UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT PURSUANT
TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): August 5, 2009

POLYPORE INTERNATIONAL, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware
(State or Other Jurisdiction of Incorporation)

1-32266	43-2049334
(Commission File Number)	(IRS Employer Identification No.)

11430 North Community House Road, Suite 350, Charlotte, North Carolina	28277
(Address of Principal Executive Offices)	(Zip Code)

(704) 587-8409
(Registrant’s Telephone Number, Including Area Code)

Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01.      Other Events.

On August 5, 2009, Polypore International, Inc. issued a press release announcing the U.S. Department of Energy’s (DOE) approval of grant funding to its Celgard, LLC business unit under the DOE’s Electric Drive Vehicle Battery and Component Manufacturing Initiative (DE-FOA0000026). A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01.      Financial Statements and Exhibits.

(d)      Exhibits.

Exhibit No.	Description
99.1	Press Release of Polypore International, Inc. dated August 5, 2009.

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SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	POLYPORE INTERNATIONAL, INC. (Registrant)
Date: August 5, 2009	By:	/s/ Lynn Amos
		Lynn Amos Chief Financial Officer