Biocidal polymer and process for preparing the same

Details Biocidal polymer and process for preparing the same Biocidal polymer and process for preparing the same

2009-06-15

2011-10-11

Boykin, Terressa (Department: 1765)

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

Synthetic resins

From carboxylic acid or derivative thereof

C264S176100, C264S219000, C424S078310, C428S411100, C428S412000, C528S176000, C528S272000

Reexamination Certificate

active

08034892

ABSTRACT:
A biocidal polymer including at least one repeating unit of formula (A):wherein:R1in each occurrence independently represents a divalent aromatic group containing 6 to 30 carbon atoms, a C2-C16alkylene group or an alkylene biscyclohexyl;Y in each occurrence independently represents an oxygen atom or a sulfur atom; andZ1, Z2, Z3and Z4in each occurrence independently represent a hydrogen atom or a halogen atom;wherein at least one of Z1, Z2, Z3and Z4in the at least one repeating unit of formula (A) is a halogen atom.

REFERENCES:
patent: 5490983 (1996-02-01), Worley et al.
Koutinas, A. A. et al., “N-Chlorination of Nylon Fabric and Polyurea-6,” Journal of Polymer science: Polymer Chemistry Edition, vol. 21, pp. 335-340, (1983).
Sun, Y. et al., “Novel Refreshable N-Halamine Polymeric Biocides: N-Chlorination of Aromatic Polyamides,”Ind. Eng. Chem. Res., vol. 43, pp. 5015-5020, (2004).
Akdag, A. et al., “Why Does Kevlar Decompose, While Nomex Does Not, When Treated with Aqueous Chlorine Solutions?”, J. Phys. Chem. B, vol. 111, pp. 5581-5586, (2007).

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