System of Wholly Aromatic and Aliphatic Polyamides", J. Macromol. Sci.-Phys., Motowo Takayanagi, Takayuki Ogata, B17(4), 591-615 May, 1980.
"Molecular Composites via In Situ Polymerization: Poly(Phenylene Terephthalamide)-Nylon 3", Journal of Applied Polymer Science, D. Roger Moore and Lon J. Mathias, vol. 32, 6299-6315 Dec., 1986.
"In-Situ Molecular Composites", 37th International SAMPE Symposium, D. R. Wiff and G. M. Lenke, Mar. 9-12, 1992 (pp. 991-1002).
"Graft Copolymers of Rigid-Rod Polymers as Single-Component Molecular Composites", M. Dotrong, M. H. Dotrong, and R. C. Evers, Apr., 1992, pp. 477-478.
"Principles of Polymerization", Second Edition, George Odian, John Wiley & Sons, pp. 152-155 (1981).

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